diff --git a/.appveyor.yml b/.appveyor.yml new file mode 100644 index 00000000000..d525e4cfc07 --- /dev/null +++ b/.appveyor.yml @@ -0,0 +1,95 @@ +version: '{build}' +clone_folder: c:\pillow +init: +- ECHO %PYTHON% +#- ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) +# Uncomment previous line to get RDP access during the build. + +environment: + EXECUTABLE: python.exe + TEST_OPTIONS: + DEPLOY: YES + matrix: + - PYTHON: C:/Python310 + ARCHITECTURE: x86 + APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019 + - PYTHON: C:/Python37-x64 + ARCHITECTURE: x64 + APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017 + + +install: +- '%PYTHON%\%EXECUTABLE% --version' +- curl -fsSL -o pillow-depends.zip https://github.com/python-pillow/pillow-depends/archive/main.zip +- 7z x pillow-depends.zip -oc:\ +- mv c:\pillow-depends-main c:\pillow-depends +- xcopy /S /Y c:\pillow-depends\test_images\* c:\pillow\tests\images +- 7z x ..\pillow-depends\nasm-2.15.05-win64.zip -oc:\ +- ..\pillow-depends\gs9550w32.exe /S +- path c:\nasm-2.15.05;C:\Program Files (x86)\gs\gs9.55.0\bin;%PATH% +- cd c:\pillow\winbuild\ +- ps: | + c:\python37\python.exe c:\pillow\winbuild\build_prepare.py -v --depends=C:\pillow-depends\ + c:\pillow\winbuild\build\build_dep_all.cmd + $host.SetShouldExit(0) +- path C:\pillow\winbuild\build\bin;%PATH% + +build_script: +- ps: | + c:\pillow\winbuild\build\build_pillow.cmd install + $host.SetShouldExit(0) +- cd c:\pillow +- '%PYTHON%\%EXECUTABLE% selftest.py --installed' + +test_script: +- cd c:\pillow +- '%PYTHON%\%EXECUTABLE% -m pip install pytest pytest-cov' +- c:\"Program Files (x86)"\"Windows Kits"\10\Debuggers\x86\gflags.exe /p /enable %PYTHON%\%EXECUTABLE% +- '%PYTHON%\%EXECUTABLE% -c "from PIL import Image"' +- '%PYTHON%\%EXECUTABLE% -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests' +#- '%PYTHON%\%EXECUTABLE% test-installed.py -v -s %TEST_OPTIONS%' TODO TEST_OPTIONS with pytest? + +after_test: +- python -m pip install codecov +- codecov --file coverage.xml --name %PYTHON% --flags AppVeyor + +matrix: + fast_finish: true + +cache: +- '%LOCALAPPDATA%\pip\Cache' + +artifacts: +- path: pillow\dist\*.egg + name: egg +- path: pillow\dist\*.wheel + name: wheel + +before_deploy: + - cd c:\pillow + - '%PYTHON%\%EXECUTABLE% -m pip install wheel' + - cd c:\pillow\winbuild\ + - c:\pillow\winbuild\build\build_pillow.cmd bdist_wheel + - cd c:\pillow + - ps: Get-ChildItem .\dist\*.* | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name } + +deploy: + provider: S3 + region: us-west-2 + access_key_id: AKIAIRAXC62ZNTVQJMOQ + secret_access_key: + secure: Hwb6klTqtBeMgxAjRoDltiiqpuH8xbwD4UooDzBSiCWXjuFj1lyl4kHgHwTCCGqi + bucket: pillow-nightly + folder: win/$(APPVEYOR_BUILD_NUMBER)/ + artifact: /.*egg|wheel/ + on: + APPVEYOR_REPO_NAME: python-pillow/Pillow + branch: main + deploy: YES + + +# Uncomment the following lines to get RDP access after the build/test and block for +# up to the timeout limit (~1hr) +# +#on_finish: +#- ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) diff --git a/.ci/after_success.sh b/.ci/after_success.sh new file mode 100755 index 00000000000..ff91b481eca --- /dev/null +++ b/.ci/after_success.sh @@ -0,0 +1,9 @@ +#!/bin/bash + +# gather the coverage data +pip3 install codecov +if [[ $MATRIX_DOCKER ]]; then + coverage xml --ignore-errors +else + coverage xml +fi diff --git a/.ci/build.sh b/.ci/build.sh new file mode 100755 index 00000000000..a2e3041bd27 --- /dev/null +++ b/.ci/build.sh @@ -0,0 +1,10 @@ +#!/bin/bash + +set -e + +coverage erase +if [ $(uname) == "Darwin" ]; then + export CPPFLAGS="-I/usr/local/miniconda/include"; +fi +make clean +make install-coverage diff --git a/.ci/install.sh b/.ci/install.sh new file mode 100755 index 00000000000..c48acf9eece --- /dev/null +++ b/.ci/install.sh @@ -0,0 +1,55 @@ +#!/bin/bash + +aptget_update() +{ + if [ ! -z $1 ]; then + echo "" + echo "Retrying apt-get update..." + echo "" + fi + output=`sudo apt-get update 2>&1` + echo "$output" + if [[ $output == *[WE]:\ * ]]; then + return 1 + fi +} +aptget_update || aptget_update retry || aptget_update retry + +set -e + +sudo apt-get -qq install libfreetype6-dev liblcms2-dev python3-tk\ + ghostscript libffi-dev libjpeg-turbo-progs libopenjp2-7-dev\ + cmake imagemagick libharfbuzz-dev libfribidi-dev + +python3 -m pip install --upgrade pip +python3 -m pip install --upgrade wheel +PYTHONOPTIMIZE=0 python3 -m pip install cffi +python3 -m pip install coverage +python3 -m pip install defusedxml +python3 -m pip install olefile +python3 -m pip install -U pytest +python3 -m pip install -U pytest-cov +python3 -m pip install -U pytest-timeout +python3 -m pip install pyroma +python3 -m pip install test-image-results +python3 -m pip install numpy + +# PyQt5 doesn't support PyPy3 +if [[ $GHA_PYTHON_VERSION == 3.* ]]; then + # arm64, ppc64le, s390x CPUs: + # "ERROR: Could not find a version that satisfies the requirement pyqt5" + sudo apt-get -qq install libxcb-xinerama0 pyqt5-dev-tools + python3 -m pip install pyqt5 +fi + +# webp +pushd depends && ./install_webp.sh && popd + +# libimagequant +pushd depends && ./install_imagequant.sh && popd + +# raqm +pushd depends && ./install_raqm.sh && popd + +# extra test images +pushd depends && ./install_extra_test_images.sh && popd diff --git a/.ci/test.sh b/.ci/test.sh new file mode 100755 index 00000000000..8ff7c5f6483 --- /dev/null +++ b/.ci/test.sh @@ -0,0 +1,7 @@ +#!/bin/bash + +set -e + +python3 -c "from PIL import Image" + +python3 -bb -m pytest -v -x -W always --cov PIL --cov Tests --cov-report term Tests $REVERSE diff --git a/.clang-format b/.clang-format new file mode 100644 index 00000000000..be32e6d1a8a --- /dev/null +++ b/.clang-format @@ -0,0 +1,20 @@ +# A clang-format style that approximates Python's PEP 7 +# Useful for IDE integration +BasedOnStyle: Google +AlwaysBreakAfterReturnType: All +AllowShortIfStatementsOnASingleLine: false +AlignAfterOpenBracket: AlwaysBreak +BinPackArguments: false +BinPackParameters: false +BreakBeforeBraces: Attach +ColumnLimit: 88 +DerivePointerAlignment: false +IndentWidth: 4 +Language: Cpp +PointerAlignment: Right +ReflowComments: true +SortIncludes: false +SpaceBeforeParens: ControlStatements +SpacesInParentheses: false +TabWidth: 4 +UseTab: Never diff --git a/.coveragerc b/.coveragerc index ea79190ae0e..f71b6b1a281 100644 --- a/.coveragerc +++ b/.coveragerc @@ -10,5 +10,11 @@ exclude_lines = if 0: if __name__ == .__main__.: # Don't complain about debug code - if Image.DEBUG: if DEBUG: + +[run] +omit = + Tests/32bit_segfault_check.py + Tests/bench_cffi_access.py + Tests/check_*.py + Tests/createfontdatachunk.py diff --git a/.gitattributes b/.gitattributes index 983b58729d1..2cf25ab1ac8 100644 --- a/.gitattributes +++ b/.gitattributes @@ -1,2 +1,3 @@ +*.eps binary *.ppm binary *.container binary diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md index 5e467c4b138..bc958774497 100644 --- a/.github/CONTRIBUTING.md +++ b/.github/CONTRIBUTING.md @@ -4,24 +4,27 @@ Bug fixes, feature additions, tests, documentation and more can be contributed v ## Bug fixes, feature additions, etc. -Please send a pull request to the master branch. Please include [documentation](https://pillow.readthedocs.io) and [tests](../Tests/README.rst) for new features. Tests or documentation without bug fixes or feature additions are welcome too. Feel free to ask questions [via issues](https://github.com/python-pillow/Pillow/issues/new) or irc://irc.freenode.net#pil +Please send a pull request to the `main` branch. Please include [documentation](https://pillow.readthedocs.io) and [tests](../Tests/README.rst) for new features. Tests or documentation without bug fixes or feature additions are welcome too. Feel free to ask questions [via issues](https://github.com/python-pillow/Pillow/issues/new), [Gitter](https://gitter.im/python-pillow/Pillow) or irc://irc.freenode.net#pil - Fork the Pillow repository. -- Create a branch from master. +- Create a branch from `main`. - Develop bug fixes, features, tests, etc. -- Run the test suite on both Python 2.x and 3.x. You can enable [Travis CI](https://travis-ci.org/profile/) and [AppVeyor](https://ci.appveyor.com/projects/new) on your repo to catch test failures prior to the pull request, and [Coveralls](https://coveralls.io/repos/new) to see if the changed code is covered by tests. -- Create a pull request to pull the changes from your branch to the Pillow master. +- Run the test suite. You can enable GitHub Actions (https://github.com/MY-USERNAME/Pillow/actions) and [AppVeyor](https://ci.appveyor.com/projects/new) on your repo to catch test failures prior to the pull request, and [Codecov](https://codecov.io/gh) to see if the changed code is covered by tests. +- Create a pull request to pull the changes from your branch to the Pillow `main`. ### Guidelines - Separate code commits from reformatting commits. - Provide tests for any newly added code. -- Follow PEP8. -- When committing only documentation changes please include [ci skip] in the commit message to avoid running tests on Travis-CI and AppVeyor. +- Follow PEP 8. +- When committing only documentation changes please include `[ci skip]` in the commit message to avoid running tests on AppVeyor. +- Include [release notes](https://github.com/python-pillow/Pillow/tree/main/docs/releasenotes) as needed or appropriate with your bug fixes, feature additions and tests. ## Reporting Issues -When reporting issues, please include code that reproduces the issue and whenever possible, an image that demonstrates the issue. The best reproductions are self-contained scripts with minimal dependencies. +When reporting issues, please include code that reproduces the issue and whenever possible, an image that demonstrates the issue. Please upload images to GitHub, not to third-party file hosting sites. If necessary, add the image to a zip or tar archive. + +The best reproductions are self-contained scripts with minimal dependencies. If you are using a framework such as plone, Django, or buildout, try to replicate the issue just using Pillow. ### Provide details @@ -32,6 +35,4 @@ When reporting issues, please include code that reproduces the issue and wheneve ## Security vulnerabilities -To report sensitive vulnerability information, email security@python-pillow.org. - -If your organisation/employer is a distributor of Pillow and would like advance notification of security-related bugs, please let us know your preferred contact method. +Please see our [security policy](https://github.com/python-pillow/Pillow/blob/main/.github/SECURITY.md). diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml new file mode 100644 index 00000000000..e0e6804bfe4 --- /dev/null +++ b/.github/FUNDING.yml @@ -0,0 +1 @@ +tidelift: "pypi/Pillow" diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md deleted file mode 100644 index 6c91b6427da..00000000000 --- a/.github/ISSUE_TEMPLATE.md +++ /dev/null @@ -1,15 +0,0 @@ -### What did you do? - -### What did you expect to happen? - -### What actually happened? - -### What versions of Pillow and Python are you using? - -Please include **code** that reproduces the issue and whenever possible, an **image** that demonstrates the issue. Please upload images to GitHub, not to third-party file hosting sites. If necessary, add the image to a zip or tar archive. - -The best reproductions are self-contained scripts with minimal dependencies. If you are using a framework such as plone, Django, or buildout, try to replicate the issue just using Pillow. - -```python -code goes here -``` diff --git a/.github/ISSUE_TEMPLATE/ISSUE_REPORT.md b/.github/ISSUE_TEMPLATE/ISSUE_REPORT.md new file mode 100644 index 00000000000..115f6135dfb --- /dev/null +++ b/.github/ISSUE_TEMPLATE/ISSUE_REPORT.md @@ -0,0 +1,59 @@ +--- +name: Issue report +about: Create a report to help us improve Pillow +--- + + + +### What did you do? + +### What did you expect to happen? + +### What actually happened? + +### What are your OS, Python and Pillow versions? + +* OS: +* Python: +* Pillow: + + + +```python +code goes here +``` diff --git a/.github/SECURITY.md b/.github/SECURITY.md new file mode 100644 index 00000000000..c6369fdef21 --- /dev/null +++ b/.github/SECURITY.md @@ -0,0 +1,5 @@ +# Security policy + +To report sensitive vulnerability information, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure. + +If your organisation/employer is a distributor of Pillow and would like advance notification of security-related bugs, please let us know your preferred contact method. diff --git a/.github/mergify.yml b/.github/mergify.yml new file mode 100644 index 00000000000..8b289bda671 --- /dev/null +++ b/.github/mergify.yml @@ -0,0 +1,14 @@ +pull_request_rules: + - name: Automatic merge + conditions: + - "#approved-reviews-by>=1" + - label=automerge + - status-success=Lint + - status-success=Test Successful + - status-success=Docker Test Successful + - status-success=Windows Test Successful + - status-success=MinGW Test Successful + - status-success=continuous-integration/appveyor/pr + actions: + merge: + method: merge diff --git a/.github/release-drafter.yml b/.github/release-drafter.yml new file mode 100644 index 00000000000..4d855469a12 --- /dev/null +++ b/.github/release-drafter.yml @@ -0,0 +1,26 @@ +name-template: "$NEXT_MINOR_VERSION" +tag-template: "$NEXT_MINOR_VERSION" +change-template: '- $TITLE #$NUMBER [@$AUTHOR]' + +categories: + - title: "Dependencies" + label: "Dependency" + - title: "Deprecations" + label: "Deprecation" + - title: "Documentation" + label: "Documentation" + - title: "Removals" + label: "Removal" + - title: "Testing" + label: "Testing" + +exclude-labels: + - "changelog: skip" + +template: | + + https://pillow.readthedocs.io/en/stable/releasenotes/$NEXT_MINOR_VERSION.html + + ## Changes + + $CHANGES diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml new file mode 100644 index 00000000000..7e2fbf28f88 --- /dev/null +++ b/.github/workflows/cifuzz.yml @@ -0,0 +1,49 @@ +name: CIFuzz + +on: + push: + paths: + - "**.c" + - "**.h" + pull_request: + paths: + - "**.c" + - "**.h" + workflow_dispatch: + +jobs: + Fuzzing: + runs-on: ubuntu-latest + steps: + - name: Build Fuzzers + id: build + uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master + with: + oss-fuzz-project-name: 'pillow' + language: python + dry-run: false + - name: Run Fuzzers + id: run + uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master + with: + oss-fuzz-project-name: 'pillow' + fuzz-seconds: 600 + language: python + dry-run: false + - name: Upload New Crash + uses: actions/upload-artifact@v2 + if: failure() && steps.build.outcome == 'success' + with: + name: artifacts + path: ./out/artifacts + - name: Upload Legacy Crash + uses: actions/upload-artifact@v2 + if: steps.run.outcome == 'success' + with: + name: crash + path: ./out/crash* + - name: Fail on legacy crash + if: success() + run: | + [ ! -e out/crash-* ] + echo No legacy crash detected diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml new file mode 100644 index 00000000000..533ce8cbd53 --- /dev/null +++ b/.github/workflows/lint.yml @@ -0,0 +1,41 @@ +name: Lint + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + + runs-on: ubuntu-latest + + name: Lint + + steps: + - uses: actions/checkout@v2 + + - name: pre-commit cache + uses: actions/cache@v2 + with: + path: ~/.cache/pre-commit + key: lint-pre-commit-${{ hashFiles('**/.pre-commit-config.yaml') }} + restore-keys: | + lint-pre-commit- + + - name: Set up Python + uses: actions/setup-python@v2 + with: + python-version: "3.10" + cache: pip + cache-dependency-path: "setup.py" + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Install dependencies + run: | + python3 -m pip install -U pip + python3 -m pip install -U tox + + - name: Lint + run: tox -e lint + env: + PRE_COMMIT_COLOR: always diff --git a/.github/workflows/macos-install.sh b/.github/workflows/macos-install.sh new file mode 100755 index 00000000000..8260cf8d8d3 --- /dev/null +++ b/.github/workflows/macos-install.sh @@ -0,0 +1,21 @@ +#!/bin/bash + +set -e + +brew install libtiff libjpeg openjpeg libimagequant webp little-cms2 freetype openblas libraqm + +PYTHONOPTIMIZE=0 python3 -m pip install cffi +python3 -m pip install coverage +python3 -m pip install defusedxml +python3 -m pip install olefile +python3 -m pip install -U pytest +python3 -m pip install -U pytest-cov +python3 -m pip install -U pytest-timeout +python3 -m pip install pyroma +python3 -m pip install test-image-results + +echo -e "[openblas]\nlibraries = openblas\nlibrary_dirs = /usr/local/opt/openblas/lib" >> ~/.numpy-site.cfg +python3 -m pip install numpy + +# extra test images +pushd depends && ./install_extra_test_images.sh && popd diff --git a/.github/workflows/release-drafter.yml b/.github/workflows/release-drafter.yml new file mode 100644 index 00000000000..ad66117b187 --- /dev/null +++ b/.github/workflows/release-drafter.yml @@ -0,0 +1,18 @@ +name: Release drafter + +on: + push: + # branches to consider in the event; optional, defaults to all + branches: + - main + workflow_dispatch: + +jobs: + update_release_draft: + if: github.repository == 'python-pillow/Pillow' + runs-on: ubuntu-latest + steps: + # Drafts your next release notes as pull requests are merged into "main" + - uses: release-drafter/release-drafter@v5 + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/system-info.py b/.github/workflows/system-info.py new file mode 100644 index 00000000000..8e840319a7d --- /dev/null +++ b/.github/workflows/system-info.py @@ -0,0 +1,25 @@ +""" +Print out some handy system info like Travis CI does. + +This sort of info is missing from GitHub Actions. + +Requested here: +https://github.com/actions/virtual-environments/issues/79 +""" +import os +import platform +import sys + +print("Build system information") +print() + +print("sys.version\t\t", sys.version.split("\n")) +print("os.name\t\t\t", os.name) +print("sys.platform\t\t", sys.platform) +print("platform.system()\t", platform.system()) +print("platform.machine()\t", platform.machine()) +print("platform.platform()\t", platform.platform()) +print("platform.version()\t", platform.version()) +print("platform.uname()\t", platform.uname()) +if sys.platform == "darwin": + print("platform.mac_ver()\t", platform.mac_ver()) diff --git a/.github/workflows/test-docker.yml b/.github/workflows/test-docker.yml new file mode 100644 index 00000000000..57396fddcce --- /dev/null +++ b/.github/workflows/test-docker.yml @@ -0,0 +1,87 @@ +name: Test Docker + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + + runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + docker: [ + # Run slower jobs first to give them a headstart and reduce waiting time + ubuntu-20.04-focal-arm64v8, + ubuntu-20.04-focal-ppc64le, + ubuntu-20.04-focal-s390x, + # Then run the remainder + alpine, + amazon-2-amd64, + arch, + centos-7-amd64, + centos-8-amd64, + centos-stream-8-amd64, + debian-10-buster-x86, + fedora-34-amd64, + fedora-35-amd64, + ubuntu-18.04-bionic-amd64, + ubuntu-20.04-focal-amd64, + ] + dockerTag: [main] + include: + - docker: "ubuntu-20.04-focal-arm64v8" + qemu-arch: "aarch64" + - docker: "ubuntu-20.04-focal-ppc64le" + qemu-arch: "ppc64le" + - docker: "ubuntu-20.04-focal-s390x" + qemu-arch: "s390x" + + name: ${{ matrix.docker }} + + steps: + - uses: actions/checkout@v2 + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Set up QEMU + if: "matrix.qemu-arch" + run: | + docker run --rm --privileged aptman/qus -s -- -p ${{ matrix.qemu-arch }} + + - name: Docker pull + run: | + docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + + - name: Docker build + run: | + # The Pillow user in the docker container is UID 1000 + sudo chown -R 1000 $GITHUB_WORKSPACE + docker run --name pillow_container -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + sudo chown -R runner $GITHUB_WORKSPACE + + - name: After success + run: | + PATH="$PATH:~/.local/bin" + docker start pillow_container + pil_path=`docker exec pillow_container /vpy3/bin/python -c 'import os, PIL;print(os.path.realpath(os.path.dirname(PIL.__file__)))'` + docker stop pillow_container + sudo mkdir -p $pil_path + sudo cp src/PIL/*.py $pil_path + .ci/after_success.sh + env: + MATRIX_DOCKER: ${{ matrix.docker }} + + - name: Upload coverage + uses: codecov/codecov-action@v1 + with: + flags: GHA_Docker + name: ${{ matrix.docker }} + + success: + needs: build + runs-on: ubuntu-latest + name: Docker Test Successful + steps: + - name: Success + run: echo Docker Test Successful diff --git a/.github/workflows/test-mingw.yml b/.github/workflows/test-mingw.yml new file mode 100644 index 00000000000..d94c7d53751 --- /dev/null +++ b/.github/workflows/test-mingw.yml @@ -0,0 +1,84 @@ +name: Test MinGW + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + runs-on: windows-2019 + strategy: + fail-fast: false + matrix: + mingw: ["MINGW32", "MINGW64"] + include: + - mingw: "MINGW32" + name: "MSYS2 MinGW 32-bit" + package: "mingw-w64-i686" + - mingw: "MINGW64" + name: "MSYS2 MinGW 64-bit" + package: "mingw-w64-x86_64" + + defaults: + run: + shell: bash.exe --login -eo pipefail "{0}" + env: + MSYSTEM: ${{ matrix.mingw }} + CHERE_INVOKING: 1 + + timeout-minutes: 30 + name: ${{ matrix.name }} + + steps: + - name: Checkout Pillow + uses: actions/checkout@v2 + + - name: Set up shell + run: echo "C:\msys64\usr\bin\" >> $env:GITHUB_PATH + shell: pwsh + + - name: Install dependencies + run: | + pacman -S --noconfirm \ + ${{ matrix.package }}-python3-cffi \ + ${{ matrix.package }}-python3-numpy \ + ${{ matrix.package }}-python3-olefile \ + ${{ matrix.package }}-python3-pip \ + ${{ matrix.package }}-python-pyqt6 \ + ${{ matrix.package }}-python3-setuptools \ + ${{ matrix.package }}-freetype \ + ${{ matrix.package }}-ghostscript \ + ${{ matrix.package }}-lcms2 \ + ${{ matrix.package }}-libimagequant \ + ${{ matrix.package }}-libjpeg-turbo \ + ${{ matrix.package }}-libraqm \ + ${{ matrix.package }}-libtiff \ + ${{ matrix.package }}-libwebp \ + ${{ matrix.package }}-openjpeg2 \ + subversion + + python3 -m pip install pyroma pytest pytest-cov pytest-timeout + + pushd depends && ./install_extra_test_images.sh && popd + + - name: Build Pillow + run: CFLAGS="-coverage" python3 -m pip install --global-option="build_ext" . + + - name: Test Pillow + run: | + python3 selftest.py --installed + python3 -c "from PIL import Image" + python3 -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests + + - name: Upload coverage + run: | + python3 -m pip install codecov + bash <(curl -s https://codecov.io/bash) -F GHA_Windows + env: + CODECOV_NAME: ${{ matrix.name }} + + success: + needs: build + runs-on: ubuntu-latest + name: MinGW Test Successful + steps: + - name: Success + run: echo MinGW Test Successful diff --git a/.github/workflows/test-valgrind.yml b/.github/workflows/test-valgrind.yml new file mode 100644 index 00000000000..4a8966ca8b3 --- /dev/null +++ b/.github/workflows/test-valgrind.yml @@ -0,0 +1,45 @@ +name: Test Valgrind + +# like the docker tests, but running valgrind only on *.c/*.h changes. + +on: + push: + paths: + - "**.c" + - "**.h" + pull_request: + paths: + - "**.c" + - "**.h" + workflow_dispatch: + +jobs: + build: + + runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + docker: [ + ubuntu-20.04-focal-amd64-valgrind, + ] + dockerTag: [main] + + name: ${{ matrix.docker }} + + steps: + - uses: actions/checkout@v2 + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Docker pull + run: | + docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + + - name: Build and Run Valgrind + run: | + # The Pillow user in the docker container is UID 1000 + sudo chown -R 1000 $GITHUB_WORKSPACE + docker run --name pillow_container -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} + sudo chown -R runner $GITHUB_WORKSPACE diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml new file mode 100644 index 00000000000..c768838eb06 --- /dev/null +++ b/.github/workflows/test-windows.yml @@ -0,0 +1,196 @@ +name: Test Windows + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + runs-on: windows-2019 + strategy: + fail-fast: false + matrix: + python-version: ["3.7", "3.8", "3.9", "3.10"] + architecture: ["x86", "x64"] + include: + # PyPy 7.3.4+ only ships 64-bit binaries for Windows + - python-version: "pypy-3.7" + architecture: "x64" + - python-version: "pypy-3.8" + architecture: "x64" + + timeout-minutes: 30 + + name: Python ${{ matrix.python-version }} ${{ matrix.architecture }} + + steps: + - name: Checkout Pillow + uses: actions/checkout@v2 + + - name: Checkout cached dependencies + uses: actions/checkout@v2 + with: + repository: python-pillow/pillow-depends + path: winbuild\depends + + # sets env: pythonLocation + - name: Set up Python + uses: actions/setup-python@v2 + with: + python-version: ${{ matrix.python-version }} + architecture: ${{ matrix.architecture }} + cache: pip + cache-dependency-path: ".github/workflows/test-windows.yml" + + - name: Print build system information + run: python .github/workflows/system-info.py + + - name: python -m pip install wheel pytest pytest-cov pytest-timeout defusedxml + run: python -m pip install wheel pytest pytest-cov pytest-timeout defusedxml + + - name: Install dependencies + id: install + run: | + 7z x winbuild\depends\nasm-2.15.05-win64.zip "-o$env:RUNNER_WORKSPACE\" + echo "$env:RUNNER_WORKSPACE\nasm-2.15.05" >> $env:GITHUB_PATH + + winbuild\depends\gs9550w32.exe /S + echo "C:\Program Files (x86)\gs\gs9.55.0\bin" >> $env:GITHUB_PATH + + xcopy /S /Y winbuild\depends\test_images\* Tests\images\ + + # make cache key depend on VS version + & "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe" | find """catalog_buildVersion""" | ForEach-Object { $a = $_.split(" ")[1]; echo "::set-output name=vs::$a" } + shell: pwsh + + - name: Cache build + id: build-cache + uses: actions/cache@v2 + with: + path: winbuild\build + key: + ${{ hashFiles('winbuild\build_prepare.py') }}-${{ hashFiles('.github\workflows\test-windows.yml') }}-${{ env.pythonLocation }}-${{ steps.install.outputs.vs }} + + - name: Prepare build + if: steps.build-cache.outputs.cache-hit != 'true' + run: | + & python.exe winbuild\build_prepare.py -v --python=$env:pythonLocation --srcdir + shell: pwsh + + - name: Build dependencies / libjpeg-turbo + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libjpeg.cmd" + + - name: Build dependencies / zlib + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_zlib.cmd" + + - name: Build dependencies / LibTiff + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libtiff.cmd" + + - name: Build dependencies / WebP + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libwebp.cmd" + + # for FreeType CBDT/SBIX font support + - name: Build dependencies / libpng + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libpng.cmd" + + - name: Build dependencies / FreeType + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_freetype.cmd" + + - name: Build dependencies / LCMS2 + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_lcms2.cmd" + + - name: Build dependencies / OpenJPEG + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_openjpeg.cmd" + + # GPL licensed + - name: Build dependencies / libimagequant + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_libimagequant.cmd" + + # Raqm dependencies + - name: Build dependencies / HarfBuzz + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_harfbuzz.cmd" + + # Raqm dependencies + - name: Build dependencies / FriBidi + if: steps.build-cache.outputs.cache-hit != 'true' + run: "& winbuild\\build\\build_dep_fribidi.cmd" + + # trim ~150MB x 9 + - name: Optimize build cache + if: steps.build-cache.outputs.cache-hit != 'true' + run: rmdir /S /Q winbuild\build\src + shell: cmd + + - name: Build Pillow + run: | + $FLAGS="" + if ('${{ github.event_name }}' -ne 'pull_request') { $FLAGS="--disable-imagequant" } + & winbuild\build\build_pillow.cmd $FLAGS install + & $env:pythonLocation\python.exe selftest.py --installed + shell: pwsh + + # failing with PyPy3 + - name: Enable heap verification + if: "!contains(matrix.python-version, 'pypy')" + run: "& 'C:\\Program Files (x86)\\Windows Kits\\10\\Debuggers\\x86\\gflags.exe' /p /enable $env:pythonLocation\\python.exe" + + - name: Test Pillow + run: | + path %GITHUB_WORKSPACE%\\winbuild\\build\\bin;%PATH% + python.exe -m pytest -vx -W always --cov PIL --cov Tests --cov-report term --cov-report xml Tests + shell: cmd + + - name: Prepare to upload errors + if: failure() + run: | + mkdir -p Tests/errors + shell: bash + + - name: Upload errors + uses: actions/upload-artifact@v2 + if: failure() + with: + name: errors + path: Tests/errors + + - name: After success + run: | + .ci/after_success.sh + shell: pwsh + + - name: Upload coverage + uses: codecov/codecov-action@v1 + with: + file: ./coverage.xml + flags: GHA_Windows + name: ${{ runner.os }} Python ${{ matrix.python-version }} ${{ matrix.architecture }} + + - name: Build wheel + id: wheel + if: "github.event_name != 'pull_request'" + run: | + for /f "tokens=3 delims=/" %%a in ("${{ github.ref }}") do echo ::set-output name=dist::dist-%%a + winbuild\\build\\build_pillow.cmd --disable-imagequant bdist_wheel + shell: cmd + + - uses: actions/upload-artifact@v2 + if: "github.event_name != 'pull_request'" + with: + name: ${{ steps.wheel.outputs.dist }} + path: dist\*.whl + + success: + needs: build + runs-on: ubuntu-latest + name: Windows Test Successful + steps: + - name: Success + run: echo Windows Test Successful diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml new file mode 100644 index 00000000000..414c7e94edd --- /dev/null +++ b/.github/workflows/test.yml @@ -0,0 +1,114 @@ +name: Test + +on: [push, pull_request, workflow_dispatch] + +jobs: + build: + + strategy: + fail-fast: false + matrix: + os: [ + "macos-latest", + "ubuntu-latest", + ] + python-version: [ + "pypy-3.8", + "pypy-3.7", + "3.10", + "3.9", + "3.8", + "3.7", + ] + include: + - python-version: "3.7" + PYTHONOPTIMIZE: 1 + REVERSE: "--reverse" + - python-version: "3.8" + PYTHONOPTIMIZE: 2 + # Include new variables for Codecov + - os: ubuntu-latest + codecov-flag: GHA_Ubuntu + - os: macos-latest + codecov-flag: GHA_macOS + + runs-on: ${{ matrix.os }} + name: ${{ matrix.os }} Python ${{ matrix.python-version }} + + steps: + - uses: actions/checkout@v2 + + - name: Set up Python ${{ matrix.python-version }} + uses: actions/setup-python@v2 + with: + python-version: ${{ matrix.python-version }} + cache: pip + cache-dependency-path: ".ci/*.sh" + + - name: Build system information + run: python3 .github/workflows/system-info.py + + - name: Install Linux dependencies + if: startsWith(matrix.os, 'ubuntu') + run: | + .ci/install.sh + env: + GHA_PYTHON_VERSION: ${{ matrix.python-version }} + + - name: Install macOS dependencies + if: startsWith(matrix.os, 'macOS') + run: | + .github/workflows/macos-install.sh + + - name: Build + run: | + .ci/build.sh + + - name: Test + run: | + if [ $REVERSE ]; then + python3 -m pip install pytest-reverse + fi + if [ "${{ matrix.os }}" = "ubuntu-latest" ]; then + xvfb-run -s '-screen 0 1024x768x24' .ci/test.sh + else + .ci/test.sh + fi + env: + PYTHONOPTIMIZE: ${{ matrix.PYTHONOPTIMIZE }} + REVERSE: ${{ matrix.REVERSE }} + + - name: Prepare to upload errors + if: failure() + run: | + mkdir -p Tests/errors + + - name: Upload errors + uses: actions/upload-artifact@v2 + if: failure() + with: + name: errors + path: Tests/errors + + - name: Docs + if: startsWith(matrix.os, 'ubuntu') && matrix.python-version == 3.9 + run: | + python3 -m pip install sphinx-copybutton sphinx-issues sphinx-removed-in sphinx-rtd-theme sphinxext-opengraph + make doccheck + + - name: After success + run: | + .ci/after_success.sh + + - name: Upload coverage + run: bash <(curl -s https://codecov.io/bash) -F ${{ matrix.codecov-flag }} + env: + CODECOV_NAME: ${{ matrix.os }} Python ${{ matrix.python-version }} + + success: + needs: build + runs-on: ubuntu-latest + name: Test Successful + steps: + - name: Success + run: echo Test Successful diff --git a/.github/workflows/tidelift.yml b/.github/workflows/tidelift.yml new file mode 100644 index 00000000000..c2b8b3bdaa9 --- /dev/null +++ b/.github/workflows/tidelift.yml @@ -0,0 +1,26 @@ +name: Tidelift Align +on: + schedule: + - cron: "30 2 * * *" # daily at 02:30 UTC + push: + paths: + - ".github/workflows/tidelift.yml" + pull_request: + paths: + - ".github/workflows/tidelift.yml" + workflow_dispatch: + +jobs: + build: + if: github.repository_owner == 'python-pillow' + name: Run Tidelift to ensure approved open source packages are in use + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@v2 + - name: Scan + uses: tidelift/alignment-action@main + env: + TIDELIFT_API_KEY: ${{ secrets.TIDELIFT_API_KEY }} + TIDELIFT_ORGANIZATION: team/aclark4life + TIDELIFT_PROJECT: pillow diff --git a/.gitignore b/.gitignore index 242f50845a2..790404535f7 100644 --- a/.gitignore +++ b/.gitignore @@ -32,7 +32,7 @@ htmlcov/ .tox/ .coverage .cache -nosetests.xml +.pytest_cache coverage.xml # Test files @@ -56,6 +56,9 @@ test_images # Sphinx documentation docs/_build/ +# viewdoc output +.long-description.html + # Vim cruft .*.swp @@ -64,6 +67,9 @@ docs/_build/ \#*# .#* +#VS Code +.vscode + #Komodo *.komodoproject @@ -75,6 +81,14 @@ docs/_build/ # Extra test images installed from pillow-depends/test_images Tests/images/README.md +Tests/images/crash_1.tif +Tests/images/crash_2.tif +Tests/images/crash-81154a65438ba5aaeca73fd502fa4850fbde60f8.tif +Tests/images/string_dimension.tiff +Tests/images/jpeg2000 Tests/images/msp Tests/images/picins Tests/images/sunraster + +# pyinstaller +*.spec diff --git a/.landscape.yaml b/.landscape.yaml deleted file mode 100644 index ddd9cef3260..00000000000 --- a/.landscape.yaml +++ /dev/null @@ -1,3 +0,0 @@ -strictness: medium -test-warnings: yes -max-line-length: 80 diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml new file mode 100644 index 00000000000..5f1d16709c1 --- /dev/null +++ b/.pre-commit-config.yaml @@ -0,0 +1,46 @@ +repos: + - repo: https://github.com/psf/black + rev: 911470a610e47d9da5ea938b0887c3df62819b85 # frozen: 21.9b0 + hooks: + - id: black + args: ["--target-version", "py37"] + # Only .py files, until https://github.com/psf/black/issues/402 resolved + files: \.py$ + types: [] + + - repo: https://github.com/PyCQA/isort + rev: fd5ba70665a37ec301a1f714ed09336048b3be63 # frozen: 5.9.3 + hooks: + - id: isort + + - repo: https://github.com/asottile/yesqa + rev: 644ede78511c02fc6f8e03e014cc1ddcfbf1e1f5 # frozen: v1.2.3 + hooks: + - id: yesqa + + - repo: https://github.com/Lucas-C/pre-commit-hooks + rev: 3592548bbd98528887eeed63486cf6c9bae00b98 # frozen: v1.1.10 + hooks: + - id: remove-tabs + exclude: (Makefile$|\.bat$|\.cmake$|\.eps$|\.fits$|\.opt$) + + - repo: https://github.com/PyCQA/flake8 + rev: dcd740bc0ebaf2b3d43e59a0060d157c97de13f3 # frozen: 3.9.2 + hooks: + - id: flake8 + additional_dependencies: [flake8-2020, flake8-implicit-str-concat] + + - repo: https://github.com/pre-commit/pygrep-hooks + rev: 6f51a66bba59954917140ec2eeeaa4d5e630e6ce # frozen: v1.9.0 + hooks: + - id: python-check-blanket-noqa + - id: rst-backticks + + - repo: https://github.com/pre-commit/pre-commit-hooks + rev: 38b88246ccc552bffaaf54259d064beeee434539 # frozen: v4.0.1 + hooks: + - id: check-merge-conflict + - id: check-yaml + +ci: + autoupdate_schedule: quarterly diff --git a/.readthedocs.yml b/.readthedocs.yml new file mode 100644 index 00000000000..73e1f821366 --- /dev/null +++ b/.readthedocs.yml @@ -0,0 +1,2 @@ +python: + pip_install: true diff --git a/.travis.yml b/.travis.yml deleted file mode 100644 index 1b8d854bcee..00000000000 --- a/.travis.yml +++ /dev/null @@ -1,88 +0,0 @@ -language: python - -notifications: - irc: "chat.freenode.net#pil" - -# Run slow PyPy* first, to give them a headstart and reduce waiting time. -# Run latest 3.x and 2.x next, to get quick compatibility results. -# Then run the remainder, with fastest Docker jobs last. - -matrix: - fast_finish: true - include: - - python: "pypy" - - python: "pypy3" - - python: '3.6' - - python: '2.7' - - python: "2.7_with_system_site_packages" # For PyQt4 - - python: '3.5' - - python: '3.4' - - python: '3.7-dev' - - env: DOCKER="alpine" DOCKER_TAG="pytest" - - env: DOCKER="arch" DOCKER_TAG="pytest" # contains PyQt5 - - env: DOCKER="ubuntu-trusty-x86" DOCKER_TAG="pytest" - - env: DOCKER="ubuntu-xenial-amd64" DOCKER_TAG="pytest" - - env: DOCKER="debian-stretch-x86" DOCKER_TAG="pytest" - - env: DOCKER="centos-6-amd64" DOCKER_TAG="pytest" - - env: DOCKER="centos-7-amd64" DOCKER_TAG="pytest" - - env: DOCKER="amazon-1-amd64" DOCKER_TAG="pytest" - - env: DOCKER="amazon-2-amd64" DOCKER_TAG="pytest" - - env: DOCKER="fedora-26-amd64" DOCKER_TAG="pytest" - - env: DOCKER="fedora-27-amd64" DOCKER_TAG="pytest" - -dist: trusty - -sudo: required - -services: - - docker - -install: - - if [ "$DOCKER" == "" ]; then .travis/install.sh; fi - -before_install: - - if [ "$DOCKER" ]; then docker pull pythonpillow/$DOCKER:$DOCKER_TAG; fi - -before_script: -# Qt needs a display for some of the tests, and it's only run on the system site packages install - - "export DISPLAY=:99.0" - - "sh -e /etc/init.d/xvfb start" - -script: - - | - if [ "$DOCKER" == "" ]; then - .travis/script.sh - else - # the Pillow user in the docker container is UID 1000 - sudo chown -R 1000 $TRAVIS_BUILD_DIR - docker run -v $TRAVIS_BUILD_DIR:/Pillow pythonpillow/$DOCKER:$DOCKER_TAG - fi - -after_success: - - .travis/after_success.sh - -after_failure: - - | - if [ "$TRAVIS_REPO_SLUG" = "python-pillow/Pillow" ] && [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then - curl -Lo travis_after_all.py https://raw.github.com/dmakhno/travis_after_all/master/travis_after_all.py - python travis_after_all.py - export $(cat .to_export_back) - if [ "$BUILD_LEADER" = "YES" ]; then - if [ "$BUILD_AGGREGATE_STATUS" = "others_failed" ]; then - echo "All jobs failed" - else - echo "Some jobs failed" - fi - fi - fi - -after_script: - - | - if [ "$TRAVIS_REPO_SLUG" = "python-pillow/Pillow" ] && [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then - echo leader=$BUILD_LEADER status=$BUILD_AGGREGATE_STATUS - fi - -env: - global: - # travis encrypt AUTH_TOKEN= - secure: "Vzm7aG1Qv0SDQcqiPzZMedNLn5ZmpL7IzF0DYnqcD+/l+zmKU22SnJBcX0uVXumo+r7eZfpsShpqfcdsZvMlvmQnwz+Y6AGKQru9tCKZbTMnuRjWKKXekC+tr8Xt9CKvRVtte5PyXW31paxUI3/e+fQGBwoFjEEC+6EpEOjeRfE=" diff --git a/.travis/after_success.sh b/.travis/after_success.sh deleted file mode 100755 index a18c095c959..00000000000 --- a/.travis/after_success.sh +++ /dev/null @@ -1,49 +0,0 @@ -#!/bin/bash - -# gather the coverage data -sudo apt-get -qq install lcov -lcov --capture --directory . -b . --output-file coverage.info -# filter to remove system headers -lcov --remove coverage.info '/usr/*' -o coverage.filtered.info -# convert to json -gem install coveralls-lcov -coveralls-lcov -v -n coverage.filtered.info > coverage.c.json - -coverage report -pip install codecov -pip install coveralls-merge -coveralls-merge coverage.c.json -codecov - -if [ "$DOCKER" == "" ]; then - pip install pyflakes pycodestyle - pyflakes *.py | tee >(wc -l) - pyflakes src/PIL/*.py | tee >(wc -l) - pyflakes Tests/*.py | tee >(wc -l) - pycodestyle --statistics --count src/PIL/*.py - pycodestyle --statistics --count Tests/*.py -fi - -if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ] && [ "$DOCKER" == "" ]; then - # Coverage and quality reports on just the latest diff. - # (Installation is very slow on Py3, so just do it for Py2.) - depends/diffcover-install.sh - depends/diffcover-run.sh -fi - -# after_all - -if [ "$TRAVIS_REPO_SLUG" = "python-pillow/Pillow" ] && [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then - curl -Lo travis_after_all.py https://raw.github.com/dmakhno/travis_after_all/master/travis_after_all.py - python travis_after_all.py - export $(cat .to_export_back) - if [ "$BUILD_LEADER" = "YES" ]; then - if [ "$BUILD_AGGREGATE_STATUS" = "others_succeeded" ]; then - echo "All jobs succeeded! Triggering macOS build..." - # Trigger a macOS build at the pillow-wheels repo - ./build_children.sh - else - echo "Some jobs failed" - fi - fi -fi diff --git a/.travis/install.sh b/.travis/install.sh deleted file mode 100755 index cad0e3c3203..00000000000 --- a/.travis/install.sh +++ /dev/null @@ -1,36 +0,0 @@ -#!/bin/bash - -set -e - -sudo apt-get update -sudo apt-get -qq install libfreetype6-dev liblcms2-dev python-tk\ - python-qt4 ghostscript libffi-dev libjpeg-turbo-progs cmake imagemagick\ - libharfbuzz-dev libfribidi-dev - -pip install cffi -pip install check-manifest -pip install coverage -pip install olefile -pip install -U pytest -pip install -U pytest-cov -pip install pyroma -pip install test-image-results - -# docs only on Python 2.7 -if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then pip install -r requirements.txt ; fi - -# clean checkout for manifest -mkdir /tmp/check-manifest && cp -a . /tmp/check-manifest - -# webp -pushd depends && ./install_webp.sh && popd - -# openjpeg -pushd depends && ./install_openjpeg.sh && popd - -# libimagequant -pushd depends && ./install_imagequant.sh && popd - -# extra test images -pushd depends && ./install_extra_test_images.sh && popd - diff --git a/.travis/script.sh b/.travis/script.sh deleted file mode 100755 index d6e02f01dd4..00000000000 --- a/.travis/script.sh +++ /dev/null @@ -1,15 +0,0 @@ -#!/bin/bash - -set -e - -coverage erase -make clean -make install-coverage - -python selftest.py -python -m pytest -vx --cov PIL --cov-report term Tests - -pushd /tmp/check-manifest && check-manifest --ignore ".coveragerc,.editorconfig,*.yml,*.yaml,tox.ini" && popd - -# Docs -if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then make doccheck; fi diff --git a/CHANGES.rst b/CHANGES.rst index 9a33a67b9ac..fa9fb52cf06 100644 --- a/CHANGES.rst +++ b/CHANGES.rst @@ -2,6 +2,1865 @@ Changelog (Pillow) ================== +9.0.1 (2022-02-03) +------------------ + +- In show_file, use os.remove to remove temporary images. CVE-2022-24303 #6010 + [radarhere, hugovk] + +- Restrict builtins within lambdas for ImageMath.eval. CVE-2022-22817 #6009 + [radarhere] + +9.0.0 (2022-01-02) +------------------ + +- Restrict builtins for ImageMath.eval(). CVE-2022-22817 #5923 + [radarhere] + +- Ensure JpegImagePlugin stops at the end of a truncated file #5921 + [radarhere] + +- Fixed ImagePath.Path array handling. CVE-2022-22815, CVE-2022-22816 #5920 + [radarhere] + +- Remove consecutive duplicate tiles that only differ by their offset #5919 + [radarhere] + +- Improved I;16 operations on big endian #5901 + [radarhere] + +- Limit quantized palette to number of colors #5879 + [radarhere] + +- Fixed palette index for zeroed color in FASTOCTREE quantize #5869 + [radarhere] + +- When saving RGBA to GIF, make use of first transparent palette entry #5859 + [radarhere] + +- Pass SAMPLEFORMAT to libtiff #5848 + [radarhere] + +- Added rounding when converting P and PA #5824 + [radarhere] + +- Improved putdata() documentation and data handling #5910 + [radarhere] + +- Exclude carriage return in PDF regex to help prevent ReDoS #5912 + [hugovk] + +- Fixed freeing pointer in ImageDraw.Outline.transform #5909 + [radarhere] + +- Added ImageShow support for xdg-open #5897 + [m-shinder, radarhere] + +- Support 16-bit grayscale ImageQt conversion #5856 + [cmbruns, radarhere] + +- Convert subsequent GIF frames to RGB or RGBA #5857 + [radarhere] + +- Do not prematurely return in ImageFile when saving to stdout #5665 + [infmagic2047, radarhere] + +- Added support for top right and bottom right TGA orientations #5829 + [radarhere] + +- Corrected ICNS file length in header #5845 + [radarhere] + +- Block tile TIFF tags when saving #5839 + [radarhere] + +- Added line width argument to polygon #5694 + [radarhere] + +- Do not redeclare class each time when converting to NumPy #5844 + [radarhere] + +- Only prevent repeated polygon pixels when drawing with transparency #5835 + [radarhere] + +- Add support for pickling TrueType fonts #5826 + [hugovk, radarhere] + +- Only prefer command line tools SDK on macOS over default MacOSX SDK #5828 + [radarhere] + +- Drop support for soon-EOL Python 3.6 #5768 + [hugovk, nulano, radarhere] + +- Fix compilation on 64-bit Termux #5793 + [landfillbaby] + +- Use title for display in ImageShow #5788 + [radarhere] + +- Remove support for FreeType 2.7 and older #5777 + [hugovk, radarhere] + +- Fix for PyQt6 #5775 + [hugovk, radarhere] + +- Removed deprecated PILLOW_VERSION, Image.show command parameter, Image._showxv and ImageFile.raise_ioerror #5776 + [radarhere] + +8.4.0 (2021-10-15) +------------------ + +- Prefer global transparency in GIF when replacing with background color #5756 + [radarhere] + +- Added "exif" keyword argument to TIFF saving #5575 + [radarhere] + +- Copy Python palette to new image in quantize() #5696 + [radarhere] + +- Read ICO AND mask from end #5667 + [radarhere] + +- Actually check the framesize in FliDecode.c #5659 + [wiredfool] + +- Determine JPEG2000 mode purely from ihdr header box #5654 + [radarhere] + +- Fixed using info dictionary when writing multiple APNG frames #5611 + [radarhere] + +- Allow saving 1 and L mode TIFF with PhotometricInterpretation 0 #5655 + [radarhere] + +- For GIF save_all with palette, do not include palette with each frame #5603 + [radarhere] + +- Keep transparency when converting from P to LA or PA #5606 + [radarhere] + +- Copy palette to new image in transform() #5647 + [radarhere] + +- Added "transparency" argument to EpsImagePlugin load() #5620 + [radarhere] + +- Corrected pathlib.Path detection when saving #5633 + [radarhere] + +- Added WalImageFile class #5618 + [radarhere] + +- Consider I;16 pixel size when drawing text #5598 + [radarhere] + +- If default conversion from P is RGB with transparency, convert to RGBA #5594 + [radarhere] + +- Speed up rotating square images by 90 or 270 degrees #5646 + [radarhere] + +- Add support for reading DPI information from JPEG2000 images + [rogermb, radarhere] + +- Catch TypeError from corrupted DPI value in EXIF #5639 + [homm, radarhere] + +- Do not close file pointer when saving SGI images #5645 + [farizrahman4u, radarhere] + +- Deprecate ImagePalette size parameter #5641 + [radarhere, hugovk] + +- Prefer command line tools SDK on macOS #5624 + [radarhere] + +- Added tags when saving YCbCr TIFF #5597 + [radarhere] + +- PSD layer count may be negative #5613 + [radarhere] + +- Fixed ImageOps expand with tuple border on P image #5615 + [radarhere] + +- Fixed error saving APNG with duplicate frames and different duration times #5609 + [thak1411, radarhere] + +8.3.2 (2021-09-02) +------------------ + +- CVE-2021-23437 Raise ValueError if color specifier is too long + [hugovk, radarhere] + +- Fix 6-byte OOB read in FliDecode + [wiredfool] + +- Add support for Python 3.10 #5569, #5570 + [hugovk, radarhere] + +- Ensure TIFF ``RowsPerStrip`` is multiple of 8 for JPEG compression #5588 + [kmilos, radarhere] + +- Updates for ``ImagePalette`` channel order #5599 + [radarhere] + +- Hide FriBiDi shim symbols to avoid conflict with real FriBiDi library #5651 + [nulano] + +8.3.1 (2021-07-06) +------------------ + +- Catch OSError when checking if fp is sys.stdout #5585 + [radarhere] + +- Handle removing orientation from alternate types of EXIF data #5584 + [radarhere] + +- Make Image.__array__ take optional dtype argument #5572 + [t-vi, radarhere] + +8.3.0 (2021-07-01) +------------------ + +- Use snprintf instead of sprintf. CVE-2021-34552 #5567 + [radarhere] + +- Limit TIFF strip size when saving with LibTIFF #5514 + [kmilos] + +- Allow ICNS save on all operating systems #4526 + [baletu, radarhere, newpanjing, hugovk] + +- De-zigzag JPEG's DQT when loading; deprecate convert_dict_qtables #4989 + [gofr, radarhere] + +- Replaced xml.etree.ElementTree #5565 + [radarhere] + +- Moved CVE image to pillow-depends #5561 + [radarhere] + +- Added tag data for IFD groups #5554 + [radarhere] + +- Improved ImagePalette #5552 + [radarhere] + +- Add DDS saving #5402 + [radarhere] + +- Improved getxmp() #5455 + [radarhere] + +- Convert to float for comparison with float in IFDRational __eq__ #5412 + [radarhere] + +- Allow getexif() to access TIFF tag_v2 data #5416 + [radarhere] + +- Read FITS image mode and size #5405 + [radarhere] + +- Merge parallel horizontal edges in ImagingDrawPolygon #5347 + [radarhere, hrdrq] + +- Use transparency behind first GIF frame and when disposing to background #5557 + [radarhere, zewt] + +- Avoid unstable nature of qsort in Quant.c #5367 + [radarhere] + +- Copy palette to new images in ImageOps expand #5551 + [radarhere] + +- Ensure palette string matches RGB mode #5549 + [radarhere] + +- Do not modify EXIF of original image instance in exif_transpose() #5547 + [radarhere] + +- Fixed default numresolution for small JPEG2000 images #5540 + [radarhere] + +- Added DDS BC5 reading #5501 + [radarhere] + +- Raise an error if ImageDraw.textbbox is used without a TrueType font #5510 + [radarhere] + +- Added ICO saving in BMP format #5513 + [radarhere] + +- Ensure PNG seeks to end of previous chunk at start of load_end #5493 + [radarhere] + +- Do not allow TIFF to seek to a past frame #5473 + [radarhere] + +- Avoid race condition when displaying images with eog #5507 + [mconst] + +- Added specific error messages when ink has incorrect number of bands #5504 + [radarhere] + +- Allow converting an image to a numpy array to raise errors #5379 + [radarhere] + +- Removed DPI rounding from BMP, JPEG, PNG and WMF loading #5476, #5470 + [radarhere] + +- Remove spikes when drawing thin pieslices #5460 + [xtsm] + +- Updated default value for SAMPLESPERPIXEL TIFF tag #5452 + [radarhere] + +- Removed TIFF DPI rounding #5446 + [radarhere, hugovk] + +- Include code in WebP error #5471 + [radarhere] + +- Do not alter pixels outside mask when drawing text on an image with transparency #5434 + [radarhere] + +- Reset handle when seeking backwards in TIFF #5443 + [radarhere] + +- Replace sys.stdout with sys.stdout.buffer when saving #5437 + [radarhere] + +- Fixed UNDEFINED TIFF tag of length 0 being changed in roundtrip #5426 + [radarhere] + +- Fixed bug when checking FreeType2 version if it is not installed #5445 + [radarhere] + +- Do not round dimensions when saving PDF #5459 + [radarhere] + +- Added ImageOps contain() #5417 + [radarhere, hugovk] + +- Changed WebP default "method" value to 4 #5450 + [radarhere] + +- Switched to saving 1-bit PDFs with DCTDecode #5430 + [radarhere] + +- Use bpp from ICO header #5429 + [radarhere] + +- Corrected JPEG APP14 transform value #5408 + [radarhere] + +- Changed TIFF tag 33723 length to 1 #5425 + [radarhere] + +- Changed ImageMorph incorrect mode errors to ValueError #5414 + [radarhere] + +- Add EXIF tags specified in EXIF 2.32 #5419 + [gladiusglad] + +- Treat previous contents of first GIF frame as transparent #5391 + [radarhere] + +- For special image modes, revert default resize resampling to NEAREST #5411 + [radarhere] + +- JPEG2000: Support decoding subsampled RGB and YCbCr images #4996 + [nulano, radarhere] + +- Stop decoding BC1 punchthrough alpha in BC2&3 #4144 + [jansol] + +- Use zero if GIF background color index is missing #5390 + [radarhere] + +- Fixed ensuring that GIF previous frame was loaded #5386 + [radarhere] + +- Valgrind fixes #5397 + [wiredfool] + +- Round down the radius in rounded_rectangle #5382 + [radarhere] + +- Fixed reading uncompressed RGB data from DDS #5383 + [radarhere] + +8.2.0 (2021-04-01) +------------------ + +- Added getxmp() method #5144 + [UrielMaD, radarhere] + +- Add ImageShow support for GraphicsMagick #5349 + [latosha-maltba, radarhere] + +- Do not load transparent pixels from subsequent GIF frames #5333 + [zewt, radarhere] + +- Use LZW encoding when saving GIF images #5291 + [raygard] + +- Set all transparent colors to be equal in quantize() #5282 + [radarhere] + +- Allow PixelAccess to use Python __int__ when parsing x and y #5206 + [radarhere] + +- Removed Image._MODEINFO #5316 + [radarhere] + +- Add preserve_tone option to autocontrast #5350 + [elejke, radarhere] + +- Fixed linear_gradient and radial_gradient I and F modes #5274 + [radarhere] + +- Add support for reading TIFFs with PlanarConfiguration=2 #5364 + [kkopachev, wiredfool, nulano] + +- Deprecated categories #5351 + [radarhere] + +- Do not premultiply alpha when resizing with Image.NEAREST resampling #5304 + [nulano] + +- Dynamically link FriBiDi instead of Raqm #5062 + [nulano] + +- Allow fewer PNG palette entries than the bit depth maximum when saving #5330 + [radarhere] + +- Use duration from info dictionary when saving WebP #5338 + [radarhere] + +- Stop flattening EXIF IFD into getexif() #4947 + [radarhere, kkopachev] + +- Replaced tiff_deflate with tiff_adobe_deflate compression when saving TIFF images #5343 + [radarhere] + +- Save ICC profile from TIFF encoderinfo #5321 + [radarhere] + +- Moved RGB fix inside ImageQt class #5268 + [radarhere] + +- Allow alpha_composite destination to be negative #5313 + [radarhere] + +- Ensure file is closed if it is opened by ImageQt.ImageQt #5260 + [radarhere] + +- Added ImageDraw rounded_rectangle method #5208 + [radarhere] + +- Added IPythonViewer #5289 + [radarhere, Kipkurui-mutai] + +- Only draw each rectangle outline pixel once #5183 + [radarhere] + +- Use mmap instead of built-in Win32 mapper #5224 + [radarhere, cgohlke] + +- Handle PCX images with an odd stride #5214 + [radarhere] + +- Only read different sizes for "Large Thumbnail" MPO frames #5168 + [radarhere] + +- Added PyQt6 support #5258 + [radarhere] + +- Changed Image.open formats parameter to be case-insensitive #5250 + [Piolie, radarhere] + +- Deprecate Tk/Tcl 8.4, to be removed in Pillow 10 (2023-07-01) #5216 + [radarhere] + +- Added tk version to pilinfo #5226 + [radarhere, nulano] + +- Support for ignoring tests when running valgrind #5150 + [wiredfool, radarhere, hugovk] + +- OSS-Fuzz support #5189 + [wiredfool, radarhere] + +8.1.2 (2021-03-06) +------------------ + +- Fix Memory DOS in BLP (CVE-2021-27921), ICNS (CVE-2021-27922) and ICO (CVE-2021-27923) Image Plugins + [wiredfool] + +8.1.1 (2021-03-01) +------------------ + +- Use more specific regex chars to prevent ReDoS. CVE-2021-25292 + [hugovk] + +- Fix OOB Read in TiffDecode.c, and check the tile validity before reading. CVE-2021-25291 + [wiredfool] + +- Fix negative size read in TiffDecode.c. CVE-2021-25290 + [wiredfool] + +- Fix OOB read in SgiRleDecode.c. CVE-2021-25293 + [wiredfool] + +- Incorrect error code checking in TiffDecode.c. CVE-2021-25289 + [wiredfool] + +- PyModule_AddObject fix for Python 3.10 #5194 + [radarhere] + +8.1.0 (2021-01-02) +------------------ + +- Fix TIFF OOB Write error. CVE-2020-35654 #5175 + [wiredfool] + +- Fix for Read Overflow in PCX Decoding. CVE-2020-35653 #5174 + [wiredfool, radarhere] + +- Fix for SGI Decode buffer overrun. CVE-2020-35655 #5173 + [wiredfool, radarhere] + +- Fix OOB Read when saving GIF of xsize=1 #5149 + [wiredfool] + +- Makefile updates #5159 + [wiredfool, radarhere] + +- Add support for PySide6 #5161 + [hugovk] + +- Use disposal settings from previous frame in APNG #5126 + [radarhere] + +- Added exception explaining that _repr_png_ saves to PNG #5139 + [radarhere] + +- Use previous disposal method in GIF load_end #5125 + [radarhere] + +- Allow putpalette to accept 1024 integers to include alpha values #5089 + [radarhere] + +- Fix OOB Read when writing TIFF with custom Metadata #5148 + [wiredfool] + +- Added append_images support for ICO #4568 + [ziplantil, radarhere] + +- Block TIFFTAG_SUBIFD #5120 + [radarhere] + +- Fixed dereferencing potential null pointers #5108, #5111 + [cgohlke, radarhere] + +- Deprecate FreeType 2.7 #5098 + [hugovk, radarhere] + +- Moved warning to end of execution #4965 + [radarhere] + +- Removed unused fromstring and tostring C methods #5026 + [radarhere] + +- init() if one of the formats is unrecognised #5037 + [radarhere] + +- Moved string_dimension CVE image to pillow-depends #4993 + [radarhere] + +- Support raw rgba8888 for DDS #4760 + [qiankanglai] + +8.0.1 (2020-10-22) +------------------ + +- Update FreeType used in binary wheels to 2.10.4 to fix CVE-2020-15999. + [radarhere] + +- Moved string_dimension image to pillow-depends #4993 + [radarhere] + +8.0.0 (2020-10-15) +------------------ + +- Drop support for EOL Python 3.5 #4746, #4794 + [hugovk, radarhere, nulano] + +- Drop support for PyPy3 < 7.2.0 #4964 + [nulano] + +- Remove ImageCms.CmsProfile attributes deprecated since 3.2.0 #4768 + [hugovk, radarhere] + +- Remove long-deprecated Image.py functions #4798 + [hugovk, nulano, radarhere] + +- Add support for 16-bit precision JPEG quantization values #4918 + [gofr] + +- Added reading of IFD tag type #4979 + [radarhere] + +- Initialize offset memory for PyImagingPhotoPut #4806 + [nqbit] + +- Fix TiffDecode comparison warnings #4756 + [nulano] + +- Docs: Add dark mode #4968 + [hugovk, nulano] + +- Added macOS SDK install path to library and include directories #4974 + [radarhere, fxcoudert] + +- Imaging.h: prevent confusion with system #4923 + [ax3l, ,radarhere] + +- Avoid using pkg_resources in PIL.features.pilinfo #4975 + [nulano] + +- Add getlength and getbbox functions for TrueType fonts #4959 + [nulano, radarhere, hugovk] + +- Allow tuples with one item to give single color value in getink #4927 + [radarhere, nulano] + +- Add support for CBDT and COLR fonts #4955 + [nulano, hugovk] + +- Removed OSError in favour of DecompressionBombError for BMP #4966 + [radarhere] + +- Implemented another ellipse drawing algorithm #4523 + [xtsm, radarhere] + +- Removed unused JpegImagePlugin._fixup_dict function #4957 + [radarhere] + +- Added reading and writing of private PNG chunks #4292 + [radarhere] + +- Implement anchor for TrueType fonts #4930 + [nulano, hugovk] + +- Fixed bug in Exif __delitem__ #4942 + [radarhere] + +- Fix crash in ImageTk.PhotoImage on MinGW 64-bit #4946 + [nulano] + +- Moved CVE images to pillow-depends #4929 + [radarhere] + +- Refactor font_getsize and font_render #4910 + [nulano] + +- Fixed loading profile with non-ASCII path on Windows #4914 + [radarhere] + +- Fixed effect_spread bug for zero distance #4908 + [radarhere, hugovk] + +- Added formats parameter to Image.open #4837 + [nulano, radarhere] + +- Added regular_polygon draw method #4846 + [comhar] + +- Raise proper TypeError in putpixel #4882 + [nulano, hugovk] + +- Added writing of subIFDs #4862 + [radarhere] + +- Fix IFDRational __eq__ bug #4888 + [luphord, radarhere] + +- Fixed duplicate variable name #4885 + [liZe, radarhere] + +- Added homebrew zlib include directory #4842 + [radarhere] + +- Corrected inverted PDF CMYK colors #4866 + [radarhere] + +- Do not try to close file pointer if file pointer is empty #4823 + [radarhere] + +- ImageOps.autocontrast: add mask parameter #4843 + [navneeth, hugovk] + +- Read EXIF data tEXt chunk into info as bytes instead of string #4828 + [radarhere] + +- Replaced distutils with setuptools #4797, #4809, #4814, #4817, #4829, #4890 + [hugovk, radarhere] + +- Add MIME type to PsdImagePlugin #4788 + [samamorgan] + +- Allow ImageOps.autocontrast to specify low and high cutoffs separately #4749 + [millionhz, radarhere] + +7.2.0 (2020-07-01) +------------------ + +- Do not convert I;16 images when showing PNGs #4744 + [radarhere] + +- Fixed ICNS file pointer saving #4741 + [radarhere] + +- Fixed loading non-RGBA mode APNGs with dispose background #4742 + [radarhere] + +- Deprecated _showxv #4714 + [radarhere] + +- Deprecate Image.show(command="...") #4646 + [nulano, hugovk, radarhere] + +- Updated JPEG magic number #4707 + [Cykooz, radarhere] + +- Change STRIPBYTECOUNTS to LONG if necessary when saving #4626 + [radarhere, hugovk] + +- Write JFIF header when saving JPEG #4639 + [radarhere] + +- Replaced tiff_jpeg with jpeg compression when saving TIFF images #4627 + [radarhere] + +- Writing TIFF tags: improved BYTE, added UNDEFINED #4605 + [radarhere] + +- Consider transparency when pasting text on an RGBA image #4566 + [radarhere] + +- Added method argument to single frame WebP saving #4547 + [radarhere] + +- Use ImageFileDirectory_v2 in Image.Exif #4637 + [radarhere] + +- Corrected reading EXIF metadata without prefix #4677 + [radarhere] + +- Fixed drawing a jointed line with a sequence of numeric values #4580 + [radarhere] + +- Added support for 1-D NumPy arrays #4608 + [radarhere] + +- Parse orientation from XMP tags #4560 + [radarhere] + +- Speed up text layout by not rendering glyphs #4652 + [nulano] + +- Fixed ZeroDivisionError in Image.thumbnail #4625 + [radarhere] + +- Replaced TiffImagePlugin DEBUG with logging #4550 + [radarhere] + +- Fix repeatedly loading .gbr #4620 + [ElinksFr, radarhere] + +- JPEG: Truncate icclist instead of setting to None #4613 + [homm] + +- Fixes default offset for Exif #4594 + [rodrigob, radarhere] + +- Fixed bug when unpickling TIFF images #4565 + [radarhere] + +- Fix pickling WebP #4561 + [hugovk, radarhere] + +- Replace IOError and WindowsError aliases with OSError #4536 + [hugovk, radarhere] + +7.1.2 (2020-04-25) +------------------ + +- Raise an EOFError when seeking too far in PNG #4528 + [radarhere] + +7.1.1 (2020-04-02) +------------------ + +- Fix regression seeking and telling PNGs #4512 #4514 + [hugovk, radarhere] + +7.1.0 (2020-04-01) +------------------ + +- Fix multiple OOB reads in FLI decoding #4503 + [wiredfool] + +- Fix buffer overflow in SGI-RLE decoding #4504 + [wiredfool, hugovk] + +- Fix bounds overflow in JPEG 2000 decoding #4505 + [wiredfool] + +- Fix bounds overflow in PCX decoding #4506 + [wiredfool] + +- Fix 2 buffer overflows in TIFF decoding #4507 + [wiredfool] + +- Add APNG support #4243 + [pmrowla, radarhere, hugovk] + +- ImageGrab.grab() for Linux with XCB #4260 + [nulano, radarhere] + +- Added three new channel operations #4230 + [dwastberg, radarhere] + +- Prevent masking of Image reduce method in Jpeg2KImagePlugin #4474 + [radarhere, homm] + +- Added reading of earlier ImageMagick PNG EXIF data #4471 + [radarhere] + +- Fixed endian handling for I;16 getextrema #4457 + [radarhere] + +- Release buffer if function returns prematurely #4381 + [radarhere] + +- Add JPEG comment to info dictionary #4455 + [radarhere] + +- Fix size calculation of Image.thumbnail() #4404 + [orlnub123] + +- Fixed stroke on FreeType < 2.9 #4401 + [radarhere] + +- If present, only use alpha channel for bounding box #4454 + [radarhere] + +- Warn if an unknown feature is passed to features.check() #4438 + [jdufresne] + +- Fix Name field length when saving IM images #4424 + [hugovk, radarhere] + +- Allow saving of zero quality JPEG images #4440 + [radarhere] + +- Allow explicit zero width to hide outline #4334 + [radarhere] + +- Change ContainerIO return type to match file object mode #4297 + [jdufresne, radarhere] + +- Only draw each polygon pixel once #4333 + [radarhere] + +- Add support for shooting situation Exif IFD tags #4398 + [alexagv] + +- Handle multiple and malformed JPEG APP13 markers #4370 + [homm] + +- Depends: Update libwebp to 1.1.0 #4342, libjpeg to 9d #4352 + [radarhere] + +7.0.0 (2020-01-02) +------------------ + +- Drop support for EOL Python 2.7 #4109 + [hugovk, radarhere, jdufresne] + +- Fix rounding error on RGB to L conversion #4320 + [homm] + +- Exif writing fixes: Rational boundaries and signed/unsigned types #3980 + [kkopachev, radarhere] + +- Allow loading of WMF images at a given DPI #4311 + [radarhere] + +- Added reduce operation #4251 + [homm] + +- Raise ValueError for io.StringIO in Image.open #4302 + [radarhere, hugovk] + +- Fix thumbnail geometry when DCT scaling is used #4231 + [homm, radarhere] + +- Use default DPI when exif provides invalid x_resolution #4147 + [beipang2, radarhere] + +- Change default resize resampling filter from NEAREST to BICUBIC #4255 + [homm] + +- Fixed black lines on upscaled images with the BOX filter #4278 + [homm] + +- Better thumbnail aspect ratio preservation #4256 + [homm] + +- Add La mode packing and unpacking #4248 + [homm] + +- Include tests in coverage reports #4173 + [hugovk] + +- Handle broken Photoshop data #4239 + [radarhere] + +- Raise a specific exception if no data is found for an MPO frame #4240 + [radarhere] + +- Fix Unicode support for PyPy #4145 + [nulano] + +- Added UnidentifiedImageError #4182 + [radarhere, hugovk] + +- Remove deprecated __version__ from plugins #4197 + [hugovk, radarhere] + +- Fixed freeing unallocated pointer when resizing with height too large #4116 + [radarhere] + +- Copy info in Image.transform #4128 + [radarhere] + +- Corrected DdsImagePlugin setting info gamma #4171 + [radarhere] + +- Depends: Update libtiff to 4.1.0 #4195, Tk Tcl to 8.6.10 #4229, libimagequant to 2.12.6 #4318 + [radarhere] + +- Improve handling of file resources #3577 + [jdufresne] + +- Removed CI testing of Fedora 29 #4165 + [hugovk] + +- Added pypy3 to tox envlist #4137 + [jdufresne] + +- Drop support for EOL PyQt4 and PySide #4108 + [hugovk, radarhere] + +- Removed deprecated setting of TIFF image sizes #4114 + [radarhere] + +- Removed deprecated PILLOW_VERSION #4107 + [hugovk] + +- Changed default frombuffer raw decoder args #1730 + [radarhere] + +6.2.2 (2020-01-02) +------------------ + +- This is the last Pillow release to support Python 2.7 #3642 + +- Overflow checks for realloc for tiff decoding. CVE-2020-5310 + [wiredfool, radarhere] + +- Catch SGI buffer overrun. CVE-2020-5311 + [radarhere] + +- Catch PCX P mode buffer overrun. CVE-2020-5312 + [radarhere] + +- Catch FLI buffer overrun. CVE-2020-5313 + [radarhere] + +- Raise an error for an invalid number of bands in FPX image. CVE-2019-19911 + [wiredfool, radarhere] + +6.2.1 (2019-10-21) +------------------ + +- Add support for Python 3.8 #4141 + [hugovk] + +6.2.0 (2019-10-01) +------------------ + +- Catch buffer overruns #4104 + [radarhere] + +- Initialize rows_per_strip when RowsPerStrip tag is missing #4034 + [cgohlke, radarhere] + +- Raise error if TIFF dimension is a string #4103 + [radarhere] + +- Added decompression bomb checks #4102 + [radarhere] + +- Fix ImageGrab.grab DPI scaling on Windows 10 version 1607+ #4000 + [nulano, radarhere] + +- Corrected negative seeks #4101 + [radarhere] + +- Added argument to capture all screens on Windows #3950 + [nulano, radarhere] + +- Updated warning to specify when Image.frombuffer defaults will change #4086 + [radarhere] + +- Changed WindowsViewer format to PNG #4080 + [radarhere] + +- Use TIFF orientation #4063 + [radarhere] + +- Raise the same error if a truncated image is loaded a second time #3965 + [radarhere] + +- Lazily use ImageFileDirectory_v1 values from Exif #4031 + [radarhere] + +- Improved HSV conversion #4004 + [radarhere] + +- Added text stroking #3978 + [radarhere, hugovk] + +- No more deprecated bdist_wininst .exe installers #4029 + [hugovk] + +- Do not allow floodfill to extend into negative coordinates #4017 + [radarhere] + +- Fixed arc drawing bug for a non-whole number of degrees #4014 + [radarhere] + +- Fix bug when merging identical images to GIF with a list of durations #4003 + [djy0, radarhere] + +- Fix bug in TIFF loading of BufferedReader #3998 + [chadawagner] + +- Added fallback for finding ld on MinGW Cygwin #4019 + [radarhere] + +- Remove indirect dependencies from requirements.txt #3976 + [hugovk] + +- Depends: Update libwebp to 1.0.3 #3983, libimagequant to 2.12.5 #3993, freetype to 2.10.1 #3991 + [radarhere] + +- Change overflow check to use PY_SSIZE_T_MAX #3964 + [radarhere] + +- Report reason for pytest skips #3942 + [hugovk] + +6.1.0 (2019-07-01) +------------------ + +- Deprecate Image.__del__ #3929 + [jdufresne] + +- Tiff: Add support for JPEG quality #3886 + [olt] + +- Respect the PKG_CONFIG environment variable when building #3928 + [chewi] + +- Use explicit memcpy() to avoid unaligned memory accesses #3225 + [DerDakon] + +- Improve encoding of TIFF tags #3861 + [olt] + +- Update Py_UNICODE to Py_UCS4 #3780 + [nulano] + +- Consider I;16 pixel size when drawing #3899 + [radarhere] + +- Add TIFFTAG_SAMPLEFORMAT to blocklist #3926 + [cgohlke, radarhere] + +- Create GIF deltas from background colour of GIF frames if disposal mode is 2 #3708 + [sircinnamon, radarhere] + +- Added ImageSequence all_frames #3778 + [radarhere] + +- Use unsigned int to store TIFF IFD offsets #3923 + [cgohlke] + +- Include CPPFLAGS when searching for libraries #3819 + [jefferyto] + +- Updated TIFF tile descriptors to match current decoding functionality #3795 + [dmnisson] + +- Added an ``image.entropy()`` method (second revision) #3608 + [fish2000] + +- Pass the correct types to PyArg_ParseTuple #3880 + [QuLogic] + +- Fixed crash when loading non-font bytes #3912 + [radarhere] + +- Fix SPARC memory alignment issues in Pack/Unpack functions #3858 + [kulikjak] + +- Added CMYK;16B and CMYK;16N unpackers #3913 + [radarhere] + +- Fixed bugs in calculating text size #3864 + [radarhere] + +- Add __main__.py to output basic format and support information #3870 + [jdufresne] + +- Added variation font support #3802 + [radarhere] + +- Do not down-convert if image is LA when showing with PNG format #3869 + [radarhere] + +- Improve handling of PSD frames #3759 + [radarhere] + +- Improved ICO and ICNS loading #3897 + [radarhere] + +- Changed Preview application path so that it is no longer static #3896 + [radarhere] + +- Corrected ttb text positioning #3856 + [radarhere] + +- Handle unexpected ICO image sizes #3836 + [radarhere] + +- Fixed bits value for RGB;16N unpackers #3837 + [kkopachev] + +- Travis CI: Add Fedora 30, remove Fedora 28 #3821 + [hugovk] + +- Added reading of CMYK;16L TIFF images #3817 + [radarhere] + +- Fixed dimensions of 1-bit PDFs #3827 + [radarhere] + +- Fixed opening mmap image through Path on Windows #3825 + [radarhere] + +- Fixed ImageDraw arc gaps #3824 + [radarhere] + +- Expand GIF to include frames with extents outside the image size #3822 + [radarhere] + +- Fixed ImageTk getimage #3814 + [radarhere] + +- Fixed bug in decoding large images #3791 + [radarhere] + +- Fixed reading APP13 marker without Photoshop data #3771 + [radarhere] + +- Added option to include layered windows in ImageGrab.grab on Windows #3808 + [radarhere] + +- Detect libimagequant when installed by pacman on MingW #3812 + [radarhere] + +- Fixed raqm layout bug #3787 + [radarhere] + +- Fixed loading font with non-Unicode path on Windows #3785 + [radarhere] + +- Travis CI: Upgrade PyPy from 6.0.0 to 7.1.1 #3783 + [hugovk, johnthagen] + +- Depends: Updated openjpeg to 2.3.1 #3794, raqm to 0.7.0 #3877, libimagequant to 2.12.3 #3889 + [radarhere] + +- Fix numpy bool bug #3790 + [radarhere] + +6.0.0 (2019-04-01) +------------------ + +- Python 2.7 support will be removed in Pillow 7.0.0 #3682 + [hugovk] + +- Add EXIF class #3625 + [radarhere] + +- Add ImageOps exif_transpose method #3687 + [radarhere] + +- Added warnings to deprecated CMSProfile attributes #3615 + [hugovk] + +- Documented reading TIFF multiframe images #3720 + [akuchling] + +- Improved speed of opening an MPO file #3658 + [Glandos] + +- Update palette in quantize #3721 + [radarhere] + +- Improvements to TIFF is_animated and n_frames #3714 + [radarhere] + +- Fixed incompatible pointer type warnings #3754 + [radarhere] + +- Improvements to PA and LA conversion and palette operations #3728 + [radarhere] + +- Consistent DPI rounding #3709 + [radarhere] + +- Change size of MPO image to match frame #3588 + [radarhere] + +- Read Photoshop resolution data #3701 + [radarhere] + +- Ensure image is mutable before saving #3724 + [radarhere] + +- Correct remap_palette documentation #3740 + [radarhere] + +- Promote P images to PA in putalpha #3726 + [radarhere] + +- Allow RGB and RGBA values for new P images #3719 + [radarhere] + +- Fixed TIFF bug when seeking backwards and then forwards #3713 + [radarhere] + +- Cache EXIF information #3498 + [Glandos] + +- Added transparency for all PNG greyscale modes #3744 + [radarhere] + +- Fix deprecation warnings in Python 3.8 #3749 + [radarhere] + +- Fixed GIF bug when rewinding to a non-zero frame #3716 + [radarhere] + +- Only close original fp in __del__ and __exit__ if original fp is exclusive #3683 + [radarhere] + +- Fix BytesWarning in Tests/test_numpy.py #3725 + [jdufresne] + +- Add missing MIME types and extensions #3520 + [pirate486743186] + +- Add I;16 PNG save #3566 + [radarhere] + +- Add support for BMP RGBA bitfield compression #3705 + [radarhere] + +- Added ability to set language for text rendering #3693 + [iwsfutcmd] + +- Only close exclusive fp on Image __exit__ #3698 + [radarhere] + +- Changed EPS subprocess stdout from devnull to None #3635 + [radarhere] + +- Add reading old-JPEG compressed TIFFs #3489 + [kkopachev] + +- Add EXIF support for PNG #3674 + [radarhere] + +- Add option to set dither param on quantize #3699 + [glasnt] + +- Add reading of DDS uncompressed RGB data #3673 + [radarhere] + +- Correct length of Tiff BYTE tags #3672 + [radarhere] + +- Add DIB saving and loading through Image open #3691 + [radarhere] + +- Removed deprecated VERSION #3624 + [hugovk] + +- Fix 'BytesWarning: Comparison between bytes and string' in PdfDict #3580 + [jdufresne] + +- Do not resize in Image.thumbnail if already the destination size #3632 + [radarhere] + +- Replace .seek() magic numbers with io.SEEK_* constants #3572 + [jdufresne] + +- Make ContainerIO.isatty() return a bool, not int #3568 + [jdufresne] + +- Add support to all transpose operations for I;16 modes #3563, #3741 + [radarhere] + +- Deprecate support for PyQt4 and PySide #3655 + [hugovk, radarhere] + +- Add TIFF compression codecs: LZMA, Zstd, WebP #3555 + [cgohlke] + +- Fixed pickling of iTXt class with protocol > 1 #3537 + [radarhere] + +- _util.isPath returns True for pathlib.Path objects #3616 + [wbadart] + +- Remove unnecessary unittest.main() boilerplate from test files #3631 + [jdufresne] + +- Exif: Seek to IFD offset #3584 + [radarhere] + +- Deprecate PIL.*ImagePlugin.__version__ attributes #3628 + [jdufresne] + +- Docs: Add note about ImageDraw operations that exceed image bounds #3620 + [radarhere] + +- Allow for unknown PNG chunks after image data #3558 + [radarhere] + +- Changed EPS subprocess stdin from devnull to None #3611 + [radarhere] + +- Fix possible integer overflow #3609 + [cgohlke] + +- Catch BaseException for resource cleanup handlers #3574 + [jdufresne] + +- Improve pytest configuration to allow specific tests as CLI args #3579 + [jdufresne] + +- Drop support for Python 3.4 #3596 + [hugovk] + +- Remove deprecated PIL.OleFileIO #3598 + [hugovk] + +- Remove deprecated ImageOps undocumented functions #3599 + [hugovk] + +- Depends: Update libwebp to 1.0.2 #3602 + [radarhere] + +- Detect MIME types #3525 + [radarhere] + +5.4.1 (2019-01-06) +------------------ + +- File closing: Only close __fp if not fp #3540 + [radarhere] + +- Fix build for Termux #3529 + [pslacerda] + +- PNG: Detect MIME types #3525 + [radarhere] + +- PNG: Handle IDAT chunks after image end #3532 + [radarhere] + +5.4.0 (2019-01-01) +------------------ + +- Docs: Improved ImageChops documentation #3522 + [radarhere] + +- Allow RGB and RGBA values for P image putpixel #3519 + [radarhere] + +- Add APNG extension to PNG plugin #3501 + [pirate486743186, radarhere] + +- Lookup ld.so.cache instead of hardcoding search paths #3245 + [pslacerda] + +- Added custom string TIFF tags #3513 + [radarhere] + +- Improve setup.py configuration #3395 + [diorcety] + +- Read textual chunks located after IDAT chunks for PNG #3506 + [radarhere] + +- Performance: Don't try to hash value if enum is empty #3503 + [Glandos] + +- Added custom int and float TIFF tags #3350 + [radarhere] + +- Fixes for issues reported by static code analysis #3393 + [frenzymadness] + +- GIF: Wait until mode is normalized to copy im.info into encoderinfo #3187 + [radarhere] + +- Docs: Add page of deprecations and removals #3486 + [hugovk] + +- Travis CI: Upgrade PyPy from 5.8.0 to 6.0 #3488 + [hugovk] + +- Travis CI: Allow lint job to fail #3467 + [hugovk] + +- Resolve __fp when closing and deleting #3261 + [radarhere] + +- Close exclusive fp before discarding #3461 + [radarhere] + +- Updated open files documentation #3490 + [radarhere] + +- Added libjpeg_turbo to check_feature #3493 + [radarhere] + +- Change color table index background to tuple when saving as WebP #3471 + [radarhere] + +- Allow arbitrary number of comment extension subblocks #3479 + [radarhere] + +- Ensure previous FLI frame is loaded before seeking to the next #3478 + [radarhere] + +- ImageShow improvements #3450 + [radarhere] + +- Depends: Update libimagequant to 2.12.2 #3442, libtiff to 4.0.10 #3458, libwebp to 1.0.1 #3468, Tk Tcl to 8.6.9 #3465 + [radarhere] + +- Check quality_layers type #3464 + [radarhere] + +- Add context manager, __del__ and close methods to TarIO #3455 + [radarhere] + +- Test: Do not play sound when running screencapture command #3454 + [radarhere] + +- Close exclusive fp on open exception #3456 + [radarhere] + +- Only close existing fp in WebP if fp is exclusive #3418 + [radarhere] + +- Docs: Re-add the downloads badge #3443 + [hugovk] + +- Added negative index to PixelAccess #3406 + [Nazime] + +- Change tuple background to global color table index when saving as GIF #3385 + [radarhere] + +- Test: Improved ImageGrab tests #3424 + [radarhere] + +- Flake8 fixes #3422, #3440 + [radarhere, hugovk] + +- Only ask for YCbCr->RGB libtiff conversion for jpeg-compressed tiffs #3417 + [kkopachev] + +- Optimise ImageOps.fit by combining resize and crop #3409 + [homm] + +5.3.0 (2018-10-01) +------------------ + +- Changed Image size property to be read-only by default #3203 + [radarhere] + +- Add warnings if image file identification fails due to lack of WebP support #3169 + [radarhere, hugovk] + +- Hide the Ghostscript progress dialog popup on Windows #3378 + [hugovk] + +- Adding support to reading tiled and YcbCr jpeg tiffs through libtiff #3227 + [kkopachev] + +- Fixed None as TIFF compression argument #3310 + [radarhere] + +- Changed GIF seek to remove previous info items #3324 + [radarhere] + +- Improved PDF document info #3274 + [radarhere] + +- Add line width parameter to rectangle and ellipse-based shapes #3094 + [hugovk, radarhere] + +- Fixed decompression bomb check in _crop #3313 + [dinkolubina, hugovk] + +- Added support to ImageDraw.floodfill for non-RGB colors #3377 + [radarhere] + +- Tests: Avoid catching unexpected exceptions in tests #2203 + [jdufresne] + +- Use TextIOWrapper.detach() instead of NoCloseStream #2214 + [jdufresne] + +- Added transparency to matrix conversion #3205 + [radarhere] + +- Added ImageOps pad method #3364 + [radarhere] + +- Give correct extrema for I;16 format images #3359 + [bz2] + +- Added PySide2 #3279 + [radarhere] + +- Corrected TIFF tags #3369 + [radarhere] + +- CI: Install CFFI and pycparser without any PYTHONOPTIMIZE #3374 + [hugovk] + +- Read/Save RGB webp as RGB (instead of RGBX) #3298 + [kkopachev] + +- ImageDraw: Add line joints #3250 + [radarhere] + +- Improved performance of ImageDraw floodfill method #3294 + [yo1995] + +- Fix builds with --parallel #3272 + [hsoft] + +- Add more raw Tiff modes (RGBaX, RGBaXX, RGBAX, RGBAXX) #3335 + [homm] + +- Close existing WebP fp before setting new fp #3341 + [radarhere] + +- Add orientation, compression and id_section as TGA save keyword arguments #3327 + [radarhere] + +- Convert int values of RATIONAL TIFF tags to floats #3338 + [radarhere, wiredfool] + +- Fix code for PYTHONOPTIMIZE #3233 + [hugovk] + +- Changed ImageFilter.Kernel to subclass ImageFilter.BuiltinFilter, instead of the other way around #3273 + [radarhere] + +- Remove unused draw.draw_line, draw.draw_point and font.getabc methods #3232 + [hugovk] + +- Tests: Added ImageFilter tests #3295 + [radarhere] + +- Tests: Added ImageChops tests #3230 + [hugovk, radarhere] + +- AppVeyor: Download lib if not present in pillow-depends #3316 + [radarhere] + +- Travis CI: Add Python 3.7 and Xenial #3234 + [hugovk] + +- Docs: Added documentation for NumPy conversion #3301 + [radarhere] + +- Depends: Update libimagequant to 2.12.1 #3281 + [radarhere] + +- Add three-color support to ImageOps.colorize #3242 + [tsennott] + +- Tests: Add LA to TGA test modes #3222 + [danpla] + +- Skip outline if the draw operation fills with the same colour #2922 + [radarhere] + +- Flake8 fixes #3173, #3380 + [radarhere] + +- Avoid deprecated 'U' mode when opening files #2187 + [jdufresne] + +5.2.0 (2018-07-01) +------------------ + +- Fixed saving a multiframe image as a single frame PDF #3137 + [radarhere] + +- If a Qt version is already imported, attempt to use it first #3143 + [radarhere] + +- Fix transform fill color for alpha images #3147 + [fozcode] + +- TGA: Add support for writing RLE data #3186 + [danpla] + +- TGA: Read and write LA data #3178 + [danpla] + +- QuantOctree.c: Remove erroneous attempt to average over an empty range #3196 + [tkoeppe] + +- Changed ICNS format tests to pass on OS X 10.11 #3202 + [radarhere] + +- Fixed bug in ImageDraw.multiline_textsize() #3114 + [tianyu139] + +- Added getsize_multiline support for PIL.ImageFont #3113 + [tianyu139] + +- Added ImageFile get_format_mimetype method #3190 + [radarhere] + +- Changed mmap file pointer to use context manager #3216 + [radarhere] + +- Changed ellipse point calculations to be more evenly distributed #3142 + [radarhere] + +- Only extract first Exif segment #2946 + [hugovk] + +- Tests: Test ImageDraw2, WalImageFile #3135, #2989 + [hugovk] + +- Remove unnecessary '#if 0' code #3075 + [hugovk] + +- Tests: Added GD tests #1817 + [radarhere] + +- Fix collections ABCs DeprecationWarning in Python 3.7 #3123 + [hugovk] + +- unpack_from is faster than unpack of slice #3201 + [landfillbaby] + +- Docs: Add coordinate system links and file handling links in documentation #3204, #3214 + [radarhere] + +- Tests: TestFilePng: Fix test_save_l_transparency() #3182 + [danpla] + +- Docs: Correct argument name #3171 + [radarhere] + +- Docs: Update CMake download URL #3166 + [radarhere] + +- Docs: Improve Image.transform documentation #3164 + [radarhere] + +- Fix transform fillcolor argument when image mode is RGBA or LA #3163 + [radarhere] + +- Tests: More specific Exception testing #3158 + [radarhere] + +- Add getrgb HSB/HSV color strings #3148 + [radarhere] + +- Allow float values in getrgb HSL color string #3146 + [radarhere] + +- AppVeyor: Upgrade to Python 2.7.15 and 3.4.4 #3140 + [radarhere] + +- AppVeyor: Upgrade to PyPy 6.0.0 #3133 + [hugovk] + +- Deprecate PILLOW_VERSION and VERSION #3090 + [hugovk] + +- Support Python 3.7 #3076 + [hugovk] + +- Depends: Update freetype to 2.9.1, libjpeg to 9c, libwebp to 1.0.0 #3121, #3136, #3108 + [radarhere] + +- Build macOS wheels with Xcode 6.4, supporting older macOS versions #3068 + [wiredfool] + +- Fix _i2f compilation on some GCC versions #3067 + [homm] + +- Changed encoderinfo to have priority over info when saving GIF images #3086 + [radarhere] + +- Rename PIL.version to PIL._version and remove it from module #3083 + [homm] + +- Enable background colour parameter on rotate #3057 + [storesource] + +- Remove unnecessary ``#if 1`` directive #3072 + [jdufresne] + +- Remove unused Python class, Path #3070 + [jdufresne] + +- Fix dereferencing type-punned pointer will break strict-aliasing #3069 + [jdufresne] + +5.1.0 (2018-04-02) +------------------ + +- Close fp before return in ImagingSavePPM #3061 + [kathryndavies] + +- Added documentation for ICNS append_images #3051 + [radarhere] + +- Docs: Move intro text below its header #3021 + [hugovk] + +- CI: Rename appveyor.yml as .appveyor.yml #2978 + [hugovk] + +- Fix TypeError for JPEG2000 parser feed #3042 + [hugovk] + +- Certain corrupted jpegs can result in no data read #3023 + [kkopachev] + +- Add support for BLP file format #3007 + [jleclanche] + +- Simplify version checks #2998 + [hugovk] + +- Fix "invalid escape sequence" warning on Python 3.6+ #2996 + [timgraham] + +- Allow append_images to set .icns scaled images #3005 + [radarhere] + +- Support appending to existing PDFs #2965 + [vashek] + +- Fix and improve efficient saving of ICNS on macOS #3004 + [radarhere] + +- Build: Enable pip cache in AppVeyor build #3009 + [thijstriemstra] + +- Trim trailing whitespace #2985 + [Metallicow] + +- Docs: Correct reference to Image.new method #3000 + [radarhere] + +- Rearrange ImageFilter classes into alphabetical order #2990 + [radarhere] + +- Test: Remove duplicate line #2983 + [radarhere] + +- Build: Update AppVeyor PyPy version #3003 + [radarhere] + +- Tiff: Open 8 bit Tiffs with 5 or 6 channels, discarding extra channels #2938 + [homm] + +- Readme: Added Twitter badge #2930 + [hugovk] + +- Removed __main__ code from ImageCms #2942 + [radarhere] + +- Test: Changed assert statements to unittest calls #2961 + [radarhere] + +- Depends: Update libimagequant to 2.11.10, raqm to 0.5.0, freetype to 2.9 #3036, #3017, #2957 + [radarhere] + +- Remove _imaging.crc32 in favor of builtin Python crc32 implementation #2935 + [wiredfool] + +- Move Tk directory to src directory #2928 + [hugovk] + +- Enable pip cache in Travis CI #2933 + [jdufresne] + +- Remove unused and duplicate imports #2927 + [radarhere] + +- Docs: Changed documentation references to 2.x to 2.7 #2921 + [radarhere] + +- Fix memory leak when opening webp files #2974 + [wiredfool] + +- Setup: Fix "TypeError: 'NoneType' object is not iterable" for PPC and CRUX #2951 + [hugovk] + +- Setup: Add libdirs for ppc64le and armv7l #2968 + [nehaljwani] + 5.0.0 (2018-01-01) ------------------ @@ -16,13 +1875,13 @@ Changelog (Pillow) - Dynamically link libraqm #2753 [wiredfool] - + - Removed scripts directory #2901 [wiredfool] - + - TIFF: Run all compressed tiffs through libtiff decoder #2899 [wiredfool] - + - GIF: Add disposal option when saving GIFs #2902 [linnil1, wiredfool] @@ -39,7 +1898,7 @@ Changelog (Pillow) [wiredfool] - Test: avoid random failure in test_effect_noise #2894 - [hugovk] + [hugovk] - Increased epsilon for test_file_eps.py:test_showpage due to Arch update. #2896 [wiredfool] @@ -83,7 +1942,7 @@ Changelog (Pillow) - Add eog support for Ubuntu Image Viewer #2864 [NafisFaysal] -- Test: Test on 3.7-dev on Travis.ci #2870 +- Test: Test on 3.7-dev on Travis CI #2870 [hugovk] - Dependencies: Update libtiff to 4.0.9 #2871 @@ -122,7 +1981,7 @@ Changelog (Pillow) - GIF: Permit LZW code lengths up to 12 bits in GIF decode #2813 [wiredfool] -- Fix unterminiated string and unchecked exception in _font_text_asBytes. #2825 +- Fix unterminated string and unchecked exception in _font_text_asBytes. #2825 [wiredfool] - PPM: Use fixed list of whitespace, rather relying on locale, fixes #272. #2831 @@ -212,7 +2071,7 @@ Changelog (Pillow) - Fixed doc syntax in ImageDraw #2752 [radarhere] -- Fixed support for building on Windows/msys2. Added Appveyor CI coverage for python3 on msys2 #2476 +- Fixed support for building on Windows/msys2. Added Appveyor CI coverage for python3 on msys2 #2746 [wiredfool] - Fix ValueError in Exif/Tiff IFD #2719 @@ -284,7 +2143,7 @@ Changelog (Pillow) - Use RGBX rawmode for RGB JPEG images where possible #1989 [homm] -- Remove palettes from non-palette modes in _new #2702 +- Remove palettes from non-palette modes in _new #2704 [wiredfool] - Delete transparency info when convert'ing RGB/L to RGBA #2633 @@ -404,7 +2263,7 @@ Changelog (Pillow) - Doc: Clarified Image.save:append_images documentation #2604 [radarhere] -- CI: Amazon Linux and Centos6 docker images added to TravisCI #2585 +- CI: Amazon Linux and Centos6 docker images added to Travis CI #2585 [wiredfool] - Image.alpha_composite added #2595 @@ -434,7 +2293,7 @@ Changelog (Pillow) - Add decompression bomb check to Image.crop #2410 [wiredfool] -- ImageFile: Ensure that the `err_code` variable is initialized in case of exception. #2363 +- ImageFile: Ensure that the ``err_code`` variable is initialized in case of exception. #2363 [alexkiro] - Tiff: Support append_images for saving multipage TIFFs #2406 @@ -473,7 +2332,7 @@ Changelog (Pillow) - Update Feature Detection #2520 [wiredfool] -- CI: Update pypy on TravisCI #2573 +- CI: Update pypy on Travis CI #2573 [hugovk] - ImageMorph: Fix wrong expected size of MRLs read from disk #2561 @@ -575,7 +2434,7 @@ Changelog (Pillow) - Doc: Reordered operating systems in Compatibility Matrix #2436 [radarhere] -- Test: Additional tests for BurfStub, Eps, Container, GribStub, IPTC, Wmf, XVThumb, ImageDraw, ImageMorph ImageShow #2425 +- Test: Additional tests for BufrStub, Eps, Container, GribStub, IPTC, Wmf, XVThumb, ImageDraw, ImageMorph, ImageShow #2425 [radarhere] - Health fixes #2437 @@ -671,7 +2530,7 @@ Changelog (Pillow) - Removed PIL 1.0 era TK readme that concerns Windows 95/NT #2360 [wiredfool] -- Prevent `nose -v` printing docstrings #2369 +- Prevent ``nose -v`` printing docstrings #2369 [hugovk] - Replaced absolute PIL imports with relative imports #2349 @@ -707,10 +2566,10 @@ Changelog (Pillow) - Add center and translate option to Image.rotate. #2328 [lambdafu] -- Test: Relax WMF test condition, fixes #2323 +- Test: Relax WMF test condition, fixes #2323. #2327 [wiredfool] -- Allow 0 size images, Fixes #2259, Reverts to pre-3.4 behavior. +- Allow 0 size images, Fixes #2259, Reverts to pre-3.4 behavior. #2262 [wiredfool] - SGI: Save uncompressed SGI/BW/RGB/RGBA files #2325 @@ -760,7 +2619,7 @@ Changelog (Pillow) - Test: Faster assert_image_similar #2279 [homm] -- Removed depreciated internal "stretch" method #2276 +- Removed deprecated internal "stretch" method #2276 [homm] - Removed the handles_eof flag in decode.c #2223 @@ -1041,10 +2900,10 @@ Changelog (Pillow) 3.3.2 (2016-10-03) ------------------ -- Fix negative image sizes in Storage.c #2105 +- Fix negative image sizes in Storage.c #2146 [wiredfool] -- Fix integer overflow in map.c #2105 +- Fix integer overflow in map.c #2146 [wiredfool] 3.3.1 (2016-08-18) @@ -1116,7 +2975,7 @@ Changelog (Pillow) - Changed depends/install_*.sh urls to point to github pillow-depends repo #1983 [wiredfool] -- Allow ICC profile from `encoderinfo` while saving PNGs #1909 +- Allow ICC profile from ``encoderinfo`` while saving PNGs #1909 [homm] - Fix integer overflow on ILP32 systems (32-bit Linux). #1975 @@ -1182,7 +3041,7 @@ Changelog (Pillow) - Skip tests that require libtiff if it is not installed #1893 (fixes #1866) [wiredfool] -- Skip test when icc profile is not available, fixes #1887 +- Skip test when icc profile is not available, fixes #1887. #1892 [doko42] - Make deprecated functions raise NotImplementedError instead of Exception. #1862, #1890 @@ -1559,7 +3418,7 @@ Changelog (Pillow) - Added PDF multipage saving #1445 [radarhere] -- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype `file` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343 +- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype ``file`` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343 [radarhere] - Load more broken images #1428 @@ -1787,7 +3646,7 @@ Changelog (Pillow) 2.8.1 (2015-04-02) ------------------ -- Bug fix: Catch struct.error on invalid JPEG, fixes #1163 +- Bug fix: Catch struct.error on invalid JPEG, fixes #1163. #1165 [wiredfool, hugovk] 2.8.0 (2015-04-01) @@ -1922,7 +3781,7 @@ Changelog (Pillow) - Updated manifest #957 [wiredfool] -- Fix PyPy 2.4 regression #952 +- Fix PyPy 2.4 regression #958 [wiredfool] - Webp Metadata Skip Test comments #954 @@ -1964,7 +3823,7 @@ Changelog (Pillow) - Use redistributable ICC profiles for testing, skip if not available #923 [wiredfool] -- Additional documentation for JPEG info and save options #890 +- Additional documentation for JPEG info and save options #922 [wiredfool] - Fix JPEG Encoding memory leak when exif or qtables were specified #921 @@ -2051,7 +3910,7 @@ Changelog (Pillow) - Doc cleanup [wiredfool] -- Fix `ImageStat` docs #796 +- Fix ``ImageStat`` docs #796 [akx] - Added docs for ExifTags #794 @@ -2488,7 +4347,7 @@ Changelog (Pillow) - Add RGBA support to ImageColor #309 [yoavweiss] -- Test for `str`, not `"utf-8"` #306 (fixes #304) +- Test for ``str``, not ``"utf-8"`` #306 (fixes #304) [mjpieters] - Fix missing import os in _util.py #303 @@ -2594,7 +4453,7 @@ Changelog (Pillow) - Partial work to add a wrapper for WebPGetFeatures to correctly support #220 (fixes #204) -- Significant performance improvement of `alpha_composite` function #156 +- Significant performance improvement of ``alpha_composite`` function #156 [homm] - Support explicitly disabling features via --disable-* options #240 @@ -2756,8 +4615,8 @@ Changelog (Pillow) 1.0 (07/30/2010) ---------------- -- Remove support for ``import Image``, etc. from the standard namespace. ``from PIL import Image`` etc. now required. -- Forked PIL based on `Hanno Schlichting's re-packaging `_ +- Remove support for ``import Image``. ``from PIL import Image`` now required. +- Forked PIL based on `Chris McDonough and Hanno Schlichting's setuptools compatible re-packaging `_ [aclark4life] Pre-fork @@ -2803,7 +4662,7 @@ Pre-fork This section may not be fully complete. For changes since this file was last updated, see the repository revision history: - https://bitbucket.org/effbot/pil-2009-raclette/commits/all + http://svn.effbot.org/public/pil/ (1.1.7 final) @@ -3532,7 +5391,7 @@ Pre-fork (1.1.3 final released) + Made setup.py look for old versions of zlib. For some back- - ground, see: http://www.gzip.org/zlib/advisory-2002-03-11.txt + ground, see: https://zlib.net/advisory-2002-03-11.txt (1.1.3c2 released) @@ -4237,23 +6096,23 @@ Pre-fork + Added keyword options to the "save" method. The following options are currently supported: - format option description + Format Option Description -------------------------------------------------------- - JPEG optimize minimize output file at the - expense of compression speed. + JPEG optimize Minimize output file at the + expense of compression speed. - JPEG progressive enable progressive output. the - option value is ignored. + JPEG progressive Enable progressive output. + The option value is ignored. - JPEG quality set compression quality (1-100). - the default value is 75. + JPEG quality Set compression quality (1-100). + The default value is 75. - JPEG smooth smooth dithered images. value - is strength (1-100). default is - off (0). + JPEG smooth Smooth dithered images. + Value is strength (1-100). + Default is off (0). - PNG optimize minimize output file at the - expense of compression speed. + PNG optimize Minimize output file at the + expense of compression speed. Expect more options in future releases. Also note that file writers silently ignore unknown options. @@ -4274,31 +6133,31 @@ Pre-fork + Various improvements to the sample scripts: "pilconvert" Carries out some extra tricks in order to make - the resulting file as small as possible. + the resulting file as small as possible. - "explode" (NEW) Split an image sequence into individual frames. + "explode" (NEW) Split an image sequence into individual frames. - "gifmaker" (NEW) Convert a sequence file into a GIF animation. - Note that the GIF encoder create "uncompressed" GIF - files, so animations created by this script are - rather large (typically 2-5 times the compressed - sizes). + "gifmaker" (NEW) Convert a sequence file into a GIF animation. + Note that the GIF encoder create "uncompressed" GIF + files, so animations created by this script are + rather large (typically 2-5 times the compressed + sizes). - "image2py" (NEW) Convert a single image to a python module. See - comments in this script for details. + "image2py" (NEW) Convert a single image to a python module. See + comments in this script for details. - "player" If multiple images are given on the command line, - they are interpreted as frames in a sequence. The - script assumes that they all have the same size. - Also note that this script now can play FLI/FLC - and GIF animations. + "player" If multiple images are given on the command line, + they are interpreted as frames in a sequence. The + script assumes that they all have the same size. + Also note that this script now can play FLI/FLC + and GIF animations. This player can also execute embedded Python animation applets (ARG format only). - "viewer" Transparent images ("P" with transparency property, - and "RGBA") are superimposed on the standard Tk back- - ground. + "viewer" Transparent images ("P" with transparency property, + and "RGBA") are superimposed on the standard Tk back- + ground. + Fixed colour argument to "new". For multilayer images, pass a tuple: (Red, Green, Blue), (Red, Green, Blue, Alpha), or (Cyan, @@ -4436,7 +6295,7 @@ Pre-fork any other pixel value means opaque. This is faster than using an "L" transparency mask. - + Properly writes EPS files (and properly prints images to postscript + + Properly writes EPS files (and properly prints images to PostScript printers as well). + Reads 4-bit BMP files, as well as 4 and 8-bit Windows ICO and CUR @@ -4519,7 +6378,7 @@ Pre-fork + Added the "pilfile" utility, which quickly identifies image files (without loading them, in most cases). - + Added the "pilprint" utility, which prints image files to Postscript + + Added the "pilprint" utility, which prints image files to PostScript printers. + Added a rudimentary version of the "pilview" utility, which is @@ -4533,5 +6392,5 @@ Pre-fork Jack). This allows you to read images through the Img extensions file format handlers. See the file "Lib/ImgExtImagePlugin.py" for details. - + Postscript printing is provided through the PSDraw module. See the + + PostScript printing is provided through the PSDraw module. See the handbook for details. diff --git a/LICENSE b/LICENSE index 80456a75386..40aabc3239f 100644 --- a/LICENSE +++ b/LICENSE @@ -5,12 +5,26 @@ The Python Imaging Library (PIL) is Pillow is the friendly PIL fork. It is - Copyright © 2010-2018 by Alex Clark and contributors + Copyright © 2010-2022 by Alex Clark and contributors -Like PIL, Pillow is licensed under the open source PIL Software License: +Like PIL, Pillow is licensed under the open source HPND License: -By obtaining, using, and/or copying this software and/or its associated documentation, you agree that you have read, understood, and will comply with the following terms and conditions: +By obtaining, using, and/or copying this software and/or its associated +documentation, you agree that you have read, understood, and will comply +with the following terms and conditions: -Permission to use, copy, modify, and distribute this software and its associated documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appears in all copies, and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Secret Labs AB or the author not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. +Permission to use, copy, modify, and distribute this software and its +associated documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appears in all copies, and that +both that copyright notice and this permission notice appear in supporting +documentation, and that the name of Secret Labs AB or the author not be +used in advertising or publicity pertaining to distribution of the software +without specific, written prior permission. -SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. +IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR BE LIABLE FOR ANY SPECIAL, +INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. diff --git a/MANIFEST.in b/MANIFEST.in index 865e51697db..26f9401f2d9 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -1,32 +1,31 @@ - include *.c include *.h include *.in +include *.lock include *.md include *.py include *.rst include *.sh include *.txt +include *.yaml include LICENSE include Makefile +include Pipfile +include tox.ini graft Tests graft src -graft Tk graft depends graft winbuild graft docs -prune docs/_static # build/src control detritus +exclude .appveyor.yml +exclude .clang-format exclude .coveragerc -exclude codecov.yml exclude .editorconfig -exclude .landscape.yaml -exclude .travis -exclude .travis/* -exclude appveyor.yml -exclude build_children.sh -exclude tox.ini +exclude .readthedocs.yml +exclude codecov.yml global-exclude .git* global-exclude *.pyc global-exclude *.so +prune .ci diff --git a/Makefile b/Makefile index 1e888ee3512..0dac63d3961 100644 --- a/Makefile +++ b/Makefile @@ -1,37 +1,34 @@ -# https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html -.PHONY: clean coverage doc docserve help inplace install install-req release-test sdist test upload upload-test -.DEFAULT_GOAL := release-test +.DEFAULT_GOAL := help +.PHONY: clean clean: - python setup.py clean + python3 setup.py clean rm src/PIL/*.so || true rm -r build || true find . -name __pycache__ | xargs rm -r || true -BRANCHES=`git branch -a | grep -v HEAD | grep -v master | grep remote` -co: - -for i in $(BRANCHES) ; do \ - git checkout -t $$i ; \ - done - +.PHONY: coverage coverage: - python selftest.py - python setup.py test + pytest -qq rm -r htmlcov || true coverage report +.PHONY: doc doc: $(MAKE) -C docs html +.PHONY: doccheck doccheck: $(MAKE) -C docs html # Don't make our tests rely on the links in the docs being up every single build. # We don't control them. But do check, and update them to the target of their redirects. $(MAKE) -C docs linkcheck || true +.PHONY: docserve docserve: - cd docs/_build/html && python -mSimpleHTTPServer 2> /dev/null& + cd docs/_build/html && python3 -m http.server 2> /dev/null& +.PHONY: help help: @echo "Welcome to Pillow development. Please use \`make \` where is one of" @echo " clean remove build products" @@ -43,64 +40,87 @@ help: @echo " install make and install" @echo " install-coverage make and install with C coverage" @echo " install-req install documentation and test dependencies" - @echo " install-venv install in virtualenv" + @echo " install-venv (deprecated) install in virtualenv" + @echo " lint run the lint checks" + @echo " lint-fix run black and isort to (mostly) fix lint issues." @echo " release-test run code and package tests before release" @echo " test run tests on installed pillow" @echo " upload build and upload sdists to PyPI" @echo " upload-test build and upload sdists to test.pythonpackages.com" +.PHONY: inplace inplace: clean - python setup.py develop build_ext --inplace + python3 -m pip install -e --global-option="build_ext" --global-option="--inplace" . +.PHONY: install install: - python setup.py install - python selftest.py + python3 -m pip install . + python3 selftest.py +.PHONY: install-coverage install-coverage: - CFLAGS="-coverage" python setup.py build_ext install - python selftest.py + CFLAGS="-coverage -Werror=implicit-function-declaration" python3 -m pip install --global-option="build_ext" . + python3 selftest.py +.PHONY: debug debug: # make a debug version if we don't have a -dbg python. Leaves in symbols # for our stuff, kills optimization, and redirects to dev null so we # see any build failures. make clean > /dev/null - CFLAGS='-g -O0' python setup.py build_ext install > /dev/null + CFLAGS='-g -O0' python3 -m pip install --global-option="build_ext" . > /dev/null +.PHONY: install-req install-req: - pip install -r requirements.txt + python3 -m pip install -r requirements.txt +.PHONY: install-venv install-venv: + echo "'install-venv' is deprecated and will be removed in a future Pillow release" virtualenv . bin/pip install -r requirements.txt +.PHONY: release-test release-test: $(MAKE) install-req - python setup.py develop - python selftest.py - python -m pytest Tests - python setup.py install - python -m pytest -qq + python3 -m pip install -e . + python3 selftest.py + python3 -m pytest Tests + python3 -m pip install . + -rm dist/*.egg + -rmdir dist + python3 -m pytest -qq check-manifest pyroma . - viewdoc + $(MAKE) readme +.PHONY: sdist sdist: - python setup.py sdist --format=gztar + python3 -m build --help > /dev/null 2>&1 || python3 -m pip install build + python3 -m build --sdist +.PHONY: test test: pytest -qq -# https://docs.python.org/2/distutils/packageindex.html#the-pypirc-file -upload-test: -# [test] -# username: -# password: -# repository = http://test.pythonpackages.com - python setup.py sdist --format=gztar upload -r test - -upload: - python setup.py sdist --format=gztar upload +.PHONY: valgrind +valgrind: + python3 -c "import pytest_valgrind" || pip3 install pytest-valgrind + PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp --leak-check=no \ + --log-file=/tmp/valgrind-output \ + python3 -m pytest --no-memcheck -vv --valgrind --valgrind-log=/tmp/valgrind-output +.PHONY: readme readme: - viewdoc + python3 setup.py --long-description | markdown2 > .long-description.html && open .long-description.html + + +.PHONY: lint +lint: + tox --help > /dev/null || python3 -m pip install tox + tox -e lint + +.PHONY: lint-fix +lint-fix: + black --target-version py37 . + isort . diff --git a/Pipfile b/Pipfile new file mode 100644 index 00000000000..1e611a63ce7 --- /dev/null +++ b/Pipfile @@ -0,0 +1,22 @@ +[[source]] +url = "https://pypi.org/simple" +verify_ssl = true +name = "pypi" + +[packages] +black = "*" +check-manifest = "*" +coverage = "*" +defusedxml = "*" +packaging = "*" +markdown2 = "*" +olefile = "*" +pyroma = "*" +pytest = "*" +pytest-cov = "*" +pytest-timeout = "*" + +[dev-packages] + +[requires] +python_version = "3.9" diff --git a/Pipfile.lock b/Pipfile.lock new file mode 100644 index 00000000000..600b19050f5 --- /dev/null +++ b/Pipfile.lock @@ -0,0 +1,324 @@ +{ + "_meta": { + "hash": { + "sha256": "e5cad23bf4187647d53b613a64dc4792b7064bf86b08dfb5737580e32943f54d" + }, + "pipfile-spec": 6, + "requires": { + "python_version": "3.9" + }, + "sources": [ + { + "name": "pypi", + "url": "https://pypi.org/simple", + "verify_ssl": true + } + ] + }, + "default": { + "attrs": { + "hashes": [ + 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+1,108 @@ +

+ Pillow logo +

+ +# Pillow + +## Python Imaging Library (Fork) + +Pillow is the friendly PIL fork by [Alex Clark and +Contributors](https://github.com/python-pillow/Pillow/graphs/contributors). +PIL is the Python Imaging Library by Fredrik Lundh and Contributors. +As of 2019, Pillow development is +[supported by Tidelift](https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pypi-pillow&utm_medium=readme&utm_campaign=enterprise). + + + + + + + + + + + + + + + + + + +
docs + Documentation Status +
tests + GitHub Actions build status (Lint) + GitHub Actions build status (Test Linux and macOS) + GitHub Actions build status (Test Windows) + GitHub Actions build status (Test Docker) + AppVeyor CI build status (Windows) + GitHub Actions wheels build status (Wheels) + Travis CI wheels build status (aarch64) + Code coverage + Tidelift Align +
package + Zenodo + Tidelift + Newest PyPI version + Number of PyPI downloads +
social + Join the chat at https://gitter.im/python-pillow/Pillow + Follow on https://twitter.com/PythonPillow +
+ +## Overview + +The Python Imaging Library adds image processing capabilities to your Python interpreter. + +This library provides extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities. + +The core image library is designed for fast access to data stored in a few basic pixel formats. It should provide a solid foundation for a general image processing tool. + +## More Information + +- [Documentation](https://pillow.readthedocs.io/) + - [Installation](https://pillow.readthedocs.io/en/latest/installation.html) + - [Handbook](https://pillow.readthedocs.io/en/latest/handbook/index.html) +- [Contribute](https://github.com/python-pillow/Pillow/blob/main/.github/CONTRIBUTING.md) + - [Issues](https://github.com/python-pillow/Pillow/issues) + - [Pull requests](https://github.com/python-pillow/Pillow/pulls) +- [Release notes](https://pillow.readthedocs.io/en/stable/releasenotes/index.html) +- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst) + - [Pre-fork](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst#pre-fork) + +## Report a Vulnerability + +To report a security vulnerability, please follow the procedure described in the [Tidelift security policy](https://tidelift.com/docs/security). diff --git a/README.rst b/README.rst deleted file mode 100644 index e217ba29d5e..00000000000 --- a/README.rst +++ /dev/null @@ -1,73 +0,0 @@ -Pillow -====== - -Python Imaging Library (Fork) ------------------------------ - -Pillow is the friendly PIL fork by `Alex Clark and Contributors `_. PIL is the Python Imaging Library by Fredrik Lundh and Contributors. - -.. start-badges - -.. list-table:: - :stub-columns: 1 - - * - docs - - |docs| - * - tests - - | |linux| |macos| |windows| |coverage| - * - package - - |zenodo| |version| - * - chat - - |gitter| - -.. |docs| image:: https://readthedocs.org/projects/pillow/badge/?version=latest - :target: https://pillow.readthedocs.io/?badge=latest - :alt: Documentation Status - -.. |linux| image:: https://img.shields.io/travis/python-pillow/Pillow/master.svg?label=Linux%20build - :target: https://travis-ci.org/python-pillow/Pillow - :alt: Travis CI build status (Linux) - -.. |macos| image:: https://img.shields.io/travis/python-pillow/pillow-wheels/latest.svg?label=macOS%20build - :target: https://travis-ci.org/python-pillow/pillow-wheels - :alt: Travis CI build status (macOS) - -.. |windows| image:: https://img.shields.io/appveyor/ci/python-pillow/Pillow/master.svg?label=Windows%20build - :target: https://ci.appveyor.com/project/python-pillow/Pillow - :alt: AppVeyor CI build status (Windows) - -.. |coverage| image:: https://coveralls.io/repos/python-pillow/Pillow/badge.svg?branch=master&service=github - :target: https://coveralls.io/github/python-pillow/Pillow?branch=master - :alt: Code coverage - -.. |zenodo| image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg - :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow - -.. |version| image:: https://img.shields.io/pypi/v/pillow.svg - :target: https://pypi.python.org/pypi/Pillow/ - :alt: Latest PyPI version - -.. |gitter| image:: https://badges.gitter.im/python-pillow/Pillow.svg - :target: https://gitter.im/python-pillow/Pillow?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge - :alt: Join the chat at https://gitter.im/python-pillow/Pillow - -.. end-badges - - - -More Information ----------------- - -- `Documentation `_ - - - `Installation `_ - - `Handbook `_ - -- `Contribute `_ - - - `Issues `_ - - `Pull requests `_ - -- `Changelog `_ - - - `Pre-fork `_ diff --git a/RELEASING.md b/RELEASING.md index d72401bd58c..cbedd449c0c 100644 --- a/RELEASING.md +++ b/RELEASING.md @@ -1,106 +1,130 @@ # Release Checklist +See https://pillow.readthedocs.io/en/stable/releasenotes/versioning.html for +information about how the version numbers line up with releases. + ## Main Release -Released quarterly on the first day of January, April, July, October. +Released quarterly on January 2nd, April 1st, July 1st and October 15th. -* [ ] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174 -* [ ] Develop and prepare release in ``master`` branch. -* [ ] Check [Travis CI](https://travis-ci.org/python-pillow/Pillow) and [AppVeyor CI](https://ci.appveyor.com/project/python-pillow/Pillow) to confirm passing tests in ``master`` branch. -* [ ] Check that all of the wheel builds [Pillow Wheel Builder](https://github.com/python-pillow/pillow-wheels) pass the tests in TravisCI. -* [ ] In compliance with https://www.python.org/dev/peps/pep-0440/, update version identifier in `PIL/version.py` +* [ ] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/3154 +* [ ] Develop and prepare release in `main` branch. +* [ ] Check [GitHub Actions](https://github.com/python-pillow/Pillow/actions) and [AppVeyor](https://ci.appveyor.com/project/python-pillow/Pillow) to confirm passing tests in `main` branch. +* [ ] Check that all of the wheel builds [Pillow Wheel Builder](https://github.com/python-pillow/pillow-wheels) pass the tests in Travis CI and GitHub Actions. +* [ ] In compliance with [PEP 440](https://www.python.org/dev/peps/pep-0440/), update version identifier in `src/PIL/_version.py` * [ ] Update `CHANGES.rst`. * [ ] Run pre-release check via `make release-test` in a freshly cloned repo. * [ ] Create branch and tag for release e.g.: -``` - $ git branch 2.9.x - $ git tag 2.9.0 - $ git push --all - $ git push --tags -``` -* [ ] Create source distributions e.g.: -``` - $ make sdist -``` -* [ ] Create [binary distributions](#binary-distributions) -* [ ] Upload all binaries and source distributions with ``twine upload dist/Pillow-4.1.0-*`` -* [ ] Manually hide old versions on PyPI such that only the latest major release is visible when viewing https://pypi.python.org/pypi/Pillow (https://pypi.python.org/pypi?:action=pkg_edit&name=Pillow) + ```bash + git branch 5.2.x + git tag 5.2.0 + git push --all + git push --tags + ``` +* [ ] Create and check source distribution: + ```bash + make sdist + twine check dist/* + ``` +* [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#binary-distributions) +* [ ] Check and upload all binaries and source distributions e.g.: + ```bash + twine check dist/* + twine upload dist/Pillow-5.2.0* + ``` +* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases) +* [ ] In compliance with [PEP 440](https://www.python.org/dev/peps/pep-0440/), increment and append `.dev0` to version identifier in `src/PIL/_version.py` ## Point Release Released as needed for security, installation or critical bug fixes. -* [ ] Make necessary changes in ``master`` branch. +* [ ] Make necessary changes in `main` branch. * [ ] Update `CHANGES.rst`. -* [ ] Cherry pick individual commits from ``master`` branch to release branch e.g. ``2.9.x``. -* [ ] Check [Travis CI](https://travis-ci.org/python-pillow/Pillow) to confirm passing tests in release branch e.g. ``2.9.x``. -* [ ] Checkout release branch e.g.: -``` - git checkout -t remotes/origin/2.9.x -``` -* [ ] In compliance with https://www.python.org/dev/peps/pep-0440/, update version identifier in `PIL/version.py` +* [ ] Check out release branch e.g.: + ```bash + git checkout -t remotes/origin/5.2.x + ``` +* [ ] Cherry pick individual commits from `main` branch to release branch e.g. `5.2.x`, then `git push`. + + + +* [ ] Check [GitHub Actions](https://github.com/python-pillow/Pillow/actions) and [AppVeyor](https://ci.appveyor.com/project/python-pillow/Pillow) to confirm passing tests in release branch e.g. `5.2.x`. +* [ ] In compliance with [PEP 440](https://www.python.org/dev/peps/pep-0440/), update version identifier in `src/PIL/_version.py` * [ ] Run pre-release check via `make release-test`. * [ ] Create tag for release e.g.: -``` - $ git tag 2.9.1 - $ git push --tags -``` -* [ ] Create source distributions e.g.: -``` - $ make sdist -``` -* [ ] Create [binary distributions](#binary-distributions) + ```bash + git tag 5.2.1 + git push + git push --tags + ``` +* [ ] Create and check source distribution: + ```bash + make sdist + twine check dist/* + ``` +* [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#binary-distributions) +* [ ] Check and upload all binaries and source distributions e.g.: + ```bash + twine check dist/* + twine upload dist/Pillow-5.2.1* + ``` +* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases) ## Embargoed Release Released as needed privately to individual vendors for critical security-related bug fixes. * [ ] Prepare patch for all versions that will get a fix. Test against local installations. -* [ ] Commit against master, cherry pick to affected release branches. +* [ ] Commit against `main`, cherry pick to affected release branches. * [ ] Run local test matrix on each release & Python version. * [ ] Privately send to distros. * [ ] Run pre-release check via `make release-test` * [ ] Amend any commits with the CVE # * [ ] On release date, tag and push to GitHub. -``` - git checkout 2.5.x - git tag 2.5.3 - git push origin 2.5.x - git push origin --tags -``` -* [ ] Create source distributions e.g.: -``` - $ make sdist -``` -* [ ] Create [binary distributions](#binary-distributions) + ```bash + git checkout 2.5.x + git tag 2.5.3 + git push origin 2.5.x + git push origin --tags + ``` +* [ ] Create and check source distribution: + ```bash + make sdist + twine check dist/* + ``` +* [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/main/RELEASING.md#binary-distributions) +* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases) ## Binary Distributions ### Windows -* [ ] Contact @cgohlke for Windows binaries via release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174. -* [ ] Download and extract tarball from @cgohlke and ``twine upload *``. +* [ ] Contact `@cgohlke` for Windows binaries via release ticket e.g. https://github.com/python-pillow/Pillow/issues/1174. +* [ ] Download and extract tarball from `@cgohlke` and copy into `dist/` ### Mac and Linux * [ ] Use the [Pillow Wheel Builder](https://github.com/python-pillow/pillow-wheels): -``` - $ git checkout https://github.com/python-pillow/pillow-wheels - $ cd pillow-wheels - $ git submodule init - $ git submodule update - $ cd Pillow - $ git fetch --all - $ git checkout [[release tag]] - $ cd .. - $ git commit -m "Pillow -> 2.9.0" Pillow - $ git push -``` -* [ ] Download distributions from the [Pillow Wheel Builder container](http://a365fff413fe338398b6-1c8a9b3114517dc5fe17b7c3f8c63a43.r19.cf2.rackcdn.com/). - + ```bash + git clone https://github.com/python-pillow/pillow-wheels + cd pillow-wheels + ./update-pillow-tag.sh [[release tag]] + ``` +* [ ] Download wheels from the [Pillow Wheel Builder release](https://github.com/python-pillow/pillow-wheels/releases) + and copy into `dist/` ## Publicize Release -* [ ] Announce release availability via [Twitter](https://twitter.com/pythonpillow) e.g. https://twitter.com/aclark4life/status/583366798302691328. +* [ ] Announce release availability via [Twitter](https://twitter.com/pythonpillow) e.g. https://twitter.com/PythonPillow/status/1013789184354603010 ## Documentation -* [ ] Make sure the default version for Read the Docs is the latest release version, e.g. ``3.1.x`` rather than ``latest``: https://readthedocs.org/projects/pillow/versions/ +* [ ] Make sure the [default version for Read the Docs](https://pillow.readthedocs.io/en/stable/) is up-to-date with the release changes + +## Docker Images + +* [ ] Update Pillow in the Docker Images repository + ```bash + git clone https://github.com/python-pillow/docker-images + cd docker-images + ./update-pillow-tag.sh [[release tag]] + ``` diff --git a/Tests/32bit_segfault_check.py b/Tests/32bit_segfault_check.py index a601f762e85..e19cdf7a918 100755 --- a/Tests/32bit_segfault_check.py +++ b/Tests/32bit_segfault_check.py @@ -1,8 +1,8 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 -from PIL import Image import sys +from PIL import Image -if sys.maxsize < 2**32: - im = Image.new('L', (999999, 999999), 0) +if sys.maxsize < 2 ** 32: + im = Image.new("L", (999999, 999999), 0) diff --git a/Tests/README.rst b/Tests/README.rst index 44f6f4792f1..55464578702 100644 --- a/Tests/README.rst +++ b/Tests/README.rst @@ -1,40 +1,32 @@ Pillow Tests ============ -Test scripts are named ``test_xxx.py`` and use the ``unittest`` module. A base class and helper functions can be found in ``helper.py``. +Test scripts are named ``test_xxx.py``. Helper classes and functions can be found in ``helper.py``. Dependencies ------------ +------------ Install:: - pip install pytest pytest-cov + python3 -m pip install pytest pytest-cov Execution --------- -**If Pillow has been built in-place** - To run an individual test:: - python Tests/test_image.py + pytest Tests/test_image.py + +Or:: + + pytest -k test_image.py Run all the tests from the root of the Pillow source distribution:: - pytest -vx Tests + pytest Or with coverage:: - pytest -vx --cov PIL --cov-report term Tests + pytest --cov PIL --cov Tests --cov-report term coverage html open htmlcov/index.html - -**If Pillow has been installed** - -To run an individual test:: - - pytest -k Tests/test_image.py - -Run all the tests from the root of the Pillow source distribution:: - - pytest diff --git a/Tests/__init__.py b/Tests/__init__.py new file mode 100644 index 00000000000..e69de29bb2d diff --git a/Tests/bench_cffi_access.py b/Tests/bench_cffi_access.py index 30001716811..87cad699d3b 100644 --- a/Tests/bench_cffi_access.py +++ b/Tests/bench_cffi_access.py @@ -1,10 +1,10 @@ -from helper import unittest, PillowTestCase, hopper - -# Not running this test by default. No DOS against Travis CI. +import time from PIL import PyAccess -import time +from .helper import hopper + +# Not running this test by default. No DOS against CI. def iterate_get(size, access): @@ -26,33 +26,33 @@ def timer(func, label, *args): starttime = time.time() for x in range(iterations): func(*args) - if time.time()-starttime > 10: - print("%s: breaking at %s iterations, %.6f per iteration" % ( - label, x+1, (time.time()-starttime)/(x+1.0))) + if time.time() - starttime > 10: + print( + "{}: breaking at {} iterations, {:.6f} per iteration".format( + label, x + 1, (time.time() - starttime) / (x + 1.0) + ) + ) break - if x == iterations-1: + if x == iterations - 1: endtime = time.time() - print("%s: %.4f s %.6f per iteration" % ( - label, endtime-starttime, (endtime-starttime)/(x+1.0))) - - -class BenchCffiAccess(PillowTestCase): - - def test_direct(self): - im = hopper() - im.load() - # im = Image.new( "RGB", (2000, 2000), (1, 3, 2)) - caccess = im.im.pixel_access(False) - access = PyAccess.new(im, False) - - self.assertEqual(caccess[(0, 0)], access[(0, 0)]) - - print("Size: %sx%s" % im.size) - timer(iterate_get, 'PyAccess - get', im.size, access) - timer(iterate_set, 'PyAccess - set', im.size, access) - timer(iterate_get, 'C-api - get', im.size, caccess) - timer(iterate_set, 'C-api - set', im.size, caccess) - - -if __name__ == '__main__': - unittest.main() + print( + "{}: {:.4f} s {:.6f} per iteration".format( + label, endtime - starttime, (endtime - starttime) / (x + 1.0) + ) + ) + + +def test_direct(): + im = hopper() + im.load() + # im = Image.new( "RGB", (2000, 2000), (1, 3, 2)) + caccess = im.im.pixel_access(False) + access = PyAccess.new(im, False) + + assert caccess[(0, 0)] == access[(0, 0)] + + print("Size: %sx%s" % im.size) + timer(iterate_get, "PyAccess - get", im.size, access) + timer(iterate_set, "PyAccess - set", im.size, access) + timer(iterate_get, "C-api - get", im.size, caccess) + timer(iterate_set, "C-api - set", im.size, caccess) diff --git a/Tests/bench_get.py b/Tests/bench_get.py deleted file mode 100644 index 51f3a6aa228..00000000000 --- a/Tests/bench_get.py +++ /dev/null @@ -1,21 +0,0 @@ -import helper -import timeit - -import sys -sys.path.insert(0, ".") - - -def bench(mode): - im = helper.hopper(mode) - get = im.im.getpixel - xy = 50, 50 # position shouldn't really matter - t0 = timeit.default_timer() - for _ in range(1000000): - get(xy) - print(mode, timeit.default_timer() - t0, "us") - -bench("L") -bench("I") -bench("I;16") -bench("F") -bench("RGB") diff --git a/Tests/check_fli_oob.py b/Tests/check_fli_oob.py new file mode 100644 index 00000000000..7b3d4d7ee9d --- /dev/null +++ b/Tests/check_fli_oob.py @@ -0,0 +1,68 @@ +#!/usr/bin/env python3 + +from PIL import Image + +repro_ss2 = ( + "images/fli_oob/06r/06r00.fli", + "images/fli_oob/06r/others/06r01.fli", + "images/fli_oob/06r/others/06r02.fli", + "images/fli_oob/06r/others/06r03.fli", + "images/fli_oob/06r/others/06r04.fli", +) + +repro_lc = ( + "images/fli_oob/05r/05r00.fli", + "images/fli_oob/05r/others/05r03.fli", + "images/fli_oob/05r/others/05r06.fli", + "images/fli_oob/05r/others/05r05.fli", + "images/fli_oob/05r/others/05r01.fli", + "images/fli_oob/05r/others/05r04.fli", + "images/fli_oob/05r/others/05r02.fli", + "images/fli_oob/05r/others/05r07.fli", + "images/fli_oob/patch0/000000", + "images/fli_oob/patch0/000001", + "images/fli_oob/patch0/000002", + "images/fli_oob/patch0/000003", +) + + +repro_advance = ( + "images/fli_oob/03r/03r00.fli", + "images/fli_oob/03r/others/03r01.fli", + "images/fli_oob/03r/others/03r09.fli", + "images/fli_oob/03r/others/03r11.fli", + "images/fli_oob/03r/others/03r05.fli", + "images/fli_oob/03r/others/03r10.fli", + "images/fli_oob/03r/others/03r06.fli", + "images/fli_oob/03r/others/03r08.fli", + "images/fli_oob/03r/others/03r03.fli", + "images/fli_oob/03r/others/03r07.fli", + "images/fli_oob/03r/others/03r02.fli", + "images/fli_oob/03r/others/03r04.fli", +) + +repro_brun = ( + "images/fli_oob/04r/initial.fli", + "images/fli_oob/04r/others/04r02.fli", + "images/fli_oob/04r/others/04r05.fli", + "images/fli_oob/04r/others/04r04.fli", + "images/fli_oob/04r/others/04r03.fli", + "images/fli_oob/04r/others/04r01.fli", + "images/fli_oob/04r/04r00.fli", +) + +repro_copy = ( + "images/fli_oob/02r/others/02r02.fli", + "images/fli_oob/02r/others/02r04.fli", + "images/fli_oob/02r/others/02r03.fli", + "images/fli_oob/02r/others/02r01.fli", + "images/fli_oob/02r/02r00.fli", +) + + +for path in repro_ss2 + repro_lc + repro_advance + repro_brun + repro_copy: + with Image.open(path) as im: + try: + im.load() + except Exception as msg: + print(msg) diff --git a/Tests/check_fli_overflow.py b/Tests/check_fli_overflow.py index 9b370da3ca0..08a55d349d5 100644 --- a/Tests/check_fli_overflow.py +++ b/Tests/check_fli_overflow.py @@ -1,16 +1,10 @@ -from helper import unittest, PillowTestCase from PIL import Image TEST_FILE = "Tests/images/fli_overflow.fli" -class TestFliOverflow(PillowTestCase): - def test_fli_overflow(self): +def test_fli_overflow(): - # this should not crash with a malloc error or access violation - im = Image.open(TEST_FILE) + # this should not crash with a malloc error or access violation + with Image.open(TEST_FILE) as im: im.load() - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/check_icns_dos.py b/Tests/check_icns_dos.py index e56709bbb2f..a34bee45c51 100644 --- a/Tests/check_icns_dos.py +++ b/Tests/check_icns_dos.py @@ -1,11 +1,9 @@ # Tests potential DOS of IcnsImagePlugin with 0 length block. # Run from anywhere that PIL is importable. -from PIL import Image from io import BytesIO -if bytes is str: - Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00'))) -else: - Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00', - 'latin-1'))) +from PIL import Image + +with Image.open(BytesIO(b"icns\x00\x00\x00\x10hang\x00\x00\x00\x00")): + pass diff --git a/Tests/check_imaging_leaks.py b/Tests/check_imaging_leaks.py index a31cd2180a4..d07082aba9f 100755 --- a/Tests/check_imaging_leaks.py +++ b/Tests/check_imaging_leaks.py @@ -1,44 +1,45 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 +import pytest -from __future__ import division -from helper import unittest, PillowTestCase -import sys from PIL import Image +from .helper import is_win32 + min_iterations = 100 max_iterations = 10000 +pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") + + +def _get_mem_usage(): + from resource import RUSAGE_SELF, getpagesize, getrusage + + mem = getrusage(RUSAGE_SELF).ru_maxrss + return mem * getpagesize() / 1024 / 1024 + + +def _test_leak(min_iterations, max_iterations, fn, *args, **kwargs): + mem_limit = None + for i in range(max_iterations): + fn(*args, **kwargs) + mem = _get_mem_usage() + if i < min_iterations: + mem_limit = mem + 1 + continue + msg = f"memory usage limit exceeded after {i + 1} iterations" + assert mem <= mem_limit, msg + + +def test_leak_putdata(): + im = Image.new("RGB", (25, 25)) + _test_leak(min_iterations, max_iterations, im.putdata, im.getdata()) + -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestImagingLeaks(PillowTestCase): - - def _get_mem_usage(self): - from resource import getpagesize, getrusage, RUSAGE_SELF - mem = getrusage(RUSAGE_SELF).ru_maxrss - return mem * getpagesize() / 1024 / 1024 - - def _test_leak(self, min_iterations, max_iterations, fn, *args, **kwargs): - mem_limit = None - for i in range(max_iterations): - fn(*args, **kwargs) - mem = self._get_mem_usage() - if i < min_iterations: - mem_limit = mem + 1 - continue - self.assertLessEqual(mem, mem_limit, - msg='memory usage limit exceeded after %d iterations' - % (i + 1)) - - def test_leak_putdata(self): - im = Image.new('RGB', (25, 25)) - self._test_leak(min_iterations, max_iterations, - im.putdata, im.getdata()) - - def test_leak_getlist(self): - im = Image.new('P', (25, 25)) - self._test_leak(min_iterations, max_iterations, - # Pass a new list at each iteration. - lambda: im.point(range(256))) - -if __name__ == '__main__': - unittest.main() +def test_leak_getlist(): + im = Image.new("P", (25, 25)) + _test_leak( + min_iterations, + max_iterations, + # Pass a new list at each iteration. + lambda: im.point(range(256)), + ) diff --git a/Tests/check_j2k_dos.py b/Tests/check_j2k_dos.py index 9f06888a31b..71dcea4f39f 100644 --- a/Tests/check_j2k_dos.py +++ b/Tests/check_j2k_dos.py @@ -1,13 +1,11 @@ # Tests potential DOS of Jpeg2kImagePlugin with 0 length block. # Run from anywhere that PIL is importable. -from PIL import Image from io import BytesIO -if bytes is str: - Image.open(BytesIO(bytes( - '\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang'))) -else: - Image.open(BytesIO(bytes( - '\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang', - 'latin-1'))) +from PIL import Image + +with Image.open( + BytesIO(b"\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang") +): + pass diff --git a/Tests/check_j2k_leaks.py b/Tests/check_j2k_leaks.py index 8e9c4ca20ef..afe5836f3fd 100755 --- a/Tests/check_j2k_leaks.py +++ b/Tests/check_j2k_leaks.py @@ -1,42 +1,42 @@ -from helper import unittest, PillowTestCase -import sys -from PIL import Image from io import BytesIO +import pytest + +from PIL import Image + +from .helper import is_win32, skip_unless_feature + # Limits for testing the leak -mem_limit = 1024*1048576 -stack_size = 8*1048576 -iterations = int((mem_limit/stack_size)*2) -codecs = dir(Image.core) +mem_limit = 1024 * 1048576 +stack_size = 8 * 1048576 +iterations = int((mem_limit / stack_size) * 2) test_file = "Tests/images/rgb_trns_ycbc.jp2" +pytestmark = [ + pytest.mark.skipif(is_win32(), reason="requires Unix or macOS"), + skip_unless_feature("jpg_2000"), +] + + +def test_leak_load(): + from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit + + setrlimit(RLIMIT_STACK, (stack_size, stack_size)) + setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) + for _ in range(iterations): + with Image.open(test_file) as im: + im.load() + + +def test_leak_save(): + from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestJpegLeaks(PillowTestCase): - def setUp(self): - if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs: - self.skipTest('JPEG 2000 support not available') - - def test_leak_load(self): - from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK - setrlimit(RLIMIT_STACK, (stack_size, stack_size)) - setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) - for _ in range(iterations): - with Image.open(test_file) as im: - im.load() - - def test_leak_save(self): - from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK - setrlimit(RLIMIT_STACK, (stack_size, stack_size)) - setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) - for _ in range(iterations): - with Image.open(test_file) as im: - im.load() - test_output = BytesIO() - im.save(test_output, "JPEG2000") - test_output.seek(0) - test_output.read() - - -if __name__ == '__main__': - unittest.main() + setrlimit(RLIMIT_STACK, (stack_size, stack_size)) + setrlimit(RLIMIT_AS, (mem_limit, mem_limit)) + for _ in range(iterations): + with Image.open(test_file) as im: + im.load() + test_output = BytesIO() + im.save(test_output, "JPEG2000") + test_output.seek(0) + test_output.read() diff --git a/Tests/check_j2k_overflow.py b/Tests/check_j2k_overflow.py index bec4ea69486..b16412898f0 100644 --- a/Tests/check_j2k_overflow.py +++ b/Tests/check_j2k_overflow.py @@ -1,14 +1,10 @@ -from PIL import Image -from helper import unittest, PillowTestCase - +import pytest -class TestJ2kEncodeOverflow(PillowTestCase): - def test_j2k_overflow(self): +from PIL import Image - im = Image.new('RGBA', (1024, 131584)) - target = self.tempfile('temp.jpc') - with self.assertRaises(IOError): - im.save(target) -if __name__ == '__main__': - unittest.main() +def test_j2k_overflow(tmp_path): + im = Image.new("RGBA", (1024, 131584)) + target = str(tmp_path / "temp.jpc") + with pytest.raises(OSError): + im.save(target) diff --git a/Tests/check_jp2_overflow.py b/Tests/check_jp2_overflow.py new file mode 100755 index 00000000000..0210505f5fe --- /dev/null +++ b/Tests/check_jp2_overflow.py @@ -0,0 +1,26 @@ +#!/usr/bin/env python3 + +# Reproductions/tests for OOB read errors in FliDecode.c + +# When run in python, all of these images should fail for +# one reason or another, either as a buffer overrun, +# unrecognized datastream, or truncated image file. +# There shouldn't be any segfaults. +# +# if run like +# `valgrind --tool=memcheck python check_jp2_overflow.py 2>&1 | grep Decode.c` +# the output should be empty. There may be python issues +# in the valgrind especially if run in a debug python +# version. + + +from PIL import Image + +repro = ("00r0_gray_l.jp2", "00r1_graya_la.jp2") + +for path in repro: + with Image.open(path) as im: + try: + im.load() + except Exception as msg: + print(msg) diff --git a/Tests/check_jpeg_leaks.py b/Tests/check_jpeg_leaks.py index 7df2dfcc46d..ab8d7771992 100644 --- a/Tests/check_jpeg_leaks.py +++ b/Tests/check_jpeg_leaks.py @@ -1,6 +1,8 @@ -from helper import unittest, PillowTestCase, hopper from io import BytesIO -import sys + +import pytest + +from .helper import hopper, is_win32 iterations = 5000 @@ -9,16 +11,14 @@ When run on a system without the jpeg leak fixes, the valgrind runs look like this. -NOSE_PROCESSES=0 NOSE_TIMEOUT=600 valgrind --tool=massif \ - python test-installed.py -s -v Tests/check_jpeg_leaks.py +valgrind --tool=massif python test-installed.py -s -v Tests/check_jpeg_leaks.py """ -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestJpegLeaks(PillowTestCase): +pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") - """ +""" pre patch: MB @@ -74,134 +74,140 @@ class TestJpegLeaks(PillowTestCase): """ - def test_qtables_leak(self): - im = hopper('RGB') - - standard_l_qtable = [int(s) for s in """ - 16 11 10 16 24 40 51 61 - 12 12 14 19 26 58 60 55 - 14 13 16 24 40 57 69 56 - 14 17 22 29 51 87 80 62 - 18 22 37 56 68 109 103 77 - 24 35 55 64 81 104 113 92 - 49 64 78 87 103 121 120 101 - 72 92 95 98 112 100 103 99 - """.split(None)] - - standard_chrominance_qtable = [int(s) for s in """ - 17 18 24 47 99 99 99 99 - 18 21 26 66 99 99 99 99 - 24 26 56 99 99 99 99 99 - 47 66 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - """.split(None)] - - qtables = [standard_l_qtable, - standard_chrominance_qtable] - - for _ in range(iterations): - test_output = BytesIO() - im.save(test_output, "JPEG", qtables=qtables) - - def test_exif_leak(self): - """ -pre patch: - - MB -177.1^ # - | @@@# - | :@@@@@@# - | ::::@@@@@@# - | ::::::::@@@@@@# - | @@::::: ::::@@@@@@# - | @@@@ ::::: ::::@@@@@@# - | @@@@@@@ ::::: ::::@@@@@@# - | @@::@@@@@@@ ::::: ::::@@@@@@# - | @@@@ : @@@@@@@ ::::: ::::@@@@@@# - | @@@@@@ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @@@@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @::@@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | ::::@: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | :@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | ::@@::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @@::: @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @::@ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | :::@: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - | @@@:: @: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# - 0 +----------------------------------------------------------------------->Gi - 0 11.37 - - -post patch: - - MB -21.06^ ::::::::::::::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | ##::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @@@@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: - 0 +----------------------------------------------------------------------->Gi - 0 11.33 - -""" - im = hopper('RGB') - exif = b'12345678'*4096 - - for _ in range(iterations): - test_output = BytesIO() - im.save(test_output, "JPEG", exif=exif) - def test_base_save(self): - """ -base case: - MB -20.99^ ::::: :::::::::::::::::::::::::::::::::::::::::::@::: - | ##: : ::::::@::::::: :::: :::: : : : : : : :::::::::::: :::@::: - | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@# : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@@ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@@@@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: - 0 +----------------------------------------------------------------------->Gi - 0 7.882 -""" - im = hopper('RGB') +def test_qtables_leak(): + im = hopper("RGB") + + standard_l_qtable = [ + int(s) + for s in """ + 16 11 10 16 24 40 51 61 + 12 12 14 19 26 58 60 55 + 14 13 16 24 40 57 69 56 + 14 17 22 29 51 87 80 62 + 18 22 37 56 68 109 103 77 + 24 35 55 64 81 104 113 92 + 49 64 78 87 103 121 120 101 + 72 92 95 98 112 100 103 99 + """.split( + None + ) + ] + + standard_chrominance_qtable = [ + int(s) + for s in """ + 17 18 24 47 99 99 99 99 + 18 21 26 66 99 99 99 99 + 24 26 56 99 99 99 99 99 + 47 66 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + """.split( + None + ) + ] + + qtables = [standard_l_qtable, standard_chrominance_qtable] + + for _ in range(iterations): + test_output = BytesIO() + im.save(test_output, "JPEG", qtables=qtables) + + +def test_exif_leak(): + """ + pre patch: + + MB + 177.1^ # + | @@@# + | :@@@@@@# + | ::::@@@@@@# + | ::::::::@@@@@@# + | @@::::: ::::@@@@@@# + | @@@@ ::::: ::::@@@@@@# + | @@@@@@@ ::::: ::::@@@@@@# + | @@::@@@@@@@ ::::: ::::@@@@@@# + | @@@@ : @@@@@@@ ::::: ::::@@@@@@# + | @@@@@@ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @@@@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @::@@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | ::::@: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | :@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | ::@@::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @@::: @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @::@ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | :::@: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + | @@@:: @: @ : : @ ::@@: : @: @@ @@ @@ @ @@ : @@@@@@@ ::::: ::::@@@@@@# + 0 +----------------------------------------------------------------------->Gi + 0 11.37 + + + post patch: + + MB + 21.06^ ::::::::::::::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | ##::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | # ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @@@@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + | @ @@@# ::: ::::: : ::::::::::@::::@::::@::::@::::@::::@:::::::::@:::::: + 0 +----------------------------------------------------------------------->Gi + 0 11.33 + """ + im = hopper("RGB") + exif = b"12345678" * 4096 - for _ in range(iterations): - test_output = BytesIO() - im.save(test_output, "JPEG") + for _ in range(iterations): + test_output = BytesIO() + im.save(test_output, "JPEG", exif=exif) -if __name__ == '__main__': - unittest.main() +def test_base_save(): + """ + base case: + MB + 20.99^ ::::: :::::::::::::::::::::::::::::::::::::::::::@::: + | ##: : ::::::@::::::: :::: :::: : : : : : : :::::::::::: :::@::: + | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@# : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@@ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@@@@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + | :@ @@ @ # : : :: :: @:: :::: :::: :::: : : : : : : :::::::::::: :::@::: + 0 +----------------------------------------------------------------------->Gi + 0 7.882""" + im = hopper("RGB") + + for _ in range(iterations): + test_output = BytesIO() + im.save(test_output, "JPEG") diff --git a/Tests/check_large_memory.py b/Tests/check_large_memory.py index ef0cd1f80b7..c191ffc1eb8 100644 --- a/Tests/check_large_memory.py +++ b/Tests/check_large_memory.py @@ -1,6 +1,8 @@ import sys -from helper import unittest, PillowTestCase +import pytest + +from PIL import Image # This test is not run automatically. # @@ -11,27 +13,36 @@ # Raspberry Pis). It does succeed on a 3gb Ubuntu 12.04x64 VM on Python # 2.7 and 3.2. -from PIL import Image + +try: + import numpy +except ImportError: + numpy = None + YDIM = 32769 XDIM = 48000 -@unittest.skipIf(sys.maxsize <= 2**32, "requires 64-bit system") -class LargeMemoryTest(PillowTestCase): +pytestmark = pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="requires 64-bit system") + + +def _write_png(tmp_path, xdim, ydim): + f = str(tmp_path / "temp.png") + im = Image.new("L", (xdim, ydim), 0) + im.save(f) + - def _write_png(self, xdim, ydim): - f = self.tempfile('temp.png') - im = Image.new('L', (xdim, ydim), (0)) - im.save(f) +def test_large(tmp_path): + """succeeded prepatch""" + _write_png(tmp_path, XDIM, YDIM) - def test_large(self): - """ succeeded prepatch""" - self._write_png(XDIM, YDIM) - def test_2gpx(self): - """failed prepatch""" - self._write_png(XDIM, XDIM) +def test_2gpx(tmp_path): + """failed prepatch""" + _write_png(tmp_path, XDIM, XDIM) -if __name__ == '__main__': - unittest.main() +@pytest.mark.skipif(numpy is None, reason="Numpy is not installed") +def test_size_greater_than_int(): + arr = numpy.ndarray(shape=(16394, 16394)) + Image.fromarray(arr) diff --git a/Tests/check_large_memory_numpy.py b/Tests/check_large_memory_numpy.py index e48d9836797..70ae6d230b8 100644 --- a/Tests/check_large_memory_numpy.py +++ b/Tests/check_large_memory_numpy.py @@ -1,6 +1,8 @@ import sys -from helper import unittest, PillowTestCase +import pytest + +from PIL import Image # This test is not run automatically. # @@ -10,34 +12,29 @@ # on any 32-bit machine, as well as any smallish things (like # Raspberry Pis). -from PIL import Image -try: - import numpy as np -except ImportError: - raise unittest.SkipTest("numpy not installed") + +np = pytest.importorskip("numpy", reason="NumPy not installed") YDIM = 32769 XDIM = 48000 -@unittest.skipIf(sys.maxsize <= 2**32, "requires 64-bit system") -class LargeMemoryNumpyTest(PillowTestCase): +pytestmark = pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="requires 64-bit system") + - def _write_png(self, xdim, ydim): - dtype = np.uint8 - a = np.zeros((xdim, ydim), dtype=dtype) - f = self.tempfile('temp.png') - im = Image.fromarray(a, 'L') - im.save(f) +def _write_png(tmp_path, xdim, ydim): + dtype = np.uint8 + a = np.zeros((xdim, ydim), dtype=dtype) + f = str(tmp_path / "temp.png") + im = Image.fromarray(a, "L") + im.save(f) - def test_large(self): - """ succeeded prepatch""" - self._write_png(XDIM, YDIM) - def test_2gpx(self): - """failed prepatch""" - self._write_png(XDIM, XDIM) +def test_large(tmp_path): + """succeeded prepatch""" + _write_png(tmp_path, XDIM, YDIM) -if __name__ == '__main__': - unittest.main() +def test_2gpx(tmp_path): + """failed prepatch""" + _write_png(tmp_path, XDIM, XDIM) diff --git a/Tests/check_libtiff_segfault.py b/Tests/check_libtiff_segfault.py index 6611648a56f..bd7f407e4ab 100644 --- a/Tests/check_libtiff_segfault.py +++ b/Tests/check_libtiff_segfault.py @@ -1,19 +1,15 @@ -from helper import unittest, PillowTestCase +import pytest + from PIL import Image TEST_FILE = "Tests/images/libtiff_segfault.tif" -class TestLibtiffSegfault(PillowTestCase): - def test_segfault(self): - """ This test should not segfault. It will on Pillow <= 3.1.0 and - libtiff >= 4.0.0 - """ +def test_libtiff_segfault(): + """This test should not segfault. It will on Pillow <= 3.1.0 and + libtiff >= 4.0.0 + """ - with self.assertRaises(IOError): - im = Image.open(TEST_FILE) + with pytest.raises(OSError): + with Image.open(TEST_FILE) as im: im.load() - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/check_png_dos.py b/Tests/check_png_dos.py index 8998f8c0f0b..d8d645189e6 100644 --- a/Tests/check_png_dos.py +++ b/Tests/check_png_dos.py @@ -1,64 +1,61 @@ -from helper import unittest, PillowTestCase -from PIL import Image, PngImagePlugin, ImageFile -from io import BytesIO import zlib +from io import BytesIO + +from PIL import Image, ImageFile, PngImagePlugin TEST_FILE = "Tests/images/png_decompression_dos.png" -class TestPngDos(PillowTestCase): - def test_ignore_dos_text(self): - ImageFile.LOAD_TRUNCATED_IMAGES = True +def test_ignore_dos_text(): + ImageFile.LOAD_TRUNCATED_IMAGES = True + + try: + im = Image.open(TEST_FILE) + im.load() + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False - try: - im = Image.open(TEST_FILE) - im.load() - finally: - ImageFile.LOAD_TRUNCATED_IMAGES = False + for s in im.text.values(): + assert len(s) < 1024 * 1024, "Text chunk larger than 1M" - for s in im.text.values(): - self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M") + for s in im.info.values(): + assert len(s) < 1024 * 1024, "Text chunk larger than 1M" - for s in im.info.values(): - self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M") - def test_dos_text(self): +def test_dos_text(): - try: - im = Image.open(TEST_FILE) - im.load() - except ValueError as msg: - self.assertTrue(msg, "Decompressed Data Too Large") - return + try: + im = Image.open(TEST_FILE) + im.load() + except ValueError as msg: + assert msg, "Decompressed Data Too Large" + return - for s in im.text.values(): - self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M") + for s in im.text.values(): + assert len(s) < 1024 * 1024, "Text chunk larger than 1M" - def test_dos_total_memory(self): - im = Image.new('L', (1, 1)) - compressed_data = zlib.compress('a'*1024*1023) - info = PngImagePlugin.PngInfo() +def test_dos_total_memory(): + im = Image.new("L", (1, 1)) + compressed_data = zlib.compress(b"a" * 1024 * 1023) - for x in range(64): - info.add_text('t%s' % x, compressed_data, zip=True) - info.add_itxt('i%s' % x, compressed_data, zip=True) + info = PngImagePlugin.PngInfo() - b = BytesIO() - im.save(b, 'PNG', pnginfo=info) - b.seek(0) + for x in range(64): + info.add_text(f"t{x}", compressed_data, zip=True) + info.add_itxt(f"i{x}", compressed_data, zip=True) - try: - im2 = Image.open(b) - except ValueError as msg: - self.assertIn("Too much memory", msg) - return + b = BytesIO() + im.save(b, "PNG", pnginfo=info) + b.seek(0) - total_len = 0 - for txt in im2.text.values(): - total_len += len(txt) - self.assertLess(total_len, 64*1024*1024, - "Total text chunks greater than 64M") + try: + im2 = Image.open(b) + except ValueError as msg: + assert "Too much memory" in msg + return -if __name__ == '__main__': - unittest.main() + total_len = 0 + for txt in im2.text.values(): + total_len += len(txt) + assert total_len < 64 * 1024 * 1024, "Total text chunks greater than 64M" diff --git a/Tests/check_webp_leaks.py b/Tests/check_webp_leaks.py deleted file mode 100644 index 0f54f382d33..00000000000 --- a/Tests/check_webp_leaks.py +++ /dev/null @@ -1,38 +0,0 @@ -from __future__ import division -from helper import unittest, PillowTestCase -import sys -from PIL import Image -from io import BytesIO - -# Limits for testing the leak -mem_limit = 16 # max increase in MB -iterations = 5000 -test_file = "Tests/images/hopper.webp" - - -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestWebPLeaks(PillowTestCase): - - def setUp(self): - try: - from PIL import _webp - except ImportError: - self.skipTest('WebP support not installed') - - def _get_mem_usage(self): - from resource import getpagesize, getrusage, RUSAGE_SELF - mem = getrusage(RUSAGE_SELF).ru_maxrss - return mem * getpagesize() / 1024 / 1024 - - def test_leak_load(self): - with open(test_file, 'rb') as f: - im_data = f.read() - start_mem = self._get_mem_usage() - for _ in range(iterations): - with Image.open(BytesIO(im_data)) as im: - im.load() - mem = (self._get_mem_usage() - start_mem) - self.assertLess(mem, mem_limit, msg='memory usage limit exceeded') - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/conftest.py b/Tests/conftest.py new file mode 100644 index 00000000000..66da7593c2e --- /dev/null +++ b/Tests/conftest.py @@ -0,0 +1,31 @@ +import io + + +def pytest_report_header(config): + try: + from PIL import features + + with io.StringIO() as out: + features.pilinfo(out=out, supported_formats=False) + return out.getvalue() + except Exception as e: + return f"pytest_report_header failed: {e}" + + +def pytest_configure(config): + config.addinivalue_line( + "markers", + "pil_noop_mark: A conditional mark where nothing special happens", + ) + + # We're marking some tests to ignore valgrind errors and XFAIL them. + # Ensure that the mark is defined + # even in cases where pytest-valgrind isn't installed + try: + config.addinivalue_line( + "markers", + "valgrind_known_error: Tests that have known issues with valgrind", + ) + except Exception: + # valgrind is already installed + pass diff --git a/Tests/createfontdatachunk.py b/Tests/createfontdatachunk.py index 720fd0067af..e318eb73217 100755 --- a/Tests/createfontdatachunk.py +++ b/Tests/createfontdatachunk.py @@ -1,16 +1,16 @@ -#!/usr/bin/env python -from __future__ import print_function +#!/usr/bin/env python3 import base64 import os -import sys if __name__ == "__main__": # create font data chunk for embedding font = "Tests/images/courB08" print(" f._load_pilfont_data(") - print(" # %s" % os.path.basename(font)) + print(f" # {os.path.basename(font)}") print(" BytesIO(base64.decodestring(b'''") - base64.encode(open(font + ".pil", "rb"), sys.stdout) + with open(font + ".pil", "rb") as fp: + print(base64.b64encode(fp.read()).decode()) print("''')), Image.open(BytesIO(base64.decodestring(b'''") - base64.encode(open(font + ".pbm", "rb"), sys.stdout) + with open(font + ".pbm", "rb") as fp: + print(base64.b64encode(fp.read()).decode()) print("'''))))") diff --git a/Tests/fonts/AdobeVFPrototype.ttf b/Tests/fonts/AdobeVFPrototype.ttf new file mode 100644 index 00000000000..64f5ea8e1ed Binary files /dev/null and b/Tests/fonts/AdobeVFPrototype.ttf differ diff --git a/Tests/fonts/ArefRuqaa-Regular.ttf b/Tests/fonts/ArefRuqaa-Regular.ttf new file mode 100644 index 00000000000..940cb58f4dc Binary files /dev/null and b/Tests/fonts/ArefRuqaa-Regular.ttf differ diff --git a/Tests/fonts/BungeeColor-Regular_colr_Windows.ttf b/Tests/fonts/BungeeColor-Regular_colr_Windows.ttf new file mode 100644 index 00000000000..d8eabb3b6a3 Binary files /dev/null and b/Tests/fonts/BungeeColor-Regular_colr_Windows.ttf differ diff --git a/Tests/fonts/DejaVuSans-bitmap.ttf b/Tests/fonts/DejaVuSans-bitmap.ttf deleted file mode 100644 index 702cce37de2..00000000000 Binary files a/Tests/fonts/DejaVuSans-bitmap.ttf and /dev/null differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-1-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-1-stripped.ttf new file mode 100644 index 00000000000..8eaf1ee0811 Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-1-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-2-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-2-stripped.ttf new file mode 100644 index 00000000000..23366725106 Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-2-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-4-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-4-stripped.ttf new file mode 100644 index 00000000000..9accc9ebcaf Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-4-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf b/Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf new file mode 100644 index 00000000000..0f93442678d Binary files /dev/null and b/Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf differ diff --git a/Tests/fonts/DejaVuSans.ttf b/Tests/fonts/DejaVuSans/DejaVuSans.ttf similarity index 100% rename from Tests/fonts/DejaVuSans.ttf rename to Tests/fonts/DejaVuSans/DejaVuSans.ttf diff --git a/Tests/fonts/DejaVuSans/LICENSE.txt b/Tests/fonts/DejaVuSans/LICENSE.txt new file mode 100644 index 00000000000..30516578fb2 --- /dev/null +++ b/Tests/fonts/DejaVuSans/LICENSE.txt @@ -0,0 +1,40 @@ +DejaVuSans-24-{1,2,4,8}-stripped.ttf are based on DejaVuSans.ttf converted using FontForge to add bitmap strikes and keep only the ASCII range. + +DejaVu Fonts — License +Fonts are © Bitstream (see below). DejaVu changes are in public domain. Explanation of copyright is on Gnome page on Bitstream Vera fonts. Glyphs imported from Arev fonts are © Tavmjung Bah (see below) + +Bitstream Vera Fonts Copyright +Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is a trademark of Bitstream, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy of the fonts accompanying this license ("Fonts") and associated documentation files (the "Font Software"), to reproduce and distribute the Font Software, including without limitation the rights to use, copy, merge, publish, distribute, and/or sell copies of the Font Software, and to permit persons to whom the Font Software is furnished to do so, subject to the following conditions: + +The above copyright and trademark notices and this permission notice shall be included in all copies of one or more of the Font Software typefaces. + +The Font Software may be modified, altered, or added to, and in particular the designs of glyphs or characters in the Fonts may be modified and additional glyphs or characters may be added to the Fonts, only if the fonts are renamed to names not containing either the words "Bitstream" or the word "Vera". + +This License becomes null and void to the extent applicable to Fonts or Font Software that has been modified and is distributed under the "Bitstream Vera" names. + +The Font Software may be sold as part of a larger software package but no copy of one or more of the Font Software typefaces may be sold by itself. + +THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL BITSTREAM OR THE GNOME FOUNDATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE. + +Except as contained in this notice, the names of Gnome, the Gnome Foundation, and Bitstream Inc., shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Font Software without prior written authorization from the Gnome Foundation or Bitstream Inc., respectively. For further information, contact: fonts at gnome dot org. + +Arev Fonts Copyright +Original text + +Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy of the fonts accompanying this license ("Fonts") and associated documentation files (the "Font Software"), to reproduce and distribute the modifications to the Bitstream Vera Font Software, including without limitation the rights to use, copy, merge, publish, distribute, and/or sell copies of the Font Software, and to permit persons to whom the Font Software is furnished to do so, subject to the following conditions: + +The above copyright and trademark notices and this permission notice shall be included in all copies of one or more of the Font Software typefaces. + +The Font Software may be modified, altered, or added to, and in particular the designs of glyphs or characters in the Fonts may be modified and additional glyphs or characters may be added to the Fonts, only if the fonts are renamed to names not containing either the words "Tavmjong Bah" or the word "Arev". + +This License becomes null and void to the extent applicable to Fonts or Font Software that has been modified and is distributed under the "Tavmjong Bah Arev" names. + +The Font Software may be sold as part of a larger software package but no copy of one or more of the Font Software typefaces may be sold by itself. + +THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL TAVMJONG BAH BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE. + +Except as contained in this notice, the name of Tavmjong Bah shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Font Software without prior written authorization from Tavmjong Bah. For further information, contact: tavmjong @ free . fr. \ No newline at end of file diff --git a/Tests/fonts/KhmerOSBattambang-Regular.ttf b/Tests/fonts/KhmerOSBattambang-Regular.ttf new file mode 100755 index 00000000000..b812c0af1bc Binary files /dev/null and b/Tests/fonts/KhmerOSBattambang-Regular.ttf differ diff --git a/Tests/fonts/LICENSE.txt b/Tests/fonts/LICENSE.txt index ee9daee592c..104ff677cad 100644 --- a/Tests/fonts/LICENSE.txt +++ b/Tests/fonts/LICENSE.txt @@ -1,13 +1,26 @@ -NotoNastaliqUrdu-Regular.ttf: +NotoNastaliqUrdu-Regular.ttf and NotoSansSymbols-Regular.ttf, from https://github.com/googlei18n/noto-fonts +NotoSans-Regular.ttf, from https://www.google.com/get/noto/ +NotoSansJP-Thin.otf, from https://www.google.com/get/noto/help/cjk/ +NotoColorEmoji.ttf, from https://github.com/googlefonts/noto-emoji +AdobeVFPrototype.ttf, from https://github.com/adobe-fonts/adobe-variable-font-prototype +TINY5x3GX.ttf, from http://velvetyne.fr/fonts/tiny +ArefRuqaa-Regular.ttf, from https://github.com/google/fonts/tree/master/ofl/arefruqaa +ter-x20b.pcf, from http://terminus-font.sourceforge.net/ +BungeeColor-Regular_colr_Windows.ttf, from https://github.com/djrrb/bungee -(from https://github.com/googlei18n/noto-fonts) +All of the above fonts are published under the SIL Open Font License (OFL) v1.1 (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL), which allows you to copy, modify, and redistribute them if you need to. -All Noto fonts are published under the SIL Open Font License (OFL) v1.1 (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL), which allows you to copy, modify, and redistribute them if you need to. +FreeMono.ttf is licensed under GPLv3, with the GPL font exception. +OpenSansCondensed-LightItalic.tt, from https://fonts.google.com/specimen/Open+Sans, under Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0) -10x20-ISO8859-1.pcf +chromacheck-sbix.woff, from https://github.com/RoelN/ChromaCheck, under The MIT License (MIT), Copyright (c) 2018 Roel Nieskens, https://pixelambacht.nl Copyright (c) 2018 Google LLC -(from https://packages.ubuntu.com/xenial/xfonts-base) +KhmerOSBattambang-Regular.ttf is licensed under LGPL-2.1 or later. + +FreeMono.ttf is licensed under GPLv3. + +10x20-ISO8859-1.pcf, from https://packages.ubuntu.com/xenial/xfonts-base "Public domain font. Share and enjoy." diff --git a/Tests/fonts/NotoColorEmoji.ttf b/Tests/fonts/NotoColorEmoji.ttf new file mode 100644 index 00000000000..ef7b725758c Binary files /dev/null and b/Tests/fonts/NotoColorEmoji.ttf differ diff --git a/Tests/fonts/NotoSans-Regular.ttf b/Tests/fonts/NotoSans-Regular.ttf new file mode 100644 index 00000000000..a1b8994edea Binary files /dev/null and b/Tests/fonts/NotoSans-Regular.ttf differ diff --git a/Tests/fonts/NotoSansJP-Regular.otf b/Tests/fonts/NotoSansJP-Regular.otf new file mode 100644 index 00000000000..fbccd9f16a0 Binary files /dev/null and b/Tests/fonts/NotoSansJP-Regular.otf differ diff --git a/Tests/fonts/NotoSansSymbols-Regular.ttf b/Tests/fonts/NotoSansSymbols-Regular.ttf new file mode 100644 index 00000000000..92accef72d4 Binary files /dev/null and b/Tests/fonts/NotoSansSymbols-Regular.ttf differ diff --git a/Tests/fonts/OpenSansCondensed-LightItalic.ttf b/Tests/fonts/OpenSansCondensed-LightItalic.ttf new file mode 100644 index 00000000000..b4ee4951f33 Binary files /dev/null and b/Tests/fonts/OpenSansCondensed-LightItalic.ttf differ diff --git a/Tests/fonts/TINY5x3GX.ttf b/Tests/fonts/TINY5x3GX.ttf new file mode 100755 index 00000000000..bd6e208dece Binary files /dev/null and b/Tests/fonts/TINY5x3GX.ttf differ diff --git a/Tests/fonts/chromacheck-sbix.woff b/Tests/fonts/chromacheck-sbix.woff new file mode 100644 index 00000000000..518d4b7ea6c Binary files /dev/null and b/Tests/fonts/chromacheck-sbix.woff differ diff --git a/Tests/fonts/oom-e8e927ba6c0d38274a37c1567560eb33baf74627.ttf b/Tests/fonts/oom-e8e927ba6c0d38274a37c1567560eb33baf74627.ttf new file mode 100644 index 00000000000..79013251524 Binary files /dev/null and b/Tests/fonts/oom-e8e927ba6c0d38274a37c1567560eb33baf74627.ttf differ diff --git a/Tests/fonts/ter-x20b-cp1250.pbm b/Tests/fonts/ter-x20b-cp1250.pbm new file mode 100644 index 00000000000..fe7e2c4dc03 Binary files /dev/null and b/Tests/fonts/ter-x20b-cp1250.pbm differ diff --git a/Tests/fonts/ter-x20b-cp1250.pil b/Tests/fonts/ter-x20b-cp1250.pil new file mode 100644 index 00000000000..4da49e5fd41 Binary files /dev/null and b/Tests/fonts/ter-x20b-cp1250.pil differ diff --git a/Tests/fonts/ter-x20b-iso8859-1.pbm b/Tests/fonts/ter-x20b-iso8859-1.pbm new file mode 100644 index 00000000000..ffd840ae94e Binary files /dev/null and b/Tests/fonts/ter-x20b-iso8859-1.pbm differ diff --git a/Tests/fonts/ter-x20b-iso8859-1.pil b/Tests/fonts/ter-x20b-iso8859-1.pil new file mode 100644 index 00000000000..14d6e8be7b2 Binary files /dev/null and b/Tests/fonts/ter-x20b-iso8859-1.pil differ diff --git a/Tests/fonts/ter-x20b-iso8859-2.pbm b/Tests/fonts/ter-x20b-iso8859-2.pbm new file mode 100644 index 00000000000..ad5b3af8d75 Binary files /dev/null and b/Tests/fonts/ter-x20b-iso8859-2.pbm differ diff --git a/Tests/fonts/ter-x20b-iso8859-2.pil b/Tests/fonts/ter-x20b-iso8859-2.pil new file mode 100644 index 00000000000..14d6e8be7b2 Binary files /dev/null and b/Tests/fonts/ter-x20b-iso8859-2.pil differ diff --git a/Tests/fonts/ter-x20b.pcf b/Tests/fonts/ter-x20b.pcf new file mode 100644 index 00000000000..962bcca6af4 Binary files /dev/null and b/Tests/fonts/ter-x20b.pcf differ diff --git a/Tests/helper.py b/Tests/helper.py index fdeb00c0cd2..8504993fb5d 100644 --- a/Tests/helper.py +++ b/Tests/helper.py @@ -1,252 +1,215 @@ """ Helper functions. """ -from __future__ import print_function + +import logging +import os +import shutil import sys +import sysconfig import tempfile -import os -import unittest +from io import BytesIO -from PIL import Image, ImageMath +import pytest +from packaging.version import parse as parse_version + +from PIL import Image, ImageMath, features -import logging logger = logging.getLogger(__name__) HAS_UPLOADER = False -if os.environ.get('SHOW_ERRORS', None): - # local img.show for errors. - HAS_UPLOADER=True +if os.environ.get("SHOW_ERRORS", None): + # local img.show for errors. + HAS_UPLOADER = True + class test_image_results: - @classmethod - def upload(self, a, b): + @staticmethod + def upload(a, b): a.show() b.show() + + +elif "GITHUB_ACTIONS" in os.environ: + HAS_UPLOADER = True + + class test_image_results: + @staticmethod + def upload(a, b): + dir_errors = os.path.join(os.path.dirname(__file__), "errors") + os.makedirs(dir_errors, exist_ok=True) + tmpdir = tempfile.mkdtemp(dir=dir_errors) + a.save(os.path.join(tmpdir, "a.png")) + b.save(os.path.join(tmpdir, "b.png")) + return tmpdir + + else: try: import test_image_results + HAS_UPLOADER = True except ImportError: pass - def convert_to_comparable(a, b): new_a, new_b = a, b - if a.mode == 'P': - new_a = Image.new('L', a.size) - new_b = Image.new('L', b.size) + if a.mode == "P": + new_a = Image.new("L", a.size) + new_b = Image.new("L", b.size) new_a.putdata(a.getdata()) new_b.putdata(b.getdata()) - elif a.mode == 'I;16': - new_a = a.convert('I') - new_b = b.convert('I') + elif a.mode == "I;16": + new_a = a.convert("I") + new_b = b.convert("I") return new_a, new_b -class PillowTestCase(unittest.TestCase): +def assert_deep_equal(a, b, msg=None): + try: + assert len(a) == len(b), msg or f"got length {len(a)}, expected {len(b)}" + except Exception: + assert a == b, msg - def __init__(self, *args, **kwargs): - unittest.TestCase.__init__(self, *args, **kwargs) - # holds last result object passed to run method: - self.currentResult = None - # Nicer output for --verbose - def __str__(self): - return self.__class__.__name__ + "." + self._testMethodName +def assert_image(im, mode, size, msg=None): + if mode is not None: + assert im.mode == mode, ( + msg or f"got mode {repr(im.mode)}, expected {repr(mode)}" + ) - def run(self, result=None): - self.currentResult = result # remember result for use later - unittest.TestCase.run(self, result) # call superclass run method + if size is not None: + assert im.size == size, ( + msg or f"got size {repr(im.size)}, expected {repr(size)}" + ) - def delete_tempfile(self, path): - try: - ok = self.currentResult.wasSuccessful() - except AttributeError: # for pytest - ok = True - if ok: - # only clean out tempfiles if test passed +def assert_image_equal(a, b, msg=None): + assert a.mode == b.mode, msg or f"got mode {repr(a.mode)}, expected {repr(b.mode)}" + assert a.size == b.size, msg or f"got size {repr(a.size)}, expected {repr(b.size)}" + if a.tobytes() != b.tobytes(): + if HAS_UPLOADER: try: - os.remove(path) - except OSError: - pass # report? - else: - print("=== orphaned temp file: %s" % path) - - def assert_deep_equal(self, a, b, msg=None): - try: - self.assertEqual( - len(a), len(b), - msg or "got length %s, expected %s" % (len(a), len(b))) - self.assertTrue( - all(x == y for x, y in zip(a, b)), - msg or "got %s, expected %s" % (a, b)) - except: - self.assertEqual(a, b, msg) - - def assert_image(self, im, mode, size, msg=None): - if mode is not None: - self.assertEqual( - im.mode, mode, - msg or "got mode %r, expected %r" % (im.mode, mode)) - - if size is not None: - self.assertEqual( - im.size, size, - msg or "got size %r, expected %r" % (im.size, size)) - - def assert_image_equal(self, a, b, msg=None): - self.assertEqual( - a.mode, b.mode, - msg or "got mode %r, expected %r" % (a.mode, b.mode)) - self.assertEqual( - a.size, b.size, - msg or "got size %r, expected %r" % (a.size, b.size)) - if a.tobytes() != b.tobytes(): - if HAS_UPLOADER: - try: - url = test_image_results.upload(a, b) - logger.error("Url for test images: %s" % url) - except Exception as msg: - pass - - self.fail(msg or "got different content") - - def assert_image_equal_tofile(self, a, filename, msg=None, mode=None): - with Image.open(filename) as img: - if mode: - img = img.convert(mode) - self.assert_image_equal(a, img, msg) - - def assert_image_similar(self, a, b, epsilon, msg=None): - epsilon = float(epsilon) - self.assertEqual( - a.mode, b.mode, - msg or "got mode %r, expected %r" % (a.mode, b.mode)) - self.assertEqual( - a.size, b.size, - msg or "got size %r, expected %r" % (a.size, b.size)) - - a, b = convert_to_comparable(a, b) - - diff = 0 - for ach, bch in zip(a.split(), b.split()): - chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert('L') - diff += sum(i * num for i, num in enumerate(chdiff.histogram())) - - ave_diff = float(diff)/(a.size[0]*a.size[1]) - try: - self.assertGreaterEqual( - epsilon, ave_diff, - (msg or '') + - " average pixel value difference %.4f > epsilon %.4f" % ( - ave_diff, epsilon)) - except Exception as e: - if HAS_UPLOADER: - try: - url = test_image_results.upload(a, b) - logger.error("Url for test images: %s" % url) - except: - pass - raise e - - def assert_image_similar_tofile(self, a, filename, epsilon, msg=None, mode=None): - with Image.open(filename) as img: - if mode: - img = img.convert(mode) - self.assert_image_similar(a, img, epsilon, msg) - - def assert_warning(self, warn_class, func, *args, **kwargs): - import warnings - - result = None - with warnings.catch_warnings(record=True) as w: - # Cause all warnings to always be triggered. - warnings.simplefilter("always") - - # Hopefully trigger a warning. - result = func(*args, **kwargs) - - # Verify some things. - if warn_class is None: - self.assertEqual(len(w), 0, - "Expected no warnings, got %s" % - list(v.category for v in w)) - else: - self.assertGreaterEqual(len(w), 1) - found = False - for v in w: - if issubclass(v.category, warn_class): - found = True - break - self.assertTrue(found) - return result + url = test_image_results.upload(a, b) + logger.error(f"Url for test images: {url}") + except Exception: + pass + + assert False, msg or "got different content" + + +def assert_image_equal_tofile(a, filename, msg=None, mode=None): + with Image.open(filename) as img: + if mode: + img = img.convert(mode) + assert_image_equal(a, img, msg) + + +def assert_image_similar(a, b, epsilon, msg=None): + assert a.mode == b.mode, msg or f"got mode {repr(a.mode)}, expected {repr(b.mode)}" + assert a.size == b.size, msg or f"got size {repr(a.size)}, expected {repr(b.size)}" + + a, b = convert_to_comparable(a, b) + + diff = 0 + for ach, bch in zip(a.split(), b.split()): + chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert("L") + diff += sum(i * num for i, num in enumerate(chdiff.histogram())) + + ave_diff = diff / (a.size[0] * a.size[1]) + try: + assert epsilon >= ave_diff, ( + (msg or "") + + f" average pixel value difference {ave_diff:.4f} > epsilon {epsilon:.4f}" + ) + except Exception as e: + if HAS_UPLOADER: + try: + url = test_image_results.upload(a, b) + logger.error(f"Url for test images: {url}") + except Exception: + pass + raise e + + +def assert_image_similar_tofile(a, filename, epsilon, msg=None, mode=None): + with Image.open(filename) as img: + if mode: + img = img.convert(mode) + assert_image_similar(a, img, epsilon, msg) + - def assert_all_same(self, items, msg=None): - self.assertTrue(items.count(items[0]) == len(items), msg) - - def assert_not_all_same(self, items, msg=None): - self.assertFalse(items.count(items[0]) == len(items), msg) - - def skipKnownBadTest(self, msg=None, platform=None, - travis=None, interpreter=None): - # Skip if platform/travis matches, and - # PILLOW_RUN_KNOWN_BAD is not true in the environment. - if os.environ.get('PILLOW_RUN_KNOWN_BAD', False): - print(os.environ.get('PILLOW_RUN_KNOWN_BAD', False)) - return - - skip = True - if platform is not None: - skip = sys.platform.startswith(platform) - if travis is not None: - skip = skip and (travis == bool(os.environ.get('TRAVIS', False))) - if interpreter is not None: - skip = skip and (interpreter == 'pypy' and - hasattr(sys, 'pypy_version_info')) - if skip: - self.skipTest(msg or "Known Bad Test") - - def tempfile(self, template): - assert template[:5] in ("temp.", "temp_") - fd, path = tempfile.mkstemp(template[4:], template[:4]) - os.close(fd) - - self.addCleanup(self.delete_tempfile, path) - return path - - def open_withImagemagick(self, f): - if not imagemagick_available(): - raise IOError() - - outfile = self.tempfile("temp.png") - if command_succeeds([IMCONVERT, f, outfile]): - return Image.open(outfile) - raise IOError() - - -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class PillowLeakTestCase(PillowTestCase): - # requires unix/osx +def assert_all_same(items, msg=None): + assert items.count(items[0]) == len(items), msg + + +def assert_not_all_same(items, msg=None): + assert items.count(items[0]) != len(items), msg + + +def assert_tuple_approx_equal(actuals, targets, threshold, msg): + """Tests if actuals has values within threshold from targets""" + value = True + for i, target in enumerate(targets): + value *= target - threshold <= actuals[i] <= target + threshold + + assert value, msg + ": " + repr(actuals) + " != " + repr(targets) + + +def skip_unless_feature(feature): + reason = f"{feature} not available" + return pytest.mark.skipif(not features.check(feature), reason=reason) + + +def skip_unless_feature_version(feature, version_required, reason=None): + if not features.check(feature): + return pytest.mark.skip(f"{feature} not available") + if reason is None: + reason = f"{feature} is older than {version_required}" + version_required = parse_version(version_required) + version_available = parse_version(features.version(feature)) + return pytest.mark.skipif(version_available < version_required, reason=reason) + + +def mark_if_feature_version(mark, feature, version_blacklist, reason=None): + if not features.check(feature): + return pytest.mark.pil_noop_mark() + if reason is None: + reason = f"{feature} is {version_blacklist}" + version_required = parse_version(version_blacklist) + version_available = parse_version(features.version(feature)) + if ( + version_available.major == version_required.major + and version_available.minor == version_required.minor + ): + return mark(reason=reason) + return pytest.mark.pil_noop_mark() + + +@pytest.mark.skipif(sys.platform.startswith("win32"), reason="Requires Unix or macOS") +class PillowLeakTestCase: + # requires unix/macOS iterations = 100 # count mem_limit = 512 # k def _get_mem_usage(self): """ Gets the RUSAGE memory usage, returns in K. Encapsulates the difference - between OSX and Linux rss reporting + between macOS and Linux rss reporting - :returns; memory usage in kilobytes + :returns: memory usage in kilobytes """ - from resource import getrusage, RUSAGE_SELF + from resource import RUSAGE_SELF, getrusage + mem = getrusage(RUSAGE_SELF).ru_maxrss - if sys.platform == 'darwin': + if sys.platform == "darwin": # man 2 getrusage: - # ru_maxrss the maximum resident set size utilized (in bytes). - return mem / 1024 # Kb + # ru_maxrss + # This is the maximum resident set size utilized (in bytes). + return mem / 1024 # Kb else: # linux # man 2 getrusage @@ -258,23 +221,19 @@ def _test_leak(self, core): start_mem = self._get_mem_usage() for cycle in range(self.iterations): core() - mem = (self._get_mem_usage() - start_mem) - self.assertLess(mem, self.mem_limit, - msg='memory usage limit exceeded in iteration %d' % cycle) + mem = self._get_mem_usage() - start_mem + msg = f"memory usage limit exceeded in iteration {cycle}" + assert mem < self.mem_limit, msg # helpers -py3 = (sys.version_info >= (3, 0)) - def fromstring(data): - from io import BytesIO return Image.open(BytesIO(data)) def tostring(im, string_format, **options): - from io import BytesIO out = BytesIO() im.save(out, string_format, **options) return out.getvalue() @@ -301,58 +260,73 @@ def hopper(mode=None, cache={}): return im.copy() -def command_succeeds(cmd): - """ - Runs the command, which must be a list of strings. Returns True if the - command succeeds, or False if an OSError was raised by subprocess.Popen. - """ - import subprocess - with open(os.devnull, 'wb') as f: - try: - subprocess.call(cmd, stdout=f, stderr=subprocess.STDOUT) - except OSError: - return False - return True - - def djpeg_available(): - return command_succeeds(['djpeg', '-version']) + return bool(shutil.which("djpeg")) def cjpeg_available(): - return command_succeeds(['cjpeg', '-version']) + return bool(shutil.which("cjpeg")) def netpbm_available(): - return (command_succeeds(["ppmquant", "--version"]) and - command_succeeds(["ppmtogif", "--version"])) + return bool(shutil.which("ppmquant") and shutil.which("ppmtogif")) + +def magick_command(): + if sys.platform == "win32": + magickhome = os.environ.get("MAGICK_HOME", "") + if magickhome: + imagemagick = [os.path.join(magickhome, "convert.exe")] + graphicsmagick = [os.path.join(magickhome, "gm.exe"), "convert"] + else: + imagemagick = None + graphicsmagick = None + else: + imagemagick = ["convert"] + graphicsmagick = ["gm", "convert"] -def imagemagick_available(): - return IMCONVERT and command_succeeds([IMCONVERT, '-version']) + if imagemagick and shutil.which(imagemagick[0]): + return imagemagick + elif graphicsmagick and shutil.which(graphicsmagick[0]): + return graphicsmagick def on_appveyor(): - return 'APPVEYOR' in os.environ + return "APPVEYOR" in os.environ -if sys.platform == 'win32': - IMCONVERT = os.environ.get('MAGICK_HOME', '') - if IMCONVERT: - IMCONVERT = os.path.join(IMCONVERT, 'convert.exe') -else: - IMCONVERT = 'convert' +def on_github_actions(): + return "GITHUB_ACTIONS" in os.environ + + +def on_ci(): + # GitHub Actions and AppVeyor have "CI" + return "CI" in os.environ + + +def is_big_endian(): + return sys.byteorder == "big" + + +def is_ppc64le(): + import platform + + return platform.machine() == "ppc64le" + + +def is_win32(): + return sys.platform.startswith("win32") + + +def is_pypy(): + return hasattr(sys, "pypy_translation_info") -def distro(): - if os.path.exists('/etc/os-release'): - with open('/etc/os-release', 'r') as f: - for line in f: - if 'ID=' in line: - return line.strip().split('=')[1] +def is_mingw(): + return sysconfig.get_platform() == "mingw" -class cached_property(object): +class cached_property: def __init__(self, func): self.func = func diff --git a/Tests/images/00r0_gray_l.jp2 b/Tests/images/00r0_gray_l.jp2 new file mode 100644 index 00000000000..28612238a9c Binary files /dev/null and b/Tests/images/00r0_gray_l.jp2 differ diff --git a/Tests/images/00r1_graya_la.jp2 b/Tests/images/00r1_graya_la.jp2 new file mode 100644 index 00000000000..f3f840a08e3 Binary files /dev/null and b/Tests/images/00r1_graya_la.jp2 differ diff --git a/Tests/images/01r_00.pcx b/Tests/images/01r_00.pcx new file mode 100644 index 00000000000..f40777ac582 Binary files /dev/null and b/Tests/images/01r_00.pcx differ diff --git a/Tests/images/16_bit_noise.tif b/Tests/images/16_bit_noise.tif new file 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/dev/null and b/Tests/images/fli_oob/02r/02r00.fli differ diff --git a/Tests/images/fli_oob/02r/notes b/Tests/images/fli_oob/02r/notes new file mode 100644 index 00000000000..49f92b19bed --- /dev/null +++ b/Tests/images/fli_oob/02r/notes @@ -0,0 +1 @@ +Is this because a file-originating field is being interpreted as a *signed* int32, allowing it to provide negative values for 'advance'? diff --git a/Tests/images/fli_oob/02r/others/02r01.fli b/Tests/images/fli_oob/02r/others/02r01.fli new file mode 100644 index 00000000000..3a5864c84c5 Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r01.fli differ diff --git a/Tests/images/fli_oob/02r/others/02r02.fli b/Tests/images/fli_oob/02r/others/02r02.fli new file mode 100644 index 00000000000..2b3d15b55ae Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r02.fli differ diff --git a/Tests/images/fli_oob/02r/others/02r03.fli b/Tests/images/fli_oob/02r/others/02r03.fli new file mode 100644 index 00000000000..a631721321a Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r03.fli differ diff --git a/Tests/images/fli_oob/02r/others/02r04.fli b/Tests/images/fli_oob/02r/others/02r04.fli new file mode 100644 index 00000000000..4c17cbb3dee Binary files /dev/null and b/Tests/images/fli_oob/02r/others/02r04.fli differ diff --git a/Tests/images/fli_oob/02r/reproducing b/Tests/images/fli_oob/02r/reproducing new file mode 100644 index 00000000000..3286d94f1c7 --- /dev/null +++ b/Tests/images/fli_oob/02r/reproducing @@ -0,0 +1 @@ +Image.open(...).seek(212) diff --git a/Tests/images/fli_oob/03r/03r00.fli b/Tests/images/fli_oob/03r/03r00.fli new file mode 100644 index 00000000000..7972880cecd Binary files /dev/null and b/Tests/images/fli_oob/03r/03r00.fli differ diff --git a/Tests/images/fli_oob/03r/notes b/Tests/images/fli_oob/03r/notes new file mode 100644 index 00000000000..d75605cea64 --- /dev/null +++ b/Tests/images/fli_oob/03r/notes @@ -0,0 +1 @@ +ridiculous bytes value passed to ImagingFliDecode diff --git a/Tests/images/fli_oob/03r/others/03r01.fli b/Tests/images/fli_oob/03r/others/03r01.fli new file mode 100644 index 00000000000..1102c69ca3b Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r01.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r02.fli b/Tests/images/fli_oob/03r/others/03r02.fli new file mode 100644 index 00000000000..d30326fe0b0 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r02.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r03.fli b/Tests/images/fli_oob/03r/others/03r03.fli new file mode 100644 index 00000000000..7f3db178e60 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r03.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r04.fli b/Tests/images/fli_oob/03r/others/03r04.fli new file mode 100644 index 00000000000..f05375e843b Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r04.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r05.fli b/Tests/images/fli_oob/03r/others/03r05.fli new file mode 100644 index 00000000000..03794432419 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r05.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r06.fli b/Tests/images/fli_oob/03r/others/03r06.fli new file mode 100644 index 00000000000..1527cbf91a0 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r06.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r07.fli b/Tests/images/fli_oob/03r/others/03r07.fli new file mode 100644 index 00000000000..c9dea41351d Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r07.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r08.fli b/Tests/images/fli_oob/03r/others/03r08.fli new file mode 100644 index 00000000000..698101443c5 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r08.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r09.fli b/Tests/images/fli_oob/03r/others/03r09.fli new file mode 100644 index 00000000000..12058480a44 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r09.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r10.fli b/Tests/images/fli_oob/03r/others/03r10.fli new file mode 100644 index 00000000000..448b0a812d7 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r10.fli differ diff --git a/Tests/images/fli_oob/03r/others/03r11.fli b/Tests/images/fli_oob/03r/others/03r11.fli new file mode 100644 index 00000000000..db1b5fe5870 Binary files /dev/null and b/Tests/images/fli_oob/03r/others/03r11.fli differ diff --git a/Tests/images/fli_oob/03r/reproducing b/Tests/images/fli_oob/03r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/03r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/04r/04r00.fli b/Tests/images/fli_oob/04r/04r00.fli new file mode 100644 index 00000000000..c4e416f3903 Binary files /dev/null and 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a/Tests/images/fli_oob/04r/others/04r03.fli b/Tests/images/fli_oob/04r/others/04r03.fli new file mode 100644 index 00000000000..ab92f4b6a83 Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r03.fli differ diff --git a/Tests/images/fli_oob/04r/others/04r04.fli b/Tests/images/fli_oob/04r/others/04r04.fli new file mode 100644 index 00000000000..533ffa027e8 Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r04.fli differ diff --git a/Tests/images/fli_oob/04r/others/04r05.fli b/Tests/images/fli_oob/04r/others/04r05.fli new file mode 100644 index 00000000000..b07ef6496af Binary files /dev/null and b/Tests/images/fli_oob/04r/others/04r05.fli differ diff --git a/Tests/images/fli_oob/04r/reproducing b/Tests/images/fli_oob/04r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/04r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/05r/05r00.fli b/Tests/images/fli_oob/05r/05r00.fli new file mode 100644 index 00000000000..dff5a01e804 Binary files /dev/null and b/Tests/images/fli_oob/05r/05r00.fli differ diff --git a/Tests/images/fli_oob/05r/notes b/Tests/images/fli_oob/05r/notes new file mode 100644 index 00000000000..bec9db779a7 --- /dev/null +++ b/Tests/images/fli_oob/05r/notes @@ -0,0 +1 @@ +failure to check input buffer (`data`) boundaries in LC chunk diff --git a/Tests/images/fli_oob/05r/others/05r01.fli b/Tests/images/fli_oob/05r/others/05r01.fli new file mode 100644 index 00000000000..1ad3444fec3 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r01.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r02.fli b/Tests/images/fli_oob/05r/others/05r02.fli new file mode 100644 index 00000000000..cd6429884c4 Binary files /dev/null and b/Tests/images/fli_oob/05r/others/05r02.fli differ diff --git a/Tests/images/fli_oob/05r/others/05r03.fli b/Tests/images/fli_oob/05r/others/05r03.fli new file mode 100644 index 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b/Tests/images/fli_oob/05r/others/05r07.fli differ diff --git a/Tests/images/fli_oob/05r/reproducing b/Tests/images/fli_oob/05r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/05r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/06r/06r00.fli b/Tests/images/fli_oob/06r/06r00.fli new file mode 100644 index 00000000000..9189d6ed03f Binary files /dev/null and b/Tests/images/fli_oob/06r/06r00.fli differ diff --git a/Tests/images/fli_oob/06r/notes b/Tests/images/fli_oob/06r/notes new file mode 100644 index 00000000000..397ad4748a3 --- /dev/null +++ b/Tests/images/fli_oob/06r/notes @@ -0,0 +1 @@ +failure to check input buffer (`data`) boundaries in SS2 chunk diff --git a/Tests/images/fli_oob/06r/others/06r01.fli b/Tests/images/fli_oob/06r/others/06r01.fli new file mode 100644 index 00000000000..24a99dacc4f Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r01.fli differ diff --git a/Tests/images/fli_oob/06r/others/06r02.fli b/Tests/images/fli_oob/06r/others/06r02.fli new file mode 100644 index 00000000000..02067a32c10 Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r02.fli differ diff --git a/Tests/images/fli_oob/06r/others/06r03.fli b/Tests/images/fli_oob/06r/others/06r03.fli new file mode 100644 index 00000000000..649668c0ad9 Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r03.fli differ diff --git a/Tests/images/fli_oob/06r/others/06r04.fli b/Tests/images/fli_oob/06r/others/06r04.fli new file mode 100644 index 00000000000..bff28ccfcea Binary files /dev/null and b/Tests/images/fli_oob/06r/others/06r04.fli differ diff --git a/Tests/images/fli_oob/06r/reproducing b/Tests/images/fli_oob/06r/reproducing new file mode 100644 index 00000000000..145b8b074a2 --- /dev/null +++ b/Tests/images/fli_oob/06r/reproducing @@ -0,0 +1 @@ +im = Image.open(d); im.seek(0); im.getdata() diff --git a/Tests/images/fli_oob/patch0/000000 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differ diff --git a/Tests/images/tga/common/200x32_rgba_tl_raw.tga b/Tests/images/tga/common/200x32_rgba_tl_raw.tga new file mode 100644 index 00000000000..92ab8940d4f Binary files /dev/null and b/Tests/images/tga/common/200x32_rgba_tl_raw.tga differ diff --git a/Tests/images/tga/common/200x32_rgba_tl_rle.tga b/Tests/images/tga/common/200x32_rgba_tl_rle.tga new file mode 100644 index 00000000000..2b593aee2db Binary files /dev/null and b/Tests/images/tga/common/200x32_rgba_tl_rle.tga differ diff --git a/Tests/images/tga/common/readme.txt b/Tests/images/tga/common/readme.txt new file mode 100644 index 00000000000..4535d7fe617 --- /dev/null +++ b/Tests/images/tga/common/readme.txt @@ -0,0 +1,12 @@ +Images in this directory were created with GIMP. + +TGAs have names in the following format: + + {width}x{height}_{mode}_{origin}_{compression}.tga + +Where: + mode is PIL mode in lower case (L, P, RGB, etc.) + origin: + "bl" - bottom left + "tl" - top left + compression is either "raw" or 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b/Tests/images/xmp_tags_orientation.png differ diff --git a/Tests/images/xmp_test.jpg b/Tests/images/xmp_test.jpg new file mode 100644 index 00000000000..4b9354f3a17 Binary files /dev/null and b/Tests/images/xmp_test.jpg differ diff --git a/Tests/images/zero_dpi.jp2 b/Tests/images/zero_dpi.jp2 new file mode 100644 index 00000000000..079271fc6d8 Binary files /dev/null and b/Tests/images/zero_dpi.jp2 differ diff --git a/Tests/import_all.py b/Tests/import_all.py deleted file mode 100644 index 11682237b28..00000000000 --- a/Tests/import_all.py +++ /dev/null @@ -1,16 +0,0 @@ -from __future__ import print_function - -import glob -import os -import traceback - -import sys -sys.path.insert(0, ".") - -for file in glob.glob("src/PIL/*.py"): - module = os.path.basename(file)[:-3] - try: - exec("from PIL import " + module) - except (ImportError, SyntaxError): - print("===", "failed to import", module) - traceback.print_exc() diff --git a/Tests/make_hash.py b/Tests/make_hash.py deleted file mode 100644 index 4412f65be53..00000000000 --- a/Tests/make_hash.py +++ /dev/null @@ -1,60 +0,0 @@ -# brute-force search for access descriptor hash table - -from __future__ import print_function - -modes = [ - "1", - "L", "LA", "La", - "I", "I;16", "I;16L", "I;16B", "I;32L", "I;32B", - "F", - "P", "PA", - "RGB", "RGBA", "RGBa", "RGBX", - "CMYK", - "YCbCr", - "LAB", "HSV", - ] - - -def hash(s, i): - # djb2 hash: multiply by 33 and xor character - for c in s: - i = (((i << 5) + i) ^ ord(c)) & 0xffffffff - return i - - -def check(size, i0): - h = [None] * size - for m in modes: - i = hash(m, i0) - i = i % size - if h[i]: - return 0 - h[i] = m - return h - -min_start = 0 - -# 1) find the smallest table size with no collisions -for min_size in range(len(modes), 16384): - if check(min_size, 0): - print(len(modes), "modes fit in", min_size, "slots") - break - -# 2) see if we can do better with a different initial value -for i0 in range(65556): - for size in range(1, min_size): - if check(size, i0): - if size < min_size: - print(len(modes), "modes fit in", size, "slots with start", i0) - min_size = size - min_start = i0 - -print() - -# print(check(min_size, min_start)) - -print("#define ACCESS_TABLE_SIZE", min_size) -print("#define ACCESS_TABLE_HASH", min_start) - -# for m in modes: -# print(m, "=>", hash(m, min_start) % min_size) diff --git a/Tests/oss-fuzz/build.sh b/Tests/oss-fuzz/build.sh new file mode 100755 index 00000000000..09cc7bc1696 --- /dev/null +++ b/Tests/oss-fuzz/build.sh @@ -0,0 +1,48 @@ +#!/bin/bash -eu +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ + +python3 setup.py build --build-base=/tmp/build install + +# Build fuzzers in $OUT. +for fuzzer in $(find $SRC -name 'fuzz_*.py'); do + fuzzer_basename=$(basename -s .py $fuzzer) + fuzzer_package=${fuzzer_basename}.pkg + pyinstaller \ + --add-binary /usr/local/lib/libjpeg.so.62.3.0:. \ + --add-binary /usr/local/lib/libfreetype.so.6:. \ + --add-binary /usr/local/lib/liblcms2.so.2:. \ + --add-binary /usr/local/lib/libopenjp2.so.7:. \ + --add-binary /usr/local/lib/libpng16.so.16:. \ + --add-binary /usr/local/lib/libtiff.so.5:. \ + --add-binary /usr/local/lib/libwebp.so.7:. \ + --add-binary /usr/local/lib/libwebpdemux.so.2:. \ + --add-binary /usr/local/lib/libwebpmux.so.3:. \ + --add-binary /usr/local/lib/libxcb.so.1:. \ + --distpath $OUT --onefile --name $fuzzer_package $fuzzer + + # Create execution wrapper. + echo "#!/bin/sh +# LLVMFuzzerTestOneInput for fuzzer detection. +this_dir=\$(dirname \"\$0\") +LD_PRELOAD=\$this_dir/sanitizer_with_fuzzer.so \ +ASAN_OPTIONS=\$ASAN_OPTIONS:symbolize=1:external_symbolizer_path=\$this_dir/llvm-symbolizer:detect_leaks=0 \ +\$this_dir/$fuzzer_package \$@" > $OUT/$fuzzer_basename + chmod u+x $OUT/$fuzzer_basename +done + +find Tests/images Tests/icc -print | zip -q $OUT/fuzz_pillow_seed_corpus.zip -@ +find Tests/fonts -print | zip -q $OUT/fuzz_font_seed_corpus.zip -@ diff --git a/Tests/oss-fuzz/build_dictionaries.sh b/Tests/oss-fuzz/build_dictionaries.sh new file mode 100755 index 00000000000..9aae56ca8d1 --- /dev/null +++ b/Tests/oss-fuzz/build_dictionaries.sh @@ -0,0 +1,33 @@ +#!/bin/bash -eu +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +################################################################################ + +# Generate image dictionaries here for each of the fuzzers and put them in the +# $OUT directory, named for the fuzzer + +git clone --depth 1 https://github.com/google/fuzzing +cat fuzzing/dictionaries/bmp.dict \ + fuzzing/dictionaries/dds.dict \ + fuzzing/dictionaries/gif.dict \ + fuzzing/dictionaries/icns.dict \ + fuzzing/dictionaries/jpeg.dict \ + fuzzing/dictionaries/jpeg2000.dict \ + fuzzing/dictionaries/pbm.dict \ + fuzzing/dictionaries/png.dict \ + fuzzing/dictionaries/psd.dict \ + fuzzing/dictionaries/tiff.dict \ + fuzzing/dictionaries/webp.dict \ + > $OUT/fuzz_pillow.dict diff --git a/Tests/oss-fuzz/fuzz_font.py b/Tests/oss-fuzz/fuzz_font.py new file mode 100755 index 00000000000..bc2ba9a7e27 --- /dev/null +++ b/Tests/oss-fuzz/fuzz_font.py @@ -0,0 +1,43 @@ +#!/usr/bin/python3 + +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +import atheris + +with atheris.instrument_imports(): + import sys + + import fuzzers + + +def TestOneInput(data): + try: + fuzzers.fuzz_font(data) + except Exception: + # We're catching all exceptions because Pillow's exceptions are + # directly inheriting from Exception. + pass + + +def main(): + fuzzers.enable_decompressionbomb_error() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + fuzzers.disable_decompressionbomb_error() + + +if __name__ == "__main__": + main() diff --git a/Tests/oss-fuzz/fuzz_pillow.py b/Tests/oss-fuzz/fuzz_pillow.py new file mode 100644 index 00000000000..545daccb680 --- /dev/null +++ b/Tests/oss-fuzz/fuzz_pillow.py @@ -0,0 +1,43 @@ +#!/usr/bin/python3 + +# Copyright 2020 Google LLC +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +import atheris + +with atheris.instrument_imports(): + import sys + + import fuzzers + + +def TestOneInput(data): + try: + fuzzers.fuzz_image(data) + except Exception: + # We're catching all exceptions because Pillow's exceptions are + # directly inheriting from Exception. + pass + + +def main(): + fuzzers.enable_decompressionbomb_error() + atheris.Setup(sys.argv, TestOneInput) + atheris.Fuzz() + fuzzers.disable_decompressionbomb_error() + + +if __name__ == "__main__": + main() diff --git a/Tests/oss-fuzz/fuzzers.py b/Tests/oss-fuzz/fuzzers.py new file mode 100644 index 00000000000..5786764a64d --- /dev/null +++ b/Tests/oss-fuzz/fuzzers.py @@ -0,0 +1,41 @@ +import io +import warnings + +from PIL import Image, ImageDraw, ImageFile, ImageFilter, ImageFont + + +def enable_decompressionbomb_error(): + ImageFile.LOAD_TRUNCATED_IMAGES = True + warnings.filterwarnings("ignore") + warnings.simplefilter("error", Image.DecompressionBombWarning) + + +def disable_decompressionbomb_error(): + ImageFile.LOAD_TRUNCATED_IMAGES = False + warnings.resetwarnings() + + +def fuzz_image(data): + # This will fail on some images in the corpus, as we have many + # invalid images in the test suite. + with Image.open(io.BytesIO(data)) as im: + im.rotate(45) + im.filter(ImageFilter.DETAIL) + im.save(io.BytesIO(), "BMP") + + +def fuzz_font(data): + wrapper = io.BytesIO(data) + try: + font = ImageFont.truetype(wrapper) + except OSError: + # Catch pcf/pilfonts/random garbage here. They return + # different font objects. + return + + font.getsize_multiline("ABC\nAaaa") + font.getmask("test text") + with Image.new(mode="RGBA", size=(200, 200)) as im: + draw = ImageDraw.Draw(im) + draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2) + draw.text((10, 10), "Test Text", font=font, fill="#000") diff --git a/Tests/oss-fuzz/python.supp b/Tests/oss-fuzz/python.supp new file mode 100644 index 00000000000..94cc87db97d --- /dev/null +++ b/Tests/oss-fuzz/python.supp @@ -0,0 +1,16 @@ +{ + + Memcheck:Cond + ... + fun:encode_current_locale +} + + +{ + + Memcheck:Cond + fun:inflate + fun:ZIPDecode + fun:_TIFFReadEncodedTileAndAllocBuffer + ... +} diff --git a/Tests/oss-fuzz/test_fuzzers.py b/Tests/oss-fuzz/test_fuzzers.py new file mode 100644 index 00000000000..629e9ac00d4 --- /dev/null +++ b/Tests/oss-fuzz/test_fuzzers.py @@ -0,0 +1,62 @@ +import subprocess +import sys + +import fuzzers +import packaging +import pytest + +from PIL import Image, features + +if sys.platform.startswith("win32"): + pytest.skip("Fuzzer is linux only", allow_module_level=True) +if features.check("libjpeg_turbo"): + version = packaging.version.parse(features.version("libjpeg_turbo")) + if version.major == 2 and version.minor == 0: + pytestmark = pytest.mark.valgrind_known_error( + reason="Known failing with libjpeg_turbo 2.0" + ) + + +@pytest.mark.parametrize( + "path", + subprocess.check_output("find Tests/images -type f", shell=True).split(b"\n"), +) +def test_fuzz_images(path): + fuzzers.enable_decompressionbomb_error() + try: + with open(path, "rb") as f: + fuzzers.fuzz_image(f.read()) + assert True + except ( + OSError, + SyntaxError, + MemoryError, + ValueError, + NotImplementedError, + OverflowError, + ): + # Known exceptions that are through from Pillow + assert True + except ( + Image.DecompressionBombError, + Image.DecompressionBombWarning, + Image.UnidentifiedImageError, + ): + # Known Image.* exceptions + assert True + finally: + fuzzers.disable_decompressionbomb_error() + + +@pytest.mark.parametrize( + "path", subprocess.check_output("find Tests/fonts -type f", shell=True).split(b"\n") +) +def test_fuzz_fonts(path): + if not path: + return + with open(path, "rb") as f: + try: + fuzzers.fuzz_font(f.read()) + except (Image.DecompressionBombError, Image.DecompressionBombWarning): + pass + assert True diff --git a/Tests/test_000_sanity.py b/Tests/test_000_sanity.py index 67aff8ecc87..59fbac527ed 100644 --- a/Tests/test_000_sanity.py +++ b/Tests/test_000_sanity.py @@ -1,30 +1,19 @@ -from helper import unittest, PillowTestCase - import PIL import PIL.Image -class TestSanity(PillowTestCase): - - def test_sanity(self): - - # Make sure we have the binary extension - im = PIL.Image.core.new("L", (100, 100)) - - self.assertEqual(PIL.Image.VERSION[:3], '1.1') - - # Create an image and do stuff with it. - im = PIL.Image.new("1", (100, 100)) - self.assertEqual((im.mode, im.size), ('1', (100, 100))) - self.assertEqual(len(im.tobytes()), 1300) - - # Create images in all remaining major modes. - im = PIL.Image.new("L", (100, 100)) - im = PIL.Image.new("P", (100, 100)) - im = PIL.Image.new("RGB", (100, 100)) - im = PIL.Image.new("I", (100, 100)) - im = PIL.Image.new("F", (100, 100)) +def test_sanity(): + # Make sure we have the binary extension + PIL.Image.core.new("L", (100, 100)) + # Create an image and do stuff with it. + im = PIL.Image.new("1", (100, 100)) + assert (im.mode, im.size) == ("1", (100, 100)) + assert len(im.tobytes()) == 1300 -if __name__ == '__main__': - unittest.main() + # Create images in all remaining major modes. + PIL.Image.new("L", (100, 100)) + PIL.Image.new("P", (100, 100)) + PIL.Image.new("RGB", (100, 100)) + PIL.Image.new("I", (100, 100)) + PIL.Image.new("F", (100, 100)) diff --git a/Tests/test_binary.py b/Tests/test_binary.py index 2fac9b3d591..4882e65e655 100644 --- a/Tests/test_binary.py +++ b/Tests/test_binary.py @@ -1,27 +1,22 @@ -from helper import unittest, PillowTestCase - from PIL import _binary -class TestBinary(PillowTestCase): +def test_standard(): + assert _binary.i8(b"*") == 42 + assert _binary.o8(42) == b"*" - def test_standard(self): - self.assertEqual(_binary.i8(b'*'), 42) - self.assertEqual(_binary.o8(42), b'*') - def test_little_endian(self): - self.assertEqual(_binary.i16le(b'\xff\xff\x00\x00'), 65535) - self.assertEqual(_binary.i32le(b'\xff\xff\x00\x00'), 65535) +def test_little_endian(): + assert _binary.i16le(b"\xff\xff\x00\x00") == 65535 + assert _binary.i32le(b"\xff\xff\x00\x00") == 65535 - self.assertEqual(_binary.o16le(65535), b'\xff\xff') - self.assertEqual(_binary.o32le(65535), b'\xff\xff\x00\x00') + assert _binary.o16le(65535) == b"\xff\xff" + assert _binary.o32le(65535) == b"\xff\xff\x00\x00" - def test_big_endian(self): - self.assertEqual(_binary.i16be(b'\x00\x00\xff\xff'), 0) - self.assertEqual(_binary.i32be(b'\x00\x00\xff\xff'), 65535) - self.assertEqual(_binary.o16be(65535), b'\xff\xff') - self.assertEqual(_binary.o32be(65535), b'\x00\x00\xff\xff') +def test_big_endian(): + assert _binary.i16be(b"\x00\x00\xff\xff") == 0 + assert _binary.i32be(b"\x00\x00\xff\xff") == 65535 -if __name__ == '__main__': - unittest.main() + assert _binary.o16be(65535) == b"\xff\xff" + assert _binary.o32be(65535) == b"\x00\x00\xff\xff" diff --git a/Tests/test_bmp_reference.py b/Tests/test_bmp_reference.py index 8e84cc8f19d..99e16391adc 100644 --- a/Tests/test_bmp_reference.py +++ b/Tests/test_bmp_reference.py @@ -1,106 +1,111 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase +import os + +import pytest from PIL import Image -import os -base = os.path.join('Tests', 'images', 'bmp') +from .helper import assert_image_similar + +base = os.path.join("Tests", "images", "bmp") + +def get_files(d, ext=".bmp"): + return [ + os.path.join(base, d, f) for f in os.listdir(os.path.join(base, d)) if ext in f + ] -class TestBmpReference(PillowTestCase): - def get_files(self, d, ext='.bmp'): - return [os.path.join(base, d, f) for f - in os.listdir(os.path.join(base, d)) if ext in f] +def test_bad(): + """These shouldn't crash/dos, but they shouldn't return anything + either""" + for f in get_files("b"): - def test_bad(self): - """ These shouldn't crash/dos, but they shouldn't return anything - either """ - for f in self.get_files('b'): + with pytest.warns(None) as record: try: - im = Image.open(f) - im.load() + with Image.open(f) as im: + im.load() except Exception: # as msg: pass - # print("Bad Image %s: %s" %(f,msg)) - - def test_questionable(self): - """ These shouldn't crash/dos, but it's not well defined that these - are in spec """ - supported = [ - "pal8os2v2.bmp", - "rgb24prof.bmp", - "pal1p1.bmp", - "pal8offs.bmp", - "rgb24lprof.bmp", - "rgb32fakealpha.bmp", - "rgb24largepal.bmp", - "pal8os2sp.bmp", - "rgb32bf-xbgr.bmp", - ] - for f in self.get_files('q'): - try: - im = Image.open(f) + + # Assert that there is no unclosed file warning + assert not record + + +def test_questionable(): + """These shouldn't crash/dos, but it's not well defined that these + are in spec""" + supported = [ + "pal8os2v2.bmp", + "rgb24prof.bmp", + "pal1p1.bmp", + "pal8offs.bmp", + "rgb24lprof.bmp", + "rgb32fakealpha.bmp", + "rgb24largepal.bmp", + "pal8os2sp.bmp", + "rgb32bf-xbgr.bmp", + ] + for f in get_files("q"): + try: + with Image.open(f) as im: im.load() - if os.path.basename(f) not in supported: - print("Please add %s to the partially supported bmp specs." % f) - except Exception: # as msg: - if os.path.basename(f) in supported: - raise - # print("Bad Image %s: %s" %(f,msg)) - - def test_good(self): - """ These should all work. There's a set of target files in the - html directory that we can compare against. """ - - # Target files, if they're not just replacing the extension - file_map = {'pal1wb.bmp': 'pal1.png', - 'pal4rle.bmp': 'pal4.png', - 'pal8-0.bmp': 'pal8.png', - 'pal8rle.bmp': 'pal8.png', - 'pal8topdown.bmp': 'pal8.png', - 'pal8nonsquare.bmp': 'pal8nonsquare-v.png', - 'pal8os2.bmp': 'pal8.png', - 'pal8os2sp.bmp': 'pal8.png', - 'pal8os2v2.bmp': 'pal8.png', - 'pal8os2v2-16.bmp': 'pal8.png', - 'pal8v4.bmp': 'pal8.png', - 'pal8v5.bmp': 'pal8.png', - 'rgb16-565pal.bmp': 'rgb16-565.png', - 'rgb24pal.bmp': 'rgb24.png', - 'rgb32.bmp': 'rgb24.png', - 'rgb32bf.bmp': 'rgb24.png' - } - - def get_compare(f): - name = os.path.split(f)[1] - if name in file_map: - return os.path.join(base, 'html', file_map[name]) - name = os.path.splitext(name)[0] - return os.path.join(base, 'html', "%s.png" % name) - - for f in self.get_files('g'): - try: - im = Image.open(f) + if os.path.basename(f) not in supported: + print(f"Please add {f} to the partially supported bmp specs.") + except Exception: # as msg: + if os.path.basename(f) in supported: + raise + + +def test_good(): + """These should all work. There's a set of target files in the + html directory that we can compare against.""" + + # Target files, if they're not just replacing the extension + file_map = { + "pal1wb.bmp": "pal1.png", + "pal4rle.bmp": "pal4.png", + "pal8-0.bmp": "pal8.png", + "pal8rle.bmp": "pal8.png", + "pal8topdown.bmp": "pal8.png", + "pal8nonsquare.bmp": "pal8nonsquare-v.png", + "pal8os2.bmp": "pal8.png", + "pal8os2sp.bmp": "pal8.png", + "pal8os2v2.bmp": "pal8.png", + "pal8os2v2-16.bmp": "pal8.png", + "pal8v4.bmp": "pal8.png", + "pal8v5.bmp": "pal8.png", + "rgb16-565pal.bmp": "rgb16-565.png", + "rgb24pal.bmp": "rgb24.png", + "rgb32.bmp": "rgb24.png", + "rgb32bf.bmp": "rgb24.png", + } + + def get_compare(f): + name = os.path.split(f)[1] + if name in file_map: + return os.path.join(base, "html", file_map[name]) + name = os.path.splitext(name)[0] + return os.path.join(base, "html", f"{name}.png") + + for f in get_files("g"): + try: + with Image.open(f) as im: im.load() - compare = Image.open(get_compare(f)) - compare.load() - if im.mode == 'P': - # assert image similar doesn't really work - # with paletized image, since the palette might - # be differently ordered for an equivalent image. - im = im.convert('RGBA') - compare = im.convert('RGBA') - self.assert_image_similar(im, compare, 5) - - except Exception as msg: - # there are three here that are unsupported: - unsupported = (os.path.join(base, 'g', 'rgb32bf.bmp'), - os.path.join(base, 'g', 'pal8rle.bmp'), - os.path.join(base, 'g', 'pal4rle.bmp')) - if f not in unsupported: - self.fail("Unsupported Image %s: %s" % (f, msg)) - - -if __name__ == '__main__': - unittest.main() + with Image.open(get_compare(f)) as compare: + compare.load() + if im.mode == "P": + # assert image similar doesn't really work + # with paletized image, since the palette might + # be differently ordered for an equivalent image. + im = im.convert("RGBA") + compare = im.convert("RGBA") + assert_image_similar(im, compare, 5) + + except Exception as msg: + # there are three here that are unsupported: + unsupported = ( + os.path.join(base, "g", "rgb32bf.bmp"), + os.path.join(base, "g", "pal8rle.bmp"), + os.path.join(base, "g", "pal4rle.bmp"), + ) + assert f in unsupported, f"Unsupported Image {f}: {msg}" diff --git a/Tests/test_box_blur.py b/Tests/test_box_blur.py index 622b842d004..94f504e0b55 100644 --- a/Tests/test_box_blur.py +++ b/Tests/test_box_blur.py @@ -1,9 +1,9 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, ImageOps +import pytest +from PIL import Image, ImageFilter sample = Image.new("L", (7, 5)) +# fmt: off sample.putdata(sum([ [210, 50, 20, 10, 220, 230, 80], [190, 210, 20, 180, 170, 40, 110], @@ -11,211 +11,254 @@ [220, 40, 230, 80, 130, 250, 40], [250, 0, 80, 30, 60, 20, 110], ], [])) +# fmt: on + + +def test_imageops_box_blur(): + i = sample.filter(ImageFilter.BoxBlur(1)) + assert i.mode == sample.mode + assert i.size == sample.size + assert isinstance(i, Image.Image) + + +def box_blur(image, radius=1, n=1): + return image._new(image.im.box_blur(radius, n)) + + +def assertImage(im, data, delta=0): + it = iter(im.getdata()) + for data_row in data: + im_row = [next(it) for _ in range(im.size[0])] + if any(abs(data_v - im_v) > delta for data_v, im_v in zip(data_row, im_row)): + assert im_row == data_row + with pytest.raises(StopIteration): + next(it) + + +def assertBlur(im, radius, data, passes=1, delta=0): + # check grayscale image + assertImage(box_blur(im, radius, passes), data, delta) + rgba = Image.merge("RGBA", (im, im, im, im)) + for band in box_blur(rgba, radius, passes).split(): + assertImage(band, data, delta) + + +def test_color_modes(): + with pytest.raises(ValueError): + box_blur(sample.convert("1")) + with pytest.raises(ValueError): + box_blur(sample.convert("P")) + box_blur(sample.convert("L")) + box_blur(sample.convert("LA")) + box_blur(sample.convert("LA").convert("La")) + with pytest.raises(ValueError): + box_blur(sample.convert("I")) + with pytest.raises(ValueError): + box_blur(sample.convert("F")) + box_blur(sample.convert("RGB")) + box_blur(sample.convert("RGBA")) + box_blur(sample.convert("RGBA").convert("RGBa")) + box_blur(sample.convert("CMYK")) + with pytest.raises(ValueError): + box_blur(sample.convert("YCbCr")) + + +def test_radius_0(): + assertBlur( + sample, + 0, + [ + # fmt: off + [210, 50, 20, 10, 220, 230, 80], + [190, 210, 20, 180, 170, 40, 110], + [120, 210, 250, 60, 220, 0, 220], + [220, 40, 230, 80, 130, 250, 40], + [250, 0, 80, 30, 60, 20, 110], + # fmt: on + ], + ) + + +def test_radius_0_02(): + assertBlur( + sample, + 0.02, + [ + # fmt: off + [206, 55, 20, 17, 215, 223, 83], + [189, 203, 31, 171, 169, 46, 110], + [125, 206, 241, 69, 210, 13, 210], + [215, 49, 221, 82, 131, 235, 48], + [244, 7, 80, 32, 60, 27, 107], + # fmt: on + ], + delta=2, + ) + + +def test_radius_0_05(): + assertBlur( + sample, + 0.05, + [ + # fmt: off + [202, 62, 22, 27, 209, 215, 88], + [188, 194, 44, 161, 168, 56, 111], + [131, 201, 229, 81, 198, 31, 198], + [209, 62, 209, 86, 133, 216, 59], + [237, 17, 80, 36, 60, 35, 103], + # fmt: on + ], + delta=2, + ) + + +def test_radius_0_1(): + assertBlur( + sample, + 0.1, + [ + # fmt: off + [196, 72, 24, 40, 200, 203, 93], + [187, 183, 62, 148, 166, 68, 111], + [139, 193, 213, 96, 182, 54, 182], + [201, 78, 193, 91, 133, 191, 73], + [227, 31, 80, 42, 61, 47, 99], + # fmt: on + ], + delta=1, + ) + + +def test_radius_0_5(): + assertBlur( + sample, + 0.5, + [ + # fmt: off + [176, 101, 46, 83, 163, 165, 111], + [176, 149, 108, 122, 144, 120, 117], + [164, 171, 159, 141, 134, 119, 129], + [170, 136, 133, 114, 116, 124, 109], + [184, 95, 72, 70, 69, 81, 89], + # fmt: on + ], + delta=1, + ) + + +def test_radius_1(): + assertBlur( + sample, + 1, + [ + # fmt: off + [170, 109, 63, 97, 146, 153, 116], + [168, 142, 112, 128, 126, 143, 121], + [169, 166, 142, 149, 126, 131, 114], + [159, 156, 109, 127, 94, 117, 112], + [164, 128, 63, 87, 76, 89, 90], + # fmt: on + ], + delta=1, + ) + + +def test_radius_1_5(): + assertBlur( + sample, + 1.5, + [ + # fmt: off + [155, 120, 105, 112, 124, 137, 130], + [160, 136, 124, 125, 127, 134, 130], + [166, 147, 130, 125, 120, 121, 119], + [168, 145, 119, 109, 103, 105, 110], + [168, 134, 96, 85, 85, 89, 97], + # fmt: on + ], + delta=1, + ) + + +def test_radius_bigger_then_half(): + assertBlur( + sample, + 3, + [ + # fmt: off + [144, 145, 142, 128, 114, 115, 117], + [148, 145, 137, 122, 109, 111, 112], + [152, 145, 131, 117, 103, 107, 108], + [156, 144, 126, 111, 97, 102, 103], + [160, 144, 121, 106, 92, 98, 99], + # fmt: on + ], + delta=1, + ) + + +def test_radius_bigger_then_width(): + assertBlur( + sample, + 10, + [ + [158, 153, 147, 141, 135, 129, 123], + [159, 153, 147, 141, 136, 130, 124], + [159, 154, 148, 142, 136, 130, 124], + [160, 154, 148, 142, 137, 131, 125], + [160, 155, 149, 143, 137, 131, 125], + ], + delta=0, + ) + + +def test_extreme_large_radius(): + assertBlur( + sample, + 600, + [ + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + [162, 162, 162, 162, 162, 162, 162], + ], + delta=1, + ) + + +def test_two_passes(): + assertBlur( + sample, + 1, + [ + # fmt: off + [153, 123, 102, 109, 132, 135, 129], + [159, 138, 123, 121, 133, 131, 126], + [162, 147, 136, 124, 127, 121, 121], + [159, 140, 125, 108, 111, 106, 108], + [154, 126, 105, 87, 94, 93, 97], + # fmt: on + ], + passes=2, + delta=1, + ) -class TestBoxBlurApi(PillowTestCase): - - def test_imageops_box_blur(self): - i = ImageOps.box_blur(sample, 1) - self.assertEqual(i.mode, sample.mode) - self.assertEqual(i.size, sample.size) - self.assertIsInstance(i, Image.Image) - - -class TestBoxBlur(PillowTestCase): - - def box_blur(self, image, radius=1, n=1): - return image._new(image.im.box_blur(radius, n)) - - def assertImage(self, im, data, delta=0): - it = iter(im.getdata()) - for data_row in data: - im_row = [next(it) for _ in range(im.size[0])] - if any( - abs(data_v - im_v) > delta - for data_v, im_v in zip(data_row, im_row) - ): - self.assertEqual(im_row, data_row) - self.assertRaises(StopIteration, next, it) - - def assertBlur(self, im, radius, data, passes=1, delta=0): - # check grayscale image - self.assertImage(self.box_blur(im, radius, passes), data, delta) - rgba = Image.merge('RGBA', (im, im, im, im)) - for band in self.box_blur(rgba, radius, passes).split(): - self.assertImage(band, data, delta) - - def test_color_modes(self): - self.assertRaises(ValueError, self.box_blur, sample.convert("1")) - self.assertRaises(ValueError, self.box_blur, sample.convert("P")) - self.box_blur(sample.convert("L")) - self.box_blur(sample.convert("LA")) - self.box_blur(sample.convert("LA").convert("La")) - self.assertRaises(ValueError, self.box_blur, sample.convert("I")) - self.assertRaises(ValueError, self.box_blur, sample.convert("F")) - self.box_blur(sample.convert("RGB")) - self.box_blur(sample.convert("RGBA")) - self.box_blur(sample.convert("RGBA").convert("RGBa")) - self.box_blur(sample.convert("CMYK")) - self.assertRaises(ValueError, self.box_blur, sample.convert("YCbCr")) - - def test_radius_0(self): - self.assertBlur( - sample, 0, - [ - [210, 50, 20, 10, 220, 230, 80], - [190, 210, 20, 180, 170, 40, 110], - [120, 210, 250, 60, 220, 0, 220], - [220, 40, 230, 80, 130, 250, 40], - [250, 0, 80, 30, 60, 20, 110], - ] - ) - - def test_radius_0_02(self): - self.assertBlur( - sample, 0.02, - [ - [206, 55, 20, 17, 215, 223, 83], - [189, 203, 31, 171, 169, 46, 110], - [125, 206, 241, 69, 210, 13, 210], - [215, 49, 221, 82, 131, 235, 48], - [244, 7, 80, 32, 60, 27, 107], - ], - delta=2, - ) - - def test_radius_0_05(self): - self.assertBlur( - sample, 0.05, - [ - [202, 62, 22, 27, 209, 215, 88], - [188, 194, 44, 161, 168, 56, 111], - [131, 201, 229, 81, 198, 31, 198], - [209, 62, 209, 86, 133, 216, 59], - [237, 17, 80, 36, 60, 35, 103], - ], - delta=2, - ) - - def test_radius_0_1(self): - self.assertBlur( - sample, 0.1, - [ - [196, 72, 24, 40, 200, 203, 93], - [187, 183, 62, 148, 166, 68, 111], - [139, 193, 213, 96, 182, 54, 182], - [201, 78, 193, 91, 133, 191, 73], - [227, 31, 80, 42, 61, 47, 99], - ], - delta=1, - ) - - def test_radius_0_5(self): - self.assertBlur( - sample, 0.5, - [ - [176, 101, 46, 83, 163, 165, 111], - [176, 149, 108, 122, 144, 120, 117], - [164, 171, 159, 141, 134, 119, 129], - [170, 136, 133, 114, 116, 124, 109], - [184, 95, 72, 70, 69, 81, 89], - ], - delta=1, - ) - - def test_radius_1(self): - self.assertBlur( - sample, 1, - [ - [170, 109, 63, 97, 146, 153, 116], - [168, 142, 112, 128, 126, 143, 121], - [169, 166, 142, 149, 126, 131, 114], - [159, 156, 109, 127, 94, 117, 112], - [164, 128, 63, 87, 76, 89, 90], - ], - delta=1, - ) - - def test_radius_1_5(self): - self.assertBlur( - sample, 1.5, - [ - [155, 120, 105, 112, 124, 137, 130], - [160, 136, 124, 125, 127, 134, 130], - [166, 147, 130, 125, 120, 121, 119], - [168, 145, 119, 109, 103, 105, 110], - [168, 134, 96, 85, 85, 89, 97], - ], - delta=1, - ) - - def test_radius_bigger_then_half(self): - self.assertBlur( - sample, 3, - [ - [144, 145, 142, 128, 114, 115, 117], - [148, 145, 137, 122, 109, 111, 112], - [152, 145, 131, 117, 103, 107, 108], - [156, 144, 126, 111, 97, 102, 103], - [160, 144, 121, 106, 92, 98, 99], - ], - delta=1, - ) - - def test_radius_bigger_then_width(self): - self.assertBlur( - sample, 10, - [ - [158, 153, 147, 141, 135, 129, 123], - [159, 153, 147, 141, 136, 130, 124], - [159, 154, 148, 142, 136, 130, 124], - [160, 154, 148, 142, 137, 131, 125], - [160, 155, 149, 143, 137, 131, 125], - ], - delta=0, - ) - - def test_exteme_large_radius(self): - self.assertBlur( - sample, 600, - [ - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - [162, 162, 162, 162, 162, 162, 162], - ], - delta=1, - ) - - def test_two_passes(self): - self.assertBlur( - sample, 1, - [ - [153, 123, 102, 109, 132, 135, 129], - [159, 138, 123, 121, 133, 131, 126], - [162, 147, 136, 124, 127, 121, 121], - [159, 140, 125, 108, 111, 106, 108], - [154, 126, 105, 87, 94, 93, 97], - ], - passes=2, - delta=1, - ) - - def test_three_passes(self): - self.assertBlur( - sample, 1, - [ - [146, 131, 116, 118, 126, 131, 130], - [151, 138, 125, 123, 126, 128, 127], - [154, 143, 129, 123, 120, 120, 119], - [152, 139, 122, 113, 108, 108, 108], - [148, 132, 112, 102, 97, 99, 100], - ], - passes=3, - delta=1, - ) - - -if __name__ == '__main__': - unittest.main() +def test_three_passes(): + assertBlur( + sample, + 1, + [ + # fmt: off + [146, 131, 116, 118, 126, 131, 130], + [151, 138, 125, 123, 126, 128, 127], + [154, 143, 129, 123, 120, 120, 119], + [152, 139, 122, 113, 108, 108, 108], + [148, 132, 112, 102, 97, 99, 100], + # fmt: on + ], + passes=3, + delta=1, + ) diff --git a/Tests/test_color_lut.py b/Tests/test_color_lut.py new file mode 100644 index 00000000000..99776ce58cf --- /dev/null +++ b/Tests/test_color_lut.py @@ -0,0 +1,561 @@ +from array import array + +import pytest + +from PIL import Image, ImageFilter + +from .helper import assert_image_equal + +try: + import numpy +except ImportError: + numpy = None + + +class TestColorLut3DCoreAPI: + def generate_identity_table(self, channels, size): + if isinstance(size, tuple): + size1D, size2D, size3D = size + else: + size1D, size2D, size3D = (size, size, size) + + table = [ + [ + r / (size1D - 1) if size1D != 1 else 0, + g / (size2D - 1) if size2D != 1 else 0, + b / (size3D - 1) if size3D != 1 else 0, + r / (size1D - 1) if size1D != 1 else 0, + g / (size2D - 1) if size2D != 1 else 0, + ][:channels] + for b in range(size3D) + for g in range(size2D) + for r in range(size1D) + ] + return ( + channels, + size1D, + size2D, + size3D, + [item for sublist in table for item in sublist], + ) + + def test_wrong_args(self): + im = Image.new("RGB", (10, 10), 0) + + with pytest.raises(ValueError, match="filter"): + im.im.color_lut_3d("RGB", Image.CUBIC, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="image mode"): + im.im.color_lut_3d( + "wrong", Image.LINEAR, *self.generate_identity_table(3, 3) + ) + + with pytest.raises(ValueError, match="table_channels"): + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(5, 3)) + + with pytest.raises(ValueError, match="table_channels"): + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(1, 3)) + + with pytest.raises(ValueError, match="table_channels"): + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(2, 3)) + + with pytest.raises(ValueError, match="Table size"): + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (1, 3, 3)) + ) + + with pytest.raises(ValueError, match="Table size"): + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (66, 3, 3)) + ) + + with pytest.raises(ValueError, match=r"size1D \* size2D \* size3D"): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, [0, 0, 0] * 7) + + with pytest.raises(ValueError, match=r"size1D \* size2D \* size3D"): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, [0, 0, 0] * 9) + + with pytest.raises(TypeError): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, [0, 0, "0"] * 8) + + with pytest.raises(TypeError): + im.im.color_lut_3d("RGB", Image.LINEAR, 3, 2, 2, 2, 16) + + def test_correct_args(self): + im = Image.new("RGB", (10, 10), 0) + + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(3, 3)) + + im.im.color_lut_3d("CMYK", Image.LINEAR, *self.generate_identity_table(4, 3)) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (2, 3, 3)) + ) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (65, 3, 3)) + ) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (3, 65, 3)) + ) + + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (3, 3, 65)) + ) + + def test_wrong_mode(self): + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("L", (10, 10), 0) + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("L", Image.LINEAR, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("L", (10, 10), 0) + im.im.color_lut_3d("L", Image.LINEAR, *self.generate_identity_table(3, 3)) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d( + "RGBA", Image.LINEAR, *self.generate_identity_table(3, 3) + ) + + with pytest.raises(ValueError, match="wrong mode"): + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("RGB", Image.LINEAR, *self.generate_identity_table(4, 3)) + + def test_correct_mode(self): + im = Image.new("RGBA", (10, 10), 0) + im.im.color_lut_3d("RGBA", Image.LINEAR, *self.generate_identity_table(3, 3)) + + im = Image.new("RGBA", (10, 10), 0) + im.im.color_lut_3d("RGBA", Image.LINEAR, *self.generate_identity_table(4, 3)) + + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("HSV", Image.LINEAR, *self.generate_identity_table(3, 3)) + + im = Image.new("RGB", (10, 10), 0) + im.im.color_lut_3d("RGBA", Image.LINEAR, *self.generate_identity_table(4, 3)) + + def test_identities(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # Fast test with small cubes + for size in [2, 3, 5, 7, 11, 16, 17]: + assert_image_equal( + im, + im._new( + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, size) + ) + ), + ) + + # Not so fast + assert_image_equal( + im, + im._new( + im.im.color_lut_3d( + "RGB", Image.LINEAR, *self.generate_identity_table(3, (2, 2, 65)) + ) + ), + ) + + def test_identities_4_channels(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # Red channel copied to alpha + assert_image_equal( + Image.merge("RGBA", (im.split() * 2)[:4]), + im._new( + im.im.color_lut_3d( + "RGBA", Image.LINEAR, *self.generate_identity_table(4, 17) + ) + ), + ) + + def test_copy_alpha_channel(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGBA", + [ + g, + g.transpose(Image.ROTATE_90), + g.transpose(Image.ROTATE_180), + g.transpose(Image.ROTATE_270), + ], + ) + + assert_image_equal( + im, + im._new( + im.im.color_lut_3d( + "RGBA", Image.LINEAR, *self.generate_identity_table(3, 17) + ) + ), + ) + + def test_channels_order(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # Reverse channels by splitting and using table + # fmt: off + assert_image_equal( + Image.merge('RGB', im.split()[::-1]), + im._new(im.im.color_lut_3d('RGB', Image.LINEAR, + 3, 2, 2, 2, [ + 0, 0, 0, 0, 0, 1, + 0, 1, 0, 0, 1, 1, + + 1, 0, 0, 1, 0, 1, + 1, 1, 0, 1, 1, 1, + ]))) + # fmt: on + + def test_overflow(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + # fmt: off + transformed = im._new(im.im.color_lut_3d('RGB', Image.LINEAR, + 3, 2, 2, 2, + [ + -1, -1, -1, 2, -1, -1, + -1, 2, -1, 2, 2, -1, + + -1, -1, 2, 2, -1, 2, + -1, 2, 2, 2, 2, 2, + ])).load() + # fmt: on + assert transformed[0, 0] == (0, 0, 255) + assert transformed[50, 50] == (0, 0, 255) + assert transformed[255, 0] == (0, 255, 255) + assert transformed[205, 50] == (0, 255, 255) + assert transformed[0, 255] == (255, 0, 0) + assert transformed[50, 205] == (255, 0, 0) + assert transformed[255, 255] == (255, 255, 0) + assert transformed[205, 205] == (255, 255, 0) + + # fmt: off + transformed = im._new(im.im.color_lut_3d('RGB', Image.LINEAR, + 3, 2, 2, 2, + [ + -3, -3, -3, 5, -3, -3, + -3, 5, -3, 5, 5, -3, + + -3, -3, 5, 5, -3, 5, + -3, 5, 5, 5, 5, 5, + ])).load() + # fmt: on + assert transformed[0, 0] == (0, 0, 255) + assert transformed[50, 50] == (0, 0, 255) + assert transformed[255, 0] == (0, 255, 255) + assert transformed[205, 50] == (0, 255, 255) + assert transformed[0, 255] == (255, 0, 0) + assert transformed[50, 205] == (255, 0, 0) + assert transformed[255, 255] == (255, 255, 0) + assert transformed[205, 205] == (255, 255, 0) + + +class TestColorLut3DFilter: + def test_wrong_args(self): + with pytest.raises(ValueError, match="should be either an integer"): + ImageFilter.Color3DLUT("small", [1]) + + with pytest.raises(ValueError, match="should be either an integer"): + ImageFilter.Color3DLUT((11, 11), [1]) + + with pytest.raises(ValueError, match=r"in \[2, 65\] range"): + ImageFilter.Color3DLUT((11, 11, 1), [1]) + + with pytest.raises(ValueError, match=r"in \[2, 65\] range"): + ImageFilter.Color3DLUT((11, 11, 66), [1]) + + with pytest.raises(ValueError, match="table should have .+ items"): + ImageFilter.Color3DLUT((3, 3, 3), [1, 1, 1]) + + with pytest.raises(ValueError, match="table should have .+ items"): + ImageFilter.Color3DLUT((3, 3, 3), [[1, 1, 1]] * 2) + + with pytest.raises(ValueError, match="should have a length of 4"): + ImageFilter.Color3DLUT((3, 3, 3), [[1, 1, 1]] * 27, channels=4) + + with pytest.raises(ValueError, match="should have a length of 3"): + ImageFilter.Color3DLUT((2, 2, 2), [[1, 1]] * 8) + + with pytest.raises(ValueError, match="Only 3 or 4 output"): + ImageFilter.Color3DLUT((2, 2, 2), [[1, 1]] * 8, channels=2) + + def test_convert_table(self): + lut = ImageFilter.Color3DLUT(2, [0, 1, 2] * 8) + assert tuple(lut.size) == (2, 2, 2) + assert lut.name == "Color 3D LUT" + + # fmt: off + lut = ImageFilter.Color3DLUT((2, 2, 2), [ + (0, 1, 2), (3, 4, 5), (6, 7, 8), (9, 10, 11), + (12, 13, 14), (15, 16, 17), (18, 19, 20), (21, 22, 23)]) + # fmt: on + assert tuple(lut.size) == (2, 2, 2) + assert lut.table == list(range(24)) + + lut = ImageFilter.Color3DLUT((2, 2, 2), [(0, 1, 2, 3)] * 8, channels=4) + assert tuple(lut.size) == (2, 2, 2) + assert lut.table == list(range(4)) * 8 + + @pytest.mark.skipif(numpy is None, reason="NumPy not installed") + def test_numpy_sources(self): + table = numpy.ones((5, 6, 7, 3), dtype=numpy.float16) + with pytest.raises(ValueError, match="should have either channels"): + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + + table = numpy.ones((7, 6, 5, 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + assert isinstance(lut.table, numpy.ndarray) + assert lut.table.dtype == table.dtype + assert lut.table.shape == (table.size,) + + table = numpy.ones((7 * 6 * 5, 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + assert lut.table.shape == (table.size,) + + table = numpy.ones((7 * 6 * 5 * 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table) + assert lut.table.shape == (table.size,) + + # Check application + Image.new("RGB", (10, 10), 0).filter(lut) + + # Check copy + table[0] = 33 + assert lut.table[0] == 1 + + # Check not copy + table = numpy.ones((7 * 6 * 5 * 3), dtype=numpy.float16) + lut = ImageFilter.Color3DLUT((5, 6, 7), table, _copy_table=False) + table[0] = 33 + assert lut.table[0] == 33 + + @pytest.mark.skipif(numpy is None, reason="NumPy not installed") + def test_numpy_formats(self): + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float32)[:-1] + with pytest.raises(ValueError, match="should have table_channels"): + im.filter(lut) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float32).reshape((7 * 9 * 11), 3) + with pytest.raises(ValueError, match="should have table_channels"): + im.filter(lut) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float16) + assert_image_equal(im, im.filter(lut)) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float32) + assert_image_equal(im, im.filter(lut)) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.float64) + assert_image_equal(im, im.filter(lut)) + + lut = ImageFilter.Color3DLUT.generate((7, 9, 11), lambda r, g, b: (r, g, b)) + lut.table = numpy.array(lut.table, dtype=numpy.int32) + im.filter(lut) + lut.table = numpy.array(lut.table, dtype=numpy.int8) + im.filter(lut) + + def test_repr(self): + lut = ImageFilter.Color3DLUT(2, [0, 1, 2] * 8) + assert repr(lut) == "" + + lut = ImageFilter.Color3DLUT( + (3, 4, 5), + array("f", [0, 0, 0, 0] * (3 * 4 * 5)), + channels=4, + target_mode="YCbCr", + _copy_table=False, + ) + assert ( + repr(lut) + == "" + ) + + +class TestGenerateColorLut3D: + def test_wrong_channels_count(self): + with pytest.raises(ValueError, match="3 or 4 output channels"): + ImageFilter.Color3DLUT.generate( + 5, channels=2, callback=lambda r, g, b: (r, g, b) + ) + + with pytest.raises(ValueError, match="should have either channels"): + ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b, r)) + + with pytest.raises(ValueError, match="should have either channels"): + ImageFilter.Color3DLUT.generate( + 5, channels=4, callback=lambda r, g, b: (r, g, b) + ) + + def test_3_channels(self): + lut = ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b)) + assert tuple(lut.size) == (5, 5, 5) + assert lut.name == "Color 3D LUT" + # fmt: off + assert lut.table[:24] == [ + 0.0, 0.0, 0.0, 0.25, 0.0, 0.0, 0.5, 0.0, 0.0, 0.75, 0.0, 0.0, + 1.0, 0.0, 0.0, 0.0, 0.25, 0.0, 0.25, 0.25, 0.0, 0.5, 0.25, 0.0] + # fmt: on + + def test_4_channels(self): + lut = ImageFilter.Color3DLUT.generate( + 5, channels=4, callback=lambda r, g, b: (b, r, g, (r + g + b) / 2) + ) + assert tuple(lut.size) == (5, 5, 5) + assert lut.name == "Color 3D LUT" + # fmt: off + assert lut.table[:24] == [ + 0.0, 0.0, 0.0, 0.0, 0.0, 0.25, 0.0, 0.125, 0.0, 0.5, 0.0, 0.25, + 0.0, 0.75, 0.0, 0.375, 0.0, 1.0, 0.0, 0.5, 0.0, 0.0, 0.25, 0.125 + ] + # fmt: on + + def test_apply(self): + lut = ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b)) + + g = Image.linear_gradient("L") + im = Image.merge( + "RGB", [g, g.transpose(Image.ROTATE_90), g.transpose(Image.ROTATE_180)] + ) + assert im == im.filter(lut) + + +class TestTransformColorLut3D: + def test_wrong_args(self): + source = ImageFilter.Color3DLUT.generate(5, lambda r, g, b: (r, g, b)) + + with pytest.raises(ValueError, match="Only 3 or 4 output"): + source.transform(lambda r, g, b: (r, g, b), channels=8) + + with pytest.raises(ValueError, match="should have either channels"): + source.transform(lambda r, g, b: (r, g, b), channels=4) + + with pytest.raises(ValueError, match="should have either channels"): + source.transform(lambda r, g, b: (r, g, b, 1)) + + with pytest.raises(TypeError): + source.transform(lambda r, g, b, a: (r, g, b)) + + def test_target_mode(self): + source = ImageFilter.Color3DLUT.generate( + 2, lambda r, g, b: (r, g, b), target_mode="HSV" + ) + + lut = source.transform(lambda r, g, b: (r, g, b)) + assert lut.mode == "HSV" + + lut = source.transform(lambda r, g, b: (r, g, b), target_mode="RGB") + assert lut.mode == "RGB" + + def test_3_to_3_channels(self): + source = ImageFilter.Color3DLUT.generate((3, 4, 5), lambda r, g, b: (r, g, b)) + lut = source.transform(lambda r, g, b: (r * r, g * g, b * b)) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + assert lut.table[0:10] == [0.0, 0.0, 0.0, 0.25, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0] + + def test_3_to_4_channels(self): + source = ImageFilter.Color3DLUT.generate((6, 5, 4), lambda r, g, b: (r, g, b)) + lut = source.transform(lambda r, g, b: (r * r, g * g, b * b, 1), channels=4) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) != len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:16] == [ + 0.0, 0.0, 0.0, 1, 0.2**2, 0.0, 0.0, 1, + 0.4**2, 0.0, 0.0, 1, 0.6**2, 0.0, 0.0, 1] + # fmt: on + + def test_4_to_3_channels(self): + source = ImageFilter.Color3DLUT.generate( + (3, 6, 5), lambda r, g, b: (r, g, b, 1), channels=4 + ) + lut = source.transform( + lambda r, g, b, a: (a - r * r, a - g * g, a - b * b), channels=3 + ) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) != len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:18] == [ + 1.0, 1.0, 1.0, 0.75, 1.0, 1.0, 0.0, 1.0, 1.0, + 1.0, 0.96, 1.0, 0.75, 0.96, 1.0, 0.0, 0.96, 1.0] + # fmt: on + + def test_4_to_4_channels(self): + source = ImageFilter.Color3DLUT.generate( + (6, 5, 4), lambda r, g, b: (r, g, b, 1), channels=4 + ) + lut = source.transform(lambda r, g, b, a: (r * r, g * g, b * b, a - 0.5)) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:16] == [ + 0.0, 0.0, 0.0, 0.5, 0.2**2, 0.0, 0.0, 0.5, + 0.4**2, 0.0, 0.0, 0.5, 0.6**2, 0.0, 0.0, 0.5] + # fmt: on + + def test_with_normals_3_channels(self): + source = ImageFilter.Color3DLUT.generate( + (6, 5, 4), lambda r, g, b: (r * r, g * g, b * b) + ) + lut = source.transform( + lambda nr, ng, nb, r, g, b: (nr - r, ng - g, nb - b), with_normals=True + ) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:18] == [ + 0.0, 0.0, 0.0, 0.16, 0.0, 0.0, 0.24, 0.0, 0.0, + 0.24, 0.0, 0.0, 0.8 - (0.8**2), 0, 0, 0, 0, 0] + # fmt: on + + def test_with_normals_4_channels(self): + source = ImageFilter.Color3DLUT.generate( + (3, 6, 5), lambda r, g, b: (r * r, g * g, b * b, 1), channels=4 + ) + lut = source.transform( + lambda nr, ng, nb, r, g, b, a: (nr - r, ng - g, nb - b, a - 0.5), + with_normals=True, + ) + assert tuple(lut.size) == tuple(source.size) + assert len(lut.table) == len(source.table) + assert lut.table != source.table + # fmt: off + assert lut.table[0:16] == [ + 0.0, 0.0, 0.0, 0.5, 0.25, 0.0, 0.0, 0.5, + 0.0, 0.0, 0.0, 0.5, 0.0, 0.16, 0.0, 0.5] + # fmt: on diff --git a/Tests/test_core_resources.py b/Tests/test_core_resources.py index 11f26d38e80..6c52d25a4aa 100644 --- a/Tests/test_core_resources.py +++ b/Tests/test_core_resources.py @@ -1,181 +1,189 @@ -from __future__ import division, print_function - import sys -from helper import unittest, PillowTestCase +import pytest + from PIL import Image +from .helper import is_pypy -is_pypy = hasattr(sys, 'pypy_version_info') +def test_get_stats(): + # Create at least one image + Image.new("RGB", (10, 10)) -class TestCoreStats(PillowTestCase): - def test_get_stats(self): - # Create at least one image - Image.new('RGB', (10, 10)) + stats = Image.core.get_stats() + assert "new_count" in stats + assert "reused_blocks" in stats + assert "freed_blocks" in stats + assert "allocated_blocks" in stats + assert "reallocated_blocks" in stats + assert "blocks_cached" in stats - stats = Image.core.get_stats() - self.assertIn('new_count', stats) - self.assertIn('reused_blocks', stats) - self.assertIn('freed_blocks', stats) - self.assertIn('allocated_blocks', stats) - self.assertIn('reallocated_blocks', stats) - self.assertIn('blocks_cached', stats) - - def test_reset_stats(self): - Image.core.reset_stats() - stats = Image.core.get_stats() - self.assertEqual(stats['new_count'], 0) - self.assertEqual(stats['reused_blocks'], 0) - self.assertEqual(stats['freed_blocks'], 0) - self.assertEqual(stats['allocated_blocks'], 0) - self.assertEqual(stats['reallocated_blocks'], 0) - self.assertEqual(stats['blocks_cached'], 0) +def test_reset_stats(): + Image.core.reset_stats() + + stats = Image.core.get_stats() + assert stats["new_count"] == 0 + assert stats["reused_blocks"] == 0 + assert stats["freed_blocks"] == 0 + assert stats["allocated_blocks"] == 0 + assert stats["reallocated_blocks"] == 0 + assert stats["blocks_cached"] == 0 -class TestCoreMemory(PillowTestCase): - def tearDown(self): +class TestCoreMemory: + def teardown_method(self): # Restore default values Image.core.set_alignment(1) - Image.core.set_block_size(1024*1024) + Image.core.set_block_size(1024 * 1024) Image.core.set_blocks_max(0) Image.core.clear_cache() def test_get_alignment(self): alignment = Image.core.get_alignment() - self.assertGreater(alignment, 0) + assert alignment > 0 def test_set_alignment(self): for i in [1, 2, 4, 8, 16, 32]: Image.core.set_alignment(i) alignment = Image.core.get_alignment() - self.assertEqual(alignment, i) + assert alignment == i # Try to construct new image - Image.new('RGB', (10, 10)) + Image.new("RGB", (10, 10)) - self.assertRaises(ValueError, Image.core.set_alignment, 0) - self.assertRaises(ValueError, Image.core.set_alignment, -1) - self.assertRaises(ValueError, Image.core.set_alignment, 3) + with pytest.raises(ValueError): + Image.core.set_alignment(0) + with pytest.raises(ValueError): + Image.core.set_alignment(-1) + with pytest.raises(ValueError): + Image.core.set_alignment(3) def test_get_block_size(self): block_size = Image.core.get_block_size() - self.assertGreaterEqual(block_size, 4096) + assert block_size >= 4096 def test_set_block_size(self): - for i in [4096, 2*4096, 3*4096]: + for i in [4096, 2 * 4096, 3 * 4096]: Image.core.set_block_size(i) block_size = Image.core.get_block_size() - self.assertEqual(block_size, i) + assert block_size == i # Try to construct new image - Image.new('RGB', (10, 10)) + Image.new("RGB", (10, 10)) - self.assertRaises(ValueError, Image.core.set_block_size, 0) - self.assertRaises(ValueError, Image.core.set_block_size, -1) - self.assertRaises(ValueError, Image.core.set_block_size, 4000) + with pytest.raises(ValueError): + Image.core.set_block_size(0) + with pytest.raises(ValueError): + Image.core.set_block_size(-1) + with pytest.raises(ValueError): + Image.core.set_block_size(4000) def test_set_block_size_stats(self): Image.core.reset_stats() Image.core.set_blocks_max(0) Image.core.set_block_size(4096) - Image.new('RGB', (256, 256)) + Image.new("RGB", (256, 256)) stats = Image.core.get_stats() - self.assertGreaterEqual(stats['new_count'], 1) - self.assertGreaterEqual(stats['allocated_blocks'], 64) - if not is_pypy: - self.assertGreaterEqual(stats['freed_blocks'], 64) + assert stats["new_count"] >= 1 + assert stats["allocated_blocks"] >= 64 + if not is_pypy(): + assert stats["freed_blocks"] >= 64 def test_get_blocks_max(self): blocks_max = Image.core.get_blocks_max() - self.assertGreaterEqual(blocks_max, 0) + assert blocks_max >= 0 def test_set_blocks_max(self): for i in [0, 1, 10]: Image.core.set_blocks_max(i) blocks_max = Image.core.get_blocks_max() - self.assertEqual(blocks_max, i) + assert blocks_max == i # Try to construct new image - Image.new('RGB', (10, 10)) + Image.new("RGB", (10, 10)) - self.assertRaises(ValueError, Image.core.set_blocks_max, -1) + with pytest.raises(ValueError): + Image.core.set_blocks_max(-1) + if sys.maxsize < 2 ** 32: + with pytest.raises(ValueError): + Image.core.set_blocks_max(2 ** 29) - @unittest.skipIf(is_pypy, "images are not collected") + @pytest.mark.skipif(is_pypy(), reason="Images not collected") def test_set_blocks_max_stats(self): Image.core.reset_stats() Image.core.set_blocks_max(128) Image.core.set_block_size(4096) - Image.new('RGB', (256, 256)) - Image.new('RGB', (256, 256)) + Image.new("RGB", (256, 256)) + Image.new("RGB", (256, 256)) stats = Image.core.get_stats() - self.assertGreaterEqual(stats['new_count'], 2) - self.assertGreaterEqual(stats['allocated_blocks'], 64) - self.assertGreaterEqual(stats['reused_blocks'], 64) - self.assertEqual(stats['freed_blocks'], 0) - self.assertEqual(stats['blocks_cached'], 64) + assert stats["new_count"] >= 2 + assert stats["allocated_blocks"] >= 64 + assert stats["reused_blocks"] >= 64 + assert stats["freed_blocks"] == 0 + assert stats["blocks_cached"] == 64 - @unittest.skipIf(is_pypy, "images are not collected") + @pytest.mark.skipif(is_pypy(), reason="Images not collected") def test_clear_cache_stats(self): Image.core.reset_stats() Image.core.clear_cache() Image.core.set_blocks_max(128) Image.core.set_block_size(4096) - Image.new('RGB', (256, 256)) - Image.new('RGB', (256, 256)) + Image.new("RGB", (256, 256)) + Image.new("RGB", (256, 256)) # Keep 16 blocks in cache Image.core.clear_cache(16) stats = Image.core.get_stats() - self.assertGreaterEqual(stats['new_count'], 2) - self.assertGreaterEqual(stats['allocated_blocks'], 64) - self.assertGreaterEqual(stats['reused_blocks'], 64) - self.assertGreaterEqual(stats['freed_blocks'], 48) - self.assertEqual(stats['blocks_cached'], 16) + assert stats["new_count"] >= 2 + assert stats["allocated_blocks"] >= 64 + assert stats["reused_blocks"] >= 64 + assert stats["freed_blocks"] >= 48 + assert stats["blocks_cached"] == 16 def test_large_images(self): Image.core.reset_stats() Image.core.set_blocks_max(0) Image.core.set_block_size(4096) - Image.new('RGB', (2048, 16)) + Image.new("RGB", (2048, 16)) Image.core.clear_cache() stats = Image.core.get_stats() - self.assertGreaterEqual(stats['new_count'], 1) - self.assertGreaterEqual(stats['allocated_blocks'], 16) - self.assertGreaterEqual(stats['reused_blocks'], 0) - self.assertEqual(stats['blocks_cached'], 0) - if not is_pypy: - self.assertGreaterEqual(stats['freed_blocks'], 16) + assert stats["new_count"] >= 1 + assert stats["allocated_blocks"] >= 16 + assert stats["reused_blocks"] >= 0 + assert stats["blocks_cached"] == 0 + if not is_pypy(): + assert stats["freed_blocks"] >= 16 -class TestEnvVars(PillowTestCase): - def tearDown(self): +class TestEnvVars: + def teardown_method(self): # Restore default values Image.core.set_alignment(1) - Image.core.set_block_size(1024*1024) + Image.core.set_block_size(1024 * 1024) Image.core.set_blocks_max(0) Image.core.clear_cache() def test_units(self): - Image._apply_env_variables({'PILLOW_BLOCKS_MAX': '2K'}) - self.assertEqual(Image.core.get_blocks_max(), 2*1024) - Image._apply_env_variables({'PILLOW_BLOCK_SIZE': '2m'}) - self.assertEqual(Image.core.get_block_size(), 2*1024*1024) + Image._apply_env_variables({"PILLOW_BLOCKS_MAX": "2K"}) + assert Image.core.get_blocks_max() == 2 * 1024 + Image._apply_env_variables({"PILLOW_BLOCK_SIZE": "2m"}) + assert Image.core.get_block_size() == 2 * 1024 * 1024 def test_warnings(self): - self.assert_warning( - UserWarning, Image._apply_env_variables, - {'PILLOW_ALIGNMENT': '15'}) - self.assert_warning( - UserWarning, Image._apply_env_variables, - {'PILLOW_BLOCK_SIZE': '1024'}) - self.assert_warning( - UserWarning, Image._apply_env_variables, - {'PILLOW_BLOCKS_MAX': 'wat'}) + pytest.warns( + UserWarning, Image._apply_env_variables, {"PILLOW_ALIGNMENT": "15"} + ) + pytest.warns( + UserWarning, Image._apply_env_variables, {"PILLOW_BLOCK_SIZE": "1024"} + ) + pytest.warns( + UserWarning, Image._apply_env_variables, {"PILLOW_BLOCKS_MAX": "wat"} + ) diff --git a/Tests/test_decompression_bomb.py b/Tests/test_decompression_bomb.py index 4da8760cdc1..d918ef9410c 100644 --- a/Tests/test_decompression_bomb.py +++ b/Tests/test_decompression_bomb.py @@ -1,65 +1,106 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import hopper + TEST_FILE = "Tests/images/hopper.ppm" ORIGINAL_LIMIT = Image.MAX_IMAGE_PIXELS -class TestDecompressionBomb(PillowTestCase): - - def tearDown(self): +class TestDecompressionBomb: + def teardown_method(self, method): Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT def test_no_warning_small_file(self): # Implicit assert: no warning. # A warning would cause a failure. - Image.open(TEST_FILE) + with Image.open(TEST_FILE): + pass def test_no_warning_no_limit(self): # Arrange # Turn limit off Image.MAX_IMAGE_PIXELS = None - self.assertIsNone(Image.MAX_IMAGE_PIXELS) + assert Image.MAX_IMAGE_PIXELS is None # Act / Assert # Implicit assert: no warning. # A warning would cause a failure. - Image.open(TEST_FILE) + with Image.open(TEST_FILE): + pass def test_warning(self): # Set limit to trigger warning on the test file - Image.MAX_IMAGE_PIXELS = 128 * 128 -1 - self.assertEqual(Image.MAX_IMAGE_PIXELS, 128 * 128 - 1) + Image.MAX_IMAGE_PIXELS = 128 * 128 - 1 + assert Image.MAX_IMAGE_PIXELS == 128 * 128 - 1 - self.assert_warning(Image.DecompressionBombWarning, - Image.open, TEST_FILE) + def open(): + with Image.open(TEST_FILE): + pass + + pytest.warns(Image.DecompressionBombWarning, open) def test_exception(self): # Set limit to trigger exception on the test file - Image.MAX_IMAGE_PIXELS = 64 * 128 -1 - self.assertEqual(Image.MAX_IMAGE_PIXELS, 64 * 128 - 1) - - self.assertRaises(Image.DecompressionBombError, - lambda: Image.open(TEST_FILE)) - -class TestDecompressionCrop(PillowTestCase): - - def setUp(self): - self.src = hopper() - Image.MAX_IMAGE_PIXELS = self.src.height * self.src.width * 4 - 1 - - def tearDown(self): + Image.MAX_IMAGE_PIXELS = 64 * 128 - 1 + assert Image.MAX_IMAGE_PIXELS == 64 * 128 - 1 + + with pytest.raises(Image.DecompressionBombError): + with Image.open(TEST_FILE): + pass + + @pytest.mark.xfail(reason="different exception") + def test_exception_ico(self): + with pytest.raises(Image.DecompressionBombError): + with Image.open("Tests/images/decompression_bomb.ico"): + pass + + def test_exception_gif(self): + with pytest.raises(Image.DecompressionBombError): + with Image.open("Tests/images/decompression_bomb.gif"): + pass + + def test_exception_bmp(self): + with pytest.raises(Image.DecompressionBombError): + with Image.open("Tests/images/bmp/b/reallybig.bmp"): + pass + + +class TestDecompressionCrop: + @classmethod + def setup_class(self): + width, height = 128, 128 + Image.MAX_IMAGE_PIXELS = height * width * 4 - 1 + + @classmethod + def teardown_class(self): Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT def testEnlargeCrop(self): # Crops can extend the extents, therefore we should have the # same decompression bomb warnings on them. - box = (0, 0, self.src.width * 2, self.src.height * 2) - self.assert_warning(Image.DecompressionBombWarning, - self.src.crop, box) + with hopper() as src: + box = (0, 0, src.width * 2, src.height * 2) + pytest.warns(Image.DecompressionBombWarning, src.crop, box) + + def test_crop_decompression_checks(self): + + im = Image.new("RGB", (100, 100)) + + good_values = ((-9999, -9999, -9990, -9990), (-999, -999, -990, -990)) + + warning_values = ((-160, -160, 99, 99), (160, 160, -99, -99)) + + error_values = ((-99909, -99990, 99999, 99999), (99909, 99990, -99999, -99999)) + + for value in good_values: + assert im.crop(value).size == (9, 9) + for value in warning_values: + pytest.warns(Image.DecompressionBombWarning, im.crop, value) -if __name__ == '__main__': - unittest.main() + for value in error_values: + with pytest.raises(Image.DecompressionBombError): + im.crop(value) diff --git a/Tests/test_features.py b/Tests/test_features.py index 54d668d2f09..284f72205f3 100644 --- a/Tests/test_features.py +++ b/Tests/test_features.py @@ -1,69 +1,142 @@ -from helper import unittest, PillowTestCase +import io +import re + +import pytest from PIL import features +from .helper import skip_unless_feature + try: from PIL import _webp - HAVE_WEBP = True -except: - HAVE_WEBP = False - - -class TestFeatures(PillowTestCase): - - def test_check(self): - # Check the correctness of the convenience function - for module in features.modules: - self.assertEqual(features.check_module(module), - features.check(module)) - for codec in features.codecs: - self.assertEqual(features.check_codec(codec), - features.check(codec)) - for feature in features.features: - self.assertEqual(features.check_feature(feature), - features.check(feature)) - - @unittest.skipUnless(HAVE_WEBP, True) - def check_webp_transparency(self): - self.assertEqual(features.check('transp_webp'), - not _webp.WebPDecoderBuggyAlpha()) - self.assertEqual(features.check('transp_webp'), - _webp.HAVE_TRANSPARENCY) - - @unittest.skipUnless(HAVE_WEBP, True) - def check_webp_mux(self): - self.assertEqual(features.check('webp_mux'), - _webp.HAVE_WEBPMUX) - - @unittest.skipUnless(HAVE_WEBP, True) - def check_webp_anim(self): - self.assertEqual(features.check('webp_anim'), - _webp.HAVE_WEBPANIM) - - def test_check_modules(self): - for feature in features.modules: - self.assertIn(features.check_module(feature), [True, False]) - for feature in features.codecs: - self.assertIn(features.check_codec(feature), [True, False]) - - def test_supported_modules(self): - self.assertIsInstance(features.get_supported_modules(), list) - self.assertIsInstance(features.get_supported_codecs(), list) - self.assertIsInstance(features.get_supported_features(), list) - self.assertIsInstance(features.get_supported(), list) - - def test_unsupported_codec(self): - # Arrange - codec = "unsupported_codec" - # Act / Assert - self.assertRaises(ValueError, features.check_codec, codec) - - def test_unsupported_module(self): - # Arrange - module = "unsupported_module" - # Act / Assert - self.assertRaises(ValueError, features.check_module, module) - - -if __name__ == '__main__': - unittest.main() +except ImportError: + pass + + +def test_check(): + # Check the correctness of the convenience function + for module in features.modules: + assert features.check_module(module) == features.check(module) + for codec in features.codecs: + assert features.check_codec(codec) == features.check(codec) + for feature in features.features: + assert features.check_feature(feature) == features.check(feature) + + +def test_version(): + # Check the correctness of the convenience function + # and the format of version numbers + + def test(name, function): + version = features.version(name) + if not features.check(name): + assert version is None + else: + assert function(name) == version + if name != "PIL": + assert version is None or re.search(r"\d+(\.\d+)*$", version) + + for module in features.modules: + test(module, features.version_module) + for codec in features.codecs: + test(codec, features.version_codec) + for feature in features.features: + test(feature, features.version_feature) + + +@skip_unless_feature("webp") +def test_webp_transparency(): + assert features.check("transp_webp") != _webp.WebPDecoderBuggyAlpha() + assert features.check("transp_webp") == _webp.HAVE_TRANSPARENCY + + +@skip_unless_feature("webp") +def test_webp_mux(): + assert features.check("webp_mux") == _webp.HAVE_WEBPMUX + + +@skip_unless_feature("webp") +def test_webp_anim(): + assert features.check("webp_anim") == _webp.HAVE_WEBPANIM + + +@skip_unless_feature("libjpeg_turbo") +def test_libjpeg_turbo_version(): + assert re.search(r"\d+\.\d+\.\d+$", features.version("libjpeg_turbo")) + + +@skip_unless_feature("libimagequant") +def test_libimagequant_version(): + assert re.search(r"\d+\.\d+\.\d+$", features.version("libimagequant")) + + +def test_check_modules(): + for feature in features.modules: + assert features.check_module(feature) in [True, False] + + +def test_check_codecs(): + for feature in features.codecs: + assert features.check_codec(feature) in [True, False] + + +def test_check_warns_on_nonexistent(): + with pytest.warns(UserWarning) as cm: + has_feature = features.check("typo") + assert has_feature is False + assert str(cm[-1].message) == "Unknown feature 'typo'." + + +def test_supported_modules(): + assert isinstance(features.get_supported_modules(), list) + assert isinstance(features.get_supported_codecs(), list) + assert isinstance(features.get_supported_features(), list) + assert isinstance(features.get_supported(), list) + + +def test_unsupported_codec(): + # Arrange + codec = "unsupported_codec" + # Act / Assert + with pytest.raises(ValueError): + features.check_codec(codec) + with pytest.raises(ValueError): + features.version_codec(codec) + + +def test_unsupported_module(): + # Arrange + module = "unsupported_module" + # Act / Assert + with pytest.raises(ValueError): + features.check_module(module) + with pytest.raises(ValueError): + features.version_module(module) + + +def test_pilinfo(): + buf = io.StringIO() + features.pilinfo(buf) + out = buf.getvalue() + lines = out.splitlines() + assert lines[0] == "-" * 68 + assert lines[1].startswith("Pillow ") + assert lines[2].startswith("Python ") + lines = lines[3:] + while lines[0].startswith(" "): + lines = lines[1:] + assert lines[0] == "-" * 68 + assert lines[1].startswith("Python modules loaded from ") + assert lines[2].startswith("Binary modules loaded from ") + assert lines[3] == "-" * 68 + jpeg = ( + "\n" + + "-" * 68 + + "\n" + + "JPEG image/jpeg\n" + + "Extensions: .jfif, .jpe, .jpeg, .jpg\n" + + "Features: open, save\n" + + "-" * 68 + + "\n" + ) + assert jpeg in out diff --git a/Tests/test_file_apng.py b/Tests/test_file_apng.py new file mode 100644 index 00000000000..d48e5ce07f3 --- /dev/null +++ b/Tests/test_file_apng.py @@ -0,0 +1,637 @@ +import pytest + +from PIL import Image, ImageSequence, PngImagePlugin + + +# APNG browser support tests and fixtures via: +# https://philip.html5.org/tests/apng/tests.html +# (referenced from https://wiki.mozilla.org/APNG_Specification) +def test_apng_basic(): + with Image.open("Tests/images/apng/single_frame.png") as im: + assert not im.is_animated + assert im.n_frames == 1 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") is None + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/single_frame_default.png") as im: + assert im.is_animated + assert im.n_frames == 2 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") + assert im.getpixel((0, 0)) == (255, 0, 0, 255) + assert im.getpixel((64, 32)) == (255, 0, 0, 255) + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test out of bounds seek + with pytest.raises(EOFError): + im.seek(2) + + # test rewind support + im.seek(0) + assert im.getpixel((0, 0)) == (255, 0, 0, 255) + assert im.getpixel((64, 32)) == (255, 0, 0, 255) + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_fdat(): + with Image.open("Tests/images/apng/split_fdat.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/split_fdat_zero_chunk.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_dispose(): + with Image.open("Tests/images/apng/dispose_op_none.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_background.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/dispose_op_background_final.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_previous.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_previous_final.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_previous_first.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + +def test_apng_dispose_region(): + with Image.open("Tests/images/apng/dispose_op_none_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/dispose_op_background_before_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/dispose_op_background_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 255, 255) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/dispose_op_previous_region.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_dispose_op_previous_frame(): + # Test that the dispose settings being used are from the previous frame + # + # Image created with: + # red = Image.new("RGBA", (128, 64), (255, 0, 0, 255)) + # green = red.copy() + # green.paste(Image.new("RGBA", (64, 32), (0, 255, 0, 255))) + # blue = red.copy() + # blue.paste(Image.new("RGBA", (64, 32), (0, 255, 0, 255)), (64, 32)) + # + # red.save( + # "Tests/images/apng/dispose_op_previous_frame.png", + # save_all=True, + # append_images=[green, blue], + # disposal=[ + # PngImagePlugin.APNG_DISPOSE_OP_NONE, + # PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + # PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS + # ], + # ) + with Image.open("Tests/images/apng/dispose_op_previous_frame.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (255, 0, 0, 255) + + +def test_apng_dispose_op_background_p_mode(): + with Image.open("Tests/images/apng/dispose_op_background_p_mode.png") as im: + im.seek(1) + im.load() + assert im.size == (128, 64) + + +def test_apng_blend(): + with Image.open("Tests/images/apng/blend_op_source_solid.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/blend_op_source_transparent.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + with Image.open("Tests/images/apng/blend_op_source_near_transparent.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 2) + assert im.getpixel((64, 32)) == (0, 255, 0, 2) + + with Image.open("Tests/images/apng/blend_op_over.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/blend_op_over_near_transparent.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 97) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_chunk_order(): + with Image.open("Tests/images/apng/fctl_actl.png") as im: + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_delay(): + with Image.open("Tests/images/apng/delay.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + im.seek(3) + assert im.info.get("duration") == 500.0 + im.seek(4) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_round.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_short_max.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_zero_denom.png") as im: + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + + with Image.open("Tests/images/apng/delay_zero_numer.png") as im: + im.seek(1) + assert im.info.get("duration") == 0.0 + im.seek(2) + assert im.info.get("duration") == 0.0 + im.seek(3) + assert im.info.get("duration") == 500.0 + im.seek(4) + assert im.info.get("duration") == 1000.0 + + +def test_apng_num_plays(): + with Image.open("Tests/images/apng/num_plays.png") as im: + assert im.info.get("loop") == 0 + + with Image.open("Tests/images/apng/num_plays_1.png") as im: + assert im.info.get("loop") == 1 + + +def test_apng_mode(): + with Image.open("Tests/images/apng/mode_16bit.png") as im: + assert im.mode == "RGBA" + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (0, 0, 128, 191) + assert im.getpixel((64, 32)) == (0, 0, 128, 191) + + with Image.open("Tests/images/apng/mode_greyscale.png") as im: + assert im.mode == "L" + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == 128 + assert im.getpixel((64, 32)) == 255 + + with Image.open("Tests/images/apng/mode_greyscale_alpha.png") as im: + assert im.mode == "LA" + im.seek(im.n_frames - 1) + assert im.getpixel((0, 0)) == (128, 191) + assert im.getpixel((64, 32)) == (128, 191) + + with Image.open("Tests/images/apng/mode_palette.png") as im: + assert im.mode == "P" + im.seek(im.n_frames - 1) + im = im.convert("RGB") + assert im.getpixel((0, 0)) == (0, 255, 0) + assert im.getpixel((64, 32)) == (0, 255, 0) + + with Image.open("Tests/images/apng/mode_palette_alpha.png") as im: + assert im.mode == "P" + im.seek(im.n_frames - 1) + im = im.convert("RGBA") + assert im.getpixel((0, 0)) == (255, 0, 0, 0) + assert im.getpixel((64, 32)) == (255, 0, 0, 0) + + with Image.open("Tests/images/apng/mode_palette_1bit_alpha.png") as im: + assert im.mode == "P" + im.seek(im.n_frames - 1) + im = im.convert("RGBA") + assert im.getpixel((0, 0)) == (0, 0, 255, 128) + assert im.getpixel((64, 32)) == (0, 0, 255, 128) + + +def test_apng_chunk_errors(): + with Image.open("Tests/images/apng/chunk_no_actl.png") as im: + assert not im.is_animated + + def open(): + with Image.open("Tests/images/apng/chunk_multi_actl.png") as im: + im.load() + assert not im.is_animated + + pytest.warns(UserWarning, open) + + with Image.open("Tests/images/apng/chunk_actl_after_idat.png") as im: + assert not im.is_animated + + with Image.open("Tests/images/apng/chunk_no_fctl.png") as im: + with pytest.raises(SyntaxError): + im.seek(im.n_frames - 1) + + with Image.open("Tests/images/apng/chunk_repeat_fctl.png") as im: + with pytest.raises(SyntaxError): + im.seek(im.n_frames - 1) + + with Image.open("Tests/images/apng/chunk_no_fdat.png") as im: + with pytest.raises(SyntaxError): + im.seek(im.n_frames - 1) + + +def test_apng_syntax_errors(): + def open_frames_zero(): + with Image.open("Tests/images/apng/syntax_num_frames_zero.png") as im: + assert not im.is_animated + with pytest.raises(OSError): + im.load() + + pytest.warns(UserWarning, open_frames_zero) + + def open_frames_zero_default(): + with Image.open("Tests/images/apng/syntax_num_frames_zero_default.png") as im: + assert not im.is_animated + im.load() + + pytest.warns(UserWarning, open_frames_zero_default) + + # we can handle this case gracefully + exception = None + with Image.open("Tests/images/apng/syntax_num_frames_low.png") as im: + try: + im.seek(im.n_frames - 1) + except Exception as e: + exception = e + assert exception is None + + with pytest.raises(OSError): + with Image.open("Tests/images/apng/syntax_num_frames_high.png") as im: + im.seek(im.n_frames - 1) + im.load() + + def open(): + with Image.open("Tests/images/apng/syntax_num_frames_invalid.png") as im: + assert not im.is_animated + im.load() + + pytest.warns(UserWarning, open) + + +def test_apng_sequence_errors(): + test_files = [ + "sequence_start.png", + "sequence_gap.png", + "sequence_repeat.png", + "sequence_repeat_chunk.png", + "sequence_reorder.png", + "sequence_reorder_chunk.png", + "sequence_fdat_fctl.png", + ] + for f in test_files: + with pytest.raises(SyntaxError): + with Image.open(f"Tests/images/apng/{f}") as im: + im.seek(im.n_frames - 1) + im.load() + + +def test_apng_save(tmp_path): + with Image.open("Tests/images/apng/single_frame.png") as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file, save_all=True) + + with Image.open(test_file) as im: + im.load() + assert not im.is_animated + assert im.n_frames == 1 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") is None + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + with Image.open("Tests/images/apng/single_frame_default.png") as im: + frames = [] + for frame_im in ImageSequence.Iterator(im): + frames.append(frame_im.copy()) + frames[0].save( + test_file, save_all=True, default_image=True, append_images=frames[1:] + ) + + with Image.open(test_file) as im: + im.load() + assert im.is_animated + assert im.n_frames == 2 + assert im.get_format_mimetype() == "image/apng" + assert im.info.get("default_image") + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_save_split_fdat(tmp_path): + # test to make sure we do not generate sequence errors when writing + # frames with image data spanning multiple fdAT chunks (in this case + # both the default image and first animation frame will span multiple + # data chunks) + test_file = str(tmp_path / "temp.png") + with Image.open("Tests/images/old-style-jpeg-compression.png") as im: + frames = [im.copy(), Image.new("RGBA", im.size, (255, 0, 0, 255))] + im.save( + test_file, + save_all=True, + default_image=True, + append_images=frames, + ) + with Image.open(test_file) as im: + exception = None + try: + im.seek(im.n_frames - 1) + im.load() + except Exception as e: + exception = e + assert exception is None + + +def test_apng_save_duration_loop(tmp_path): + test_file = str(tmp_path / "temp.png") + with Image.open("Tests/images/apng/delay.png") as im: + frames = [] + durations = [] + loop = im.info.get("loop") + default_image = im.info.get("default_image") + for i, frame_im in enumerate(ImageSequence.Iterator(im)): + frames.append(frame_im.copy()) + if i != 0 or not default_image: + durations.append(frame_im.info.get("duration", 0)) + frames[0].save( + test_file, + save_all=True, + default_image=default_image, + append_images=frames[1:], + duration=durations, + loop=loop, + ) + + with Image.open(test_file) as im: + im.load() + assert im.info.get("loop") == loop + im.seek(1) + assert im.info.get("duration") == 500.0 + im.seek(2) + assert im.info.get("duration") == 1000.0 + im.seek(3) + assert im.info.get("duration") == 500.0 + im.seek(4) + assert im.info.get("duration") == 1000.0 + + # test removal of duplicated frames + frame = Image.new("RGBA", (128, 64), (255, 0, 0, 255)) + frame.save( + test_file, save_all=True, append_images=[frame, frame], duration=[500, 100, 150] + ) + with Image.open(test_file) as im: + im.load() + assert im.n_frames == 1 + assert im.info.get("duration") == 750 + + # test info duration + frame.info["duration"] = 750 + frame.save(test_file, save_all=True) + with Image.open(test_file) as im: + assert im.info.get("duration") == 750 + + +def test_apng_save_disposal(tmp_path): + test_file = str(tmp_path / "temp.png") + size = (128, 64) + red = Image.new("RGBA", size, (255, 0, 0, 255)) + green = Image.new("RGBA", size, (0, 255, 0, 255)) + transparent = Image.new("RGBA", size, (0, 0, 0, 0)) + + # test APNG_DISPOSE_OP_NONE + red.save( + test_file, + save_all=True, + append_images=[green, transparent], + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test APNG_DISPOSE_OP_BACKGROUND + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND, + PngImagePlugin.APNG_DISPOSE_OP_NONE, + ] + red.save( + test_file, + save_all=True, + append_images=[red, transparent], + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND, + ] + red.save( + test_file, + save_all=True, + append_images=[green], + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test APNG_DISPOSE_OP_PREVIOUS + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + PngImagePlugin.APNG_DISPOSE_OP_NONE, + ] + red.save( + test_file, + save_all=True, + append_images=[green, red, transparent], + default_image=True, + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(3) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + disposal = [ + PngImagePlugin.APNG_DISPOSE_OP_NONE, + PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + ] + red.save( + test_file, + save_all=True, + append_images=[green], + disposal=disposal, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test info disposal + red.info["disposal"] = PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND + red.save( + test_file, + save_all=True, + append_images=[Image.new("RGBA", (10, 10), (0, 255, 0, 255))], + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + +def test_apng_save_disposal_previous(tmp_path): + test_file = str(tmp_path / "temp.png") + size = (128, 64) + transparent = Image.new("RGBA", size, (0, 0, 0, 0)) + red = Image.new("RGBA", size, (255, 0, 0, 255)) + green = Image.new("RGBA", size, (0, 255, 0, 255)) + + # test APNG_DISPOSE_OP_NONE + transparent.save( + test_file, + save_all=True, + append_images=[red, green], + disposal=PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + +def test_apng_save_blend(tmp_path): + test_file = str(tmp_path / "temp.png") + size = (128, 64) + red = Image.new("RGBA", size, (255, 0, 0, 255)) + green = Image.new("RGBA", size, (0, 255, 0, 255)) + transparent = Image.new("RGBA", size, (0, 0, 0, 0)) + + # test APNG_BLEND_OP_SOURCE on solid color + blend = [ + PngImagePlugin.APNG_BLEND_OP_OVER, + PngImagePlugin.APNG_BLEND_OP_SOURCE, + ] + red.save( + test_file, + save_all=True, + append_images=[red, green], + default_image=True, + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=blend, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test APNG_BLEND_OP_SOURCE on transparent color + blend = [ + PngImagePlugin.APNG_BLEND_OP_OVER, + PngImagePlugin.APNG_BLEND_OP_SOURCE, + ] + red.save( + test_file, + save_all=True, + append_images=[red, transparent], + default_image=True, + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=blend, + ) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 0, 0, 0) + assert im.getpixel((64, 32)) == (0, 0, 0, 0) + + # test APNG_BLEND_OP_OVER + red.save( + test_file, + save_all=True, + append_images=[green, transparent], + default_image=True, + disposal=PngImagePlugin.APNG_DISPOSE_OP_NONE, + blend=PngImagePlugin.APNG_BLEND_OP_OVER, + ) + with Image.open(test_file) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) + assert im.getpixel((64, 32)) == (0, 255, 0, 255) + + # test info blend + red.info["blend"] = PngImagePlugin.APNG_BLEND_OP_OVER + red.save(test_file, save_all=True, append_images=[green, transparent]) + with Image.open(test_file) as im: + im.seek(2) + assert im.getpixel((0, 0)) == (0, 255, 0, 255) diff --git a/Tests/test_file_blp.py b/Tests/test_file_blp.py new file mode 100644 index 00000000000..15bd7e4f8ef --- /dev/null +++ b/Tests/test_file_blp.py @@ -0,0 +1,39 @@ +import pytest + +from PIL import Image + +from .helper import assert_image_equal_tofile + + +def test_load_blp2_raw(): + with Image.open("Tests/images/blp/blp2_raw.blp") as im: + assert_image_equal_tofile(im, "Tests/images/blp/blp2_raw.png") + + +def test_load_blp2_dxt1(): + with Image.open("Tests/images/blp/blp2_dxt1.blp") as im: + assert_image_equal_tofile(im, "Tests/images/blp/blp2_dxt1.png") + + +def test_load_blp2_dxt1a(): + with Image.open("Tests/images/blp/blp2_dxt1a.blp") as im: + assert_image_equal_tofile(im, "Tests/images/blp/blp2_dxt1a.png") + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/timeout-060745d3f534ad6e4128c51d336ea5489182c69d.blp", + "Tests/images/timeout-31c8f86233ea728339c6e586be7af661a09b5b98.blp", + "Tests/images/timeout-60d8b7c8469d59fc9ffff6b3a3dc0faeae6ea8ee.blp", + "Tests/images/timeout-8073b430977660cdd48d96f6406ddfd4114e69c7.blp", + "Tests/images/timeout-bba4f2e026b5786529370e5dfe9a11b1bf991f07.blp", + "Tests/images/timeout-d6ec061c4afdef39d3edf6da8927240bb07fe9b7.blp", + "Tests/images/timeout-ef9112a065e7183fa7faa2e18929b03e44ee16bf.blp", + ], +) +def test_crashes(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() diff --git a/Tests/test_file_bmp.py b/Tests/test_file_bmp.py index bfd97016fe5..47fc97df055 100644 --- a/Tests/test_file_bmp.py +++ b/Tests/test_file_bmp.py @@ -1,81 +1,132 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image, BmpImagePlugin import io +import pytest + +from PIL import BmpImagePlugin, Image + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + + +def test_sanity(tmp_path): + def roundtrip(im): + outfile = str(tmp_path / "temp.bmp") -class TestFileBmp(PillowTestCase): + im.save(outfile, "BMP") - def roundtrip(self, im): - outfile = self.tempfile("temp.bmp") + with Image.open(outfile) as reloaded: + reloaded.load() + assert im.mode == reloaded.mode + assert im.size == reloaded.size + assert reloaded.format == "BMP" + assert reloaded.get_format_mimetype() == "image/bmp" - im.save(outfile, 'BMP') + roundtrip(hopper()) - reloaded = Image.open(outfile) - reloaded.load() - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual(im.size, reloaded.size) - self.assertEqual(reloaded.format, "BMP") + roundtrip(hopper("1")) + roundtrip(hopper("L")) + roundtrip(hopper("P")) + roundtrip(hopper("RGB")) - def test_sanity(self): - self.roundtrip(hopper()) - self.roundtrip(hopper("1")) - self.roundtrip(hopper("L")) - self.roundtrip(hopper("P")) - self.roundtrip(hopper("RGB")) +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + BmpImagePlugin.BmpImageFile(fp) - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, - BmpImagePlugin.BmpImageFile, fp) - def test_save_to_bytes(self): - output = io.BytesIO() - im = hopper() - im.save(output, "BMP") +def test_save_to_bytes(): + output = io.BytesIO() + im = hopper() + im.save(output, "BMP") - output.seek(0) - reloaded = Image.open(output) + output.seek(0) + with Image.open(output) as reloaded: + assert im.mode == reloaded.mode + assert im.size == reloaded.size + assert reloaded.format == "BMP" - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual(im.size, reloaded.size) - self.assertEqual(reloaded.format, "BMP") - def test_dpi(self): - dpi = (72, 72) +def test_save_too_large(tmp_path): + outfile = str(tmp_path / "temp.bmp") + with Image.new("RGB", (1, 1)) as im: + im._size = (37838, 37838) + with pytest.raises(ValueError): + im.save(outfile) - output = io.BytesIO() - im = hopper() + +def test_dpi(): + dpi = (72, 72) + + output = io.BytesIO() + with hopper() as im: im.save(output, "BMP", dpi=dpi) - output.seek(0) - reloaded = Image.open(output) + output.seek(0) + with Image.open(output) as reloaded: + assert reloaded.info["dpi"] == (72.008961115161, 72.008961115161) - self.assertEqual(reloaded.info["dpi"], dpi) - def test_save_bmp_with_dpi(self): - # Test for #1301 - # Arrange - outfile = self.tempfile("temp.jpg") - im = Image.open("Tests/images/hopper.bmp") +def test_save_bmp_with_dpi(tmp_path): + # Test for #1301 + # Arrange + outfile = str(tmp_path / "temp.jpg") + with Image.open("Tests/images/hopper.bmp") as im: + assert im.info["dpi"] == (95.98654816726399, 95.98654816726399) # Act - im.save(outfile, 'JPEG', dpi=im.info['dpi']) + im.save(outfile, "JPEG", dpi=im.info["dpi"]) # Assert - reloaded = Image.open(outfile) - reloaded.load() - self.assertEqual(im.info['dpi'], reloaded.info['dpi']) - self.assertEqual(im.size, reloaded.size) - self.assertEqual(reloaded.format, "JPEG") + with Image.open(outfile) as reloaded: + reloaded.load() + assert reloaded.info["dpi"] == (96, 96) + assert reloaded.size == im.size + assert reloaded.format == "JPEG" + + +def test_save_float_dpi(tmp_path): + outfile = str(tmp_path / "temp.bmp") + with Image.open("Tests/images/hopper.bmp") as im: + im.save(outfile, dpi=(72.21216100543306, 72.21216100543306)) + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == (72.21216100543306, 72.21216100543306) + + +def test_load_dib(): + # test for #1293, Imagegrab returning Unsupported Bitfields Format + with Image.open("Tests/images/clipboard.dib") as im: + assert im.format == "DIB" + assert im.get_format_mimetype() == "image/bmp" + + assert_image_equal_tofile(im, "Tests/images/clipboard_target.png") + + +def test_save_dib(tmp_path): + outfile = str(tmp_path / "temp.dib") + + with Image.open("Tests/images/clipboard.dib") as im: + im.save(outfile) + + with Image.open(outfile) as reloaded: + assert reloaded.format == "DIB" + assert reloaded.get_format_mimetype() == "image/bmp" + assert_image_equal(im, reloaded) + + +def test_rgba_bitfields(): + # This test image has been manually hexedited + # to change the bitfield compression in the header from XBGR to RGBA + with Image.open("Tests/images/rgb32bf-rgba.bmp") as im: + + # So before the comparing the image, swap the channels + b, g, r = im.split()[1:] + im = Image.merge("RGB", (r, g, b)) - def test_load_dib(self): - # test for #1293, Imagegrab returning Unsupported Bitfields Format - im = BmpImagePlugin.DibImageFile('Tests/images/clipboard.dib') - target = Image.open('Tests/images/clipboard_target.png') - self.assert_image_equal(im, target) + assert_image_equal_tofile(im, "Tests/images/bmp/q/rgb32bf-xbgr.bmp") -if __name__ == '__main__': - unittest.main() +def test_offset(): + # This image has been hexedited + # to exclude the palette size from the pixel data offset + with Image.open("Tests/images/pal8_offset.bmp") as im: + assert_image_equal_tofile(im, "Tests/images/bmp/g/pal8.bmp") diff --git a/Tests/test_file_bufrstub.py b/Tests/test_file_bufrstub.py index 08980a996d0..11acc1c88c0 100644 --- a/Tests/test_file_bufrstub.py +++ b/Tests/test_file_bufrstub.py @@ -1,46 +1,47 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import BufrStubImagePlugin, Image -TEST_FILE = "Tests/images/gfs.t06z.rassda.tm00.bufr_d" +from .helper import hopper +TEST_FILE = "Tests/images/gfs.t06z.rassda.tm00.bufr_d" -class TestFileBufrStub(PillowTestCase): - def test_open(self): - # Act - im = Image.open(TEST_FILE) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.format, "BUFR") + assert im.format == "BUFR" # Dummy data from the stub - self.assertEqual(im.mode, "F") - self.assertEqual(im.size, (1, 1)) + assert im.mode == "F" + assert im.size == (1, 1) - def test_invalid_file(self): - # Arrange - invalid_file = "Tests/images/flower.jpg" - # Act / Assert - self.assertRaises(SyntaxError, - BufrStubImagePlugin.BufrStubImageFile, invalid_file) +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" - def test_load(self): - # Arrange - im = Image.open(TEST_FILE) + # Act / Assert + with pytest.raises(SyntaxError): + BufrStubImagePlugin.BufrStubImageFile(invalid_file) - # Act / Assert: stub cannot load without an implemented handler - self.assertRaises(IOError, im.load) - def test_save(self): - # Arrange - im = hopper() - tmpfile = self.tempfile("temp.bufr") +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: + + # Act / Assert: stub cannot load without an implemented handler + with pytest.raises(OSError): + im.load() - # Act / Assert: stub cannot save without an implemented handler - self.assertRaises(IOError, im.save, tmpfile) +def test_save(tmp_path): + # Arrange + im = hopper() + tmpfile = str(tmp_path / "temp.bufr") -if __name__ == '__main__': - unittest.main() + # Act / Assert: stub cannot save without an implemented handler + with pytest.raises(OSError): + im.save(tmpfile) diff --git a/Tests/test_file_container.py b/Tests/test_file_container.py index 55228be0cd0..b752e217faa 100644 --- a/Tests/test_file_container.py +++ b/Tests/test_file_container.py @@ -1,65 +1,68 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import ContainerIO, Image -from PIL import Image -from PIL import ContainerIO +from .helper import hopper TEST_FILE = "Tests/images/dummy.container" -class TestFileContainer(PillowTestCase): +def test_sanity(): + dir(Image) + dir(ContainerIO) - def test_sanity(self): - dir(Image) - dir(ContainerIO) - def test_isatty(self): - im = hopper() +def test_isatty(): + with hopper() as im: container = ContainerIO.ContainerIO(im, 0, 0) - self.assertEqual(container.isatty(), 0) + assert container.isatty() is False - def test_seek_mode_0(self): - # Arrange - mode = 0 - with open(TEST_FILE) as fh: - container = ContainerIO.ContainerIO(fh, 22, 100) - # Act - container.seek(33, mode) - container.seek(33, mode) +def test_seek_mode_0(): + # Arrange + mode = 0 + with open(TEST_FILE, "rb") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) - # Assert - self.assertEqual(container.tell(), 33) + # Act + container.seek(33, mode) + container.seek(33, mode) - def test_seek_mode_1(self): - # Arrange - mode = 1 - with open(TEST_FILE) as fh: - container = ContainerIO.ContainerIO(fh, 22, 100) + # Assert + assert container.tell() == 33 - # Act - container.seek(33, mode) - container.seek(33, mode) - # Assert - self.assertEqual(container.tell(), 66) +def test_seek_mode_1(): + # Arrange + mode = 1 + with open(TEST_FILE, "rb") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) - def test_seek_mode_2(self): - # Arrange - mode = 2 - with open(TEST_FILE) as fh: - container = ContainerIO.ContainerIO(fh, 22, 100) + # Act + container.seek(33, mode) + container.seek(33, mode) - # Act - container.seek(33, mode) - container.seek(33, mode) + # Assert + assert container.tell() == 66 - # Assert - self.assertEqual(container.tell(), 100) - def test_read_n0(self): - # Arrange - with open(TEST_FILE) as fh: +def test_seek_mode_2(): + # Arrange + mode = 2 + with open(TEST_FILE, "rb") as fh: + container = ContainerIO.ContainerIO(fh, 22, 100) + + # Act + container.seek(33, mode) + container.seek(33, mode) + + # Assert + assert container.tell() == 100 + + +def test_read_n0(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: container = ContainerIO.ContainerIO(fh, 22, 100) # Act @@ -67,11 +70,15 @@ def test_read_n0(self): data = container.read() # Assert - self.assertEqual(data, "7\nThis is line 8\n") + if bytesmode: + data = data.decode() + assert data == "7\nThis is line 8\n" - def test_read_n(self): - # Arrange - with open(TEST_FILE) as fh: + +def test_read_n(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: container = ContainerIO.ContainerIO(fh, 22, 100) # Act @@ -79,11 +86,15 @@ def test_read_n(self): data = container.read(3) # Assert - self.assertEqual(data, "7\nT") + if bytesmode: + data = data.decode() + assert data == "7\nT" + - def test_read_eof(self): - # Arrange - with open(TEST_FILE) as fh: +def test_read_eof(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: container = ContainerIO.ContainerIO(fh, 22, 100) # Act @@ -91,39 +102,46 @@ def test_read_eof(self): data = container.read() # Assert - self.assertEqual(data, "") + if bytesmode: + data = data.decode() + assert data == "" - def test_readline(self): - # Arrange - with open(TEST_FILE) as fh: + +def test_readline(): + # Arrange + for bytesmode in (True, False): + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: container = ContainerIO.ContainerIO(fh, 0, 120) # Act data = container.readline() # Assert - self.assertEqual(data, "This is line 1\n") - - def test_readlines(self): - # Arrange - expected = ["This is line 1\n", - "This is line 2\n", - "This is line 3\n", - "This is line 4\n", - "This is line 5\n", - "This is line 6\n", - "This is line 7\n", - "This is line 8\n"] - with open(TEST_FILE) as fh: + if bytesmode: + data = data.decode() + assert data == "This is line 1\n" + + +def test_readlines(): + # Arrange + for bytesmode in (True, False): + expected = [ + "This is line 1\n", + "This is line 2\n", + "This is line 3\n", + "This is line 4\n", + "This is line 5\n", + "This is line 6\n", + "This is line 7\n", + "This is line 8\n", + ] + with open(TEST_FILE, "rb" if bytesmode else "r") as fh: container = ContainerIO.ContainerIO(fh, 0, 120) # Act data = container.readlines() # Assert - - self.assertEqual(data, expected) - - -if __name__ == '__main__': - unittest.main() + if bytesmode: + data = [line.decode() for line in data] + assert data == expected diff --git a/Tests/test_file_cur.py b/Tests/test_file_cur.py index 23055a0ad48..f04a20a220a 100644 --- a/Tests/test_file_cur.py +++ b/Tests/test_file_cur.py @@ -1,34 +1,30 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, CurImagePlugin +from PIL import CurImagePlugin, Image TEST_FILE = "Tests/images/deerstalker.cur" -class TestFileCur(PillowTestCase): - - def test_sanity(self): - im = Image.open(TEST_FILE) - - self.assertEqual(im.size, (32, 32)) - self.assertIsInstance(im, CurImagePlugin.CurImageFile) +def test_sanity(): + with Image.open(TEST_FILE) as im: + assert im.size == (32, 32) + assert isinstance(im, CurImagePlugin.CurImageFile) # Check some pixel colors to ensure image is loaded properly - self.assertEqual(im.getpixel((10, 1)), (0, 0, 0, 0)) - self.assertEqual(im.getpixel((11, 1)), (253, 254, 254, 1)) - self.assertEqual(im.getpixel((16, 16)), (84, 87, 86, 255)) - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" + assert im.getpixel((10, 1)) == (0, 0, 0, 0) + assert im.getpixel((11, 1)) == (253, 254, 254, 1) + assert im.getpixel((16, 16)) == (84, 87, 86, 255) - self.assertRaises(SyntaxError, - CurImagePlugin.CurImageFile, invalid_file) - no_cursors_file = "Tests/images/no_cursors.cur" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - cur = CurImagePlugin.CurImageFile(TEST_FILE) - with open(no_cursors_file, "rb") as cur.fp: - self.assertRaises(TypeError, cur._open) + with pytest.raises(SyntaxError): + CurImagePlugin.CurImageFile(invalid_file) + no_cursors_file = "Tests/images/no_cursors.cur" -if __name__ == '__main__': - unittest.main() + cur = CurImagePlugin.CurImageFile(TEST_FILE) + cur.fp.close() + with open(no_cursors_file, "rb") as cur.fp: + with pytest.raises(TypeError): + cur._open() diff --git a/Tests/test_file_dcx.py b/Tests/test_file_dcx.py index 28ebb91dc9e..58d5cbf1a61 100644 --- a/Tests/test_file_dcx.py +++ b/Tests/test_file_dcx.py @@ -1,64 +1,93 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image, DcxImagePlugin +from PIL import DcxImagePlugin, Image + +from .helper import assert_image_equal, hopper, is_pypy # Created with ImageMagick: convert hopper.ppm hopper.dcx TEST_FILE = "Tests/images/hopper.dcx" -class TestFileDcx(PillowTestCase): - - def test_sanity(self): - # Arrange +def test_sanity(): + # Arrange - # Act - im = Image.open(TEST_FILE) + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.size, (128, 128)) - self.assertIsInstance(im, DcxImagePlugin.DcxImageFile) + assert im.size == (128, 128) + assert isinstance(im, DcxImagePlugin.DcxImageFile) orig = hopper() - self.assert_image_equal(im, orig) + assert_image_equal(im, orig) + + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + im = Image.open(TEST_FILE) + im.load() + + pytest.warns(ResourceWarning, open) - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, - DcxImagePlugin.DcxImageFile, fp) - def test_tell(self): - # Arrange +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(TEST_FILE) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_FILE) as im: + im.load() + + assert not record + + +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + DcxImagePlugin.DcxImageFile(fp) + + +def test_tell(): + # Arrange + with Image.open(TEST_FILE) as im: # Act frame = im.tell() # Assert - self.assertEqual(frame, 0) + assert frame == 0 - def test_n_frames(self): - im = Image.open(TEST_FILE) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - def test_eoferror(self): - im = Image.open(TEST_FILE) +def test_n_frames(): + with Image.open(TEST_FILE) as im: + assert im.n_frames == 1 + assert not im.is_animated + + +def test_eoferror(): + with Image.open(TEST_FILE) as im: n_frames = im.n_frames # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) - - def test_seek_too_far(self): - # Arrange - im = Image.open(TEST_FILE) - frame = 999 # too big on purpose + im.seek(n_frames - 1) - # Act / Assert - self.assertRaises(EOFError, im.seek, frame) +def test_seek_too_far(): + # Arrange + with Image.open(TEST_FILE) as im: + frame = 999 # too big on purpose -if __name__ == '__main__': - unittest.main() + # Act / Assert + with pytest.raises(EOFError): + im.seek(frame) diff --git a/Tests/test_file_dds.py b/Tests/test_file_dds.py index 89d265ec27f..2f46ed77e0c 100644 --- a/Tests/test_file_dds.py +++ b/Tests/test_file_dds.py @@ -1,115 +1,268 @@ +"""Test DdsImagePlugin""" from io import BytesIO -from helper import unittest, PillowTestCase -from PIL import Image, DdsImagePlugin +import pytest + +from PIL import DdsImagePlugin, Image + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper TEST_FILE_DXT1 = "Tests/images/dxt1-rgb-4bbp-noalpha_MipMaps-1.dds" TEST_FILE_DXT3 = "Tests/images/dxt3-argb-8bbp-explicitalpha_MipMaps-1.dds" TEST_FILE_DXT5 = "Tests/images/dxt5-argb-8bbp-interpolatedalpha_MipMaps-1.dds" +TEST_FILE_DX10_BC5_TYPELESS = "Tests/images/bc5_typeless.dds" +TEST_FILE_DX10_BC5_UNORM = "Tests/images/bc5_unorm.dds" +TEST_FILE_DX10_BC5_SNORM = "Tests/images/bc5_snorm.dds" +TEST_FILE_BC5S = "Tests/images/bc5s.dds" TEST_FILE_DX10_BC7 = "Tests/images/bc7-argb-8bpp_MipMaps-1.dds" +TEST_FILE_DX10_BC7_UNORM_SRGB = "Tests/images/DXGI_FORMAT_BC7_UNORM_SRGB.dds" +TEST_FILE_DX10_R8G8B8A8 = "Tests/images/argb-32bpp_MipMaps-1.dds" +TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB = "Tests/images/DXGI_FORMAT_R8G8B8A8_UNORM_SRGB.dds" +TEST_FILE_UNCOMPRESSED_RGB = "Tests/images/hopper.dds" +TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA = "Tests/images/uncompressed_rgb.dds" + + +def test_sanity_dxt1(): + """Check DXT1 images can be opened""" + with Image.open(TEST_FILE_DXT1.replace(".dds", ".png")) as target: + target = target.convert("RGBA") + with Image.open(TEST_FILE_DXT1) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) + + assert_image_equal(im, target) + + +def test_sanity_dxt3(): + """Check DXT3 images can be opened""" + + with Image.open(TEST_FILE_DXT3) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) + + assert_image_equal_tofile(im, TEST_FILE_DXT3.replace(".dds", ".png")) + + +def test_sanity_dxt5(): + """Check DXT5 images can be opened""" + + with Image.open(TEST_FILE_DXT5) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) + + assert_image_equal_tofile(im, TEST_FILE_DXT5.replace(".dds", ".png")) + + +@pytest.mark.parametrize( + ("image_path", "expected_path"), + ( + # hexeditted to be typeless + (TEST_FILE_DX10_BC5_TYPELESS, TEST_FILE_DX10_BC5_UNORM), + (TEST_FILE_DX10_BC5_UNORM, TEST_FILE_DX10_BC5_UNORM), + # hexeditted to use DX10 FourCC + (TEST_FILE_DX10_BC5_SNORM, TEST_FILE_BC5S), + (TEST_FILE_BC5S, TEST_FILE_BC5S), + ), +) +def test_dx10_bc5(image_path, expected_path): + """Check DX10 BC5 images can be opened""" + + with Image.open(image_path) as im: + im.load() + + assert im.format == "DDS" + assert im.mode == "RGB" + assert im.size == (256, 256) + assert_image_equal_tofile(im, expected_path.replace(".dds", ".png")) -class TestFileDds(PillowTestCase): - """Test DdsImagePlugin""" - def test_sanity_dxt1(self): - """Check DXT1 images can be opened""" - target = Image.open(TEST_FILE_DXT1.replace('.dds', '.png')) +def test_dx10_bc7(): + """Check DX10 images can be opened""" - im = Image.open(TEST_FILE_DXT1) + with Image.open(TEST_FILE_DX10_BC7) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) - self.assert_image_equal(target.convert('RGBA'), im) + assert_image_equal_tofile(im, TEST_FILE_DX10_BC7.replace(".dds", ".png")) - def test_sanity_dxt5(self): - """Check DXT5 images can be opened""" - target = Image.open(TEST_FILE_DXT5.replace('.dds', '.png')) +def test_dx10_bc7_unorm_srgb(): + """Check DX10 unsigned normalized integer images can be opened""" - im = Image.open(TEST_FILE_DXT5) + with Image.open(TEST_FILE_DX10_BC7_UNORM_SRGB) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (16, 16) + assert im.info["gamma"] == 1 / 2.2 - self.assert_image_equal(target, im) + assert_image_equal_tofile( + im, TEST_FILE_DX10_BC7_UNORM_SRGB.replace(".dds", ".png") + ) - def test_sanity_dxt3(self): - """Check DXT3 images can be opened""" - target = Image.open(TEST_FILE_DXT3.replace('.dds', '.png')) +def test_dx10_r8g8b8a8(): + """Check DX10 images can be opened""" - im = Image.open(TEST_FILE_DXT3) + with Image.open(TEST_FILE_DX10_R8G8B8A8) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (256, 256) - self.assert_image_equal(target, im) + assert_image_equal_tofile(im, TEST_FILE_DX10_R8G8B8A8.replace(".dds", ".png")) - def test_dx10_bc7(self): - """Check DX10 images can be opened""" - target = Image.open(TEST_FILE_DX10_BC7.replace('.dds', '.png')) +def test_dx10_r8g8b8a8_unorm_srgb(): + """Check DX10 unsigned normalized integer images can be opened""" - im = Image.open(TEST_FILE_DX10_BC7) + with Image.open(TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB) as im: im.load() - self.assertEqual(im.format, "DDS") - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (256, 256)) + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (16, 16) + assert im.info["gamma"] == 1 / 2.2 - self.assert_image_equal(target, im) + assert_image_equal_tofile( + im, TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB.replace(".dds", ".png") + ) - def test__validate_true(self): - """Check valid prefix""" - # Arrange - prefix = b"DDS etc" - # Act - output = DdsImagePlugin._validate(prefix) +def test_unimplemented_dxgi_format(): + with pytest.raises(NotImplementedError): + with Image.open("Tests/images/unimplemented_dxgi_format.dds"): + pass - # Assert - self.assertTrue(output) - def test__validate_false(self): - """Check invalid prefix""" - # Arrange - prefix = b"something invalid" +def test_uncompressed_rgb(): + """Check uncompressed RGB images can be opened""" - # Act - output = DdsImagePlugin._validate(prefix) + # convert -format dds -define dds:compression=none hopper.jpg hopper.dds + with Image.open(TEST_FILE_UNCOMPRESSED_RGB) as im: + assert im.format == "DDS" + assert im.mode == "RGB" + assert im.size == (128, 128) - # Assert - self.assertFalse(output) + assert_image_equal_tofile(im, "Tests/images/hopper.png") - def test_short_header(self): - """ Check a short header""" - with open(TEST_FILE_DXT5, 'rb') as f: - img_file = f.read() + # Test image with alpha + with Image.open(TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA) as im: + assert im.format == "DDS" + assert im.mode == "RGBA" + assert im.size == (800, 600) - def short_header(): - Image.open(BytesIO(img_file[:119])) + assert_image_equal_tofile( + im, TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA.replace(".dds", ".png") + ) - self.assertRaises(IOError, short_header) - def test_short_file(self): - """ Check that the appropriate error is thrown for a short file""" +def test__accept_true(): + """Check valid prefix""" + # Arrange + prefix = b"DDS etc" - with open(TEST_FILE_DXT5, 'rb') as f: - img_file = f.read() + # Act + output = DdsImagePlugin._accept(prefix) - def short_file(): - im = Image.open(BytesIO(img_file[:-100])) + # Assert + assert output + + +def test__accept_false(): + """Check invalid prefix""" + # Arrange + prefix = b"something invalid" + + # Act + output = DdsImagePlugin._accept(prefix) + + # Assert + assert not output + + +def test_short_header(): + """Check a short header""" + with open(TEST_FILE_DXT5, "rb") as f: + img_file = f.read() + + def short_header(): + with Image.open(BytesIO(img_file[:119])): + pass # pragma: no cover + + with pytest.raises(OSError): + short_header() + + +def test_short_file(): + """Check that the appropriate error is thrown for a short file""" + + with open(TEST_FILE_DXT5, "rb") as f: + img_file = f.read() + + def short_file(): + with Image.open(BytesIO(img_file[:-100])) as im: im.load() - self.assertRaises(IOError, short_file) + with pytest.raises(OSError): + short_file() + + +def test_dxt5_colorblock_alpha_issue_4142(): + """Check that colorblocks are decoded correctly in DXT5""" + + with Image.open("Tests/images/dxt5-colorblock-alpha-issue-4142.dds") as im: + px = im.getpixel((0, 0)) + assert px[0] != 0 + assert px[1] != 0 + assert px[2] != 0 + + px = im.getpixel((1, 0)) + assert px[0] != 0 + assert px[1] != 0 + assert px[2] != 0 + + +def test_unimplemented_pixel_format(): + with pytest.raises(NotImplementedError): + with Image.open("Tests/images/unimplemented_pixel_format.dds"): + pass + + +def test_save_unsupported_mode(tmp_path): + out = str(tmp_path / "temp.dds") + im = hopper("HSV") + with pytest.raises(OSError): + im.save(out) + + +@pytest.mark.parametrize( + ("mode", "test_file"), + [ + ("RGB", "Tests/images/hopper.png"), + ("RGBA", "Tests/images/pil123rgba.png"), + ], +) +def test_save(mode, test_file, tmp_path): + out = str(tmp_path / "temp.dds") + with Image.open(test_file) as im: + assert im.mode == mode + im.save(out) -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + assert_image_equal(im, reloaded) diff --git a/Tests/test_file_eps.py b/Tests/test_file_eps.py index 2313b292c0f..4c0b96f7376 100644 --- a/Tests/test_file_eps.py +++ b/Tests/test_file_eps.py @@ -1,293 +1,292 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image, EpsImagePlugin import io +import pytest + +from PIL import EpsImagePlugin, Image, features + +from .helper import ( + assert_image_similar, + assert_image_similar_tofile, + hopper, + mark_if_feature_version, + skip_unless_feature, +) + +HAS_GHOSTSCRIPT = EpsImagePlugin.has_ghostscript() + # Our two EPS test files (they are identical except for their bounding boxes) -file1 = "Tests/images/zero_bb.eps" -file2 = "Tests/images/non_zero_bb.eps" +FILE1 = "Tests/images/zero_bb.eps" +FILE2 = "Tests/images/non_zero_bb.eps" # Due to palletization, we'll need to convert these to RGB after load -file1_compare = "Tests/images/zero_bb.png" -file1_compare_scale2 = "Tests/images/zero_bb_scale2.png" +FILE1_COMPARE = "Tests/images/zero_bb.png" +FILE1_COMPARE_SCALE2 = "Tests/images/zero_bb_scale2.png" -file2_compare = "Tests/images/non_zero_bb.png" -file2_compare_scale2 = "Tests/images/non_zero_bb_scale2.png" +FILE2_COMPARE = "Tests/images/non_zero_bb.png" +FILE2_COMPARE_SCALE2 = "Tests/images/non_zero_bb_scale2.png" # EPS test files with binary preview -file3 = "Tests/images/binary_preview_map.eps" - +FILE3 = "Tests/images/binary_preview_map.eps" -class TestFileEps(PillowTestCase): - def setUp(self): - if not EpsImagePlugin.has_ghostscript(): - self.skipTest("Ghostscript not available") - - def test_sanity(self): - # Regular scale - image1 = Image.open(file1) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_sanity(): + # Regular scale + with Image.open(FILE1) as image1: image1.load() - self.assertEqual(image1.mode, "RGB") - self.assertEqual(image1.size, (460, 352)) - self.assertEqual(image1.format, "EPS") + assert image1.mode == "RGB" + assert image1.size == (460, 352) + assert image1.format == "EPS" - image2 = Image.open(file2) + with Image.open(FILE2) as image2: image2.load() - self.assertEqual(image2.mode, "RGB") - self.assertEqual(image2.size, (360, 252)) - self.assertEqual(image2.format, "EPS") + assert image2.mode == "RGB" + assert image2.size == (360, 252) + assert image2.format == "EPS" - # Double scale - image1_scale2 = Image.open(file1) + # Double scale + with Image.open(FILE1) as image1_scale2: image1_scale2.load(scale=2) - self.assertEqual(image1_scale2.mode, "RGB") - self.assertEqual(image1_scale2.size, (920, 704)) - self.assertEqual(image1_scale2.format, "EPS") + assert image1_scale2.mode == "RGB" + assert image1_scale2.size == (920, 704) + assert image1_scale2.format == "EPS" - image2_scale2 = Image.open(file2) + with Image.open(FILE2) as image2_scale2: image2_scale2.load(scale=2) - self.assertEqual(image2_scale2.mode, "RGB") - self.assertEqual(image2_scale2.size, (720, 504)) - self.assertEqual(image2_scale2.format, "EPS") + assert image2_scale2.mode == "RGB" + assert image2_scale2.size == (720, 504) + assert image2_scale2.format == "EPS" + - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - EpsImagePlugin.EpsImageFile, invalid_file) + with pytest.raises(SyntaxError): + EpsImagePlugin.EpsImageFile(invalid_file) - def test_cmyk(self): - cmyk_image = Image.open("Tests/images/pil_sample_cmyk.eps") - self.assertEqual(cmyk_image.mode, "CMYK") - self.assertEqual(cmyk_image.size, (100, 100)) - self.assertEqual(cmyk_image.format, "EPS") +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_cmyk(): + with Image.open("Tests/images/pil_sample_cmyk.eps") as cmyk_image: + + assert cmyk_image.mode == "CMYK" + assert cmyk_image.size == (100, 100) + assert cmyk_image.format == "EPS" cmyk_image.load() - self.assertEqual(cmyk_image.mode, "RGB") - - if 'jpeg_decoder' in dir(Image.core): - target = Image.open('Tests/images/pil_sample_rgb.jpg') - self.assert_image_similar(cmyk_image, target, 10) - - def test_showpage(self): - # See https://github.com/python-pillow/Pillow/issues/2615 - plot_image = Image.open("Tests/images/reqd_showpage.eps") - target = Image.open("Tests/images/reqd_showpage.png") - - #should not crash/hang - plot_image.load() - # fonts could be slightly different - self.assert_image_similar(plot_image, target, 6) - - def test_file_object(self): - # issue 479 - image1 = Image.open(file1) - with open(self.tempfile('temp_file.eps'), 'wb') as fh: - image1.save(fh, 'EPS') - - def test_iobase_object(self): - # issue 479 - image1 = Image.open(file1) - with io.open(self.tempfile('temp_iobase.eps'), 'wb') as fh: - image1.save(fh, 'EPS') - - def test_bytesio_object(self): - with open(file1, 'rb') as f: - img_bytes = io.BytesIO(f.read()) - - img = Image.open(img_bytes) + assert cmyk_image.mode == "RGB" + + if features.check("jpg"): + assert_image_similar_tofile( + cmyk_image, "Tests/images/pil_sample_rgb.jpg", 10 + ) + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_showpage(): + # See https://github.com/python-pillow/Pillow/issues/2615 + with Image.open("Tests/images/reqd_showpage.eps") as plot_image: + with Image.open("Tests/images/reqd_showpage.png") as target: + # should not crash/hang + plot_image.load() + # fonts could be slightly different + assert_image_similar(plot_image, target, 6) + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_transparency(): + with Image.open("Tests/images/reqd_showpage.eps") as plot_image: + plot_image.load(transparency=True) + assert plot_image.mode == "RGBA" + + with Image.open("Tests/images/reqd_showpage_transparency.png") as target: + # fonts could be slightly different + assert_image_similar(plot_image, target, 6) + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_file_object(tmp_path): + # issue 479 + with Image.open(FILE1) as image1: + with open(str(tmp_path / "temp.eps"), "wb") as fh: + image1.save(fh, "EPS") + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_iobase_object(tmp_path): + # issue 479 + with Image.open(FILE1) as image1: + with open(str(tmp_path / "temp_iobase.eps"), "wb") as fh: + image1.save(fh, "EPS") + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_bytesio_object(): + with open(FILE1, "rb") as f: + img_bytes = io.BytesIO(f.read()) + + with Image.open(img_bytes) as img: img.load() - image1_scale1_compare = Image.open(file1_compare).convert("RGB") + with Image.open(FILE1_COMPARE) as image1_scale1_compare: + image1_scale1_compare = image1_scale1_compare.convert("RGB") image1_scale1_compare.load() - self.assert_image_similar(img, image1_scale1_compare, 5) + assert_image_similar(img, image1_scale1_compare, 5) + + +def test_image_mode_not_supported(tmp_path): + im = hopper("RGBA") + tmpfile = str(tmp_path / "temp.eps") + with pytest.raises(ValueError): + im.save(tmpfile) - def test_image_mode_not_supported(self): - im = hopper("RGBA") - tmpfile = self.tempfile('temp.eps') - self.assertRaises(ValueError, im.save, tmpfile) - def test_render_scale1(self): - # We need png support for these render test - codecs = dir(Image.core) - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +@skip_unless_feature("zlib") +def test_render_scale1(): + # We need png support for these render test - # Zero bounding box - image1_scale1 = Image.open(file1) + # Zero bounding box + with Image.open(FILE1) as image1_scale1: image1_scale1.load() - image1_scale1_compare = Image.open(file1_compare).convert("RGB") + with Image.open(FILE1_COMPARE) as image1_scale1_compare: + image1_scale1_compare = image1_scale1_compare.convert("RGB") image1_scale1_compare.load() - self.assert_image_similar(image1_scale1, image1_scale1_compare, 5) + assert_image_similar(image1_scale1, image1_scale1_compare, 5) - # Non-Zero bounding box - image2_scale1 = Image.open(file2) + # Non-Zero bounding box + with Image.open(FILE2) as image2_scale1: image2_scale1.load() - image2_scale1_compare = Image.open(file2_compare).convert("RGB") + with Image.open(FILE2_COMPARE) as image2_scale1_compare: + image2_scale1_compare = image2_scale1_compare.convert("RGB") image2_scale1_compare.load() - self.assert_image_similar(image2_scale1, image2_scale1_compare, 10) + assert_image_similar(image2_scale1, image2_scale1_compare, 10) - def test_render_scale2(self): - # We need png support for these render test - codecs = dir(Image.core) - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") - # Zero bounding box - image1_scale2 = Image.open(file1) +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +@skip_unless_feature("zlib") +def test_render_scale2(): + # We need png support for these render test + + # Zero bounding box + with Image.open(FILE1) as image1_scale2: image1_scale2.load(scale=2) - image1_scale2_compare = Image.open(file1_compare_scale2).convert("RGB") + with Image.open(FILE1_COMPARE_SCALE2) as image1_scale2_compare: + image1_scale2_compare = image1_scale2_compare.convert("RGB") image1_scale2_compare.load() - self.assert_image_similar(image1_scale2, image1_scale2_compare, 5) + assert_image_similar(image1_scale2, image1_scale2_compare, 5) - # Non-Zero bounding box - image2_scale2 = Image.open(file2) + # Non-Zero bounding box + with Image.open(FILE2) as image2_scale2: image2_scale2.load(scale=2) - image2_scale2_compare = Image.open(file2_compare_scale2).convert("RGB") + with Image.open(FILE2_COMPARE_SCALE2) as image2_scale2_compare: + image2_scale2_compare = image2_scale2_compare.convert("RGB") image2_scale2_compare.load() - self.assert_image_similar(image2_scale2, image2_scale2_compare, 10) - - def test_resize(self): - # Arrange - image1 = Image.open(file1) - image2 = Image.open(file2) - image3 = Image.open("Tests/images/illu10_preview.eps") - new_size = (100, 100) - - # Act - image1 = image1.resize(new_size) - image2 = image2.resize(new_size) - image3 = image3.resize(new_size) - - # Assert - self.assertEqual(image1.size, new_size) - self.assertEqual(image2.size, new_size) - self.assertEqual(image3.size, new_size) - - def test_thumbnail(self): - # Issue #619 - # Arrange - image1 = Image.open(file1) - image2 = Image.open(file2) - new_size = (100, 100) - - # Act - image1.thumbnail(new_size) - image2.thumbnail(new_size) - - # Assert - self.assertEqual(max(image1.size), max(new_size)) - self.assertEqual(max(image2.size), max(new_size)) - - def test_read_binary_preview(self): - # Issue 302 - # open image with binary preview - Image.open(file3) - - def _test_readline(self, t, ending): - ending = "Failure with line ending: %s" % ("".join( - "%s" % ord(s) - for s in ending)) - self.assertEqual(t.readline().strip('\r\n'), 'something', ending) - self.assertEqual(t.readline().strip('\r\n'), 'else', ending) - self.assertEqual(t.readline().strip('\r\n'), 'baz', ending) - self.assertEqual(t.readline().strip('\r\n'), 'bif', ending) - - def _test_readline_stringio(self, test_string, ending): - # check all the freaking line endings possible - try: - import StringIO - except ImportError: - # don't skip, it skips everything in the parent test - return - t = StringIO.StringIO(test_string) - self._test_readline(t, ending) - - def _test_readline_io(self, test_string, ending): - if str is bytes: - t = io.StringIO(unicode(test_string)) - else: - t = io.StringIO(test_string) - self._test_readline(t, ending) - - def _test_readline_file_universal(self, test_string, ending): - f = self.tempfile('temp.txt') - with open(f, 'wb') as w: - if str is bytes: - w.write(test_string) - else: - w.write(test_string.encode('UTF-8')) - - with open(f, 'rU') as t: - self._test_readline(t, ending) - - def _test_readline_file_psfile(self, test_string, ending): - f = self.tempfile('temp.txt') - with open(f, 'wb') as w: - if str is bytes: - w.write(test_string) - else: - w.write(test_string.encode('UTF-8')) - - with open(f, 'rb') as r: + assert_image_similar(image2_scale2, image2_scale2_compare, 10) + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_resize(): + files = [FILE1, FILE2, "Tests/images/illu10_preview.eps"] + for fn in files: + with Image.open(fn) as im: + new_size = (100, 100) + im = im.resize(new_size) + assert im.size == new_size + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_thumbnail(): + # Issue #619 + # Arrange + files = [FILE1, FILE2] + for fn in files: + with Image.open(FILE1) as im: + new_size = (100, 100) + im.thumbnail(new_size) + assert max(im.size) == max(new_size) + + +def test_read_binary_preview(): + # Issue 302 + # open image with binary preview + with Image.open(FILE3): + pass + + +def test_readline(tmp_path): + # check all the freaking line endings possible from the spec + # test_string = u'something\r\nelse\n\rbaz\rbif\n' + line_endings = ["\r\n", "\n", "\n\r", "\r"] + strings = ["something", "else", "baz", "bif"] + + def _test_readline(t, ending): + ending = "Failure with line ending: %s" % ( + "".join("%s" % ord(s) for s in ending) + ) + assert t.readline().strip("\r\n") == "something", ending + assert t.readline().strip("\r\n") == "else", ending + assert t.readline().strip("\r\n") == "baz", ending + assert t.readline().strip("\r\n") == "bif", ending + + def _test_readline_io_psfile(test_string, ending): + f = io.BytesIO(test_string.encode("latin-1")) + t = EpsImagePlugin.PSFile(f) + _test_readline(t, ending) + + def _test_readline_file_psfile(test_string, ending): + f = str(tmp_path / "temp.txt") + with open(f, "wb") as w: + w.write(test_string.encode("latin-1")) + + with open(f, "rb") as r: t = EpsImagePlugin.PSFile(r) - self._test_readline(t, ending) - - def test_readline(self): - # check all the freaking line endings possible from the spec - # test_string = u'something\r\nelse\n\rbaz\rbif\n' - line_endings = ['\r\n', '\n'] - not_working_endings = ['\n\r', '\r'] - strings = ['something', 'else', 'baz', 'bif'] - - for ending in line_endings: - s = ending.join(strings) - # Native Python versions will pass these endings. - # self._test_readline_stringio(s, ending) - # self._test_readline_io(s, ending) - # self._test_readline_file_universal(s, ending) - - self._test_readline_file_psfile(s, ending) - - for ending in not_working_endings: - # these only work with the PSFile, while they're in spec, - # they're not likely to be used - s = ending.join(strings) - - # Native Python versions may fail on these endings. - # self._test_readline_stringio(s, ending) - # self._test_readline_io(s, ending) - # self._test_readline_file_universal(s, ending) - - self._test_readline_file_psfile(s, ending) - - def test_open_eps(self): - # https://github.com/python-pillow/Pillow/issues/1104 - # Arrange - FILES = ["Tests/images/illu10_no_preview.eps", - "Tests/images/illu10_preview.eps", - "Tests/images/illuCS6_no_preview.eps", - "Tests/images/illuCS6_preview.eps"] - - # Act - for filename in FILES: - img = Image.open(filename) - - # Assert - self.assertEqual(img.mode, "RGB") - - def test_emptyline(self): - # Test file includes an empty line in the header data - emptyline_file = "Tests/images/zero_bb_emptyline.eps" - - image = Image.open(emptyline_file) - image.load() - self.assertEqual(image.mode, "RGB") - self.assertEqual(image.size, (460, 352)) - self.assertEqual(image.format, "EPS") + _test_readline(t, ending) + + for ending in line_endings: + s = ending.join(strings) + _test_readline_io_psfile(s, ending) + _test_readline_file_psfile(s, ending) + +def test_open_eps(): + # https://github.com/python-pillow/Pillow/issues/1104 + # Arrange + FILES = [ + "Tests/images/illu10_no_preview.eps", + "Tests/images/illu10_preview.eps", + "Tests/images/illuCS6_no_preview.eps", + "Tests/images/illuCS6_preview.eps", + ] -if __name__ == '__main__': - unittest.main() + # Act / Assert + for filename in FILES: + with Image.open(filename) as img: + assert img.mode == "RGB" + + +@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available") +def test_emptyline(): + # Test file includes an empty line in the header data + emptyline_file = "Tests/images/zero_bb_emptyline.eps" + + with Image.open(emptyline_file) as image: + image.load() + assert image.mode == "RGB" + assert image.size == (460, 352) + assert image.format == "EPS" + + +@pytest.mark.timeout(timeout=5) +@pytest.mark.parametrize( + "test_file", + ["Tests/images/timeout-d675703545fee17acab56e5fec644c19979175de.eps"], +) +def test_timeout(test_file): + with open(test_file, "rb") as f: + with pytest.raises(Image.UnidentifiedImageError): + with Image.open(f): + pass diff --git a/Tests/test_file_fitsstub.py b/Tests/test_file_fitsstub.py index d74e983ce95..c77457947ef 100644 --- a/Tests/test_file_fitsstub.py +++ b/Tests/test_file_fitsstub.py @@ -1,50 +1,63 @@ -from helper import unittest, PillowTestCase +from io import BytesIO + +import pytest from PIL import FitsStubImagePlugin, Image TEST_FILE = "Tests/images/hopper.fits" -class TestFileFitsStub(PillowTestCase): - - def test_open(self): - # Act - im = Image.open(TEST_FILE) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.format, "FITS") + assert im.format == "FITS" + assert im.size == (128, 128) + assert im.mode == "L" + - # Dummy data from the stub - self.assertEqual(im.mode, "F") - self.assertEqual(im.size, (1, 1)) +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" - def test_invalid_file(self): - # Arrange - invalid_file = "Tests/images/flower.jpg" + # Act / Assert + with pytest.raises(SyntaxError): + FitsStubImagePlugin.FITSStubImageFile(invalid_file) - # Act / Assert - self.assertRaises(SyntaxError, - FitsStubImagePlugin.FITSStubImageFile, invalid_file) - def test_load(self): - # Arrange - im = Image.open(TEST_FILE) +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: # Act / Assert: stub cannot load without an implemented handler - self.assertRaises(IOError, im.load) + with pytest.raises(OSError): + im.load() + + +def test_truncated_fits(): + # No END to headers + image_data = b"SIMPLE = T" + b" " * 50 + b"TRUNCATE" + with pytest.raises(OSError): + FitsStubImagePlugin.FITSStubImageFile(BytesIO(image_data)) - def test_save(self): - # Arrange - im = Image.open(TEST_FILE) + +def test_naxis_zero(): + # This test image has been manually hexedited + # to set the number of data axes to zero + with pytest.raises(ValueError): + with Image.open("Tests/images/hopper_naxis_zero.fits"): + pass + + +def test_save(): + # Arrange + with Image.open(TEST_FILE) as im: dummy_fp = None dummy_filename = "dummy.filename" # Act / Assert: stub cannot save without an implemented handler - self.assertRaises(IOError, im.save, dummy_filename) - self.assertRaises( - IOError, - FitsStubImagePlugin._save, im, dummy_fp, dummy_filename) - - -if __name__ == '__main__': - unittest.main() + with pytest.raises(OSError): + im.save(dummy_filename) + with pytest.raises(OSError): + FitsStubImagePlugin._save(im, dummy_fp, dummy_filename) diff --git a/Tests/test_file_fli.py b/Tests/test_file_fli.py index 142af3cec40..675e06bf83c 100644 --- a/Tests/test_file_fli.py +++ b/Tests/test_file_fli.py @@ -1,6 +1,8 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, FliImagePlugin +from PIL import FliImagePlugin, Image + +from .helper import assert_image_equal_tofile, is_pypy # created as an export of a palette image from Gimp2.6 # save as...-> hopper.fli, default options. @@ -10,81 +12,142 @@ animated_test_file = "Tests/images/a.fli" -class TestFileFli(PillowTestCase): - - def test_sanity(self): +def test_sanity(): + with Image.open(static_test_file) as im: + im.load() + assert im.mode == "P" + assert im.size == (128, 128) + assert im.format == "FLI" + assert not im.is_animated + + with Image.open(animated_test_file) as im: + assert im.mode == "P" + assert im.size == (320, 200) + assert im.format == "FLI" + assert im.info["duration"] == 71 + assert im.is_animated + + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(static_test_file) im.load() - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "FLI") - self.assertFalse(im.is_animated) - - im = Image.open(animated_test_file) - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (320, 200)) - self.assertEqual(im.format, "FLI") - self.assertEqual(im.info["duration"], 71) - self.assertTrue(im.is_animated) - - def test_tell(self): - # Arrange + + pytest.warns(ResourceWarning, open) + + +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(static_test_file) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(static_test_file) as im: + im.load() + + assert not record + + +def test_tell(): + # Arrange + with Image.open(static_test_file) as im: # Act frame = im.tell() # Assert - self.assertEqual(frame, 0) + assert frame == 0 - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - FliImagePlugin.FliImageFile, invalid_file) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + FliImagePlugin.FliImageFile(invalid_file) - def test_n_frames(self): - im = Image.open(static_test_file) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - im = Image.open(animated_test_file) - self.assertEqual(im.n_frames, 384) - self.assertTrue(im.is_animated) +def test_n_frames(): + with Image.open(static_test_file) as im: + assert im.n_frames == 1 + assert not im.is_animated - def test_eoferror(self): - im = Image.open(animated_test_file) + with Image.open(animated_test_file) as im: + assert im.n_frames == 384 + assert im.is_animated + + +def test_eoferror(): + with Image.open(animated_test_file) as im: n_frames = im.n_frames # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) + im.seek(n_frames - 1) + - def test_seek_tell(self): - im = Image.open(animated_test_file) +def test_seek_tell(): + with Image.open(animated_test_file) as im: layer_number = im.tell() - self.assertEqual(layer_number, 0) + assert layer_number == 0 im.seek(0) layer_number = im.tell() - self.assertEqual(layer_number, 0) + assert layer_number == 0 im.seek(1) layer_number = im.tell() - self.assertEqual(layer_number, 1) + assert layer_number == 1 im.seek(2) layer_number = im.tell() - self.assertEqual(layer_number, 2) + assert layer_number == 2 im.seek(1) layer_number = im.tell() - self.assertEqual(layer_number, 1) - - -if __name__ == '__main__': - unittest.main() + assert layer_number == 1 + + +def test_seek(): + with Image.open(animated_test_file) as im: + im.seek(50) + + assert_image_equal_tofile(im, "Tests/images/a_fli.png") + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/timeout-9139147ce93e20eb14088fe238e541443ffd64b3.fli", + "Tests/images/timeout-bff0a9dc7243a8e6ede2408d2ffa6a9964698b87.fli", + ], +) +@pytest.mark.timeout(timeout=3) +def test_timeouts(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/crash-5762152299364352.fli", + ], +) +def test_crash(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() diff --git a/Tests/test_file_fpx.py b/Tests/test_file_fpx.py index 441a3e635b3..818565f88b3 100644 --- a/Tests/test_file_fpx.py +++ b/Tests/test_file_fpx.py @@ -1,27 +1,25 @@ -from helper import unittest, PillowTestCase +import pytest -try: - from PIL import FpxImagePlugin -except ImportError: - olefile_installed = False -else: - olefile_installed = True +from PIL import Image +FpxImagePlugin = pytest.importorskip( + "PIL.FpxImagePlugin", reason="olefile not installed" +) -@unittest.skipUnless(olefile_installed, "olefile package not installed") -class TestFileFpx(PillowTestCase): - def test_invalid_file(self): - # Test an invalid OLE file - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - FpxImagePlugin.FpxImageFile, invalid_file) +def test_invalid_file(): + # Test an invalid OLE file + invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + FpxImagePlugin.FpxImageFile(invalid_file) - # Test a valid OLE file, but not an FPX file - ole_file = "Tests/images/test-ole-file.doc" - self.assertRaises(SyntaxError, - FpxImagePlugin.FpxImageFile, ole_file) + # Test a valid OLE file, but not an FPX file + ole_file = "Tests/images/test-ole-file.doc" + with pytest.raises(SyntaxError): + FpxImagePlugin.FpxImageFile(ole_file) -if __name__ == '__main__': - unittest.main() +def test_fpx_invalid_number_of_bands(): + with pytest.raises(OSError, match="Invalid number of bands"): + with Image.open("Tests/images/input_bw_five_bands.fpx"): + pass diff --git a/Tests/test_file_ftex.py b/Tests/test_file_ftex.py index ed1116ad591..f76fd895a58 100644 --- a/Tests/test_file_ftex.py +++ b/Tests/test_file_ftex.py @@ -1,19 +1,14 @@ -from helper import unittest, PillowTestCase from PIL import Image +from .helper import assert_image_equal_tofile, assert_image_similar -class TestFileFtex(PillowTestCase): - def test_load_raw(self): - im = Image.open('Tests/images/ftex_uncompressed.ftu') - target = Image.open('Tests/images/ftex_uncompressed.png') +def test_load_raw(): + with Image.open("Tests/images/ftex_uncompressed.ftu") as im: + assert_image_equal_tofile(im, "Tests/images/ftex_uncompressed.png") - self.assert_image_equal(im, target) - def test_load_dxt1(self): - im = Image.open('Tests/images/ftex_dxt1.ftc') - target = Image.open('Tests/images/ftex_dxt1.png') - self.assert_image_similar(im, target.convert('RGBA'), 15) - -if __name__ == '__main__': - unittest.main() +def test_load_dxt1(): + with Image.open("Tests/images/ftex_dxt1.ftc") as im: + with Image.open("Tests/images/ftex_dxt1.png") as target: + assert_image_similar(im, target.convert("RGBA"), 15) diff --git a/Tests/test_file_gbr.py b/Tests/test_file_gbr.py index aacc193f46d..8d7fcf14779 100644 --- a/Tests/test_file_gbr.py +++ b/Tests/test_file_gbr.py @@ -1,22 +1,24 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, GbrImagePlugin +from PIL import GbrImagePlugin, Image +from .helper import assert_image_equal_tofile -class TestFileGbr(PillowTestCase): - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - GbrImagePlugin.GbrImageFile, invalid_file) + with pytest.raises(SyntaxError): + GbrImagePlugin.GbrImageFile(invalid_file) - def test_gbr_file(self): - im = Image.open('Tests/images/gbr.gbr') - target = Image.open('Tests/images/gbr.png') +def test_gbr_file(): + with Image.open("Tests/images/gbr.gbr") as im: + assert_image_equal_tofile(im, "Tests/images/gbr.png") - self.assert_image_equal(target, im) -if __name__ == '__main__': - unittest.main() +def test_multiple_load_operations(): + with Image.open("Tests/images/gbr.gbr") as im: + im.load() + im.load() + assert_image_equal_tofile(im, "Tests/images/gbr.png") diff --git a/Tests/test_file_gd.py b/Tests/test_file_gd.py new file mode 100644 index 00000000000..5594e5bbb9e --- /dev/null +++ b/Tests/test_file_gd.py @@ -0,0 +1,23 @@ +import pytest + +from PIL import GdImageFile, UnidentifiedImageError + +TEST_GD_FILE = "Tests/images/hopper.gd" + + +def test_sanity(): + with GdImageFile.open(TEST_GD_FILE) as im: + assert im.size == (128, 128) + assert im.format == "GD" + + +def test_bad_mode(): + with pytest.raises(ValueError): + GdImageFile.open(TEST_GD_FILE, "bad mode") + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(UnidentifiedImageError): + GdImageFile.open(invalid_file) diff --git a/Tests/test_file_gif.py b/Tests/test_file_gif.py index 22a2c007261..00bf582fafb 100644 --- a/Tests/test_file_gif.py +++ b/Tests/test_file_gif.py @@ -1,10 +1,17 @@ -from helper import unittest, PillowTestCase, hopper, netpbm_available +from io import BytesIO -from PIL import Image, ImagePalette, GifImagePlugin +import pytest -from io import BytesIO +from PIL import GifImagePlugin, Image, ImageDraw, ImagePalette, features -codecs = dir(Image.core) +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, + is_pypy, + netpbm_available, +) # sample gif stream TEST_GIF = "Tests/images/hopper.gif" @@ -13,580 +20,950 @@ data = f.read() -class TestFileGif(PillowTestCase): +def test_sanity(): + with Image.open(TEST_GIF) as im: + im.load() + assert im.mode == "P" + assert im.size == (128, 128) + assert im.format == "GIF" + assert im.info["version"] == b"GIF89a" - def setUp(self): - if "gif_encoder" not in codecs or "gif_decoder" not in codecs: - self.skipTest("gif support not available") # can this happen? - def test_sanity(self): +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(TEST_GIF) im.load() - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "GIF") - self.assertEqual(im.info["version"], b"GIF89a") - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - - self.assertRaises(SyntaxError, - GifImagePlugin.GifImageFile, invalid_file) - - def test_optimize(self): - def test_grayscale(optimize): - im = Image.new("L", (1, 1), 0) - filename = BytesIO() - im.save(filename, "GIF", optimize=optimize) - return len(filename.getvalue()) - - def test_bilevel(optimize): - im = Image.new("1", (1, 1), 0) - test_file = BytesIO() - im.save(test_file, "GIF", optimize=optimize) - return len(test_file.getvalue()) - - self.assertEqual(test_grayscale(0), 800) - self.assertEqual(test_grayscale(1), 38) - self.assertEqual(test_bilevel(0), 800) - self.assertEqual(test_bilevel(1), 800) - - def test_optimize_correctness(self): - # 256 color Palette image, posterize to > 128 and < 128 levels - # Size bigger and smaller than 512x512 - # Check the palette for number of colors allocated. - # Check for correctness after conversion back to RGB - def check(colors, size, expected_palette_length): - # make an image with empty colors in the start of the palette range - im = Image.frombytes('P', (colors, colors), - bytes(bytearray(range(256-colors, 256))*colors)) - im = im.resize((size, size)) - outfile = BytesIO() - im.save(outfile, 'GIF') - outfile.seek(0) - reloaded = Image.open(outfile) - # check palette length - palette_length = max(i+1 for i, v in enumerate(reloaded.histogram()) if v) - self.assertEqual(expected_palette_length, palette_length) + pytest.warns(ResourceWarning, open) + + +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(TEST_GIF) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_GIF) as im: + im.load() + + assert not record - self.assert_image_equal(im.convert('RGB'), reloaded.convert('RGB')) - # These do optimize the palette - check(128, 511, 128) - check(64, 511, 64) - check(4, 511, 4) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - # These don't optimize the palette - check(128, 513, 256) - check(64, 513, 256) - check(4, 513, 256) + with pytest.raises(SyntaxError): + GifImagePlugin.GifImageFile(invalid_file) - # other limits that don't optimize the palette - check(129, 511, 256) - check(255, 511, 256) - check(256, 511, 256) - def test_optimize_full_l(self): - im = Image.frombytes("L", (16, 16), bytes(bytearray(range(256)))) +def test_optimize(): + def test_grayscale(optimize): + im = Image.new("L", (1, 1), 0) + filename = BytesIO() + im.save(filename, "GIF", optimize=optimize) + return len(filename.getvalue()) + + def test_bilevel(optimize): + im = Image.new("1", (1, 1), 0) test_file = BytesIO() - im.save(test_file, "GIF", optimize=True) - self.assertEqual(im.mode, "L") + im.save(test_file, "GIF", optimize=optimize) + return len(test_file.getvalue()) + + assert test_grayscale(0) == 799 + assert test_grayscale(1) == 43 + assert test_bilevel(0) == 799 + assert test_bilevel(1) == 799 + + +def test_optimize_correctness(): + # 256 color Palette image, posterize to > 128 and < 128 levels + # Size bigger and smaller than 512x512 + # Check the palette for number of colors allocated. + # Check for correctness after conversion back to RGB + def check(colors, size, expected_palette_length): + # make an image with empty colors in the start of the palette range + im = Image.frombytes( + "P", (colors, colors), bytes(range(256 - colors, 256)) * colors + ) + im = im.resize((size, size)) + outfile = BytesIO() + im.save(outfile, "GIF") + outfile.seek(0) + with Image.open(outfile) as reloaded: + # check palette length + palette_length = max(i + 1 for i, v in enumerate(reloaded.histogram()) if v) + assert expected_palette_length == palette_length - def test_roundtrip(self): - out = self.tempfile('temp.gif') - im = hopper() - im.save(out) - reread = Image.open(out) + assert_image_equal(im.convert("RGB"), reloaded.convert("RGB")) - self.assert_image_similar(reread.convert('RGB'), im, 50) + # These do optimize the palette + check(128, 511, 128) + check(64, 511, 64) + check(4, 511, 4) - def test_roundtrip2(self): - # see https://github.com/python-pillow/Pillow/issues/403 - out = self.tempfile('temp.gif') - im = Image.open(TEST_GIF) + # These don't optimize the palette + check(128, 513, 256) + check(64, 513, 256) + check(4, 513, 256) + + # Other limits that don't optimize the palette + check(129, 511, 256) + check(255, 511, 256) + check(256, 511, 256) + + +def test_optimize_full_l(): + im = Image.frombytes("L", (16, 16), bytes(range(256))) + test_file = BytesIO() + im.save(test_file, "GIF", optimize=True) + assert im.mode == "L" + + +def test_roundtrip(tmp_path): + out = str(tmp_path / "temp.gif") + im = hopper() + im.save(out) + with Image.open(out) as reread: + + assert_image_similar(reread.convert("RGB"), im, 50) + + +def test_roundtrip2(tmp_path): + # see https://github.com/python-pillow/Pillow/issues/403 + out = str(tmp_path / "temp.gif") + with Image.open(TEST_GIF) as im: im2 = im.copy() im2.save(out) - reread = Image.open(out) + with Image.open(out) as reread: - self.assert_image_similar(reread.convert('RGB'), hopper(), 50) + assert_image_similar(reread.convert("RGB"), hopper(), 50) - def test_roundtrip_save_all(self): - # Single frame image - out = self.tempfile('temp.gif') - im = hopper() - im.save(out, save_all=True) - reread = Image.open(out) - self.assert_image_similar(reread.convert('RGB'), im, 50) +def test_roundtrip_save_all(tmp_path): + # Single frame image + out = str(tmp_path / "temp.gif") + im = hopper() + im.save(out, save_all=True) + with Image.open(out) as reread: - # Multiframe image - im = Image.open("Tests/images/dispose_bgnd.gif") + assert_image_similar(reread.convert("RGB"), im, 50) - out = self.tempfile('temp.gif') + # Multiframe image + with Image.open("Tests/images/dispose_bgnd.gif") as im: + out = str(tmp_path / "temp.gif") im.save(out, save_all=True) - reread = Image.open(out) - self.assertEqual(reread.n_frames, 5) + with Image.open(out) as reread: + assert reread.n_frames == 5 + + +@pytest.mark.parametrize( + "path, mode", + ( + ("Tests/images/dispose_bgnd.gif", "RGB"), + # Hexeditted copy of dispose_bgnd to add transparency + ("Tests/images/dispose_bgnd_rgba.gif", "RGBA"), + ), +) +def test_loading_multiple_palettes(path, mode): + with Image.open(path) as im: + assert im.mode == "P" + first_frame_colors = im.palette.colors.keys() + original_color = im.convert("RGB").load()[0, 0] + + im.seek(1) + assert im.mode == mode + if mode == "RGBA": + im = im.convert("RGB") - def test_headers_saving_for_animated_gifs(self): - important_headers = ['background', 'version', 'duration', 'loop'] - # Multiframe image - im = Image.open("Tests/images/dispose_bgnd.gif") + # Check a color only from the old palette + assert im.load()[0, 0] == original_color - out = self.tempfile('temp.gif') + # Check a color from the new palette + assert im.load()[24, 24] not in first_frame_colors + + +def test_headers_saving_for_animated_gifs(tmp_path): + important_headers = ["background", "version", "duration", "loop"] + # Multiframe image + with Image.open("Tests/images/dispose_bgnd.gif") as im: + + info = im.info.copy() + + out = str(tmp_path / "temp.gif") im.save(out, save_all=True) - reread = Image.open(out) + with Image.open(out) as reread: for header in important_headers: - self.assertEqual( - im.info[header], - reread.info[header] - ) + assert info[header] == reread.info[header] - def test_palette_handling(self): - # see https://github.com/python-pillow/Pillow/issues/513 - im = Image.open(TEST_GIF) - im = im.convert('RGB') +def test_palette_handling(tmp_path): + # see https://github.com/python-pillow/Pillow/issues/513 + + with Image.open(TEST_GIF) as im: + im = im.convert("RGB") im = im.resize((100, 100), Image.LANCZOS) - im2 = im.convert('P', palette=Image.ADAPTIVE, colors=256) + im2 = im.convert("P", palette=Image.ADAPTIVE, colors=256) - f = self.tempfile('temp.gif') + f = str(tmp_path / "temp.gif") im2.save(f, optimize=True) - reloaded = Image.open(f) + with Image.open(f) as reloaded: + + assert_image_similar(im, reloaded.convert("RGB"), 10) - self.assert_image_similar(im, reloaded.convert('RGB'), 10) - def test_palette_434(self): - # see https://github.com/python-pillow/Pillow/issues/434 +def test_palette_434(tmp_path): + # see https://github.com/python-pillow/Pillow/issues/434 - def roundtrip(im, *args, **kwargs): - out = self.tempfile('temp.gif') - im.copy().save(out, *args, **kwargs) - reloaded = Image.open(out) + def roundtrip(im, *args, **kwargs): + out = str(tmp_path / "temp.gif") + im.copy().save(out, *args, **kwargs) + reloaded = Image.open(out) - return reloaded + return reloaded - orig = "Tests/images/test.colors.gif" - im = Image.open(orig) + orig = "Tests/images/test.colors.gif" + with Image.open(orig) as im: - self.assert_image_similar(im, roundtrip(im), 1) - self.assert_image_similar(im, roundtrip(im, optimize=True), 1) + with roundtrip(im) as reloaded: + assert_image_similar(im, reloaded, 1) + with roundtrip(im, optimize=True) as reloaded: + assert_image_similar(im, reloaded, 1) im = im.convert("RGB") # check automatic P conversion - reloaded = roundtrip(im).convert('RGB') - self.assert_image_equal(im, reloaded) + with roundtrip(im) as reloaded: + reloaded = reloaded.convert("RGB") + assert_image_equal(im, reloaded) - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_bmp_mode(self): - img = Image.open(TEST_GIF).convert("RGB") - tempfile = self.tempfile("temp.gif") +@pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") +def test_save_netpbm_bmp_mode(tmp_path): + with Image.open(TEST_GIF) as img: + img = img.convert("RGB") + + tempfile = str(tmp_path / "temp.gif") GifImagePlugin._save_netpbm(img, 0, tempfile) - self.assert_image_similar(img, Image.open(tempfile).convert("RGB"), 0) + with Image.open(tempfile) as reloaded: + assert_image_similar(img, reloaded.convert("RGB"), 0) + - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_l_mode(self): - img = Image.open(TEST_GIF).convert("L") +@pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") +def test_save_netpbm_l_mode(tmp_path): + with Image.open(TEST_GIF) as img: + img = img.convert("L") - tempfile = self.tempfile("temp.gif") + tempfile = str(tmp_path / "temp.gif") GifImagePlugin._save_netpbm(img, 0, tempfile) - self.assert_image_similar(img, Image.open(tempfile).convert("L"), 0) + with Image.open(tempfile) as reloaded: + assert_image_similar(img, reloaded.convert("L"), 0) + - def test_seek(self): - img = Image.open("Tests/images/dispose_none.gif") - framecount = 0 +def test_seek(): + with Image.open("Tests/images/dispose_none.gif") as img: + frame_count = 0 try: while True: - framecount += 1 + frame_count += 1 img.seek(img.tell() + 1) except EOFError: - self.assertEqual(framecount, 5) - - def test_n_frames(self): - for path, n_frames in [ - [TEST_GIF, 1], - ['Tests/images/iss634.gif', 42] - ]: - # Test is_animated before n_frames - im = Image.open(path) - self.assertEqual(im.is_animated, n_frames != 1) - - # Test is_animated after n_frames - im = Image.open(path) - self.assertEqual(im.n_frames, n_frames) - self.assertEqual(im.is_animated, n_frames != 1) - - def test_eoferror(self): - im = Image.open(TEST_GIF) + assert frame_count == 5 + + +def test_seek_info(): + with Image.open("Tests/images/iss634.gif") as im: + info = im.info.copy() + + im.seek(1) + im.seek(0) + + assert im.info == info + + +def test_seek_rewind(): + with Image.open("Tests/images/iss634.gif") as im: + im.seek(2) + im.seek(1) + + with Image.open("Tests/images/iss634.gif") as expected: + expected.seek(1) + assert_image_equal(im, expected) + + +def test_n_frames(): + for path, n_frames in [[TEST_GIF, 1], ["Tests/images/iss634.gif", 42]]: + # Test is_animated before n_frames + with Image.open(path) as im: + assert im.is_animated == (n_frames != 1) + + # Test is_animated after n_frames + with Image.open(path) as im: + assert im.n_frames == n_frames + assert im.is_animated == (n_frames != 1) + + +def test_eoferror(): + with Image.open(TEST_GIF) as im: n_frames = im.n_frames # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) + im.seek(n_frames - 1) + - def test_dispose_none(self): - img = Image.open("Tests/images/dispose_none.gif") +def test_first_frame_transparency(): + with Image.open("Tests/images/first_frame_transparency.gif") as im: + px = im.load() + assert px[0, 0] == im.info["transparency"] + + +def test_dispose_none(): + with Image.open("Tests/images/dispose_none.gif") as img: try: while True: img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, 1) + assert img.disposal_method == 1 except EOFError: pass - def test_dispose_background(self): - img = Image.open("Tests/images/dispose_bgnd.gif") + +def test_dispose_none_load_end(): + # Test image created with: + # + # im = Image.open("transparent.gif") + # im_rotated = im.rotate(180) + # im.save("dispose_none_load_end.gif", + # save_all=True, append_images=[im_rotated], disposal=[1,2]) + with Image.open("Tests/images/dispose_none_load_end.gif") as img: + img.seek(1) + + assert_image_equal_tofile(img, "Tests/images/dispose_none_load_end_second.png") + + +def test_dispose_background(): + with Image.open("Tests/images/dispose_bgnd.gif") as img: try: while True: img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, 2) + assert img.disposal_method == 2 except EOFError: pass - def test_dispose_previous(self): - img = Image.open("Tests/images/dispose_prev.gif") + +def test_dispose_background_transparency(): + with Image.open("Tests/images/dispose_bgnd_transparency.gif") as img: + img.seek(2) + px = img.load() + assert px[35, 30][3] == 0 + + +def test_transparent_dispose(): + expected_colors = [ + (2, 1, 2), + ((0, 255, 24, 255), (0, 0, 255, 255), (0, 255, 24, 255)), + ((0, 0, 0, 0), (0, 0, 255, 255), (0, 0, 0, 0)), + ] + with Image.open("Tests/images/transparent_dispose.gif") as img: + for frame in range(3): + img.seek(frame) + for x in range(3): + color = img.getpixel((x, 0)) + assert color == expected_colors[frame][x] + + +def test_dispose_previous(): + with Image.open("Tests/images/dispose_prev.gif") as img: try: while True: img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, 3) + assert img.disposal_method == 3 except EOFError: pass - def test_save_dispose(self): - out = self.tempfile('temp.gif') - im_list = [ - Image.new('L', (100, 100), '#000'), - Image.new('L', (100, 100), '#111'), - Image.new('L', (100, 100), '#222'), - ] - for method in range(0,4): - im_list[0].save( - out, - save_all=True, - append_images=im_list[1:], - disposal=method - ) - img = Image.open(out) + +def test_dispose_previous_first_frame(): + with Image.open("Tests/images/dispose_prev_first_frame.gif") as im: + im.seek(1) + assert_image_equal_tofile( + im, "Tests/images/dispose_prev_first_frame_seeked.png" + ) + + +def test_previous_frame_loaded(): + with Image.open("Tests/images/dispose_none.gif") as img: + img.load() + img.seek(1) + img.load() + img.seek(2) + with Image.open("Tests/images/dispose_none.gif") as img_skipped: + img_skipped.seek(2) + assert_image_equal(img_skipped, img) + + +def test_save_dispose(tmp_path): + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#111"), + Image.new("L", (100, 100), "#222"), + ] + for method in range(0, 4): + im_list[0].save(out, save_all=True, append_images=im_list[1:], disposal=method) + with Image.open(out) as img: for _ in range(2): img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, method) + assert img.disposal_method == method + # Check per frame disposal + im_list[0].save( + out, + save_all=True, + append_images=im_list[1:], + disposal=tuple(range(len(im_list))), + ) - # check per frame disposal - im_list[0].save( - out, - save_all=True, - append_images=im_list[1:], - disposal=tuple(range(len(im_list))) - ) - - img = Image.open(out) + with Image.open(out) as img: for i in range(2): img.seek(img.tell() + 1) - self.assertEqual(img.disposal_method, i+1) + assert img.disposal_method == i + 1 + + +def test_dispose2_palette(tmp_path): + out = str(tmp_path / "temp.gif") + + # Four colors: white, grey, black, red + circles = [(255, 255, 255), (153, 153, 153), (0, 0, 0), (255, 0, 0)] + + im_list = [] + for circle in circles: + # Red background + img = Image.new("RGB", (100, 100), (255, 0, 0)) + + # Circle in center of each frame + d = ImageDraw.Draw(img) + d.ellipse([(40, 40), (60, 60)], fill=circle) + + im_list.append(img) + + im_list[0].save(out, save_all=True, append_images=im_list[1:], disposal=2) + + with Image.open(out) as img: + for i, circle in enumerate(circles): + img.seek(i) + rgb_img = img.convert("RGB") + + # Check top left pixel matches background + assert rgb_img.getpixel((0, 0)) == (255, 0, 0) + + # Center remains red every frame + assert rgb_img.getpixel((50, 50)) == circle + + +def test_dispose2_diff(tmp_path): + out = str(tmp_path / "temp.gif") + + # 4 frames: red/blue, red/red, blue/blue, red/blue + circles = [ + ((255, 0, 0, 255), (0, 0, 255, 255)), + ((255, 0, 0, 255), (255, 0, 0, 255)), + ((0, 0, 255, 255), (0, 0, 255, 255)), + ((255, 0, 0, 255), (0, 0, 255, 255)), + ] + + im_list = [] + for i in range(len(circles)): + # Transparent BG + img = Image.new("RGBA", (100, 100), (255, 255, 255, 0)) + + # Two circles per frame + d = ImageDraw.Draw(img) + d.ellipse([(0, 30), (40, 70)], fill=circles[i][0]) + d.ellipse([(60, 30), (100, 70)], fill=circles[i][1]) + + im_list.append(img) + + im_list[0].save( + out, save_all=True, append_images=im_list[1:], disposal=2, transparency=0 + ) - def test_iss634(self): - img = Image.open("Tests/images/iss634.gif") - # seek to the second frame + with Image.open(out) as img: + for i, colours in enumerate(circles): + img.seek(i) + rgb_img = img.convert("RGBA") + + # Check left circle is correct colour + assert rgb_img.getpixel((20, 50)) == colours[0] + + # Check right circle is correct colour + assert rgb_img.getpixel((80, 50)) == colours[1] + + # Check BG is correct colour + assert rgb_img.getpixel((1, 1)) == (255, 255, 255, 0) + + +def test_dispose2_background(tmp_path): + out = str(tmp_path / "temp.gif") + + im_list = [] + + im = Image.new("P", (100, 100)) + d = ImageDraw.Draw(im) + d.rectangle([(50, 0), (100, 100)], fill="#f00") + d.rectangle([(0, 0), (50, 100)], fill="#0f0") + im_list.append(im) + + im = Image.new("P", (100, 100)) + d = ImageDraw.Draw(im) + d.rectangle([(0, 0), (100, 50)], fill="#f00") + d.rectangle([(0, 50), (100, 100)], fill="#0f0") + im_list.append(im) + + im_list[0].save( + out, save_all=True, append_images=im_list[1:], disposal=[0, 2], background=1 + ) + + with Image.open(out) as im: + im.seek(1) + assert im.getpixel((0, 0)) == (255, 0, 0) + + +def test_transparency_in_second_frame(): + with Image.open("Tests/images/different_transparency.gif") as im: + assert im.info["transparency"] == 0 + + # Seek to the second frame + im.seek(im.tell() + 1) + assert "transparency" not in im.info + + assert_image_equal_tofile(im, "Tests/images/different_transparency_merged.png") + + +def test_no_transparency_in_second_frame(): + with Image.open("Tests/images/iss634.gif") as img: + # Seek to the second frame img.seek(img.tell() + 1) - # all transparent pixels should be replaced with the color from the - # first frame - self.assertEqual(img.histogram()[img.info['transparency']], 0) + assert "transparency" not in img.info - def test_duration(self): - duration = 1000 + # All transparent pixels should be replaced with the color from the first frame + assert img.histogram()[255] == 0 - out = self.tempfile('temp.gif') - im = Image.new('L', (100, 100), '#000') - im.save(out, duration=duration) - reread = Image.open(out) - self.assertEqual(reread.info['duration'], duration) +def test_duration(tmp_path): + duration = 1000 - def test_multiple_duration(self): - duration_list = [1000, 2000, 3000] + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") - out = self.tempfile('temp.gif') - im_list = [ - Image.new('L', (100, 100), '#000'), - Image.new('L', (100, 100), '#111'), - Image.new('L', (100, 100), '#222') - ] + # Check that the argument has priority over the info settings + im.info["duration"] = 100 + im.save(out, duration=duration) - # duration as list - im_list[0].save( - out, - save_all=True, - append_images=im_list[1:], - duration=duration_list - ) - reread = Image.open(out) + with Image.open(out) as reread: + assert reread.info["duration"] == duration + + +def test_multiple_duration(tmp_path): + duration_list = [1000, 2000, 3000] + + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#111"), + Image.new("L", (100, 100), "#222"), + ] + + # Duration as list + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=duration_list + ) + with Image.open(out) as reread: for duration in duration_list: - self.assertEqual(reread.info['duration'], duration) + assert reread.info["duration"] == duration try: reread.seek(reread.tell() + 1) except EOFError: pass - # duration as tuple - im_list[0].save( - out, - save_all=True, - append_images=im_list[1:], - duration=tuple(duration_list) - ) - reread = Image.open(out) + # Duration as tuple + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=tuple(duration_list) + ) + with Image.open(out) as reread: for duration in duration_list: - self.assertEqual(reread.info['duration'], duration) + assert reread.info["duration"] == duration try: reread.seek(reread.tell() + 1) except EOFError: pass - def test_identical_frames(self): - duration_list = [1000, 1500, 2000, 4000] - out = self.tempfile('temp.gif') +def test_identical_frames(tmp_path): + duration_list = [1000, 1500, 2000, 4000] + + out = str(tmp_path / "temp.gif") + im_list = [ + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#111"), + ] + + # Duration as list + im_list[0].save( + out, save_all=True, append_images=im_list[1:], duration=duration_list + ) + with Image.open(out) as reread: + + # Assert that the first three frames were combined + assert reread.n_frames == 2 + + # Assert that the new duration is the total of the identical frames + assert reread.info["duration"] == 4500 + + +def test_identical_frames_to_single_frame(tmp_path): + for duration in ([1000, 1500, 2000, 4000], (1000, 1500, 2000, 4000), 8500): + out = str(tmp_path / "temp.gif") im_list = [ - Image.new('L', (100, 100), '#000'), - Image.new('L', (100, 100), '#000'), - Image.new('L', (100, 100), '#000'), - Image.new('L', (100, 100), '#111') + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), + Image.new("L", (100, 100), "#000"), ] - # duration as list im_list[0].save( - out, - save_all=True, - append_images=im_list[1:], - duration=duration_list + out, save_all=True, append_images=im_list[1:], duration=duration ) - reread = Image.open(out) + with Image.open(out) as reread: + # Assert that all frames were combined + assert reread.n_frames == 1 - # Assert that the first three frames were combined - self.assertEqual(reread.n_frames, 2) + # Assert that the new duration is the total of the identical frames + assert reread.info["duration"] == 8500 - # Assert that the new duration is the total of the identical frames - self.assertEqual(reread.info['duration'], 4500) - def test_number_of_loops(self): - number_of_loops = 2 +def test_number_of_loops(tmp_path): + number_of_loops = 2 - out = self.tempfile('temp.gif') - im = Image.new('L', (100, 100), '#000') - im.save(out, loop=number_of_loops) - reread = Image.open(out) + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + im.save(out, loop=number_of_loops) + with Image.open(out) as reread: - self.assertEqual(reread.info['loop'], number_of_loops) + assert reread.info["loop"] == number_of_loops - def test_background(self): - out = self.tempfile('temp.gif') - im = Image.new('L', (100, 100), '#000') - im.info['background'] = 1 - im.save(out) - reread = Image.open(out) - self.assertEqual(reread.info['background'], im.info['background']) +def test_background(tmp_path): + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + im.info["background"] = 1 + im.save(out) + with Image.open(out) as reread: - def test_comment(self): - im = Image.open(TEST_GIF) - self.assertEqual(im.info['comment'], b"File written by Adobe Photoshop\xa8 4.0") + assert reread.info["background"] == im.info["background"] - out = self.tempfile('temp.gif') - im = Image.new('L', (100, 100), '#000') - im.info['comment'] = b"Test comment text" - im.save(out) - reread = Image.open(out) + if features.check("webp") and features.check("webp_anim"): + with Image.open("Tests/images/hopper.webp") as im: + assert isinstance(im.info["background"], tuple) + im.save(out) - self.assertEqual(reread.info['comment'], im.info['comment']) - def test_version(self): - out = self.tempfile('temp.gif') +def test_comment(tmp_path): + with Image.open(TEST_GIF) as im: + assert im.info["comment"] == b"File written by Adobe Photoshop\xa8 4.0" - def assertVersionAfterSave(im, version): - im.save(out) - reread = Image.open(out) - self.assertEqual(reread.info["version"], version) + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + im.info["comment"] = b"Test comment text" + im.save(out) + with Image.open(out) as reread: + assert reread.info["comment"] == im.info["comment"] - # Test that GIF87a is used by default - im = Image.new('L', (100, 100), '#000') - assertVersionAfterSave(im, b"GIF87a") + im.info["comment"] = "Test comment text" + im.save(out) + with Image.open(out) as reread: + assert reread.info["comment"] == im.info["comment"].encode() + + +def test_comment_over_255(tmp_path): + out = str(tmp_path / "temp.gif") + im = Image.new("L", (100, 100), "#000") + comment = b"Test comment text" + while len(comment) < 256: + comment += comment + im.info["comment"] = comment + im.save(out) + with Image.open(out) as reread: + + assert reread.info["comment"] == comment - # Test setting the version to 89a - im = Image.new('L', (100, 100), '#000') - im.info["version"] = b"89a" - assertVersionAfterSave(im, b"GIF89a") - # Test that adding a GIF89a feature changes the version - im.info["transparency"] = 1 - assertVersionAfterSave(im, b"GIF89a") +def test_zero_comment_subblocks(): + with Image.open("Tests/images/hopper_zero_comment_subblocks.gif") as im: + assert_image_equal_tofile(im, TEST_GIF) - # Test that a GIF87a image is also saved in that format - im = Image.open("Tests/images/test.colors.gif") + +def test_version(tmp_path): + out = str(tmp_path / "temp.gif") + + def assertVersionAfterSave(im, version): + im.save(out) + with Image.open(out) as reread: + assert reread.info["version"] == version + + # Test that GIF87a is used by default + im = Image.new("L", (100, 100), "#000") + assertVersionAfterSave(im, b"GIF87a") + + # Test setting the version to 89a + im = Image.new("L", (100, 100), "#000") + im.info["version"] = b"89a" + assertVersionAfterSave(im, b"GIF89a") + + # Test that adding a GIF89a feature changes the version + im.info["transparency"] = 1 + assertVersionAfterSave(im, b"GIF89a") + + # Test that a GIF87a image is also saved in that format + with Image.open("Tests/images/test.colors.gif") as im: assertVersionAfterSave(im, b"GIF87a") # Test that a GIF89a image is also saved in that format im.info["version"] = b"GIF89a" assertVersionAfterSave(im, b"GIF87a") - def test_append_images(self): - out = self.tempfile('temp.gif') - # Test appending single frame images - im = Image.new('RGB', (100, 100), '#f00') - ims = [Image.new('RGB', (100, 100), color) for color - in ['#0f0', '#00f']] - im.copy().save(out, save_all=True, append_images=ims) +def test_append_images(tmp_path): + out = str(tmp_path / "temp.gif") - reread = Image.open(out) - self.assertEqual(reread.n_frames, 3) + # Test appending single frame images + im = Image.new("RGB", (100, 100), "#f00") + ims = [Image.new("RGB", (100, 100), color) for color in ["#0f0", "#00f"]] + im.copy().save(out, save_all=True, append_images=ims) - # Tests appending using a generator - def imGenerator(ims): - for im in ims: - yield im - im.save(out, save_all=True, append_images=imGenerator(ims)) + with Image.open(out) as reread: + assert reread.n_frames == 3 - reread = Image.open(out) - self.assertEqual(reread.n_frames, 3) + # Tests appending using a generator + def imGenerator(ims): + yield from ims - # Tests appending single and multiple frame images - im = Image.open("Tests/images/dispose_none.gif") - ims = [Image.open("Tests/images/dispose_prev.gif")] - im.save(out, save_all=True, append_images=ims) + im.save(out, save_all=True, append_images=imGenerator(ims)) - reread = Image.open(out) - self.assertEqual(reread.n_frames, 10) + with Image.open(out) as reread: + assert reread.n_frames == 3 - def test_transparent_optimize(self): - # from issue #2195, if the transparent color is incorrectly - # optimized out, gif loses transparency - # Need a palette that isn't using the 0 color, and one - # that's > 128 items where the transparent color is actually - # the top palette entry to trigger the bug. + # Tests appending single and multiple frame images + with Image.open("Tests/images/dispose_none.gif") as im: + with Image.open("Tests/images/dispose_prev.gif") as im2: + im.save(out, save_all=True, append_images=[im2]) - from PIL import ImagePalette + with Image.open(out) as reread: + assert reread.n_frames == 10 - data = bytes(bytearray(range(1, 254))) - palette = ImagePalette.ImagePalette("RGB", list(range(256))*3) - im = Image.new('L', (253, 1)) - im.frombytes(data) - im.putpalette(palette) +def test_transparent_optimize(tmp_path): + # From issue #2195, if the transparent color is incorrectly optimized out, GIF loses + # transparency. + # Need a palette that isn't using the 0 color, and one that's > 128 items where the + # transparent color is actually the top palette entry to trigger the bug. - out = self.tempfile('temp.gif') - im.save(out, transparency=253) - reloaded = Image.open(out) + data = bytes(range(1, 254)) + palette = ImagePalette.ImagePalette("RGB", list(range(256)) * 3) - self.assertEqual(reloaded.info['transparency'], 253) + im = Image.new("L", (253, 1)) + im.frombytes(data) + im.putpalette(palette) - def test_bbox(self): - out = self.tempfile('temp.gif') + out = str(tmp_path / "temp.gif") + im.save(out, transparency=253) + with Image.open(out) as reloaded: - im = Image.new('RGB', (100, 100), '#fff') - ims = [Image.new("RGB", (100, 100), '#000')] - im.save(out, save_all=True, append_images=ims) + assert reloaded.info["transparency"] == 253 - reread = Image.open(out) - self.assertEqual(reread.n_frames, 2) - def test_palette_save_L(self): - # generate an L mode image with a separate palette +def test_rgb_transparency(tmp_path): + out = str(tmp_path / "temp.gif") - im = hopper('P') - im_l = Image.frombytes('L', im.size, im.tobytes()) - palette = bytes(bytearray(im.getpalette())) + # Single frame + im = Image.new("RGB", (1, 1)) + im.info["transparency"] = (255, 0, 0) + im.save(out) - out = self.tempfile('temp.gif') - im_l.save(out, palette=palette) + with Image.open(out) as reloaded: + assert "transparency" in reloaded.info - reloaded = Image.open(out) + # Multiple frames + im = Image.new("RGB", (1, 1)) + im.info["transparency"] = b"" + ims = [Image.new("RGB", (1, 1))] + pytest.warns(UserWarning, im.save, out, save_all=True, append_images=ims) - self.assert_image_equal(reloaded.convert('RGB'), im.convert('RGB')) + with Image.open(out) as reloaded: + assert "transparency" not in reloaded.info - def test_palette_save_P(self): - # pass in a different palette, then construct what the image - # would look like. - # Forcing a non-straight grayscale palette. - im = hopper('P') - palette = bytes(bytearray([255-i//3 for i in range(768)])) +def test_bbox(tmp_path): + out = str(tmp_path / "temp.gif") - out = self.tempfile('temp.gif') - im.save(out, palette=palette) + im = Image.new("RGB", (100, 100), "#fff") + ims = [Image.new("RGB", (100, 100), "#000")] + im.save(out, save_all=True, append_images=ims) - reloaded = Image.open(out) + with Image.open(out) as reread: + assert reread.n_frames == 2 + + +def test_palette_save_L(tmp_path): + # Generate an L mode image with a separate palette + + im = hopper("P") + im_l = Image.frombytes("L", im.size, im.tobytes()) + palette = bytes(im.getpalette()) + + out = str(tmp_path / "temp.gif") + im_l.save(out, palette=palette) + + with Image.open(out) as reloaded: + assert_image_equal(reloaded.convert("RGB"), im.convert("RGB")) + + +def test_palette_save_P(tmp_path): + # Pass in a different palette, then construct what the image would look like. + # Forcing a non-straight grayscale palette. + + im = hopper("P") + palette = bytes(255 - i // 3 for i in range(768)) + + out = str(tmp_path / "temp.gif") + im.save(out, palette=palette) + + with Image.open(out) as reloaded: im.putpalette(palette) - self.assert_image_equal(reloaded, im) + assert_image_equal(reloaded, im) - def test_palette_save_ImagePalette(self): - # pass in a different palette, as an ImagePalette.ImagePalette - # effectively the same as test_palette_save_P - im = hopper('P') - palette = ImagePalette.ImagePalette('RGB', list(range(256))[::-1]*3) +def test_palette_save_all_P(tmp_path): + frames = [] + colors = ((255, 0, 0), (0, 255, 0)) + for color in colors: + frame = Image.new("P", (100, 100)) + frame.putpalette(color) + frames.append(frame) - out = self.tempfile('temp.gif') - im.save(out, palette=palette) + out = str(tmp_path / "temp.gif") + frames[0].save( + out, save_all=True, palette=[255, 0, 0, 0, 255, 0], append_images=frames[1:] + ) - reloaded = Image.open(out) + with Image.open(out) as im: + # Assert that the frames are correct, and each frame has the same palette + assert_image_equal(im.convert("RGB"), frames[0].convert("RGB")) + assert im.palette.palette == im.global_palette.palette + + im.seek(1) + assert_image_equal(im.convert("RGB"), frames[1].convert("RGB")) + assert im.palette.palette == im.global_palette.palette + + +def test_palette_save_ImagePalette(tmp_path): + # Pass in a different palette, as an ImagePalette.ImagePalette + # effectively the same as test_palette_save_P + + im = hopper("P") + palette = ImagePalette.ImagePalette("RGB", list(range(256))[::-1] * 3) + + out = str(tmp_path / "temp.gif") + im.save(out, palette=palette) + + with Image.open(out) as reloaded: im.putpalette(palette) - self.assert_image_equal(reloaded, im) + assert_image_equal(reloaded.convert("RGB"), im.convert("RGB")) - def test_save_I(self): - # Test saving something that would trigger the auto-convert to 'L' - im = hopper('I') +def test_save_I(tmp_path): + # Test saving something that would trigger the auto-convert to 'L' - out = self.tempfile('temp.gif') - im.save(out) + im = hopper("I") - reloaded = Image.open(out) - self.assert_image_equal(reloaded.convert('L'), im.convert('L')) + out = str(tmp_path / "temp.gif") + im.save(out) - def test_getdata(self): - # test getheader/getdata against legacy values - # Create a 'P' image with holes in the palette - im = Image._wedge().resize((16, 16)) - im.putpalette(ImagePalette.ImagePalette('RGB')) - im.info = {'background': 0} + with Image.open(out) as reloaded: + assert_image_equal(reloaded.convert("L"), im.convert("L")) - passed_palette = bytes(bytearray([255-i//3 for i in range(768)])) - GifImagePlugin._FORCE_OPTIMIZE = True - try: - h = GifImagePlugin.getheader(im, passed_palette) - d = GifImagePlugin.getdata(im) - - import pickle - # Enable to get target values on pre-refactor version - # with open('Tests/images/gif_header_data.pkl', 'wb') as f: - # pickle.dump((h, d), f, 1) - with open('Tests/images/gif_header_data.pkl', 'rb') as f: - (h_target, d_target) = pickle.load(f) - - self.assertEqual(h, h_target) - self.assertEqual(d, d_target) - finally: - GifImagePlugin._FORCE_OPTIMIZE = False - - def test_lzw_bits(self): - # see https://github.com/python-pillow/Pillow/issues/2811 - im = Image.open('Tests/images/issue_2811.gif') - - self.assertEqual(im.tile[0][3][0], 11) # LZW bits +def test_getdata(): + # Test getheader/getdata against legacy values. + # Create a 'P' image with holes in the palette. + im = Image._wedge().resize((16, 16), Image.NEAREST) + im.putpalette(ImagePalette.ImagePalette("RGB")) + im.info = {"background": 0} + + passed_palette = bytes(255 - i // 3 for i in range(768)) + + GifImagePlugin._FORCE_OPTIMIZE = True + try: + h = GifImagePlugin.getheader(im, passed_palette) + d = GifImagePlugin.getdata(im) + + import pickle + + # Enable to get target values on pre-refactor version + # with open('Tests/images/gif_header_data.pkl', 'wb') as f: + # pickle.dump((h, d), f, 1) + with open("Tests/images/gif_header_data.pkl", "rb") as f: + (h_target, d_target) = pickle.load(f) + + assert h == h_target + assert d == d_target + finally: + GifImagePlugin._FORCE_OPTIMIZE = False + + +def test_lzw_bits(): + # see https://github.com/python-pillow/Pillow/issues/2811 + with Image.open("Tests/images/issue_2811.gif") as im: + assert im.tile[0][3][0] == 11 # LZW bits # codec error prepatch im.load() -if __name__ == '__main__': - unittest.main() + +def test_extents(): + with Image.open("Tests/images/test_extents.gif") as im: + assert im.size == (100, 100) + im.seek(1) + assert im.size == (150, 150) + + +def test_missing_background(): + # The Global Color Table Flag isn't set, so there is no background color index, + # but the disposal method is "Restore to background color" + with Image.open("Tests/images/missing_background.gif") as im: + im.seek(1) + assert_image_equal_tofile(im, "Tests/images/missing_background_first_frame.png") + + +def test_saving_rgba(tmp_path): + out = str(tmp_path / "temp.gif") + with Image.open("Tests/images/transparent.png") as im: + im.save(out) + + with Image.open(out) as reloaded: + reloaded_rgba = reloaded.convert("RGBA") + assert reloaded_rgba.load()[0, 0][3] == 0 diff --git a/Tests/test_file_gimpgradient.py b/Tests/test_file_gimpgradient.py index b29f6f13b0a..3f056fdae1d 100644 --- a/Tests/test_file_gimpgradient.py +++ b/Tests/test_file_gimpgradient.py @@ -1,125 +1,124 @@ -from helper import unittest, PillowTestCase +from PIL import GimpGradientFile, ImagePalette -from PIL import GimpGradientFile +def test_linear_pos_le_middle(): + # Arrange + middle = 0.5 + pos = 0.25 -class TestImage(PillowTestCase): + # Act + ret = GimpGradientFile.linear(middle, pos) - def test_linear_pos_le_middle(self): - # Arrange - middle = 0.5 - pos = 0.25 + # Assert + assert ret == 0.25 - # Act - ret = GimpGradientFile.linear(middle, pos) - # Assert - self.assertEqual(ret, 0.25) +def test_linear_pos_le_small_middle(): + # Arrange + middle = 1e-11 + pos = 1e-12 - def test_linear_pos_le_small_middle(self): - # Arrange - middle = 1e-11 - pos = 1e-12 + # Act + ret = GimpGradientFile.linear(middle, pos) - # Act - ret = GimpGradientFile.linear(middle, pos) + # Assert + assert ret == 0.0 - # Assert - self.assertEqual(ret, 0.0) - def test_linear_pos_gt_middle(self): - # Arrange - middle = 0.5 - pos = 0.75 +def test_linear_pos_gt_middle(): + # Arrange + middle = 0.5 + pos = 0.75 - # Act - ret = GimpGradientFile.linear(middle, pos) + # Act + ret = GimpGradientFile.linear(middle, pos) - # Assert - self.assertEqual(ret, 0.75) + # Assert + assert ret == 0.75 - def test_linear_pos_gt_small_middle(self): - # Arrange - middle = 1 - 1e-11 - pos = 1 - 1e-12 - # Act - ret = GimpGradientFile.linear(middle, pos) +def test_linear_pos_gt_small_middle(): + # Arrange + middle = 1 - 1e-11 + pos = 1 - 1e-12 - # Assert - self.assertEqual(ret, 1.0) + # Act + ret = GimpGradientFile.linear(middle, pos) - def test_curved(self): - # Arrange - middle = 0.5 - pos = 0.75 + # Assert + assert ret == 1.0 - # Act - ret = GimpGradientFile.curved(middle, pos) - # Assert - self.assertEqual(ret, 0.75) +def test_curved(): + # Arrange + middle = 0.5 + pos = 0.75 - def test_sine(self): - # Arrange - middle = 0.5 - pos = 0.75 + # Act + ret = GimpGradientFile.curved(middle, pos) - # Act - ret = GimpGradientFile.sine(middle, pos) + # Assert + assert ret == 0.75 - # Assert - self.assertEqual(ret, 0.8535533905932737) - def test_sphere_increasing(self): - # Arrange - middle = 0.5 - pos = 0.75 +def test_sine(): + # Arrange + middle = 0.5 + pos = 0.75 - # Act - ret = GimpGradientFile.sphere_increasing(middle, pos) + # Act + ret = GimpGradientFile.sine(middle, pos) - # Assert - self.assertAlmostEqual(ret, 0.9682458365518543) + # Assert + assert ret == 0.8535533905932737 - def test_sphere_decreasing(self): - # Arrange - middle = 0.5 - pos = 0.75 - # Act - ret = GimpGradientFile.sphere_decreasing(middle, pos) +def test_sphere_increasing(): + # Arrange + middle = 0.5 + pos = 0.75 - # Assert - self.assertEqual(ret, 0.3385621722338523) + # Act + ret = GimpGradientFile.sphere_increasing(middle, pos) - def test_load_via_imagepalette(self): - # Arrange - from PIL import ImagePalette - test_file = "Tests/images/gimp_gradient.ggr" + # Assert + assert round(abs(ret - 0.9682458365518543), 7) == 0 - # Act - palette = ImagePalette.load(test_file) - # Assert - # load returns raw palette information - self.assertEqual(len(palette[0]), 1024) - self.assertEqual(palette[1], "RGBA") +def test_sphere_decreasing(): + # Arrange + middle = 0.5 + pos = 0.75 - def test_load_1_3_via_imagepalette(self): - # Arrange - from PIL import ImagePalette - # GIMP 1.3 gradient files contain a name field - test_file = "Tests/images/gimp_gradient_with_name.ggr" + # Act + ret = GimpGradientFile.sphere_decreasing(middle, pos) - # Act - palette = ImagePalette.load(test_file) + # Assert + assert ret == 0.3385621722338523 - # Assert - # load returns raw palette information - self.assertEqual(len(palette[0]), 1024) - self.assertEqual(palette[1], "RGBA") +def test_load_via_imagepalette(): + # Arrange + test_file = "Tests/images/gimp_gradient.ggr" -if __name__ == '__main__': - unittest.main() + # Act + palette = ImagePalette.load(test_file) + + # Assert + # load returns raw palette information + assert len(palette[0]) == 1024 + assert palette[1] == "RGBA" + + +def test_load_1_3_via_imagepalette(): + # Arrange + # GIMP 1.3 gradient files contain a name field + test_file = "Tests/images/gimp_gradient_with_name.ggr" + + # Act + palette = ImagePalette.load(test_file) + + # Assert + # load returns raw palette information + assert len(palette[0]) == 1024 + assert palette[1] == "RGBA" diff --git a/Tests/test_file_gimppalette.py b/Tests/test_file_gimppalette.py index 4ee5323bc4b..caec9cf2115 100644 --- a/Tests/test_file_gimppalette.py +++ b/Tests/test_file_gimppalette.py @@ -1,34 +1,32 @@ -from helper import unittest, PillowTestCase +import pytest from PIL.GimpPaletteFile import GimpPaletteFile -class TestImage(PillowTestCase): +def test_sanity(): + with open("Tests/images/test.gpl", "rb") as fp: + GimpPaletteFile(fp) - def test_sanity(self): - with open('Tests/images/test.gpl', 'rb') as fp: + with open("Tests/images/hopper.jpg", "rb") as fp: + with pytest.raises(SyntaxError): GimpPaletteFile(fp) - with open('Tests/images/hopper.jpg', 'rb') as fp: - self.assertRaises(SyntaxError, GimpPaletteFile, fp) - - with open('Tests/images/bad_palette_file.gpl', 'rb') as fp: - self.assertRaises(SyntaxError, GimpPaletteFile, fp) - - with open('Tests/images/bad_palette_entry.gpl', 'rb') as fp: - self.assertRaises(ValueError, GimpPaletteFile, fp) + with open("Tests/images/bad_palette_file.gpl", "rb") as fp: + with pytest.raises(SyntaxError): + GimpPaletteFile(fp) - def test_get_palette(self): - # Arrange - with open('Tests/images/custom_gimp_palette.gpl', 'rb') as fp: - palette_file = GimpPaletteFile(fp) + with open("Tests/images/bad_palette_entry.gpl", "rb") as fp: + with pytest.raises(ValueError): + GimpPaletteFile(fp) - # Act - palette, mode = palette_file.getpalette() - # Assert - self.assertEqual(mode, "RGB") +def test_get_palette(): + # Arrange + with open("Tests/images/custom_gimp_palette.gpl", "rb") as fp: + palette_file = GimpPaletteFile(fp) + # Act + palette, mode = palette_file.getpalette() -if __name__ == '__main__': - unittest.main() + # Assert + assert mode == "RGB" diff --git a/Tests/test_file_gribstub.py b/Tests/test_file_gribstub.py index b3a6f1a5a4b..e4930d8dc2e 100644 --- a/Tests/test_file_gribstub.py +++ b/Tests/test_file_gribstub.py @@ -1,46 +1,47 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import GribStubImagePlugin, Image -TEST_FILE = "Tests/images/WAlaska.wind.7days.grb" +from .helper import hopper +TEST_FILE = "Tests/images/WAlaska.wind.7days.grb" -class TestFileGribStub(PillowTestCase): - def test_open(self): - # Act - im = Image.open(TEST_FILE) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.format, "GRIB") + assert im.format == "GRIB" # Dummy data from the stub - self.assertEqual(im.mode, "F") - self.assertEqual(im.size, (1, 1)) + assert im.mode == "F" + assert im.size == (1, 1) - def test_invalid_file(self): - # Arrange - invalid_file = "Tests/images/flower.jpg" - # Act / Assert - self.assertRaises(SyntaxError, - GribStubImagePlugin.GribStubImageFile, invalid_file) +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" - def test_load(self): - # Arrange - im = Image.open(TEST_FILE) + # Act / Assert + with pytest.raises(SyntaxError): + GribStubImagePlugin.GribStubImageFile(invalid_file) - # Act / Assert: stub cannot load without an implemented handler - self.assertRaises(IOError, im.load) - def test_save(self): - # Arrange - im = hopper() - tmpfile = self.tempfile("temp.grib") +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: + + # Act / Assert: stub cannot load without an implemented handler + with pytest.raises(OSError): + im.load() - # Act / Assert: stub cannot save without an implemented handler - self.assertRaises(IOError, im.save, tmpfile) +def test_save(tmp_path): + # Arrange + im = hopper() + tmpfile = str(tmp_path / "temp.grib") -if __name__ == '__main__': - unittest.main() + # Act / Assert: stub cannot save without an implemented handler + with pytest.raises(OSError): + im.save(tmpfile) diff --git a/Tests/test_file_hdf5stub.py b/Tests/test_file_hdf5stub.py index 6cddd8d7bed..ff339705522 100644 --- a/Tests/test_file_hdf5stub.py +++ b/Tests/test_file_hdf5stub.py @@ -1,50 +1,48 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Hdf5StubImagePlugin, Image TEST_FILE = "Tests/images/hdf5.h5" -class TestFileHdf5Stub(PillowTestCase): - - def test_open(self): - # Act - im = Image.open(TEST_FILE) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.format, "HDF5") + assert im.format == "HDF5" # Dummy data from the stub - self.assertEqual(im.mode, "F") - self.assertEqual(im.size, (1, 1)) + assert im.mode == "F" + assert im.size == (1, 1) + + +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" - def test_invalid_file(self): - # Arrange - invalid_file = "Tests/images/flower.jpg" + # Act / Assert + with pytest.raises(SyntaxError): + Hdf5StubImagePlugin.HDF5StubImageFile(invalid_file) - # Act / Assert - self.assertRaises(SyntaxError, - Hdf5StubImagePlugin.HDF5StubImageFile, invalid_file) - def test_load(self): - # Arrange - im = Image.open(TEST_FILE) +def test_load(): + # Arrange + with Image.open(TEST_FILE) as im: # Act / Assert: stub cannot load without an implemented handler - self.assertRaises(IOError, im.load) + with pytest.raises(OSError): + im.load() - def test_save(self): - # Arrange - im = Image.open(TEST_FILE) + +def test_save(): + # Arrange + with Image.open(TEST_FILE) as im: dummy_fp = None dummy_filename = "dummy.filename" # Act / Assert: stub cannot save without an implemented handler - self.assertRaises(IOError, im.save, dummy_filename) - self.assertRaises( - IOError, - Hdf5StubImagePlugin._save, im, dummy_fp, dummy_filename) - - -if __name__ == '__main__': - unittest.main() + with pytest.raises(OSError): + im.save(dummy_filename) + with pytest.raises(OSError): + Hdf5StubImagePlugin._save(im, dummy_fp, dummy_filename) diff --git a/Tests/test_file_icns.py b/Tests/test_file_icns.py index d8508e57917..3afbbeaac05 100644 --- a/Tests/test_file_icns.py +++ b/Tests/test_file_icns.py @@ -1,105 +1,152 @@ -from helper import unittest, PillowTestCase +import io +import os -from PIL import Image, IcnsImagePlugin +import pytest -import io -import sys +from PIL import IcnsImagePlugin, Image, _binary, features + +from .helper import assert_image_equal, assert_image_similar_tofile # sample icon file TEST_FILE = "Tests/images/pillow.icns" -enable_jpeg2k = hasattr(Image.core, 'jp2klib_version') +ENABLE_JPEG2K = features.check_codec("jpg_2000") -class TestFileIcns(PillowTestCase): +def test_sanity(): + # Loading this icon by default should result in the largest size + # (512x512@2x) being loaded + with Image.open(TEST_FILE) as im: - def test_sanity(self): - # Loading this icon by default should result in the largest size - # (512x512@2x) being loaded - im = Image.open(TEST_FILE) - im.load() - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (1024, 1024)) - self.assertEqual(im.format, "ICNS") + # Assert that there is no unclosed file warning + with pytest.warns(None) as record: + im.load() + assert not record - @unittest.skipIf(sys.platform != 'darwin', - "requires MacOS") - def test_save(self): - im = Image.open(TEST_FILE) + assert im.mode == "RGBA" + assert im.size == (1024, 1024) + assert im.format == "ICNS" - temp_file = self.tempfile("temp.icns") + +def test_save(tmp_path): + temp_file = str(tmp_path / "temp.icns") + + with Image.open(TEST_FILE) as im: im.save(temp_file) - reread = Image.open(temp_file) + with Image.open(temp_file) as reread: + assert reread.mode == "RGBA" + assert reread.size == (1024, 1024) + assert reread.format == "ICNS" + + file_length = os.path.getsize(temp_file) + with open(temp_file, "rb") as fp: + fp.seek(4) + assert _binary.i32be(fp.read(4)) == file_length + + +def test_save_append_images(tmp_path): + temp_file = str(tmp_path / "temp.icns") + provided_im = Image.new("RGBA", (32, 32), (255, 0, 0, 128)) + + with Image.open(TEST_FILE) as im: + im.save(temp_file, append_images=[provided_im]) + + assert_image_similar_tofile(im, temp_file, 1) + + with Image.open(temp_file) as reread: + reread.size = (16, 16, 2) + reread.load() + assert_image_equal(reread, provided_im) - self.assertEqual(reread.mode, "RGBA") - self.assertEqual(reread.size, (1024, 1024)) - self.assertEqual(reread.format, "ICNS") - def test_sizes(self): - # Check that we can load all of the sizes, and that the final pixel - # dimensions are as expected - im = Image.open(TEST_FILE) - for w, h, r in im.info['sizes']: +def test_save_fp(): + fp = io.BytesIO() + + with Image.open(TEST_FILE) as im: + im.save(fp, format="ICNS") + + with Image.open(fp) as reread: + assert reread.mode == "RGBA" + assert reread.size == (1024, 1024) + assert reread.format == "ICNS" + + +def test_sizes(): + # Check that we can load all of the sizes, and that the final pixel + # dimensions are as expected + with Image.open(TEST_FILE) as im: + for w, h, r in im.info["sizes"]: wr = w * r hr = h * r - im2 = Image.open(TEST_FILE) - im2.size = (w, h, r) - im2.load() - self.assertEqual(im2.mode, 'RGBA') - self.assertEqual(im2.size, (wr, hr)) - - def test_older_icon(self): - # This icon was made with Icon Composer rather than iconutil; it still - # uses PNG rather than JP2, however (since it was made on 10.9). - im = Image.open('Tests/images/pillow2.icns') - for w, h, r in im.info['sizes']: + im.size = (w, h, r) + im.load() + assert im.mode == "RGBA" + assert im.size == (wr, hr) + + # Check that we cannot load an incorrect size + with pytest.raises(ValueError): + im.size = (1, 1) + + +def test_older_icon(): + # This icon was made with Icon Composer rather than iconutil; it still + # uses PNG rather than JP2, however (since it was made on 10.9). + with Image.open("Tests/images/pillow2.icns") as im: + for w, h, r in im.info["sizes"]: wr = w * r hr = h * r - im2 = Image.open('Tests/images/pillow2.icns') - im2.size = (w, h, r) - im2.load() - self.assertEqual(im2.mode, 'RGBA') - self.assertEqual(im2.size, (wr, hr)) + with Image.open("Tests/images/pillow2.icns") as im2: + im2.size = (w, h, r) + im2.load() + assert im2.mode == "RGBA" + assert im2.size == (wr, hr) + - def test_jp2_icon(self): - # This icon was made by using Uli Kusterer's oldiconutil to replace - # the PNG images with JPEG 2000 ones. The advantage of doing this is - # that OS X 10.5 supports JPEG 2000 but not PNG; some commercial - # software therefore does just this. +def test_jp2_icon(): + # This icon was made by using Uli Kusterer's oldiconutil to replace + # the PNG images with JPEG 2000 ones. The advantage of doing this is + # that OS X 10.5 supports JPEG 2000 but not PNG; some commercial + # software therefore does just this. - # (oldiconutil is here: https://github.com/uliwitness/oldiconutil) + # (oldiconutil is here: https://github.com/uliwitness/oldiconutil) - if not enable_jpeg2k: - return + if not ENABLE_JPEG2K: + return - im = Image.open('Tests/images/pillow3.icns') - for w, h, r in im.info['sizes']: + with Image.open("Tests/images/pillow3.icns") as im: + for w, h, r in im.info["sizes"]: wr = w * r hr = h * r - im2 = Image.open('Tests/images/pillow3.icns') - im2.size = (w, h, r) - im2.load() - self.assertEqual(im2.mode, 'RGBA') - self.assertEqual(im2.size, (wr, hr)) + with Image.open("Tests/images/pillow3.icns") as im2: + im2.size = (w, h, r) + im2.load() + assert im2.mode == "RGBA" + assert im2.size == (wr, hr) + + +def test_getimage(): + with open(TEST_FILE, "rb") as fp: + icns_file = IcnsImagePlugin.IcnsFile(fp) - def test_getimage(self): - with open(TEST_FILE, 'rb') as fp: - icns_file = IcnsImagePlugin.IcnsFile(fp) + im = icns_file.getimage() + assert im.mode == "RGBA" + assert im.size == (1024, 1024) - im = icns_file.getimage() - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (1024, 1024)) + im = icns_file.getimage((512, 512)) + assert im.mode == "RGBA" + assert im.size == (512, 512) - im = icns_file.getimage((512, 512)) - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (512, 512)) - def test_not_an_icns_file(self): - with io.BytesIO(b'invalid\n') as fp: - self.assertRaises(SyntaxError, - IcnsImagePlugin.IcnsFile, fp) +def test_not_an_icns_file(): + with io.BytesIO(b"invalid\n") as fp: + with pytest.raises(SyntaxError): + IcnsImagePlugin.IcnsFile(fp) -if __name__ == '__main__': - unittest.main() +def test_icns_decompression_bomb(): + with Image.open( + "Tests/images/oom-8ed3316a4109213ca96fb8a256a0bfefdece1461.icns" + ) as im: + with pytest.raises(Image.DecompressionBombError): + im.load() diff --git a/Tests/test_file_ico.py b/Tests/test_file_ico.py index 20f21db57af..317264db646 100644 --- a/Tests/test_file_ico.py +++ b/Tests/test_file_ico.py @@ -1,83 +1,162 @@ -from helper import unittest, PillowTestCase, hopper - import io -from PIL import Image, IcoImagePlugin -TEST_ICO_FILE = "Tests/images/hopper.ico" +import pytest + +from PIL import IcoImagePlugin, Image, ImageDraw +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +TEST_ICO_FILE = "Tests/images/hopper.ico" -class TestFileIco(PillowTestCase): - def test_sanity(self): - im = Image.open(TEST_ICO_FILE) +def test_sanity(): + with Image.open(TEST_ICO_FILE) as im: im.load() - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (16, 16)) - self.assertEqual(im.format, "ICO") - - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, - IcoImagePlugin.IcoImageFile, fp) - - def test_save_to_bytes(self): - output = io.BytesIO() - im = hopper() - im.save(output, "ico", sizes=[(32, 32), (64, 64)]) - - # the default image - output.seek(0) - reloaded = Image.open(output) - self.assertEqual(reloaded.info['sizes'], set([(32, 32), (64, 64)])) - - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual((64, 64), reloaded.size) - self.assertEqual(reloaded.format, "ICO") - self.assert_image_equal(reloaded, - hopper().resize((64, 64), Image.LANCZOS)) - - # the other one - output.seek(0) - reloaded = Image.open(output) + assert im.mode == "RGBA" + assert im.size == (16, 16) + assert im.format == "ICO" + assert im.get_format_mimetype() == "image/x-icon" + + +def test_mask(): + with Image.open("Tests/images/hopper_mask.ico") as im: + assert_image_equal_tofile(im, "Tests/images/hopper_mask.png") + + +def test_black_and_white(): + with Image.open("Tests/images/black_and_white.ico") as im: + assert im.mode == "RGBA" + assert im.size == (16, 16) + + +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + IcoImagePlugin.IcoImageFile(fp) + + +def test_save_to_bytes(): + output = io.BytesIO() + im = hopper() + im.save(output, "ico", sizes=[(32, 32), (64, 64)]) + + # The default image + output.seek(0) + with Image.open(output) as reloaded: + assert reloaded.info["sizes"] == {(32, 32), (64, 64)} + + assert im.mode == reloaded.mode + assert (64, 64) == reloaded.size + assert reloaded.format == "ICO" + assert_image_equal(reloaded, hopper().resize((64, 64), Image.LANCZOS)) + + # The other one + output.seek(0) + with Image.open(output) as reloaded: + reloaded.size = (32, 32) + + assert im.mode == reloaded.mode + assert (32, 32) == reloaded.size + assert reloaded.format == "ICO" + assert_image_equal(reloaded, hopper().resize((32, 32), Image.LANCZOS)) + + +@pytest.mark.parametrize("mode", ("1", "L", "P", "RGB", "RGBA")) +def test_save_to_bytes_bmp(mode): + output = io.BytesIO() + im = hopper(mode) + im.save(output, "ico", bitmap_format="bmp", sizes=[(32, 32), (64, 64)]) + + # The default image + output.seek(0) + with Image.open(output) as reloaded: + assert reloaded.info["sizes"] == {(32, 32), (64, 64)} + + assert "RGBA" == reloaded.mode + assert (64, 64) == reloaded.size + assert reloaded.format == "ICO" + im = hopper(mode).resize((64, 64), Image.LANCZOS).convert("RGBA") + assert_image_equal(reloaded, im) + + # The other one + output.seek(0) + with Image.open(output) as reloaded: reloaded.size = (32, 32) - self.assertEqual(im.mode, reloaded.mode) - self.assertEqual((32, 32), reloaded.size) - self.assertEqual(reloaded.format, "ICO") - self.assert_image_equal(reloaded, - hopper().resize((32, 32), Image.LANCZOS)) + assert "RGBA" == reloaded.mode + assert (32, 32) == reloaded.size + assert reloaded.format == "ICO" + im = hopper(mode).resize((32, 32), Image.LANCZOS).convert("RGBA") + assert_image_equal(reloaded, im) - def test_save_256x256(self): - """Issue #2264 https://github.com/python-pillow/Pillow/issues/2264""" - # Arrange - im = Image.open("Tests/images/hopper_256x256.ico") - outfile = self.tempfile("temp_saved_hopper_256x256.ico") + +def test_incorrect_size(): + with Image.open(TEST_ICO_FILE) as im: + with pytest.raises(ValueError): + im.size = (1, 1) + + +def test_save_256x256(tmp_path): + """Issue #2264 https://github.com/python-pillow/Pillow/issues/2264""" + # Arrange + with Image.open("Tests/images/hopper_256x256.ico") as im: + outfile = str(tmp_path / "temp_saved_hopper_256x256.ico") # Act im.save(outfile) - im_saved = Image.open(outfile) + with Image.open(outfile) as im_saved: # Assert - self.assertEqual(im_saved.size, (256, 256)) + assert im_saved.size == (256, 256) - def test_only_save_relevant_sizes(self): - """Issue #2266 https://github.com/python-pillow/Pillow/issues/2266 - Should save in 16x16, 24x24, 32x32, 48x48 sizes - and not in 16x16, 24x24, 32x32, 48x48, 48x48, 48x48, 48x48 sizes - """ - # Arrange - im = Image.open("Tests/images/python.ico") # 16x16, 32x32, 48x48 - outfile = self.tempfile("temp_saved_python.ico") +def test_only_save_relevant_sizes(tmp_path): + """Issue #2266 https://github.com/python-pillow/Pillow/issues/2266 + Should save in 16x16, 24x24, 32x32, 48x48 sizes + and not in 16x16, 24x24, 32x32, 48x48, 48x48, 48x48, 48x48 sizes + """ + # Arrange + with Image.open("Tests/images/python.ico") as im: # 16x16, 32x32, 48x48 + outfile = str(tmp_path / "temp_saved_python.ico") # Act im.save(outfile) - im_saved = Image.open(outfile) + with Image.open(outfile) as im_saved: # Assert - self.assertEqual( - im_saved.info['sizes'], - set([(16, 16), (24, 24), (32, 32), (48, 48)])) + assert im_saved.info["sizes"] == {(16, 16), (24, 24), (32, 32), (48, 48)} + +def test_save_append_images(tmp_path): + # append_images should be used for scaled down versions of the image + im = hopper("RGBA") + provided_im = Image.new("RGBA", (32, 32), (255, 0, 0)) + outfile = str(tmp_path / "temp_saved_multi_icon.ico") + im.save(outfile, sizes=[(32, 32), (128, 128)], append_images=[provided_im]) + + with Image.open(outfile) as reread: + assert_image_equal(reread, hopper("RGBA")) + + reread.size = (32, 32) + assert_image_equal(reread, provided_im) + + +def test_unexpected_size(): + # This image has been manually hexedited to state that it is 16x32 + # while the image within is still 16x16 + def open(): + with Image.open("Tests/images/hopper_unexpected.ico") as im: + assert im.size == (16, 16) + + pytest.warns(UserWarning, open) + + +def test_draw_reloaded(tmp_path): + with Image.open(TEST_ICO_FILE) as im: + outfile = str(tmp_path / "temp_saved_hopper_draw.ico") + + draw = ImageDraw.Draw(im) + draw.line((0, 0) + im.size, "#f00") + im.save(outfile) -if __name__ == '__main__': - unittest.main() + with Image.open(outfile) as im: + assert_image_equal_tofile(im, "Tests/images/hopper_draw.ico") diff --git a/Tests/test_file_im.py b/Tests/test_file_im.py index c9992476774..9d25a4d1a8f 100644 --- a/Tests/test_file_im.py +++ b/Tests/test_file_im.py @@ -1,69 +1,110 @@ -from helper import unittest, PillowTestCase, hopper +import filecmp + +import pytest from PIL import Image, ImImagePlugin +from .helper import assert_image_equal_tofile, hopper, is_pypy + # sample im TEST_IM = "Tests/images/hopper.im" -class TestFileIm(PillowTestCase): +def test_sanity(): + with Image.open(TEST_IM) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "IM" + + +def test_name_limit(tmp_path): + out = str(tmp_path / ("name_limit_test" * 7 + ".im")) + with Image.open(TEST_IM) as im: + im.save(out) + assert filecmp.cmp(out, "Tests/images/hopper_long_name.im") + - def test_sanity(self): +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(TEST_IM) im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "IM") - def test_tell(self): - # Arrange + pytest.warns(ResourceWarning, open) + + +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(TEST_IM) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_IM) as im: + im.load() + + assert not record + + +def test_tell(): + # Arrange + with Image.open(TEST_IM) as im: # Act frame = im.tell() - # Assert - self.assertEqual(frame, 0) + # Assert + assert frame == 0 - def test_n_frames(self): - im = Image.open(TEST_IM) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - def test_eoferror(self): - im = Image.open(TEST_IM) +def test_n_frames(): + with Image.open(TEST_IM) as im: + assert im.n_frames == 1 + assert not im.is_animated + + +def test_eoferror(): + with Image.open(TEST_IM) as im: n_frames = im.n_frames # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) + im.seek(n_frames - 1) + + +def test_roundtrip(tmp_path): + def roundtrip(mode): + out = str(tmp_path / "temp.im") + im = hopper(mode) + im.save(out) + assert_image_equal_tofile(im, out) - def test_roundtrip(self): - for mode in ["RGB", "P"]: - out = self.tempfile('temp.im') - im = hopper(mode) - im.save(out) - reread = Image.open(out) + for mode in ["RGB", "P", "PA"]: + roundtrip(mode) - self.assert_image_equal(reread, im) - def test_save_unsupported_mode(self): - out = self.tempfile('temp.im') - im = hopper("HSV") - self.assertRaises(ValueError, im.save, out) +def test_save_unsupported_mode(tmp_path): + out = str(tmp_path / "temp.im") + im = hopper("HSV") + with pytest.raises(ValueError): + im.save(out) - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - ImImagePlugin.ImImageFile, invalid_file) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - def test_number(self): - self.assertEqual(1.2, ImImagePlugin.number("1.2")) + with pytest.raises(SyntaxError): + ImImagePlugin.ImImageFile(invalid_file) -if __name__ == '__main__': - unittest.main() +def test_number(): + assert ImImagePlugin.number("1.2") == 1.2 diff --git a/Tests/test_file_iptc.py b/Tests/test_file_iptc.py index e08d994a2b3..2d0e6977a70 100644 --- a/Tests/test_file_iptc.py +++ b/Tests/test_file_iptc.py @@ -1,75 +1,71 @@ -from helper import unittest, PillowTestCase, hopper +import sys +from io import StringIO from PIL import Image, IptcImagePlugin -TEST_FILE = "Tests/images/iptc.jpg" +from .helper import hopper +TEST_FILE = "Tests/images/iptc.jpg" -class TestFileIptc(PillowTestCase): - def test_getiptcinfo_jpg_none(self): - # Arrange - im = hopper() +def test_getiptcinfo_jpg_none(): + # Arrange + with hopper() as im: # Act iptc = IptcImagePlugin.getiptcinfo(im) - # Assert - self.assertIsNone(iptc) + # Assert + assert iptc is None - def test_getiptcinfo_jpg_found(self): - # Arrange - im = Image.open(TEST_FILE) + +def test_getiptcinfo_jpg_found(): + # Arrange + with Image.open(TEST_FILE) as im: # Act iptc = IptcImagePlugin.getiptcinfo(im) - # Assert - self.assertIsInstance(iptc, dict) - self.assertEqual(iptc[(2, 90)], b"Budapest") - self.assertEqual(iptc[(2, 101)], b"Hungary") + # Assert + assert isinstance(iptc, dict) + assert iptc[(2, 90)] == b"Budapest" + assert iptc[(2, 101)] == b"Hungary" + - def test_getiptcinfo_tiff_none(self): - # Arrange - im = Image.open("Tests/images/hopper.tif") +def test_getiptcinfo_tiff_none(): + # Arrange + with Image.open("Tests/images/hopper.tif") as im: # Act iptc = IptcImagePlugin.getiptcinfo(im) - # Assert - self.assertIsNone(iptc) + # Assert + assert iptc is None - def test_i(self): - # Arrange - c = b"a" - # Act - ret = IptcImagePlugin.i(c) - - # Assert - self.assertEqual(ret, 97) - - def test_dump(self): - # Arrange - c = b"abc" - # Temporarily redirect stdout - try: - from cStringIO import StringIO - except ImportError: - from io import StringIO - import sys - old_stdout = sys.stdout - sys.stdout = mystdout = StringIO() +def test_i(): + # Arrange + c = b"a" + + # Act + ret = IptcImagePlugin.i(c) + + # Assert + assert ret == 97 - # Act - IptcImagePlugin.dump(c) - # Reset stdout - sys.stdout = old_stdout +def test_dump(): + # Arrange + c = b"abc" + # Temporarily redirect stdout + old_stdout = sys.stdout + sys.stdout = mystdout = StringIO() - # Assert - self.assertEqual(mystdout.getvalue(), "61 62 63 \n") + # Act + IptcImagePlugin.dump(c) + # Reset stdout + sys.stdout = old_stdout -if __name__ == '__main__': - unittest.main() + # Assert + assert mystdout.getvalue() == "61 62 63 \n" diff --git a/Tests/test_file_jpeg.py b/Tests/test_file_jpeg.py index 747c3d7dea3..4b2ffe70d0c 100644 --- a/Tests/test_file_jpeg.py +++ b/Tests/test_file_jpeg.py @@ -1,25 +1,43 @@ -from helper import unittest, PillowTestCase, hopper -from helper import djpeg_available, cjpeg_available - -from io import BytesIO import os -import sys - -from PIL import Image -from PIL import ImageFile -from PIL import JpegImagePlugin +import re +from io import BytesIO -codecs = dir(Image.core) +import pytest + +from PIL import ( + ExifTags, + Image, + ImageFile, + ImageOps, + JpegImagePlugin, + UnidentifiedImageError, + features, +) + +from .helper import ( + assert_image, + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + assert_image_similar_tofile, + cjpeg_available, + djpeg_available, + hopper, + is_win32, + mark_if_feature_version, + skip_unless_feature, +) + +try: + import defusedxml.ElementTree as ElementTree +except ImportError: + ElementTree = None TEST_FILE = "Tests/images/hopper.jpg" -class TestFileJpeg(PillowTestCase): - - def setUp(self): - if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") - +@skip_unless_feature("jpg") +class TestFileJpeg: def roundtrip(self, im, **options): out = BytesIO() im.save(out, "JPEG", **options) @@ -29,88 +47,100 @@ def roundtrip(self, im, **options): im.bytes = test_bytes # for testing only return im - def gen_random_image(self, size, mode='RGB'): - """ Generates a very hard to compress file + def gen_random_image(self, size, mode="RGB"): + """Generates a very hard to compress file :param size: tuple :param mode: optional image mode """ - return Image.frombytes(mode, size, - os.urandom(size[0]*size[1]*len(mode))) + return Image.frombytes(mode, size, os.urandom(size[0] * size[1] * len(mode))) def test_sanity(self): # internal version number - self.assertRegexpMatches(Image.core.jpeglib_version, r"\d+\.\d+$") + assert re.search(r"\d+\.\d+$", features.version_codec("jpg")) - im = Image.open(TEST_FILE) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "JPEG") + with Image.open(TEST_FILE) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "JPEG" + assert im.get_format_mimetype() == "image/jpeg" def test_app(self): # Test APP/COM reader (@PIL135) - im = Image.open(TEST_FILE) - self.assertEqual( - im.applist[0], - ("APP0", b"JFIF\x00\x01\x01\x01\x00`\x00`\x00\x00")) - self.assertEqual(im.applist[1], ( - "COM", b"File written by Adobe Photoshop\xa8 4.0\x00")) - self.assertEqual(len(im.applist), 2) + with Image.open(TEST_FILE) as im: + assert im.applist[0] == ("APP0", b"JFIF\x00\x01\x01\x01\x00`\x00`\x00\x00") + assert im.applist[1] == ( + "COM", + b"File written by Adobe Photoshop\xa8 4.0\x00", + ) + assert len(im.applist) == 2 + + assert im.info["comment"] == b"File written by Adobe Photoshop\xa8 4.0\x00" def test_cmyk(self): # Test CMYK handling. Thanks to Tim and Charlie for test data, # Michael for getting me to look one more time. f = "Tests/images/pil_sample_cmyk.jpg" - im = Image.open(f) - # the source image has red pixels in the upper left corner. - c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))] - self.assertEqual(c, 0.0) - self.assertGreater(m, 0.8) - self.assertGreater(y, 0.8) - self.assertEqual(k, 0.0) - # the opposite corner is black - c, m, y, k = [x / 255.0 for x in im.getpixel(( - im.size[0]-1, im.size[1]-1))] - self.assertGreater(k, 0.9) - # roundtrip, and check again - im = self.roundtrip(im) - c, m, y, k = [x / 255.0 for x in im.getpixel((0, 0))] - self.assertEqual(c, 0.0) - self.assertGreater(m, 0.8) - self.assertGreater(y, 0.8) - self.assertEqual(k, 0.0) - c, m, y, k = [x / 255.0 for x in im.getpixel(( - im.size[0]-1, im.size[1]-1))] - self.assertGreater(k, 0.9) - - def test_dpi(self): + with Image.open(f) as im: + # the source image has red pixels in the upper left corner. + c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0))) + assert c == 0.0 + assert m > 0.8 + assert y > 0.8 + assert k == 0.0 + # the opposite corner is black + c, m, y, k = ( + x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1)) + ) + assert k > 0.9 + # roundtrip, and check again + im = self.roundtrip(im) + c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0))) + assert c == 0.0 + assert m > 0.8 + assert y > 0.8 + assert k == 0.0 + c, m, y, k = ( + x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1)) + ) + assert k > 0.9 + + @pytest.mark.parametrize( + "test_image_path", + [TEST_FILE, "Tests/images/pil_sample_cmyk.jpg"], + ) + def test_dpi(self, test_image_path): def test(xdpi, ydpi=None): - im = Image.open(TEST_FILE) - im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi)) + with Image.open(test_image_path) as im: + im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi)) return im.info.get("dpi") - self.assertEqual(test(72), (72, 72)) - self.assertEqual(test(300), (300, 300)) - self.assertEqual(test(100, 200), (100, 200)) - self.assertIsNone(test(0)) # square pixels - def test_icc(self): + assert test(72) == (72, 72) + assert test(300) == (300, 300) + assert test(100, 200) == (100, 200) + assert test(0) is None # square pixels + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_icc(self, tmp_path): # Test ICC support - im1 = Image.open("Tests/images/rgb.jpg") - icc_profile = im1.info["icc_profile"] - self.assertEqual(len(icc_profile), 3144) - # Roundtrip via physical file. - f = self.tempfile("temp.jpg") - im1.save(f, icc_profile=icc_profile) - im2 = Image.open(f) - self.assertEqual(im2.info.get("icc_profile"), icc_profile) - # Roundtrip via memory buffer. - im1 = self.roundtrip(hopper()) - im2 = self.roundtrip(hopper(), icc_profile=icc_profile) - self.assert_image_equal(im1, im2) - self.assertFalse(im1.info.get("icc_profile")) - self.assertTrue(im2.info.get("icc_profile")) + with Image.open("Tests/images/rgb.jpg") as im1: + icc_profile = im1.info["icc_profile"] + assert len(icc_profile) == 3144 + # Roundtrip via physical file. + f = str(tmp_path / "temp.jpg") + im1.save(f, icc_profile=icc_profile) + with Image.open(f) as im2: + assert im2.info.get("icc_profile") == icc_profile + # Roundtrip via memory buffer. + im1 = self.roundtrip(hopper()) + im2 = self.roundtrip(hopper(), icc_profile=icc_profile) + assert_image_equal(im1, im2) + assert not im1.info.get("icc_profile") + assert im2.info.get("icc_profile") def test_icc_big(self): # Make sure that the "extra" support handles large blocks @@ -118,69 +148,77 @@ def test(n): # The ICC APP marker can store 65519 bytes per marker, so # using a 4-byte test code should allow us to detect out of # order issues. - icc_profile = (b"Test"*int(n/4+1))[:n] + icc_profile = (b"Test" * int(n / 4 + 1))[:n] assert len(icc_profile) == n # sanity im1 = self.roundtrip(hopper(), icc_profile=icc_profile) - self.assertEqual(im1.info.get("icc_profile"), icc_profile or None) + assert im1.info.get("icc_profile") == (icc_profile or None) + test(0) test(1) test(3) test(4) test(5) - test(65533-14) # full JPEG marker block - test(65533-14+1) # full block plus one byte + test(65533 - 14) # full JPEG marker block + test(65533 - 14 + 1) # full block plus one byte test(ImageFile.MAXBLOCK) # full buffer block - test(ImageFile.MAXBLOCK+1) # full buffer block plus one byte - test(ImageFile.MAXBLOCK*4+3) # large block + test(ImageFile.MAXBLOCK + 1) # full buffer block plus one byte + test(ImageFile.MAXBLOCK * 4 + 3) # large block - def test_large_icc_meta(self): + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_large_icc_meta(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/148 # Sometimes the meta data on the icc_profile block is bigger than # Image.MAXBLOCK or the image size. - im = Image.open('Tests/images/icc_profile_big.jpg') - f = self.tempfile("temp.jpg") - icc_profile = im.info["icc_profile"] - try: - im.save(f, format='JPEG', progressive=True,quality=95, - icc_profile=icc_profile, optimize=True) - except IOError: - self.fail("Failed saving image with icc larger than image size") + with Image.open("Tests/images/icc_profile_big.jpg") as im: + f = str(tmp_path / "temp.jpg") + icc_profile = im.info["icc_profile"] + # Should not raise OSError for image with icc larger than image size. + im.save( + f, + format="JPEG", + progressive=True, + quality=95, + icc_profile=icc_profile, + optimize=True, + ) def test_optimize(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), optimize=0) im3 = self.roundtrip(hopper(), optimize=1) - self.assert_image_equal(im1, im2) - self.assert_image_equal(im1, im3) - self.assertGreaterEqual(im1.bytes, im2.bytes) - self.assertGreaterEqual(im1.bytes, im3.bytes) + assert_image_equal(im1, im2) + assert_image_equal(im1, im3) + assert im1.bytes >= im2.bytes + assert im1.bytes >= im3.bytes - def test_optimize_large_buffer(self): + def test_optimize_large_buffer(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/148 - f = self.tempfile('temp.jpg') + f = str(tmp_path / "temp.jpg") # this requires ~ 1.5x Image.MAXBLOCK - im = Image.new("RGB", (4096, 4096), 0xff3333) + im = Image.new("RGB", (4096, 4096), 0xFF3333) im.save(f, format="JPEG", optimize=True) def test_progressive(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), progressive=False) im3 = self.roundtrip(hopper(), progressive=True) - self.assertFalse(im1.info.get("progressive")) - self.assertFalse(im2.info.get("progressive")) - self.assertTrue(im3.info.get("progressive")) + assert not im1.info.get("progressive") + assert not im2.info.get("progressive") + assert im3.info.get("progressive") - self.assert_image_equal(im1, im3) - self.assertGreaterEqual(im1.bytes, im3.bytes) + assert_image_equal(im1, im3) + assert im1.bytes >= im3.bytes - def test_progressive_large_buffer(self): - f = self.tempfile('temp.jpg') + def test_progressive_large_buffer(self, tmp_path): + f = str(tmp_path / "temp.jpg") # this requires ~ 1.5x Image.MAXBLOCK - im = Image.new("RGB", (4096, 4096), 0xff3333) + im = Image.new("RGB", (4096, 4096), 0xFF3333) im.save(f, format="JPEG", progressive=True) - def test_progressive_large_buffer_highest_quality(self): - f = self.tempfile('temp.jpg') + def test_progressive_large_buffer_highest_quality(self, tmp_path): + f = str(tmp_path / "temp.jpg") im = self.gen_random_image((255, 255)) # this requires more bytes than pixels in the image im.save(f, format="JPEG", progressive=True, quality=100) @@ -188,408 +226,690 @@ def test_progressive_large_buffer_highest_quality(self): def test_progressive_cmyk_buffer(self): # Issue 2272, quality 90 cmyk image is tripping the large buffer bug. f = BytesIO() - im = self.gen_random_image((256, 256), 'CMYK') - im.save(f, format='JPEG', progressive=True, quality=94) + im = self.gen_random_image((256, 256), "CMYK") + im.save(f, format="JPEG", progressive=True, quality=94) - def test_large_exif(self): + def test_large_exif(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/148 - f = self.tempfile('temp.jpg') + f = str(tmp_path / "temp.jpg") im = hopper() - im.save(f, 'JPEG', quality=90, exif=b"1"*65532) + im.save(f, "JPEG", quality=90, exif=b"1" * 65532) def test_exif_typeerror(self): - im = Image.open('Tests/images/exif_typeerror.jpg') - # Should not raise a TypeError - im._getexif() + with Image.open("Tests/images/exif_typeerror.jpg") as im: + # Should not raise a TypeError + im._getexif() - def test_exif_gps(self): - # Arrange - im = Image.open('Tests/images/exif_gps.jpg') - gps_index = 34853 + def test_exif_gps(self, tmp_path): expected_exif_gps = { - 0: b'\x00\x00\x00\x01', - 2: (4294967295, 1), - 5: b'\x01', + 0: b"\x00\x00\x00\x01", + 2: 4294967295, + 5: b"\x01", 30: 65535, - 29: '1999:99:99 99:99:99'} - - # Act - exif = im._getexif() + 29: "1999:99:99 99:99:99", + } + gps_index = 34853 - # Assert - self.assertEqual(exif[gps_index], expected_exif_gps) + # Reading + with Image.open("Tests/images/exif_gps.jpg") as im: + exif = im._getexif() + assert exif[gps_index] == expected_exif_gps + + # Writing + f = str(tmp_path / "temp.jpg") + exif = Image.Exif() + exif[gps_index] = expected_exif_gps + hopper().save(f, exif=exif) + + with Image.open(f) as reloaded: + exif = reloaded._getexif() + assert exif[gps_index] == expected_exif_gps + + def test_empty_exif_gps(self): + with Image.open("Tests/images/empty_gps_ifd.jpg") as im: + exif = im.getexif() + del exif[0x8769] + + # Assert that it needs to be transposed + assert exif[0x0112] == Image.TRANSVERSE + + # Assert that the GPS IFD is present and empty + assert exif.get_ifd(0x8825) == {} + + transposed = ImageOps.exif_transpose(im) + exif = transposed.getexif() + assert exif.get_ifd(0x8825) == {} + + # Assert that it was transposed + assert 0x0112 not in exif + + def test_exif_equality(self): + # In 7.2.0, Exif rationals were changed to be read as + # TiffImagePlugin.IFDRational. This class had a bug in __eq__, + # breaking the self-equality of Exif data + exifs = [] + for i in range(2): + with Image.open("Tests/images/exif-200dpcm.jpg") as im: + exifs.append(im._getexif()) + assert exifs[0] == exifs[1] def test_exif_rollback(self): # rolling back exif support in 3.1 to pre-3.0 formatting. # expected from 2.9, with b/u qualifiers switched for 3.2 compatibility # this test passes on 2.9 and 3.1, but not 3.0 - expected_exif = {34867: 4294967295, - 258: (24, 24, 24), - 36867: '2099:09:29 10:10:10', - 34853: {0: b'\x00\x00\x00\x01', - 2: (4294967295, 1), - 5: b'\x01', - 30: 65535, - 29: '1999:99:99 99:99:99'}, - 296: 65535, - 34665: 185, - 41994: 65535, - 514: 4294967295, - 271: 'Make', - 272: 'XXX-XXX', - 305: 'PIL', - 42034: ((1, 1), (1, 1), (1, 1), (1, 1)), - 42035: 'LensMake', - 34856: b'\xaa\xaa\xaa\xaa\xaa\xaa', - 282: (4294967295, 1), - 33434: (4294967295, 1)} - - im = Image.open('Tests/images/exif_gps.jpg') - exif = im._getexif() + expected_exif = { + 34867: 4294967295, + 258: (24, 24, 24), + 36867: "2099:09:29 10:10:10", + 34853: { + 0: b"\x00\x00\x00\x01", + 2: 4294967295, + 5: b"\x01", + 30: 65535, + 29: "1999:99:99 99:99:99", + }, + 296: 65535, + 34665: 185, + 41994: 65535, + 514: 4294967295, + 271: "Make", + 272: "XXX-XXX", + 305: "PIL", + 42034: (1, 1, 1, 1), + 42035: "LensMake", + 34856: b"\xaa\xaa\xaa\xaa\xaa\xaa", + 282: 4294967295, + 33434: 4294967295, + } + + with Image.open("Tests/images/exif_gps.jpg") as im: + exif = im._getexif() for tag, value in expected_exif.items(): - self.assertEqual(value, exif[tag]) + assert value == exif[tag] def test_exif_gps_typeerror(self): - im = Image.open('Tests/images/exif_gps_typeerror.jpg') + with Image.open("Tests/images/exif_gps_typeerror.jpg") as im: - # Should not raise a TypeError - im._getexif() + # Should not raise a TypeError + im._getexif() def test_progressive_compat(self): im1 = self.roundtrip(hopper()) - self.assertFalse(im1.info.get("progressive")) - self.assertFalse(im1.info.get("progression")) + assert not im1.info.get("progressive") + assert not im1.info.get("progression") im2 = self.roundtrip(hopper(), progressive=0) im3 = self.roundtrip(hopper(), progression=0) # compatibility - self.assertFalse(im2.info.get("progressive")) - self.assertFalse(im2.info.get("progression")) - self.assertFalse(im3.info.get("progressive")) - self.assertFalse(im3.info.get("progression")) + assert not im2.info.get("progressive") + assert not im2.info.get("progression") + assert not im3.info.get("progressive") + assert not im3.info.get("progression") im2 = self.roundtrip(hopper(), progressive=1) im3 = self.roundtrip(hopper(), progression=1) # compatibility - self.assert_image_equal(im1, im2) - self.assert_image_equal(im1, im3) - self.assertTrue(im2.info.get("progressive")) - self.assertTrue(im2.info.get("progression")) - self.assertTrue(im3.info.get("progressive")) - self.assertTrue(im3.info.get("progression")) + assert_image_equal(im1, im2) + assert_image_equal(im1, im3) + assert im2.info.get("progressive") + assert im2.info.get("progression") + assert im3.info.get("progressive") + assert im3.info.get("progression") def test_quality(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), quality=50) - self.assert_image(im1, im2.mode, im2.size) - self.assertGreaterEqual(im1.bytes, im2.bytes) + assert_image(im1, im2.mode, im2.size) + assert im1.bytes >= im2.bytes + + im3 = self.roundtrip(hopper(), quality=0) + assert_image(im1, im3.mode, im3.size) + assert im2.bytes > im3.bytes def test_smooth(self): im1 = self.roundtrip(hopper()) im2 = self.roundtrip(hopper(), smooth=100) - self.assert_image(im1, im2.mode, im2.size) + assert_image(im1, im2.mode, im2.size) def test_subsampling(self): def getsampling(im): layer = im.layer return layer[0][1:3] + layer[1][1:3] + layer[2][1:3] + # experimental API im = self.roundtrip(hopper(), subsampling=-1) # default - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=0) # 4:4:4 - self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1)) + assert getsampling(im) == (1, 1, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=1) # 4:2:2 - self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1)) + assert getsampling(im) == (2, 1, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=2) # 4:2:0 - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling=3) # default (undefined) - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:4:4") - self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1)) + assert getsampling(im) == (1, 1, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:2:2") - self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1)) + assert getsampling(im) == (2, 1, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:2:0") - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) im = self.roundtrip(hopper(), subsampling="4:1:1") - self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1)) + assert getsampling(im) == (2, 2, 1, 1, 1, 1) - self.assertRaises( - TypeError, self.roundtrip, hopper(), subsampling="1:1:1") + with pytest.raises(TypeError): + self.roundtrip(hopper(), subsampling="1:1:1") def test_exif(self): - im = Image.open("Tests/images/pil_sample_rgb.jpg") - info = im._getexif() - self.assertEqual(info[305], 'Adobe Photoshop CS Macintosh') + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + info = im._getexif() + assert info[305] == "Adobe Photoshop CS Macintosh" def test_mp(self): - im = Image.open("Tests/images/pil_sample_rgb.jpg") - self.assertIsNone(im._getmp()) + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + assert im._getmp() is None - def test_quality_keep(self): + def test_quality_keep(self, tmp_path): # RGB - im = Image.open("Tests/images/hopper.jpg") - f = self.tempfile('temp.jpg') - im.save(f, quality='keep') + with Image.open("Tests/images/hopper.jpg") as im: + f = str(tmp_path / "temp.jpg") + im.save(f, quality="keep") # Grayscale - im = Image.open("Tests/images/hopper_gray.jpg") - f = self.tempfile('temp.jpg') - im.save(f, quality='keep') + with Image.open("Tests/images/hopper_gray.jpg") as im: + f = str(tmp_path / "temp.jpg") + im.save(f, quality="keep") # CMYK - im = Image.open("Tests/images/pil_sample_cmyk.jpg") - f = self.tempfile('temp.jpg') - im.save(f, quality='keep') + with Image.open("Tests/images/pil_sample_cmyk.jpg") as im: + f = str(tmp_path / "temp.jpg") + im.save(f, quality="keep") def test_junk_jpeg_header(self): # https://github.com/python-pillow/Pillow/issues/630 filename = "Tests/images/junk_jpeg_header.jpg" - Image.open(filename) + with Image.open(filename): + pass def test_ff00_jpeg_header(self): filename = "Tests/images/jpeg_ff00_header.jpg" - Image.open(filename) - - def _n_qtables_helper(self, n, test_file): - im = Image.open(test_file) - f = self.tempfile('temp.jpg') - im.save(f, qtables=[[n]*64]*n) - im = Image.open(f) - self.assertEqual(len(im.quantization), n) - reloaded = self.roundtrip(im, qtables="keep") - self.assertEqual(im.quantization, reloaded.quantization) - - def test_qtables(self): - im = Image.open("Tests/images/hopper.jpg") - qtables = im.quantization - reloaded = self.roundtrip(im, qtables=qtables, subsampling=0) - self.assertEqual(im.quantization, reloaded.quantization) - self.assert_image_similar(im, self.roundtrip(im, qtables='web_low'), - 30) - self.assert_image_similar(im, self.roundtrip(im, qtables='web_high'), - 30) - self.assert_image_similar(im, self.roundtrip(im, qtables='keep'), 30) - - # valid bounds for baseline qtable - bounds_qtable = [int(s) for s in ("255 1 " * 32).split(None)] - self.roundtrip(im, qtables=[bounds_qtable]) - - # values from wizard.txt in jpeg9-a src package. - standard_l_qtable = [int(s) for s in """ - 16 11 10 16 24 40 51 61 - 12 12 14 19 26 58 60 55 - 14 13 16 24 40 57 69 56 - 14 17 22 29 51 87 80 62 - 18 22 37 56 68 109 103 77 - 24 35 55 64 81 104 113 92 - 49 64 78 87 103 121 120 101 - 72 92 95 98 112 100 103 99 - """.split(None)] - - standard_chrominance_qtable = [int(s) for s in """ - 17 18 24 47 99 99 99 99 - 18 21 26 66 99 99 99 99 - 24 26 56 99 99 99 99 99 - 47 66 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - 99 99 99 99 99 99 99 99 - """.split(None)] - # list of qtable lists - self.assert_image_similar( - im, self.roundtrip( - im, qtables=[standard_l_qtable, standard_chrominance_qtable]), - 30) - - # tuple of qtable lists - self.assert_image_similar( - im, self.roundtrip( - im, qtables=(standard_l_qtable, standard_chrominance_qtable)), - 30) - - # dict of qtable lists - self.assert_image_similar(im, - self.roundtrip(im, qtables={ - 0: standard_l_qtable, - 1: standard_chrominance_qtable - }), 30) - - self._n_qtables_helper(1, "Tests/images/hopper_gray.jpg") - self._n_qtables_helper(1, "Tests/images/pil_sample_rgb.jpg") - self._n_qtables_helper(2, "Tests/images/pil_sample_rgb.jpg") - self._n_qtables_helper(3, "Tests/images/pil_sample_rgb.jpg") - self._n_qtables_helper(1, "Tests/images/pil_sample_cmyk.jpg") - self._n_qtables_helper(2, "Tests/images/pil_sample_cmyk.jpg") - self._n_qtables_helper(3, "Tests/images/pil_sample_cmyk.jpg") - self._n_qtables_helper(4, "Tests/images/pil_sample_cmyk.jpg") - - # not a sequence - self.assertRaises(Exception, self.roundtrip, im, qtables='a') - # sequence wrong length - self.assertRaises(Exception, self.roundtrip, im, qtables=[]) - # sequence wrong length - self.assertRaises(Exception, - self.roundtrip, im, qtables=[1, 2, 3, 4, 5]) - - # qtable entry not a sequence - self.assertRaises(Exception, self.roundtrip, im, qtables=[1]) - # qtable entry has wrong number of items - self.assertRaises(Exception, - self.roundtrip, im, qtables=[[1, 2, 3, 4]]) - - @unittest.skipUnless(djpeg_available(), "djpeg not available") - def test_load_djpeg(self): - img = Image.open(TEST_FILE) - img.load_djpeg() - self.assert_image_similar(img, Image.open(TEST_FILE), 0) + with Image.open(filename): + pass + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_truncated_jpeg_should_read_all_the_data(self): + filename = "Tests/images/truncated_jpeg.jpg" + ImageFile.LOAD_TRUNCATED_IMAGES = True + with Image.open(filename) as im: + im.load() + ImageFile.LOAD_TRUNCATED_IMAGES = False + assert im.getbbox() is not None + + def test_truncated_jpeg_throws_oserror(self): + filename = "Tests/images/truncated_jpeg.jpg" + with Image.open(filename) as im: + with pytest.raises(OSError): + im.load() + + # Test that the error is raised if loaded a second time + with pytest.raises(OSError): + im.load() + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_qtables(self, tmp_path): + def _n_qtables_helper(n, test_file): + with Image.open(test_file) as im: + f = str(tmp_path / "temp.jpg") + im.save(f, qtables=[[n] * 64] * n) + with Image.open(f) as im: + assert len(im.quantization) == n + reloaded = self.roundtrip(im, qtables="keep") + assert im.quantization == reloaded.quantization + assert max(reloaded.quantization[0]) <= 255 - @unittest.skipUnless(cjpeg_available(), "cjpeg not available") - def test_save_cjpeg(self): - img = Image.open(TEST_FILE) - - tempfile = self.tempfile("temp.jpg") - JpegImagePlugin._save_cjpeg(img, 0, tempfile) - # Default save quality is 75%, so a tiny bit of difference is alright - self.assert_image_similar(img, Image.open(tempfile), 17) + with Image.open("Tests/images/hopper.jpg") as im: + qtables = im.quantization + reloaded = self.roundtrip(im, qtables=qtables, subsampling=0) + assert im.quantization == reloaded.quantization + assert_image_similar(im, self.roundtrip(im, qtables="web_low"), 30) + assert_image_similar(im, self.roundtrip(im, qtables="web_high"), 30) + assert_image_similar(im, self.roundtrip(im, qtables="keep"), 30) + + # valid bounds for baseline qtable + bounds_qtable = [int(s) for s in ("255 1 " * 32).split(None)] + im2 = self.roundtrip(im, qtables=[bounds_qtable]) + assert im2.quantization == {0: bounds_qtable} + + # values from wizard.txt in jpeg9-a src package. + standard_l_qtable = [ + int(s) + for s in """ + 16 11 10 16 24 40 51 61 + 12 12 14 19 26 58 60 55 + 14 13 16 24 40 57 69 56 + 14 17 22 29 51 87 80 62 + 18 22 37 56 68 109 103 77 + 24 35 55 64 81 104 113 92 + 49 64 78 87 103 121 120 101 + 72 92 95 98 112 100 103 99 + """.split( + None + ) + ] + + standard_chrominance_qtable = [ + int(s) + for s in """ + 17 18 24 47 99 99 99 99 + 18 21 26 66 99 99 99 99 + 24 26 56 99 99 99 99 99 + 47 66 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + 99 99 99 99 99 99 99 99 + """.split( + None + ) + ] + # list of qtable lists + assert_image_similar( + im, + self.roundtrip( + im, qtables=[standard_l_qtable, standard_chrominance_qtable] + ), + 30, + ) + + # tuple of qtable lists + assert_image_similar( + im, + self.roundtrip( + im, qtables=(standard_l_qtable, standard_chrominance_qtable) + ), + 30, + ) + + # dict of qtable lists + assert_image_similar( + im, + self.roundtrip( + im, qtables={0: standard_l_qtable, 1: standard_chrominance_qtable} + ), + 30, + ) + + _n_qtables_helper(1, "Tests/images/hopper_gray.jpg") + _n_qtables_helper(1, "Tests/images/pil_sample_rgb.jpg") + _n_qtables_helper(2, "Tests/images/pil_sample_rgb.jpg") + _n_qtables_helper(3, "Tests/images/pil_sample_rgb.jpg") + _n_qtables_helper(1, "Tests/images/pil_sample_cmyk.jpg") + _n_qtables_helper(2, "Tests/images/pil_sample_cmyk.jpg") + _n_qtables_helper(3, "Tests/images/pil_sample_cmyk.jpg") + _n_qtables_helper(4, "Tests/images/pil_sample_cmyk.jpg") + + # not a sequence + with pytest.raises(ValueError): + self.roundtrip(im, qtables="a") + # sequence wrong length + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[]) + # sequence wrong length + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[1, 2, 3, 4, 5]) + + # qtable entry not a sequence + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[1]) + # qtable entry has wrong number of items + with pytest.raises(ValueError): + self.roundtrip(im, qtables=[[1, 2, 3, 4]]) + + def test_load_16bit_qtables(self): + with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im: + assert len(im.quantization) == 2 + assert len(im.quantization[0]) == 64 + assert max(im.quantization[0]) > 255 + + def test_save_multiple_16bit_qtables(self): + with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im: + im2 = self.roundtrip(im, qtables="keep") + assert im.quantization == im2.quantization + + def test_save_single_16bit_qtable(self): + with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im: + im2 = self.roundtrip(im, qtables={0: im.quantization[0]}) + assert len(im2.quantization) == 1 + assert im2.quantization[0] == im.quantization[0] + + def test_save_low_quality_baseline_qtables(self): + with Image.open(TEST_FILE) as im: + im2 = self.roundtrip(im, quality=10) + assert len(im2.quantization) == 2 + assert max(im2.quantization[0]) <= 255 + assert max(im2.quantization[1]) <= 255 + + def test_convert_dict_qtables_deprecation(self): + with pytest.warns(DeprecationWarning): + qtable = {0: [1, 2, 3, 4]} + qtable2 = JpegImagePlugin.convert_dict_qtables(qtable) + assert qtable == qtable2 + + @pytest.mark.skipif(not djpeg_available(), reason="djpeg not available") + def test_load_djpeg(self): + with Image.open(TEST_FILE) as img: + img.load_djpeg() + assert_image_similar_tofile(img, TEST_FILE, 5) + + @pytest.mark.skipif(not cjpeg_available(), reason="cjpeg not available") + def test_save_cjpeg(self, tmp_path): + with Image.open(TEST_FILE) as img: + tempfile = str(tmp_path / "temp.jpg") + JpegImagePlugin._save_cjpeg(img, 0, tempfile) + # Default save quality is 75%, so a tiny bit of difference is alright + assert_image_similar_tofile(img, tempfile, 17) def test_no_duplicate_0x1001_tag(self): # Arrange - from PIL import ExifTags tag_ids = {v: k for k, v in ExifTags.TAGS.items()} # Assert - self.assertEqual(tag_ids['RelatedImageWidth'], 0x1001) - self.assertEqual(tag_ids['RelatedImageLength'], 0x1002) + assert tag_ids["RelatedImageWidth"] == 0x1001 + assert tag_ids["RelatedImageLength"] == 0x1002 - def test_MAXBLOCK_scaling(self): + def test_MAXBLOCK_scaling(self, tmp_path): im = self.gen_random_image((512, 512)) - f = self.tempfile("temp.jpeg") + f = str(tmp_path / "temp.jpeg") im.save(f, quality=100, optimize=True) - reloaded = Image.open(f) - - # none of these should crash - reloaded.save(f, quality='keep') - reloaded.save(f, quality='keep', progressive=True) - reloaded.save(f, quality='keep', optimize=True) + with Image.open(f) as reloaded: + # none of these should crash + reloaded.save(f, quality="keep") + reloaded.save(f, quality="keep", progressive=True) + reloaded.save(f, quality="keep", optimize=True) def test_bad_mpo_header(self): - """ Treat unknown MPO as JPEG """ + """Treat unknown MPO as JPEG""" # Arrange # Act # Shouldn't raise error fn = "Tests/images/sugarshack_bad_mpo_header.jpg" - im = self.assert_warning(UserWarning, Image.open, fn) + with pytest.warns(UserWarning, Image.open, fn) as im: - # Assert - self.assertEqual(im.format, "JPEG") + # Assert + assert im.format == "JPEG" def test_save_correct_modes(self): out = BytesIO() - for mode in ['1', 'L', 'RGB', 'RGBX', 'CMYK', 'YCbCr']: + for mode in ["1", "L", "RGB", "RGBX", "CMYK", "YCbCr"]: img = Image.new(mode, (20, 20)) img.save(out, "JPEG") def test_save_wrong_modes(self): # ref https://github.com/python-pillow/Pillow/issues/2005 out = BytesIO() - for mode in ['LA', 'La', 'RGBA', 'RGBa', 'P']: + for mode in ["LA", "La", "RGBA", "RGBa", "P"]: img = Image.new(mode, (20, 20)) - self.assertRaises(IOError, img.save, out, "JPEG") + with pytest.raises(OSError): + img.save(out, "JPEG") - def test_save_tiff_with_dpi(self): + def test_save_tiff_with_dpi(self, tmp_path): # Arrange - outfile = self.tempfile("temp.tif") - im = Image.open("Tests/images/hopper.tif") + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/hopper.tif") as im: - # Act - im.save(outfile, 'JPEG', dpi=im.info['dpi']) + # Act + im.save(outfile, "JPEG", dpi=im.info["dpi"]) - # Assert - reloaded = Image.open(outfile) - reloaded.load() - self.assertEqual(im.info['dpi'], reloaded.info['dpi']) + # Assert + with Image.open(outfile) as reloaded: + reloaded.load() + assert im.info["dpi"] == reloaded.info["dpi"] + + def test_save_dpi_rounding(self, tmp_path): + outfile = str(tmp_path / "temp.jpg") + with Image.open("Tests/images/hopper.jpg") as im: + im.save(outfile, dpi=(72.2, 72.2)) + + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == (72, 72) + + im.save(outfile, dpi=(72.8, 72.8)) + + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == (73, 73) def test_dpi_tuple_from_exif(self): # Arrange # This Photoshop CC 2017 image has DPI in EXIF not metadata # EXIF XResolution is (2000000, 10000) - im = Image.open("Tests/images/photoshop-200dpi.jpg") + with Image.open("Tests/images/photoshop-200dpi.jpg") as im: - # Act / Assert - self.assertEqual(im.info.get("dpi"), (200, 200)) + # Act / Assert + assert im.info.get("dpi") == (200, 200) def test_dpi_int_from_exif(self): # Arrange # This image has DPI in EXIF not metadata # EXIF XResolution is 72 - im = Image.open("Tests/images/exif-72dpi-int.jpg") + with Image.open("Tests/images/exif-72dpi-int.jpg") as im: - # Act / Assert - self.assertEqual(im.info.get("dpi"), (72, 72)) + # Act / Assert + assert im.info.get("dpi") == (72, 72) def test_dpi_from_dpcm_exif(self): # Arrange # This is photoshop-200dpi.jpg with EXIF resolution unit set to cm: # exiftool -exif:ResolutionUnit=cm photoshop-200dpi.jpg - im = Image.open("Tests/images/exif-200dpcm.jpg") + with Image.open("Tests/images/exif-200dpcm.jpg") as im: - # Act / Assert - self.assertEqual(im.info.get("dpi"), (508, 508)) + # Act / Assert + assert im.info.get("dpi") == (508, 508) def test_dpi_exif_zero_division(self): # Arrange # This is photoshop-200dpi.jpg with EXIF resolution set to 0/0: # exiftool -XResolution=0/0 -YResolution=0/0 photoshop-200dpi.jpg - im = Image.open("Tests/images/exif-dpi-zerodivision.jpg") + with Image.open("Tests/images/exif-dpi-zerodivision.jpg") as im: + + # Act / Assert + # This should return the default, and not raise a ZeroDivisionError + assert im.info.get("dpi") == (72, 72) - # Act / Assert - # This should return the default, and not raise a ZeroDivisionError - self.assertEqual(im.info.get("dpi"), (72, 72)) + def test_dpi_exif_string(self): + # Arrange + # 0x011A tag in this exif contains string '300300\x02' + with Image.open("Tests/images/broken_exif_dpi.jpg") as im: + + # Act / Assert + # This should return the default + assert im.info.get("dpi") == (72, 72) def test_no_dpi_in_exif(self): # Arrange # This is photoshop-200dpi.jpg with resolution removed from EXIF: # exiftool "-*resolution*"= photoshop-200dpi.jpg - im = Image.open("Tests/images/no-dpi-in-exif.jpg") + with Image.open("Tests/images/no-dpi-in-exif.jpg") as im: - # Act / Assert - # "When the image resolution is unknown, 72 [dpi] is designated." - # http://www.exiv2.org/tags.html - self.assertEqual(im.info.get("dpi"), (72, 72)) + # Act / Assert + # "When the image resolution is unknown, 72 [dpi] is designated." + # http://www.exiv2.org/tags.html + assert im.info.get("dpi") == (72, 72) def test_invalid_exif(self): # This is no-dpi-in-exif with the tiff header of the exif block # hexedited from MM * to FF FF FF FF - im = Image.open("Tests/images/invalid-exif.jpg") + with Image.open("Tests/images/invalid-exif.jpg") as im: + + # This should return the default, and not a SyntaxError or + # OSError for unidentified image. + assert im.info.get("dpi") == (72, 72) - # This should return the default, and not a SyntaxError or - # OSError for unidentified image. - self.assertEqual(im.info.get("dpi"), (72, 72)) + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_exif_x_resolution(self, tmp_path): + with Image.open("Tests/images/flower.jpg") as im: + exif = im.getexif() + assert exif[282] == 180 + out = str(tmp_path / "out.jpg") + with pytest.warns(None) as record: + im.save(out, exif=exif) + assert not record -@unittest.skipUnless(sys.platform.startswith('win32'), "Windows only") -class TestFileCloseW32(PillowTestCase): - def setUp(self): - if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") + with Image.open(out) as reloaded: + assert reloaded.getexif()[282] == 180 - def test_fd_leak(self): - tmpfile = self.tempfile("temp.jpg") - import os + def test_invalid_exif_x_resolution(self): + # When no x or y resolution is defined in EXIF + with Image.open("Tests/images/invalid-exif-without-x-resolution.jpg") as im: + + # This should return the default, and not a ValueError or + # OSError for an unidentified image. + assert im.info.get("dpi") == (72, 72) + + def test_ifd_offset_exif(self): + # Arrange + # This image has been manually hexedited to have an IFD offset of 10, + # in contrast to normal 8 + with Image.open("Tests/images/exif-ifd-offset.jpg") as im: + + # Act / Assert + assert im._getexif()[306] == "2017:03:13 23:03:09" + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_photoshop(self): + with Image.open("Tests/images/photoshop-200dpi.jpg") as im: + assert im.info["photoshop"][0x03ED] == { + "XResolution": 200.0, + "DisplayedUnitsX": 1, + "YResolution": 200.0, + "DisplayedUnitsY": 1, + } + + # Test that the image can still load, even with broken Photoshop data + # This image had the APP13 length hexedited to be smaller + assert_image_equal_tofile(im, "Tests/images/photoshop-200dpi-broken.jpg") + + # This image does not contain a Photoshop header string + with Image.open("Tests/images/app13.jpg") as im: + assert "photoshop" not in im.info + + def test_photoshop_malformed_and_multiple(self): + with Image.open("Tests/images/app13-multiple.jpg") as im: + assert "photoshop" in im.info + assert 24 == len(im.info["photoshop"]) + apps_13_lengths = [len(v) for k, v in im.applist if k == "APP13"] + assert [65504, 24] == apps_13_lengths + + def test_adobe_transform(self): + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + assert im.info["adobe_transform"] == 1 + + with Image.open("Tests/images/pil_sample_cmyk.jpg") as im: + assert im.info["adobe_transform"] == 2 + + # This image has been manually hexedited + # so that the APP14 reports its length to be 11, + # leaving no room for "adobe_transform" + with Image.open("Tests/images/truncated_app14.jpg") as im: + assert "adobe" in im.info + assert "adobe_transform" not in im.info + + def test_icc_after_SOF(self): + with Image.open("Tests/images/icc-after-SOF.jpg") as im: + assert im.info["icc_profile"] == b"profile" + + def test_jpeg_magic_number(self): + size = 4097 + buffer = BytesIO(b"\xFF" * size) # Many xFF bytes + buffer.max_pos = 0 + orig_read = buffer.read + + def read(n=-1): + res = orig_read(n) + buffer.max_pos = max(buffer.max_pos, buffer.tell()) + return res + + buffer.read = read + with pytest.raises(UnidentifiedImageError): + with Image.open(buffer): + pass + + # Assert the entire file has not been read + assert 0 < buffer.max_pos < size + + def test_getxmp(self): + with Image.open("Tests/images/xmp_test.jpg") as im: + if ElementTree is None: + with pytest.warns(UserWarning): + assert im.getxmp() == {} + else: + xmp = im.getxmp() + + description = xmp["xmpmeta"]["RDF"]["Description"] + assert description["DerivedFrom"] == { + "documentID": "8367D410E636EA95B7DE7EBA1C43A412", + "originalDocumentID": "8367D410E636EA95B7DE7EBA1C43A412", + } + assert description["Look"]["Description"]["Group"]["Alt"]["li"] == { + "lang": "x-default", + "text": "Profiles", + } + assert description["ToneCurve"]["Seq"]["li"] == ["0, 0", "255, 255"] + + # Attribute + assert description["Version"] == "10.4" + + if ElementTree is not None: + with Image.open("Tests/images/hopper.jpg") as im: + assert im.getxmp() == {} + + @pytest.mark.timeout(timeout=1) + def test_eof(self): + # Even though this decoder never says that it is finished + # the image should still end when there is no new data + class InfiniteMockPyDecoder(ImageFile.PyDecoder): + def decode(self, buffer): + return 0, 0 + + decoder = InfiniteMockPyDecoder(None) + + def closure(mode, *args): + decoder.__init__(mode, *args) + return decoder + + Image.register_decoder("INFINITE", closure) + + with Image.open(TEST_FILE) as im: + im.tile = [ + ("INFINITE", (0, 0, 128, 128), 0, ("RGB", 0, 1)), + ] + ImageFile.LOAD_TRUNCATED_IMAGES = True + im.load() + ImageFile.LOAD_TRUNCATED_IMAGES = False + + +@pytest.mark.skipif(not is_win32(), reason="Windows only") +@skip_unless_feature("jpg") +class TestFileCloseW32: + def test_fd_leak(self, tmp_path): + tmpfile = str(tmp_path / "temp.jpg") with Image.open("Tests/images/hopper.jpg") as im: im.save(tmpfile) im = Image.open(tmpfile) fp = im.fp - self.assertFalse(fp.closed) - self.assertRaises(Exception, os.remove, tmpfile) + assert not fp.closed + with pytest.raises(OSError): + os.remove(tmpfile) im.load() - self.assertTrue(fp.closed) + assert fp.closed # this should not fail, as load should have closed the file. os.remove(tmpfile) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_file_jpeg2k.py b/Tests/test_file_jpeg2k.py index 753b505987c..ca410162a1c 100644 --- a/Tests/test_file_jpeg2k.py +++ b/Tests/test_file_jpeg2k.py @@ -1,11 +1,23 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, Jpeg2KImagePlugin +import os +import re from io import BytesIO -codecs = dir(Image.core) +import pytest + +from PIL import Image, ImageFile, Jpeg2KImagePlugin, UnidentifiedImageError, features + +from .helper import ( + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + skip_unless_feature, +) -test_card = Image.open('Tests/images/test-card.png') +EXTRA_DIR = "Tests/images/jpeg2000" + +pytestmark = skip_unless_feature("jpg_2000") + +test_card = Image.open("Tests/images/test-card.png") test_card.load() # OpenJPEG 2.0.0 outputs this debugging message sometimes; we should @@ -13,168 +25,290 @@ # 'Not enough memory to handle tile data' -class TestFileJpeg2k(PillowTestCase): - - def setUp(self): - if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs: - self.skipTest('JPEG 2000 support not available') - - def roundtrip(self, im, **options): - out = BytesIO() - im.save(out, "JPEG2000", **options) - test_bytes = out.tell() - out.seek(0) - im = Image.open(out) +def roundtrip(im, **options): + out = BytesIO() + im.save(out, "JPEG2000", **options) + test_bytes = out.tell() + out.seek(0) + with Image.open(out) as im: im.bytes = test_bytes # for testing only im.load() - return im + return im + - def test_sanity(self): - # Internal version number - self.assertRegexpMatches(Image.core.jp2klib_version, r'\d+\.\d+\.\d+$') +def test_sanity(): + # Internal version number + assert re.search(r"\d+\.\d+\.\d+$", features.version_codec("jpg_2000")) - im = Image.open('Tests/images/test-card-lossless.jp2') + with Image.open("Tests/images/test-card-lossless.jp2") as im: px = im.load() - self.assertEqual(px[0, 0], (0, 0, 0)) - self.assertEqual(im.mode, 'RGB') - self.assertEqual(im.size, (640, 480)) - self.assertEqual(im.format, 'JPEG2000') + assert px[0, 0] == (0, 0, 0) + assert im.mode == "RGB" + assert im.size == (640, 480) + assert im.format == "JPEG2000" + assert im.get_format_mimetype() == "image/jp2" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - Jpeg2KImagePlugin.Jpeg2KImageFile, invalid_file) +def test_jpf(): + with Image.open("Tests/images/balloon.jpf") as im: + assert im.format == "JPEG2000" + assert im.get_format_mimetype() == "image/jpx" + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + Jpeg2KImagePlugin.Jpeg2KImageFile(invalid_file) - def test_bytesio(self): - with open('Tests/images/test-card-lossless.jp2', 'rb') as f: - data = BytesIO(f.read()) - im = Image.open(data) - im.load() - self.assert_image_similar(im, test_card, 1.0e-3) - # These two test pre-written JPEG 2000 files that were not written with - # PIL (they were made using Adobe Photoshop) +def test_bytesio(): + with open("Tests/images/test-card-lossless.jp2", "rb") as f: + data = BytesIO(f.read()) + assert_image_similar_tofile(test_card, data, 1.0e-3) - def test_lossless(self): - im = Image.open('Tests/images/test-card-lossless.jp2') + +# These two test pre-written JPEG 2000 files that were not written with +# PIL (they were made using Adobe Photoshop) + + +def test_lossless(tmp_path): + with Image.open("Tests/images/test-card-lossless.jp2") as im: im.load() - outfile = self.tempfile('temp_test-card.png') + outfile = str(tmp_path / "temp_test-card.png") im.save(outfile) - self.assert_image_similar(im, test_card, 1.0e-3) + assert_image_similar(im, test_card, 1.0e-3) + + +def test_lossy_tiled(): + assert_image_similar_tofile( + test_card, "Tests/images/test-card-lossy-tiled.jp2", 2.0 + ) + + +def test_lossless_rt(): + im = roundtrip(test_card) + assert_image_equal(im, test_card) + + +def test_lossy_rt(): + im = roundtrip(test_card, quality_layers=[20]) + assert_image_similar(im, test_card, 2.0) + + +def test_tiled_rt(): + im = roundtrip(test_card, tile_size=(128, 128)) + assert_image_equal(im, test_card) - def test_lossy_tiled(self): - im = Image.open('Tests/images/test-card-lossy-tiled.jp2') - im.load() - self.assert_image_similar(im, test_card, 2.0) - def test_lossless_rt(self): - im = self.roundtrip(test_card) - self.assert_image_equal(im, test_card) +def test_tiled_offset_rt(): + im = roundtrip(test_card, tile_size=(128, 128), tile_offset=(0, 0), offset=(32, 32)) + assert_image_equal(im, test_card) - def test_lossy_rt(self): - im = self.roundtrip(test_card, quality_layers=[20]) - self.assert_image_similar(im, test_card, 2.0) - def test_tiled_rt(self): - im = self.roundtrip(test_card, tile_size=(128, 128)) - self.assert_image_equal(im, test_card) +def test_tiled_offset_too_small(): + with pytest.raises(ValueError): + roundtrip(test_card, tile_size=(128, 128), tile_offset=(0, 0), offset=(128, 32)) - def test_tiled_offset_rt(self): - im = self.roundtrip( - test_card, tile_size=(128, 128), - tile_offset=(0, 0), offset=(32, 32)) - self.assert_image_equal(im, test_card) - def test_irreversible_rt(self): - im = self.roundtrip(test_card, irreversible=True, quality_layers=[20]) - self.assert_image_similar(im, test_card, 2.0) +def test_irreversible_rt(): + im = roundtrip(test_card, irreversible=True, quality_layers=[20]) + assert_image_similar(im, test_card, 2.0) - def test_prog_qual_rt(self): - im = self.roundtrip( - test_card, quality_layers=[60, 40, 20], progression='LRCP') - self.assert_image_similar(im, test_card, 2.0) - def test_prog_res_rt(self): - im = self.roundtrip(test_card, num_resolutions=8, progression='RLCP') - self.assert_image_equal(im, test_card) +def test_prog_qual_rt(): + im = roundtrip(test_card, quality_layers=[60, 40, 20], progression="LRCP") + assert_image_similar(im, test_card, 2.0) + + +def test_prog_res_rt(): + im = roundtrip(test_card, num_resolutions=8, progression="RLCP") + assert_image_equal(im, test_card) + + +def test_default_num_resolutions(): + for num_resolutions in range(2, 6): + d = 1 << (num_resolutions - 1) + im = test_card.resize((d - 1, d - 1)) + with pytest.raises(OSError): + roundtrip(im, num_resolutions=num_resolutions) + reloaded = roundtrip(im) + assert_image_equal(im, reloaded) + + +def test_reduce(): + with Image.open("Tests/images/test-card-lossless.jp2") as im: + assert callable(im.reduce) - def test_reduce(self): - im = Image.open('Tests/images/test-card-lossless.jp2') im.reduce = 2 + assert im.reduce == 2 + im.load() - self.assertEqual(im.size, (160, 120)) + assert im.size == (160, 120) - def test_layers(self): - out = BytesIO() - test_card.save(out, 'JPEG2000', quality_layers=[100, 50, 10], - progression='LRCP') - out.seek(0) + im.thumbnail((40, 40)) + assert im.size == (40, 30) - im = Image.open(out) - im.layers = 1 - im.load() - self.assert_image_similar(im, test_card, 13) - out.seek(0) - im = Image.open(out) - im.layers = 3 - im.load() - self.assert_image_similar(im, test_card, 0.4) +def test_load_dpi(): + with Image.open("Tests/images/test-card-lossless.jp2") as im: + assert im.info["dpi"] == (71.9836, 71.9836) - def test_rgba(self): - # Arrange - j2k = Image.open('Tests/images/rgb_trns_ycbc.j2k') - jp2 = Image.open('Tests/images/rgb_trns_ycbc.jp2') + with Image.open("Tests/images/zero_dpi.jp2") as im: + assert "dpi" not in im.info - # Act - j2k.load() - jp2.load() - # Assert - self.assertEqual(j2k.mode, 'RGBA') - self.assertEqual(jp2.mode, 'RGBA') +def test_restricted_icc_profile(): + ImageFile.LOAD_TRUNCATED_IMAGES = True + try: + # JPEG2000 image with a restricted ICC profile and a known colorspace + with Image.open("Tests/images/balloon_eciRGBv2_aware.jp2") as im: + assert im.mode == "RGB" + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False - def test_16bit_monochrome_has_correct_mode(self): - j2k = Image.open('Tests/images/16bit.cropped.j2k') - jp2 = Image.open('Tests/images/16bit.cropped.jp2') +def test_header_errors(): + for path in ( + "Tests/images/invalid_header_length.jp2", + "Tests/images/not_enough_data.jp2", + ): + with pytest.raises(UnidentifiedImageError): + with Image.open(path): + pass - j2k.load() - jp2.load() + with pytest.raises(OSError): + with Image.open("Tests/images/expected_to_read.jp2"): + pass + + +def test_layers_type(tmp_path): + outfile = str(tmp_path / "temp_layers.jp2") + for quality_layers in [[100, 50, 10], (100, 50, 10), None]: + test_card.save(outfile, quality_layers=quality_layers) + + for quality_layers in ["quality_layers", ("100", "50", "10")]: + with pytest.raises(ValueError): + test_card.save(outfile, quality_layers=quality_layers) - self.assertEqual(j2k.mode, 'I;16') - self.assertEqual(jp2.mode, 'I;16') - def test_16bit_monchrome_jp2_like_tiff(self): +def test_layers(): + out = BytesIO() + test_card.save(out, "JPEG2000", quality_layers=[100, 50, 10], progression="LRCP") + out.seek(0) - tiff_16bit = Image.open('Tests/images/16bit.cropped.tif') - jp2 = Image.open('Tests/images/16bit.cropped.jp2') - self.assert_image_similar(jp2, tiff_16bit, 1e-3) + with Image.open(out) as im: + im.layers = 1 + im.load() + assert_image_similar(im, test_card, 13) - def test_16bit_monchrome_j2k_like_tiff(self): + out.seek(0) + with Image.open(out) as im: + im.layers = 3 + im.load() + assert_image_similar(im, test_card, 0.4) - tiff_16bit = Image.open('Tests/images/16bit.cropped.tif') - j2k = Image.open('Tests/images/16bit.cropped.j2k') - self.assert_image_similar(j2k, tiff_16bit, 1e-3) - def test_16bit_j2k_roundtrips(self): +def test_rgba(): + # Arrange + with Image.open("Tests/images/rgb_trns_ycbc.j2k") as j2k: + with Image.open("Tests/images/rgb_trns_ycbc.jp2") as jp2: - j2k = Image.open('Tests/images/16bit.cropped.j2k') - im = self.roundtrip(j2k) - self.assert_image_equal(im, j2k) + # Act + j2k.load() + jp2.load() - def test_16bit_jp2_roundtrips(self): + # Assert + assert j2k.mode == "RGBA" + assert jp2.mode == "RGBA" - jp2 = Image.open('Tests/images/16bit.cropped.jp2') - im = self.roundtrip(jp2) - self.assert_image_equal(im, jp2) - def test_unbound_local(self): - # prepatch, a malformed jp2 file could cause an UnboundLocalError - # exception. - with self.assertRaises(IOError): - Image.open('Tests/images/unbound_variable.jp2') +def test_16bit_monochrome_has_correct_mode(): + with Image.open("Tests/images/16bit.cropped.j2k") as j2k: + j2k.load() + assert j2k.mode == "I;16" -if __name__ == '__main__': - unittest.main() + with Image.open("Tests/images/16bit.cropped.jp2") as jp2: + jp2.load() + assert jp2.mode == "I;16" + + +def test_16bit_monochrome_jp2_like_tiff(): + with Image.open("Tests/images/16bit.cropped.tif") as tiff_16bit: + assert_image_similar_tofile(tiff_16bit, "Tests/images/16bit.cropped.jp2", 1e-3) + + +def test_16bit_monochrome_j2k_like_tiff(): + with Image.open("Tests/images/16bit.cropped.tif") as tiff_16bit: + assert_image_similar_tofile(tiff_16bit, "Tests/images/16bit.cropped.j2k", 1e-3) + + +def test_16bit_j2k_roundtrips(): + with Image.open("Tests/images/16bit.cropped.j2k") as j2k: + im = roundtrip(j2k) + assert_image_equal(im, j2k) + + +def test_16bit_jp2_roundtrips(): + with Image.open("Tests/images/16bit.cropped.jp2") as jp2: + im = roundtrip(jp2) + assert_image_equal(im, jp2) + + +def test_unbound_local(): + # prepatch, a malformed jp2 file could cause an UnboundLocalError exception. + with pytest.raises(OSError): + with Image.open("Tests/images/unbound_variable.jp2"): + pass + + +def test_parser_feed(): + # Arrange + with open("Tests/images/test-card-lossless.jp2", "rb") as f: + data = f.read() + + # Act + p = ImageFile.Parser() + p.feed(data) + + # Assert + assert p.image.size == (640, 480) + + +@pytest.mark.skipif( + not os.path.exists(EXTRA_DIR), reason="Extra image files not installed" +) +@pytest.mark.parametrize("name", ("subsampling_1", "subsampling_2", "zoo1", "zoo2")) +def test_subsampling_decode(name): + test = f"{EXTRA_DIR}/{name}.jp2" + reference = f"{EXTRA_DIR}/{name}.ppm" + + with Image.open(test) as im: + epsilon = 3 # for YCbCr images + with Image.open(reference) as im2: + width, height = im2.size + if name[-1] == "2": + # RGB reference images are downscaled + epsilon = 3e-3 + width, height = width * 2, height * 2 + expected = im2.resize((width, height), Image.NEAREST) + assert_image_similar(im, expected, epsilon) + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/crash-4fb027452e6988530aa5dabee76eecacb3b79f8a.j2k", + "Tests/images/crash-7d4c83eb92150fb8f1653a697703ae06ae7c4998.j2k", + "Tests/images/crash-ccca68ff40171fdae983d924e127a721cab2bd50.j2k", + "Tests/images/crash-d2c93af851d3ab9a19e34503626368b2ecde9c03.j2k", + ], +) +def test_crashes(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + # Valgrind should not complain here + try: + im.load() + except OSError: + pass diff --git a/Tests/test_file_libtiff.py b/Tests/test_file_libtiff.py index dc3b1084573..e40a19394bf 100644 --- a/Tests/test_file_libtiff.py +++ b/Tests/test_file_libtiff.py @@ -1,366 +1,532 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase, hopper, py3 -from PIL import features - -from ctypes import c_float +import base64 import io -import logging import itertools import os +import re +from collections import namedtuple +from ctypes import c_float -from PIL import Image, TiffImagePlugin, TiffTags - -logger = logging.getLogger(__name__) +import pytest +from PIL import Image, ImageFilter, TiffImagePlugin, TiffTags, features +from PIL.TiffImagePlugin import SAMPLEFORMAT, STRIPOFFSETS, SUBIFD -class LibTiffTestCase(PillowTestCase): +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + assert_image_similar_tofile, + hopper, + mark_if_feature_version, + skip_unless_feature, +) - def setUp(self): - if not features.check('libtiff'): - self.skipTest("tiff support not available") - def _assert_noerr(self, im): +@skip_unless_feature("libtiff") +class LibTiffTestCase: + def _assert_noerr(self, tmp_path, im): """Helper tests that assert basic sanity about the g4 tiff reading""" # 1 bit - self.assertEqual(im.mode, "1") + assert im.mode == "1" # Does the data actually load im.load() im.getdata() try: - self.assertEqual(im._compression, 'group4') - except: + assert im._compression == "group4" + except AttributeError: print("No _compression") print(dir(im)) # can we write it back out, in a different form. - out = self.tempfile("temp.png") + out = str(tmp_path / "temp.png") im.save(out) out_bytes = io.BytesIO() - im.save(out_bytes, format='tiff', compression='group4') + im.save(out_bytes, format="tiff", compression="group4") class TestFileLibTiff(LibTiffTestCase): + def test_version(self): + assert re.search(r"\d+\.\d+\.\d+$", features.version_codec("libtiff")) - def test_g4_tiff(self): + def test_g4_tiff(self, tmp_path): """Test the ordinary file path load path""" test_file = "Tests/images/hopper_g4_500.tif" - im = Image.open(test_file) + with Image.open(test_file) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) - self.assertEqual(im.size, (500, 500)) - self._assert_noerr(im) - - def test_g4_large(self): + def test_g4_large(self, tmp_path): test_file = "Tests/images/pport_g4.tif" - im = Image.open(test_file) - self._assert_noerr(im) + with Image.open(test_file) as im: + self._assert_noerr(tmp_path, im) - def test_g4_tiff_file(self): + def test_g4_tiff_file(self, tmp_path): """Testing the string load path""" test_file = "Tests/images/hopper_g4_500.tif" - with open(test_file, 'rb') as f: - im = Image.open(f) - - self.assertEqual(im.size, (500, 500)) - self._assert_noerr(im) + with open(test_file, "rb") as f: + with Image.open(f) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) - def test_g4_tiff_bytesio(self): + def test_g4_tiff_bytesio(self, tmp_path): """Testing the stringio loading code path""" test_file = "Tests/images/hopper_g4_500.tif" s = io.BytesIO() - with open(test_file, 'rb') as f: + with open(test_file, "rb") as f: s.write(f.read()) s.seek(0) - im = Image.open(s) + with Image.open(s) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) - self.assertEqual(im.size, (500, 500)) - self._assert_noerr(im) + def test_g4_non_disk_file_object(self, tmp_path): + """Testing loading from non-disk non-BytesIO file object""" + test_file = "Tests/images/hopper_g4_500.tif" + s = io.BytesIO() + with open(test_file, "rb") as f: + s.write(f.read()) + s.seek(0) + r = io.BufferedReader(s) + with Image.open(r) as im: + assert im.size == (500, 500) + self._assert_noerr(tmp_path, im) def test_g4_eq_png(self): - """ Checking that we're actually getting the data that we expect""" - png = Image.open('Tests/images/hopper_bw_500.png') - g4 = Image.open('Tests/images/hopper_g4_500.tif') - - self.assert_image_equal(g4, png) + """Checking that we're actually getting the data that we expect""" + with Image.open("Tests/images/hopper_bw_500.png") as png: + assert_image_equal_tofile(png, "Tests/images/hopper_g4_500.tif") # see https://github.com/python-pillow/Pillow/issues/279 def test_g4_fillorder_eq_png(self): - """ Checking that we're actually getting the data that we expect""" - png = Image.open('Tests/images/g4-fillorder-test.png') - g4 = Image.open('Tests/images/g4-fillorder-test.tif') - - self.assert_image_equal(g4, png) + """Checking that we're actually getting the data that we expect""" + with Image.open("Tests/images/g4-fillorder-test.tif") as g4: + assert_image_equal_tofile(g4, "Tests/images/g4-fillorder-test.png") - def test_g4_write(self): + def test_g4_write(self, tmp_path): """Checking to see that the saved image is the same as what we wrote""" test_file = "Tests/images/hopper_g4_500.tif" - orig = Image.open(test_file) - - out = self.tempfile("temp.tif") - rot = orig.transpose(Image.ROTATE_90) - self.assertEqual(rot.size, (500, 500)) - rot.save(out) + with Image.open(test_file) as orig: + out = str(tmp_path / "temp.tif") + rot = orig.transpose(Image.ROTATE_90) + assert rot.size == (500, 500) + rot.save(out) - reread = Image.open(out) - self.assertEqual(reread.size, (500, 500)) - self._assert_noerr(reread) - self.assert_image_equal(reread, rot) - self.assertEqual(reread.info['compression'], 'group4') + with Image.open(out) as reread: + assert reread.size == (500, 500) + self._assert_noerr(tmp_path, reread) + assert_image_equal(reread, rot) + assert reread.info["compression"] == "group4" - self.assertEqual(reread.info['compression'], orig.info['compression']) + assert reread.info["compression"] == orig.info["compression"] - self.assertNotEqual(orig.tobytes(), reread.tobytes()) + assert orig.tobytes() != reread.tobytes() def test_adobe_deflate_tiff(self): test_file = "Tests/images/tiff_adobe_deflate.tif" - im = Image.open(test_file) - - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (278, 374)) - self.assertEqual( - im.tile[0][:3], ('tiff_adobe_deflate', (0, 0, 278, 374), 0)) - im.load() + with Image.open(test_file) as im: + assert im.mode == "RGB" + assert im.size == (278, 374) + assert im.tile[0][:3] == ("libtiff", (0, 0, 278, 374), 0) + im.load() - self.assert_image_equal_tofile(im, 'Tests/images/tiff_adobe_deflate.png') + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - def test_write_metadata(self): - """ Test metadata writing through libtiff """ + def test_write_metadata(self, tmp_path): + """Test metadata writing through libtiff""" for legacy_api in [False, True]: - img = Image.open('Tests/images/hopper_g4.tif') - f = self.tempfile('temp.tiff') + f = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper_g4.tif") as img: + img.save(f, tiffinfo=img.tag) - img.save(f, tiffinfo=img.tag) - - if legacy_api: - original = img.tag.named() - else: - original = img.tag_v2.named() + if legacy_api: + original = img.tag.named() + else: + original = img.tag_v2.named() # PhotometricInterpretation is set from SAVE_INFO, # not the original image. - ignored = ['StripByteCounts', 'RowsPerStrip', 'PageNumber', - 'PhotometricInterpretation'] - - loaded = Image.open(f) - if legacy_api: - reloaded = loaded.tag.named() - else: - reloaded = loaded.tag_v2.named() - - for tag, value in itertools.chain(reloaded.items(), - original.items()): + ignored = [ + "StripByteCounts", + "RowsPerStrip", + "PageNumber", + "PhotometricInterpretation", + ] + + with Image.open(f) as loaded: + if legacy_api: + reloaded = loaded.tag.named() + else: + reloaded = loaded.tag_v2.named() + + for tag, value in itertools.chain(reloaded.items(), original.items()): if tag not in ignored: val = original[tag] - if tag.endswith('Resolution'): + if tag.endswith("Resolution"): if legacy_api: - self.assertEqual( - c_float(val[0][0] / val[0][1]).value, - c_float(value[0][0] / value[0][1]).value, - msg="%s didn't roundtrip" % tag) + assert ( + c_float(val[0][0] / val[0][1]).value + == c_float(value[0][0] / value[0][1]).value + ), f"{tag} didn't roundtrip" else: - self.assertEqual( - c_float(val).value, c_float(value).value, - msg="%s didn't roundtrip" % tag) + assert ( + c_float(val).value == c_float(value).value + ), f"{tag} didn't roundtrip" else: - self.assertEqual( - val, value, msg="%s didn't roundtrip" % tag) + assert val == value, f"{tag} didn't roundtrip" # https://github.com/python-pillow/Pillow/issues/1561 - requested_fields = ['StripByteCounts', - 'RowsPerStrip', - 'StripOffsets'] + requested_fields = ["StripByteCounts", "RowsPerStrip", "StripOffsets"] for field in requested_fields: - self.assertIn(field, reloaded, "%s not in metadata" % field) + assert field in reloaded, f"{field} not in metadata" - def test_additional_metadata(self): + @pytest.mark.valgrind_known_error(reason="Known invalid metadata") + def test_additional_metadata(self, tmp_path): # these should not crash. Seriously dummy data, most of it doesn't make # any sense, so we're running up against limits where we're asking # libtiff to do stupid things. # Get the list of the ones that we should be able to write - core_items = {tag: info for tag, info in ((s, TiffTags.lookup(s)) for s - in TiffTags.LIBTIFF_CORE) - if info.type is not None} + core_items = { + tag: info + for tag, info in ((s, TiffTags.lookup(s)) for s in TiffTags.LIBTIFF_CORE) + if info.type is not None + } # Exclude ones that have special meaning # that we're already testing them - im = Image.open('Tests/images/hopper_g4.tif') - for tag in im.tag_v2: - try: - del(core_items[tag]) - except: - pass - - # Type codes: - # 2: "ascii", - # 3: "short", - # 4: "long", - # 5: "rational", - # 12: "double", - # type: dummy value - values = {2: 'test', - 3: 1, - 4: 2**20, - 5: TiffImagePlugin.IFDRational(100, 1), - 12: 1.05} - - new_ifd = TiffImagePlugin.ImageFileDirectory_v2() - for tag, info in core_items.items(): - if info.length == 1: - new_ifd[tag] = values[info.type] - if info.length == 0: - new_ifd[tag] = tuple(values[info.type] for _ in range(3)) - else: - new_ifd[tag] = tuple(values[info.type] for _ in range(info.length)) - - # Extra samples really doesn't make sense in this application. - del(new_ifd[338]) - - out = self.tempfile("temp.tif") - TiffImagePlugin.WRITE_LIBTIFF = True + with Image.open("Tests/images/hopper_g4.tif") as im: + for tag in im.tag_v2: + try: + del core_items[tag] + except KeyError: + pass + del core_items[320] # colormap is special, tested below + + # Type codes: + # 2: "ascii", + # 3: "short", + # 4: "long", + # 5: "rational", + # 12: "double", + # Type: dummy value + values = { + 2: "test", + 3: 1, + 4: 2 ** 20, + 5: TiffImagePlugin.IFDRational(100, 1), + 12: 1.05, + } + + new_ifd = TiffImagePlugin.ImageFileDirectory_v2() + for tag, info in core_items.items(): + if info.length == 1: + new_ifd[tag] = values[info.type] + if info.length == 0: + new_ifd[tag] = tuple(values[info.type] for _ in range(3)) + else: + new_ifd[tag] = tuple(values[info.type] for _ in range(info.length)) + + # Extra samples really doesn't make sense in this application. + del new_ifd[338] + + out = str(tmp_path / "temp.tif") + TiffImagePlugin.WRITE_LIBTIFF = True + + im.save(out, tiffinfo=new_ifd) - im.save(out, tiffinfo=new_ifd) + TiffImagePlugin.WRITE_LIBTIFF = False + def test_custom_metadata(self, tmp_path): + tc = namedtuple("test_case", "value,type,supported_by_default") + custom = { + 37000 + k: v + for k, v in enumerate( + [ + tc(4, TiffTags.SHORT, True), + tc(123456789, TiffTags.LONG, True), + tc(-4, TiffTags.SIGNED_BYTE, False), + tc(-4, TiffTags.SIGNED_SHORT, False), + tc(-123456789, TiffTags.SIGNED_LONG, False), + tc(TiffImagePlugin.IFDRational(4, 7), TiffTags.RATIONAL, True), + tc(4.25, TiffTags.FLOAT, True), + tc(4.25, TiffTags.DOUBLE, True), + tc("custom tag value", TiffTags.ASCII, True), + tc(b"custom tag value", TiffTags.BYTE, True), + tc((4, 5, 6), TiffTags.SHORT, True), + tc((123456789, 9, 34, 234, 219387, 92432323), TiffTags.LONG, True), + tc((-4, 9, 10), TiffTags.SIGNED_BYTE, False), + tc((-4, 5, 6), TiffTags.SIGNED_SHORT, False), + tc( + (-123456789, 9, 34, 234, 219387, -92432323), + TiffTags.SIGNED_LONG, + False, + ), + tc((4.25, 5.25), TiffTags.FLOAT, True), + tc((4.25, 5.25), TiffTags.DOUBLE, True), + # array of TIFF_BYTE requires bytes instead of tuple for backwards + # compatibility + tc(bytes([4]), TiffTags.BYTE, True), + tc(bytes((4, 9, 10)), TiffTags.BYTE, True), + ] + ) + } + + libtiffs = [False] + if Image.core.libtiff_support_custom_tags: + libtiffs.append(True) + + for libtiff in libtiffs: + TiffImagePlugin.WRITE_LIBTIFF = libtiff + + def check_tags(tiffinfo): + im = hopper() + + out = str(tmp_path / "temp.tif") + im.save(out, tiffinfo=tiffinfo) + + with Image.open(out) as reloaded: + for tag, value in tiffinfo.items(): + reloaded_value = reloaded.tag_v2[tag] + if ( + isinstance(reloaded_value, TiffImagePlugin.IFDRational) + and libtiff + ): + # libtiff does not support real RATIONALS + assert ( + round(abs(float(reloaded_value) - float(value)), 7) == 0 + ) + continue + + assert reloaded_value == value + + # Test with types + ifd = TiffImagePlugin.ImageFileDirectory_v2() + for tag, tagdata in custom.items(): + ifd[tag] = tagdata.value + ifd.tagtype[tag] = tagdata.type + check_tags(ifd) + + # Test without types. This only works for some types, int for example are + # always encoded as LONG and not SIGNED_LONG. + check_tags( + { + tag: tagdata.value + for tag, tagdata in custom.items() + if tagdata.supported_by_default + } + ) TiffImagePlugin.WRITE_LIBTIFF = False - def test_g3_compression(self): - i = Image.open('Tests/images/hopper_g4_500.tif') - out = self.tempfile("temp.tif") - i.save(out, compression='group3') - - reread = Image.open(out) - self.assertEqual(reread.info['compression'], 'group3') - self.assert_image_equal(reread, i) - - def test_little_endian(self): - im = Image.open('Tests/images/16bit.deflate.tif') - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16') - - b = im.tobytes() - # Bytes are in image native order (little endian) - if py3: - self.assertEqual(b[0], ord(b'\xe0')) - self.assertEqual(b[1], ord(b'\x01')) - else: - self.assertEqual(b[0], b'\xe0') - self.assertEqual(b[1], b'\x01') - - out = self.tempfile("temp.tif") - # out = "temp.le.tif" - im.save(out) - reread = Image.open(out) + def test_subifd(self, tmp_path): + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/g4_orientation_6.tif") as im: + im.tag_v2[SUBIFD] = 10000 - self.assertEqual(reread.info['compression'], im.info['compression']) - self.assertEqual(reread.getpixel((0, 0)), 480) - # UNDONE - libtiff defaults to writing in native endian, so - # on big endian, we'll get back mode = 'I;16B' here. + # Should not segfault + im.save(outfile) + + def test_xmlpacket_tag(self, tmp_path): + TiffImagePlugin.WRITE_LIBTIFF = True - def test_big_endian(self): - im = Image.open('Tests/images/16bit.MM.deflate.tif') + out = str(tmp_path / "temp.tif") + hopper().save(out, tiffinfo={700: b"xmlpacket tag"}) + TiffImagePlugin.WRITE_LIBTIFF = False - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16B') + with Image.open(out) as reloaded: + if 700 in reloaded.tag_v2: + assert reloaded.tag_v2[700] == b"xmlpacket tag" - b = im.tobytes() + def test_int_dpi(self, tmp_path): + # issue #1765 + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + TiffImagePlugin.WRITE_LIBTIFF = True + im.save(out, dpi=(72, 72)) + TiffImagePlugin.WRITE_LIBTIFF = False + with Image.open(out) as reloaded: + assert reloaded.info["dpi"] == (72.0, 72.0) + + def test_g3_compression(self, tmp_path): + with Image.open("Tests/images/hopper_g4_500.tif") as i: + out = str(tmp_path / "temp.tif") + i.save(out, compression="group3") + + with Image.open(out) as reread: + assert reread.info["compression"] == "group3" + assert_image_equal(reread, i) + + def test_little_endian(self, tmp_path): + with Image.open("Tests/images/16bit.deflate.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16" + + b = im.tobytes() + # Bytes are in image native order (little endian) + assert b[0] == ord(b"\xe0") + assert b[1] == ord(b"\x01") + + out = str(tmp_path / "temp.tif") + # out = "temp.le.tif" + im.save(out) + with Image.open(out) as reread: + assert reread.info["compression"] == im.info["compression"] + assert reread.getpixel((0, 0)) == 480 + # UNDONE - libtiff defaults to writing in native endian, so + # on big endian, we'll get back mode = 'I;16B' here. - # Bytes are in image native order (big endian) - if py3: - self.assertEqual(b[0], ord(b'\x01')) - self.assertEqual(b[1], ord(b'\xe0')) - else: - self.assertEqual(b[0], b'\x01') - self.assertEqual(b[1], b'\xe0') + def test_big_endian(self, tmp_path): + with Image.open("Tests/images/16bit.MM.deflate.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16B" - out = self.tempfile("temp.tif") - im.save(out) - reread = Image.open(out) + b = im.tobytes() - self.assertEqual(reread.info['compression'], im.info['compression']) - self.assertEqual(reread.getpixel((0, 0)), 480) + # Bytes are in image native order (big endian) + assert b[0] == ord(b"\x01") + assert b[1] == ord(b"\xe0") - def test_g4_string_info(self): + out = str(tmp_path / "temp.tif") + im.save(out) + with Image.open(out) as reread: + assert reread.info["compression"] == im.info["compression"] + assert reread.getpixel((0, 0)) == 480 + + def test_g4_string_info(self, tmp_path): """Tests String data in info directory""" test_file = "Tests/images/hopper_g4_500.tif" - orig = Image.open(test_file) - - out = self.tempfile("temp.tif") + with Image.open(test_file) as orig: + out = str(tmp_path / "temp.tif") - orig.tag[269] = 'temp.tif' - orig.save(out) + orig.tag[269] = "temp.tif" + orig.save(out) - reread = Image.open(out) - self.assertEqual('temp.tif', reread.tag_v2[269]) - self.assertEqual('temp.tif', reread.tag[269][0]) + with Image.open(out) as reread: + assert "temp.tif" == reread.tag_v2[269] + assert "temp.tif" == reread.tag[269][0] def test_12bit_rawmode(self): - """ Are we generating the same interpretation - of the image as Imagemagick is? """ + """Are we generating the same interpretation + of the image as Imagemagick is?""" TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/12bit.cropped.tif') - im.load() - TiffImagePlugin.READ_LIBTIFF = False - # to make the target -- - # convert 12bit.cropped.tif -depth 16 tmp.tif - # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif - # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, - # so we need to unshift so that the integer values are the same. + with Image.open("Tests/images/12bit.cropped.tif") as im: + im.load() + TiffImagePlugin.READ_LIBTIFF = False + # to make the target -- + # convert 12bit.cropped.tif -depth 16 tmp.tif + # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif + # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, + # so we need to unshift so that the integer values are the same. - self.assert_image_equal_tofile(im, 'Tests/images/12in16bit.tif') + assert_image_equal_tofile(im, "Tests/images/12in16bit.tif") - def test_blur(self): + def test_blur(self, tmp_path): # test case from irc, how to do blur on b/w image # and save to compressed tif. - from PIL import ImageFilter - out = self.tempfile('temp.tif') - im = Image.open('Tests/images/pport_g4.tif') - im = im.convert('L') + out = str(tmp_path / "temp.tif") + with Image.open("Tests/images/pport_g4.tif") as im: + im = im.convert("L") im = im.filter(ImageFilter.GaussianBlur(4)) - im.save(out, compression='tiff_adobe_deflate') - - im2 = Image.open(out) - im2.load() + im.save(out, compression="tiff_adobe_deflate") - self.assert_image_equal(im, im2) + assert_image_equal_tofile(im, out) - def test_compressions(self): - im = hopper('RGB') - out = self.tempfile('temp.tif') + def test_compressions(self, tmp_path): + # Test various tiff compressions and assert similar image content but reduced + # file sizes. + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + im.save(out) + size_raw = os.path.getsize(out) - for compression in ('packbits', 'tiff_lzw'): + for compression in ("packbits", "tiff_lzw"): im.save(out, compression=compression) - im2 = Image.open(out) - self.assert_image_equal(im, im2) - - im.save(out, compression='jpeg') - im2 = Image.open(out) - self.assert_image_similar(im, im2, 30) + size_compressed = os.path.getsize(out) + assert_image_equal_tofile(im, out) + + im.save(out, compression="jpeg") + size_jpeg = os.path.getsize(out) + with Image.open(out) as im2: + assert_image_similar(im, im2, 30) + + im.save(out, compression="jpeg", quality=30) + size_jpeg_30 = os.path.getsize(out) + assert_image_similar_tofile(im2, out, 30) + + assert size_raw > size_compressed + assert size_compressed > size_jpeg + assert size_jpeg > size_jpeg_30 + + def test_tiff_jpeg_compression(self, tmp_path): + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + im.save(out, compression="tiff_jpeg") + + with Image.open(out) as reloaded: + assert reloaded.info["compression"] == "jpeg" + + def test_tiff_deflate_compression(self, tmp_path): + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + im.save(out, compression="tiff_deflate") + + with Image.open(out) as reloaded: + assert reloaded.info["compression"] == "tiff_adobe_deflate" + + def test_quality(self, tmp_path): + im = hopper("RGB") + out = str(tmp_path / "temp.tif") + + with pytest.raises(ValueError): + im.save(out, compression="tiff_lzw", quality=50) + with pytest.raises(ValueError): + im.save(out, compression="jpeg", quality=-1) + with pytest.raises(ValueError): + im.save(out, compression="jpeg", quality=101) + with pytest.raises(ValueError): + im.save(out, compression="jpeg", quality="good") + im.save(out, compression="jpeg", quality=0) + im.save(out, compression="jpeg", quality=100) + + def test_cmyk_save(self, tmp_path): + im = hopper("CMYK") + out = str(tmp_path / "temp.tif") + + im.save(out, compression="tiff_adobe_deflate") + assert_image_equal_tofile(im, out) + + def test_palette_save(self, tmp_path): + im = hopper("P") + out = str(tmp_path / "temp.tif") - def test_cmyk_save(self): - im = hopper('CMYK') - out = self.tempfile('temp.tif') + TiffImagePlugin.WRITE_LIBTIFF = True + im.save(out) + TiffImagePlugin.WRITE_LIBTIFF = False - im.save(out, compression='tiff_adobe_deflate') - im2 = Image.open(out) - self.assert_image_equal(im, im2) + with Image.open(out) as reloaded: + # colormap/palette tag + assert len(reloaded.tag_v2[320]) == 768 - def xtest_bw_compression_w_rgb(self): - """ This test passes, but when running all tests causes a failure due - to output on stderr from the error thrown by libtiff. We need to - capture that but not now""" + def xtest_bw_compression_w_rgb(self, tmp_path): + """This test passes, but when running all tests causes a failure due + to output on stderr from the error thrown by libtiff. We need to + capture that but not now""" - im = hopper('RGB') - out = self.tempfile('temp.tif') + im = hopper("RGB") + out = str(tmp_path / "temp.tif") - self.assertRaises(IOError, im.save, out, compression='tiff_ccitt') - self.assertRaises(IOError, im.save, out, compression='group3') - self.assertRaises(IOError, im.save, out, compression='group4') + with pytest.raises(OSError): + im.save(out, compression="tiff_ccitt") + with pytest.raises(OSError): + im.save(out, compression="group3") + with pytest.raises(OSError): + im.save(out, compression="group4") def test_fp_leak(self): im = Image.open("Tests/images/hopper_g4_500.tif") @@ -368,53 +534,67 @@ def test_fp_leak(self): os.fstat(fn) im.load() # this should close it. - self.assertRaises(OSError, os.fstat, fn) + with pytest.raises(OSError): + os.fstat(fn) im = None # this should force even more closed. - self.assertRaises(OSError, os.fstat, fn) - self.assertRaises(OSError, os.close, fn) + with pytest.raises(OSError): + os.fstat(fn) + with pytest.raises(OSError): + os.close(fn) def test_multipage(self): # issue #862 TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/multipage.tiff') - # file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue + with Image.open("Tests/images/multipage.tiff") as im: + # file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue - im.seek(0) - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 128, 0)) - self.assertTrue(im.tag.next) + im.seek(0) + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) + assert im.tag.next - im.seek(1) - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (255, 0, 0)) - self.assertTrue(im.tag.next) + im.seek(1) + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0) + assert im.tag.next - im.seek(2) - self.assertFalse(im.tag.next) - self.assertEqual(im.size, (20, 20)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255)) + im.seek(2) + assert not im.tag.next + assert im.size == (20, 20) + assert im.convert("RGB").getpixel((0, 0)) == (0, 0, 255) TiffImagePlugin.READ_LIBTIFF = False def test_multipage_nframes(self): # issue #862 TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/multipage.tiff') - frames = im.n_frames - self.assertEqual(frames, 3) - for idx in range(frames): - im.seek(0) - # Should not raise ValueError: I/O operation on closed file + with Image.open("Tests/images/multipage.tiff") as im: + frames = im.n_frames + assert frames == 3 + for _ in range(frames): + im.seek(0) + # Should not raise ValueError: I/O operation on closed file + im.load() + + TiffImagePlugin.READ_LIBTIFF = False + + def test_multipage_seek_backwards(self): + TiffImagePlugin.READ_LIBTIFF = True + with Image.open("Tests/images/multipage.tiff") as im: + im.seek(1) im.load() + im.seek(0) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) + TiffImagePlugin.READ_LIBTIFF = False def test__next(self): TiffImagePlugin.READ_LIBTIFF = True - im = Image.open('Tests/images/hopper.tif') - self.assertFalse(im.tag.next) - im.load() - self.assertFalse(im.tag.next) + with Image.open("Tests/images/hopper.tif") as im: + assert not im.tag.next + im.load() + assert not im.tag.next def test_4bit(self): # Arrange @@ -423,13 +603,13 @@ def test_4bit(self): # Act TiffImagePlugin.READ_LIBTIFF = True - im = Image.open(test_file) - TiffImagePlugin.READ_LIBTIFF = False + with Image.open(test_file) as im: + TiffImagePlugin.READ_LIBTIFF = False - # Assert - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, 7.3) + # Assert + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, 7.3) def test_gray_semibyte_per_pixel(self): test_files = ( @@ -440,7 +620,7 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper2I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2IR.tif", - ) + ), ), ( 7.3, # epsilon @@ -449,20 +629,20 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper4I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4IR.tif", - ) + ), ), ) original = hopper("L") for epsilon, group in test_files: - im = Image.open(group[0]) - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, epsilon) + with Image.open(group[0]) as im: + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, epsilon) for file in group[1:]: - im2 = Image.open(file) - self.assertEqual(im2.size, (128, 128)) - self.assertEqual(im2.mode, "L") - self.assert_image_equal(im, im2) + with Image.open(file) as im2: + assert im2.size == (128, 128) + assert im2.mode == "L" + assert_image_equal(im, im2) def test_save_bytesio(self): # PR 1011 @@ -480,143 +660,378 @@ def save_bytesio(compression=None): pilim.save(buffer_io, format="tiff", compression=compression) buffer_io.seek(0) - pilim_load = Image.open(buffer_io) - self.assert_image_similar(pilim, pilim_load, 0) + assert_image_similar_tofile(pilim, buffer_io, 0) - # save_bytesio() - save_bytesio('raw') + save_bytesio() + save_bytesio("raw") save_bytesio("packbits") save_bytesio("tiff_lzw") TiffImagePlugin.WRITE_LIBTIFF = False TiffImagePlugin.READ_LIBTIFF = False - def test_crashing_metadata(self): + def test_save_ycbcr(self, tmp_path): + im = hopper("YCbCr") + outfile = str(tmp_path / "temp.tif") + im.save(outfile, compression="jpeg") + + with Image.open(outfile) as reloaded: + assert reloaded.tag_v2[530] == (1, 1) + assert reloaded.tag_v2[532] == (0, 255, 128, 255, 128, 255) + + def test_crashing_metadata(self, tmp_path): # issue 1597 - im = Image.open('Tests/images/rdf.tif') - out = self.tempfile('temp.tif') + with Image.open("Tests/images/rdf.tif") as im: + out = str(tmp_path / "temp.tif") - TiffImagePlugin.WRITE_LIBTIFF = True - # this shouldn't crash - im.save(out, format='TIFF') + TiffImagePlugin.WRITE_LIBTIFF = True + # this shouldn't crash + im.save(out, format="TIFF") TiffImagePlugin.WRITE_LIBTIFF = False - def test_page_number_x_0(self): + def test_page_number_x_0(self, tmp_path): # Issue 973 # Test TIFF with tag 297 (Page Number) having value of 0 0. # The first number is the current page number. # The second is the total number of pages, zero means not available. - outfile = self.tempfile("temp.tif") + outfile = str(tmp_path / "temp.tif") # Created by printing a page in Chrome to PDF, then: # /usr/bin/gs -q -sDEVICE=tiffg3 -sOutputFile=total-pages-zero.tif # -dNOPAUSE /tmp/test.pdf -c quit infile = "Tests/images/total-pages-zero.tif" - im = Image.open(infile) - # Should not divide by zero - im.save(outfile) + with Image.open(infile) as im: + # Should not divide by zero + im.save(outfile) - def test_fd_duplication(self): + def test_fd_duplication(self, tmp_path): # https://github.com/python-pillow/Pillow/issues/1651 - tmpfile = self.tempfile("temp.tif") - with open(tmpfile, 'wb') as f: - with open("Tests/images/g4-multi.tiff", 'rb') as src: + tmpfile = str(tmp_path / "temp.tif") + with open(tmpfile, "wb") as f: + with open("Tests/images/g4-multi.tiff", "rb") as src: f.write(src.read()) im = Image.open(tmpfile) - count = im.n_frames + im.n_frames im.close() - try: - os.remove(tmpfile) # Windows PermissionError here! - except: - self.fail("Should not get permission error here") + # Should not raise PermissionError. + os.remove(tmpfile) def test_read_icc(self): with Image.open("Tests/images/hopper.iccprofile.tif") as img: - icc = img.info.get('icc_profile') - self.assertNotEqual(icc, None) + icc = img.info.get("icc_profile") + assert icc is not None TiffImagePlugin.READ_LIBTIFF = True with Image.open("Tests/images/hopper.iccprofile.tif") as img: - icc_libtiff = img.info.get('icc_profile') - self.assertNotEqual(icc_libtiff, None) + icc_libtiff = img.info.get("icc_profile") + assert icc_libtiff is not None TiffImagePlugin.READ_LIBTIFF = False - self.assertEqual(icc, icc_libtiff) + assert icc == icc_libtiff + + def test_write_icc(self, tmp_path): + def check_write(libtiff): + TiffImagePlugin.WRITE_LIBTIFF = libtiff + + with Image.open("Tests/images/hopper.iccprofile.tif") as img: + icc_profile = img.info["icc_profile"] + + out = str(tmp_path / "temp.tif") + img.save(out, icc_profile=icc_profile) + with Image.open(out) as reloaded: + assert icc_profile == reloaded.info["icc_profile"] + + libtiffs = [] + if Image.core.libtiff_support_custom_tags: + libtiffs.append(True) + libtiffs.append(False) + + for libtiff in libtiffs: + check_write(libtiff) def test_multipage_compression(self): - im = Image.open('Tests/images/compression.tif') + with Image.open("Tests/images/compression.tif") as im: - im.seek(0) - self.assertEqual(im._compression, 'tiff_ccitt') - self.assertEqual(im.size, (10, 10)) + im.seek(0) + assert im._compression == "tiff_ccitt" + assert im.size == (10, 10) - im.seek(1) - self.assertEqual(im._compression, 'packbits') - self.assertEqual(im.size, (10, 10)) - im.load() + im.seek(1) + assert im._compression == "packbits" + assert im.size == (10, 10) + im.load() - im.seek(0) - self.assertEqual(im._compression, 'tiff_ccitt') - self.assertEqual(im.size, (10, 10)) - im.load() + im.seek(0) + assert im._compression == "tiff_ccitt" + assert im.size == (10, 10) + im.load() - def test_save_tiff_with_jpegtables(self): + def test_save_tiff_with_jpegtables(self, tmp_path): # Arrange - outfile = self.tempfile("temp.tif") + outfile = str(tmp_path / "temp.tif") # Created with ImageMagick: convert hopper.jpg hopper_jpg.tif # Contains JPEGTables (347) tag infile = "Tests/images/hopper_jpg.tif" - im = Image.open(infile) + with Image.open(infile) as im: + # Act / Assert + # Should not raise UnicodeDecodeError or anything else + im.save(outfile) + + def test_16bit_RGB_tiff(self): + with Image.open("Tests/images/tiff_16bit_RGB.tiff") as im: + assert im.mode == "RGB" + assert im.size == (100, 40) + assert im.tile, [ + ( + "libtiff", + (0, 0, 100, 40), + 0, + ("RGB;16N", "tiff_adobe_deflate", False, 8), + ) + ] + im.load() - # Act / Assert - # Should not raise UnicodeDecodeError or anything else - im.save(outfile) + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGB_target.png") def test_16bit_RGBa_tiff(self): - im = Image.open("Tests/images/tiff_16bit_RGBa.tiff") - - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (100, 40)) - self.assertEqual(im.tile, [('tiff_lzw', (0, 0, 100, 40), 0, ('RGBa;16N', 'tiff_lzw', False))]) - im.load() + with Image.open("Tests/images/tiff_16bit_RGBa.tiff") as im: + assert im.mode == "RGBA" + assert im.size == (100, 40) + assert im.tile, [ + ("libtiff", (0, 0, 100, 40), 0, ("RGBa;16N", "tiff_lzw", False, 38236)) + ] + im.load() - self.assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + @skip_unless_feature("jpg") def test_gimp_tiff(self): # Read TIFF JPEG images from GIMP [@PIL168] - - codecs = dir(Image.core) - if "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") - filename = "Tests/images/pil168.tif" - im = Image.open(filename) - - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (256, 256)) - self.assertEqual( - im.tile, [('jpeg', (0, 0, 256, 256), 0, ('RGB', 'jpeg', False))] - ) - im.load() + with Image.open(filename) as im: + assert im.mode == "RGB" + assert im.size == (256, 256) + assert im.tile == [ + ("libtiff", (0, 0, 256, 256), 0, ("RGB", "jpeg", False, 5122)) + ] + im.load() - self.assert_image_equal_tofile(im, "Tests/images/pil168.png") + assert_image_equal_tofile(im, "Tests/images/pil168.png") def test_sampleformat(self): # https://github.com/python-pillow/Pillow/issues/1466 - im = Image.open("Tests/images/copyleft.tiff") - self.assertEqual(im.mode, 'RGB') + with Image.open("Tests/images/copyleft.tiff") as im: + assert im.mode == "RGB" - self.assert_image_equal_tofile(im, "Tests/images/copyleft.png", mode='RGB') + assert_image_equal_tofile(im, "Tests/images/copyleft.png", mode="RGB") + + def test_sampleformat_write(self, tmp_path): + im = Image.new("F", (1, 1)) + out = str(tmp_path / "temp.tif") + TiffImagePlugin.WRITE_LIBTIFF = True + im.save(out) + TiffImagePlugin.WRITE_LIBTIFF = False + + with Image.open(out) as reloaded: + assert reloaded.mode == "F" + assert reloaded.getexif()[SAMPLEFORMAT] == 3 def test_lzw(self): - im = Image.open("Tests/images/hopper_lzw.tif") + with Image.open("Tests/images/hopper_lzw.tif") as im: + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "TIFF" + im2 = hopper() + assert_image_similar(im, im2, 5) + + def test_strip_cmyk_jpeg(self): + infile = "Tests/images/tiff_strip_cmyk_jpeg.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/pil_sample_cmyk.jpg", 0.5) + + def test_strip_cmyk_16l_jpeg(self): + infile = "Tests/images/tiff_strip_cmyk_16l_jpeg.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/pil_sample_cmyk.jpg", 0.5) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_strip_ycbcr_jpeg_2x2_sampling(self): + infile = "Tests/images/tiff_strip_ycbcr_jpeg_2x2_sampling.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/flower.jpg", 0.5) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_strip_ycbcr_jpeg_1x1_sampling(self): + infile = "Tests/images/tiff_strip_ycbcr_jpeg_1x1_sampling.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/flower2.jpg") + + def test_tiled_cmyk_jpeg(self): + infile = "Tests/images/tiff_tiled_cmyk_jpeg.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/pil_sample_cmyk.jpg", 0.5) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_tiled_ycbcr_jpeg_1x1_sampling(self): + infile = "Tests/images/tiff_tiled_ycbcr_jpeg_1x1_sampling.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/flower2.jpg") + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_tiled_ycbcr_jpeg_2x2_sampling(self): + infile = "Tests/images/tiff_tiled_ycbcr_jpeg_2x2_sampling.tif" + with Image.open(infile) as im: + assert_image_similar_tofile(im, "Tests/images/flower.jpg", 0.5) + + def test_strip_planar_rgb(self): + # gdal_translate -co TILED=no -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_strip_raw.tif tiff_strip_planar_lzw.tiff + infile = "Tests/images/tiff_strip_planar_lzw.tiff" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") + + def test_tiled_planar_rgb(self): + # gdal_translate -co TILED=yes -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_tiled_raw.tif tiff_tiled_planar_lzw.tiff + infile = "Tests/images/tiff_tiled_planar_lzw.tiff" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") + + def test_tiled_planar_16bit_RGB(self): + # gdal_translate -co TILED=yes -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_16bit_RGB.tiff tiff_tiled_planar_16bit_RGB.tiff + with Image.open("Tests/images/tiff_tiled_planar_16bit_RGB.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGB_target.png") + + def test_strip_planar_16bit_RGB(self): + # gdal_translate -co TILED=no -co INTERLEAVE=BAND -co COMPRESS=LZW \ + # tiff_16bit_RGB.tiff tiff_strip_planar_16bit_RGB.tiff + with Image.open("Tests/images/tiff_strip_planar_16bit_RGB.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGB_target.png") + + def test_tiled_planar_16bit_RGBa(self): + # gdal_translate -co TILED=yes \ + # -co INTERLEAVE=BAND -co COMPRESS=LZW -co ALPHA=PREMULTIPLIED \ + # tiff_16bit_RGBa.tiff tiff_tiled_planar_16bit_RGBa.tiff + with Image.open("Tests/images/tiff_tiled_planar_16bit_RGBa.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + + def test_strip_planar_16bit_RGBa(self): + # gdal_translate -co TILED=no \ + # -co INTERLEAVE=BAND -co COMPRESS=LZW -co ALPHA=PREMULTIPLIED \ + # tiff_16bit_RGBa.tiff tiff_strip_planar_16bit_RGBa.tiff + with Image.open("Tests/images/tiff_strip_planar_16bit_RGBa.tiff") as im: + assert_image_equal_tofile(im, "Tests/images/tiff_16bit_RGBa_target.png") + + @pytest.mark.parametrize("compression", (None, "jpeg")) + def test_block_tile_tags(self, compression, tmp_path): + im = hopper() + out = str(tmp_path / "temp.tif") + + tags = { + TiffImagePlugin.TILEWIDTH: 256, + TiffImagePlugin.TILELENGTH: 256, + TiffImagePlugin.TILEOFFSETS: 256, + TiffImagePlugin.TILEBYTECOUNTS: 256, + } + im.save(out, exif=tags, compression=compression) + + with Image.open(out) as reloaded: + for tag in tags.keys(): + assert tag not in reloaded.getexif() + + def test_old_style_jpeg(self): + with Image.open("Tests/images/old-style-jpeg-compression.tif") as im: + assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png") + + def test_open_missing_samplesperpixel(self): + with Image.open( + "Tests/images/old-style-jpeg-compression-no-samplesperpixel.tif" + ) as im: + assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png") + + def test_no_rows_per_strip(self): + # This image does not have a RowsPerStrip TIFF tag + infile = "Tests/images/no_rows_per_strip.tif" + with Image.open(infile) as im: + im.load() + assert im.size == (950, 975) + + def test_orientation(self): + with Image.open("Tests/images/g4_orientation_1.tif") as base_im: + for i in range(2, 9): + with Image.open("Tests/images/g4_orientation_" + str(i) + ".tif") as im: + im.load() + + assert_image_similar(base_im, im, 0.7) + + @pytest.mark.valgrind_known_error(reason="Backtrace in Python Core") + def test_sampleformat_not_corrupted(self): + # Assert that a TIFF image with SampleFormat=UINT tag is not corrupted + # when saving to a new file. + # Pillow 6.0 fails with "OSError: cannot identify image file". + tiff = io.BytesIO( + base64.b64decode( + b"SUkqAAgAAAAPAP4ABAABAAAAAAAAAAABBAABAAAAAQAAAAEBBAABAAAAAQAA" + b"AAIBAwADAAAAwgAAAAMBAwABAAAACAAAAAYBAwABAAAAAgAAABEBBAABAAAA" + b"4AAAABUBAwABAAAAAwAAABYBBAABAAAAAQAAABcBBAABAAAACwAAABoBBQAB" + b"AAAAyAAAABsBBQABAAAA0AAAABwBAwABAAAAAQAAACgBAwABAAAAAQAAAFMB" + b"AwADAAAA2AAAAAAAAAAIAAgACAABAAAAAQAAAAEAAAABAAAAAQABAAEAAAB4" + b"nGNgYAAAAAMAAQ==" + ) + ) + out = io.BytesIO() + with Image.open(tiff) as im: + im.save(out, format="tiff") + out.seek(0) + with Image.open(out) as im: + im.load() + + def test_realloc_overflow(self): + TiffImagePlugin.READ_LIBTIFF = True + with Image.open("Tests/images/tiff_overflow_rows_per_strip.tif") as im: + with pytest.raises(OSError) as e: + im.load() + + # Assert that the error code is IMAGING_CODEC_MEMORY + assert str(e.value) == "-9" + TiffImagePlugin.READ_LIBTIFF = False - self.assertEqual(im.mode, 'RGB') - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "TIFF") - im2 = hopper() - self.assert_image_similar(im, im2, 5) + @pytest.mark.parametrize("compression", ("tiff_adobe_deflate", "jpeg")) + def test_save_multistrip(self, compression, tmp_path): + im = hopper("RGB").resize((256, 256)) + out = str(tmp_path / "temp.tif") + im.save(out, compression=compression) + with Image.open(out) as im: + # Assert that there are multiple strips + assert len(im.tag_v2[STRIPOFFSETS]) > 1 -if __name__ == '__main__': - unittest.main() + def test_save_single_strip(self, tmp_path): + im = hopper("RGB").resize((256, 256)) + out = str(tmp_path / "temp.tif") + + TiffImagePlugin.STRIP_SIZE = 2 ** 18 + try: + + im.save(out, compression="tiff_adobe_deflate") + + with Image.open(out) as im: + assert len(im.tag_v2[STRIPOFFSETS]) == 1 + finally: + TiffImagePlugin.STRIP_SIZE = 65536 + + @pytest.mark.parametrize("compression", ("tiff_adobe_deflate", None)) + def test_save_zero(self, compression, tmp_path): + im = Image.new("RGB", (0, 0)) + out = str(tmp_path / "temp.tif") + with pytest.raises(SystemError): + im.save(out, compression=compression) diff --git a/Tests/test_file_libtiff_small.py b/Tests/test_file_libtiff_small.py index c402673d826..03137c8b603 100644 --- a/Tests/test_file_libtiff_small.py +++ b/Tests/test_file_libtiff_small.py @@ -1,52 +1,44 @@ -from helper import unittest +from io import BytesIO from PIL import Image -from test_file_libtiff import LibTiffTestCase +from .test_file_libtiff import LibTiffTestCase class TestFileLibTiffSmall(LibTiffTestCase): - """ The small lena image was failing on open in the libtiff - decoder because the file pointer was set to the wrong place - by a spurious seek. It wasn't failing with the byteio method. + """The small lena image was failing on open in the libtiff + decoder because the file pointer was set to the wrong place + by a spurious seek. It wasn't failing with the byteio method. - It was fixed by forcing an lseek to the beginning of the - file just before reading in libtiff. These tests remain - to ensure that it stays fixed. """ + It was fixed by forcing an lseek to the beginning of the + file just before reading in libtiff. These tests remain + to ensure that it stays fixed.""" - def test_g4_hopper_file(self): + def test_g4_hopper_file(self, tmp_path): """Testing the open file load path""" test_file = "Tests/images/hopper_g4.tif" - with open(test_file, 'rb') as f: - im = Image.open(f) + with open(test_file, "rb") as f: + with Image.open(f) as im: + assert im.size == (128, 128) + self._assert_noerr(tmp_path, im) - self.assertEqual(im.size, (128, 128)) - self._assert_noerr(im) - - def test_g4_hopper_bytesio(self): + def test_g4_hopper_bytesio(self, tmp_path): """Testing the bytesio loading code path""" - from io import BytesIO test_file = "Tests/images/hopper_g4.tif" s = BytesIO() - with open(test_file, 'rb') as f: + with open(test_file, "rb") as f: s.write(f.read()) s.seek(0) - im = Image.open(s) - - self.assertEqual(im.size, (128, 128)) - self._assert_noerr(im) + with Image.open(s) as im: + assert im.size == (128, 128) + self._assert_noerr(tmp_path, im) - def test_g4_hopper(self): + def test_g4_hopper(self, tmp_path): """The 128x128 lena image failed for some reason.""" test_file = "Tests/images/hopper_g4.tif" - im = Image.open(test_file) - - self.assertEqual(im.size, (128, 128)) - self._assert_noerr(im) - - -if __name__ == '__main__': - unittest.main() + with Image.open(test_file) as im: + assert im.size == (128, 128) + self._assert_noerr(tmp_path, im) diff --git a/Tests/test_file_mcidas.py b/Tests/test_file_mcidas.py index 491d8ea03b2..41f22cf0c7d 100644 --- a/Tests/test_file_mcidas.py +++ b/Tests/test_file_mcidas.py @@ -1,34 +1,30 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image, McIdasImagePlugin +from .helper import assert_image_equal_tofile -class TestFileMcIdas(PillowTestCase): - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - McIdasImagePlugin.McIdasImageFile, invalid_file) + with pytest.raises(SyntaxError): + McIdasImagePlugin.McIdasImageFile(invalid_file) - def test_valid_file(self): - # Arrange - # https://ghrc.nsstc.nasa.gov/hydro/details/cmx3g8 - # https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/camex3/cmx3g8/browse/ - test_file = "Tests/images/cmx3g8_wv_1998.260_0745_mcidas.ara" - saved_file = "Tests/images/cmx3g8_wv_1998.260_0745_mcidas.png" - # Act - im = Image.open(test_file) +def test_valid_file(): + # Arrange + # https://ghrc.nsstc.nasa.gov/hydro/details/cmx3g8 + # https://ghrc.nsstc.nasa.gov/pub/fieldCampaigns/camex3/cmx3g8/browse/ + test_file = "Tests/images/cmx3g8_wv_1998.260_0745_mcidas.ara" + saved_file = "Tests/images/cmx3g8_wv_1998.260_0745_mcidas.png" + + # Act + with Image.open(test_file) as im: im.load() # Assert - self.assertEqual(im.format, "MCIDAS") - self.assertEqual(im.mode, "I") - self.assertEqual(im.size, (1800, 400)) - im2 = Image.open(saved_file) - self.assert_image_equal(im, im2) - - -if __name__ == '__main__': - unittest.main() + assert im.format == "MCIDAS" + assert im.mode == "I" + assert im.size == (1800, 400) + assert_image_equal_tofile(im, saved_file) diff --git a/Tests/test_file_mic.py b/Tests/test_file_mic.py index f4059f9c903..464d138e2af 100644 --- a/Tests/test_file_mic.py +++ b/Tests/test_file_mic.py @@ -1,70 +1,63 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image, ImagePalette, features +from PIL import Image, ImagePalette -try: - from PIL import MicImagePlugin -except ImportError: - olefile_installed = False -else: - olefile_installed = True +from .helper import assert_image_similar, hopper, skip_unless_feature +MicImagePlugin = pytest.importorskip( + "PIL.MicImagePlugin", reason="olefile not installed" +) +pytestmark = skip_unless_feature("libtiff") TEST_FILE = "Tests/images/hopper.mic" -@unittest.skipUnless(olefile_installed, "olefile package not installed") -@unittest.skipUnless(features.check('libtiff'), "libtiff not installed") -class TestFileMic(PillowTestCase): - - def test_sanity(self): - im = Image.open(TEST_FILE) +def test_sanity(): + with Image.open(TEST_FILE) as im: im.load() - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "MIC") + assert im.mode == "RGBA" + assert im.size == (128, 128) + assert im.format == "MIC" # Adjust for the gamma of 2.2 encoded into the file - lut = ImagePalette.make_gamma_lut(1/2.2) - im = Image.merge('RGBA', [chan.point(lut) for chan in im.split()]) + lut = ImagePalette.make_gamma_lut(1 / 2.2) + im = Image.merge("RGBA", [chan.point(lut) for chan in im.split()]) im2 = hopper("RGBA") - self.assert_image_similar(im, im2, 10) + assert_image_similar(im, im2, 10) - def test_n_frames(self): - im = Image.open(TEST_FILE) - self.assertEqual(im.n_frames, 1) +def test_n_frames(): + with Image.open(TEST_FILE) as im: + assert im.n_frames == 1 - def test_is_animated(self): - im = Image.open(TEST_FILE) - self.assertFalse(im.is_animated) +def test_is_animated(): + with Image.open(TEST_FILE) as im: + assert not im.is_animated - def test_tell(self): - im = Image.open(TEST_FILE) - self.assertEqual(im.tell(), 0) +def test_tell(): + with Image.open(TEST_FILE) as im: + assert im.tell() == 0 - def test_seek(self): - im = Image.open(TEST_FILE) +def test_seek(): + with Image.open(TEST_FILE) as im: im.seek(0) - self.assertEqual(im.tell(), 0) - - self.assertRaises(EOFError, im.seek, 99) - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 - def test_invalid_file(self): - # Test an invalid OLE file - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - MicImagePlugin.MicImageFile, invalid_file) + with pytest.raises(EOFError): + im.seek(99) + assert im.tell() == 0 - # Test a valid OLE file, but not a MIC file - ole_file = "Tests/images/test-ole-file.doc" - self.assertRaises(SyntaxError, - MicImagePlugin.MicImageFile, ole_file) +def test_invalid_file(): + # Test an invalid OLE file + invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + MicImagePlugin.MicImageFile(invalid_file) -if __name__ == '__main__': - unittest.main() + # Test a valid OLE file, but not a MIC file + ole_file = "Tests/images/test-ole-file.doc" + with pytest.raises(SyntaxError): + MicImagePlugin.MicImageFile(ole_file) diff --git a/Tests/test_file_mpo.py b/Tests/test_file_mpo.py index 70bb9b10544..9de09645856 100644 --- a/Tests/test_file_mpo.py +++ b/Tests/test_file_mpo.py @@ -1,142 +1,232 @@ -from helper import unittest, PillowTestCase from io import BytesIO + +import pytest + from PIL import Image +from .helper import assert_image_similar, is_pypy, skip_unless_feature test_files = ["Tests/images/sugarshack.mpo", "Tests/images/frozenpond.mpo"] +pytestmark = skip_unless_feature("jpg") -class TestFileMpo(PillowTestCase): - def setUp(self): - codecs = dir(Image.core) - if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") +def frame_roundtrip(im, **options): + # Note that for now, there is no MPO saving functionality + out = BytesIO() + im.save(out, "MPO", **options) + test_bytes = out.tell() + out.seek(0) + im = Image.open(out) + im.bytes = test_bytes # for testing only + return im - def frame_roundtrip(self, im, **options): - # Note that for now, there is no MPO saving functionality - out = BytesIO() - im.save(out, "MPO", **options) - test_bytes = out.tell() - out.seek(0) - im = Image.open(out) - im.bytes = test_bytes # for testing only - return im - def test_sanity(self): - for test_file in test_files: - im = Image.open(test_file) +def test_sanity(): + for test_file in test_files: + with Image.open(test_file) as im: im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (640, 480)) - self.assertEqual(im.format, "MPO") - - def test_app(self): - for test_file in test_files: - # Test APP/COM reader (@PIL135) - im = Image.open(test_file) - self.assertEqual(im.applist[0][0], 'APP1') - self.assertEqual(im.applist[1][0], 'APP2') - self.assertEqual(im.applist[1][1][:16], - b'MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00') - self.assertEqual(len(im.applist), 2) - - def test_exif(self): - for test_file in test_files: - im = Image.open(test_file) + assert im.mode == "RGB" + assert im.size == (640, 480) + assert im.format == "MPO" + + +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + im = Image.open(test_files[0]) + im.load() + + pytest.warns(ResourceWarning, open) + + +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(test_files[0]) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(test_files[0]) as im: + im.load() + + assert not record + + +def test_app(): + for test_file in test_files: + # Test APP/COM reader (@PIL135) + with Image.open(test_file) as im: + assert im.applist[0][0] == "APP1" + assert im.applist[1][0] == "APP2" + assert ( + im.applist[1][1][:16] + == b"MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00" + ) + assert len(im.applist) == 2 + + +def test_exif(): + for test_file in test_files: + with Image.open(test_file) as im: info = im._getexif() - self.assertEqual(info[272], 'Nintendo 3DS') - self.assertEqual(info[296], 2) - self.assertEqual(info[34665], 188) + assert info[272] == "Nintendo 3DS" + assert info[296] == 2 + assert info[34665] == 188 + + +def test_frame_size(): + # This image has been hexedited to contain a different size + # in the EXIF data of the second frame + with Image.open("Tests/images/sugarshack_frame_size.mpo") as im: + assert im.size == (640, 480) + + im.seek(1) + assert im.size == (680, 480) - def test_mp(self): - for test_file in test_files: - im = Image.open(test_file) + +def test_ignore_frame_size(): + # Ignore the different size of the second frame + # since this is not a "Large Thumbnail" image + with Image.open("Tests/images/ignore_frame_size.mpo") as im: + assert im.size == (64, 64) + + im.seek(1) + assert ( + im.mpinfo[0xB002][1]["Attribute"]["MPType"] + == "Multi-Frame Image: (Disparity)" + ) + assert im.size == (64, 64) + + +def test_parallax(): + # Nintendo + with Image.open("Tests/images/sugarshack.mpo") as im: + exif = im.getexif() + assert exif.get_ifd(0x927C)[0x1101]["Parallax"] == -44.798187255859375 + + # Fujifilm + with Image.open("Tests/images/fujifilm.mpo") as im: + im.seek(1) + exif = im.getexif() + assert exif.get_ifd(0x927C)[0xB211] == -3.125 + + +def test_mp(): + for test_file in test_files: + with Image.open(test_file) as im: mpinfo = im._getmp() - self.assertEqual(mpinfo[45056], b'0100') - self.assertEqual(mpinfo[45057], 2) + assert mpinfo[45056] == b"0100" + assert mpinfo[45057] == 2 + + +def test_mp_offset(): + # This image has been manually hexedited to have an IFD offset of 10 + # in APP2 data, in contrast to normal 8 + with Image.open("Tests/images/sugarshack_ifd_offset.mpo") as im: + mpinfo = im._getmp() + assert mpinfo[45056] == b"0100" + assert mpinfo[45057] == 2 - def test_mp_attribute(self): - for test_file in test_files: - im = Image.open(test_file) + +def test_mp_no_data(): + # This image has been manually hexedited to have the second frame + # beyond the end of the file + with Image.open("Tests/images/sugarshack_no_data.mpo") as im: + with pytest.raises(ValueError): + im.seek(1) + + +def test_mp_attribute(): + for test_file in test_files: + with Image.open(test_file) as im: mpinfo = im._getmp() - frameNumber = 0 - for mpentry in mpinfo[45058]: - mpattr = mpentry['Attribute'] - if frameNumber: - self.assertFalse(mpattr['RepresentativeImageFlag']) - else: - self.assertTrue(mpattr['RepresentativeImageFlag']) - self.assertFalse(mpattr['DependentParentImageFlag']) - self.assertFalse(mpattr['DependentChildImageFlag']) - self.assertEqual(mpattr['ImageDataFormat'], 'JPEG') - self.assertEqual(mpattr['MPType'], - 'Multi-Frame Image: (Disparity)') - self.assertEqual(mpattr['Reserved'], 0) - frameNumber += 1 - - def test_seek(self): - for test_file in test_files: - im = Image.open(test_file) - self.assertEqual(im.tell(), 0) + frameNumber = 0 + for mpentry in mpinfo[0xB002]: + mpattr = mpentry["Attribute"] + if frameNumber: + assert not mpattr["RepresentativeImageFlag"] + else: + assert mpattr["RepresentativeImageFlag"] + assert not mpattr["DependentParentImageFlag"] + assert not mpattr["DependentChildImageFlag"] + assert mpattr["ImageDataFormat"] == "JPEG" + assert mpattr["MPType"] == "Multi-Frame Image: (Disparity)" + assert mpattr["Reserved"] == 0 + frameNumber += 1 + + +def test_seek(): + for test_file in test_files: + with Image.open(test_file) as im: + assert im.tell() == 0 # prior to first image raises an error, both blatant and borderline - self.assertRaises(EOFError, im.seek, -1) - self.assertRaises(EOFError, im.seek, -523) + with pytest.raises(EOFError): + im.seek(-1) + with pytest.raises(EOFError): + im.seek(-523) # after the final image raises an error, # both blatant and borderline - self.assertRaises(EOFError, im.seek, 2) - self.assertRaises(EOFError, im.seek, 523) + with pytest.raises(EOFError): + im.seek(2) + with pytest.raises(EOFError): + im.seek(523) # bad calls shouldn't change the frame - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 # this one will work im.seek(1) - self.assertEqual(im.tell(), 1) + assert im.tell() == 1 # and this one, too im.seek(0) - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 + - def test_n_frames(self): - im = Image.open("Tests/images/sugarshack.mpo") - self.assertEqual(im.n_frames, 2) - self.assertTrue(im.is_animated) +def test_n_frames(): + with Image.open("Tests/images/sugarshack.mpo") as im: + assert im.n_frames == 2 + assert im.is_animated - def test_eoferror(self): - im = Image.open("Tests/images/sugarshack.mpo") + +def test_eoferror(): + with Image.open("Tests/images/sugarshack.mpo") as im: n_frames = im.n_frames # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) + im.seek(n_frames - 1) + - def test_image_grab(self): - for test_file in test_files: - im = Image.open(test_file) - self.assertEqual(im.tell(), 0) +def test_image_grab(): + for test_file in test_files: + with Image.open(test_file) as im: + assert im.tell() == 0 im0 = im.tobytes() im.seek(1) - self.assertEqual(im.tell(), 1) + assert im.tell() == 1 im1 = im.tobytes() im.seek(0) - self.assertEqual(im.tell(), 0) + assert im.tell() == 0 im02 = im.tobytes() - self.assertEqual(im0, im02) - self.assertNotEqual(im0, im1) - - def test_save(self): - # Note that only individual frames can be saved at present - for test_file in test_files: - im = Image.open(test_file) - self.assertEqual(im.tell(), 0) - jpg0 = self.frame_roundtrip(im) - self.assert_image_similar(im, jpg0, 30) - im.seek(1) - self.assertEqual(im.tell(), 1) - jpg1 = self.frame_roundtrip(im) - self.assert_image_similar(im, jpg1, 30) + assert im0 == im02 + assert im0 != im1 -if __name__ == '__main__': - unittest.main() +def test_save(): + # Note that only individual frames can be saved at present + for test_file in test_files: + with Image.open(test_file) as im: + assert im.tell() == 0 + jpg0 = frame_roundtrip(im) + assert_image_similar(im, jpg0, 30) + im.seek(1) + assert im.tell() == 1 + jpg1 = frame_roundtrip(im) + assert_image_similar(im, jpg1, 30) diff --git a/Tests/test_file_msp.py b/Tests/test_file_msp.py index 4aac880922c..50d7c590b7a 100644 --- a/Tests/test_file_msp.py +++ b/Tests/test_file_msp.py @@ -1,84 +1,90 @@ -from helper import unittest, PillowTestCase, hopper +import os + +import pytest from PIL import Image, MspImagePlugin -import os +from .helper import assert_image_equal, assert_image_equal_tofile, hopper TEST_FILE = "Tests/images/hopper.msp" EXTRA_DIR = "Tests/images/picins" YA_EXTRA_DIR = "Tests/images/msp" -class TestFileMsp(PillowTestCase): +def test_sanity(tmp_path): + test_file = str(tmp_path / "temp.msp") - def test_sanity(self): - file = self.tempfile("temp.msp") + hopper("1").save(test_file) - hopper("1").save(file) - - im = Image.open(file) + with Image.open(test_file) as im: im.load() - self.assertEqual(im.mode, "1") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "MSP") + assert im.mode == "1" + assert im.size == (128, 128) + assert im.format == "MSP" + - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - MspImagePlugin.MspImageFile, invalid_file) + with pytest.raises(SyntaxError): + MspImagePlugin.MspImageFile(invalid_file) - def test_bad_checksum(self): - # Arrange - # This was created by forcing Pillow to save with checksum=0 - bad_checksum = "Tests/images/hopper_bad_checksum.msp" - # Act / Assert - self.assertRaises(SyntaxError, - MspImagePlugin.MspImageFile, bad_checksum) +def test_bad_checksum(): + # Arrange + # This was created by forcing Pillow to save with checksum=0 + bad_checksum = "Tests/images/hopper_bad_checksum.msp" - def test_open_windows_v1(self): - # Arrange - # Act - im = Image.open(TEST_FILE) + # Act / Assert + with pytest.raises(SyntaxError): + MspImagePlugin.MspImageFile(bad_checksum) + + +def test_open_windows_v1(): + # Arrange + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assert_image_equal(im, hopper("1")) - self.assertIsInstance(im, MspImagePlugin.MspImageFile) - - def _assert_file_image_equal(self, source_path, target_path): - with Image.open(source_path) as im: - target = Image.open(target_path) - self.assert_image_equal(im, target) - - @unittest.skipIf(not os.path.exists(EXTRA_DIR), - "Extra image files not installed") - def test_open_windows_v2(self): - - files = (os.path.join(EXTRA_DIR, f) for f in os.listdir(EXTRA_DIR) - if os.path.splitext(f)[1] == '.msp') - for path in files: - self._assert_file_image_equal(path, - path.replace('.msp', '.png')) - - @unittest.skipIf(not os.path.exists(YA_EXTRA_DIR), - "Even More Extra image files not installed") - def test_msp_v2(self): - for f in os.listdir(YA_EXTRA_DIR): - if '.MSP' not in f: - continue - path = os.path.join(YA_EXTRA_DIR, f) - self._assert_file_image_equal(path, - path.replace('.MSP', '.png')) - - def test_cannot_save_wrong_mode(self): - # Arrange - im = hopper() - filename = self.tempfile("temp.msp") - - # Act/Assert - self.assertRaises(IOError, im.save, filename) - - -if __name__ == '__main__': - unittest.main() + assert_image_equal(im, hopper("1")) + assert isinstance(im, MspImagePlugin.MspImageFile) + + +def _assert_file_image_equal(source_path, target_path): + with Image.open(source_path) as im: + assert_image_equal_tofile(im, target_path) + + +@pytest.mark.skipif( + not os.path.exists(EXTRA_DIR), reason="Extra image files not installed" +) +def test_open_windows_v2(): + + files = ( + os.path.join(EXTRA_DIR, f) + for f in os.listdir(EXTRA_DIR) + if os.path.splitext(f)[1] == ".msp" + ) + for path in files: + _assert_file_image_equal(path, path.replace(".msp", ".png")) + + +@pytest.mark.skipif( + not os.path.exists(YA_EXTRA_DIR), reason="Even More Extra image files not installed" +) +def test_msp_v2(): + for f in os.listdir(YA_EXTRA_DIR): + if ".MSP" not in f: + continue + path = os.path.join(YA_EXTRA_DIR, f) + _assert_file_image_equal(path, path.replace(".MSP", ".png")) + + +def test_cannot_save_wrong_mode(tmp_path): + # Arrange + im = hopper() + filename = str(tmp_path / "temp.msp") + + # Act/Assert + with pytest.raises(OSError): + im.save(filename) diff --git a/Tests/test_file_palm.py b/Tests/test_file_palm.py index b97a9b19eb3..e1c1c361b1e 100644 --- a/Tests/test_file_palm.py +++ b/Tests/test_file_palm.py @@ -1,58 +1,81 @@ -from helper import unittest, PillowTestCase, hopper, imagemagick_available - import os.path +import subprocess + +import pytest + +from PIL import Image + +from .helper import assert_image_equal, hopper, magick_command + + +def helper_save_as_palm(tmp_path, mode): + # Arrange + im = hopper(mode) + outfile = str(tmp_path / ("temp_" + mode + ".palm")) + + # Act + im.save(outfile) + + # Assert + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + +def open_with_magick(magick, tmp_path, f): + outfile = str(tmp_path / "temp.png") + rc = subprocess.call( + magick + [f, outfile], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT + ) + if rc: + raise OSError + return Image.open(outfile) -class TestFilePalm(PillowTestCase): - _roundtrip = imagemagick_available() +def roundtrip(tmp_path, mode): + magick = magick_command() + if not magick: + return - def helper_save_as_palm(self, mode): - # Arrange - im = hopper(mode) - outfile = self.tempfile("temp_" + mode + ".palm") + im = hopper(mode) + outfile = str(tmp_path / "temp.palm") - # Act - im.save(outfile) + im.save(outfile) + converted = open_with_magick(magick, tmp_path, outfile) + assert_image_equal(converted, im) - # Assert - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) - def roundtrip(self, mode): - if not self._roundtrip: - return +def test_monochrome(tmp_path): + # Arrange + mode = "1" - im = hopper(mode) - outfile = self.tempfile("temp.palm") + # Act / Assert + helper_save_as_palm(tmp_path, mode) + roundtrip(tmp_path, mode) - im.save(outfile) - converted = self.open_withImagemagick(outfile) - self.assert_image_equal(converted, im) - def test_monochrome(self): - # Arrange - mode = "1" +@pytest.mark.xfail(reason="Palm P image is wrong") +def test_p_mode(tmp_path): + # Arrange + mode = "P" - # Act / Assert - self.helper_save_as_palm(mode) - self.roundtrip(mode) + # Act / Assert + helper_save_as_palm(tmp_path, mode) + roundtrip(tmp_path, mode) - def test_p_mode(self): - # Arrange - mode = "P" - # Act / Assert - self.helper_save_as_palm(mode) - self.skipKnownBadTest("Palm P image is wrong") - self.roundtrip(mode) +def test_l_oserror(tmp_path): + # Arrange + mode = "L" - def test_rgb_ioerror(self): - # Arrange - mode = "RGB" + # Act / Assert + with pytest.raises(OSError): + helper_save_as_palm(tmp_path, mode) - # Act / Assert - self.assertRaises(IOError, self.helper_save_as_palm, mode) +def test_rgb_oserror(tmp_path): + # Arrange + mode = "RGB" -if __name__ == '__main__': - unittest.main() + # Act / Assert + with pytest.raises(OSError): + helper_save_as_palm(tmp_path, mode) diff --git a/Tests/test_file_pcd.py b/Tests/test_file_pcd.py index 06fd3304352..dc45a48c1cb 100644 --- a/Tests/test_file_pcd.py +++ b/Tests/test_file_pcd.py @@ -1,22 +1,15 @@ -from helper import unittest, PillowTestCase from PIL import Image -class TestFilePcd(PillowTestCase): - - def test_load_raw(self): - im = Image.open('Tests/images/hopper.pcd') +def test_load_raw(): + with Image.open("Tests/images/hopper.pcd") as im: im.load() # should not segfault. - # Note that this image was created with a resized hopper - # image, which was then converted to pcd with imagemagick - # and the colors are wonky in Pillow. It's unclear if this - # is a pillow or a convert issue, as other images not generated - # from convert look find on pillow and not imagemagick. - - # target = hopper().resize((768,512)) - # self.assert_image_similar(im, target, 10) - + # Note that this image was created with a resized hopper + # image, which was then converted to pcd with imagemagick + # and the colors are wonky in Pillow. It's unclear if this + # is a pillow or a convert issue, as other images not generated + # from convert look find on pillow and not imagemagick. -if __name__ == '__main__': - unittest.main() + # target = hopper().resize((768,512)) + # assert_image_similar(im, target, 10) diff --git a/Tests/test_file_pcx.py b/Tests/test_file_pcx.py index 415827e49e9..61e33a57bb4 100644 --- a/Tests/test_file_pcx.py +++ b/Tests/test_file_pcx.py @@ -1,134 +1,151 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, ImageFile, PcxImagePlugin +from .helper import assert_image_equal, hopper -class TestFilePcx(PillowTestCase): - def _roundtrip(self, im): - f = self.tempfile("temp.pcx") +def _roundtrip(tmp_path, im): + f = str(tmp_path / "temp.pcx") + im.save(f) + with Image.open(f) as im2: + assert im2.mode == im.mode + assert im2.size == im.size + assert im2.format == "PCX" + assert im2.get_format_mimetype() == "image/x-pcx" + assert_image_equal(im2, im) + + +def test_sanity(tmp_path): + for mode in ("1", "L", "P", "RGB"): + _roundtrip(tmp_path, hopper(mode)) + + # Test an unsupported mode + f = str(tmp_path / "temp.pcx") + im = hopper("RGBA") + with pytest.raises(ValueError): im.save(f) - im2 = Image.open(f) - self.assertEqual(im2.mode, im.mode) - self.assertEqual(im2.size, im.size) - self.assertEqual(im2.format, "PCX") - self.assert_image_equal(im2, im) - def test_sanity(self): - for mode in ('1', 'L', 'P', 'RGB'): - self._roundtrip(hopper(mode)) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + PcxImagePlugin.PcxImageFile(invalid_file) - # Test an unsupported mode - f = self.tempfile("temp.pcx") - im = hopper("RGBA") - self.assertRaises(ValueError, im.save, f) - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_odd(tmp_path): + # See issue #523, odd sized images should have a stride that's even. + # Not that ImageMagick or GIMP write PCX that way. + # We were not handling properly. + for mode in ("1", "L", "P", "RGB"): + # larger, odd sized images are better here to ensure that + # we handle interrupted scan lines properly. + _roundtrip(tmp_path, hopper(mode).resize((511, 511))) - self.assertRaises(SyntaxError, - PcxImagePlugin.PcxImageFile, invalid_file) - def test_odd(self): - # see issue #523, odd sized images should have a stride that's even. - # not that imagemagick or gimp write pcx that way. - # we were not handling properly. - for mode in ('1', 'L', 'P', 'RGB'): - # larger, odd sized images are better here to ensure that - # we handle interrupted scan lines properly. - self._roundtrip(hopper(mode).resize((511, 511))) +def test_odd_read(): + # Reading an image with an odd stride, making it malformed + with Image.open("Tests/images/odd_stride.pcx") as im: + im.load() - def test_pil184(self): - # Check reading of files where xmin/xmax is not zero. + assert im.size == (371, 150) - test_file = "Tests/images/pil184.pcx" - im = Image.open(test_file) - self.assertEqual(im.size, (447, 144)) - self.assertEqual(im.tile[0][1], (0, 0, 447, 144)) +def test_pil184(): + # Check reading of files where xmin/xmax is not zero. + + test_file = "Tests/images/pil184.pcx" + with Image.open(test_file) as im: + assert im.size == (447, 144) + assert im.tile[0][1] == (0, 0, 447, 144) # Make sure all pixels are either 0 or 255. - self.assertEqual(im.histogram()[0] + im.histogram()[255], 447*144) - - def test_1px_width(self): - im = Image.new('L', (1, 256)) - px = im.load() - for y in range(256): - px[0, y] = y - self._roundtrip(im) - - def test_large_count(self): - im = Image.new('L', (256, 1)) - px = im.load() + assert im.histogram()[0] + im.histogram()[255] == 447 * 144 + + +def test_1px_width(tmp_path): + im = Image.new("L", (1, 256)) + px = im.load() + for y in range(256): + px[0, y] = y + _roundtrip(tmp_path, im) + + +def test_large_count(tmp_path): + im = Image.new("L", (256, 1)) + px = im.load() + for x in range(256): + px[x, 0] = x // 67 * 67 + _roundtrip(tmp_path, im) + + +def _test_buffer_overflow(tmp_path, im, size=1024): + _last = ImageFile.MAXBLOCK + ImageFile.MAXBLOCK = size + try: + _roundtrip(tmp_path, im) + finally: + ImageFile.MAXBLOCK = _last + + +def test_break_in_count_overflow(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(4): + for x in range(256): + px[x, y] = x % 128 + _test_buffer_overflow(tmp_path, im) + + +def test_break_one_in_loop(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(5): + for x in range(256): + px[x, y] = x % 128 + _test_buffer_overflow(tmp_path, im) + + +def test_break_many_in_loop(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(4): + for x in range(256): + px[x, y] = x % 128 + for x in range(8): + px[x, 4] = 16 + _test_buffer_overflow(tmp_path, im) + + +def test_break_one_at_end(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(5): + for x in range(256): + px[x, y] = x % 128 + px[0, 3] = 128 + 64 + _test_buffer_overflow(tmp_path, im) + + +def test_break_many_at_end(tmp_path): + im = Image.new("L", (256, 5)) + px = im.load() + for y in range(5): for x in range(256): - px[x, 0] = x // 67 * 67 - self._roundtrip(im) - - def _test_buffer_overflow(self, im, size=1024): - _last = ImageFile.MAXBLOCK - ImageFile.MAXBLOCK = size - try: - self._roundtrip(im) - finally: - ImageFile.MAXBLOCK = _last - - def test_break_in_count_overflow(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(4): - for x in range(256): - px[x, y] = x % 128 - self._test_buffer_overflow(im) - - def test_break_one_in_loop(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(5): - for x in range(256): - px[x, y] = x % 128 - self._test_buffer_overflow(im) - - def test_break_many_in_loop(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(4): - for x in range(256): - px[x, y] = x % 128 - for x in range(8): - px[x, 4] = 16 - self._test_buffer_overflow(im) - - def test_break_one_at_end(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(5): - for x in range(256): - px[x, y] = x % 128 - px[0, 3] = 128 + 64 - self._test_buffer_overflow(im) - - def test_break_many_at_end(self): - im = Image.new('L', (256, 5)) - px = im.load() - for y in range(5): - for x in range(256): - px[x, y] = x % 128 - for x in range(4): - px[x * 2, 3] = 128 + 64 - px[x + 256 - 4, 3] = 0 - self._test_buffer_overflow(im) - - def test_break_padding(self): - im = Image.new('L', (257, 5)) - px = im.load() - for y in range(5): - for x in range(257): - px[x, y] = x % 128 - for x in range(5): - px[x, 3] = 0 - self._test_buffer_overflow(im) - - -if __name__ == '__main__': - unittest.main() + px[x, y] = x % 128 + for x in range(4): + px[x * 2, 3] = 128 + 64 + px[x + 256 - 4, 3] = 0 + _test_buffer_overflow(tmp_path, im) + + +def test_break_padding(tmp_path): + im = Image.new("L", (257, 5)) + px = im.load() + for y in range(5): + for x in range(257): + px[x, y] = x % 128 + for x in range(5): + px[x, 3] = 0 + _test_buffer_overflow(tmp_path, im) diff --git a/Tests/test_file_pdf.py b/Tests/test_file_pdf.py index ee02d0694fa..10daa414b5a 100644 --- a/Tests/test_file_pdf.py +++ b/Tests/test_file_pdf.py @@ -1,102 +1,323 @@ -from helper import unittest, PillowTestCase, hopper -from PIL import Image +import io +import os import os.path +import tempfile +import time +import pytest -class TestFilePdf(PillowTestCase): +from PIL import Image, PdfParser - def helper_save_as_pdf(self, mode, save_all=False): - # Arrange - im = hopper(mode) - outfile = self.tempfile("temp_" + mode + ".pdf") +from .helper import hopper, mark_if_feature_version - # Act - if save_all: - im.save(outfile, save_all=True) + +def helper_save_as_pdf(tmp_path, mode, **kwargs): + # Arrange + im = hopper(mode) + outfile = str(tmp_path / ("temp_" + mode + ".pdf")) + + # Act + im.save(outfile, **kwargs) + + # Assert + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + with PdfParser.PdfParser(outfile) as pdf: + if kwargs.get("append_images", False) or kwargs.get("append", False): + assert len(pdf.pages) > 1 else: - im.save(outfile) + assert len(pdf.pages) > 0 + with open(outfile, "rb") as fp: + contents = fp.read() + size = tuple( + float(d) for d in contents.split(b"/MediaBox [ 0 0 ")[1].split(b"]")[0].split() + ) + assert im.size == size + + return outfile + + +def test_monochrome(tmp_path): + # Arrange + mode = "1" + + # Act / Assert + outfile = helper_save_as_pdf(tmp_path, mode) + assert os.path.getsize(outfile) < 15000 + + +def test_greyscale(tmp_path): + # Arrange + mode = "L" + + # Act / Assert + helper_save_as_pdf(tmp_path, mode) + + +def test_rgb(tmp_path): + # Arrange + mode = "RGB" - # Assert - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) + # Act / Assert + helper_save_as_pdf(tmp_path, mode) - def test_monochrome(self): - # Arrange - mode = "1" - # Act / Assert - self.helper_save_as_pdf(mode) +def test_p_mode(tmp_path): + # Arrange + mode = "P" - def test_greyscale(self): - # Arrange - mode = "L" + # Act / Assert + helper_save_as_pdf(tmp_path, mode) - # Act / Assert - self.helper_save_as_pdf(mode) - def test_rgb(self): - # Arrange - mode = "RGB" +def test_cmyk_mode(tmp_path): + # Arrange + mode = "CMYK" - # Act / Assert - self.helper_save_as_pdf(mode) + # Act / Assert + helper_save_as_pdf(tmp_path, mode) - def test_p_mode(self): - # Arrange - mode = "P" - # Act / Assert - self.helper_save_as_pdf(mode) +def test_unsupported_mode(tmp_path): + im = hopper("LA") + outfile = str(tmp_path / "temp_LA.pdf") - def test_cmyk_mode(self): - # Arrange - mode = "CMYK" + with pytest.raises(ValueError): + im.save(outfile) - # Act / Assert - self.helper_save_as_pdf(mode) - def test_unsupported_mode(self): - im = hopper("LA") - outfile = self.tempfile("temp_LA.pdf") +def test_resolution(tmp_path): + im = hopper() - self.assertRaises(ValueError, im.save, outfile) + outfile = str(tmp_path / "temp.pdf") + im.save(outfile, resolution=150) - def test_save_all(self): - # Single frame image - self.helper_save_as_pdf("RGB", save_all=True) + with open(outfile, "rb") as fp: + contents = fp.read() - # Multiframe image - im = Image.open("Tests/images/dispose_bgnd.gif") + size = tuple( + float(d) + for d in contents.split(b"stream\nq ")[1].split(b" 0 0 cm")[0].split(b" 0 0 ") + ) + assert size == (61.44, 61.44) - outfile = self.tempfile('temp.pdf') + size = tuple( + float(d) for d in contents.split(b"/MediaBox [ 0 0 ")[1].split(b"]")[0].split() + ) + assert size == (61.44, 61.44) + + +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_save_all(tmp_path): + # Single frame image + helper_save_as_pdf(tmp_path, "RGB", save_all=True) + + # Multiframe image + with Image.open("Tests/images/dispose_bgnd.gif") as im: + + outfile = str(tmp_path / "temp.pdf") im.save(outfile, save_all=True) - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 # Append images ims = [hopper()] im.copy().save(outfile, save_all=True, append_images=ims) - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 # Test appending using a generator def imGenerator(ims): - for im in ims: - yield im + yield from ims + im.save(outfile, save_all=True, append_images=imGenerator(ims)) - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 - # Append JPEG images - jpeg = Image.open("Tests/images/flower.jpg") + # Append JPEG images + with Image.open("Tests/images/flower.jpg") as jpeg: jpeg.save(outfile, save_all=True, append_images=[jpeg.copy()]) - self.assertTrue(os.path.isfile(outfile)) - self.assertGreater(os.path.getsize(outfile), 0) + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + +def test_multiframe_normal_save(tmp_path): + # Test saving a multiframe image without save_all + with Image.open("Tests/images/dispose_bgnd.gif") as im: + + outfile = str(tmp_path / "temp.pdf") + im.save(outfile) + + assert os.path.isfile(outfile) + assert os.path.getsize(outfile) > 0 + + +def test_pdf_open(tmp_path): + # fail on a buffer full of null bytes + with pytest.raises(PdfParser.PdfFormatError): + PdfParser.PdfParser(buf=bytearray(65536)) + + # make an empty PDF object + with PdfParser.PdfParser() as empty_pdf: + assert len(empty_pdf.pages) == 0 + assert len(empty_pdf.info) == 0 + assert not empty_pdf.should_close_buf + assert not empty_pdf.should_close_file + + # make a PDF file + pdf_filename = helper_save_as_pdf(tmp_path, "RGB") + + # open the PDF file + with PdfParser.PdfParser(filename=pdf_filename) as hopper_pdf: + assert len(hopper_pdf.pages) == 1 + assert hopper_pdf.should_close_buf + assert hopper_pdf.should_close_file + + # read a PDF file from a buffer with a non-zero offset + with open(pdf_filename, "rb") as f: + content = b"xyzzy" + f.read() + with PdfParser.PdfParser(buf=content, start_offset=5) as hopper_pdf: + assert len(hopper_pdf.pages) == 1 + assert not hopper_pdf.should_close_buf + assert not hopper_pdf.should_close_file + + # read a PDF file from an already open file + with open(pdf_filename, "rb") as f: + with PdfParser.PdfParser(f=f) as hopper_pdf: + assert len(hopper_pdf.pages) == 1 + assert hopper_pdf.should_close_buf + assert not hopper_pdf.should_close_file + + +def test_pdf_append_fails_on_nonexistent_file(): + im = hopper("RGB") + with tempfile.TemporaryDirectory() as temp_dir: + with pytest.raises(OSError): + im.save(os.path.join(temp_dir, "nonexistent.pdf"), append=True) + + +def check_pdf_pages_consistency(pdf): + pages_info = pdf.read_indirect(pdf.pages_ref) + assert b"Parent" not in pages_info + assert b"Kids" in pages_info + kids_not_used = pages_info[b"Kids"] + for page_ref in pdf.pages: + while True: + if page_ref in kids_not_used: + kids_not_used.remove(page_ref) + page_info = pdf.read_indirect(page_ref) + assert b"Parent" in page_info + page_ref = page_info[b"Parent"] + if page_ref == pdf.pages_ref: + break + assert pdf.pages_ref == page_info[b"Parent"] + assert kids_not_used == [] + + +def test_pdf_append(tmp_path): + # make a PDF file + pdf_filename = helper_save_as_pdf(tmp_path, "RGB", producer="PdfParser") + + # open it, check pages and info + with PdfParser.PdfParser(pdf_filename, mode="r+b") as pdf: + assert len(pdf.pages) == 1 + assert len(pdf.info) == 4 + assert pdf.info.Title == os.path.splitext(os.path.basename(pdf_filename))[0] + assert pdf.info.Producer == "PdfParser" + assert b"CreationDate" in pdf.info + assert b"ModDate" in pdf.info + check_pdf_pages_consistency(pdf) + + # append some info + pdf.info.Title = "abc" + pdf.info.Author = "def" + pdf.info.Subject = "ghi\uABCD" + pdf.info.Keywords = "qw)e\\r(ty" + pdf.info.Creator = "hopper()" + pdf.start_writing() + pdf.write_xref_and_trailer() + + # open it again, check pages and info again + with PdfParser.PdfParser(pdf_filename) as pdf: + assert len(pdf.pages) == 1 + assert len(pdf.info) == 8 + assert pdf.info.Title == "abc" + assert b"CreationDate" in pdf.info + assert b"ModDate" in pdf.info + check_pdf_pages_consistency(pdf) + + # append two images + mode_CMYK = hopper("CMYK") + mode_P = hopper("P") + mode_CMYK.save(pdf_filename, append=True, save_all=True, append_images=[mode_P]) + + # open the PDF again, check pages and info again + with PdfParser.PdfParser(pdf_filename) as pdf: + assert len(pdf.pages) == 3 + assert len(pdf.info) == 8 + assert PdfParser.decode_text(pdf.info[b"Title"]) == "abc" + assert pdf.info.Title == "abc" + assert pdf.info.Producer == "PdfParser" + assert pdf.info.Keywords == "qw)e\\r(ty" + assert pdf.info.Subject == "ghi\uABCD" + assert b"CreationDate" in pdf.info + assert b"ModDate" in pdf.info + check_pdf_pages_consistency(pdf) + + +def test_pdf_info(tmp_path): + # make a PDF file + pdf_filename = helper_save_as_pdf( + tmp_path, + "RGB", + title="title", + author="author", + subject="subject", + keywords="keywords", + creator="creator", + producer="producer", + creationDate=time.strptime("2000", "%Y"), + modDate=time.strptime("2001", "%Y"), + ) + + # open it, check pages and info + with PdfParser.PdfParser(pdf_filename) as pdf: + assert len(pdf.info) == 8 + assert pdf.info.Title == "title" + assert pdf.info.Author == "author" + assert pdf.info.Subject == "subject" + assert pdf.info.Keywords == "keywords" + assert pdf.info.Creator == "creator" + assert pdf.info.Producer == "producer" + assert pdf.info.CreationDate == time.strptime("2000", "%Y") + assert pdf.info.ModDate == time.strptime("2001", "%Y") + check_pdf_pages_consistency(pdf) + + +def test_pdf_append_to_bytesio(): + im = hopper("RGB") + f = io.BytesIO() + im.save(f, format="PDF") + initial_size = len(f.getvalue()) + assert initial_size > 0 + im = hopper("P") + f = io.BytesIO(f.getvalue()) + im.save(f, format="PDF", append=True) + assert len(f.getvalue()) > initial_size + +@pytest.mark.timeout(1) +@pytest.mark.parametrize("newline", (b"\r", b"\n")) +def test_redos(newline): + malicious = b" trailer<<>>" + newline * 3456 -if __name__ == '__main__': - unittest.main() + # This particular exception isn't relevant here. + # The important thing is it doesn't timeout, cause a ReDoS (CVE-2021-25292). + with pytest.raises(PdfParser.PdfFormatError): + PdfParser.PdfParser(buf=malicious) diff --git a/Tests/test_file_pixar.py b/Tests/test_file_pixar.py index ae8c7d5f54f..315ea4676e1 100644 --- a/Tests/test_file_pixar.py +++ b/Tests/test_file_pixar.py @@ -1,29 +1,26 @@ -from helper import hopper, unittest, PillowTestCase +import pytest from PIL import Image, PixarImagePlugin -TEST_FILE = "Tests/images/hopper.pxr" +from .helper import assert_image_similar, hopper +TEST_FILE = "Tests/images/hopper.pxr" -class TestFilePixar(PillowTestCase): - def test_sanity(self): - im = Image.open(TEST_FILE) +def test_sanity(): + with Image.open(TEST_FILE) as im: im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PIXAR") + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "PIXAR" + assert im.get_format_mimetype() is None im2 = hopper() - self.assert_image_similar(im, im2, 4.8) - - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" + assert_image_similar(im, im2, 4.8) - self.assertRaises( - SyntaxError, - PixarImagePlugin.PixarImageFile, invalid_file) +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" -if __name__ == '__main__': - unittest.main() + with pytest.raises(SyntaxError): + PixarImagePlugin.PixarImageFile(invalid_file) diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py index ce2b3e60872..0869cc58bc5 100644 --- a/Tests/test_file_png.py +++ b/Tests/test_file_png.py @@ -1,12 +1,27 @@ -from helper import unittest, PillowTestCase, PillowLeakTestCase, hopper -from PIL import Image, ImageFile, PngImagePlugin - -from io import BytesIO -import zlib +import re import sys +import zlib +from io import BytesIO + +import pytest -codecs = dir(Image.core) +from PIL import Image, ImageFile, PngImagePlugin, features +from .helper import ( + PillowLeakTestCase, + assert_image, + assert_image_equal, + assert_image_equal_tofile, + hopper, + is_win32, + mark_if_feature_version, + skip_unless_feature, +) + +try: + import defusedxml.ElementTree as ElementTree +except ImportError: + ElementTree = None # sample png stream @@ -22,9 +37,10 @@ def chunk(cid, *data): PngImagePlugin.putchunk(*(test_file, cid) + data) return test_file.getvalue() + o32 = PngImagePlugin.o32 -IHDR = chunk(b"IHDR", o32(1), o32(1), b'\x08\x02', b'\0\0\0') +IHDR = chunk(b"IHDR", o32(1), o32(1), b"\x08\x02", b"\0\0\0") IDAT = chunk(b"IDAT") IEND = chunk(b"IEND") @@ -43,12 +59,8 @@ def roundtrip(im, **options): return Image.open(out) -class TestFilePng(PillowTestCase): - - def setUp(self): - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") - +@skip_unless_feature("zlib") +class TestFilePng: def get_chunks(self, filename): chunks = [] with open(filename, "rb") as fp: @@ -64,322 +76,337 @@ def get_chunks(self, filename): png.crc(cid, s) return chunks - def test_sanity(self): + def test_sanity(self, tmp_path): # internal version number - self.assertRegexpMatches( - Image.core.zlib_version, r"\d+\.\d+\.\d+(\.\d+)?$") + assert re.search(r"\d+\.\d+\.\d+(\.\d+)?$", features.version_codec("zlib")) - test_file = self.tempfile("temp.png") + test_file = str(tmp_path / "temp.png") hopper("RGB").save(test_file) - im = Image.open(test_file) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PNG") - - hopper("1").save(test_file) - im = Image.open(test_file) - - hopper("L").save(test_file) - im = Image.open(test_file) - - hopper("P").save(test_file) - im = Image.open(test_file) - - hopper("RGB").save(test_file) - im = Image.open(test_file) - - hopper("I").save(test_file) - im = Image.open(test_file) + with Image.open(test_file) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "PNG" + assert im.get_format_mimetype() == "image/png" + + for mode in ["1", "L", "P", "RGB", "I", "I;16"]: + im = hopper(mode) + im.save(test_file) + with Image.open(test_file) as reloaded: + if mode == "I;16": + reloaded = reloaded.convert(mode) + assert_image_equal(reloaded, im) def test_invalid_file(self): invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - PngImagePlugin.PngImageFile, invalid_file) + with pytest.raises(SyntaxError): + PngImagePlugin.PngImageFile(invalid_file) def test_broken(self): # Check reading of totally broken files. In this case, the test # file was checked into Subversion as a text file. test_file = "Tests/images/broken.png" - self.assertRaises(IOError, Image.open, test_file) + with pytest.raises(OSError): + with Image.open(test_file): + pass def test_bad_text(self): # Make sure PIL can read malformed tEXt chunks (@PIL152) - im = load(HEAD + chunk(b'tEXt') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"tEXt") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'tEXt', b'spam') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"tEXt", b"spam") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'tEXt', b'spam\0') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"tEXt", b"spam\0") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'tEXt', b'spam\0egg') + TAIL) - self.assertEqual(im.info, {'spam': 'egg'}) + im = load(HEAD + chunk(b"tEXt", b"spam\0egg") + TAIL) + assert im.info == {"spam": "egg"} - im = load(HEAD + chunk(b'tEXt', b'spam\0egg\0') + TAIL) - self.assertEqual(im.info, {'spam': 'egg\x00'}) + im = load(HEAD + chunk(b"tEXt", b"spam\0egg\0") + TAIL) + assert im.info == {"spam": "egg\x00"} def test_bad_ztxt(self): # Test reading malformed zTXt chunks (python-pillow/Pillow#318) - im = load(HEAD + chunk(b'zTXt') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"zTXt") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'zTXt', b'spam') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'zTXt', b'spam\0') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam\0") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'zTXt', b'spam\0\0') + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam\0\0") + TAIL) + assert im.info == {"spam": ""} - im = load(HEAD + chunk( - b'zTXt', b'spam\0\0' + zlib.compress(b'egg')[:1]) + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load(HEAD + chunk(b"zTXt", b"spam\0\0" + zlib.compress(b"egg")[:1]) + TAIL) + assert im.info == {"spam": ""} - im = load( - HEAD + chunk(b'zTXt', b'spam\0\0' + zlib.compress(b'egg')) + TAIL) - self.assertEqual(im.info, {'spam': 'egg'}) + im = load(HEAD + chunk(b"zTXt", b"spam\0\0" + zlib.compress(b"egg")) + TAIL) + assert im.info == {"spam": "egg"} def test_bad_itxt(self): - im = load(HEAD + chunk(b'iTXt') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam\0") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\x02') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam\0\x02") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\0\0foo\0') + TAIL) - self.assertEqual(im.info, {}) + im = load(HEAD + chunk(b"iTXt", b"spam\0\0\0foo\0") + TAIL) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\0\0en\0Spam\0egg') + TAIL) - self.assertEqual(im.info, {"spam": "egg"}) - self.assertEqual(im.info["spam"].lang, "en") - self.assertEqual(im.info["spam"].tkey, "Spam") + im = load(HEAD + chunk(b"iTXt", b"spam\0\0\0en\0Spam\0egg") + TAIL) + assert im.info == {"spam": "egg"} + assert im.info["spam"].lang == "en" + assert im.info["spam"].tkey == "Spam" - im = load(HEAD + chunk(b'iTXt', b'spam\0\1\0en\0Spam\0' + - zlib.compress(b"egg")[:1]) + TAIL) - self.assertEqual(im.info, {'spam': ''}) + im = load( + HEAD + + chunk(b"iTXt", b"spam\0\1\0en\0Spam\0" + zlib.compress(b"egg")[:1]) + + TAIL + ) + assert im.info == {"spam": ""} - im = load(HEAD + chunk(b'iTXt', b'spam\0\1\1en\0Spam\0' + - zlib.compress(b"egg")) + TAIL) - self.assertEqual(im.info, {}) + im = load( + HEAD + + chunk(b"iTXt", b"spam\0\1\1en\0Spam\0" + zlib.compress(b"egg")) + + TAIL + ) + assert im.info == {} - im = load(HEAD + chunk(b'iTXt', b'spam\0\1\0en\0Spam\0' + - zlib.compress(b"egg")) + TAIL) - self.assertEqual(im.info, {"spam": "egg"}) - self.assertEqual(im.info["spam"].lang, "en") - self.assertEqual(im.info["spam"].tkey, "Spam") + im = load( + HEAD + + chunk(b"iTXt", b"spam\0\1\0en\0Spam\0" + zlib.compress(b"egg")) + + TAIL + ) + assert im.info == {"spam": "egg"} + assert im.info["spam"].lang == "en" + assert im.info["spam"].tkey == "Spam" def test_interlace(self): test_file = "Tests/images/pil123p.png" - im = Image.open(test_file) - - self.assert_image(im, "P", (162, 150)) - self.assertTrue(im.info.get("interlace")) + with Image.open(test_file) as im: + assert_image(im, "P", (162, 150)) + assert im.info.get("interlace") - im.load() + im.load() test_file = "Tests/images/pil123rgba.png" - im = Image.open(test_file) - - self.assert_image(im, "RGBA", (162, 150)) - self.assertTrue(im.info.get("interlace")) + with Image.open(test_file) as im: + assert_image(im, "RGBA", (162, 150)) + assert im.info.get("interlace") - im.load() + im.load() def test_load_transparent_p(self): test_file = "Tests/images/pil123p.png" - im = Image.open(test_file) - - self.assert_image(im, "P", (162, 150)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (162, 150)) + with Image.open(test_file) as im: + assert_image(im, "P", (162, 150)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (162, 150)) # image has 124 unique alpha values - self.assertEqual(len(im.getchannel('A').getcolors()), 124) + assert len(im.getchannel("A").getcolors()) == 124 def test_load_transparent_rgb(self): test_file = "Tests/images/rgb_trns.png" - im = Image.open(test_file) - self.assertEqual(im.info["transparency"], (0, 255, 52)) + with Image.open(test_file) as im: + assert im.info["transparency"] == (0, 255, 52) - self.assert_image(im, "RGB", (64, 64)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (64, 64)) + assert_image(im, "RGB", (64, 64)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (64, 64)) # image has 876 transparent pixels - self.assertEqual(im.getchannel('A').getcolors()[0][0], 876) + assert im.getchannel("A").getcolors()[0][0] == 876 - def test_save_p_transparent_palette(self): + def test_save_p_transparent_palette(self, tmp_path): in_file = "Tests/images/pil123p.png" - im = Image.open(in_file) + with Image.open(in_file) as im: + # 'transparency' contains a byte string with the opacity for + # each palette entry + assert len(im.info["transparency"]) == 256 - # 'transparency' contains a byte string with the opacity for - # each palette entry - self.assertEqual(len(im.info["transparency"]), 256) - - test_file = self.tempfile("temp.png") - im.save(test_file) + test_file = str(tmp_path / "temp.png") + im.save(test_file) # check if saved image contains same transparency - im = Image.open(test_file) - self.assertEqual(len(im.info["transparency"]), 256) + with Image.open(test_file) as im: + assert len(im.info["transparency"]) == 256 - self.assert_image(im, "P", (162, 150)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (162, 150)) + assert_image(im, "P", (162, 150)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (162, 150)) # image has 124 unique alpha values - self.assertEqual(len(im.getchannel('A').getcolors()), 124) + assert len(im.getchannel("A").getcolors()) == 124 - def test_save_p_single_transparency(self): + def test_save_p_single_transparency(self, tmp_path): in_file = "Tests/images/p_trns_single.png" - im = Image.open(in_file) + with Image.open(in_file) as im: + # pixel value 164 is full transparent + assert im.info["transparency"] == 164 + assert im.getpixel((31, 31)) == 164 - # pixel value 164 is full transparent - self.assertEqual(im.info["transparency"], 164) - self.assertEqual(im.getpixel((31, 31)), 164) - - test_file = self.tempfile("temp.png") - im.save(test_file) + test_file = str(tmp_path / "temp.png") + im.save(test_file) # check if saved image contains same transparency - im = Image.open(test_file) - self.assertEqual(im.info["transparency"], 164) - self.assertEqual(im.getpixel((31, 31)), 164) - self.assert_image(im, "P", (64, 64)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (64, 64)) + with Image.open(test_file) as im: + assert im.info["transparency"] == 164 + assert im.getpixel((31, 31)) == 164 + assert_image(im, "P", (64, 64)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (64, 64)) - self.assertEqual(im.getpixel((31, 31)), (0, 255, 52, 0)) + assert im.getpixel((31, 31)) == (0, 255, 52, 0) # image has 876 transparent pixels - self.assertEqual(im.getchannel('A').getcolors()[0][0], 876) + assert im.getchannel("A").getcolors()[0][0] == 876 - def test_save_p_transparent_black(self): + def test_save_p_transparent_black(self, tmp_path): # check if solid black image with full transparency # is supported (check for #1838) im = Image.new("RGBA", (10, 10), (0, 0, 0, 0)) - self.assertEqual(im.getcolors(), [(100, (0, 0, 0, 0))]) + assert im.getcolors() == [(100, (0, 0, 0, 0))] im = im.convert("P") - test_file = self.tempfile("temp.png") + test_file = str(tmp_path / "temp.png") im.save(test_file) # check if saved image contains same transparency - im = Image.open(test_file) - self.assertEqual(len(im.info["transparency"]), 256) - self.assert_image(im, "P", (10, 10)) - im = im.convert("RGBA") - self.assert_image(im, "RGBA", (10, 10)) - self.assertEqual(im.getcolors(), [(100, (0, 0, 0, 0))]) - - def test_save_l_transparency(self): - in_file = "Tests/images/l_trns.png" - im = Image.open(in_file) - - test_file = self.tempfile("temp.png") - im.save(test_file) - - # There are 559 transparent pixels. - im = im.convert('RGBA') - self.assertEqual(im.getchannel('A').getcolors()[0][0], 559) - - def test_save_rgb_single_transparency(self): + with Image.open(test_file) as im: + assert len(im.info["transparency"]) == 256 + assert_image(im, "P", (10, 10)) + im = im.convert("RGBA") + assert_image(im, "RGBA", (10, 10)) + assert im.getcolors() == [(100, (0, 0, 0, 0))] + + def test_save_greyscale_transparency(self, tmp_path): + for mode, num_transparent in {"1": 1994, "L": 559, "I": 559}.items(): + in_file = "Tests/images/" + mode.lower() + "_trns.png" + with Image.open(in_file) as im: + assert im.mode == mode + assert im.info["transparency"] == 255 + + im_rgba = im.convert("RGBA") + assert im_rgba.getchannel("A").getcolors()[0][0] == num_transparent + + test_file = str(tmp_path / "temp.png") + im.save(test_file) + + with Image.open(test_file) as test_im: + assert test_im.mode == mode + assert test_im.info["transparency"] == 255 + assert_image_equal(im, test_im) + + test_im_rgba = test_im.convert("RGBA") + assert test_im_rgba.getchannel("A").getcolors()[0][0] == num_transparent + + def test_save_rgb_single_transparency(self, tmp_path): in_file = "Tests/images/caption_6_33_22.png" - im = Image.open(in_file) - - test_file = self.tempfile("temp.png") - im.save(test_file) + with Image.open(in_file) as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file) def test_load_verify(self): # Check open/load/verify exception (@PIL150) - im = Image.open(TEST_PNG_FILE) - im.verify() + with Image.open(TEST_PNG_FILE) as im: + # Assert that there is no unclosed file warning + with pytest.warns(None) as record: + im.verify() + assert not record - im = Image.open(TEST_PNG_FILE) - im.load() - self.assertRaises(RuntimeError, im.verify) + with Image.open(TEST_PNG_FILE) as im: + im.load() + with pytest.raises(RuntimeError): + im.verify() def test_verify_struct_error(self): # Check open/load/verify exception (#1755) - # offsets to test, -10: breaks in i32() in read. (IOError) + # offsets to test, -10: breaks in i32() in read. (OSError) # -13: breaks in crc, txt chunk. # -14: malformed chunk for offset in (-10, -13, -14): - with open(TEST_PNG_FILE, 'rb') as f: + with open(TEST_PNG_FILE, "rb") as f: test_file = f.read()[:offset] - im = Image.open(BytesIO(test_file)) - self.assertIsNotNone(im.fp) - self.assertRaises((IOError, SyntaxError), im.verify) + with Image.open(BytesIO(test_file)) as im: + assert im.fp is not None + with pytest.raises((OSError, SyntaxError)): + im.verify() def test_verify_ignores_crc_error(self): # check ignores crc errors in ancillary chunks - chunk_data = chunk(b'tEXt', b'spam') - broken_crc_chunk_data = chunk_data[:-1] + b'q' # break CRC + chunk_data = chunk(b"tEXt", b"spam") + broken_crc_chunk_data = chunk_data[:-1] + b"q" # break CRC image_data = HEAD + broken_crc_chunk_data + TAIL - self.assertRaises(SyntaxError, PngImagePlugin.PngImageFile, BytesIO(image_data)) + with pytest.raises(SyntaxError): + PngImagePlugin.PngImageFile(BytesIO(image_data)) ImageFile.LOAD_TRUNCATED_IMAGES = True try: im = load(image_data) - self.assertIsNotNone(im) + assert im is not None finally: ImageFile.LOAD_TRUNCATED_IMAGES = False def test_verify_not_ignores_crc_error_in_required_chunk(self): # check does not ignore crc errors in required chunks - image_data = MAGIC + IHDR[:-1] + b'q' + TAIL + image_data = MAGIC + IHDR[:-1] + b"q" + TAIL ImageFile.LOAD_TRUNCATED_IMAGES = True try: - self.assertRaises(SyntaxError, PngImagePlugin.PngImageFile, BytesIO(image_data)) + with pytest.raises(SyntaxError): + PngImagePlugin.PngImageFile(BytesIO(image_data)) finally: ImageFile.LOAD_TRUNCATED_IMAGES = False def test_roundtrip_dpi(self): # Check dpi roundtripping - im = Image.open(TEST_PNG_FILE) + with Image.open(TEST_PNG_FILE) as im: + im = roundtrip(im, dpi=(100.33, 100.33)) + assert im.info["dpi"] == (100.33, 100.33) - im = roundtrip(im, dpi=(100, 100)) - self.assertEqual(im.info["dpi"], (100, 100)) + def test_load_float_dpi(self): + with Image.open(TEST_PNG_FILE) as im: + assert im.info["dpi"] == (95.9866, 95.9866) def test_roundtrip_text(self): # Check text roundtripping - im = Image.open(TEST_PNG_FILE) - - info = PngImagePlugin.PngInfo() - info.add_text("TXT", "VALUE") - info.add_text("ZIP", "VALUE", zip=True) + with Image.open(TEST_PNG_FILE) as im: + info = PngImagePlugin.PngInfo() + info.add_text("TXT", "VALUE") + info.add_text("ZIP", "VALUE", zip=True) - im = roundtrip(im, pnginfo=info) - self.assertEqual(im.info, {'TXT': 'VALUE', 'ZIP': 'VALUE'}) - self.assertEqual(im.text, {'TXT': 'VALUE', 'ZIP': 'VALUE'}) + im = roundtrip(im, pnginfo=info) + assert im.info == {"TXT": "VALUE", "ZIP": "VALUE"} + assert im.text == {"TXT": "VALUE", "ZIP": "VALUE"} def test_roundtrip_itxt(self): # Check iTXt roundtripping @@ -387,16 +414,15 @@ def test_roundtrip_itxt(self): im = Image.new("RGB", (32, 32)) info = PngImagePlugin.PngInfo() info.add_itxt("spam", "Eggs", "en", "Spam") - info.add_text("eggs", PngImagePlugin.iTXt("Spam", "en", "Eggs"), - zip=True) + info.add_text("eggs", PngImagePlugin.iTXt("Spam", "en", "Eggs"), zip=True) im = roundtrip(im, pnginfo=info) - self.assertEqual(im.info, {"spam": "Eggs", "eggs": "Spam"}) - self.assertEqual(im.text, {"spam": "Eggs", "eggs": "Spam"}) - self.assertEqual(im.text["spam"].lang, "en") - self.assertEqual(im.text["spam"].tkey, "Spam") - self.assertEqual(im.text["eggs"].lang, "en") - self.assertEqual(im.text["eggs"].tkey, "Eggs") + assert im.info == {"spam": "Eggs", "eggs": "Spam"} + assert im.text == {"spam": "Eggs", "eggs": "Spam"} + assert im.text["spam"].lang == "en" + assert im.text["spam"].tkey == "Spam" + assert im.text["eggs"].lang == "en" + assert im.text["eggs"].tkey == "Eggs" def test_nonunicode_text(self): # Check so that non-Unicode text is saved as a tEXt rather than iTXt @@ -405,26 +431,23 @@ def test_nonunicode_text(self): info = PngImagePlugin.PngInfo() info.add_text("Text", "Ascii") im = roundtrip(im, pnginfo=info) - self.assertIsInstance(im.info["Text"], str) + assert isinstance(im.info["Text"], str) def test_unicode_text(self): - # Check preservation of non-ASCII characters on Python 3 - # This cannot really be meaningfully tested on Python 2, - # since it didn't preserve charsets to begin with. + # Check preservation of non-ASCII characters def rt_text(value): im = Image.new("RGB", (32, 32)) info = PngImagePlugin.PngInfo() info.add_text("Text", value) im = roundtrip(im, pnginfo=info) - self.assertEqual(im.info, {"Text": value}) + assert im.info == {"Text": value} - if str is not bytes: - rt_text(" Aa" + chr(0xa0) + chr(0xc4) + chr(0xff)) # Latin1 - rt_text(chr(0x400) + chr(0x472) + chr(0x4ff)) # Cyrillic - rt_text(chr(0x4e00) + chr(0x66f0) + # CJK - chr(0x9fba) + chr(0x3042) + chr(0xac00)) - rt_text("A" + chr(0xc4) + chr(0x472) + chr(0x3042)) # Combined + rt_text(" Aa" + chr(0xA0) + chr(0xC4) + chr(0xFF)) # Latin1 + rt_text(chr(0x400) + chr(0x472) + chr(0x4FF)) # Cyrillic + # CJK: + rt_text(chr(0x4E00) + chr(0x66F0) + chr(0x9FBA) + chr(0x3042) + chr(0xAC00)) + rt_text("A" + chr(0xC4) + chr(0x472) + chr(0x3042)) # Combined def test_scary(self): # Check reading of evil PNG file. For information, see: @@ -432,124 +455,318 @@ def test_scary(self): # The first byte is removed from pngtest_bad.png # to avoid classification as malware. - with open("Tests/images/pngtest_bad.png.bin", 'rb') as fd: - data = b'\x89' + fd.read() + with open("Tests/images/pngtest_bad.png.bin", "rb") as fd: + data = b"\x89" + fd.read() pngfile = BytesIO(data) - self.assertRaises(IOError, Image.open, pngfile) + with pytest.raises(OSError): + with Image.open(pngfile): + pass def test_trns_rgb(self): # Check writing and reading of tRNS chunks for RGB images. # Independent file sample provided by Sebastian Spaeth. test_file = "Tests/images/caption_6_33_22.png" - im = Image.open(test_file) - self.assertEqual(im.info["transparency"], (248, 248, 248)) + with Image.open(test_file) as im: + assert im.info["transparency"] == (248, 248, 248) - # check saving transparency by default - im = roundtrip(im) - self.assertEqual(im.info["transparency"], (248, 248, 248)) + # check saving transparency by default + im = roundtrip(im) + assert im.info["transparency"] == (248, 248, 248) im = roundtrip(im, transparency=(0, 1, 2)) - self.assertEqual(im.info["transparency"], (0, 1, 2)) + assert im.info["transparency"] == (0, 1, 2) - def test_trns_p(self): + def test_trns_p(self, tmp_path): # Check writing a transparency of 0, issue #528 - im = hopper('P') - im.info['transparency'] = 0 + im = hopper("P") + im.info["transparency"] = 0 - f = self.tempfile("temp.png") + f = str(tmp_path / "temp.png") im.save(f) - im2 = Image.open(f) - self.assertIn('transparency', im2.info) + with Image.open(f) as im2: + assert "transparency" in im2.info - self.assert_image_equal(im2.convert('RGBA'), - im.convert('RGBA')) + assert_image_equal(im2.convert("RGBA"), im.convert("RGBA")) def test_trns_null(self): # Check reading images with null tRNS value, issue #1239 test_file = "Tests/images/tRNS_null_1x1.png" - im = Image.open(test_file) + with Image.open(test_file) as im: - self.assertEqual(im.info["transparency"], 0) + assert im.info["transparency"] == 0 def test_save_icc_profile(self): - im = Image.open("Tests/images/icc_profile_none.png") - self.assertIsNone(im.info['icc_profile']) + with Image.open("Tests/images/icc_profile_none.png") as im: + assert im.info["icc_profile"] is None - with_icc = Image.open("Tests/images/icc_profile.png") - expected_icc = with_icc.info['icc_profile'] + with Image.open("Tests/images/icc_profile.png") as with_icc: + expected_icc = with_icc.info["icc_profile"] - im = roundtrip(im, icc_profile=expected_icc) - self.assertEqual(im.info['icc_profile'], expected_icc) + im = roundtrip(im, icc_profile=expected_icc) + assert im.info["icc_profile"] == expected_icc def test_discard_icc_profile(self): - im = Image.open('Tests/images/icc_profile.png') + with Image.open("Tests/images/icc_profile.png") as im: + assert "icc_profile" in im.info - im = roundtrip(im, icc_profile=None) - self.assertNotIn('icc_profile', im.info) + im = roundtrip(im, icc_profile=None) + assert "icc_profile" not in im.info def test_roundtrip_icc_profile(self): - im = Image.open('Tests/images/icc_profile.png') - expected_icc = im.info['icc_profile'] + with Image.open("Tests/images/icc_profile.png") as im: + expected_icc = im.info["icc_profile"] - im = roundtrip(im) - self.assertEqual(im.info['icc_profile'], expected_icc) + im = roundtrip(im) + assert im.info["icc_profile"] == expected_icc def test_roundtrip_no_icc_profile(self): - im = Image.open("Tests/images/icc_profile_none.png") - self.assertIsNone(im.info['icc_profile']) + with Image.open("Tests/images/icc_profile_none.png") as im: + assert im.info["icc_profile"] is None - im = roundtrip(im) - self.assertNotIn('icc_profile', im.info) + im = roundtrip(im) + assert "icc_profile" not in im.info def test_repr_png(self): im = hopper() - repr_png = Image.open(BytesIO(im._repr_png_())) - self.assertEqual(repr_png.format, 'PNG') - self.assert_image_equal(im, repr_png) + with Image.open(BytesIO(im._repr_png_())) as repr_png: + assert repr_png.format == "PNG" + assert_image_equal(im, repr_png) - def test_chunk_order(self): - im = Image.open("Tests/images/icc_profile.png") - test_file = self.tempfile("temp.png") - im.convert("P").save(test_file, dpi=(100, 100)) + def test_repr_png_error(self): + im = hopper("F") + + with pytest.raises(ValueError): + im._repr_png_() + + def test_chunk_order(self, tmp_path): + with Image.open("Tests/images/icc_profile.png") as im: + test_file = str(tmp_path / "temp.png") + im.convert("P").save(test_file, dpi=(100, 100)) chunks = self.get_chunks(test_file) # https://www.w3.org/TR/PNG/#5ChunkOrdering # IHDR - shall be first - self.assertEqual(chunks.index(b"IHDR"), 0) + assert chunks.index(b"IHDR") == 0 # PLTE - before first IDAT - self.assertLess(chunks.index(b"PLTE"), chunks.index(b"IDAT")) + assert chunks.index(b"PLTE") < chunks.index(b"IDAT") # iCCP - before PLTE and IDAT - self.assertLess(chunks.index(b"iCCP"), chunks.index(b"PLTE")) - self.assertLess(chunks.index(b"iCCP"), chunks.index(b"IDAT")) + assert chunks.index(b"iCCP") < chunks.index(b"PLTE") + assert chunks.index(b"iCCP") < chunks.index(b"IDAT") # tRNS - after PLTE, before IDAT - self.assertGreater(chunks.index(b"tRNS"), chunks.index(b"PLTE")) - self.assertLess(chunks.index(b"tRNS"), chunks.index(b"IDAT")) + assert chunks.index(b"tRNS") > chunks.index(b"PLTE") + assert chunks.index(b"tRNS") < chunks.index(b"IDAT") # pHYs - before IDAT - self.assertLess(chunks.index(b"pHYs"), chunks.index(b"IDAT")) + assert chunks.index(b"pHYs") < chunks.index(b"IDAT") def test_getchunks(self): im = hopper() chunks = PngImagePlugin.getchunks(im) - self.assertEqual(len(chunks), 3) + assert len(chunks) == 3 + def test_read_private_chunks(self): + with Image.open("Tests/images/exif.png") as im: + assert im.private_chunks == [(b"orNT", b"\x01")] -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestTruncatedPngPLeaks(PillowLeakTestCase): - mem_limit = 2*1024 # max increase in K - iterations = 100 # Leak is 56k/iteration, this will leak 5.6megs + def test_roundtrip_private_chunk(self): + # Check private chunk roundtripping + + with Image.open(TEST_PNG_FILE) as im: + info = PngImagePlugin.PngInfo() + info.add(b"prIV", b"VALUE") + info.add(b"atEC", b"VALUE2") + info.add(b"prIV", b"VALUE3", True) + + im = roundtrip(im, pnginfo=info) + assert im.private_chunks == [(b"prIV", b"VALUE"), (b"atEC", b"VALUE2")] + im.load() + assert im.private_chunks == [ + (b"prIV", b"VALUE"), + (b"atEC", b"VALUE2"), + (b"prIV", b"VALUE3", True), + ] + + def test_textual_chunks_after_idat(self): + with Image.open("Tests/images/hopper.png") as im: + assert "comment" in im.text.keys() + for k, v in { + "date:create": "2014-09-04T09:37:08+03:00", + "date:modify": "2014-09-04T09:37:08+03:00", + }.items(): + assert im.text[k] == v + + # Raises a SyntaxError in load_end + with Image.open("Tests/images/broken_data_stream.png") as im: + with pytest.raises(OSError): + assert isinstance(im.text, dict) + + # Raises a UnicodeDecodeError in load_end + with Image.open("Tests/images/truncated_image.png") as im: + # The file is truncated + with pytest.raises(OSError): + im.text() + ImageFile.LOAD_TRUNCATED_IMAGES = True + assert isinstance(im.text, dict) + ImageFile.LOAD_TRUNCATED_IMAGES = False + + # Raises an EOFError in load_end + with Image.open("Tests/images/hopper_idat_after_image_end.png") as im: + assert im.text == {"TXT": "VALUE", "ZIP": "VALUE"} + + def test_padded_idat(self): + # This image has been manually hexedited + # so that the IDAT chunk has padding at the end + # Set MAXBLOCK to the length of the actual data + # so that the decoder finishes reading before the chunk ends + MAXBLOCK = ImageFile.MAXBLOCK + ImageFile.MAXBLOCK = 45 + ImageFile.LOAD_TRUNCATED_IMAGES = True + + with Image.open("Tests/images/padded_idat.png") as im: + im.load() + + ImageFile.MAXBLOCK = MAXBLOCK + ImageFile.LOAD_TRUNCATED_IMAGES = False + + assert_image_equal_tofile(im, "Tests/images/bw_gradient.png") + + def test_specify_bits(self, tmp_path): + im = hopper("P") + + out = str(tmp_path / "temp.png") + im.save(out, bits=4) + + with Image.open(out) as reloaded: + assert len(reloaded.png.im_palette[1]) == 48 + + def test_plte_length(self, tmp_path): + im = Image.new("P", (1, 1)) + im.putpalette((1, 1, 1)) + + out = str(tmp_path / "temp.png") + im.save(str(tmp_path / "temp.png")) + + with Image.open(out) as reloaded: + assert len(reloaded.png.im_palette[1]) == 3 + + def test_getxmp(self): + with Image.open("Tests/images/color_snakes.png") as im: + if ElementTree is None: + with pytest.warns(UserWarning): + assert im.getxmp() == {} + else: + xmp = im.getxmp() + + description = xmp["xmpmeta"]["RDF"]["Description"] + assert description["PixelXDimension"] == "10" + assert description["subject"]["Seq"] is None - def setUp(self): - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zip/deflate support not available") + def test_exif(self): + # With an EXIF chunk + with Image.open("Tests/images/exif.png") as im: + exif = im._getexif() + assert exif[274] == 1 + + # With an ImageMagick zTXt chunk + with Image.open("Tests/images/exif_imagemagick.png") as im: + exif = im._getexif() + assert exif[274] == 1 + + # Assert that info still can be extracted + # when the image is no longer a PngImageFile instance + exif = im.copy().getexif() + assert exif[274] == 1 + + # With a tEXt chunk + with Image.open("Tests/images/exif_text.png") as im: + exif = im._getexif() + assert exif[274] == 1 + + # With XMP tags + with Image.open("Tests/images/xmp_tags_orientation.png") as im: + exif = im.getexif() + assert exif[274] == 3 + + def test_exif_save(self, tmp_path): + with Image.open("Tests/images/exif.png") as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file) + + with Image.open(test_file) as reloaded: + exif = reloaded._getexif() + assert exif[274] == 1 + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) + def test_exif_from_jpg(self, tmp_path): + with Image.open("Tests/images/pil_sample_rgb.jpg") as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file) + + with Image.open(test_file) as reloaded: + exif = reloaded._getexif() + assert exif[305] == "Adobe Photoshop CS Macintosh" + + def test_exif_argument(self, tmp_path): + with Image.open(TEST_PNG_FILE) as im: + test_file = str(tmp_path / "temp.png") + im.save(test_file, exif=b"exifstring") + + with Image.open(test_file) as reloaded: + assert reloaded.info["exif"] == b"Exif\x00\x00exifstring" + + def test_tell(self): + with Image.open(TEST_PNG_FILE) as im: + assert im.tell() == 0 + + def test_seek(self): + with Image.open(TEST_PNG_FILE) as im: + im.seek(0) + + with pytest.raises(EOFError): + im.seek(1) + + @pytest.mark.parametrize("buffer", (True, False)) + def test_save_stdout(self, buffer): + old_stdout = sys.stdout + + if buffer: + + class MyStdOut: + buffer = BytesIO() + + mystdout = MyStdOut() + else: + mystdout = BytesIO() + + sys.stdout = mystdout + + with Image.open(TEST_PNG_FILE) as im: + im.save(sys.stdout, "PNG") + + # Reset stdout + sys.stdout = old_stdout + + if buffer: + mystdout = mystdout.buffer + with Image.open(mystdout) as reloaded: + assert_image_equal_tofile(reloaded, TEST_PNG_FILE) + + +@pytest.mark.skipif(is_win32(), reason="Requires Unix or macOS") +@skip_unless_feature("zlib") +class TestTruncatedPngPLeaks(PillowLeakTestCase): + mem_limit = 2 * 1024 # max increase in K + iterations = 100 # Leak is 56k/iteration, this will leak 5.6megs def test_leak_load(self): - with open('Tests/images/hopper.png', 'rb') as f: + with open("Tests/images/hopper.png", "rb") as f: DATA = BytesIO(f.read(16 * 1024)) ImageFile.LOAD_TRUNCATED_IMAGES = True @@ -564,7 +781,3 @@ def core(): self._test_leak(core) finally: ImageFile.LOAD_TRUNCATED_IMAGES = False - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_file_ppm.py b/Tests/test_file_ppm.py index 937a9dc322d..ad36319db27 100644 --- a/Tests/test_file_ppm.py +++ b/Tests/test_file_ppm.py @@ -1,55 +1,112 @@ -from helper import unittest, PillowTestCase +import sys +from io import BytesIO + +import pytest from PIL import Image -# sample ppm stream -test_file = "Tests/images/hopper.ppm" +from .helper import assert_image_equal_tofile, assert_image_similar, hopper +# sample ppm stream +TEST_FILE = "Tests/images/hopper.ppm" -class TestFilePpm(PillowTestCase): - def test_sanity(self): - im = Image.open(test_file) +def test_sanity(): + with Image.open(TEST_FILE) as im: im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PPM") + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format, "PPM" + assert im.get_format_mimetype() == "image/x-portable-pixmap" - def test_16bit_pgm(self): - im = Image.open('Tests/images/16_bit_binary.pgm') + +def test_16bit_pgm(): + with Image.open("Tests/images/16_bit_binary.pgm") as im: im.load() - self.assertEqual(im.mode, 'I') - self.assertEqual(im.size, (20, 100)) + assert im.mode == "I" + assert im.size == (20, 100) + assert im.get_format_mimetype() == "image/x-portable-graymap" + + assert_image_equal_tofile(im, "Tests/images/16_bit_binary_pgm.png") - tgt = Image.open('Tests/images/16_bit_binary_pgm.png') - self.assert_image_equal(im, tgt) - def test_16bit_pgm_write(self): - im = Image.open('Tests/images/16_bit_binary.pgm') +def test_16bit_pgm_write(tmp_path): + with Image.open("Tests/images/16_bit_binary.pgm") as im: im.load() - f = self.tempfile('temp.pgm') - im.save(f, 'PPM') + f = str(tmp_path / "temp.pgm") + im.save(f, "PPM") + + assert_image_equal_tofile(im, f) + + +def test_pnm(tmp_path): + with Image.open("Tests/images/hopper.pnm") as im: + assert_image_similar(im, hopper(), 0.0001) + + f = str(tmp_path / "temp.pnm") + im.save(f) + + assert_image_equal_tofile(im, f) + + +def test_truncated_file(tmp_path): + path = str(tmp_path / "temp.pgm") + with open(path, "w") as f: + f.write("P6") + + with pytest.raises(ValueError): + with Image.open(path): + pass + + +def test_neg_ppm(): + # Storage.c accepted negative values for xsize, ysize. the + # internal open_ppm function didn't check for sanity but it + # has been removed. The default opener doesn't accept negative + # sizes. + + with pytest.raises(OSError): + with Image.open("Tests/images/negative_size.ppm"): + pass + + +def test_mimetypes(tmp_path): + path = str(tmp_path / "temp.pgm") + + with open(path, "w") as f: + f.write("P4\n128 128\n255") + with Image.open(path) as im: + assert im.get_format_mimetype() == "image/x-portable-bitmap" + + with open(path, "w") as f: + f.write("PyCMYK\n128 128\n255") + with Image.open(path) as im: + assert im.get_format_mimetype() == "image/x-portable-anymap" + + +@pytest.mark.parametrize("buffer", (True, False)) +def test_save_stdout(buffer): + old_stdout = sys.stdout - reloaded = Image.open(f) - self.assert_image_equal(im, reloaded) + if buffer: - def test_truncated_file(self): - path = self.tempfile('temp.pgm') - with open(path, 'w') as f: - f.write('P6') + class MyStdOut: + buffer = BytesIO() - self.assertRaises(ValueError, Image.open, path) + mystdout = MyStdOut() + else: + mystdout = BytesIO() - def test_neg_ppm(self): - # Storage.c accepted negative values for xsize, ysize. the - # internal open_ppm function didn't check for sanity but it - # has been removed. The default opener doesn't accept negative - # sizes. + sys.stdout = mystdout - with self.assertRaises(IOError): - Image.open('Tests/images/negative_size.ppm') + with Image.open(TEST_FILE) as im: + im.save(sys.stdout, "PPM") + # Reset stdout + sys.stdout = old_stdout -if __name__ == '__main__': - unittest.main() + if buffer: + mystdout = mystdout.buffer + with Image.open(mystdout) as reloaded: + assert_image_equal_tofile(reloaded, TEST_FILE) diff --git a/Tests/test_file_psd.py b/Tests/test_file_psd.py index afc69694d77..f50fe133ffc 100644 --- a/Tests/test_file_psd.py +++ b/Tests/test_file_psd.py @@ -1,82 +1,155 @@ -from helper import hopper, unittest, PillowTestCase +import pytest from PIL import Image, PsdImagePlugin -test_file = "Tests/images/hopper.psd" +from .helper import assert_image_similar, hopper, is_pypy +test_file = "Tests/images/hopper.psd" -class TestImagePsd(PillowTestCase): - def test_sanity(self): - im = Image.open(test_file) +def test_sanity(): + with Image.open(test_file) as im: im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PSD") + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "PSD" + assert im.get_format_mimetype() == "image/vnd.adobe.photoshop" im2 = hopper() - self.assert_image_similar(im, im2, 4.8) + assert_image_similar(im, im2, 4.8) - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - PsdImagePlugin.PsdImageFile, invalid_file) +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + im = Image.open(test_file) + im.load() - def test_n_frames(self): - im = Image.open("Tests/images/hopper_merged.psd") - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) + pytest.warns(ResourceWarning, open) - im = Image.open(test_file) - self.assertEqual(im.n_frames, 2) - self.assertTrue(im.is_animated) - def test_eoferror(self): +def test_closed_file(): + with pytest.warns(None) as record: im = Image.open(test_file) + im.load() + im.close() + + assert not record + + +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(test_file) as im: + im.load() + + assert not record + + +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" + + with pytest.raises(SyntaxError): + PsdImagePlugin.PsdImageFile(invalid_file) + + +def test_n_frames(): + with Image.open("Tests/images/hopper_merged.psd") as im: + assert im.n_frames == 1 + assert not im.is_animated + + for path in [test_file, "Tests/images/negative_layer_count.psd"]: + with Image.open(path) as im: + assert im.n_frames == 2 + assert im.is_animated + + +def test_eoferror(): + with Image.open(test_file) as im: # PSD seek index starts at 1 rather than 0 - n_frames = im.n_frames+1 + n_frames = im.n_frames + 1 # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) + im.seek(n_frames - 1) - def test_seek_tell(self): - im = Image.open(test_file) + +def test_seek_tell(): + with Image.open(test_file) as im: layer_number = im.tell() - self.assertEqual(layer_number, 1) + assert layer_number == 1 - self.assertRaises(EOFError, im.seek, 0) + with pytest.raises(EOFError): + im.seek(0) im.seek(1) layer_number = im.tell() - self.assertEqual(layer_number, 1) + assert layer_number == 1 im.seek(2) layer_number = im.tell() - self.assertEqual(layer_number, 2) + assert layer_number == 2 - def test_seek_eoferror(self): - im = Image.open(test_file) - self.assertRaises(EOFError, im.seek, -1) +def test_seek_eoferror(): + with Image.open(test_file) as im: - def test_icc_profile(self): - im = Image.open(test_file) - self.assertIn("icc_profile", im.info) + with pytest.raises(EOFError): + im.seek(-1) - icc_profile = im.info["icc_profile"] - self.assertEqual(len(icc_profile), 3144) - def test_no_icc_profile(self): - im = Image.open("Tests/images/hopper_merged.psd") +def test_open_after_exclusive_load(): + with Image.open(test_file) as im: + im.load() + im.seek(im.tell() + 1) + im.load() - self.assertNotIn("icc_profile", im.info) +def test_icc_profile(): + with Image.open(test_file) as im: + assert "icc_profile" in im.info -if __name__ == '__main__': - unittest.main() + icc_profile = im.info["icc_profile"] + assert len(icc_profile) == 3144 + + +def test_no_icc_profile(): + with Image.open("Tests/images/hopper_merged.psd") as im: + assert "icc_profile" not in im.info + + +def test_combined_larger_than_size(): + # The 'combined' sizes of the individual parts is larger than the + # declared 'size' of the extra data field, resulting in a backwards seek. + + # If we instead take the 'size' of the extra data field as the source of truth, + # then the seek can't be negative + with pytest.raises(OSError): + with Image.open("Tests/images/combined_larger_than_size.psd"): + pass + + +@pytest.mark.parametrize( + "test_file,raises", + [ + ( + "Tests/images/timeout-1ee28a249896e05b83840ae8140622de8e648ba9.psd", + Image.UnidentifiedImageError, + ), + ( + "Tests/images/timeout-598843abc37fc080ec36a2699ebbd44f795d3a6f.psd", + Image.UnidentifiedImageError, + ), + ("Tests/images/timeout-c8efc3fded6426986ba867a399791bae544f59bc.psd", OSError), + ("Tests/images/timeout-dedc7a4ebd856d79b4359bbcc79e8ef231ce38f6.psd", OSError), + ], +) +def test_crashes(test_file, raises): + with open(test_file, "rb") as f: + with pytest.raises(raises): + with Image.open(f): + pass diff --git a/Tests/test_file_sgi.py b/Tests/test_file_sgi.py index f18fb13decd..6a5d8887d33 100644 --- a/Tests/test_file_sgi.py +++ b/Tests/test_file_sgi.py @@ -1,92 +1,105 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, SgiImagePlugin +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, +) -class TestFileSgi(PillowTestCase): - def test_rgb(self): - # Created with ImageMagick then renamed: - # convert hopper.ppm -compress None sgi:hopper.rgb - test_file = "Tests/images/hopper.rgb" +def test_rgb(): + # Created with ImageMagick then renamed: + # convert hopper.ppm -compress None sgi:hopper.rgb + test_file = "Tests/images/hopper.rgb" - im = Image.open(test_file) - self.assert_image_equal(im, hopper()) + with Image.open(test_file) as im: + assert_image_equal(im, hopper()) + assert im.get_format_mimetype() == "image/rgb" - def test_rgb16(self): - test_file = "Tests/images/hopper16.rgb" - im = Image.open(test_file) - self.assert_image_equal(im, hopper()) +def test_rgb16(): + assert_image_equal_tofile(hopper(), "Tests/images/hopper16.rgb") - def test_l(self): - # Created with ImageMagick - # convert hopper.ppm -monochrome -compress None sgi:hopper.bw - test_file = "Tests/images/hopper.bw" - im = Image.open(test_file) - self.assert_image_similar(im, hopper('L'), 2) +def test_l(): + # Created with ImageMagick + # convert hopper.ppm -monochrome -compress None sgi:hopper.bw + test_file = "Tests/images/hopper.bw" - def test_rgba(self): - # Created with ImageMagick: - # convert transparent.png -compress None transparent.sgi - test_file = "Tests/images/transparent.sgi" + with Image.open(test_file) as im: + assert_image_similar(im, hopper("L"), 2) + assert im.get_format_mimetype() == "image/sgi" - im = Image.open(test_file) - target = Image.open('Tests/images/transparent.png') - self.assert_image_equal(im, target) - def test_rle(self): - # Created with ImageMagick: - # convert hopper.ppm hopper.sgi - test_file = "Tests/images/hopper.sgi" +def test_rgba(): + # Created with ImageMagick: + # convert transparent.png -compress None transparent.sgi + test_file = "Tests/images/transparent.sgi" - im = Image.open(test_file) - target = Image.open('Tests/images/hopper.rgb') - self.assert_image_equal(im, target) + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/transparent.png") + assert im.get_format_mimetype() == "image/sgi" - def test_rle16(self): - test_file = "Tests/images/tv16.sgi" - im = Image.open(test_file) - target = Image.open('Tests/images/tv.rgb') - self.assert_image_equal(im, target) +def test_rle(): + # Created with ImageMagick: + # convert hopper.ppm hopper.sgi + test_file = "Tests/images/hopper.sgi" - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/hopper.rgb") - self.assertRaises(ValueError, - SgiImagePlugin.SgiImageFile, invalid_file) - def test_write(self): - def roundtrip(img): - out = self.tempfile('temp.sgi') - img.save(out, format='sgi') - reloaded = Image.open(out) - self.assert_image_equal(img, reloaded) +def test_rle16(): + test_file = "Tests/images/tv16.sgi" - for mode in ('L', 'RGB', 'RGBA'): - roundtrip(hopper(mode)) + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/tv.rgb") - # Test 1 dimension for an L mode image - roundtrip(Image.new('L', (10, 1))) - def test_write16(self): - test_file = "Tests/images/hopper16.rgb" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - im = Image.open(test_file) - out = self.tempfile('temp.sgi') - im.save(out, format='sgi', bpc=2) + with pytest.raises(ValueError): + SgiImagePlugin.SgiImageFile(invalid_file) - reloaded = Image.open(out) - self.assert_image_equal(im, reloaded) - - def test_unsupported_mode(self): - im = hopper('LA') - out = self.tempfile('temp.sgi') - self.assertRaises(ValueError, im.save, out, format='sgi') +def test_write(tmp_path): + def roundtrip(img): + out = str(tmp_path / "temp.sgi") + img.save(out, format="sgi") + assert_image_equal_tofile(img, out) + out = str(tmp_path / "fp.sgi") + with open(out, "wb") as fp: + img.save(fp) + assert_image_equal_tofile(img, out) -if __name__ == '__main__': - unittest.main() + assert not fp.closed + + for mode in ("L", "RGB", "RGBA"): + roundtrip(hopper(mode)) + + # Test 1 dimension for an L mode image + roundtrip(Image.new("L", (10, 1))) + + +def test_write16(tmp_path): + test_file = "Tests/images/hopper16.rgb" + + with Image.open(test_file) as im: + out = str(tmp_path / "temp.sgi") + im.save(out, format="sgi", bpc=2) + + assert_image_equal_tofile(im, out) + + +def test_unsupported_mode(tmp_path): + im = hopper("LA") + out = str(tmp_path / "temp.sgi") + + with pytest.raises(ValueError): + im.save(out, format="sgi") diff --git a/Tests/test_file_spider.py b/Tests/test_file_spider.py index b54b92e04bb..3c93160f11d 100644 --- a/Tests/test_file_spider.py +++ b/Tests/test_file_spider.py @@ -1,119 +1,163 @@ -from helper import unittest, PillowTestCase, hopper +import tempfile +from io import BytesIO -from PIL import Image -from PIL import ImageSequence -from PIL import SpiderImagePlugin +import pytest -import tempfile +from PIL import Image, ImageSequence, SpiderImagePlugin + +from .helper import assert_image_equal_tofile, hopper, is_pypy TEST_FILE = "Tests/images/hopper.spider" -class TestImageSpider(PillowTestCase): +def test_sanity(): + with Image.open(TEST_FILE) as im: + im.load() + assert im.mode == "F" + assert im.size == (128, 128) + assert im.format == "SPIDER" + - def test_sanity(self): +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): im = Image.open(TEST_FILE) im.load() - self.assertEqual(im.mode, "F") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "SPIDER") - def test_save(self): - # Arrange - temp = self.tempfile('temp.spider') - im = hopper() + pytest.warns(ResourceWarning, open) - # Act - im.save(temp, "SPIDER") - # Assert - im2 = Image.open(temp) - self.assertEqual(im2.mode, "F") - self.assertEqual(im2.size, (128, 128)) - self.assertEqual(im2.format, "SPIDER") +def test_closed_file(): + with pytest.warns(None) as record: + im = Image.open(TEST_FILE) + im.load() + im.close() - def test_tempfile(self): - # Arrange - im = hopper() + assert not record - # Act - with tempfile.TemporaryFile() as fp: - im.save(fp, "SPIDER") - # Assert - fp.seek(0) - reloaded = Image.open(fp) - self.assertEqual(reloaded.mode, "F") - self.assertEqual(reloaded.size, (128, 128)) - self.assertEqual(reloaded.format, "SPIDER") +def test_context_manager(): + with pytest.warns(None) as record: + with Image.open(TEST_FILE) as im: + im.load() - def test_isSpiderImage(self): - self.assertTrue(SpiderImagePlugin.isSpiderImage(TEST_FILE)) + assert not record - def test_tell(self): - # Arrange - im = Image.open(TEST_FILE) - # Act - index = im.tell() +def test_save(tmp_path): + # Arrange + temp = str(tmp_path / "temp.spider") + im = hopper() - # Assert - self.assertEqual(index, 0) + # Act + im.save(temp, "SPIDER") - def test_n_frames(self): - im = Image.open(TEST_FILE) - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) + # Assert + with Image.open(temp) as im2: + assert im2.mode == "F" + assert im2.size == (128, 128) + assert im2.format == "SPIDER" - def test_loadImageSeries(self): - # Arrange - not_spider_file = "Tests/images/hopper.ppm" - file_list = [TEST_FILE, not_spider_file, "path/not_found.ext"] - # Act - img_list = SpiderImagePlugin.loadImageSeries(file_list) +def test_tempfile(): + # Arrange + im = hopper() + + # Act + with tempfile.TemporaryFile() as fp: + im.save(fp, "SPIDER") # Assert - self.assertEqual(len(img_list), 1) - self.assertIsInstance(img_list[0], Image.Image) - self.assertEqual(img_list[0].size, (128, 128)) + fp.seek(0) + with Image.open(fp) as reloaded: + assert reloaded.mode == "F" + assert reloaded.size == (128, 128) + assert reloaded.format == "SPIDER" - def test_loadImageSeries_no_input(self): - # Arrange - file_list = None - # Act - img_list = SpiderImagePlugin.loadImageSeries(file_list) +def test_is_spider_image(): + assert SpiderImagePlugin.isSpiderImage(TEST_FILE) - # Assert - self.assertIsNone(img_list) - def test_isInt_not_a_number(self): - # Arrange - not_a_number = "a" +def test_tell(): + # Arrange + with Image.open(TEST_FILE) as im: # Act - ret = SpiderImagePlugin.isInt(not_a_number) + index = im.tell() # Assert - self.assertEqual(ret, 0) + assert index == 0 - def test_invalid_file(self): - invalid_file = "Tests/images/invalid.spider" - self.assertRaises(IOError, Image.open, invalid_file) +def test_n_frames(): + with Image.open(TEST_FILE) as im: + assert im.n_frames == 1 + assert not im.is_animated - def test_nonstack_file(self): - im = Image.open(TEST_FILE) - self.assertRaises(EOFError, im.seek, 0) +def test_load_image_series(): + # Arrange + not_spider_file = "Tests/images/hopper.ppm" + file_list = [TEST_FILE, not_spider_file, "path/not_found.ext"] - def test_nonstack_dos(self): - im = Image.open(TEST_FILE) + # Act + img_list = SpiderImagePlugin.loadImageSeries(file_list) + + # Assert + assert len(img_list) == 1 + assert isinstance(img_list[0], Image.Image) + assert img_list[0].size == (128, 128) + + +def test_load_image_series_no_input(): + # Arrange + file_list = None + + # Act + img_list = SpiderImagePlugin.loadImageSeries(file_list) + + # Assert + assert img_list is None + + +def test_is_int_not_a_number(): + # Arrange + not_a_number = "a" + + # Act + ret = SpiderImagePlugin.isInt(not_a_number) + + # Assert + assert ret == 0 + + +def test_invalid_file(): + invalid_file = "Tests/images/invalid.spider" + + with pytest.raises(OSError): + with Image.open(invalid_file): + pass + + +def test_nonstack_file(): + with Image.open(TEST_FILE) as im: + with pytest.raises(EOFError): + im.seek(0) + + +def test_nonstack_dos(): + with Image.open(TEST_FILE) as im: for i, frame in enumerate(ImageSequence.Iterator(im)): - if i > 1: - self.fail("Non-stack DOS file test failed") + assert i <= 1, "Non-stack DOS file test failed" + +# for issue #4093 +def test_odd_size(): + data = BytesIO() + width = 100 + im = Image.new("F", (width, 64)) + im.save(data, format="SPIDER") -if __name__ == '__main__': - unittest.main() + data.seek(0) + assert_image_equal_tofile(im, data) diff --git a/Tests/test_file_sun.py b/Tests/test_file_sun.py index 6bb6b98d47e..05c78c3161b 100644 --- a/Tests/test_file_sun.py +++ b/Tests/test_file_sun.py @@ -1,50 +1,48 @@ -from helper import unittest, PillowTestCase, hopper +import os -from PIL import Image, SunImagePlugin +import pytest -import os +from PIL import Image, SunImagePlugin -EXTRA_DIR = 'Tests/images/sunraster' +from .helper import assert_image_equal_tofile, assert_image_similar, hopper +EXTRA_DIR = "Tests/images/sunraster" -class TestFileSun(PillowTestCase): - def test_sanity(self): - # Arrange - # Created with ImageMagick: convert hopper.jpg hopper.ras - test_file = "Tests/images/hopper.ras" +def test_sanity(): + # Arrange + # Created with ImageMagick: convert hopper.jpg hopper.ras + test_file = "Tests/images/hopper.ras" - # Act - im = Image.open(test_file) + # Act + with Image.open(test_file) as im: # Assert - self.assertEqual(im.size, (128, 128)) - - self.assert_image_similar(im, hopper(), 5) # visually verified - - invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - SunImagePlugin.SunImageFile, invalid_file) - - def test_im1(self): - im = Image.open('Tests/images/sunraster.im1') - target = Image.open('Tests/images/sunraster.im1.png') - self.assert_image_equal(im, target) - - @unittest.skipIf(not os.path.exists(EXTRA_DIR), - "Extra image files not installed") - def test_others(self): - files = (os.path.join(EXTRA_DIR, f) for f in - os.listdir(EXTRA_DIR) if os.path.splitext(f)[1] - in ('.sun', '.SUN', '.ras')) - for path in files: - with Image.open(path) as im: - im.load() - self.assertIsInstance(im, SunImagePlugin.SunImageFile) - target_path = "%s.png" % os.path.splitext(path)[0] - # im.save(target_file) - with Image.open(target_path) as target: - self.assert_image_equal(im, target) - -if __name__ == '__main__': - unittest.main() + assert im.size == (128, 128) + + assert_image_similar(im, hopper(), 5) # visually verified + + invalid_file = "Tests/images/flower.jpg" + with pytest.raises(SyntaxError): + SunImagePlugin.SunImageFile(invalid_file) + + +def test_im1(): + with Image.open("Tests/images/sunraster.im1") as im: + assert_image_equal_tofile(im, "Tests/images/sunraster.im1.png") + + +@pytest.mark.skipif( + not os.path.exists(EXTRA_DIR), reason="Extra image files not installed" +) +def test_others(): + files = ( + os.path.join(EXTRA_DIR, f) + for f in os.listdir(EXTRA_DIR) + if os.path.splitext(f)[1] in (".sun", ".SUN", ".ras") + ) + for path in files: + with Image.open(path) as im: + im.load() + assert isinstance(im, SunImagePlugin.SunImageFile) + assert_image_equal_tofile(im, f"{os.path.splitext(path)[0]}.png") diff --git a/Tests/test_file_tar.py b/Tests/test_file_tar.py index 3dd075042cc..b38727fb9b2 100644 --- a/Tests/test_file_tar.py +++ b/Tests/test_file_tar.py @@ -1,36 +1,46 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import Image, TarIO +from PIL import Image, TarIO, features -codecs = dir(Image.core) +from .helper import is_pypy # Sample tar archive TEST_TAR_FILE = "Tests/images/hopper.tar" -class TestFileTar(PillowTestCase): +def test_sanity(): + for codec, test_path, format in [ + ["zlib", "hopper.png", "PNG"], + ["jpg", "hopper.jpg", "JPEG"], + ]: + if features.check(codec): + with TarIO.TarIO(TEST_TAR_FILE, test_path) as tar: + with Image.open(tar) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == format - def setUp(self): - if "zip_decoder" not in codecs and "jpeg_decoder" not in codecs: - self.skipTest("neither jpeg nor zip support not available") - def test_sanity(self): - if "zip_decoder" in codecs: - tar = TarIO.TarIO(TEST_TAR_FILE, 'hopper.png') - im = Image.open(tar) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "PNG") +@pytest.mark.skipif(is_pypy(), reason="Requires CPython") +def test_unclosed_file(): + def open(): + TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg") - if "jpeg_decoder" in codecs: - tar = TarIO.TarIO(TEST_TAR_FILE, 'hopper.jpg') - im = Image.open(tar) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "JPEG") + pytest.warns(ResourceWarning, open) -if __name__ == '__main__': - unittest.main() +def test_close(): + with pytest.warns(None) as record: + tar = TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg") + tar.close() + + assert not record + + +def test_contextmanager(): + with pytest.warns(None) as record: + with TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg"): + pass + + assert not record diff --git a/Tests/test_file_tga.py b/Tests/test_file_tga.py index ef3acfe6549..e2351d72362 100644 --- a/Tests/test_file_tga.py +++ b/Tests/test_file_tga.py @@ -1,68 +1,232 @@ -from helper import unittest, PillowTestCase +import os +from glob import glob +from itertools import product + +import pytest from PIL import Image +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +_TGA_DIR = os.path.join("Tests", "images", "tga") +_TGA_DIR_COMMON = os.path.join(_TGA_DIR, "common") + + +_MODES = ("L", "LA", "P", "RGB", "RGBA") +_ORIGINS = ("tl", "bl") + +_ORIGIN_TO_ORIENTATION = {"tl": 1, "bl": -1} + + +def test_sanity(tmp_path): + for mode in _MODES: + + def roundtrip(original_im): + out = str(tmp_path / "temp.tga") + + original_im.save(out, rle=rle) + with Image.open(out) as saved_im: + if rle: + assert ( + saved_im.info["compression"] == original_im.info["compression"] + ) + assert saved_im.info["orientation"] == original_im.info["orientation"] + if mode == "P": + assert saved_im.getpalette() == original_im.getpalette() + + assert_image_equal(saved_im, original_im) + + png_paths = glob(os.path.join(_TGA_DIR_COMMON, f"*x*_{mode.lower()}.png")) + + for png_path in png_paths: + with Image.open(png_path) as reference_im: + assert reference_im.mode == mode -class TestFileTga(PillowTestCase): + path_no_ext = os.path.splitext(png_path)[0] + for origin, rle in product(_ORIGINS, (True, False)): + tga_path = "{}_{}_{}.tga".format( + path_no_ext, origin, "rle" if rle else "raw" + ) - def test_id_field(self): - # tga file with id field - test_file = "Tests/images/tga_id_field.tga" + with Image.open(tga_path) as original_im: + assert original_im.format == "TGA" + assert original_im.get_format_mimetype() == "image/x-tga" + if rle: + assert original_im.info["compression"] == "tga_rle" + assert ( + original_im.info["orientation"] + == _ORIGIN_TO_ORIENTATION[origin] + ) + if mode == "P": + assert original_im.getpalette() == reference_im.getpalette() - # Act - im = Image.open(test_file) + assert_image_equal(original_im, reference_im) + + roundtrip(original_im) + + +def test_palette_depth_16(tmp_path): + with Image.open("Tests/images/p_16.tga") as im: + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/p_16.png") + + out = str(tmp_path / "temp.png") + im.save(out) + with Image.open(out) as reloaded: + assert_image_equal_tofile(reloaded.convert("RGB"), "Tests/images/p_16.png") + + +def test_id_field(): + # tga file with id field + test_file = "Tests/images/tga_id_field.tga" + + # Act + with Image.open(test_file) as im: # Assert - self.assertEqual(im.size, (100, 100)) + assert im.size == (100, 100) + - def test_id_field_rle(self): - # tga file with id field - test_file = "Tests/images/rgb32rle.tga" +def test_id_field_rle(): + # tga file with id field + test_file = "Tests/images/rgb32rle.tga" - # Act - im = Image.open(test_file) + # Act + with Image.open(test_file) as im: # Assert - self.assertEqual(im.size, (199, 199)) + assert im.size == (199, 199) - def test_save(self): - test_file = "Tests/images/tga_id_field.tga" - im = Image.open(test_file) - test_file = self.tempfile("temp.tga") +def test_save(tmp_path): + test_file = "Tests/images/tga_id_field.tga" + with Image.open(test_file) as im: + out = str(tmp_path / "temp.tga") # Save - im.save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (100, 100)) + im.save(out) + with Image.open(out) as test_im: + assert test_im.size == (100, 100) + assert test_im.info["id_section"] == im.info["id_section"] # RGBA save - im.convert("RGBA").save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (100, 100)) + im.convert("RGBA").save(out) + with Image.open(out) as test_im: + assert test_im.size == (100, 100) + + +def test_save_wrong_mode(tmp_path): + im = hopper("PA") + out = str(tmp_path / "temp.tga") + + with pytest.raises(OSError): + im.save(out) - # Unsupported mode save - self.assertRaises(IOError, lambda: im.convert("LA").save(test_file)) - def test_save_rle(self): - test_file = "Tests/images/rgb32rle.tga" - im = Image.open(test_file) +def test_save_mapdepth(): + # This image has been manually hexedited from 200x32_p_bl_raw.tga + # to include an origin + test_file = "Tests/images/200x32_p_bl_raw_origin.tga" + with Image.open(test_file) as im: + assert_image_equal_tofile(im, "Tests/images/tga/common/200x32_p.png") - test_file = self.tempfile("temp.tga") + +def test_save_id_section(tmp_path): + test_file = "Tests/images/rgb32rle.tga" + with Image.open(test_file) as im: + out = str(tmp_path / "temp.tga") + + # Check there is no id section + im.save(out) + with Image.open(out) as test_im: + assert "id_section" not in test_im.info + + # Save with custom id section + im.save(out, id_section=b"Test content") + with Image.open(out) as test_im: + assert test_im.info["id_section"] == b"Test content" + + # Save with custom id section greater than 255 characters + id_section = b"Test content" * 25 + pytest.warns(UserWarning, lambda: im.save(out, id_section=id_section)) + with Image.open(out) as test_im: + assert test_im.info["id_section"] == id_section[:255] + + test_file = "Tests/images/tga_id_field.tga" + with Image.open(test_file) as im: + + # Save with no id section + im.save(out, id_section="") + with Image.open(out) as test_im: + assert "id_section" not in test_im.info + + +def test_save_orientation(tmp_path): + test_file = "Tests/images/rgb32rle.tga" + out = str(tmp_path / "temp.tga") + with Image.open(test_file) as im: + assert im.info["orientation"] == -1 + + im.save(out, orientation=1) + with Image.open(out) as test_im: + assert test_im.info["orientation"] == 1 + + +def test_horizontal_orientations(): + # These images have been manually hexedited to have the relevant orientations + with Image.open("Tests/images/rgb32rle_top_right.tga") as im: + assert im.load()[90, 90][:3] == (0, 0, 0) + + with Image.open("Tests/images/rgb32rle_bottom_right.tga") as im: + assert im.load()[90, 90][:3] == (0, 255, 0) + + +def test_save_rle(tmp_path): + test_file = "Tests/images/rgb32rle.tga" + with Image.open(test_file) as im: + assert im.info["compression"] == "tga_rle" + + out = str(tmp_path / "temp.tga") # Save - im.save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (199, 199)) + im.save(out) + with Image.open(out) as test_im: + assert test_im.size == (199, 199) + assert test_im.info["compression"] == "tga_rle" - # RGBA save - im.convert("RGBA").save(test_file) - test_im = Image.open(test_file) - self.assertEqual(test_im.size, (199, 199)) + # Save without compression + im.save(out, compression=None) + with Image.open(out) as test_im: + assert "compression" not in test_im.info + + # RGBA save + im.convert("RGBA").save(out) + with Image.open(out) as test_im: + assert test_im.size == (199, 199) + + test_file = "Tests/images/tga_id_field.tga" + with Image.open(test_file) as im: + assert "compression" not in im.info + + # Save with compression + im.save(out, compression="tga_rle") + with Image.open(out) as test_im: + assert test_im.info["compression"] == "tga_rle" + + +def test_save_l_transparency(tmp_path): + # There are 559 transparent pixels in la.tga. + num_transparent = 559 + + in_file = "Tests/images/la.tga" + with Image.open(in_file) as im: + assert im.mode == "LA" + assert im.getchannel("A").getcolors()[0][0] == num_transparent - # Unsupported mode save - self.assertRaises(IOError, lambda: im.convert("LA").save(test_file)) + out = str(tmp_path / "temp.tga") + im.save(out) + with Image.open(out) as test_im: + assert test_im.mode == "LA" + assert test_im.getchannel("A").getcolors()[0][0] == num_transparent -if __name__ == '__main__': - unittest.main() + assert_image_equal(im, test_im) diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py index 6edc94aed7d..5801e176636 100644 --- a/Tests/test_file_tiff.py +++ b/Tests/test_file_tiff.py @@ -1,353 +1,513 @@ -import logging +import os from io import BytesIO -import struct -import sys -from helper import unittest, PillowTestCase, hopper, py3 +import pytest -from PIL import Image, TiffImagePlugin -from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION, RESOLUTION_UNIT +from PIL import Image, ImageFile, TiffImagePlugin +from PIL.TiffImagePlugin import RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION -logger = logging.getLogger(__name__) +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + assert_image_similar_tofile, + hopper, + is_pypy, + is_win32, +) +try: + import defusedxml.ElementTree as ElementTree +except ImportError: + ElementTree = None -class TestFileTiff(PillowTestCase): - def test_sanity(self): +class TestFileTiff: + def test_sanity(self, tmp_path): - filename = self.tempfile("temp.tif") + filename = str(tmp_path / "temp.tif") hopper("RGB").save(filename) - im = Image.open(filename) - im.load() - self.assertEqual(im.mode, "RGB") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "TIFF") + with Image.open(filename) as im: + im.load() + assert im.mode == "RGB" + assert im.size == (128, 128) + assert im.format == "TIFF" hopper("1").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("L").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("P").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("RGB").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass hopper("I").save(filename) - im = Image.open(filename) + with Image.open(filename): + pass + + @pytest.mark.skipif(is_pypy(), reason="Requires CPython") + def test_unclosed_file(self): + def open(): + im = Image.open("Tests/images/multipage.tiff") + im.load() + + pytest.warns(ResourceWarning, open) + + def test_closed_file(self): + with pytest.warns(None) as record: + im = Image.open("Tests/images/multipage.tiff") + im.load() + im.close() + + assert not record + + def test_context_manager(self): + with pytest.warns(None) as record: + with Image.open("Tests/images/multipage.tiff") as im: + im.load() + + assert not record def test_mac_tiff(self): # Read RGBa images from macOS [@PIL136] filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (55, 43)) - self.assertEqual(im.tile, [('raw', (0, 0, 55, 43), 8, ('RGBa', 0, 1))]) - im.load() + with Image.open(filename) as im: + assert im.mode == "RGBA" + assert im.size == (55, 43) + assert im.tile == [("raw", (0, 0, 55, 43), 8, ("RGBa", 0, 1))] + im.load() - self.assert_image_similar_tofile(im, "Tests/images/pil136.png", 1) + assert_image_similar_tofile(im, "Tests/images/pil136.png", 1) def test_wrong_bits_per_sample(self): - im = Image.open("Tests/images/tiff_wrong_bits_per_sample.tiff") - - self.assertEqual(im.mode, "RGBA") - self.assertEqual(im.size, (52, 53)) - self.assertEqual(im.tile, [('raw', (0, 0, 52, 53), 160, ('RGBA', 0, 1))]) - im.load() + with Image.open("Tests/images/tiff_wrong_bits_per_sample.tiff") as im: + assert im.mode == "RGBA" + assert im.size == (52, 53) + assert im.tile == [("raw", (0, 0, 52, 53), 160, ("RGBA", 0, 1))] + im.load() def test_set_legacy_api(self): - with self.assertRaises(Exception): - ImageFileDirectory_v2.legacy_api = None + ifd = TiffImagePlugin.ImageFileDirectory_v2() + with pytest.raises(Exception) as e: + ifd.legacy_api = None + assert str(e.value) == "Not allowing setting of legacy api" def test_xyres_tiff(self): filename = "Tests/images/pil168.tif" - im = Image.open(filename) + with Image.open(filename) as im: - # legacy api - self.assertIsInstance(im.tag[X_RESOLUTION][0], tuple) - self.assertIsInstance(im.tag[Y_RESOLUTION][0], tuple) + # legacy api + assert isinstance(im.tag[X_RESOLUTION][0], tuple) + assert isinstance(im.tag[Y_RESOLUTION][0], tuple) - # v2 api - self.assertIsInstance(im.tag_v2[X_RESOLUTION], - TiffImagePlugin.IFDRational) - self.assertIsInstance(im.tag_v2[Y_RESOLUTION], - TiffImagePlugin.IFDRational) + # v2 api + assert isinstance(im.tag_v2[X_RESOLUTION], TiffImagePlugin.IFDRational) + assert isinstance(im.tag_v2[Y_RESOLUTION], TiffImagePlugin.IFDRational) - self.assertEqual(im.info['dpi'], (72., 72.)) + assert im.info["dpi"] == (72.0, 72.0) def test_xyres_fallback_tiff(self): filename = "Tests/images/compression.tif" - im = Image.open(filename) + with Image.open(filename) as im: - # v2 api - self.assertIsInstance(im.tag_v2[X_RESOLUTION], - TiffImagePlugin.IFDRational) - self.assertIsInstance(im.tag_v2[Y_RESOLUTION], - TiffImagePlugin.IFDRational) - self.assertRaises(KeyError, - lambda: im.tag_v2[RESOLUTION_UNIT]) + # v2 api + assert isinstance(im.tag_v2[X_RESOLUTION], TiffImagePlugin.IFDRational) + assert isinstance(im.tag_v2[Y_RESOLUTION], TiffImagePlugin.IFDRational) + with pytest.raises(KeyError): + im.tag_v2[RESOLUTION_UNIT] - # Legacy. - self.assertEqual(im.info['resolution'], (100., 100.)) - # Fallback "inch". - self.assertEqual(im.info['dpi'], (100., 100.)) + # Legacy. + assert im.info["resolution"] == (100.0, 100.0) + # Fallback "inch". + assert im.info["dpi"] == (100.0, 100.0) def test_int_resolution(self): filename = "Tests/images/pil168.tif" - im = Image.open(filename) - - # Try to read a file where X,Y_RESOLUTION are ints - im.tag_v2[X_RESOLUTION] = 71 - im.tag_v2[Y_RESOLUTION] = 71 - im._setup() - self.assertEqual(im.info['dpi'], (71., 71.)) + with Image.open(filename) as im: + + # Try to read a file where X,Y_RESOLUTION are ints + im.tag_v2[X_RESOLUTION] = 71 + im.tag_v2[Y_RESOLUTION] = 71 + im._setup() + assert im.info["dpi"] == (71.0, 71.0) + + @pytest.mark.parametrize( + "resolutionUnit, dpi", + [(None, 72.8), (2, 72.8), (3, 184.912)], + ) + def test_load_float_dpi(self, resolutionUnit, dpi): + with Image.open( + "Tests/images/hopper_float_dpi_" + str(resolutionUnit) + ".tif" + ) as im: + assert im.tag_v2.get(RESOLUTION_UNIT) == resolutionUnit + assert im.info["dpi"] == (dpi, dpi) + + def test_save_float_dpi(self, tmp_path): + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/hopper.tif") as im: + dpi = (72.2, 72.2) + im.save(outfile, dpi=dpi) + + with Image.open(outfile) as reloaded: + assert reloaded.info["dpi"] == dpi def test_save_setting_missing_resolution(self): b = BytesIO() - Image.open("Tests/images/10ct_32bit_128.tiff").save( - b, format="tiff", resolution=123.45) - im = Image.open(b) - self.assertEqual(float(im.tag_v2[X_RESOLUTION]), 123.45) - self.assertEqual(float(im.tag_v2[Y_RESOLUTION]), 123.45) + with Image.open("Tests/images/10ct_32bit_128.tiff") as im: + im.save(b, format="tiff", resolution=123.45) + with Image.open(b) as im: + assert im.tag_v2[X_RESOLUTION] == 123.45 + assert im.tag_v2[Y_RESOLUTION] == 123.45 def test_invalid_file(self): invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - TiffImagePlugin.TiffImageFile, invalid_file) + with pytest.raises(SyntaxError): + TiffImagePlugin.TiffImageFile(invalid_file) TiffImagePlugin.PREFIXES.append(b"\xff\xd8\xff\xe0") - self.assertRaises(SyntaxError, - TiffImagePlugin.TiffImageFile, invalid_file) + with pytest.raises(SyntaxError): + TiffImagePlugin.TiffImageFile(invalid_file) TiffImagePlugin.PREFIXES.pop() def test_bad_exif(self): - i = Image.open('Tests/images/hopper_bad_exif.jpg') - try: - self.assert_warning(UserWarning, i._getexif) - except struct.error: - self.fail( - "Bad EXIF data passed incorrect values to _binary unpack") - - def test_save_rgba(self): + with Image.open("Tests/images/hopper_bad_exif.jpg") as i: + # Should not raise struct.error. + pytest.warns(UserWarning, i._getexif) + + def test_save_rgba(self, tmp_path): im = hopper("RGBA") - outfile = self.tempfile("temp.tif") + outfile = str(tmp_path / "temp.tif") im.save(outfile) - def test_save_unsupported_mode(self): + def test_save_unsupported_mode(self, tmp_path): im = hopper("HSV") - outfile = self.tempfile("temp.tif") - self.assertRaises(IOError, im.save, outfile) + outfile = str(tmp_path / "temp.tif") + with pytest.raises(OSError): + im.save(outfile) def test_little_endian(self): - im = Image.open('Tests/images/16bit.cropped.tif') - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16') + with Image.open("Tests/images/16bit.cropped.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16" - b = im.tobytes() + b = im.tobytes() # Bytes are in image native order (little endian) - if py3: - self.assertEqual(b[0], ord(b'\xe0')) - self.assertEqual(b[1], ord(b'\x01')) - else: - self.assertEqual(b[0], b'\xe0') - self.assertEqual(b[1], b'\x01') + assert b[0] == ord(b"\xe0") + assert b[1] == ord(b"\x01") def test_big_endian(self): - im = Image.open('Tests/images/16bit.MM.cropped.tif') - self.assertEqual(im.getpixel((0, 0)), 480) - self.assertEqual(im.mode, 'I;16B') - - b = im.tobytes() + with Image.open("Tests/images/16bit.MM.cropped.tif") as im: + assert im.getpixel((0, 0)) == 480 + assert im.mode == "I;16B" + b = im.tobytes() # Bytes are in image native order (big endian) - if py3: - self.assertEqual(b[0], ord(b'\x01')) - self.assertEqual(b[1], ord(b'\xe0')) - else: - self.assertEqual(b[0], b'\x01') - self.assertEqual(b[1], b'\xe0') + assert b[0] == ord(b"\x01") + assert b[1] == ord(b"\xe0") def test_16bit_s(self): - im = Image.open('Tests/images/16bit.s.tif') - im.load() - self.assertEqual(im.mode, 'I') - self.assertEqual(im.getpixel((0,0)),32767) - self.assertEqual(im.getpixel((0,1)),0) + with Image.open("Tests/images/16bit.s.tif") as im: + im.load() + assert im.mode == "I" + assert im.getpixel((0, 0)) == 32767 + assert im.getpixel((0, 1)) == 0 def test_12bit_rawmode(self): - """ Are we generating the same interpretation - of the image as Imagemagick is? """ + """Are we generating the same interpretation + of the image as Imagemagick is?""" - im = Image.open('Tests/images/12bit.cropped.tif') + with Image.open("Tests/images/12bit.cropped.tif") as im: + # to make the target -- + # convert 12bit.cropped.tif -depth 16 tmp.tif + # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif + # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, + # so we need to unshift so that the integer values are the same. - # to make the target -- - # convert 12bit.cropped.tif -depth 16 tmp.tif - # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif - # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0, - # so we need to unshift so that the integer values are the same. - - self.assert_image_equal_tofile(im, 'Tests/images/12in16bit.tif') + assert_image_equal_tofile(im, "Tests/images/12in16bit.tif") def test_32bit_float(self): # Issue 614, specific 32-bit float format - path = 'Tests/images/10ct_32bit_128.tiff' - im = Image.open(path) - im.load() + path = "Tests/images/10ct_32bit_128.tiff" + with Image.open(path) as im: + im.load() + + assert im.getpixel((0, 0)) == -0.4526388943195343 + assert im.getextrema() == (-3.140936851501465, 3.140684127807617) - self.assertEqual(im.getpixel((0, 0)), -0.4526388943195343) - self.assertEqual( - im.getextrema(), (-3.140936851501465, 3.140684127807617)) + def test_unknown_pixel_mode(self): + with pytest.raises(OSError): + with Image.open("Tests/images/hopper_unknown_pixel_mode.tif"): + pass def test_n_frames(self): for path, n_frames in [ - ['Tests/images/multipage-lastframe.tif', 1], - ['Tests/images/multipage.tiff', 3] + ["Tests/images/multipage-lastframe.tif", 1], + ["Tests/images/multipage.tiff", 3], ]: - # Test is_animated before n_frames - im = Image.open(path) - self.assertEqual(im.is_animated, n_frames != 1) - - # Test is_animated after n_frames - im = Image.open(path) - self.assertEqual(im.n_frames, n_frames) - self.assertEqual(im.is_animated, n_frames != 1) + with Image.open(path) as im: + assert im.n_frames == n_frames + assert im.is_animated == (n_frames != 1) def test_eoferror(self): - im = Image.open('Tests/images/multipage-lastframe.tif') - n_frames = im.n_frames + with Image.open("Tests/images/multipage-lastframe.tif") as im: + n_frames = im.n_frames - # Test seeking past the last frame - self.assertRaises(EOFError, im.seek, n_frames) - self.assertLess(im.tell(), n_frames) + # Test seeking past the last frame + with pytest.raises(EOFError): + im.seek(n_frames) + assert im.tell() < n_frames - # Test that seeking to the last frame does not raise an error - im.seek(n_frames-1) + # Test that seeking to the last frame does not raise an error + im.seek(n_frames - 1) def test_multipage(self): # issue #862 - im = Image.open('Tests/images/multipage.tiff') - # file is a multipage tiff: 10x10 green, 10x10 red, 20x20 blue + with Image.open("Tests/images/multipage.tiff") as im: + # file is a multipage tiff: 10x10 green, 10x10 red, 20x20 blue - im.seek(0) - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 128, 0)) + im.seek(0) + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) - im.seek(1) - im.load() - self.assertEqual(im.size, (10, 10)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (255, 0, 0)) + im.seek(1) + im.load() + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0) - im.seek(2) - im.load() - self.assertEqual(im.size, (20, 20)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255)) + im.seek(0) + im.load() + assert im.size == (10, 10) + assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0) + + im.seek(2) + im.load() + assert im.size == (20, 20) + assert im.convert("RGB").getpixel((0, 0)) == (0, 0, 255) def test_multipage_last_frame(self): - im = Image.open('Tests/images/multipage-lastframe.tif') - im.load() - self.assertEqual(im.size, (20, 20)) - self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255)) + with Image.open("Tests/images/multipage-lastframe.tif") as im: + im.load() + assert im.size == (20, 20) + assert im.convert("RGB").getpixel((0, 0)) == (0, 0, 255) + + def test_frame_order(self): + # A frame can't progress to itself after reading + with Image.open("Tests/images/multipage_single_frame_loop.tiff") as im: + assert im.n_frames == 1 + + # A frame can't progress to a frame that has already been read + with Image.open("Tests/images/multipage_multiple_frame_loop.tiff") as im: + assert im.n_frames == 2 + + # Frames don't have to be in sequence + with Image.open("Tests/images/multipage_out_of_order.tiff") as im: + assert im.n_frames == 3 def test___str__(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) + with Image.open(filename) as im: - # Act - ret = str(im.ifd) + # Act + ret = str(im.ifd) - # Assert - self.assertIsInstance(ret, str) + # Assert + assert isinstance(ret, str) def test_dict(self): # Arrange filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - - # v2 interface - v2_tags = {256: 55, 257: 43, 258: (8, 8, 8, 8), 259: 1, - 262: 2, 296: 2, 273: (8,), 338: (1,), 277: 4, - 279: (9460,), 282: 72.0, 283: 72.0, 284: 1} - self.assertEqual(dict(im.tag_v2), v2_tags) - - # legacy interface - legacy_tags = {256: (55,), 257: (43,), 258: (8, 8, 8, 8), 259: (1,), - 262: (2,), 296: (2,), 273: (8,), 338: (1,), 277: (4,), - 279: (9460,), 282: ((720000, 10000),), - 283: ((720000, 10000),), 284: (1,)} - self.assertEqual(dict(im.tag), legacy_tags) + with Image.open(filename) as im: + + # v2 interface + v2_tags = { + 256: 55, + 257: 43, + 258: (8, 8, 8, 8), + 259: 1, + 262: 2, + 296: 2, + 273: (8,), + 338: (1,), + 277: 4, + 279: (9460,), + 282: 72.0, + 283: 72.0, + 284: 1, + } + assert dict(im.tag_v2) == v2_tags + + # legacy interface + legacy_tags = { + 256: (55,), + 257: (43,), + 258: (8, 8, 8, 8), + 259: (1,), + 262: (2,), + 296: (2,), + 273: (8,), + 338: (1,), + 277: (4,), + 279: (9460,), + 282: ((720000, 10000),), + 283: ((720000, 10000),), + 284: (1,), + } + assert dict(im.tag) == legacy_tags def test__delitem__(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - len_before = len(dict(im.ifd)) - del im.ifd[256] - len_after = len(dict(im.ifd)) - self.assertEqual(len_before, len_after + 1) + with Image.open(filename) as im: + len_before = len(dict(im.ifd)) + del im.ifd[256] + len_after = len(dict(im.ifd)) + assert len_before == len_after + 1 def test_load_byte(self): for legacy_api in [False, True]: ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abc" ret = ifd.load_byte(data, legacy_api) - self.assertEqual(ret, b"abc") + assert ret == b"abc" def test_load_string(self): ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abc\0" ret = ifd.load_string(data, False) - self.assertEqual(ret, "abc") + assert ret == "abc" def test_load_float(self): ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abcdabcd" ret = ifd.load_float(data, False) - self.assertEqual(ret, (1.6777999408082104e+22, 1.6777999408082104e+22)) + assert ret == (1.6777999408082104e22, 1.6777999408082104e22) def test_load_double(self): ifd = TiffImagePlugin.ImageFileDirectory_v2() data = b"abcdefghabcdefgh" ret = ifd.load_double(data, False) - self.assertEqual(ret, (8.540883223036124e+194, 8.540883223036124e+194)) + assert ret == (8.540883223036124e194, 8.540883223036124e194) + + def test_ifd_tag_type(self): + with Image.open("Tests/images/ifd_tag_type.tiff") as im: + assert 0x8825 in im.tag_v2 + + def test_exif(self, tmp_path): + def check_exif(exif): + assert sorted(exif.keys()) == [ + 256, + 257, + 258, + 259, + 262, + 271, + 272, + 273, + 277, + 278, + 279, + 282, + 283, + 284, + 296, + 297, + 305, + 339, + 700, + 34665, + 34853, + 50735, + ] + assert exif[256] == 640 + assert exif[271] == "FLIR" + + gps = exif.get_ifd(0x8825) + assert list(gps.keys()) == [0, 1, 2, 3, 4, 5, 6, 18] + assert gps[0] == b"\x03\x02\x00\x00" + assert gps[18] == "WGS-84" + + outfile = str(tmp_path / "temp.tif") + with Image.open("Tests/images/ifd_tag_type.tiff") as im: + exif = im.getexif() + check_exif(exif) + + im.save(outfile, exif=exif) + + outfile2 = str(tmp_path / "temp2.tif") + with Image.open(outfile) as im: + exif = im.getexif() + check_exif(exif) + + im.save(outfile2, exif=exif.tobytes()) + + with Image.open(outfile2) as im: + exif = im.getexif() + check_exif(exif) + + def test_exif_frames(self): + # Test that EXIF data can change across frames + with Image.open("Tests/images/g4-multi.tiff") as im: + assert im.getexif()[273] == (328, 815) + + im.seek(1) + assert im.getexif()[273] == (1408, 1907) + + @pytest.mark.parametrize("mode", ("1", "L")) + def test_photometric(self, mode, tmp_path): + filename = str(tmp_path / "temp.tif") + im = hopper(mode) + im.save(filename, tiffinfo={262: 0}) + with Image.open(filename) as reloaded: + assert reloaded.tag_v2[262] == 0 + assert_image_equal(im, reloaded) def test_seek(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - im.seek(0) - self.assertEqual(im.tell(), 0) + with Image.open(filename) as im: + im.seek(0) + assert im.tell() == 0 def test_seek_eof(self): filename = "Tests/images/pil136.tiff" - im = Image.open(filename) - self.assertEqual(im.tell(), 0) - self.assertRaises(EOFError, im.seek, -1) - self.assertRaises(EOFError, im.seek, 1) + with Image.open(filename) as im: + assert im.tell() == 0 + with pytest.raises(EOFError): + im.seek(-1) + with pytest.raises(EOFError): + im.seek(1) def test__limit_rational_int(self): from PIL.TiffImagePlugin import _limit_rational + value = 34 ret = _limit_rational(value, 65536) - self.assertEqual(ret, (34, 1)) + assert ret == (34, 1) def test__limit_rational_float(self): from PIL.TiffImagePlugin import _limit_rational + value = 22.3 ret = _limit_rational(value, 65536) - self.assertEqual(ret, (223, 10)) + assert ret == (223, 10) def test_4bit(self): test_file = "Tests/images/hopper_gray_4bpp.tif" original = hopper("L") - im = Image.open(test_file) - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, 7.3) + with Image.open(test_file) as im: + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, 7.3) def test_gray_semibyte_per_pixel(self): test_files = ( @@ -358,7 +518,7 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper2I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper2IR.tif", - ) + ), ), ( 7.3, # epsilon @@ -367,134 +527,218 @@ def test_gray_semibyte_per_pixel(self): "Tests/images/tiff_gray_2_4_bpp/hopper4I.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4R.tif", "Tests/images/tiff_gray_2_4_bpp/hopper4IR.tif", - ) + ), ), ) original = hopper("L") for epsilon, group in test_files: - im = Image.open(group[0]) - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.mode, "L") - self.assert_image_similar(im, original, epsilon) - for file in group[1:]: - im2 = Image.open(file) - self.assertEqual(im2.size, (128, 128)) - self.assertEqual(im2.mode, "L") - self.assert_image_equal(im, im2) - - def test_with_underscores(self): - kwargs = {'resolution_unit': 'inch', - 'x_resolution': 72, - 'y_resolution': 36} - filename = self.tempfile("temp.tif") + with Image.open(group[0]) as im: + assert im.size == (128, 128) + assert im.mode == "L" + assert_image_similar(im, original, epsilon) + for file in group[1:]: + with Image.open(file) as im2: + assert im2.size == (128, 128) + assert im2.mode == "L" + assert_image_equal(im, im2) + + def test_with_underscores(self, tmp_path): + kwargs = {"resolution_unit": "inch", "x_resolution": 72, "y_resolution": 36} + filename = str(tmp_path / "temp.tif") hopper("RGB").save(filename, **kwargs) - from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION - im = Image.open(filename) + with Image.open(filename) as im: - # legacy interface - self.assertEqual(im.tag[X_RESOLUTION][0][0], 72) - self.assertEqual(im.tag[Y_RESOLUTION][0][0], 36) + # legacy interface + assert im.tag[X_RESOLUTION][0][0] == 72 + assert im.tag[Y_RESOLUTION][0][0] == 36 - # v2 interface - self.assertEqual(im.tag_v2[X_RESOLUTION], 72) - self.assertEqual(im.tag_v2[Y_RESOLUTION], 36) + # v2 interface + assert im.tag_v2[X_RESOLUTION] == 72 + assert im.tag_v2[Y_RESOLUTION] == 36 - - def test_roundtrip_tiff_uint16(self): + def test_roundtrip_tiff_uint16(self, tmp_path): # Test an image of all '0' values pixel_value = 0x1234 infile = "Tests/images/uint16_1_4660.tif" - im = Image.open(infile) - self.assertEqual(im.getpixel((0, 0)), pixel_value) + with Image.open(infile) as im: + assert im.getpixel((0, 0)) == pixel_value + + tmpfile = str(tmp_path / "temp.tif") + im.save(tmpfile) - tmpfile = self.tempfile("temp.tif") - im.save(tmpfile) + assert_image_equal_tofile(im, tmpfile) - reloaded = Image.open(tmpfile) + def test_strip_raw(self): + infile = "Tests/images/tiff_strip_raw.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - self.assert_image_equal(im, reloaded) + def test_strip_planar_raw(self): + # gdal_translate -of GTiff -co INTERLEAVE=BAND \ + # tiff_strip_raw.tif tiff_strip_planar_raw.tiff + infile = "Tests/images/tiff_strip_planar_raw.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") - def test_tiff_save_all(self): - import io - import os + def test_strip_planar_raw_with_overviews(self): + # gdaladdo tiff_strip_planar_raw2.tif 2 4 8 16 + infile = "Tests/images/tiff_strip_planar_raw_with_overviews.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") + + def test_tiled_planar_raw(self): + # gdal_translate -of GTiff -co TILED=YES -co BLOCKXSIZE=32 \ + # -co BLOCKYSIZE=32 -co INTERLEAVE=BAND \ + # tiff_tiled_raw.tif tiff_tiled_planar_raw.tiff + infile = "Tests/images/tiff_tiled_planar_raw.tif" + with Image.open(infile) as im: + assert_image_equal_tofile(im, "Tests/images/tiff_adobe_deflate.png") + + def test_palette(self, tmp_path): + def roundtrip(mode): + outfile = str(tmp_path / "temp.tif") + + im = hopper(mode) + im.save(outfile) + + with Image.open(outfile) as reloaded: + assert_image_equal(im.convert("RGB"), reloaded.convert("RGB")) - mp = io.BytesIO() + for mode in ["P", "PA"]: + roundtrip(mode) + + def test_tiff_save_all(self): + mp = BytesIO() with Image.open("Tests/images/multipage.tiff") as im: im.save(mp, format="tiff", save_all=True) mp.seek(0, os.SEEK_SET) with Image.open(mp) as im: - self.assertEqual(im.n_frames, 3) + assert im.n_frames == 3 # Test appending images - mp = io.BytesIO() - im = Image.new('RGB', (100, 100), '#f00') - ims = [Image.new('RGB', (100, 100), color) for color - in ['#0f0', '#00f']] + mp = BytesIO() + im = Image.new("RGB", (100, 100), "#f00") + ims = [Image.new("RGB", (100, 100), color) for color in ["#0f0", "#00f"]] im.copy().save(mp, format="TIFF", save_all=True, append_images=ims) mp.seek(0, os.SEEK_SET) - reread = Image.open(mp) - self.assertEqual(reread.n_frames, 3) + with Image.open(mp) as reread: + assert reread.n_frames == 3 # Test appending using a generator def imGenerator(ims): - for im in ims: - yield im - mp = io.BytesIO() + yield from ims + + mp = BytesIO() im.save(mp, format="TIFF", save_all=True, append_images=imGenerator(ims)) mp.seek(0, os.SEEK_SET) - reread = Image.open(mp) - self.assertEqual(reread.n_frames, 3) - + with Image.open(mp) as reread: + assert reread.n_frames == 3 - def test_saving_icc_profile(self): + def test_saving_icc_profile(self, tmp_path): # Tests saving TIFF with icc_profile set. # At the time of writing this will only work for non-compressed tiffs # as libtiff does not support embedded ICC profiles, # ImageFile._save(..) however does. - im = Image.new('RGB', (1, 1)) - im.info['icc_profile'] = 'Dummy value' + im = Image.new("RGB", (1, 1)) + im.info["icc_profile"] = "Dummy value" # Try save-load round trip to make sure both handle icc_profile. - tmpfile = self.tempfile('temp.tif') - im.save(tmpfile, 'TIFF', compression='raw') - reloaded = Image.open(tmpfile) + tmpfile = str(tmp_path / "temp.tif") + im.save(tmpfile, "TIFF", compression="raw") + with Image.open(tmpfile) as reloaded: + assert b"Dummy value" == reloaded.info["icc_profile"] + + def test_save_icc_profile(self, tmp_path): + im = hopper() + assert "icc_profile" not in im.info + + outfile = str(tmp_path / "temp.tif") + icc_profile = b"Dummy value" + im.save(outfile, icc_profile=icc_profile) + + with Image.open(outfile) as reloaded: + assert reloaded.info["icc_profile"] == icc_profile + + def test_discard_icc_profile(self, tmp_path): + outfile = str(tmp_path / "temp.tif") - self.assertEqual(b'Dummy value', reloaded.info['icc_profile']) + with Image.open("Tests/images/icc_profile.png") as im: + assert "icc_profile" in im.info - def test_close_on_load_exclusive(self): + im.save(outfile, icc_profile=None) + + with Image.open(outfile) as reloaded: + assert "icc_profile" not in reloaded.info + + def test_getxmp(self): + with Image.open("Tests/images/lab.tif") as im: + if ElementTree is None: + with pytest.warns(UserWarning): + assert im.getxmp() == {} + else: + xmp = im.getxmp() + + description = xmp["xmpmeta"]["RDF"]["Description"] + assert description[0]["format"] == "image/tiff" + assert description[3]["BitsPerSample"]["Seq"]["li"] == ["8", "8", "8"] + + def test_close_on_load_exclusive(self, tmp_path): # similar to test_fd_leak, but runs on unixlike os - tmpfile = self.tempfile("temp.tif") + tmpfile = str(tmp_path / "temp.tif") with Image.open("Tests/images/uint16_1_4660.tif") as im: im.save(tmpfile) im = Image.open(tmpfile) fp = im.fp - self.assertFalse(fp.closed) + assert not fp.closed im.load() - self.assertTrue(fp.closed) + assert fp.closed - def test_close_on_load_nonexclusive(self): - tmpfile = self.tempfile("temp.tif") + def test_close_on_load_nonexclusive(self, tmp_path): + tmpfile = str(tmp_path / "temp.tif") with Image.open("Tests/images/uint16_1_4660.tif") as im: im.save(tmpfile) - with open(tmpfile, 'rb') as f: + with open(tmpfile, "rb") as f: im = Image.open(f) fp = im.fp - self.assertFalse(fp.closed) + assert not fp.closed im.load() - self.assertFalse(fp.closed) + assert not fp.closed + + # Ignore this UserWarning which triggers for four tags: + # "Possibly corrupt EXIF data. Expecting to read 50404352 bytes but..." + @pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data") + # Ignore this UserWarning: + @pytest.mark.filterwarnings("ignore:Truncated File Read") + @pytest.mark.skipif( + not os.path.exists("Tests/images/string_dimension.tiff"), + reason="Extra image files not installed", + ) + def test_string_dimension(self): + # Assert that an error is raised if one of the dimensions is a string + with Image.open("Tests/images/string_dimension.tiff") as im: + with pytest.raises(OSError): + im.load() + + @pytest.mark.timeout(6) + @pytest.mark.filterwarnings("ignore:Truncated File Read") + def test_timeout(self): + with Image.open("Tests/images/timeout-6646305047838720") as im: + ImageFile.LOAD_TRUNCATED_IMAGES = True + im.load() + ImageFile.LOAD_TRUNCATED_IMAGES = False + -@unittest.skipUnless(sys.platform.startswith('win32'), "Windows only") -class TestFileTiffW32(PillowTestCase): - def test_fd_leak(self): - tmpfile = self.tempfile("temp.tif") - import os +@pytest.mark.skipif(not is_win32(), reason="Windows only") +class TestFileTiffW32: + def test_fd_leak(self, tmp_path): + tmpfile = str(tmp_path / "temp.tif") # this is an mmaped file. with Image.open("Tests/images/uint16_1_4660.tif") as im: @@ -502,10 +746,11 @@ def test_fd_leak(self): im = Image.open(tmpfile) fp = im.fp - self.assertFalse(fp.closed) - self.assertRaises(Exception, os.remove, tmpfile) + assert not fp.closed + with pytest.raises(OSError): + os.remove(tmpfile) im.load() - self.assertTrue(fp.closed) + assert fp.closed # this closes the mmap im.close() @@ -513,7 +758,3 @@ def test_fd_leak(self): # this should not fail, as load should have closed the file pointer, # and close should have closed the mmap os.remove(tmpfile) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_file_tiff_metadata.py b/Tests/test_file_tiff_metadata.py index bb5768046e1..2213af5aadf 100644 --- a/Tests/test_file_tiff_metadata.py +++ b/Tests/test_file_tiff_metadata.py @@ -1,256 +1,405 @@ import io import struct -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, TiffImagePlugin, TiffTags -from PIL.TiffImagePlugin import _limit_rational, IFDRational - -tag_ids = {info.name: info.value for info in TiffTags.TAGS_V2.values()} - - -class TestFileTiffMetadata(PillowTestCase): - - def test_rt_metadata(self): - """ Test writing arbitrary metadata into the tiff image directory - Use case is ImageJ private tags, one numeric, one arbitrary - data. https://github.com/python-pillow/Pillow/issues/291 - """ - - img = hopper() - - # Behaviour change: re #1416 - # Pre ifd rewrite, ImageJMetaData was being written as a string(2), - # Post ifd rewrite, it's defined as arbitrary bytes(7). It should - # roundtrip with the actual bytes, rather than stripped text - # of the premerge tests. - # - # For text items, we still have to decode('ascii','replace') because - # the tiff file format can't take 8 bit bytes in that field. - - basetextdata = "This is some arbitrary metadata for a text field" - bindata = basetextdata.encode('ascii') + b" \xff" - textdata = basetextdata + " " + chr(255) - reloaded_textdata = basetextdata + " ?" - floatdata = 12.345 - doubledata = 67.89 - info = TiffImagePlugin.ImageFileDirectory() - - ImageJMetaData = tag_ids['ImageJMetaData'] - ImageJMetaDataByteCounts = tag_ids['ImageJMetaDataByteCounts'] - ImageDescription = tag_ids['ImageDescription'] - - info[ImageJMetaDataByteCounts] = len(bindata) - info[ImageJMetaData] = bindata - info[tag_ids['RollAngle']] = floatdata - info.tagtype[tag_ids['RollAngle']] = 11 - info[tag_ids['YawAngle']] = doubledata - info.tagtype[tag_ids['YawAngle']] = 12 - - info[ImageDescription] = textdata - - f = self.tempfile("temp.tif") - - img.save(f, tiffinfo=info) - - loaded = Image.open(f) - - self.assertEqual(loaded.tag[ImageJMetaDataByteCounts], (len(bindata),)) - self.assertEqual(loaded.tag_v2[ImageJMetaDataByteCounts], (len(bindata),)) - - self.assertEqual(loaded.tag[ImageJMetaData], bindata) - self.assertEqual(loaded.tag_v2[ImageJMetaData], bindata) - - self.assertEqual(loaded.tag[ImageDescription], (reloaded_textdata,)) - self.assertEqual(loaded.tag_v2[ImageDescription], reloaded_textdata) - - loaded_float = loaded.tag[tag_ids['RollAngle']][0] - self.assertAlmostEqual(loaded_float, floatdata, places=5) - loaded_double = loaded.tag[tag_ids['YawAngle']][0] - self.assertAlmostEqual(loaded_double, doubledata) - - # check with 2 element ImageJMetaDataByteCounts, issue #2006 - - info[ImageJMetaDataByteCounts] = (8, len(bindata) - 8) - img.save(f, tiffinfo=info) - loaded = Image.open(f) - - self.assertEqual(loaded.tag[ImageJMetaDataByteCounts], (8, len(bindata) - 8)) - self.assertEqual(loaded.tag_v2[ImageJMetaDataByteCounts], (8, len(bindata) - 8)) - - - def test_read_metadata(self): - img = Image.open('Tests/images/hopper_g4.tif') - - self.assertEqual({'YResolution': IFDRational(4294967295, 113653537), - 'PlanarConfiguration': 1, - 'BitsPerSample': (1,), - 'ImageLength': 128, - 'Compression': 4, - 'FillOrder': 1, - 'RowsPerStrip': 128, - 'ResolutionUnit': 3, - 'PhotometricInterpretation': 0, - 'PageNumber': (0, 1), - 'XResolution': IFDRational(4294967295, 113653537), - 'ImageWidth': 128, - 'Orientation': 1, - 'StripByteCounts': (1968,), - 'SamplesPerPixel': 1, - 'StripOffsets': (8,) - }, img.tag_v2.named()) - - self.assertEqual({'YResolution': ((4294967295, 113653537),), - 'PlanarConfiguration': (1,), - 'BitsPerSample': (1,), - 'ImageLength': (128,), - 'Compression': (4,), - 'FillOrder': (1,), - 'RowsPerStrip': (128,), - 'ResolutionUnit': (3,), - 'PhotometricInterpretation': (0,), - 'PageNumber': (0, 1), - 'XResolution': ((4294967295, 113653537),), - 'ImageWidth': (128,), - 'Orientation': (1,), - 'StripByteCounts': (1968,), - 'SamplesPerPixel': (1,), - 'StripOffsets': (8,) - }, img.tag.named()) - - def test_write_metadata(self): - """ Test metadata writing through the python code """ - img = Image.open('Tests/images/hopper.tif') - - f = self.tempfile('temp.tiff') +from PIL.TiffImagePlugin import IFDRational + +from .helper import assert_deep_equal, hopper + +TAG_IDS = {info.name: info.value for info in TiffTags.TAGS_V2.values()} + + +def test_rt_metadata(tmp_path): + """Test writing arbitrary metadata into the tiff image directory + Use case is ImageJ private tags, one numeric, one arbitrary + data. https://github.com/python-pillow/Pillow/issues/291 + """ + + img = hopper() + + # Behaviour change: re #1416 + # Pre ifd rewrite, ImageJMetaData was being written as a string(2), + # Post ifd rewrite, it's defined as arbitrary bytes(7). It should + # roundtrip with the actual bytes, rather than stripped text + # of the premerge tests. + # + # For text items, we still have to decode('ascii','replace') because + # the tiff file format can't take 8 bit bytes in that field. + + basetextdata = "This is some arbitrary metadata for a text field" + bindata = basetextdata.encode("ascii") + b" \xff" + textdata = basetextdata + " " + chr(255) + reloaded_textdata = basetextdata + " ?" + floatdata = 12.345 + doubledata = 67.89 + info = TiffImagePlugin.ImageFileDirectory() + + ImageJMetaData = TAG_IDS["ImageJMetaData"] + ImageJMetaDataByteCounts = TAG_IDS["ImageJMetaDataByteCounts"] + ImageDescription = TAG_IDS["ImageDescription"] + + info[ImageJMetaDataByteCounts] = len(bindata) + info[ImageJMetaData] = bindata + info[TAG_IDS["RollAngle"]] = floatdata + info.tagtype[TAG_IDS["RollAngle"]] = 11 + info[TAG_IDS["YawAngle"]] = doubledata + info.tagtype[TAG_IDS["YawAngle"]] = 12 + + info[ImageDescription] = textdata + + f = str(tmp_path / "temp.tif") + + img.save(f, tiffinfo=info) + + with Image.open(f) as loaded: + + assert loaded.tag[ImageJMetaDataByteCounts] == (len(bindata),) + assert loaded.tag_v2[ImageJMetaDataByteCounts] == (len(bindata),) + + assert loaded.tag[ImageJMetaData] == bindata + assert loaded.tag_v2[ImageJMetaData] == bindata + + assert loaded.tag[ImageDescription] == (reloaded_textdata,) + assert loaded.tag_v2[ImageDescription] == reloaded_textdata + + loaded_float = loaded.tag[TAG_IDS["RollAngle"]][0] + assert round(abs(loaded_float - floatdata), 5) == 0 + loaded_double = loaded.tag[TAG_IDS["YawAngle"]][0] + assert round(abs(loaded_double - doubledata), 7) == 0 + + # check with 2 element ImageJMetaDataByteCounts, issue #2006 + + info[ImageJMetaDataByteCounts] = (8, len(bindata) - 8) + img.save(f, tiffinfo=info) + with Image.open(f) as loaded: + + assert loaded.tag[ImageJMetaDataByteCounts] == (8, len(bindata) - 8) + assert loaded.tag_v2[ImageJMetaDataByteCounts] == (8, len(bindata) - 8) + + +def test_read_metadata(): + with Image.open("Tests/images/hopper_g4.tif") as img: + + assert { + "YResolution": IFDRational(4294967295, 113653537), + "PlanarConfiguration": 1, + "BitsPerSample": (1,), + "ImageLength": 128, + "Compression": 4, + "FillOrder": 1, + "RowsPerStrip": 128, + "ResolutionUnit": 3, + "PhotometricInterpretation": 0, + "PageNumber": (0, 1), + "XResolution": IFDRational(4294967295, 113653537), + "ImageWidth": 128, + "Orientation": 1, + "StripByteCounts": (1968,), + "SamplesPerPixel": 1, + "StripOffsets": (8,), + } == img.tag_v2.named() + + assert { + "YResolution": ((4294967295, 113653537),), + "PlanarConfiguration": (1,), + "BitsPerSample": (1,), + "ImageLength": (128,), + "Compression": (4,), + "FillOrder": (1,), + "RowsPerStrip": (128,), + "ResolutionUnit": (3,), + "PhotometricInterpretation": (0,), + "PageNumber": (0, 1), + "XResolution": ((4294967295, 113653537),), + "ImageWidth": (128,), + "Orientation": (1,), + "StripByteCounts": (1968,), + "SamplesPerPixel": (1,), + "StripOffsets": (8,), + } == img.tag.named() + + +def test_write_metadata(tmp_path): + """Test metadata writing through the python code""" + with Image.open("Tests/images/hopper.tif") as img: + f = str(tmp_path / "temp.tiff") img.save(f, tiffinfo=img.tag) - loaded = Image.open(f) - original = img.tag_v2.named() + + with Image.open(f) as loaded: reloaded = loaded.tag_v2.named() - for k, v in original.items(): - if isinstance(v, IFDRational): - original[k] = IFDRational(*_limit_rational(v, 2**31)) - if isinstance(v, tuple) and isinstance(v[0], IFDRational): - original[k] = tuple([IFDRational( - *_limit_rational(elt, 2**31)) for elt in v]) - - ignored = ['StripByteCounts', 'RowsPerStrip', - 'PageNumber', 'StripOffsets'] - - for tag, value in reloaded.items(): - if tag in ignored: - continue - if (isinstance(original[tag], tuple) - and isinstance(original[tag][0], IFDRational)): - # Need to compare element by element in the tuple, - # not comparing tuples of object references - self.assert_deep_equal(original[tag], - value, - "%s didn't roundtrip, %s, %s" % - (tag, original[tag], value)) - else: - self.assertEqual(original[tag], - value, - "%s didn't roundtrip, %s, %s" % - (tag, original[tag], value)) - - for tag, value in original.items(): - if tag not in ignored: - self.assertEqual( - value, reloaded[tag], "%s didn't roundtrip" % tag) - - def test_no_duplicate_50741_tag(self): - self.assertEqual(tag_ids['MakerNoteSafety'], 50741) - self.assertEqual(tag_ids['BestQualityScale'], 50780) - - def test_empty_metadata(self): - f = io.BytesIO(b'II*\x00\x08\x00\x00\x00') - head = f.read(8) - info = TiffImagePlugin.ImageFileDirectory(head) - try: - self.assert_warning(UserWarning, info.load, f) - except struct.error: - self.fail("Should not be struct errors there.") - - def test_iccprofile(self): - # https://github.com/python-pillow/Pillow/issues/1462 - im = Image.open('Tests/images/hopper.iccprofile.tif') - out = self.tempfile('temp.tiff') + ignored = ["StripByteCounts", "RowsPerStrip", "PageNumber", "StripOffsets"] + + for tag, value in reloaded.items(): + if tag in ignored: + continue + if isinstance(original[tag], tuple) and isinstance( + original[tag][0], IFDRational + ): + # Need to compare element by element in the tuple, + # not comparing tuples of object references + assert_deep_equal( + original[tag], + value, + f"{tag} didn't roundtrip, {original[tag]}, {value}", + ) + else: + assert ( + original[tag] == value + ), f"{tag} didn't roundtrip, {original[tag]}, {value}" + + for tag, value in original.items(): + if tag not in ignored: + assert value == reloaded[tag], f"{tag} didn't roundtrip" + + +def test_change_stripbytecounts_tag_type(tmp_path): + out = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper.tif") as im: + info = im.tag_v2 + + # Resize the image so that STRIPBYTECOUNTS will be larger than a SHORT + im = im.resize((500, 500)) + + # STRIPBYTECOUNTS can be a SHORT or a LONG + info.tagtype[TiffImagePlugin.STRIPBYTECOUNTS] = TiffTags.SHORT + + im.save(out, tiffinfo=info) + with Image.open(out) as reloaded: + assert reloaded.tag_v2.tagtype[TiffImagePlugin.STRIPBYTECOUNTS] == TiffTags.LONG + + +def test_no_duplicate_50741_tag(): + assert TAG_IDS["MakerNoteSafety"] == 50741 + assert TAG_IDS["BestQualityScale"] == 50780 + + +def test_iptc(tmp_path): + out = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper.Lab.tif") as im: im.save(out) - reloaded = Image.open(out) - self.assertNotIsInstance(im.info['icc_profile'], tuple) - self.assertEqual(im.info['icc_profile'], reloaded.info['icc_profile']) - def test_iccprofile_binary(self): - # https://github.com/python-pillow/Pillow/issues/1526 - # We should be able to load this, but probably won't be able to save it. - im = Image.open('Tests/images/hopper.iccprofile_binary.tif') - self.assertEqual(im.tag_v2.tagtype[34675], 1) - self.assertTrue(im.info['icc_profile']) +def test_undefined_zero(tmp_path): + # Check that the tag has not been changed since this test was created + tag = TiffTags.TAGS_V2[45059] + assert tag.type == TiffTags.UNDEFINED + assert tag.length == 0 + + info = TiffImagePlugin.ImageFileDirectory(b"II*\x00\x08\x00\x00\x00") + info[45059] = b"test" + + # Assert that the tag value does not change by setting it to itself + original = info[45059] + info[45059] = info[45059] + assert info[45059] == original + + +def test_empty_metadata(): + f = io.BytesIO(b"II*\x00\x08\x00\x00\x00") + head = f.read(8) + info = TiffImagePlugin.ImageFileDirectory(head) + # Should not raise struct.error. + pytest.warns(UserWarning, info.load, f) + - def test_iccprofile_save_png(self): - im = Image.open('Tests/images/hopper.iccprofile.tif') - outfile = self.tempfile('temp.png') +def test_iccprofile(tmp_path): + # https://github.com/python-pillow/Pillow/issues/1462 + out = str(tmp_path / "temp.tiff") + with Image.open("Tests/images/hopper.iccprofile.tif") as im: + im.save(out) + + with Image.open(out) as reloaded: + assert not isinstance(im.info["icc_profile"], tuple) + assert im.info["icc_profile"] == reloaded.info["icc_profile"] + + +def test_iccprofile_binary(): + # https://github.com/python-pillow/Pillow/issues/1526 + # We should be able to load this, + # but probably won't be able to save it. + + with Image.open("Tests/images/hopper.iccprofile_binary.tif") as im: + assert im.tag_v2.tagtype[34675] == 1 + assert im.info["icc_profile"] + + +def test_iccprofile_save_png(tmp_path): + with Image.open("Tests/images/hopper.iccprofile.tif") as im: + outfile = str(tmp_path / "temp.png") im.save(outfile) - def test_iccprofile_binary_save_png(self): - im = Image.open('Tests/images/hopper.iccprofile_binary.tif') - outfile = self.tempfile('temp.png') + +def test_iccprofile_binary_save_png(tmp_path): + with Image.open("Tests/images/hopper.iccprofile_binary.tif") as im: + outfile = str(tmp_path / "temp.png") im.save(outfile) - def test_exif_div_zero(self): - im = hopper() - info = TiffImagePlugin.ImageFileDirectory_v2() - info[41988] = TiffImagePlugin.IFDRational(0, 0) - - out = self.tempfile('temp.tiff') - im.save(out, tiffinfo=info, compression='raw') - - reloaded = Image.open(out) - self.assertEqual(0, reloaded.tag_v2[41988].numerator) - self.assertEqual(0, reloaded.tag_v2[41988].denominator) - - def test_expty_values(self): - data = io.BytesIO( - b'II*\x00\x08\x00\x00\x00\x03\x00\x1a\x01\x05\x00\x00\x00\x00\x00' - b'\x00\x00\x00\x00\x1b\x01\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00' - b'\x98\x82\x02\x00\x07\x00\x00\x002\x00\x00\x00\x00\x00\x00\x00a ' - b'text\x00\x00') - head = data.read(8) - info = TiffImagePlugin.ImageFileDirectory_v2(head) - info.load(data) - try: - info = dict(info) - except ValueError: - self.fail("Should not be struct value error there.") - self.assertIn(33432, info) - - def test_PhotoshopInfo(self): - im = Image.open('Tests/images/issue_2278.tif') - - self.assertIsInstance(im.tag_v2[34377], bytes) - out = self.tempfile('temp.tiff') + +def test_exif_div_zero(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + info[41988] = TiffImagePlugin.IFDRational(0, 0) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert 0 == reloaded.tag_v2[41988].numerator + assert 0 == reloaded.tag_v2[41988].denominator + + +def test_ifd_unsigned_rational(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + + max_long = 2 ** 32 - 1 + + # 4 bytes unsigned long + numerator = max_long + + info[41493] = TiffImagePlugin.IFDRational(numerator, 1) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert max_long == reloaded.tag_v2[41493].numerator + assert 1 == reloaded.tag_v2[41493].denominator + + # out of bounds of 4 byte unsigned long + numerator = max_long + 1 + + info[41493] = TiffImagePlugin.IFDRational(numerator, 1) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert max_long == reloaded.tag_v2[41493].numerator + assert 1 == reloaded.tag_v2[41493].denominator + + +def test_ifd_signed_rational(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + + # pair of 4 byte signed longs + numerator = 2 ** 31 - 1 + denominator = -(2 ** 31) + + info[37380] = TiffImagePlugin.IFDRational(numerator, denominator) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert numerator == reloaded.tag_v2[37380].numerator + assert denominator == reloaded.tag_v2[37380].denominator + + numerator = -(2 ** 31) + denominator = 2 ** 31 - 1 + + info[37380] = TiffImagePlugin.IFDRational(numerator, denominator) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert numerator == reloaded.tag_v2[37380].numerator + assert denominator == reloaded.tag_v2[37380].denominator + + # out of bounds of 4 byte signed long + numerator = -(2 ** 31) - 1 + denominator = 1 + + info[37380] = TiffImagePlugin.IFDRational(numerator, denominator) + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert 2 ** 31 - 1 == reloaded.tag_v2[37380].numerator + assert -1 == reloaded.tag_v2[37380].denominator + + +def test_ifd_signed_long(tmp_path): + im = hopper() + info = TiffImagePlugin.ImageFileDirectory_v2() + + info[37000] = -60000 + + out = str(tmp_path / "temp.tiff") + im.save(out, tiffinfo=info, compression="raw") + + with Image.open(out) as reloaded: + assert reloaded.tag_v2[37000] == -60000 + + +def test_empty_values(): + data = io.BytesIO( + b"II*\x00\x08\x00\x00\x00\x03\x00\x1a\x01\x05\x00\x00\x00\x00\x00" + b"\x00\x00\x00\x00\x1b\x01\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00" + b"\x98\x82\x02\x00\x07\x00\x00\x002\x00\x00\x00\x00\x00\x00\x00a " + b"text\x00\x00" + ) + head = data.read(8) + info = TiffImagePlugin.ImageFileDirectory_v2(head) + info.load(data) + # Should not raise ValueError. + info = dict(info) + assert 33432 in info + + +def test_PhotoshopInfo(tmp_path): + with Image.open("Tests/images/issue_2278.tif") as im: + assert len(im.tag_v2[34377]) == 70 + assert isinstance(im.tag_v2[34377], bytes) + out = str(tmp_path / "temp.tiff") im.save(out) - reloaded = Image.open(out) - self.assertIsInstance(reloaded.tag_v2[34377], bytes) + with Image.open(out) as reloaded: + assert len(reloaded.tag_v2[34377]) == 70 + assert isinstance(reloaded.tag_v2[34377], bytes) + + +def test_too_many_entries(): + ifd = TiffImagePlugin.ImageFileDirectory_v2() + + # 277: ("SamplesPerPixel", SHORT, 1), + ifd._tagdata[277] = struct.pack("hh", 4, 4) + ifd.tagtype[277] = TiffTags.SHORT + + # Should not raise ValueError. + pytest.warns(UserWarning, lambda: ifd[277]) + + +def test_tag_group_data(): + base_ifd = TiffImagePlugin.ImageFileDirectory_v2() + interop_ifd = TiffImagePlugin.ImageFileDirectory_v2(group=40965) + for ifd in (base_ifd, interop_ifd): + ifd[2] = "test" + ifd[256] = 10 + + assert base_ifd.tagtype[256] == 4 + assert interop_ifd.tagtype[256] != base_ifd.tagtype[256] - def test_too_many_entries(self): - ifd = TiffImagePlugin.ImageFileDirectory_v2() + assert interop_ifd.tagtype[2] == 7 + assert base_ifd.tagtype[2] != interop_ifd.tagtype[256] - # 277: ("SamplesPerPixel", SHORT, 1), - ifd._tagdata[277] = struct.pack('hh', 4,4) - ifd.tagtype[277] = TiffTags.SHORT - try: - self.assert_warning(UserWarning, lambda: ifd[277]) - except ValueError: - self.fail("Invalid Metadata count should not cause a Value Error.") +def test_empty_subifd(tmp_path): + out = str(tmp_path / "temp.jpg") + im = hopper() + exif = im.getexif() + exif[TiffImagePlugin.EXIFIFD] = {} + im.save(out, exif=exif) -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + exif = reloaded.getexif() + assert exif.get_ifd(TiffImagePlugin.EXIFIFD) == {} diff --git a/Tests/test_file_wal.py b/Tests/test_file_wal.py new file mode 100644 index 00000000000..f25b42fe0c4 --- /dev/null +++ b/Tests/test_file_wal.py @@ -0,0 +1,21 @@ +from PIL import WalImageFile + +from .helper import assert_image_equal_tofile + + +def test_open(): + # Arrange + TEST_FILE = "Tests/images/hopper.wal" + + # Act + with WalImageFile.open(TEST_FILE) as im: + + # Assert + assert im.format == "WAL" + assert im.format_description == "Quake2 Texture" + assert im.mode == "P" + assert im.size == (128, 128) + + assert isinstance(im, WalImageFile.WalImageFile) + + assert_image_equal_tofile(im, "Tests/images/hopper_wal.png") diff --git a/Tests/test_file_webp.py b/Tests/test_file_webp.py index 06e274d0a1e..e72b4993c63 100644 --- a/Tests/test_file_webp.py +++ b/Tests/test_file_webp.py @@ -1,27 +1,47 @@ -from helper import unittest, PillowTestCase, hopper +import io +import re +import sys -from PIL import Image +import pytest + +from PIL import Image, WebPImagePlugin, features + +from .helper import ( + assert_image_similar, + assert_image_similar_tofile, + hopper, + skip_unless_feature, +) try: from PIL import _webp + HAVE_WEBP = True except ImportError: HAVE_WEBP = False -class TestFileWebp(PillowTestCase): +class TestUnsupportedWebp: + def test_unsupported(self): + if HAVE_WEBP: + WebPImagePlugin.SUPPORTED = False + + file_path = "Tests/images/hopper.webp" + pytest.warns(UserWarning, lambda: pytest.raises(OSError, Image.open, file_path)) + + if HAVE_WEBP: + WebPImagePlugin.SUPPORTED = True - def setUp(self): - if not HAVE_WEBP: - self.skipTest('WebP support not installed') - return - # WebPAnimDecoder only returns RGBA or RGBX, never RGB - self.rgb_mode = "RGBX" if _webp.HAVE_WEBPANIM else "RGB" +@skip_unless_feature("webp") +class TestFileWebp: + def setup_method(self): + self.rgb_mode = "RGB" def test_version(self): _webp.WebPDecoderVersion() _webp.WebPDecoderBuggyAlpha() + assert re.search(r"\d+\.\d+\.\d+$", features.version_module("webp")) def test_read_rgb(self): """ @@ -29,93 +49,91 @@ def test_read_rgb(self): Does it have the bits we expect? """ - file_path = "Tests/images/hopper.webp" - image = Image.open(file_path) - - self.assertEqual(image.mode, self.rgb_mode) - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") - image.load() - image.getdata() - - # generated with: - # dwebp -ppm ../../Tests/images/hopper.webp -o hopper_webp_bits.ppm - target = Image.open('Tests/images/hopper_webp_bits.ppm') - target = target.convert(self.rgb_mode) - self.assert_image_similar(image, target, 20.0) - - def test_write_rgb(self): + with Image.open("Tests/images/hopper.webp") as image: + assert image.mode == self.rgb_mode + assert image.size == (128, 128) + assert image.format == "WEBP" + image.load() + image.getdata() + + # generated with: + # dwebp -ppm ../../Tests/images/hopper.webp -o hopper_webp_bits.ppm + assert_image_similar_tofile(image, "Tests/images/hopper_webp_bits.ppm", 1.0) + + def _roundtrip(self, tmp_path, mode, epsilon, args={}): + temp_file = str(tmp_path / "temp.webp") + + hopper(mode).save(temp_file, **args) + with Image.open(temp_file) as image: + assert image.mode == self.rgb_mode + assert image.size == (128, 128) + assert image.format == "WEBP" + image.load() + image.getdata() + + if mode == self.rgb_mode: + # generated with: dwebp -ppm temp.webp -o hopper_webp_write.ppm + assert_image_similar_tofile( + image, "Tests/images/hopper_webp_write.ppm", 12.0 + ) + + # This test asserts that the images are similar. If the average pixel + # difference between the two images is less than the epsilon value, + # then we're going to accept that it's a reasonable lossy version of + # the image. + target = hopper(mode) + if mode != self.rgb_mode: + target = target.convert(self.rgb_mode) + assert_image_similar(image, target, epsilon) + + def test_write_rgb(self, tmp_path): """ - Can we write a RGB mode file to webp without error. + Can we write a RGB mode file to webp without error? Does it have the bits we expect? """ - temp_file = self.tempfile("temp.webp") + self._roundtrip(tmp_path, self.rgb_mode, 12.5) - hopper(self.rgb_mode).save(temp_file) - image = Image.open(temp_file) + def test_write_method(self, tmp_path): + self._roundtrip(tmp_path, self.rgb_mode, 12.0, {"method": 6}) - self.assertEqual(image.mode, self.rgb_mode) - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") - image.load() - image.getdata() + buffer_no_args = io.BytesIO() + hopper().save(buffer_no_args, format="WEBP") - # If we're using the exact same version of WebP, this test should pass. - # but it doesn't if the WebP is generated on Ubuntu and tested on - # Fedora. + buffer_method = io.BytesIO() + hopper().save(buffer_method, format="WEBP", method=6) + assert buffer_no_args.getbuffer() != buffer_method.getbuffer() - # generated with: dwebp -ppm temp.webp -o hopper_webp_write.ppm - # target = Image.open('Tests/images/hopper_webp_write.ppm') - # self.assert_image_equal(image, target) - - # This test asserts that the images are similar. If the average pixel - # difference between the two images is less than the epsilon value, - # then we're going to accept that it's a reasonable lossy version of - # the image. The old lena images for WebP are showing ~16 on - # Ubuntu, the jpegs are showing ~18. - target = hopper(self.rgb_mode) - self.assert_image_similar(image, target, 12.0) + def test_icc_profile(self, tmp_path): + self._roundtrip(tmp_path, self.rgb_mode, 12.5, {"icc_profile": None}) + if _webp.HAVE_WEBPANIM: + self._roundtrip( + tmp_path, self.rgb_mode, 12.5, {"icc_profile": None, "save_all": True} + ) - def test_write_unsupported_mode_L(self): + def test_write_unsupported_mode_L(self, tmp_path): """ Saving a black-and-white file to WebP format should work, and be similar to the original file. """ - temp_file = self.tempfile("temp.webp") - hopper("L").save(temp_file) - image = Image.open(temp_file) - - self.assertEqual(image.mode, self.rgb_mode) - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") - - image.load() - image.getdata() - target = hopper("L").convert(self.rgb_mode) - - self.assert_image_similar(image, target, 10.0) + self._roundtrip(tmp_path, "L", 10.0) - def test_write_unsupported_mode_P(self): + def test_write_unsupported_mode_P(self, tmp_path): """ Saving a palette-based file to WebP format should work, and be similar to the original file. """ - temp_file = self.tempfile("temp.webp") - hopper("P").save(temp_file) - image = Image.open(temp_file) + self._roundtrip(tmp_path, "P", 50.0) - self.assertEqual(image.mode, self.rgb_mode) - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") - - image.load() - image.getdata() - target = hopper("P").convert(self.rgb_mode) - - self.assert_image_similar(image, target, 50.0) + @pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="Requires 64-bit system") + def test_write_encoding_error_message(self, tmp_path): + temp_file = str(tmp_path / "temp.webp") + im = Image.new("RGB", (15000, 15000)) + with pytest.raises(ValueError) as e: + im.save(temp_file, method=0) + assert str(e.value) == "encoding error 6" def test_WebPEncode_with_invalid_args(self): """ @@ -123,8 +141,10 @@ def test_WebPEncode_with_invalid_args(self): """ if _webp.HAVE_WEBPANIM: - self.assertRaises(TypeError, _webp.WebPAnimEncoder) - self.assertRaises(TypeError, _webp.WebPEncode) + with pytest.raises(TypeError): + _webp.WebPAnimEncoder() + with pytest.raises(TypeError): + _webp.WebPEncode() def test_WebPDecode_with_invalid_args(self): """ @@ -132,9 +152,54 @@ def test_WebPDecode_with_invalid_args(self): """ if _webp.HAVE_WEBPANIM: - self.assertRaises(TypeError, _webp.WebPAnimDecoder) - self.assertRaises(TypeError, _webp.WebPDecode) + with pytest.raises(TypeError): + _webp.WebPAnimDecoder() + with pytest.raises(TypeError): + _webp.WebPDecode() + def test_no_resource_warning(self, tmp_path): + file_path = "Tests/images/hopper.webp" + with Image.open(file_path) as image: + temp_file = str(tmp_path / "temp.webp") + with pytest.warns(None) as record: + image.save(temp_file) + assert not record -if __name__ == '__main__': - unittest.main() + def test_file_pointer_could_be_reused(self): + file_path = "Tests/images/hopper.webp" + with open(file_path, "rb") as blob: + Image.open(blob).load() + Image.open(blob).load() + + @skip_unless_feature("webp") + @skip_unless_feature("webp_anim") + def test_background_from_gif(self, tmp_path): + with Image.open("Tests/images/chi.gif") as im: + original_value = im.convert("RGB").getpixel((1, 1)) + + # Save as WEBP + out_webp = str(tmp_path / "temp.webp") + im.save(out_webp, save_all=True) + + # Save as GIF + out_gif = str(tmp_path / "temp.gif") + with Image.open(out_webp) as im: + im.save(out_gif) + + with Image.open(out_gif) as reread: + reread_value = reread.convert("RGB").getpixel((1, 1)) + difference = sum(abs(original_value[i] - reread_value[i]) for i in range(0, 3)) + assert difference < 5 + + @skip_unless_feature("webp") + @skip_unless_feature("webp_anim") + def test_duration(self, tmp_path): + with Image.open("Tests/images/dispose_bgnd.gif") as im: + assert im.info["duration"] == 1000 + + out_webp = str(tmp_path / "temp.webp") + im.save(out_webp, save_all=True) + + with Image.open(out_webp) as reloaded: + reloaded.load() + assert reloaded.info["duration"] == 1000 diff --git a/Tests/test_file_webp_alpha.py b/Tests/test_file_webp_alpha.py index 60a324d182c..dc82fb742b2 100644 --- a/Tests/test_file_webp_alpha.py +++ b/Tests/test_file_webp_alpha.py @@ -1,126 +1,120 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image -try: - from PIL import _webp -except ImportError: - pass - # Skip in setUp() +from .helper import ( + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + hopper, +) +_webp = pytest.importorskip("PIL._webp", reason="WebP support not installed") -class TestFileWebpAlpha(PillowTestCase): - def setUp(self): - try: - from PIL import _webp - except ImportError: - self.skipTest('WebP support not installed') +def setup_module(): + if _webp.WebPDecoderBuggyAlpha(): + pytest.skip("Buggy early version of WebP installed, not testing transparency") - if _webp.WebPDecoderBuggyAlpha(self): - self.skipTest("Buggy early version of WebP installed, " - "not testing transparency") - def test_read_rgba(self): - """ - Can we read an RGBA mode file without error? - Does it have the bits we expect? - """ +def test_read_rgba(): + """ + Can we read an RGBA mode file without error? + Does it have the bits we expect? + """ - # Generated with `cwebp transparent.png -o transparent.webp` - file_path = "Tests/images/transparent.webp" - image = Image.open(file_path) - - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, (200, 150)) - self.assertEqual(image.format, "WEBP") + # Generated with `cwebp transparent.png -o transparent.webp` + file_path = "Tests/images/transparent.webp" + with Image.open(file_path) as image: + assert image.mode == "RGBA" + assert image.size == (200, 150) + assert image.format == "WEBP" image.load() image.getdata() image.tobytes() - target = Image.open('Tests/images/transparent.png') - self.assert_image_similar(image, target, 20.0) + assert_image_similar_tofile(image, "Tests/images/transparent.png", 20.0) + - def test_write_lossless_rgb(self): - """ - Can we write an RGBA mode file with lossless compression without - error? Does it have the bits we expect? - """ +def test_write_lossless_rgb(tmp_path): + """ + Can we write an RGBA mode file with lossless compression without error? + Does it have the bits we expect? + """ - temp_file = self.tempfile("temp.webp") - # temp_file = "temp.webp" + temp_file = str(tmp_path / "temp.webp") + # temp_file = "temp.webp" - pil_image = hopper('RGBA') + pil_image = hopper("RGBA") - mask = Image.new("RGBA", (64, 64), (128, 128, 128, 128)) - # Add some partially transparent bits: - pil_image.paste(mask, (0, 0), mask) + mask = Image.new("RGBA", (64, 64), (128, 128, 128, 128)) + # Add some partially transparent bits: + pil_image.paste(mask, (0, 0), mask) - pil_image.save(temp_file, lossless=True) + pil_image.save(temp_file, lossless=True) - image = Image.open(temp_file) + with Image.open(temp_file) as image: image.load() - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, pil_image.size) - self.assertEqual(image.format, "WEBP") + assert image.mode == "RGBA" + assert image.size == pil_image.size + assert image.format == "WEBP" image.load() image.getdata() - self.assert_image_equal(image, pil_image) + assert_image_equal(image, pil_image) + - def test_write_rgba(self): - """ - Can we write a RGBA mode file to webp without error. - Does it have the bits we expect? - """ +def test_write_rgba(tmp_path): + """ + Can we write a RGBA mode file to WebP without error. + Does it have the bits we expect? + """ - temp_file = self.tempfile("temp.webp") + temp_file = str(tmp_path / "temp.webp") - pil_image = Image.new("RGBA", (10, 10), (255, 0, 0, 20)) - pil_image.save(temp_file) + pil_image = Image.new("RGBA", (10, 10), (255, 0, 0, 20)) + pil_image.save(temp_file) - if _webp.WebPDecoderBuggyAlpha(self): - return + if _webp.WebPDecoderBuggyAlpha(): + return - image = Image.open(temp_file) + with Image.open(temp_file) as image: image.load() - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, (10, 10)) - self.assertEqual(image.format, "WEBP") + assert image.mode == "RGBA" + assert image.size == (10, 10) + assert image.format == "WEBP" image.load() image.getdata() - # early versions of webp are known to produce higher deviations: + # Early versions of WebP are known to produce higher deviations: # deal with it - if _webp.WebPDecoderVersion(self) <= 0x201: - self.assert_image_similar(image, pil_image, 3.0) + if _webp.WebPDecoderVersion() <= 0x201: + assert_image_similar(image, pil_image, 3.0) else: - self.assert_image_similar(image, pil_image, 1.0) + assert_image_similar(image, pil_image, 1.0) - def test_write_unsupported_mode_PA(self): - """ - Saving a palette-based file with transparency to WebP format - should work, and be similar to the original file. - """ - temp_file = self.tempfile("temp.webp") - file_path = "Tests/images/transparent.gif" - Image.open(file_path).save(temp_file) - image = Image.open(temp_file) +def test_write_unsupported_mode_PA(tmp_path): + """ + Saving a palette-based file with transparency to WebP format + should work, and be similar to the original file. + """ - self.assertEqual(image.mode, "RGBA") - self.assertEqual(image.size, (200, 150)) - self.assertEqual(image.format, "WEBP") + temp_file = str(tmp_path / "temp.webp") + file_path = "Tests/images/transparent.gif" + with Image.open(file_path) as im: + im.save(temp_file) + with Image.open(temp_file) as image: + assert image.mode == "RGBA" + assert image.size == (200, 150) + assert image.format == "WEBP" image.load() image.getdata() - target = Image.open(file_path).convert("RGBA") - - self.assert_image_similar(image, target, 25.0) - + with Image.open(file_path) as im: + target = im.convert("RGBA") -if __name__ == '__main__': - unittest.main() + assert_image_similar(image, target, 25.0) diff --git a/Tests/test_file_webp_animated.py b/Tests/test_file_webp_animated.py index f98cde764d5..25ebffe0248 100644 --- a/Tests/test_file_webp_animated.py +++ b/Tests/test_file_webp_animated.py @@ -1,155 +1,166 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image -try: - from PIL import _webp - HAVE_WEBP = True -except ImportError: - HAVE_WEBP = False +from .helper import ( + assert_image_equal, + assert_image_similar, + is_big_endian, + skip_unless_feature, +) +pytestmark = [ + skip_unless_feature("webp"), + skip_unless_feature("webp_anim"), +] -class TestFileWebpAnimation(PillowTestCase): - def setUp(self): - if not HAVE_WEBP: - self.skipTest('WebP support not installed') - return +def test_n_frames(): + """Ensure that WebP format sets n_frames and is_animated attributes correctly.""" - if not _webp.HAVE_WEBPANIM: - self.skipTest("WebP library does not contain animation support, " - "not testing animation") + with Image.open("Tests/images/hopper.webp") as im: + assert im.n_frames == 1 + assert not im.is_animated - def test_n_frames(self): - """ - Ensure that WebP format sets n_frames and is_animated - attributes correctly. - """ + with Image.open("Tests/images/iss634.webp") as im: + assert im.n_frames == 42 + assert im.is_animated - im = Image.open("Tests/images/hopper.webp") - self.assertEqual(im.n_frames, 1) - self.assertFalse(im.is_animated) - im = Image.open("Tests/images/iss634.webp") - self.assertEqual(im.n_frames, 42) - self.assertTrue(im.is_animated) +@pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian") +def test_write_animation_L(tmp_path): + """ + Convert an animated GIF to animated WebP, then compare the frame count, and first + and last frames to ensure they're visually similar. + """ - def test_write_animation_L(self): - """ - Convert an animated GIF to animated WebP, then compare the - frame count, and first and last frames to ensure they're - visually similar. - """ + with Image.open("Tests/images/iss634.gif") as orig: + assert orig.n_frames > 1 - orig = Image.open("Tests/images/iss634.gif") - self.assertGreater(orig.n_frames, 1) - - temp_file = self.tempfile("temp.webp") + temp_file = str(tmp_path / "temp.webp") orig.save(temp_file, save_all=True) - im = Image.open(temp_file) - self.assertEqual(im.n_frames, orig.n_frames) - - # Compare first and last frames to the original animated GIF - orig.load() - im.load() - self.assert_image_similar(im, orig.convert("RGBA"), 25.0) - orig.seek(orig.n_frames-1) - im.seek(im.n_frames-1) - orig.load() - im.load() - self.assert_image_similar(im, orig.convert("RGBA"), 25.0) - - def test_write_animation_RGB(self): - """ - Write an animated WebP from RGB frames, and ensure the frames - are visually similar to the originals. - """ - - def check(temp_file): - im = Image.open(temp_file) - self.assertEqual(im.n_frames, 2) + with Image.open(temp_file) as im: + assert im.n_frames == orig.n_frames + + # Compare first and last frames to the original animated GIF + orig.load() + im.load() + assert_image_similar(im, orig.convert("RGBA"), 32.9) + orig.seek(orig.n_frames - 1) + im.seek(im.n_frames - 1) + orig.load() + im.load() + assert_image_similar(im, orig.convert("RGBA"), 32.9) + + +@pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian") +def test_write_animation_RGB(tmp_path): + """ + Write an animated WebP from RGB frames, and ensure the frames + are visually similar to the originals. + """ + + def check(temp_file): + with Image.open(temp_file) as im: + assert im.n_frames == 2 # Compare first frame to original im.load() - self.assert_image_equal(im, frame1.convert("RGBA")) + assert_image_equal(im, frame1.convert("RGBA")) # Compare second frame to original im.seek(1) im.load() - self.assert_image_equal(im, frame2.convert("RGBA")) - - frame1 = Image.open('Tests/images/anim_frame1.webp') - frame2 = Image.open('Tests/images/anim_frame2.webp') - - temp_file1 = self.tempfile("temp.webp") - frame1.copy().save(temp_file1, - save_all=True, append_images=[frame2], lossless=True) - check(temp_file1) - - # Tests appending using a generator - def imGenerator(ims): - for im in ims: - yield im - temp_file2 = self.tempfile("temp_generator.webp") - frame1.copy().save(temp_file2, - save_all=True, append_images=imGenerator([frame2]), lossless=True) - check(temp_file2) - - def test_timestamp_and_duration(self): - """ - Try passing a list of durations, and make sure the encoded - timestamps and durations are correct. - """ - - durations = [0, 10, 20, 30, 40] - temp_file = self.tempfile("temp.webp") - frame1 = Image.open('Tests/images/anim_frame1.webp') - frame2 = Image.open('Tests/images/anim_frame2.webp') - frame1.save(temp_file, save_all=True, - append_images=[frame2, frame1, frame2, frame1], - duration=durations) - - im = Image.open(temp_file) - self.assertEqual(im.n_frames, 5) - self.assertTrue(im.is_animated) + assert_image_equal(im, frame2.convert("RGBA")) + + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + temp_file1 = str(tmp_path / "temp.webp") + frame1.copy().save( + temp_file1, save_all=True, append_images=[frame2], lossless=True + ) + check(temp_file1) + + # Tests appending using a generator + def imGenerator(ims): + yield from ims + + temp_file2 = str(tmp_path / "temp_generator.webp") + frame1.copy().save( + temp_file2, + save_all=True, + append_images=imGenerator([frame2]), + lossless=True, + ) + check(temp_file2) + + +def test_timestamp_and_duration(tmp_path): + """ + Try passing a list of durations, and make sure the encoded + timestamps and durations are correct. + """ + + durations = [0, 10, 20, 30, 40] + temp_file = str(tmp_path / "temp.webp") + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + frame1.save( + temp_file, + save_all=True, + append_images=[frame2, frame1, frame2, frame1], + duration=durations, + ) + + with Image.open(temp_file) as im: + assert im.n_frames == 5 + assert im.is_animated # Check that timestamps and durations match original values specified ts = 0 for frame in range(im.n_frames): im.seek(frame) im.load() - self.assertEqual(im.info["duration"], durations[frame]) - self.assertEqual(im.info["timestamp"], ts) + assert im.info["duration"] == durations[frame] + assert im.info["timestamp"] == ts ts += durations[frame] - def test_seeking(self): - """ - Create an animated WebP file, and then try seeking through - frames in reverse-order, verifying the timestamps and durations - are correct. - """ - - dur = 33 - temp_file = self.tempfile("temp.webp") - frame1 = Image.open('Tests/images/anim_frame1.webp') - frame2 = Image.open('Tests/images/anim_frame2.webp') - frame1.save(temp_file, save_all=True, - append_images=[frame2, frame1, frame2, frame1], - duration=dur) - - im = Image.open(temp_file) - self.assertEqual(im.n_frames, 5) - self.assertTrue(im.is_animated) + +def test_seeking(tmp_path): + """ + Create an animated WebP file, and then try seeking through frames in reverse-order, + verifying the timestamps and durations are correct. + """ + + dur = 33 + temp_file = str(tmp_path / "temp.webp") + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + frame1.save( + temp_file, + save_all=True, + append_images=[frame2, frame1, frame2, frame1], + duration=dur, + ) + + with Image.open(temp_file) as im: + assert im.n_frames == 5 + assert im.is_animated # Traverse frames in reverse, checking timestamps and durations - ts = dur * (im.n_frames-1) + ts = dur * (im.n_frames - 1) for frame in reversed(range(im.n_frames)): im.seek(frame) im.load() - self.assertEqual(im.info["duration"], dur) - self.assertEqual(im.info["timestamp"], ts) + assert im.info["duration"] == dur + assert im.info["timestamp"] == ts ts -= dur -if __name__ == '__main__': - unittest.main() +def test_seek_errors(): + with Image.open("Tests/images/iss634.webp") as im: + with pytest.raises(EOFError): + im.seek(-1) + + with pytest.raises(EOFError): + im.seek(42) diff --git a/Tests/test_file_webp_lossless.py b/Tests/test_file_webp_lossless.py index 10354c55fcd..2da443628d7 100644 --- a/Tests/test_file_webp_lossless.py +++ b/Tests/test_file_webp_lossless.py @@ -1,43 +1,28 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image -try: - from PIL import _webp - HAVE_WEBP = True -except ImportError: - HAVE_WEBP = False +from .helper import assert_image_equal, hopper +_webp = pytest.importorskip("PIL._webp", reason="WebP support not installed") +RGB_MODE = "RGB" -class TestFileWebpLossless(PillowTestCase): - def setUp(self): - if not HAVE_WEBP: - self.skipTest('WebP support not installed') - return +def test_write_lossless_rgb(tmp_path): + if _webp.WebPDecoderVersion() < 0x0200: + pytest.skip("lossless not included") - if (_webp.WebPDecoderVersion() < 0x0200): - self.skipTest('lossless not included') + temp_file = str(tmp_path / "temp.webp") - # WebPAnimDecoder only returns RGBA or RGBX, never RGB - self.rgb_mode = "RGBX" if _webp.HAVE_WEBPANIM else "RGB" + hopper(RGB_MODE).save(temp_file, lossless=True) - def test_write_lossless_rgb(self): - temp_file = self.tempfile("temp.webp") - - hopper(self.rgb_mode).save(temp_file, lossless=True) - - image = Image.open(temp_file) + with Image.open(temp_file) as image: image.load() - self.assertEqual(image.mode, self.rgb_mode) - self.assertEqual(image.size, (128, 128)) - self.assertEqual(image.format, "WEBP") + assert image.mode == RGB_MODE + assert image.size == (128, 128) + assert image.format == "WEBP" image.load() image.getdata() - self.assert_image_equal(image, hopper(self.rgb_mode)) - - -if __name__ == '__main__': - unittest.main() + assert_image_equal(image, hopper(RGB_MODE)) diff --git a/Tests/test_file_webp_metadata.py b/Tests/test_file_webp_metadata.py index c04443f467b..e6d6fc63fc4 100644 --- a/Tests/test_file_webp_metadata.py +++ b/Tests/test_file_webp_metadata.py @@ -1,139 +1,139 @@ -from helper import unittest, PillowTestCase +from io import BytesIO -from PIL import Image - -try: - from PIL import _webp - HAVE_WEBP = True -except ImportError: - HAVE_WEBP = False +import pytest +from PIL import Image -class TestFileWebpMetadata(PillowTestCase): +from .helper import mark_if_feature_version, skip_unless_feature - def setUp(self): - if not HAVE_WEBP: - self.skipTest('WebP support not installed') - return +pytestmark = [ + skip_unless_feature("webp"), + skip_unless_feature("webp_mux"), +] - if not _webp.HAVE_WEBPMUX: - self.skipTest('WebPMux support not installed') - def test_read_exif_metadata(self): +def test_read_exif_metadata(): - file_path = "Tests/images/flower.webp" - image = Image.open(file_path) + file_path = "Tests/images/flower.webp" + with Image.open(file_path) as image: - self.assertEqual(image.format, "WEBP") + assert image.format == "WEBP" exif_data = image.info.get("exif", None) - self.assertTrue(exif_data) + assert exif_data exif = image._getexif() - # camera make - self.assertEqual(exif[271], "Canon") - - jpeg_image = Image.open('Tests/images/flower.jpg') - expected_exif = jpeg_image.info['exif'] + # Camera make + assert exif[271] == "Canon" - self.assertEqual(exif_data, expected_exif) + with Image.open("Tests/images/flower.jpg") as jpeg_image: + expected_exif = jpeg_image.info["exif"] - def test_write_exif_metadata(self): - from io import BytesIO + assert exif_data == expected_exif - file_path = "Tests/images/flower.jpg" - image = Image.open(file_path) - expected_exif = image.info['exif'] - test_buffer = BytesIO() +def test_read_exif_metadata_without_prefix(): + with Image.open("Tests/images/flower2.webp") as im: + # Assert prefix is not present + assert im.info["exif"][:6] != b"Exif\x00\x00" - image.save(test_buffer, "webp", exif=expected_exif) + exif = im.getexif() + assert exif[305] == "Adobe Photoshop CS6 (Macintosh)" - test_buffer.seek(0) - webp_image = Image.open(test_buffer) - webp_exif = webp_image.info.get('exif', None) - self.assertTrue(webp_exif) - if webp_exif: - self.assertEqual( - webp_exif, expected_exif, "WebP EXIF didn't match") +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_write_exif_metadata(): + file_path = "Tests/images/flower.jpg" + test_buffer = BytesIO() + with Image.open(file_path) as image: + expected_exif = image.info["exif"] - def test_read_icc_profile(self): + image.save(test_buffer, "webp", exif=expected_exif) - file_path = "Tests/images/flower2.webp" - image = Image.open(file_path) + test_buffer.seek(0) + with Image.open(test_buffer) as webp_image: + webp_exif = webp_image.info.get("exif", None) + assert webp_exif + if webp_exif: + assert webp_exif == expected_exif, "WebP EXIF didn't match" - self.assertEqual(image.format, "WEBP") - self.assertTrue(image.info.get("icc_profile", None)) - icc = image.info['icc_profile'] +def test_read_icc_profile(): - jpeg_image = Image.open('Tests/images/flower2.jpg') - expected_icc = jpeg_image.info['icc_profile'] + file_path = "Tests/images/flower2.webp" + with Image.open(file_path) as image: - self.assertEqual(icc, expected_icc) + assert image.format == "WEBP" + assert image.info.get("icc_profile", None) - def test_write_icc_metadata(self): - from io import BytesIO + icc = image.info["icc_profile"] - file_path = "Tests/images/flower2.jpg" - image = Image.open(file_path) - expected_icc_profile = image.info['icc_profile'] + with Image.open("Tests/images/flower2.jpg") as jpeg_image: + expected_icc = jpeg_image.info["icc_profile"] - test_buffer = BytesIO() + assert icc == expected_icc - image.save(test_buffer, "webp", icc_profile=expected_icc_profile) - test_buffer.seek(0) - webp_image = Image.open(test_buffer) +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_write_icc_metadata(): + file_path = "Tests/images/flower2.jpg" + test_buffer = BytesIO() + with Image.open(file_path) as image: + expected_icc_profile = image.info["icc_profile"] - webp_icc_profile = webp_image.info.get('icc_profile', None) + image.save(test_buffer, "webp", icc_profile=expected_icc_profile) - self.assertTrue(webp_icc_profile) - if webp_icc_profile: - self.assertEqual( - webp_icc_profile, expected_icc_profile, - "Webp ICC didn't match") + test_buffer.seek(0) + with Image.open(test_buffer) as webp_image: + webp_icc_profile = webp_image.info.get("icc_profile", None) - def test_read_no_exif(self): - from io import BytesIO + assert webp_icc_profile + if webp_icc_profile: + assert webp_icc_profile == expected_icc_profile, "Webp ICC didn't match" - file_path = "Tests/images/flower.jpg" - image = Image.open(file_path) - self.assertIn('exif', image.info) - test_buffer = BytesIO() +@mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" +) +def test_read_no_exif(): + file_path = "Tests/images/flower.jpg" + test_buffer = BytesIO() + with Image.open(file_path) as image: + assert "exif" in image.info image.save(test_buffer, "webp") - test_buffer.seek(0) - webp_image = Image.open(test_buffer) - - self.assertFalse(webp_image._getexif()) - - def test_write_animated_metadata(self): - if not _webp.HAVE_WEBPANIM: - self.skipTest('WebP animation support not available') - - iccp_data = ''.encode('utf-8') - exif_data = ''.encode('utf-8') - xmp_data = ''.encode('utf-8') - - temp_file = self.tempfile("temp.webp") - frame1 = Image.open('Tests/images/anim_frame1.webp') - frame2 = Image.open('Tests/images/anim_frame2.webp') - frame1.save(temp_file, save_all=True, - append_images=[frame2, frame1, frame2], - icc_profile=iccp_data, exif=exif_data, xmp=xmp_data) - - image = Image.open(temp_file) - self.assertIn('icc_profile', image.info) - self.assertIn('exif', image.info) - self.assertIn('xmp', image.info) - self.assertEqual(iccp_data, image.info.get('icc_profile', None)) - self.assertEqual(exif_data, image.info.get('exif', None)) - self.assertEqual(xmp_data, image.info.get('xmp', None)) - - -if __name__ == '__main__': - unittest.main() + test_buffer.seek(0) + with Image.open(test_buffer) as webp_image: + assert not webp_image._getexif() + + +@skip_unless_feature("webp_anim") +def test_write_animated_metadata(tmp_path): + iccp_data = b"" + exif_data = b"" + xmp_data = b"" + + temp_file = str(tmp_path / "temp.webp") + with Image.open("Tests/images/anim_frame1.webp") as frame1: + with Image.open("Tests/images/anim_frame2.webp") as frame2: + frame1.save( + temp_file, + save_all=True, + append_images=[frame2, frame1, frame2], + icc_profile=iccp_data, + exif=exif_data, + xmp=xmp_data, + ) + + with Image.open(temp_file) as image: + assert "icc_profile" in image.info + assert "exif" in image.info + assert "xmp" in image.info + assert iccp_data == image.info.get("icc_profile", None) + assert exif_data == image.info.get("exif", None) + assert xmp_data == image.info.get("xmp", None) diff --git a/Tests/test_file_wmf.py b/Tests/test_file_wmf.py index 1a15a514ffa..3f8bc96ccdd 100644 --- a/Tests/test_file_wmf.py +++ b/Tests/test_file_wmf.py @@ -1,57 +1,69 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image -from PIL import WmfImagePlugin +from PIL import Image, WmfImagePlugin +from .helper import assert_image_similar_tofile, hopper -class TestFileWmf(PillowTestCase): - def test_load_raw(self): +def test_load_raw(): - # Test basic EMF open and rendering - im = Image.open('Tests/images/drawing.emf') + # Test basic EMF open and rendering + with Image.open("Tests/images/drawing.emf") as im: if hasattr(Image.core, "drawwmf"): # Currently, support for WMF/EMF is Windows-only im.load() # Compare to reference rendering - imref = Image.open('Tests/images/drawing_emf_ref.png') - imref.load() - self.assert_image_similar(im, imref, 0) + assert_image_similar_tofile(im, "Tests/images/drawing_emf_ref.png", 0) - # Test basic WMF open and rendering - im = Image.open('Tests/images/drawing.wmf') + # Test basic WMF open and rendering + with Image.open("Tests/images/drawing.wmf") as im: if hasattr(Image.core, "drawwmf"): # Currently, support for WMF/EMF is Windows-only im.load() # Compare to reference rendering - imref = Image.open('Tests/images/drawing_wmf_ref.png') - imref.load() - self.assert_image_similar(im, imref, 2.0) + assert_image_similar_tofile(im, "Tests/images/drawing_wmf_ref.png", 2.0) - def test_register_handler(self): - class TestHandler: - methodCalled = False - def save(self, im, fp, filename): - self.methodCalled = True - handler = TestHandler() - WmfImagePlugin.register_handler(handler) +def test_register_handler(tmp_path): + class TestHandler: + methodCalled = False - im = hopper() - tmpfile = self.tempfile("temp.wmf") - im.save(tmpfile) - self.assertTrue(handler.methodCalled) + def save(self, im, fp, filename): + self.methodCalled = True - # Restore the state before this test - WmfImagePlugin.register_handler(None) + handler = TestHandler() + original_handler = WmfImagePlugin._handler + WmfImagePlugin.register_handler(handler) - def test_save(self): - im = hopper() + im = hopper() + tmpfile = str(tmp_path / "temp.wmf") + im.save(tmpfile) + assert handler.methodCalled - for ext in [".wmf", ".emf"]: - tmpfile = self.tempfile("temp"+ext) - self.assertRaises(IOError, im.save, tmpfile) + # Restore the state before this test + WmfImagePlugin.register_handler(original_handler) -if __name__ == '__main__': - unittest.main() +def test_load_float_dpi(): + with Image.open("Tests/images/drawing.emf") as im: + assert im.info["dpi"] == 1423.7668161434979 + + +def test_load_set_dpi(): + with Image.open("Tests/images/drawing.wmf") as im: + assert im.size == (82, 82) + + if hasattr(Image.core, "drawwmf"): + im.load(144) + assert im.size == (164, 164) + + assert_image_similar_tofile(im, "Tests/images/drawing_wmf_ref_144.png", 2.1) + + +def test_save(tmp_path): + im = hopper() + + for ext in [".wmf", ".emf"]: + tmpfile = str(tmp_path / ("temp" + ext)) + with pytest.raises(OSError): + im.save(tmpfile) diff --git a/Tests/test_file_xbm.py b/Tests/test_file_xbm.py index 398dae98c11..487920a9282 100644 --- a/Tests/test_file_xbm.py +++ b/Tests/test_file_xbm.py @@ -1,7 +1,11 @@ -from helper import unittest, PillowTestCase +from io import BytesIO + +import pytest from PIL import Image +from .helper import hopper + PIL151 = b""" #define basic_width 32 #define basic_height 32 @@ -26,41 +30,53 @@ """ -class TestFileXbm(PillowTestCase): +def test_pil151(): + with Image.open(BytesIO(PIL151)) as im: + im.load() + assert im.mode == "1" + assert im.size == (32, 32) - def test_pil151(self): - from io import BytesIO - im = Image.open(BytesIO(PIL151)) +def test_open(): + # Arrange + # Created with `convert hopper.png hopper.xbm` + filename = "Tests/images/hopper.xbm" + + # Act + with Image.open(filename) as im: + + # Assert + assert im.mode == "1" + assert im.size == (128, 128) - im.load() - self.assertEqual(im.mode, '1') - self.assertEqual(im.size, (32, 32)) - def test_open(self): - # Arrange - # Created with `convert hopper.png hopper.xbm` - filename = "Tests/images/hopper.xbm" +def test_open_filename_with_underscore(): + # Arrange + # Created with `convert hopper.png hopper_underscore.xbm` + filename = "Tests/images/hopper_underscore.xbm" - # Act - im = Image.open(filename) + # Act + with Image.open(filename) as im: # Assert - self.assertEqual(im.mode, '1') - self.assertEqual(im.size, (128, 128)) + assert im.mode == "1" + assert im.size == (128, 128) - def test_open_filename_with_underscore(self): - # Arrange - # Created with `convert hopper.png hopper_underscore.xbm` - filename = "Tests/images/hopper_underscore.xbm" - # Act - im = Image.open(filename) +def test_save_wrong_mode(tmp_path): + im = hopper() + out = str(tmp_path / "temp.xbm") - # Assert - self.assertEqual(im.mode, '1') - self.assertEqual(im.size, (128, 128)) + with pytest.raises(OSError): + im.save(out) + + +def test_hotspot(tmp_path): + im = hopper("1") + out = str(tmp_path / "temp.xbm") + hotspot = (0, 7) + im.save(out, hotspot=hotspot) -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + assert reloaded.info["hotspot"] == hotspot diff --git a/Tests/test_file_xpm.py b/Tests/test_file_xpm.py index 4fa3f743ff9..8595b07eb91 100644 --- a/Tests/test_file_xpm.py +++ b/Tests/test_file_xpm.py @@ -1,39 +1,37 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, XpmImagePlugin -TEST_FILE = "Tests/images/hopper.xpm" +from .helper import assert_image_similar, hopper +TEST_FILE = "Tests/images/hopper.xpm" -class TestFileXpm(PillowTestCase): - def test_sanity(self): - im = Image.open(TEST_FILE) +def test_sanity(): + with Image.open(TEST_FILE) as im: im.load() - self.assertEqual(im.mode, "P") - self.assertEqual(im.size, (128, 128)) - self.assertEqual(im.format, "XPM") + assert im.mode == "P" + assert im.size == (128, 128) + assert im.format == "XPM" # large error due to quantization->44 colors. - self.assert_image_similar(im.convert('RGB'), hopper('RGB'), 60) + assert_image_similar(im.convert("RGB"), hopper("RGB"), 60) + - def test_invalid_file(self): - invalid_file = "Tests/images/flower.jpg" +def test_invalid_file(): + invalid_file = "Tests/images/flower.jpg" - self.assertRaises(SyntaxError, - XpmImagePlugin.XpmImageFile, invalid_file) + with pytest.raises(SyntaxError): + XpmImagePlugin.XpmImageFile(invalid_file) - def test_load_read(self): - # Arrange - im = Image.open(TEST_FILE) + +def test_load_read(): + # Arrange + with Image.open(TEST_FILE) as im: dummy_bytes = 1 # Act data = im.load_read(dummy_bytes) - # Assert - self.assertEqual(len(data), 16384) - - -if __name__ == '__main__': - unittest.main() + # Assert + assert len(data) == 16384 diff --git a/Tests/test_file_xvthumb.py b/Tests/test_file_xvthumb.py index d0256cabf7c..ae53d2b6357 100644 --- a/Tests/test_file_xvthumb.py +++ b/Tests/test_file_xvthumb.py @@ -1,40 +1,38 @@ -from helper import hopper, unittest, PillowTestCase +import pytest from PIL import Image, XVThumbImagePlugin -TEST_FILE = "Tests/images/hopper.p7" +from .helper import assert_image_similar, hopper +TEST_FILE = "Tests/images/hopper.p7" -class TestFileXVThumb(PillowTestCase): - def test_open(self): - # Act - im = Image.open(TEST_FILE) +def test_open(): + # Act + with Image.open(TEST_FILE) as im: # Assert - self.assertEqual(im.format, "XVThumb") + assert im.format == "XVThumb" # Create a Hopper image with a similar XV palette im_hopper = hopper().quantize(palette=im) - self.assert_image_similar(im, im_hopper, 9) + assert_image_similar(im, im_hopper, 9) - def test_unexpected_eof(self): - # Test unexpected EOF reading XV thumbnail file - # Arrange - bad_file = "Tests/images/hopper_bad.p7" - # Act / Assert - self.assertRaises(SyntaxError, - XVThumbImagePlugin.XVThumbImageFile, bad_file) +def test_unexpected_eof(): + # Test unexpected EOF reading XV thumbnail file + # Arrange + bad_file = "Tests/images/hopper_bad.p7" - def test_invalid_file(self): - # Arrange - invalid_file = "Tests/images/flower.jpg" + # Act / Assert + with pytest.raises(SyntaxError): + XVThumbImagePlugin.XVThumbImageFile(bad_file) - # Act / Assert - self.assertRaises(SyntaxError, - XVThumbImagePlugin.XVThumbImageFile, invalid_file) +def test_invalid_file(): + # Arrange + invalid_file = "Tests/images/flower.jpg" -if __name__ == '__main__': - unittest.main() + # Act / Assert + with pytest.raises(SyntaxError): + XVThumbImagePlugin.XVThumbImageFile(invalid_file) diff --git a/Tests/test_font_bdf.py b/Tests/test_font_bdf.py index 7c8fe579e57..1e7caee3297 100644 --- a/Tests/test_font_bdf.py +++ b/Tests/test_font_bdf.py @@ -1,24 +1,19 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import FontFile, BdfFontFile +from PIL import BdfFontFile, FontFile filename = "Tests/images/courB08.bdf" -class TestFontBdf(PillowTestCase): +def test_sanity(): + with open(filename, "rb") as test_file: + font = BdfFontFile.BdfFontFile(test_file) - def test_sanity(self): + assert isinstance(font, FontFile.FontFile) + assert len([_f for _f in font.glyph if _f]) == 190 - with open(filename, "rb") as test_file: - font = BdfFontFile.BdfFontFile(test_file) - self.assertIsInstance(font, FontFile.FontFile) - self.assertEqual(len([_f for _f in font.glyph if _f]), 190) - - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, BdfFontFile.BdfFontFile, fp) - - -if __name__ == '__main__': - unittest.main() +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + BdfFontFile.BdfFontFile(fp) diff --git a/Tests/test_font_leaks.py b/Tests/test_font_leaks.py index 709339233e0..38f7ddac5de 100644 --- a/Tests/test_font_leaks.py +++ b/Tests/test_font_leaks.py @@ -1,34 +1,33 @@ -from __future__ import division -from helper import unittest, PillowLeakTestCase -import sys -from PIL import Image, features, ImageDraw, ImageFont +from PIL import Image, ImageDraw, ImageFont + +from .helper import PillowLeakTestCase, skip_unless_feature + -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") class TestTTypeFontLeak(PillowLeakTestCase): - # fails at iteration 3 in master + # fails at iteration 3 in main iterations = 10 - mem_limit = 4096 #k + mem_limit = 4096 # k def _test_font(self, font): - im = Image.new('RGB', (255,255), 'white') + im = Image.new("RGB", (255, 255), "white") draw = ImageDraw.ImageDraw(im) - self._test_leak(lambda: draw.text((0, 0), "some text "*1024, #~10k - font=font, fill="black")) - - @unittest.skipIf(not features.check('freetype2'), "Test requires freetype2") + self._test_leak( + lambda: draw.text( + (0, 0), "some text " * 1024, font=font, fill="black" # ~10k + ) + ) + + @skip_unless_feature("freetype2") def test_leak(self): - ttype = ImageFont.truetype('Tests/fonts/FreeMono.ttf', 20) + ttype = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 20) self._test_font(ttype) + class TestDefaultFontLeak(TestTTypeFontLeak): - # fails at iteration 37 in master + # fails at iteration 37 in main iterations = 100 - mem_limit = 1024 #k - + mem_limit = 1024 # k + def test_leak(self): default_font = ImageFont.load_default() self._test_font(default_font) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_font_pcf.py b/Tests/test_font_pcf.py index dc4c586c06f..288848f2619 100644 --- a/Tests/test_font_pcf.py +++ b/Tests/test_font_pcf.py @@ -1,85 +1,92 @@ -from helper import unittest, PillowTestCase +import os -from PIL import Image, FontFile, PcfFontFile -from PIL import ImageFont, ImageDraw +import pytest -codecs = dir(Image.core) +from PIL import FontFile, Image, ImageDraw, ImageFont, PcfFontFile + +from .helper import ( + assert_image_equal_tofile, + assert_image_similar_tofile, + skip_unless_feature, +) fontname = "Tests/fonts/10x20-ISO8859-1.pcf" message = "hello, world" -class TestFontPcf(PillowTestCase): - - def setUp(self): - if "zip_encoder" not in codecs or "zip_decoder" not in codecs: - self.skipTest("zlib support not available") - - def save_font(self): - with open(fontname, "rb") as test_file: - font = PcfFontFile.PcfFontFile(test_file) - self.assertIsInstance(font, FontFile.FontFile) - #check the number of characters in the font - self.assertEqual(len([_f for _f in font.glyph if _f]), 223) - - tempname = self.tempfile("temp.pil") - self.addCleanup(self.delete_tempfile, tempname[:-4]+'.pbm') - font.save(tempname) - - with Image.open(tempname.replace('.pil', '.pbm')) as loaded: - with Image.open('Tests/fonts/10x20.pbm') as target: - self.assert_image_equal(loaded, target) - - with open(tempname, 'rb') as f_loaded: - with open('Tests/fonts/10x20.pil', 'rb') as f_target: - self.assertEqual(f_loaded.read(), f_target.read()) - return tempname - - def test_sanity(self): - self.save_font() - - def test_invalid_file(self): - with open("Tests/images/flower.jpg", "rb") as fp: - self.assertRaises(SyntaxError, PcfFontFile.PcfFontFile, fp) - - def test_draw(self): - tempname = self.save_font() - font = ImageFont.load(tempname) - im = Image.new("L", (130,30), "white") - draw = ImageDraw.Draw(im) - draw.text((0, 0), message, 'black', font=font) - with Image.open('Tests/images/test_draw_pbm_target.png') as target: - self.assert_image_similar(im, target, 0) - - def test_textsize(self): - tempname = self.save_font() - font = ImageFont.load(tempname) - for i in range(255): - (dx,dy) = font.getsize(chr(i)) - self.assertEqual(dy, 20) - self.assertIn(dx, (0,10)) - for l in range(len(message)): - msg = message[:l+1] - self.assertEqual(font.getsize(msg), (len(msg)*10,20)) - - def _test_high_characters(self, message): - tempname = self.save_font() - font = ImageFont.load(tempname) - im = Image.new("L", (750,30) , "white") - draw = ImageDraw.Draw(im) - draw.text((0, 0), message, "black", font=font) - with Image.open('Tests/images/high_ascii_chars.png') as target: - self.assert_image_similar(im, target, 0) - - - def test_high_characters(self): - message = "".join(chr(i+1) for i in range(140, 232)) - self._test_high_characters(message) - # accept bytes instances in Py3. - if bytes is not str: - self._test_high_characters(message.encode('latin1')) - - -if __name__ == '__main__': - unittest.main() +pytestmark = skip_unless_feature("zlib") + + +def save_font(request, tmp_path): + with open(fontname, "rb") as test_file: + font = PcfFontFile.PcfFontFile(test_file) + assert isinstance(font, FontFile.FontFile) + # check the number of characters in the font + assert len([_f for _f in font.glyph if _f]) == 223 + + tempname = str(tmp_path / "temp.pil") + + def delete_tempfile(): + try: + os.remove(tempname[:-4] + ".pbm") + except OSError: + pass # report? + + request.addfinalizer(delete_tempfile) + font.save(tempname) + + with Image.open(tempname.replace(".pil", ".pbm")) as loaded: + assert_image_equal_tofile(loaded, "Tests/fonts/10x20.pbm") + + with open(tempname, "rb") as f_loaded: + with open("Tests/fonts/10x20.pil", "rb") as f_target: + assert f_loaded.read() == f_target.read() + return tempname + + +def test_sanity(request, tmp_path): + save_font(request, tmp_path) + + +def test_invalid_file(): + with open("Tests/images/flower.jpg", "rb") as fp: + with pytest.raises(SyntaxError): + PcfFontFile.PcfFontFile(fp) + + +def test_draw(request, tmp_path): + tempname = save_font(request, tmp_path) + font = ImageFont.load(tempname) + im = Image.new("L", (130, 30), "white") + draw = ImageDraw.Draw(im) + draw.text((0, 0), message, "black", font=font) + assert_image_similar_tofile(im, "Tests/images/test_draw_pbm_target.png", 0) + + +def test_textsize(request, tmp_path): + tempname = save_font(request, tmp_path) + font = ImageFont.load(tempname) + for i in range(255): + (dx, dy) = font.getsize(chr(i)) + assert dy == 20 + assert dx in (0, 10) + for i in range(len(message)): + msg = message[: i + 1] + assert font.getsize(msg) == (len(msg) * 10, 20) + + +def _test_high_characters(request, tmp_path, message): + tempname = save_font(request, tmp_path) + font = ImageFont.load(tempname) + im = Image.new("L", (750, 30), "white") + draw = ImageDraw.Draw(im) + draw.text((0, 0), message, "black", font=font) + assert_image_similar_tofile(im, "Tests/images/high_ascii_chars.png", 0) + + +def test_high_characters(request, tmp_path): + message = "".join(chr(i + 1) for i in range(140, 232)) + _test_high_characters(request, tmp_path, message) + # accept bytes instances. + _test_high_characters(request, tmp_path, message.encode("latin1")) diff --git a/Tests/test_font_pcf_charsets.py b/Tests/test_font_pcf_charsets.py new file mode 100644 index 00000000000..a1036fd28e6 --- /dev/null +++ b/Tests/test_font_pcf_charsets.py @@ -0,0 +1,122 @@ +import os + +from PIL import FontFile, Image, ImageDraw, ImageFont, PcfFontFile + +from .helper import ( + assert_image_equal_tofile, + assert_image_similar_tofile, + skip_unless_feature, +) + +fontname = "Tests/fonts/ter-x20b.pcf" + +charsets = { + "iso8859-1": { + "glyph_count": 223, + "message": "hello, world", + "image1": "Tests/images/test_draw_pbm_ter_en_target.png", + }, + "iso8859-2": { + "glyph_count": 223, + "message": "witaj świecie", + "image1": "Tests/images/test_draw_pbm_ter_pl_target.png", + }, + "cp1250": { + "glyph_count": 250, + "message": "witaj świecie", + "image1": "Tests/images/test_draw_pbm_ter_pl_target.png", + }, +} + + +pytestmark = skip_unless_feature("zlib") + + +def save_font(request, tmp_path, encoding): + with open(fontname, "rb") as test_file: + font = PcfFontFile.PcfFontFile(test_file, encoding) + assert isinstance(font, FontFile.FontFile) + # check the number of characters in the font + assert len([_f for _f in font.glyph if _f]) == charsets[encoding]["glyph_count"] + + tempname = str(tmp_path / "temp.pil") + + def delete_tempfile(): + try: + os.remove(tempname[:-4] + ".pbm") + except OSError: + pass # report? + + request.addfinalizer(delete_tempfile) + font.save(tempname) + + with Image.open(tempname.replace(".pil", ".pbm")) as loaded: + assert_image_equal_tofile(loaded, f"Tests/fonts/ter-x20b-{encoding}.pbm") + + with open(tempname, "rb") as f_loaded: + with open(f"Tests/fonts/ter-x20b-{encoding}.pil", "rb") as f_target: + assert f_loaded.read() == f_target.read() + return tempname + + +def _test_sanity(request, tmp_path, encoding): + save_font(request, tmp_path, encoding) + + +def test_sanity_iso8859_1(request, tmp_path): + _test_sanity(request, tmp_path, "iso8859-1") + + +def test_sanity_iso8859_2(request, tmp_path): + _test_sanity(request, tmp_path, "iso8859-2") + + +def test_sanity_cp1250(request, tmp_path): + _test_sanity(request, tmp_path, "cp1250") + + +def _test_draw(request, tmp_path, encoding): + tempname = save_font(request, tmp_path, encoding) + font = ImageFont.load(tempname) + im = Image.new("L", (150, 30), "white") + draw = ImageDraw.Draw(im) + message = charsets[encoding]["message"].encode(encoding) + draw.text((0, 0), message, "black", font=font) + assert_image_similar_tofile(im, charsets[encoding]["image1"], 0) + + +def test_draw_iso8859_1(request, tmp_path): + _test_draw(request, tmp_path, "iso8859-1") + + +def test_draw_iso8859_2(request, tmp_path): + _test_draw(request, tmp_path, "iso8859-2") + + +def test_draw_cp1250(request, tmp_path): + _test_draw(request, tmp_path, "cp1250") + + +def _test_textsize(request, tmp_path, encoding): + tempname = save_font(request, tmp_path, encoding) + font = ImageFont.load(tempname) + for i in range(255): + (dx, dy) = font.getsize(bytearray([i])) + assert dy == 20 + assert dx in (0, 10) + message = charsets[encoding]["message"].encode(encoding) + for i in range(len(message)): + msg = message[: i + 1] + assert font.getsize(msg) == (len(msg) * 10, 20) + + +def test_textsize_iso8859_1(request, tmp_path): + _test_textsize(request, tmp_path, "iso8859-1") + + +def test_textsize_iso8859_2(request, tmp_path): + _test_textsize(request, tmp_path, "iso8859-2") + + +def test_textsize_cp1250(request, tmp_path): + _test_textsize(request, tmp_path, "cp1250") diff --git a/Tests/test_format_hsv.py b/Tests/test_format_hsv.py index 2cc54c910d6..3b9c8b07146 100644 --- a/Tests/test_format_hsv.py +++ b/Tests/test_format_hsv.py @@ -1,170 +1,151 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image - import colorsys import itertools +from PIL import Image -class TestFormatHSV(PillowTestCase): - - def int_to_float(self, i): - return float(i)/255.0 - - def str_to_float(self, i): - - return float(ord(i))/255.0 - - def to_int(self, f): - return int(f*255.0) +from .helper import assert_image_similar, hopper - def tuple_to_ints(self, tp): - x, y, z = tp - return (int(x*255.0), int(y*255.0), int(z*255.0)) - def test_sanity(self): - Image.new('HSV', (100, 100)) +def int_to_float(i): + return i / 255 - def wedge(self): - w = Image._wedge() - w90 = w.rotate(90) - (px, h) = w.size +def str_to_float(i): + return ord(i) / 255 - r = Image.new('L', (px*3, h)) - g = r.copy() - b = r.copy() - r.paste(w, (0, 0)) - r.paste(w90, (px, 0)) +def tuple_to_ints(tp): + x, y, z = tp + return int(x * 255.0), int(y * 255.0), int(z * 255.0) - g.paste(w90, (0, 0)) - g.paste(w, (2*px, 0)) - b.paste(w, (px, 0)) - b.paste(w90, (2*px, 0)) +def test_sanity(): + Image.new("HSV", (100, 100)) - img = Image.merge('RGB', (r, g, b)) - # print(("%d, %d -> "% (int(1.75*px),int(.25*px))) + \ - # "(%s, %s, %s)"%img.getpixel((1.75*px, .25*px))) - # print(("%d, %d -> "% (int(.75*px),int(.25*px))) + \ - # "(%s, %s, %s)"%img.getpixel((.75*px, .25*px))) - return img +def wedge(): + w = Image._wedge() + w90 = w.rotate(90) - def to_xxx_colorsys(self, im, func, mode): - # convert the hard way using the library colorsys routines. + (px, h) = w.size - (r, g, b) = im.split() + r = Image.new("L", (px * 3, h)) + g = r.copy() + b = r.copy() - if bytes is str: - conv_func = self.str_to_float - else: - conv_func = self.int_to_float + r.paste(w, (0, 0)) + r.paste(w90, (px, 0)) - if hasattr(itertools, 'izip'): - iter_helper = itertools.izip - else: - iter_helper = itertools.zip_longest + g.paste(w90, (0, 0)) + g.paste(w, (2 * px, 0)) - converted = [self.tuple_to_ints(func(conv_func(_r), conv_func(_g), - conv_func(_b))) - for (_r, _g, _b) in iter_helper(r.tobytes(), g.tobytes(), - b.tobytes())] + b.paste(w, (px, 0)) + b.paste(w90, (2 * px, 0)) - if str is bytes: - new_bytes = b''.join(chr(h)+chr(s)+chr(v) for ( - h, s, v) in converted) - else: - new_bytes = b''.join(bytes(chr(h)+chr(s)+chr(v), 'latin-1') for ( - h, s, v) in converted) + img = Image.merge("RGB", (r, g, b)) - hsv = Image.frombytes(mode, r.size, new_bytes) + return img - return hsv - def to_hsv_colorsys(self, im): - return self.to_xxx_colorsys(im, colorsys.rgb_to_hsv, 'HSV') +def to_xxx_colorsys(im, func, mode): + # convert the hard way using the library colorsys routines. - def to_rgb_colorsys(self, im): - return self.to_xxx_colorsys(im, colorsys.hsv_to_rgb, 'RGB') + (r, g, b) = im.split() - def test_wedge(self): - src = self.wedge().resize((3*32, 32), Image.BILINEAR) - im = src.convert('HSV') - comparable = self.to_hsv_colorsys(src) + conv_func = int_to_float - # print(im.getpixel((448, 64))) - # print(comparable.getpixel((448, 64))) + converted = [ + tuple_to_ints(func(conv_func(_r), conv_func(_g), conv_func(_b))) + for (_r, _g, _b) in itertools.zip_longest(r.tobytes(), g.tobytes(), b.tobytes()) + ] - # print(im.split()[0].histogram()) - # print(comparable.split()[0].histogram()) + new_bytes = b"".join( + bytes(chr(h) + chr(s) + chr(v), "latin-1") for (h, s, v) in converted + ) - # im.split()[0].show() - # comparable.split()[0].show() + hsv = Image.frombytes(mode, r.size, new_bytes) - self.assert_image_similar(im.getchannel(0), comparable.getchannel(0), - 1, "Hue conversion is wrong") - self.assert_image_similar(im.getchannel(1), comparable.getchannel(1), - 1, "Saturation conversion is wrong") - self.assert_image_similar(im.getchannel(2), comparable.getchannel(2), - 1, "Value conversion is wrong") + return hsv - # print(im.getpixel((192, 64))) - comparable = src - im = im.convert('RGB') +def to_hsv_colorsys(im): + return to_xxx_colorsys(im, colorsys.rgb_to_hsv, "HSV") - # im.split()[0].show() - # comparable.split()[0].show() - # print(im.getpixel((192, 64))) - # print(comparable.getpixel((192, 64))) - self.assert_image_similar(im.getchannel(0), comparable.getchannel(0), - 3, "R conversion is wrong") - self.assert_image_similar(im.getchannel(1), comparable.getchannel(1), - 3, "G conversion is wrong") - self.assert_image_similar(im.getchannel(2), comparable.getchannel(2), - 3, "B conversion is wrong") +def to_rgb_colorsys(im): + return to_xxx_colorsys(im, colorsys.hsv_to_rgb, "RGB") - def test_convert(self): - im = hopper('RGB').convert('HSV') - comparable = self.to_hsv_colorsys(hopper('RGB')) -# print([ord(x) for x in im.split()[0].tobytes()[:80]]) -# print([ord(x) for x in comparable.split()[0].tobytes()[:80]]) +def test_wedge(): + src = wedge().resize((3 * 32, 32), Image.BILINEAR) + im = src.convert("HSV") + comparable = to_hsv_colorsys(src) -# print(im.split()[0].histogram()) -# print(comparable.split()[0].histogram()) + assert_image_similar( + im.getchannel(0), comparable.getchannel(0), 1, "Hue conversion is wrong" + ) + assert_image_similar( + im.getchannel(1), + comparable.getchannel(1), + 1, + "Saturation conversion is wrong", + ) + assert_image_similar( + im.getchannel(2), comparable.getchannel(2), 1, "Value conversion is wrong" + ) - self.assert_image_similar(im.getchannel(0), comparable.getchannel(0), - 1, "Hue conversion is wrong") - self.assert_image_similar(im.getchannel(1), comparable.getchannel(1), - 1, "Saturation conversion is wrong") - self.assert_image_similar(im.getchannel(2), comparable.getchannel(2), - 1, "Value conversion is wrong") + comparable = src + im = im.convert("RGB") - def test_hsv_to_rgb(self): - comparable = self.to_hsv_colorsys(hopper('RGB')) - converted = comparable.convert('RGB') - comparable = self.to_rgb_colorsys(comparable) - - # print(converted.split()[1].histogram()) - # print(target.split()[1].histogram()) + assert_image_similar( + im.getchannel(0), comparable.getchannel(0), 3, "R conversion is wrong" + ) + assert_image_similar( + im.getchannel(1), comparable.getchannel(1), 3, "G conversion is wrong" + ) + assert_image_similar( + im.getchannel(2), comparable.getchannel(2), 3, "B conversion is wrong" + ) - # print([ord(x) for x in target.split()[1].tobytes()[:80]]) - # print([ord(x) for x in converted.split()[1].tobytes()[:80]]) - - self.assert_image_similar(converted.getchannel(0), - comparable.getchannel(0), - 3, "R conversion is wrong") - self.assert_image_similar(converted.getchannel(1), - comparable.getchannel(1), - 3, "G conversion is wrong") - self.assert_image_similar(converted.getchannel(2), - comparable.getchannel(2), - 3, "B conversion is wrong") +def test_convert(): + im = hopper("RGB").convert("HSV") + comparable = to_hsv_colorsys(hopper("RGB")) -if __name__ == '__main__': - unittest.main() + assert_image_similar( + im.getchannel(0), comparable.getchannel(0), 1, "Hue conversion is wrong" + ) + assert_image_similar( + im.getchannel(1), + comparable.getchannel(1), + 1, + "Saturation conversion is wrong", + ) + assert_image_similar( + im.getchannel(2), comparable.getchannel(2), 1, "Value conversion is wrong" + ) + + +def test_hsv_to_rgb(): + comparable = to_hsv_colorsys(hopper("RGB")) + converted = comparable.convert("RGB") + comparable = to_rgb_colorsys(comparable) + + assert_image_similar( + converted.getchannel(0), + comparable.getchannel(0), + 3, + "R conversion is wrong", + ) + assert_image_similar( + converted.getchannel(1), + comparable.getchannel(1), + 3, + "G conversion is wrong", + ) + assert_image_similar( + converted.getchannel(2), + comparable.getchannel(2), + 3, + "B conversion is wrong", + ) diff --git a/Tests/test_format_lab.py b/Tests/test_format_lab.py index a243afe626a..41c8efdf316 100644 --- a/Tests/test_format_lab.py +++ b/Tests/test_format_lab.py @@ -1,46 +1,38 @@ -from helper import unittest, PillowTestCase - from PIL import Image -class TestFormatLab(PillowTestCase): - - def test_white(self): - i = Image.open('Tests/images/lab.tif') - +def test_white(): + with Image.open("Tests/images/lab.tif") as i: i.load() - self.assertEqual(i.mode, 'LAB') + assert i.mode == "LAB" - self.assertEqual(i.getbands(), ('L', 'A', 'B')) + assert i.getbands() == ("L", "A", "B") k = i.getpixel((0, 0)) - self.assertEqual(k, (255, 128, 128)) L = i.getdata(0) a = i.getdata(1) b = i.getdata(2) - self.assertEqual(list(L), [255]*100) - self.assertEqual(list(a), [128]*100) - self.assertEqual(list(b), [128]*100) + assert k == (255, 128, 128) - def test_green(self): - # l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS - # == RGB: 0, 152, 117 - i = Image.open('Tests/images/lab-green.tif') + assert list(L) == [255] * 100 + assert list(a) == [128] * 100 + assert list(b) == [128] * 100 - k = i.getpixel((0, 0)) - self.assertEqual(k, (128, 28, 128)) - - def test_red(self): - # l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS - # == RGB: 255, 0, 124 - i = Image.open('Tests/images/lab-red.tif') +def test_green(): + # l= 50 (/100), a = -100 (-128 .. 128) b=0 in PS + # == RGB: 0, 152, 117 + with Image.open("Tests/images/lab-green.tif") as i: k = i.getpixel((0, 0)) - self.assertEqual(k, (128, 228, 128)) + assert k == (128, 28, 128) -if __name__ == '__main__': - unittest.main() +def test_red(): + # l= 50 (/100), a = 100 (-128 .. 128) b=0 in PS + # == RGB: 255, 0, 124 + with Image.open("Tests/images/lab-red.tif") as i: + k = i.getpixel((0, 0)) + assert k == (128, 228, 128) diff --git a/Tests/test_image.py b/Tests/test_image.py index 6f6d1983e39..4dde66f11a1 100644 --- a/Tests/test_image.py +++ b/Tests/test_image.py @@ -1,94 +1,166 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image +import io import os +import shutil +import sys +import tempfile + +import pytest + +from PIL import Image, ImageDraw, ImagePalette, UnidentifiedImageError +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + assert_not_all_same, + hopper, + is_win32, + mark_if_feature_version, + skip_unless_feature, +) -class TestImage(PillowTestCase): +class TestImage: def test_image_modes_success(self): for mode in [ - '1', 'P', 'PA', - 'L', 'LA', 'La', - 'F', 'I', 'I;16', 'I;16L', 'I;16B', 'I;16N', - 'RGB', 'RGBX', 'RGBA', 'RGBa', - 'CMYK', 'YCbCr', 'LAB', 'HSV', + "1", + "P", + "PA", + "L", + "LA", + "La", + "F", + "I", + "I;16", + "I;16L", + "I;16B", + "I;16N", + "RGB", + "RGBX", + "RGBA", + "RGBa", + "CMYK", + "YCbCr", + "LAB", + "HSV", ]: Image.new(mode, (1, 1)) def test_image_modes_fail(self): for mode in [ - '', 'bad', 'very very long', - 'BGR;15', 'BGR;16', 'BGR;24', 'BGR;32' + "", + "bad", + "very very long", + "BGR;15", + "BGR;16", + "BGR;24", + "BGR;32", ]: - with self.assertRaises(ValueError) as e: + with pytest.raises(ValueError) as e: Image.new(mode, (1, 1)) - self.assertEqual(str(e.exception), 'unrecognized image mode') + assert str(e.value) == "unrecognized image mode" + + def test_exception_inheritance(self): + assert issubclass(UnidentifiedImageError, OSError) def test_sanity(self): im = Image.new("L", (100, 100)) - self.assertEqual( - repr(im)[:45], "=3.5 for Windows") + assert px[i, 0] == 0 + + def test_p_putpixel_rgb_rgba(self): + for color in [(255, 0, 0), (255, 0, 0, 255)]: + im = Image.new("P", (1, 1), 0) + access = PyAccess.new(im, False) + access.putpixel((0, 0), color) + assert im.convert("RGB").getpixel((0, 0)) == (255, 0, 0) + + +class TestImagePutPixelError(AccessTest): + IMAGE_MODES1 = ["L", "LA", "RGB", "RGBA"] + IMAGE_MODES2 = ["I", "I;16", "BGR;15"] + INVALID_TYPES = ["foo", 1.0, None] + + @pytest.mark.parametrize("mode", IMAGE_MODES1) + def test_putpixel_type_error1(self, mode): + im = hopper(mode) + for v in self.INVALID_TYPES: + with pytest.raises(TypeError, match="color must be int or tuple"): + im.putpixel((0, 0), v) + + @pytest.mark.parametrize( + ("mode", "band_numbers", "match"), + ( + ("L", (0, 2), "color must be int or single-element tuple"), + ("LA", (0, 3), "color must be int, or tuple of one or two elements"), + ( + "RGB", + (0, 2, 5), + "color must be int, or tuple of one, three or four elements", + ), + ), + ) + def test_putpixel_invalid_number_of_bands(self, mode, band_numbers, match): + im = hopper(mode) + for band_number in band_numbers: + with pytest.raises(TypeError, match=match): + im.putpixel((0, 0), (0,) * band_number) + + @pytest.mark.parametrize("mode", IMAGE_MODES2) + def test_putpixel_type_error2(self, mode): + im = hopper(mode) + for v in self.INVALID_TYPES: + with pytest.raises( + TypeError, match="color must be int or single-element tuple" + ): + im.putpixel((0, 0), v) + + @pytest.mark.parametrize("mode", IMAGE_MODES1 + IMAGE_MODES2) + def test_putpixel_overflow_error(self, mode): + im = hopper(mode) + with pytest.raises(OverflowError): + im.putpixel((0, 0), 2 ** 80) + + def test_putpixel_unrecognized_mode(self): + im = hopper("BGR;15") + with pytest.raises(ValueError, match="unrecognized image mode"): + im.putpixel((0, 0), 0) + + +class TestEmbeddable: + @pytest.mark.skipif( + not is_win32() or on_ci(), + reason="Failing on AppVeyor / GitHub Actions when run from subprocess, " + "not from shell", + ) def test_embeddable(self): - import subprocess - import ctypes - import setuptools - from distutils import ccompiler, sysconfig - - with open('embed_pil.c', 'w') as fh: - fh.write(""" + with open("embed_pil.c", "w") as fh: + fh.write( + """ #include "Python.h" int main(int argc, char* argv[]) { char *home = "%s"; -#if PY_MAJOR_VERSION >= 3 wchar_t *whome = Py_DecodeLocale(home, NULL); Py_SetPythonHome(whome); -#else - Py_SetPythonHome(home); -#endif Py_InitializeEx(0); Py_DECREF(PyImport_ImportModule("PIL.Image")); @@ -283,32 +420,30 @@ def test_embeddable(self): Py_DECREF(PyImport_ImportModule("PIL.Image")); Py_Finalize(); -#if PY_MAJOR_VERSION >= 3 PyMem_RawFree(whome); -#endif return 0; } - """ % sys.prefix.replace('\\', '\\\\')) + """ + % sys.prefix.replace("\\", "\\\\") + ) - compiler = ccompiler.new_compiler() - compiler.add_include_dir(sysconfig.get_python_inc()) + compiler = new_compiler() + compiler.add_include_dir(sysconfig.get_config_var("INCLUDEPY")) - libdir = sysconfig.get_config_var('LIBDIR') or sysconfig.get_python_inc().replace('include', 'libs') - print (libdir) + libdir = sysconfig.get_config_var("LIBDIR") or sysconfig.get_config_var( + "INCLUDEPY" + ).replace("include", "libs") compiler.add_library_dir(libdir) - objects = compiler.compile(['embed_pil.c']) - compiler.link_executable(objects, 'embed_pil') + objects = compiler.compile(["embed_pil.c"]) + compiler.link_executable(objects, "embed_pil") env = os.environ.copy() - env["PATH"] = sys.prefix + ';' + env["PATH"] + env["PATH"] = sys.prefix + ";" + env["PATH"] # do not display the Windows Error Reporting dialog ctypes.windll.kernel32.SetErrorMode(0x0002) - process = subprocess.Popen(['embed_pil.exe'], env=env) + process = subprocess.Popen(["embed_pil.exe"], env=env) process.communicate() - self.assertEqual(process.returncode, 0) - -if __name__ == '__main__': - unittest.main() + assert process.returncode == 0 diff --git a/Tests/test_image_array.py b/Tests/test_image_array.py index 11c2648bbc3..5c9cdd7e0e0 100644 --- a/Tests/test_image_array.py +++ b/Tests/test_image_array.py @@ -1,59 +1,82 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import hopper + +numpy = pytest.importorskip("numpy", reason="NumPy not installed") + im = hopper().resize((128, 100)) -class TestImageArray(PillowTestCase): +def test_toarray(): + def test(mode): + ai = numpy.array(im.convert(mode)) + return ai.shape, ai.dtype.str, ai.nbytes + + def test_with_dtype(dtype): + ai = numpy.array(im, dtype=dtype) + assert ai.dtype == dtype + + # assert test("1") == ((100, 128), '|b1', 1600)) + assert test("L") == ((100, 128), "|u1", 12800) - def test_toarray(self): - def test(mode): - ai = im.convert(mode).__array_interface__ - return ai['version'], ai["shape"], ai["typestr"], len(ai["data"]) - # self.assertEqual(test("1"), (3, (100, 128), '|b1', 1600)) - self.assertEqual(test("L"), (3, (100, 128), '|u1', 12800)) + # FIXME: wrong? + assert test("I") == ((100, 128), Image._ENDIAN + "i4", 51200) + # FIXME: wrong? + assert test("F") == ((100, 128), Image._ENDIAN + "f4", 51200) - # FIXME: wrong? - self.assertEqual(test("I"), (3, (100, 128), Image._ENDIAN + 'i4', 51200)) - # FIXME: wrong? - self.assertEqual(test("F"), (3, (100, 128), Image._ENDIAN + 'f4', 51200)) + assert test("LA") == ((100, 128, 2), "|u1", 25600) + assert test("RGB") == ((100, 128, 3), "|u1", 38400) + assert test("RGBA") == ((100, 128, 4), "|u1", 51200) + assert test("RGBX") == ((100, 128, 4), "|u1", 51200) - self.assertEqual(test("LA"), (3, (100, 128, 2), '|u1', 25600)) - self.assertEqual(test("RGB"), (3, (100, 128, 3), '|u1', 38400)) - self.assertEqual(test("RGBA"), (3, (100, 128, 4), '|u1', 51200)) - self.assertEqual(test("RGBX"), (3, (100, 128, 4), '|u1', 51200)) + test_with_dtype(numpy.float64) + test_with_dtype(numpy.uint8) - def test_fromarray(self): + with Image.open("Tests/images/truncated_jpeg.jpg") as im_truncated: + with pytest.raises(OSError): + numpy.array(im_truncated) - class Wrapper(object): - """ Class with API matching Image.fromarray """ - def __init__(self, img, arr_params): - self.img = img - self.__array_interface__ = arr_params +def test_fromarray(): + class Wrapper: + """Class with API matching Image.fromarray""" - def tobytes(self): - return self.img.tobytes() + def __init__(self, img, arr_params): + self.img = img + self.__array_interface__ = arr_params - def test(mode): - i = im.convert(mode) - a = i.__array_interface__ - a["strides"] = 1 # pretend it's non-contiguous - # Make wrapper instance for image, new array interface - wrapped = Wrapper(i, a) - out = Image.fromarray(wrapped) - return out.mode, out.size, list(i.getdata()) == list(out.getdata()) + def tobytes(self): + return self.img.tobytes() - # self.assertEqual(test("1"), ("1", (128, 100), True)) - self.assertEqual(test("L"), ("L", (128, 100), True)) - self.assertEqual(test("I"), ("I", (128, 100), True)) - self.assertEqual(test("F"), ("F", (128, 100), True)) - self.assertEqual(test("LA"), ("LA", (128, 100), True)) - self.assertEqual(test("RGB"), ("RGB", (128, 100), True)) - self.assertEqual(test("RGBA"), ("RGBA", (128, 100), True)) - self.assertEqual(test("RGBX"), ("RGBA", (128, 100), True)) + def test(mode): + i = im.convert(mode) + a = numpy.array(i) + # Make wrapper instance for image, new array interface + wrapped = Wrapper( + i, + { + "shape": a.shape, + "typestr": a.dtype.str, + "version": 3, + "data": a.data, + "strides": 1, # pretend it's non-contiguous + }, + ) + out = Image.fromarray(wrapped) + return out.mode, out.size, list(i.getdata()) == list(out.getdata()) + # assert test("1") == ("1", (128, 100), True) + assert test("L") == ("L", (128, 100), True) + assert test("I") == ("I", (128, 100), True) + assert test("F") == ("F", (128, 100), True) + assert test("LA") == ("LA", (128, 100), True) + assert test("RGB") == ("RGB", (128, 100), True) + assert test("RGBA") == ("RGBA", (128, 100), True) + assert test("RGBX") == ("RGBA", (128, 100), True) -if __name__ == '__main__': - unittest.main() + # Test mode is None with no "typestr" in the array interface + with pytest.raises(TypeError): + wrapped = Wrapper(test("L"), {"shape": (100, 128)}) + Image.fromarray(wrapped) diff --git a/Tests/test_image_convert.py b/Tests/test_image_convert.py index 9fd0463d475..a5a95e96255 100644 --- a/Tests/test_image_convert.py +++ b/Tests/test_image_convert.py @@ -1,219 +1,290 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import assert_image, assert_image_equal, assert_image_similar, hopper + + +def test_sanity(): + def convert(im, mode): + out = im.convert(mode) + assert out.mode == mode + assert out.size == im.size + + modes = ( + "1", + "L", + "LA", + "P", + "PA", + "I", + "F", + "RGB", + "RGBA", + "RGBX", + "CMYK", + "YCbCr", + "HSV", + ) + + for mode in modes: + im = hopper(mode) + for mode in modes: + convert(im, mode) -class TestImageConvert(PillowTestCase): + # Check 0 + im = Image.new(mode, (0, 0)) + for mode in modes: + convert(im, mode) - def test_sanity(self): - def convert(im, mode): - out = im.convert(mode) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) +def test_default(): - modes = "1", "L", "I", "F", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr" + im = hopper("P") + assert im.mode == "P" + converted_im = im.convert() + assert_image(converted_im, "RGB", im.size) + converted_im = im.convert() + assert_image(converted_im, "RGB", im.size) - for mode in modes: - im = hopper(mode) - for mode in modes: - convert(im, mode) + im.info["transparency"] = 0 + converted_im = im.convert() + assert_image(converted_im, "RGBA", im.size) - # Check 0 - im = Image.new(mode, (0, 0)) - for mode in modes: - convert(im, mode) - def test_default(self): +# ref https://github.com/python-pillow/Pillow/issues/274 - im = hopper("P") - self.assert_image(im, "P", im.size) - im = im.convert() - self.assert_image(im, "RGB", im.size) - im = im.convert() - self.assert_image(im, "RGB", im.size) - # ref https://github.com/python-pillow/Pillow/issues/274 +def _test_float_conversion(im): + orig = im.getpixel((5, 5)) + converted = im.convert("F").getpixel((5, 5)) + assert orig == converted - def _test_float_conversion(self, im): - orig = im.getpixel((5, 5)) - converted = im.convert('F').getpixel((5, 5)) - self.assertEqual(orig, converted) - def test_8bit(self): - im = Image.open('Tests/images/hopper.jpg') - self._test_float_conversion(im.convert('L')) +def test_8bit(): + with Image.open("Tests/images/hopper.jpg") as im: + _test_float_conversion(im.convert("L")) - def test_16bit(self): - im = Image.open('Tests/images/16bit.cropped.tif') - self._test_float_conversion(im) - def test_16bit_workaround(self): - im = Image.open('Tests/images/16bit.cropped.tif') - self._test_float_conversion(im.convert('I')) +def test_16bit(): + with Image.open("Tests/images/16bit.cropped.tif") as im: + _test_float_conversion(im) - def test_rgba_p(self): - im = hopper('RGBA') - im.putalpha(hopper('L')) - converted = im.convert('P') - comparable = converted.convert('RGBA') +def test_16bit_workaround(): + with Image.open("Tests/images/16bit.cropped.tif") as im: + _test_float_conversion(im.convert("I")) - self.assert_image_similar(im, comparable, 20) - def test_trns_p(self): - im = hopper('P') - im.info['transparency'] = 0 +def test_rgba_p(): + im = hopper("RGBA") + im.putalpha(hopper("L")) - f = self.tempfile('temp.png') + converted = im.convert("P") + comparable = converted.convert("RGBA") - l = im.convert('L') - self.assertEqual(l.info['transparency'], 0) # undone - l.save(f) + assert_image_similar(im, comparable, 20) - rgb = im.convert('RGB') - self.assertEqual(rgb.info['transparency'], (0, 0, 0)) # undone - rgb.save(f) - # ref https://github.com/python-pillow/Pillow/issues/664 +def test_trns_p(tmp_path): + im = hopper("P") + im.info["transparency"] = 0 - def test_trns_p_rgba(self): - # Arrange - im = hopper('P') - im.info['transparency'] = 128 + f = str(tmp_path / "temp.png") - # Act - rgba = im.convert('RGBA') + im_l = im.convert("L") + assert im_l.info["transparency"] == 1 # undone + im_l.save(f) - # Assert - self.assertNotIn('transparency', rgba.info) + im_rgb = im.convert("RGB") + assert im_rgb.info["transparency"] == (0, 1, 2) # undone + im_rgb.save(f) + + +# ref https://github.com/python-pillow/Pillow/issues/664 + + +@pytest.mark.parametrize("mode", ("LA", "PA", "RGBA")) +def test_trns_p_transparency(mode): + # Arrange + im = hopper("P") + im.info["transparency"] = 128 + + # Act + converted_im = im.convert(mode) + + # Assert + assert "transparency" not in converted_im.info + if mode == "PA": + assert converted_im.palette is not None + else: # https://github.com/python-pillow/Pillow/issues/2702 - self.assertEqual(rgba.palette, None) - + assert converted_im.palette is None - def test_trns_l(self): - im = hopper('L') - im.info['transparency'] = 128 - f = self.tempfile('temp.png') +def test_trns_l(tmp_path): + im = hopper("L") + im.info["transparency"] = 128 - rgb = im.convert('RGB') - self.assertEqual(rgb.info['transparency'], (128, 128, 128)) # undone - rgb.save(f) + f = str(tmp_path / "temp.png") - p = im.convert('P') - self.assertIn('transparency', p.info) - p.save(f) + im_rgb = im.convert("RGB") + assert im_rgb.info["transparency"] == (128, 128, 128) # undone + im_rgb.save(f) - p = self.assert_warning( - UserWarning, - im.convert, 'P', palette=Image.ADAPTIVE) - self.assertNotIn('transparency', p.info) - p.save(f) + im_p = im.convert("P") + assert "transparency" in im_p.info + im_p.save(f) - def test_trns_RGB(self): - im = hopper('RGB') - im.info['transparency'] = im.getpixel((0, 0)) + im_p = im.convert("P", palette=Image.ADAPTIVE) + assert "transparency" in im_p.info + im_p.save(f) - f = self.tempfile('temp.png') - l = im.convert('L') - self.assertEqual(l.info['transparency'], l.getpixel((0, 0))) # undone - l.save(f) +def test_trns_RGB(tmp_path): + im = hopper("RGB") + im.info["transparency"] = im.getpixel((0, 0)) - p = im.convert('P') - self.assertIn('transparency', p.info) - p.save(f) + f = str(tmp_path / "temp.png") - p = im.convert('RGBA') - self.assertNotIn('transparency', p.info) - p.save(f) + im_l = im.convert("L") + assert im_l.info["transparency"] == im_l.getpixel((0, 0)) # undone + im_l.save(f) - p = self.assert_warning( - UserWarning, - im.convert, 'P', palette=Image.ADAPTIVE) - self.assertNotIn('transparency', p.info) - p.save(f) + im_p = im.convert("P") + assert "transparency" in im_p.info + im_p.save(f) - def test_p_la(self): - im = hopper('RGBA') - alpha = hopper('L') - im.putalpha(alpha) + im_rgba = im.convert("RGBA") + assert "transparency" not in im_rgba.info + im_rgba.save(f) - comparable = im.convert('P').convert('LA').getchannel('A') + im_p = pytest.warns(UserWarning, im.convert, "P", palette=Image.ADAPTIVE) + assert "transparency" not in im_p.info + im_p.save(f) - self.assert_image_similar(alpha, comparable, 5) + im = Image.new("RGB", (1, 1)) + im.info["transparency"] = im.getpixel((0, 0)) + im_p = im.convert("P", palette=Image.ADAPTIVE) + assert im_p.info["transparency"] == im_p.getpixel((0, 0)) + im_p.save(f) + + +@pytest.mark.parametrize("convert_mode", ("L", "LA", "I")) +def test_l_macro_rounding(convert_mode): + for mode in ("P", "PA"): + im = Image.new(mode, (1, 1)) + im.palette.getcolor((0, 1, 2)) + + converted_im = im.convert(convert_mode) + px = converted_im.load() + converted_color = px[0, 0] + if convert_mode == "LA": + converted_color = converted_color[0] + assert converted_color == 1 - def test_matrix_illegal_conversion(self): - # Arrange - im = hopper('CMYK') - matrix = ( - 0.412453, 0.357580, 0.180423, 0, - 0.212671, 0.715160, 0.072169, 0, - 0.019334, 0.119193, 0.950227, 0) - self.assertNotEqual(im.mode, 'RGB') - # Act / Assert - self.assertRaises(ValueError, - im.convert, mode='CMYK', matrix=matrix) +def test_gif_with_rgba_palette_to_p(): + # See https://github.com/python-pillow/Pillow/issues/2433 + with Image.open("Tests/images/hopper.gif") as im: + im.info["transparency"] = 255 + im.load() + assert im.palette.mode == "RGB" + im_p = im.convert("P") - def test_matrix_wrong_mode(self): + # Should not raise ValueError: unrecognized raw mode + im_p.load() + + +def test_p_la(): + im = hopper("RGBA") + alpha = hopper("L") + im.putalpha(alpha) + + comparable = im.convert("P").convert("LA").getchannel("A") + + assert_image_similar(alpha, comparable, 5) + + +def test_matrix_illegal_conversion(): + # Arrange + im = hopper("CMYK") + # fmt: off + matrix = ( + 0.412453, 0.357580, 0.180423, 0, + 0.212671, 0.715160, 0.072169, 0, + 0.019334, 0.119193, 0.950227, 0) + # fmt: on + assert im.mode != "RGB" + + # Act / Assert + with pytest.raises(ValueError): + im.convert(mode="CMYK", matrix=matrix) + + +def test_matrix_wrong_mode(): + # Arrange + im = hopper("L") + # fmt: off + matrix = ( + 0.412453, 0.357580, 0.180423, 0, + 0.212671, 0.715160, 0.072169, 0, + 0.019334, 0.119193, 0.950227, 0) + # fmt: on + assert im.mode == "L" + + # Act / Assert + with pytest.raises(ValueError): + im.convert(mode="L", matrix=matrix) + + +def test_matrix_xyz(): + def matrix_convert(mode): # Arrange - im = hopper('L') + im = hopper("RGB") + im.info["transparency"] = (255, 0, 0) + # fmt: off matrix = ( 0.412453, 0.357580, 0.180423, 0, 0.212671, 0.715160, 0.072169, 0, 0.019334, 0.119193, 0.950227, 0) - self.assertEqual(im.mode, 'L') - - # Act / Assert - self.assertRaises(ValueError, - im.convert, mode='L', matrix=matrix) - - def test_matrix_xyz(self): - - def matrix_convert(mode): - # Arrange - im = hopper('RGB') - matrix = ( - 0.412453, 0.357580, 0.180423, 0, - 0.212671, 0.715160, 0.072169, 0, - 0.019334, 0.119193, 0.950227, 0) - self.assertEqual(im.mode, 'RGB') - - # Act - # Convert an RGB image to the CIE XYZ colour space - converted_im = im.convert(mode=mode, matrix=matrix) - - # Assert - self.assertEqual(converted_im.mode, mode) - self.assertEqual(converted_im.size, im.size) - target = Image.open('Tests/images/hopper-XYZ.png') - if converted_im.mode == 'RGB': - self.assert_image_similar(converted_im, target, 3) - else: - self.assert_image_similar(converted_im, target.getchannel(0), 1) - - matrix_convert('RGB') - matrix_convert('L') - - def test_matrix_identity(self): - # Arrange - im = hopper('RGB') - identity_matrix = ( - 1, 0, 0, 0, - 0, 1, 0, 0, - 0, 0, 1, 0) - self.assertEqual(im.mode, 'RGB') + # fmt: on + assert im.mode == "RGB" # Act - # Convert with an identity matrix - converted_im = im.convert(mode='RGB', matrix=identity_matrix) + # Convert an RGB image to the CIE XYZ colour space + converted_im = im.convert(mode=mode, matrix=matrix) # Assert - # No change - self.assert_image_equal(converted_im, im) - - -if __name__ == '__main__': - unittest.main() + assert converted_im.mode == mode + assert converted_im.size == im.size + with Image.open("Tests/images/hopper-XYZ.png") as target: + if converted_im.mode == "RGB": + assert_image_similar(converted_im, target, 3) + assert converted_im.info["transparency"] == (105, 54, 4) + else: + assert_image_similar(converted_im, target.getchannel(0), 1) + assert converted_im.info["transparency"] == 105 + + matrix_convert("RGB") + matrix_convert("L") + + +def test_matrix_identity(): + # Arrange + im = hopper("RGB") + # fmt: off + identity_matrix = ( + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0) + # fmt: on + assert im.mode == "RGB" + + # Act + # Convert with an identity matrix + converted_im = im.convert(mode="RGB", matrix=identity_matrix) + + # Assert + # No change + assert_image_equal(converted_im, im) diff --git a/Tests/test_image_copy.py b/Tests/test_image_copy.py index bb1246a73f6..ad0391dbe5e 100644 --- a/Tests/test_image_copy.py +++ b/Tests/test_image_copy.py @@ -1,46 +1,41 @@ -from helper import unittest, PillowTestCase, hopper +import copy from PIL import Image -import copy +from .helper import hopper -class TestImageCopy(PillowTestCase): - - def test_copy(self): - croppedCoordinates = (10, 10, 20, 20) - croppedSize = (10, 10) - for mode in "1", "P", "L", "RGB", "I", "F": - # Internal copy method - im = hopper(mode) - out = im.copy() - self.assertEqual(out.mode, im.mode) - self.assertEqual(out.size, im.size) - - # Python's copy method - im = hopper(mode) - out = copy.copy(im) - self.assertEqual(out.mode, im.mode) - self.assertEqual(out.size, im.size) - - # Internal copy method on a cropped image - im = hopper(mode) - out = im.crop(croppedCoordinates).copy() - self.assertEqual(out.mode, im.mode) - self.assertEqual(out.size, croppedSize) - - # Python's copy method on a cropped image - im = hopper(mode) - out = copy.copy(im.crop(croppedCoordinates)) - self.assertEqual(out.mode, im.mode) - self.assertEqual(out.size, croppedSize) - - def test_copy_zero(self): - im = Image.new('RGB', (0, 0)) +def test_copy(): + croppedCoordinates = (10, 10, 20, 20) + croppedSize = (10, 10) + for mode in "1", "P", "L", "RGB", "I", "F": + # Internal copy method + im = hopper(mode) out = im.copy() - self.assertEqual(out.mode, im.mode) - self.assertEqual(out.size, im.size) - - -if __name__ == '__main__': - unittest.main() + assert out.mode == im.mode + assert out.size == im.size + + # Python's copy method + im = hopper(mode) + out = copy.copy(im) + assert out.mode == im.mode + assert out.size == im.size + + # Internal copy method on a cropped image + im = hopper(mode) + out = im.crop(croppedCoordinates).copy() + assert out.mode == im.mode + assert out.size == croppedSize + + # Python's copy method on a cropped image + im = hopper(mode) + out = copy.copy(im.crop(croppedCoordinates)) + assert out.mode == im.mode + assert out.size == croppedSize + + +def test_copy_zero(): + im = Image.new("RGB", (0, 0)) + out = im.copy() + assert out.mode == im.mode + assert out.size == im.size diff --git a/Tests/test_image_crop.py b/Tests/test_image_crop.py index fe92dd865f0..e2228758c09 100644 --- a/Tests/test_image_crop.py +++ b/Tests/test_image_crop.py @@ -1,108 +1,110 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import assert_image_equal, hopper -class TestImageCrop(PillowTestCase): - def test_crop(self): - def crop(mode): - im = hopper(mode) - self.assert_image_equal(im.crop(), im) +def test_crop(): + def crop(mode): + im = hopper(mode) + assert_image_equal(im.crop(), im) - cropped = im.crop((50, 50, 100, 100)) - self.assertEqual(cropped.mode, mode) - self.assertEqual(cropped.size, (50, 50)) - for mode in "1", "P", "L", "RGB", "I", "F": - crop(mode) + cropped = im.crop((50, 50, 100, 100)) + assert cropped.mode == mode + assert cropped.size == (50, 50) - def test_wide_crop(self): + for mode in "1", "P", "L", "RGB", "I", "F": + crop(mode) - def crop(*bbox): - i = im.crop(bbox) - h = i.histogram() - while h and not h[-1]: - del h[-1] - return tuple(h) - im = Image.new("L", (100, 100), 1) +def test_wide_crop(): + def crop(*bbox): + i = im.crop(bbox) + h = i.histogram() + while h and not h[-1]: + del h[-1] + return tuple(h) - self.assertEqual(crop(0, 0, 100, 100), (0, 10000)) - self.assertEqual(crop(25, 25, 75, 75), (0, 2500)) + im = Image.new("L", (100, 100), 1) - # sides - self.assertEqual(crop(-25, 0, 25, 50), (1250, 1250)) - self.assertEqual(crop(0, -25, 50, 25), (1250, 1250)) - self.assertEqual(crop(75, 0, 125, 50), (1250, 1250)) - self.assertEqual(crop(0, 75, 50, 125), (1250, 1250)) + assert crop(0, 0, 100, 100) == (0, 10000) + assert crop(25, 25, 75, 75) == (0, 2500) - self.assertEqual(crop(-25, 25, 125, 75), (2500, 5000)) - self.assertEqual(crop(25, -25, 75, 125), (2500, 5000)) + # sides + assert crop(-25, 0, 25, 50) == (1250, 1250) + assert crop(0, -25, 50, 25) == (1250, 1250) + assert crop(75, 0, 125, 50) == (1250, 1250) + assert crop(0, 75, 50, 125) == (1250, 1250) - # corners - self.assertEqual(crop(-25, -25, 25, 25), (1875, 625)) - self.assertEqual(crop(75, -25, 125, 25), (1875, 625)) - self.assertEqual(crop(75, 75, 125, 125), (1875, 625)) - self.assertEqual(crop(-25, 75, 25, 125), (1875, 625)) + assert crop(-25, 25, 125, 75) == (2500, 5000) + assert crop(25, -25, 75, 125) == (2500, 5000) - def test_negative_crop(self): - # Check negative crop size (@PIL171) + # corners + assert crop(-25, -25, 25, 25) == (1875, 625) + assert crop(75, -25, 125, 25) == (1875, 625) + assert crop(75, 75, 125, 125) == (1875, 625) + assert crop(-25, 75, 25, 125) == (1875, 625) - im = Image.new("L", (512, 512)) - im = im.crop((400, 400, 200, 200)) - self.assertEqual(im.size, (0, 0)) - self.assertEqual(len(im.getdata()), 0) - self.assertRaises(IndexError, lambda: im.getdata()[0]) +def test_negative_crop(): + # Check negative crop size (@PIL171) - def test_crop_float(self): - # Check cropping floats are rounded to nearest integer - # https://github.com/python-pillow/Pillow/issues/1744 + im = Image.new("L", (512, 512)) + im = im.crop((400, 400, 200, 200)) - # Arrange - im = Image.new("RGB", (10, 10)) - self.assertEqual(im.size, (10, 10)) + assert im.size == (0, 0) + assert len(im.getdata()) == 0 + with pytest.raises(IndexError): + im.getdata()[0] - # Act - cropped = im.crop((0.9, 1.1, 4.2, 5.8)) - # Assert - self.assertEqual(cropped.size, (3, 5)) +def test_crop_float(): + # Check cropping floats are rounded to nearest integer + # https://github.com/python-pillow/Pillow/issues/1744 - def test_crop_crash(self): - # Image.crop crashes prepatch with an access violation - # apparently a use after free on windows, see - # https://github.com/python-pillow/Pillow/issues/1077 + # Arrange + im = Image.new("RGB", (10, 10)) + assert im.size == (10, 10) - test_img = 'Tests/images/bmp/g/pal8-0.bmp' - extents = (1, 1, 10, 10) - # works prepatch - img = Image.open(test_img) + # Act + cropped = im.crop((0.9, 1.1, 4.2, 5.8)) + + # Assert + assert cropped.size == (3, 5) + + +def test_crop_crash(): + # Image.crop crashes prepatch with an access violation + # apparently a use after free on Windows, see + # https://github.com/python-pillow/Pillow/issues/1077 + + test_img = "Tests/images/bmp/g/pal8-0.bmp" + extents = (1, 1, 10, 10) + # works prepatch + with Image.open(test_img) as img: img2 = img.crop(extents) - img2.load() + img2.load() - # fail prepatch - img = Image.open(test_img) + # fail prepatch + with Image.open(test_img) as img: img = img.crop(extents) - img.load() - - def test_crop_zero(self): + img.load() - im = Image.new('RGB', (0, 0), 'white') - cropped = im.crop((0, 0, 0, 0)) - self.assertEqual(cropped.size, (0, 0)) +def test_crop_zero(): - cropped = im.crop((10, 10, 20, 20)) - self.assertEqual(cropped.size, (10, 10)) - self.assertEqual(cropped.getdata()[0], (0, 0, 0)) + im = Image.new("RGB", (0, 0), "white") - im = Image.new('RGB', (0, 0)) + cropped = im.crop((0, 0, 0, 0)) + assert cropped.size == (0, 0) - cropped = im.crop((10, 10, 20, 20)) - self.assertEqual(cropped.size, (10, 10)) - self.assertEqual(cropped.getdata()[2], (0, 0, 0)) + cropped = im.crop((10, 10, 20, 20)) + assert cropped.size == (10, 10) + assert cropped.getdata()[0] == (0, 0, 0) + im = Image.new("RGB", (0, 0)) -if __name__ == '__main__': - unittest.main() + cropped = im.crop((10, 10, 20, 20)) + assert cropped.size == (10, 10) + assert cropped.getdata()[2] == (0, 0, 0) diff --git a/Tests/test_image_draft.py b/Tests/test_image_draft.py index 12f5e0e9f38..8b4b447688f 100644 --- a/Tests/test_image_draft.py +++ b/Tests/test_image_draft.py @@ -1,74 +1,72 @@ -from helper import unittest, PillowTestCase, fromstring, tostring - from PIL import Image +from .helper import fromstring, skip_unless_feature, tostring -class TestImageDraft(PillowTestCase): - def setUp(self): - codecs = dir(Image.core) - if "jpeg_encoder" not in codecs or "jpeg_decoder" not in codecs: - self.skipTest("jpeg support not available") +pytestmark = skip_unless_feature("jpg") - def draft_roundtrip(self, in_mode, in_size, req_mode, req_size): - im = Image.new(in_mode, in_size) - data = tostring(im, 'JPEG') - im = fromstring(data) - im.draft(req_mode, req_size) - return im - def test_size(self): - for in_size, req_size, out_size in [ - ((435, 361), (2048, 2048), (435, 361)), # bigger - ((435, 361), (435, 361), (435, 361)), # same - ((128, 128), (64, 64), (64, 64)), - ((128, 128), (32, 32), (32, 32)), - ((128, 128), (16, 16), (16, 16)), +def draft_roundtrip(in_mode, in_size, req_mode, req_size): + im = Image.new(in_mode, in_size) + data = tostring(im, "JPEG") + im = fromstring(data) + mode, box = im.draft(req_mode, req_size) + scale, _ = im.decoderconfig + assert box[:2] == (0, 0) + assert (im.width - scale) < box[2] <= im.width + assert (im.height - scale) < box[3] <= im.height + return im - # large requested width - ((435, 361), (218, 128), (435, 361)), # almost 2x - ((435, 361), (217, 128), (218, 181)), # more than 2x - ((435, 361), (109, 64), (218, 181)), # almost 4x - ((435, 361), (108, 64), (109, 91)), # more than 4x - ((435, 361), (55, 32), (109, 91)), # almost 8x - ((435, 361), (54, 32), (55, 46)), # more than 8x - ((435, 361), (27, 16), (55, 46)), # more than 16x - # and vice versa - ((435, 361), (128, 181), (435, 361)), # almost 2x - ((435, 361), (128, 180), (218, 181)), # more than 2x - ((435, 361), (64, 91), (218, 181)), # almost 4x - ((435, 361), (64, 90), (109, 91)), # more than 4x - ((435, 361), (32, 46), (109, 91)), # almost 8x - ((435, 361), (32, 45), (55, 46)), # more than 8x - ((435, 361), (16, 22), (55, 46)), # more than 16x - ]: - im = self.draft_roundtrip('L', in_size, None, req_size) - im.load() - self.assertEqual(im.size, out_size) +def test_size(): + for in_size, req_size, out_size in [ + ((435, 361), (2048, 2048), (435, 361)), # bigger + ((435, 361), (435, 361), (435, 361)), # same + ((128, 128), (64, 64), (64, 64)), + ((128, 128), (32, 32), (32, 32)), + ((128, 128), (16, 16), (16, 16)), + # large requested width + ((435, 361), (218, 128), (435, 361)), # almost 2x + ((435, 361), (217, 128), (218, 181)), # more than 2x + ((435, 361), (109, 64), (218, 181)), # almost 4x + ((435, 361), (108, 64), (109, 91)), # more than 4x + ((435, 361), (55, 32), (109, 91)), # almost 8x + ((435, 361), (54, 32), (55, 46)), # more than 8x + ((435, 361), (27, 16), (55, 46)), # more than 16x + # and vice versa + ((435, 361), (128, 181), (435, 361)), # almost 2x + ((435, 361), (128, 180), (218, 181)), # more than 2x + ((435, 361), (64, 91), (218, 181)), # almost 4x + ((435, 361), (64, 90), (109, 91)), # more than 4x + ((435, 361), (32, 46), (109, 91)), # almost 8x + ((435, 361), (32, 45), (55, 46)), # more than 8x + ((435, 361), (16, 22), (55, 46)), # more than 16x + ]: + im = draft_roundtrip("L", in_size, None, req_size) + im.load() + assert im.size == out_size - def test_mode(self): - for in_mode, req_mode, out_mode in [ - ("RGB", "1", "RGB"), - ("RGB", "L", "L"), - ("RGB", "RGB", "RGB"), - ("RGB", "YCbCr", "YCbCr"), - ("L", "1", "L"), - ("L", "L", "L"), - ("L", "RGB", "L"), - ("L", "YCbCr", "L"), - ("CMYK", "1", "CMYK"), - ("CMYK", "L", "CMYK"), - ("CMYK", "RGB", "CMYK"), - ("CMYK", "YCbCr", "CMYK"), - ]: - im = self.draft_roundtrip(in_mode, (64, 64), req_mode, None) - im.load() - self.assertEqual(im.mode, out_mode) - def test_several_drafts(self): - im = self.draft_roundtrip('L', (128, 128), None, (64, 64)) - im.draft(None, (64, 64)) +def test_mode(): + for in_mode, req_mode, out_mode in [ + ("RGB", "1", "RGB"), + ("RGB", "L", "L"), + ("RGB", "RGB", "RGB"), + ("RGB", "YCbCr", "YCbCr"), + ("L", "1", "L"), + ("L", "L", "L"), + ("L", "RGB", "L"), + ("L", "YCbCr", "L"), + ("CMYK", "1", "CMYK"), + ("CMYK", "L", "CMYK"), + ("CMYK", "RGB", "CMYK"), + ("CMYK", "YCbCr", "CMYK"), + ]: + im = draft_roundtrip(in_mode, (64, 64), req_mode, None) im.load() + assert im.mode == out_mode + -if __name__ == '__main__': - unittest.main() +def test_several_drafts(): + im = draft_roundtrip("L", (128, 128), None, (64, 64)) + im.draft(None, (64, 64)) + im.load() diff --git a/Tests/test_image_entropy.py b/Tests/test_image_entropy.py new file mode 100644 index 00000000000..876d676fe39 --- /dev/null +++ b/Tests/test_image_entropy.py @@ -0,0 +1,16 @@ +from .helper import hopper + + +def test_entropy(): + def entropy(mode): + return hopper(mode).entropy() + + assert round(abs(entropy("1") - 0.9138803254693582), 7) == 0 + assert round(abs(entropy("L") - 7.063008716585465), 7) == 0 + assert round(abs(entropy("I") - 7.063008716585465), 7) == 0 + assert round(abs(entropy("F") - 7.063008716585465), 7) == 0 + assert round(abs(entropy("P") - 5.0530452472519745), 7) == 0 + assert round(abs(entropy("RGB") - 8.821286587714319), 7) == 0 + assert round(abs(entropy("RGBA") - 7.42724306524488), 7) == 0 + assert round(abs(entropy("CMYK") - 7.4272430652448795), 7) == 0 + assert round(abs(entropy("YCbCr") - 7.698360534903628), 7) == 0 diff --git a/Tests/test_image_filter.py b/Tests/test_image_filter.py index 3636a73f77a..df8c353f391 100644 --- a/Tests/test_image_filter.py +++ b/Tests/test_image_filter.py @@ -1,133 +1,156 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, ImageFilter - -class TestImageFilter(PillowTestCase): - - def test_sanity(self): - - def filter(filter): - for mode in ["L", "RGB", "CMYK"]: - im = hopper(mode) - out = im.filter(filter) - self.assertEqual(out.mode, im.mode) - self.assertEqual(out.size, im.size) - - filter(ImageFilter.BLUR) - filter(ImageFilter.CONTOUR) - filter(ImageFilter.DETAIL) - filter(ImageFilter.EDGE_ENHANCE) - filter(ImageFilter.EDGE_ENHANCE_MORE) - filter(ImageFilter.EMBOSS) - filter(ImageFilter.FIND_EDGES) - filter(ImageFilter.SMOOTH) - filter(ImageFilter.SMOOTH_MORE) - filter(ImageFilter.SHARPEN) - filter(ImageFilter.MaxFilter) - filter(ImageFilter.MedianFilter) - filter(ImageFilter.MinFilter) - filter(ImageFilter.ModeFilter) - filter(ImageFilter.GaussianBlur) - filter(ImageFilter.GaussianBlur(5)) - filter(ImageFilter.BoxBlur(5)) - filter(ImageFilter.UnsharpMask) - filter(ImageFilter.UnsharpMask(10)) - - self.assertRaises(TypeError, filter, "hello") - - def test_crash(self): - - # crashes on small images - im = Image.new("RGB", (1, 1)) - im.filter(ImageFilter.SMOOTH) - - im = Image.new("RGB", (2, 2)) - im.filter(ImageFilter.SMOOTH) - - im = Image.new("RGB", (3, 3)) - im.filter(ImageFilter.SMOOTH) - - def test_modefilter(self): - - def modefilter(mode): - im = Image.new(mode, (3, 3), None) - im.putdata(list(range(9))) - # image is: - # 0 1 2 - # 3 4 5 - # 6 7 8 - mod = im.filter(ImageFilter.ModeFilter).getpixel((1, 1)) - im.putdata([0, 0, 1, 2, 5, 1, 5, 2, 0]) # mode=0 - mod2 = im.filter(ImageFilter.ModeFilter).getpixel((1, 1)) - return mod, mod2 - - self.assertEqual(modefilter("1"), (4, 0)) - self.assertEqual(modefilter("L"), (4, 0)) - self.assertEqual(modefilter("P"), (4, 0)) - self.assertEqual(modefilter("RGB"), ((4, 0, 0), (0, 0, 0))) - - def test_rankfilter(self): - - def rankfilter(mode): - im = Image.new(mode, (3, 3), None) - im.putdata(list(range(9))) - # image is: - # 0 1 2 - # 3 4 5 - # 6 7 8 - minimum = im.filter(ImageFilter.MinFilter).getpixel((1, 1)) - med = im.filter(ImageFilter.MedianFilter).getpixel((1, 1)) - maximum = im.filter(ImageFilter.MaxFilter).getpixel((1, 1)) - return minimum, med, maximum - - self.assertEqual(rankfilter("1"), (0, 4, 8)) - self.assertEqual(rankfilter("L"), (0, 4, 8)) - self.assertRaises(ValueError, rankfilter, "P") - self.assertEqual(rankfilter("RGB"), ((0, 0, 0), (4, 0, 0), (8, 0, 0))) - self.assertEqual(rankfilter("I"), (0, 4, 8)) - self.assertEqual(rankfilter("F"), (0.0, 4.0, 8.0)) - - def test_rankfilter_properties(self): - rankfilter = ImageFilter.RankFilter(1, 2) - - self.assertEqual(rankfilter.size, 1) - self.assertEqual(rankfilter.rank, 2) - - def test_consistency_3x3(self): - source = Image.open("Tests/images/hopper.bmp") - reference = Image.open("Tests/images/hopper_emboss.bmp") - kernel = ImageFilter.Kernel((3, 3), - (-1, -1, 0, - -1, 0, 1, - 0, 1, 1), .3) - source = source.split() * 2 - reference = reference.split() * 2 - - for mode in ['L', 'LA', 'RGB', 'CMYK']: - self.assert_image_equal( - Image.merge(mode, source[:len(mode)]).filter(kernel), - Image.merge(mode, reference[:len(mode)]), +from .helper import assert_image_equal, hopper + + +def test_sanity(): + def apply_filter(filter_to_apply): + for mode in ["L", "RGB", "CMYK"]: + im = hopper(mode) + out = im.filter(filter_to_apply) + assert out.mode == im.mode + assert out.size == im.size + + apply_filter(ImageFilter.BLUR) + apply_filter(ImageFilter.CONTOUR) + apply_filter(ImageFilter.DETAIL) + apply_filter(ImageFilter.EDGE_ENHANCE) + apply_filter(ImageFilter.EDGE_ENHANCE_MORE) + apply_filter(ImageFilter.EMBOSS) + apply_filter(ImageFilter.FIND_EDGES) + apply_filter(ImageFilter.SMOOTH) + apply_filter(ImageFilter.SMOOTH_MORE) + apply_filter(ImageFilter.SHARPEN) + apply_filter(ImageFilter.MaxFilter) + apply_filter(ImageFilter.MedianFilter) + apply_filter(ImageFilter.MinFilter) + apply_filter(ImageFilter.ModeFilter) + apply_filter(ImageFilter.GaussianBlur) + apply_filter(ImageFilter.GaussianBlur(5)) + apply_filter(ImageFilter.BoxBlur(5)) + apply_filter(ImageFilter.UnsharpMask) + apply_filter(ImageFilter.UnsharpMask(10)) + + with pytest.raises(TypeError): + apply_filter("hello") + + +def test_crash(): + + # crashes on small images + im = Image.new("RGB", (1, 1)) + im.filter(ImageFilter.SMOOTH) + + im = Image.new("RGB", (2, 2)) + im.filter(ImageFilter.SMOOTH) + + im = Image.new("RGB", (3, 3)) + im.filter(ImageFilter.SMOOTH) + + +def test_modefilter(): + def modefilter(mode): + im = Image.new(mode, (3, 3), None) + im.putdata(list(range(9))) + # image is: + # 0 1 2 + # 3 4 5 + # 6 7 8 + mod = im.filter(ImageFilter.ModeFilter).getpixel((1, 1)) + im.putdata([0, 0, 1, 2, 5, 1, 5, 2, 0]) # mode=0 + mod2 = im.filter(ImageFilter.ModeFilter).getpixel((1, 1)) + return mod, mod2 + + assert modefilter("1") == (4, 0) + assert modefilter("L") == (4, 0) + assert modefilter("P") == (4, 0) + assert modefilter("RGB") == ((4, 0, 0), (0, 0, 0)) + + +def test_rankfilter(): + def rankfilter(mode): + im = Image.new(mode, (3, 3), None) + im.putdata(list(range(9))) + # image is: + # 0 1 2 + # 3 4 5 + # 6 7 8 + minimum = im.filter(ImageFilter.MinFilter).getpixel((1, 1)) + med = im.filter(ImageFilter.MedianFilter).getpixel((1, 1)) + maximum = im.filter(ImageFilter.MaxFilter).getpixel((1, 1)) + return minimum, med, maximum + + assert rankfilter("1") == (0, 4, 8) + assert rankfilter("L") == (0, 4, 8) + with pytest.raises(ValueError): + rankfilter("P") + assert rankfilter("RGB") == ((0, 0, 0), (4, 0, 0), (8, 0, 0)) + assert rankfilter("I") == (0, 4, 8) + assert rankfilter("F") == (0.0, 4.0, 8.0) + + +def test_rankfilter_properties(): + rankfilter = ImageFilter.RankFilter(1, 2) + + assert rankfilter.size == 1 + assert rankfilter.rank == 2 + + +def test_builtinfilter_p(): + builtinFilter = ImageFilter.BuiltinFilter() + + with pytest.raises(ValueError): + builtinFilter.filter(hopper("P")) + + +def test_kernel_not_enough_coefficients(): + with pytest.raises(ValueError): + ImageFilter.Kernel((3, 3), (0, 0)) + + +def test_consistency_3x3(): + with Image.open("Tests/images/hopper.bmp") as source: + with Image.open("Tests/images/hopper_emboss.bmp") as reference: + kernel = ImageFilter.Kernel( + (3, 3), + # fmt: off + (-1, -1, 0, + -1, 0, 1, + 0, 1, 1), + # fmt: on + 0.3, ) - - def test_consistency_5x5(self): - source = Image.open("Tests/images/hopper.bmp") - reference = Image.open("Tests/images/hopper_emboss_more.bmp") - kernel = ImageFilter.Kernel((5, 5), - (-1, -1, -1, -1, 0, - -1, -1, -1, 0, 1, - -1, -1, 0, 1, 1, - -1, 0, 1, 1, 1, - 0, 1, 1, 1, 1), 0.3) - source = source.split() * 2 - reference = reference.split() * 2 - - for mode in ['L', 'LA', 'RGB', 'CMYK']: - self.assert_image_equal( - Image.merge(mode, source[:len(mode)]).filter(kernel), - Image.merge(mode, reference[:len(mode)]), + source = source.split() * 2 + reference = reference.split() * 2 + + for mode in ["L", "LA", "RGB", "CMYK"]: + assert_image_equal( + Image.merge(mode, source[: len(mode)]).filter(kernel), + Image.merge(mode, reference[: len(mode)]), + ) + + +def test_consistency_5x5(): + with Image.open("Tests/images/hopper.bmp") as source: + with Image.open("Tests/images/hopper_emboss_more.bmp") as reference: + kernel = ImageFilter.Kernel( + (5, 5), + # fmt: off + (-1, -1, -1, -1, 0, + -1, -1, -1, 0, 1, + -1, -1, 0, 1, 1, + -1, 0, 1, 1, 1, + 0, 1, 1, 1, 1), + # fmt: on + 0.3, ) - - -if __name__ == '__main__': - unittest.main() + source = source.split() * 2 + reference = reference.split() * 2 + + for mode in ["L", "LA", "RGB", "CMYK"]: + assert_image_equal( + Image.merge(mode, source[: len(mode)]).filter(kernel), + Image.merge(mode, reference[: len(mode)]), + ) diff --git a/Tests/test_image_frombytes.py b/Tests/test_image_frombytes.py index 2d48bb6b86c..7fb05cda7b2 100644 --- a/Tests/test_image_frombytes.py +++ b/Tests/test_image_frombytes.py @@ -1,19 +1,10 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import assert_image_equal, hopper -class TestImageFromBytes(PillowTestCase): - - def test_sanity(self): - im1 = hopper() - im2 = Image.frombytes(im1.mode, im1.size, im1.tobytes()) - - self.assert_image_equal(im1, im2) - - def test_not_implemented(self): - self.assertRaises(NotImplementedError, Image.fromstring) +def test_sanity(): + im1 = hopper() + im2 = Image.frombytes(im1.mode, im1.size, im1.tobytes()) -if __name__ == '__main__': - unittest.main() + assert_image_equal(im1, im2) diff --git a/Tests/test_image_fromqimage.py b/Tests/test_image_fromqimage.py index 2e5d95aa74c..5ad5b5c3c0a 100644 --- a/Tests/test_image_fromqimage.py +++ b/Tests/test_image_fromqimage.py @@ -1,48 +1,60 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase +import pytest -from PIL import ImageQt, Image +from PIL import Image, ImageQt +from .helper import assert_image_equal, hopper -class TestFromQImage(PillowQtTestCase, PillowTestCase): +pytestmark = pytest.mark.skipif( + not ImageQt.qt_is_installed, reason="Qt bindings are not installed" +) - files_to_test = [ + +@pytest.fixture +def test_images(): + ims = [ hopper(), - Image.open('Tests/images/transparent.png'), - Image.open('Tests/images/7x13.png'), + Image.open("Tests/images/transparent.png"), + Image.open("Tests/images/7x13.png"), ] + try: + yield ims + finally: + for im in ims: + im.close() + + +def roundtrip(expected): + # PIL -> Qt + intermediate = expected.toqimage() + # Qt -> PIL + result = ImageQt.fromqimage(intermediate) + + if intermediate.hasAlphaChannel(): + assert_image_equal(result, expected.convert("RGBA")) + else: + assert_image_equal(result, expected.convert("RGB")) + - def roundtrip(self, expected): - # PIL -> Qt - intermediate = expected.toqimage() - # Qt -> PIL - result = ImageQt.fromqimage(intermediate) +def test_sanity_1(test_images): + for im in test_images: + roundtrip(im.convert("1")) - if intermediate.hasAlphaChannel(): - self.assert_image_equal(result, expected.convert('RGBA')) - else: - self.assert_image_equal(result, expected.convert('RGB')) - def test_sanity_1(self): - for im in self.files_to_test: - self.roundtrip(im.convert('1')) +def test_sanity_rgb(test_images): + for im in test_images: + roundtrip(im.convert("RGB")) - def test_sanity_rgb(self): - for im in self.files_to_test: - self.roundtrip(im.convert('RGB')) - def test_sanity_rgba(self): - for im in self.files_to_test: - self.roundtrip(im.convert('RGBA')) +def test_sanity_rgba(test_images): + for im in test_images: + roundtrip(im.convert("RGBA")) - def test_sanity_l(self): - for im in self.files_to_test: - self.roundtrip(im.convert('L')) - def test_sanity_p(self): - for im in self.files_to_test: - self.roundtrip(im.convert('P')) +def test_sanity_l(test_images): + for im in test_images: + roundtrip(im.convert("L")) -if __name__ == '__main__': - unittest.main() +def test_sanity_p(test_images): + for im in test_images: + roundtrip(im.convert("P")) diff --git a/Tests/test_image_fromqpixmap.py b/Tests/test_image_fromqpixmap.py deleted file mode 100644 index 543b74bbf24..00000000000 --- a/Tests/test_image_fromqpixmap.py +++ /dev/null @@ -1,32 +0,0 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase, PillowQPixmapTestCase - -from PIL import ImageQt - - -class TestFromQPixmap(PillowQPixmapTestCase, PillowTestCase): - - def roundtrip(self, expected): - PillowQtTestCase.setUp(self) - result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected)) - # Qt saves all pixmaps as rgb - self.assert_image_equal(result, expected.convert('RGB')) - - def test_sanity_1(self): - self.roundtrip(hopper('1')) - - def test_sanity_rgb(self): - self.roundtrip(hopper('RGB')) - - def test_sanity_rgba(self): - self.roundtrip(hopper('RGBA')) - - def test_sanity_l(self): - self.roundtrip(hopper('L')) - - def test_sanity_p(self): - self.roundtrip(hopper('P')) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_getbands.py b/Tests/test_image_getbands.py index 5eecbf044b5..08fc12c1cf4 100644 --- a/Tests/test_image_getbands.py +++ b/Tests/test_image_getbands.py @@ -1,24 +1,13 @@ -from helper import unittest, PillowTestCase - from PIL import Image -class TestImageGetBands(PillowTestCase): - - def test_getbands(self): - self.assertEqual(Image.new("1", (1, 1)).getbands(), ("1",)) - self.assertEqual(Image.new("L", (1, 1)).getbands(), ("L",)) - self.assertEqual(Image.new("I", (1, 1)).getbands(), ("I",)) - self.assertEqual(Image.new("F", (1, 1)).getbands(), ("F",)) - self.assertEqual(Image.new("P", (1, 1)).getbands(), ("P",)) - self.assertEqual(Image.new("RGB", (1, 1)).getbands(), ("R", "G", "B")) - self.assertEqual( - Image.new("RGBA", (1, 1)).getbands(), ("R", "G", "B", "A")) - self.assertEqual( - Image.new("CMYK", (1, 1)).getbands(), ("C", "M", "Y", "K")) - self.assertEqual( - Image.new("YCbCr", (1, 1)).getbands(), ("Y", "Cb", "Cr")) - - -if __name__ == '__main__': - unittest.main() +def test_getbands(): + assert Image.new("1", (1, 1)).getbands() == ("1",) + assert Image.new("L", (1, 1)).getbands() == ("L",) + assert Image.new("I", (1, 1)).getbands() == ("I",) + assert Image.new("F", (1, 1)).getbands() == ("F",) + assert Image.new("P", (1, 1)).getbands() == ("P",) + assert Image.new("RGB", (1, 1)).getbands() == ("R", "G", "B") + assert Image.new("RGBA", (1, 1)).getbands() == ("R", "G", "B", "A") + assert Image.new("CMYK", (1, 1)).getbands() == ("C", "M", "Y", "K") + assert Image.new("YCbCr", (1, 1)).getbands() == ("Y", "Cb", "Cr") diff --git a/Tests/test_image_getbbox.py b/Tests/test_image_getbbox.py index f290321435f..c86e33eb2fb 100644 --- a/Tests/test_image_getbbox.py +++ b/Tests/test_image_getbbox.py @@ -1,43 +1,41 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import hopper -class TestImageGetBbox(PillowTestCase): - - def test_sanity(self): - - bbox = hopper().getbbox() - self.assertIsInstance(bbox, tuple) - def test_bbox(self): +def test_sanity(): - # 8-bit mode - im = Image.new("L", (100, 100), 0) - self.assertIsNone(im.getbbox()) + bbox = hopper().getbbox() + assert isinstance(bbox, tuple) - im.paste(255, (10, 25, 90, 75)) - self.assertEqual(im.getbbox(), (10, 25, 90, 75)) - im.paste(255, (25, 10, 75, 90)) - self.assertEqual(im.getbbox(), (10, 10, 90, 90)) +def test_bbox(): + def check(im, fill_color): + assert im.getbbox() is None - im.paste(255, (-10, -10, 110, 110)) - self.assertEqual(im.getbbox(), (0, 0, 100, 100)) + im.paste(fill_color, (10, 25, 90, 75)) + assert im.getbbox() == (10, 25, 90, 75) - # 32-bit mode - im = Image.new("RGB", (100, 100), 0) - self.assertIsNone(im.getbbox()) + im.paste(fill_color, (25, 10, 75, 90)) + assert im.getbbox() == (10, 10, 90, 90) - im.paste(255, (10, 25, 90, 75)) - self.assertEqual(im.getbbox(), (10, 25, 90, 75)) + im.paste(fill_color, (-10, -10, 110, 110)) + assert im.getbbox() == (0, 0, 100, 100) - im.paste(255, (25, 10, 75, 90)) - self.assertEqual(im.getbbox(), (10, 10, 90, 90)) + # 8-bit mode + im = Image.new("L", (100, 100), 0) + check(im, 255) - im.paste(255, (-10, -10, 110, 110)) - self.assertEqual(im.getbbox(), (0, 0, 100, 100)) + # 32-bit mode + im = Image.new("RGB", (100, 100), 0) + check(im, 255) + for mode in ("RGBA", "RGBa"): + for color in ((0, 0, 0, 0), (127, 127, 127, 0), (255, 255, 255, 0)): + im = Image.new(mode, (100, 100), color) + check(im, (255, 255, 255, 255)) -if __name__ == '__main__': - unittest.main() + for mode in ("La", "LA", "PA"): + for color in ((0, 0), (127, 0), (255, 0)): + im = Image.new(mode, (100, 100), color) + check(im, (255, 255)) diff --git a/Tests/test_image_getcolors.py b/Tests/test_image_getcolors.py index ca7a9d93d75..e5b6a772462 100644 --- a/Tests/test_image_getcolors.py +++ b/Tests/test_image_getcolors.py @@ -1,71 +1,68 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageGetColors(PillowTestCase): +def test_getcolors(): + def getcolors(mode, limit=None): + im = hopper(mode) + if limit: + colors = im.getcolors(limit) + else: + colors = im.getcolors() + if colors: + return len(colors) + return None - def test_getcolors(self): + assert getcolors("1") == 2 + assert getcolors("L") == 255 + assert getcolors("I") == 255 + assert getcolors("F") == 255 + assert getcolors("P") == 90 # fixed palette + assert getcolors("RGB") is None + assert getcolors("RGBA") is None + assert getcolors("CMYK") is None + assert getcolors("YCbCr") is None - def getcolors(mode, limit=None): - im = hopper(mode) - if limit: - colors = im.getcolors(limit) - else: - colors = im.getcolors() - if colors: - return len(colors) - return None + assert getcolors("L", 128) is None + assert getcolors("L", 1024) == 255 - self.assertEqual(getcolors("1"), 2) - self.assertEqual(getcolors("L"), 255) - self.assertEqual(getcolors("I"), 255) - self.assertEqual(getcolors("F"), 255) - self.assertEqual(getcolors("P"), 90) # fixed palette - self.assertIsNone(getcolors("RGB")) - self.assertIsNone(getcolors("RGBA")) - self.assertIsNone(getcolors("CMYK")) - self.assertIsNone(getcolors("YCbCr")) + assert getcolors("RGB", 8192) is None + assert getcolors("RGB", 16384) == 10100 + assert getcolors("RGB", 100000) == 10100 - self.assertIsNone(getcolors("L", 128)) - self.assertEqual(getcolors("L", 1024), 255) + assert getcolors("RGBA", 16384) == 10100 + assert getcolors("CMYK", 16384) == 10100 + assert getcolors("YCbCr", 16384) == 9329 - self.assertIsNone(getcolors("RGB", 8192)) - self.assertEqual(getcolors("RGB", 16384), 10100) - self.assertEqual(getcolors("RGB", 100000), 10100) - self.assertEqual(getcolors("RGBA", 16384), 10100) - self.assertEqual(getcolors("CMYK", 16384), 10100) - self.assertEqual(getcolors("YCbCr", 16384), 9329) +# -------------------------------------------------------------------- - # -------------------------------------------------------------------- - def test_pack(self): - # Pack problems for small tables (@PIL209) +def test_pack(): + # Pack problems for small tables (@PIL209) - im = hopper().quantize(3).convert("RGB") + im = hopper().quantize(3).convert("RGB") - expected = [(4039, (172, 166, 181)), - (4385, (124, 113, 134)), - (7960, (31, 20, 33))] + expected = [ + (4039, (172, 166, 181)), + (4385, (124, 113, 134)), + (7960, (31, 20, 33)), + ] - A = im.getcolors(maxcolors=2) - self.assertIsNone(A) + A = im.getcolors(maxcolors=2) + assert A is None - A = im.getcolors(maxcolors=3) - A.sort() - self.assertEqual(A, expected) + A = im.getcolors(maxcolors=3) + A.sort() + assert A == expected - A = im.getcolors(maxcolors=4) - A.sort() - self.assertEqual(A, expected) + A = im.getcolors(maxcolors=4) + A.sort() + assert A == expected - A = im.getcolors(maxcolors=8) - A.sort() - self.assertEqual(A, expected) + A = im.getcolors(maxcolors=8) + A.sort() + assert A == expected - A = im.getcolors(maxcolors=16) - A.sort() - self.assertEqual(A, expected) - - -if __name__ == '__main__': - unittest.main() + A = im.getcolors(maxcolors=16) + A.sort() + assert A == expected diff --git a/Tests/test_image_getdata.py b/Tests/test_image_getdata.py index ef07844df5e..159efd78aa2 100644 --- a/Tests/test_image_getdata.py +++ b/Tests/test_image_getdata.py @@ -1,33 +1,28 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image +from .helper import hopper -class TestImageGetData(PillowTestCase): - def test_sanity(self): +def test_sanity(): + data = hopper().getdata() - data = hopper().getdata() + len(data) + list(data) - len(data) - list(data) + assert data[0] == (20, 20, 70) - self.assertEqual(data[0], (20, 20, 70)) - def test_roundtrip(self): +def test_roundtrip(): + def getdata(mode): + im = hopper(mode).resize((32, 30), Image.NEAREST) + data = im.getdata() + return data[0], len(data), len(list(data)) - def getdata(mode): - im = hopper(mode).resize((32, 30)) - data = im.getdata() - return data[0], len(data), len(list(data)) - - self.assertEqual(getdata("1"), (0, 960, 960)) - self.assertEqual(getdata("L"), (16, 960, 960)) - self.assertEqual(getdata("I"), (16, 960, 960)) - self.assertEqual(getdata("F"), (16.0, 960, 960)) - self.assertEqual(getdata("RGB"), (((11, 13, 52), 960, 960))) - self.assertEqual(getdata("RGBA"), ((11, 13, 52, 255), 960, 960)) - self.assertEqual(getdata("CMYK"), ((244, 242, 203, 0), 960, 960)) - self.assertEqual(getdata("YCbCr"), ((16, 147, 123), 960, 960)) - - -if __name__ == '__main__': - unittest.main() + assert getdata("1") == (0, 960, 960) + assert getdata("L") == (17, 960, 960) + assert getdata("I") == (17, 960, 960) + assert getdata("F") == (17.0, 960, 960) + assert getdata("RGB") == ((11, 13, 52), 960, 960) + assert getdata("RGBA") == ((11, 13, 52, 255), 960, 960) + assert getdata("CMYK") == ((244, 242, 203, 0), 960, 960) + assert getdata("YCbCr") == ((16, 147, 123), 960, 960) diff --git a/Tests/test_image_getextrema.py b/Tests/test_image_getextrema.py index 0b0c31b866b..710794da426 100644 --- a/Tests/test_image_getextrema.py +++ b/Tests/test_image_getextrema.py @@ -1,25 +1,25 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image +from .helper import hopper -class TestImageGetExtrema(PillowTestCase): - def test_extrema(self): +def test_extrema(): + def extrema(mode): + return hopper(mode).getextrema() - def extrema(mode): - return hopper(mode).getextrema() + assert extrema("1") == (0, 255) + assert extrema("L") == (1, 255) + assert extrema("I") == (1, 255) + assert extrema("F") == (1, 255) + assert extrema("P") == (0, 225) # fixed palette + assert extrema("RGB") == ((0, 255), (0, 255), (0, 255)) + assert extrema("RGBA") == ((0, 255), (0, 255), (0, 255), (255, 255)) + assert extrema("CMYK") == ((0, 255), (0, 255), (0, 255), (0, 0)) + assert extrema("I;16") == (1, 255) - self.assertEqual(extrema("1"), (0, 255)) - self.assertEqual(extrema("L"), (0, 255)) - self.assertEqual(extrema("I"), (0, 255)) - self.assertEqual(extrema("F"), (0, 255)) - self.assertEqual(extrema("P"), (0, 225)) # fixed palette - self.assertEqual( - extrema("RGB"), ((0, 255), (0, 255), (0, 255))) - self.assertEqual( - extrema("RGBA"), ((0, 255), (0, 255), (0, 255), (255, 255))) - self.assertEqual( - extrema("CMYK"), (((0, 255), (0, 255), (0, 255), (0, 0)))) - -if __name__ == '__main__': - unittest.main() +def test_true_16(): + with Image.open("Tests/images/16_bit_noise.tif") as im: + assert im.mode == "I;16" + extrema = im.getextrema() + assert extrema == (106, 285) diff --git a/Tests/test_image_getim.py b/Tests/test_image_getim.py index bc562de5ab8..746e63b1551 100644 --- a/Tests/test_image_getim.py +++ b/Tests/test_image_getim.py @@ -1,17 +1,9 @@ -from helper import unittest, PillowTestCase, hopper, py3 +from .helper import hopper -class TestImageGetIm(PillowTestCase): +def test_sanity(): + im = hopper() + type_repr = repr(type(im.getim())) - def test_sanity(self): - im = hopper() - type_repr = repr(type(im.getim())) - - if py3: - self.assertIn("PyCapsule", type_repr) - - self.assertIsInstance(im.im.id, int) - - -if __name__ == '__main__': - unittest.main() + assert "PyCapsule" in type_repr + assert isinstance(im.im.id, int) diff --git a/Tests/test_image_getpalette.py b/Tests/test_image_getpalette.py index 01a6ac7ada5..1818adca234 100644 --- a/Tests/test_image_getpalette.py +++ b/Tests/test_image_getpalette.py @@ -1,24 +1,19 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageGetPalette(PillowTestCase): +def test_palette(): + def palette(mode): + p = hopper(mode).getpalette() + if p: + return p[:10] + return None - def test_palette(self): - def palette(mode): - p = hopper(mode).getpalette() - if p: - return p[:10] - return None - self.assertIsNone(palette("1")) - self.assertIsNone(palette("L")) - self.assertIsNone(palette("I")) - self.assertIsNone(palette("F")) - self.assertEqual(palette("P"), [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - self.assertIsNone(palette("RGB")) - self.assertIsNone(palette("RGBA")) - self.assertIsNone(palette("CMYK")) - self.assertIsNone(palette("YCbCr")) - - -if __name__ == '__main__': - unittest.main() + assert palette("1") is None + assert palette("L") is None + assert palette("I") is None + assert palette("F") is None + assert palette("P") == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + assert palette("RGB") is None + assert palette("RGBA") is None + assert palette("CMYK") is None + assert palette("YCbCr") is None diff --git a/Tests/test_image_getprojection.py b/Tests/test_image_getprojection.py index 9d3f2d9edc0..f65d40708b1 100644 --- a/Tests/test_image_getprojection.py +++ b/Tests/test_image_getprojection.py @@ -1,36 +1,29 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import hopper -class TestImageGetProjection(PillowTestCase): - - def test_sanity(self): - - im = hopper() - - projection = im.getprojection() - self.assertEqual(len(projection), 2) - self.assertEqual(len(projection[0]), im.size[0]) - self.assertEqual(len(projection[1]), im.size[1]) +def test_sanity(): + im = hopper() - # 8-bit image - im = Image.new("L", (10, 10)) - self.assertEqual(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - im.paste(255, (2, 4, 8, 6)) - self.assertEqual(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0]) + projection = im.getprojection() - # 32-bit image - im = Image.new("RGB", (10, 10)) - self.assertEqual(im.getprojection()[0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) - im.paste(255, (2, 4, 8, 6)) - self.assertEqual(im.getprojection()[0], [0, 0, 1, 1, 1, 1, 1, 1, 0, 0]) - self.assertEqual(im.getprojection()[1], [0, 0, 0, 0, 1, 1, 0, 0, 0, 0]) + assert len(projection) == 2 + assert len(projection[0]) == im.size[0] + assert len(projection[1]) == im.size[1] + # 8-bit image + im = Image.new("L", (10, 10)) + assert im.getprojection()[0] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + im.paste(255, (2, 4, 8, 6)) + assert im.getprojection()[0] == [0, 0, 1, 1, 1, 1, 1, 1, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 1, 1, 0, 0, 0, 0] -if __name__ == '__main__': - unittest.main() + # 32-bit image + im = Image.new("RGB", (10, 10)) + assert im.getprojection()[0] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] + im.paste(255, (2, 4, 8, 6)) + assert im.getprojection()[0] == [0, 0, 1, 1, 1, 1, 1, 1, 0, 0] + assert im.getprojection()[1] == [0, 0, 0, 0, 1, 1, 0, 0, 0, 0] diff --git a/Tests/test_image_histogram.py b/Tests/test_image_histogram.py index 892e89328fd..91e02973d04 100644 --- a/Tests/test_image_histogram.py +++ b/Tests/test_image_histogram.py @@ -1,24 +1,17 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageHistogram(PillowTestCase): +def test_histogram(): + def histogram(mode): + h = hopper(mode).histogram() + return len(h), min(h), max(h) - def test_histogram(self): - - def histogram(mode): - h = hopper(mode).histogram() - return len(h), min(h), max(h) - - self.assertEqual(histogram("1"), (256, 0, 10994)) - self.assertEqual(histogram("L"), (256, 0, 638)) - self.assertEqual(histogram("I"), (256, 0, 638)) - self.assertEqual(histogram("F"), (256, 0, 638)) - self.assertEqual(histogram("P"), (256, 0, 1871)) - self.assertEqual(histogram("RGB"), (768, 4, 675)) - self.assertEqual(histogram("RGBA"), (1024, 0, 16384)) - self.assertEqual(histogram("CMYK"), (1024, 0, 16384)) - self.assertEqual(histogram("YCbCr"), (768, 0, 1908)) - - -if __name__ == '__main__': - unittest.main() + assert histogram("1") == (256, 0, 10994) + assert histogram("L") == (256, 0, 662) + assert histogram("I") == (256, 0, 662) + assert histogram("F") == (256, 0, 662) + assert histogram("P") == (256, 0, 1871) + assert histogram("RGB") == (768, 4, 675) + assert histogram("RGBA") == (1024, 0, 16384) + assert histogram("CMYK") == (1024, 0, 16384) + assert histogram("YCbCr") == (768, 0, 1908) diff --git a/Tests/test_image_load.py b/Tests/test_image_load.py index 15a92e339d5..f7fe99bb4c2 100644 --- a/Tests/test_image_load.py +++ b/Tests/test_image_load.py @@ -1,33 +1,50 @@ -from helper import unittest, PillowTestCase, hopper +import logging +import os + +import pytest from PIL import Image -import os +from .helper import hopper -class TestImageLoad(PillowTestCase): +def test_sanity(): + im = hopper() + pix = im.load() - def test_sanity(self): + assert pix[0, 0] == (20, 20, 70) - im = hopper() - pix = im.load() +def test_close(): + im = Image.open("Tests/images/hopper.gif") + im.close() + with pytest.raises(ValueError): + im.load() + with pytest.raises(ValueError): + im.getpixel((0, 0)) - self.assertEqual(pix[0, 0], (20, 20, 70)) - def test_close(self): - im = Image.open("Tests/images/hopper.gif") +def test_close_after_load(caplog): + im = Image.open("Tests/images/hopper.gif") + im.load() + with caplog.at_level(logging.DEBUG): im.close() - self.assertRaises(ValueError, im.load) - self.assertRaises(ValueError, im.getpixel, (0, 0)) + assert len(caplog.records) == 0 + + +def test_contextmanager(): + fn = None + with Image.open("Tests/images/hopper.gif") as im: + fn = im.fp.fileno() + os.fstat(fn) + + with pytest.raises(OSError): + os.fstat(fn) - def test_contextmanager(self): - fn = None - with Image.open("Tests/images/hopper.gif") as im: - fn = im.fp.fileno() - os.fstat(fn) - self.assertRaises(OSError, os.fstat, fn) +def test_contextmanager_non_exclusive_fp(): + with open("Tests/images/hopper.gif", "rb") as fp: + with Image.open(fp): + pass -if __name__ == '__main__': - unittest.main() + assert not fp.closed diff --git a/Tests/test_image_mode.py b/Tests/test_image_mode.py index 0596af3977f..7f92c226416 100644 --- a/Tests/test_image_mode.py +++ b/Tests/test_image_mode.py @@ -1,57 +1,70 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image, ImageMode -from PIL import Image +from .helper import hopper -class TestImageMode(PillowTestCase): +def test_sanity(): - def test_sanity(self): - - im = hopper() + with hopper() as im: im.mode - from PIL import ImageMode - - ImageMode.getmode("1") - ImageMode.getmode("L") - ImageMode.getmode("P") - ImageMode.getmode("RGB") - ImageMode.getmode("I") - ImageMode.getmode("F") - - m = ImageMode.getmode("1") - self.assertEqual(m.mode, "1") - self.assertEqual(str(m), "1") - self.assertEqual(m.bands, ("1",)) - self.assertEqual(m.basemode, "L") - self.assertEqual(m.basetype, "L") - - m = ImageMode.getmode("RGB") - self.assertEqual(m.mode, "RGB") - self.assertEqual(str(m), "RGB") - self.assertEqual(m.bands, ("R", "G", "B")) - self.assertEqual(m.basemode, "RGB") - self.assertEqual(m.basetype, "L") - - def test_properties(self): - def check(mode, *result): - signature = ( - Image.getmodebase(mode), Image.getmodetype(mode), - Image.getmodebands(mode), Image.getmodebandnames(mode), - ) - self.assertEqual(signature, result) - check("1", "L", "L", 1, ("1",)) - check("L", "L", "L", 1, ("L",)) - check("P", "RGB", "L", 1, ("P",)) - check("I", "L", "I", 1, ("I",)) - check("F", "L", "F", 1, ("F",)) - check("RGB", "RGB", "L", 3, ("R", "G", "B")) - check("RGBA", "RGB", "L", 4, ("R", "G", "B", "A")) - check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) - check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) - check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K")) - check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr")) - - -if __name__ == '__main__': - unittest.main() + ImageMode.getmode("1") + ImageMode.getmode("L") + ImageMode.getmode("P") + ImageMode.getmode("RGB") + ImageMode.getmode("I") + ImageMode.getmode("F") + + m = ImageMode.getmode("1") + assert m.mode == "1" + assert str(m) == "1" + assert m.bands == ("1",) + assert m.basemode == "L" + assert m.basetype == "L" + + for mode in ( + "I;16", + "I;16S", + "I;16L", + "I;16LS", + "I;16B", + "I;16BS", + "I;16N", + "I;16NS", + ): + m = ImageMode.getmode(mode) + assert m.mode == mode + assert str(m) == mode + assert m.bands == ("I",) + assert m.basemode == "L" + assert m.basetype == "L" + + m = ImageMode.getmode("RGB") + assert m.mode == "RGB" + assert str(m) == "RGB" + assert m.bands == ("R", "G", "B") + assert m.basemode == "RGB" + assert m.basetype == "L" + + +def test_properties(): + def check(mode, *result): + signature = ( + Image.getmodebase(mode), + Image.getmodetype(mode), + Image.getmodebands(mode), + Image.getmodebandnames(mode), + ) + assert signature == result + + check("1", "L", "L", 1, ("1",)) + check("L", "L", "L", 1, ("L",)) + check("P", "P", "L", 1, ("P",)) + check("I", "L", "I", 1, ("I",)) + check("F", "L", "F", 1, ("F",)) + check("RGB", "RGB", "L", 3, ("R", "G", "B")) + check("RGBA", "RGB", "L", 4, ("R", "G", "B", "A")) + check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) + check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")) + check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K")) + check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr")) diff --git a/Tests/test_image_paste.py b/Tests/test_image_paste.py index e782008a7e0..1d3ca813550 100644 --- a/Tests/test_image_paste.py +++ b/Tests/test_image_paste.py @@ -1,18 +1,15 @@ -from helper import unittest, PillowTestCase, cached_property - from PIL import Image +from .helper import assert_image_equal, cached_property + -class TestImagingPaste(PillowTestCase): +class TestImagingPaste: masks = {} size = 128 def assert_9points_image(self, im, expected): expected = [ - point[0] - if im.mode == 'L' else - point[:len(im.mode)] - for point in expected + point[0] if im.mode == "L" else point[: len(im.mode)] for point in expected ] px = im.load() actual = [ @@ -26,7 +23,7 @@ def assert_9points_image(self, im, expected): px[self.size // 2, self.size - 1], px[self.size - 1, self.size - 1], ] - self.assertEqual(actual, expected) + assert actual == expected def assert_9points_paste(self, im, im2, mask, expected): im3 = im.copy() @@ -39,7 +36,7 @@ def assert_9points_paste(self, im, im2, mask, expected): @cached_property def mask_1(self): - mask = Image.new('1', (self.size, self.size)) + mask = Image.new("1", (self.size, self.size)) px = mask.load() for y in range(mask.height): for x in range(mask.width): @@ -52,7 +49,7 @@ def mask_L(self): @cached_property def gradient_L(self): - gradient = Image.new('L', (self.size, self.size)) + gradient = Image.new("L", (self.size, self.size)) px = gradient.load() for y in range(gradient.height): for x in range(gradient.width): @@ -61,196 +58,241 @@ def gradient_L(self): @cached_property def gradient_RGB(self): - return Image.merge('RGB', [ - self.gradient_L, - self.gradient_L.transpose(Image.ROTATE_90), - self.gradient_L.transpose(Image.ROTATE_180), - ]) + return Image.merge( + "RGB", + [ + self.gradient_L, + self.gradient_L.transpose(Image.ROTATE_90), + self.gradient_L.transpose(Image.ROTATE_180), + ], + ) @cached_property def gradient_RGBA(self): - return Image.merge('RGBA', [ - self.gradient_L, - self.gradient_L.transpose(Image.ROTATE_90), - self.gradient_L.transpose(Image.ROTATE_180), - self.gradient_L.transpose(Image.ROTATE_270), - ]) + return Image.merge( + "RGBA", + [ + self.gradient_L, + self.gradient_L.transpose(Image.ROTATE_90), + self.gradient_L.transpose(Image.ROTATE_180), + self.gradient_L.transpose(Image.ROTATE_270), + ], + ) @cached_property def gradient_RGBa(self): - return Image.merge('RGBa', [ - self.gradient_L, - self.gradient_L.transpose(Image.ROTATE_90), - self.gradient_L.transpose(Image.ROTATE_180), - self.gradient_L.transpose(Image.ROTATE_270), - ]) + return Image.merge( + "RGBa", + [ + self.gradient_L, + self.gradient_L.transpose(Image.ROTATE_90), + self.gradient_L.transpose(Image.ROTATE_180), + self.gradient_L.transpose(Image.ROTATE_270), + ], + ) def test_image_solid(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'red') - im2 = getattr(self, 'gradient_' + mode) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "red") + im2 = getattr(self, "gradient_" + mode) im.paste(im2, (12, 23)) im = im.crop((12, 23, im2.width + 12, im2.height + 23)) - self.assert_image_equal(im, im2) + assert_image_equal(im, im2) def test_image_mask_1(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - self.assert_9points_paste(im, im2, self.mask_1, [ - (255, 255, 255, 255), - (255, 255, 255, 255), - (127, 254, 127, 0), - (255, 255, 255, 255), - (255, 255, 255, 255), - (191, 190, 63, 64), - (127, 0, 127, 254), - (191, 64, 63, 190), - (255, 255, 255, 255), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.mask_1, + [ + (255, 255, 255, 255), + (255, 255, 255, 255), + (127, 254, 127, 0), + (255, 255, 255, 255), + (255, 255, 255, 255), + (191, 190, 63, 64), + (127, 0, 127, 254), + (191, 64, 63, 190), + (255, 255, 255, 255), + ], + ) def test_image_mask_L(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - self.assert_9points_paste(im, im2, self.mask_L, [ - (128, 191, 255, 191), - (208, 239, 239, 208), - (255, 255, 255, 255), - (112, 111, 206, 207), - (192, 191, 191, 191), - (239, 239, 207, 207), - (128, 1, 128, 254), - (207, 113, 112, 207), - (255, 191, 128, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.mask_L, + [ + (128, 191, 255, 191), + (208, 239, 239, 208), + (255, 255, 255, 255), + (112, 111, 206, 207), + (192, 191, 191, 191), + (239, 239, 207, 207), + (128, 1, 128, 254), + (207, 113, 112, 207), + (255, 191, 128, 191), + ], + ) def test_image_mask_RGBA(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - self.assert_9points_paste(im, im2, self.gradient_RGBA, [ - (128, 191, 255, 191), - (208, 239, 239, 208), - (255, 255, 255, 255), - (112, 111, 206, 207), - (192, 191, 191, 191), - (239, 239, 207, 207), - (128, 1, 128, 254), - (207, 113, 112, 207), - (255, 191, 128, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.gradient_RGBA, + [ + (128, 191, 255, 191), + (208, 239, 239, 208), + (255, 255, 255, 255), + (112, 111, 206, 207), + (192, 191, 191, 191), + (239, 239, 207, 207), + (128, 1, 128, 254), + (207, 113, 112, 207), + (255, 191, 128, 191), + ], + ) def test_image_mask_RGBa(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'white') - im2 = getattr(self, 'gradient_' + mode) - - self.assert_9points_paste(im, im2, self.gradient_RGBa, [ - (128, 255, 126, 255), - (0, 127, 126, 255), - (126, 253, 126, 255), - (128, 127, 254, 255), - (0, 255, 254, 255), - (126, 125, 254, 255), - (128, 1, 128, 255), - (0, 129, 128, 255), - (126, 255, 128, 255), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "white") + im2 = getattr(self, "gradient_" + mode) + + self.assert_9points_paste( + im, + im2, + self.gradient_RGBa, + [ + (128, 255, 126, 255), + (0, 127, 126, 255), + (126, 253, 126, 255), + (128, 127, 254, 255), + (0, 255, 254, 255), + (126, 125, 254, 255), + (128, 1, 128, 255), + (0, 129, 128, 255), + (126, 255, 128, 255), + ], + ) def test_color_solid(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), 'black') + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), "black") rect = (12, 23, 128 + 12, 128 + 23) - im.paste('white', rect) + im.paste("white", rect) hist = im.crop(rect).histogram() while hist: head, hist = hist[:256], hist[256:] - self.assertEqual(head[255], 128 * 128) - self.assertEqual(sum(head[:255]), 0) + assert head[255] == 128 * 128 + assert sum(head[:255]) == 0 def test_color_mask_1(self): - for mode in ('RGBA', 'RGB', 'L'): - im = Image.new(mode, (200, 200), (50, 60, 70, 80)[:len(mode)]) - color = (10, 20, 30, 40)[:len(mode)] - - self.assert_9points_paste(im, color, self.mask_1, [ - (50, 60, 70, 80), - (50, 60, 70, 80), - (10, 20, 30, 40), - (50, 60, 70, 80), - (50, 60, 70, 80), - (10, 20, 30, 40), - (10, 20, 30, 40), - (10, 20, 30, 40), - (50, 60, 70, 80), - ]) + for mode in ("RGBA", "RGB", "L"): + im = Image.new(mode, (200, 200), (50, 60, 70, 80)[: len(mode)]) + color = (10, 20, 30, 40)[: len(mode)] + + self.assert_9points_paste( + im, + color, + self.mask_1, + [ + (50, 60, 70, 80), + (50, 60, 70, 80), + (10, 20, 30, 40), + (50, 60, 70, 80), + (50, 60, 70, 80), + (10, 20, 30, 40), + (10, 20, 30, 40), + (10, 20, 30, 40), + (50, 60, 70, 80), + ], + ) def test_color_mask_L(self): - for mode in ('RGBA', 'RGB', 'L'): - im = getattr(self, 'gradient_' + mode).copy() - color = 'white' - - self.assert_9points_paste(im, color, self.mask_L, [ - (127, 191, 254, 191), - (111, 207, 206, 110), - (127, 254, 127, 0), - (207, 207, 239, 239), - (191, 191, 190, 191), - (207, 206, 111, 112), - (254, 254, 254, 255), - (239, 206, 206, 238), - (254, 191, 127, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = getattr(self, "gradient_" + mode).copy() + color = "white" + + self.assert_9points_paste( + im, + color, + self.mask_L, + [ + (127, 191, 254, 191), + (111, 207, 206, 110), + (127, 254, 127, 0), + (207, 207, 239, 239), + (191, 191, 190, 191), + (207, 206, 111, 112), + (254, 254, 254, 255), + (239, 206, 206, 238), + (254, 191, 127, 191), + ], + ) def test_color_mask_RGBA(self): - for mode in ('RGBA', 'RGB', 'L'): - im = getattr(self, 'gradient_' + mode).copy() - color = 'white' - - self.assert_9points_paste(im, color, self.gradient_RGBA, [ - (127, 191, 254, 191), - (111, 207, 206, 110), - (127, 254, 127, 0), - (207, 207, 239, 239), - (191, 191, 190, 191), - (207, 206, 111, 112), - (254, 254, 254, 255), - (239, 206, 206, 238), - (254, 191, 127, 191), - ]) + for mode in ("RGBA", "RGB", "L"): + im = getattr(self, "gradient_" + mode).copy() + color = "white" + + self.assert_9points_paste( + im, + color, + self.gradient_RGBA, + [ + (127, 191, 254, 191), + (111, 207, 206, 110), + (127, 254, 127, 0), + (207, 207, 239, 239), + (191, 191, 190, 191), + (207, 206, 111, 112), + (254, 254, 254, 255), + (239, 206, 206, 238), + (254, 191, 127, 191), + ], + ) def test_color_mask_RGBa(self): - for mode in ('RGBA', 'RGB', 'L'): - im = getattr(self, 'gradient_' + mode).copy() - color = 'white' - - self.assert_9points_paste(im, color, self.gradient_RGBa, [ - (255, 63, 126, 63), - (47, 143, 142, 46), - (126, 253, 126, 255), - (15, 15, 47, 47), - (63, 63, 62, 63), - (142, 141, 46, 47), - (255, 255, 255, 0), - (48, 15, 15, 47), - (126, 63, 255, 63) - ]) + for mode in ("RGBA", "RGB", "L"): + im = getattr(self, "gradient_" + mode).copy() + color = "white" + + self.assert_9points_paste( + im, + color, + self.gradient_RGBa, + [ + (255, 63, 126, 63), + (47, 143, 142, 46), + (126, 253, 126, 255), + (15, 15, 47, 47), + (63, 63, 62, 63), + (142, 141, 46, 47), + (255, 255, 255, 0), + (48, 15, 15, 47), + (126, 63, 255, 63), + ], + ) def test_different_sizes(self): - im = Image.new('RGB', (100, 100)) - im2 = Image.new('RGB', (50, 50)) + im = Image.new("RGB", (100, 100)) + im2 = Image.new("RGB", (50, 50)) im.copy().paste(im2) im.copy().paste(im2, (0, 0)) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_point.py b/Tests/test_image_point.py index 977e98e83d4..366f458544f 100644 --- a/Tests/test_image_point.py +++ b/Tests/test_image_point.py @@ -1,44 +1,48 @@ -from helper import unittest, PillowTestCase, hopper +import pytest +from .helper import assert_image_equal, hopper -class TestImagePoint(PillowTestCase): - def test_sanity(self): - im = hopper() +def test_sanity(): + im = hopper() - self.assertRaises(ValueError, im.point, list(range(256))) - im.point(list(range(256))*3) - im.point(lambda x: x) + with pytest.raises(ValueError): + im.point(list(range(256))) + im.point(list(range(256)) * 3) + im.point(lambda x: x) - im = im.convert("I") - self.assertRaises(ValueError, im.point, list(range(256))) - im.point(lambda x: x*1) - im.point(lambda x: x+1) - im.point(lambda x: x*1+1) - self.assertRaises(TypeError, im.point, lambda x: x-1) - self.assertRaises(TypeError, im.point, lambda x: x/1) + im = im.convert("I") + with pytest.raises(ValueError): + im.point(list(range(256))) + im.point(lambda x: x * 1) + im.point(lambda x: x + 1) + im.point(lambda x: x * 1 + 1) + with pytest.raises(TypeError): + im.point(lambda x: x - 1) + with pytest.raises(TypeError): + im.point(lambda x: x / 1) - def test_16bit_lut(self): - """ Tests for 16 bit -> 8 bit lut for converting I->L images - see https://github.com/python-pillow/Pillow/issues/440 - """ - im = hopper("I") - im.point(list(range(256))*256, 'L') - def test_f_lut(self): - """ Tests for floating point lut of 8bit gray image """ - im = hopper('L') - lut = [0.5 * float(x) for x in range(256)] +def test_16bit_lut(): + """Tests for 16 bit -> 8 bit lut for converting I->L images + see https://github.com/python-pillow/Pillow/issues/440 + """ + im = hopper("I") + im.point(list(range(256)) * 256, "L") - out = im.point(lut, 'F') - int_lut = [x//2 for x in range(256)] - self.assert_image_equal(out.convert('L'), im.point(int_lut, 'L')) +def test_f_lut(): + """Tests for floating point lut of 8bit gray image""" + im = hopper("L") + lut = [0.5 * float(x) for x in range(256)] - def test_f_mode(self): - im = hopper('F') - self.assertRaises(ValueError, im.point, None) + out = im.point(lut, "F") + int_lut = [x // 2 for x in range(256)] + assert_image_equal(out.convert("L"), im.point(int_lut, "L")) -if __name__ == '__main__': - unittest.main() + +def test_f_mode(): + im = hopper("F") + with pytest.raises(ValueError): + im.point(None) diff --git a/Tests/test_image_putalpha.py b/Tests/test_image_putalpha.py index 823e0612fe6..e2dcead34c5 100644 --- a/Tests/test_image_putalpha.py +++ b/Tests/test_image_putalpha.py @@ -1,50 +1,48 @@ -from helper import unittest, PillowTestCase - from PIL import Image -class TestImagePutAlpha(PillowTestCase): - - def test_interface(self): - - im = Image.new("RGBA", (1, 1), (1, 2, 3, 0)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 0)) +def test_interface(): + im = Image.new("RGBA", (1, 1), (1, 2, 3, 0)) + assert im.getpixel((0, 0)) == (1, 2, 3, 0) - im = Image.new("RGBA", (1, 1), (1, 2, 3)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 255)) + im = Image.new("RGBA", (1, 1), (1, 2, 3)) + assert im.getpixel((0, 0)) == (1, 2, 3, 255) - im.putalpha(Image.new("L", im.size, 4)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4)) + im.putalpha(Image.new("L", im.size, 4)) + assert im.getpixel((0, 0)) == (1, 2, 3, 4) - im.putalpha(5) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 5)) + im.putalpha(5) + assert im.getpixel((0, 0)) == (1, 2, 3, 5) - def test_promote(self): - im = Image.new("L", (1, 1), 1) - self.assertEqual(im.getpixel((0, 0)), 1) +def test_promote(): + im = Image.new("L", (1, 1), 1) + assert im.getpixel((0, 0)) == 1 - im.putalpha(2) - self.assertEqual(im.mode, 'LA') - self.assertEqual(im.getpixel((0, 0)), (1, 2)) + im.putalpha(2) + assert im.mode == "LA" + assert im.getpixel((0, 0)) == (1, 2) - im = Image.new("RGB", (1, 1), (1, 2, 3)) - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3)) + im = Image.new("P", (1, 1), 1) + assert im.getpixel((0, 0)) == 1 - im.putalpha(4) - self.assertEqual(im.mode, 'RGBA') - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4)) + im.putalpha(2) + assert im.mode == "PA" + assert im.getpixel((0, 0)) == (1, 2) - def test_readonly(self): + im = Image.new("RGB", (1, 1), (1, 2, 3)) + assert im.getpixel((0, 0)) == (1, 2, 3) - im = Image.new("RGB", (1, 1), (1, 2, 3)) - im.readonly = 1 + im.putalpha(4) + assert im.mode == "RGBA" + assert im.getpixel((0, 0)) == (1, 2, 3, 4) - im.putalpha(4) - self.assertFalse(im.readonly) - self.assertEqual(im.mode, 'RGBA') - self.assertEqual(im.getpixel((0, 0)), (1, 2, 3, 4)) +def test_readonly(): + im = Image.new("RGB", (1, 1), (1, 2, 3)) + im.readonly = 1 -if __name__ == '__main__': - unittest.main() + im.putalpha(4) + assert not im.readonly + assert im.mode == "RGBA" + assert im.getpixel((0, 0)) == (1, 2, 3, 4) diff --git a/Tests/test_image_putdata.py b/Tests/test_image_putdata.py index 1a7a6e7c78f..7e4bbaaec61 100644 --- a/Tests/test_image_putdata.py +++ b/Tests/test_image_putdata.py @@ -1,88 +1,112 @@ -from helper import unittest, PillowTestCase, hopper +import sys from array import array -import sys +import pytest from PIL import Image +from .helper import assert_image_equal, hopper + + +def test_sanity(): + im1 = hopper() + + data = list(im1.getdata()) + + im2 = Image.new(im1.mode, im1.size, 0) + im2.putdata(data) + + assert_image_equal(im1, im2) + + # readonly + im2 = Image.new(im1.mode, im2.size, 0) + im2.readonly = 1 + im2.putdata(data) + + assert not im2.readonly + assert_image_equal(im1, im2) + + +def test_long_integers(): + # see bug-200802-systemerror + def put(value): + im = Image.new("RGBA", (1, 1)) + im.putdata([value]) + return im.getpixel((0, 0)) + + assert put(0xFFFFFFFF) == (255, 255, 255, 255) + assert put(0xFFFFFFFF) == (255, 255, 255, 255) + assert put(-1) == (255, 255, 255, 255) + assert put(-1) == (255, 255, 255, 255) + if sys.maxsize > 2 ** 32: + assert put(sys.maxsize) == (255, 255, 255, 255) + else: + assert put(sys.maxsize) == (255, 255, 255, 127) -class TestImagePutData(PillowTestCase): - def test_sanity(self): +def test_pypy_performance(): + im = Image.new("L", (256, 256)) + im.putdata(list(range(256)) * 256) - im1 = hopper() - data = list(im1.getdata()) +def test_mode_with_L_with_float(): + im = Image.new("L", (1, 1), 0) + im.putdata([2.0]) + assert im.getpixel((0, 0)) == 2 - im2 = Image.new(im1.mode, im1.size, 0) - im2.putdata(data) - self.assert_image_equal(im1, im2) +def test_mode_i(): + src = hopper("L") + data = list(src.getdata()) + im = Image.new("I", src.size, 0) + im.putdata(data, 2, 256) - # readonly - im2 = Image.new(im1.mode, im2.size, 0) - im2.readonly = 1 - im2.putdata(data) + target = [2 * elt + 256 for elt in data] + assert list(im.getdata()) == target - self.assertFalse(im2.readonly) - self.assert_image_equal(im1, im2) - def test_long_integers(self): - # see bug-200802-systemerror - def put(value): - im = Image.new("RGBA", (1, 1)) - im.putdata([value]) - return im.getpixel((0, 0)) - self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255)) - self.assertEqual(put(0xFFFFFFFF), (255, 255, 255, 255)) - self.assertEqual(put(-1), (255, 255, 255, 255)) - self.assertEqual(put(-1), (255, 255, 255, 255)) - if sys.maxsize > 2**32: - self.assertEqual(put(sys.maxsize), (255, 255, 255, 255)) - else: - self.assertEqual(put(sys.maxsize), (255, 255, 255, 127)) +def test_mode_F(): + src = hopper("L") + data = list(src.getdata()) + im = Image.new("F", src.size, 0) + im.putdata(data, 2.0, 256.0) - def test_pypy_performance(self): - im = Image.new('L', (256, 256)) - im.putdata(list(range(256))*256) + target = [2.0 * float(elt) + 256.0 for elt in data] + assert list(im.getdata()) == target - def test_mode_i(self): - src = hopper('L') - data = list(src.getdata()) - im = Image.new('I', src.size, 0) - im.putdata(data, 2, 256) - target = [2 * elt + 256 for elt in data] - self.assertEqual(list(im.getdata()), target) +def test_array_B(): + # shouldn't segfault + # see https://github.com/python-pillow/Pillow/issues/1008 - def test_mode_F(self): - src = hopper('L') - data = list(src.getdata()) - im = Image.new('F', src.size, 0) - im.putdata(data, 2.0, 256.0) + arr = array("B", [0]) * 15000 + im = Image.new("L", (150, 100)) + im.putdata(arr) - target = [2.0 * float(elt) + 256.0 for elt in data] - self.assertEqual(list(im.getdata()), target) + assert len(im.getdata()) == len(arr) - def test_array_B(self): - # shouldn't segfault - # see https://github.com/python-pillow/Pillow/issues/1008 - arr = array('B', [0])*15000 - im = Image.new('L', (150, 100)) - im.putdata(arr) +def test_array_F(): + # shouldn't segfault + # see https://github.com/python-pillow/Pillow/issues/1008 - self.assertEqual(len(im.getdata()), len(arr)) + im = Image.new("F", (150, 100)) + arr = array("f", [0.0]) * 15000 + im.putdata(arr) - def test_array_F(self): - # shouldn't segfault - # see https://github.com/python-pillow/Pillow/issues/1008 + assert len(im.getdata()) == len(arr) - im = Image.new('F', (150, 100)) - arr = array('f', [0.0])*15000 - im.putdata(arr) - self.assertEqual(len(im.getdata()), len(arr)) +def test_not_flattened(): + im = Image.new("L", (1, 1)) + with pytest.raises(TypeError): + im.putdata([[0]]) + with pytest.raises(TypeError): + im.putdata([[0]], 2) -if __name__ == '__main__': - unittest.main() + with pytest.raises(TypeError): + im = Image.new("I", (1, 1)) + im.putdata([[0]]) + with pytest.raises(TypeError): + im = Image.new("F", (1, 1)) + im.putdata([[0]]) diff --git a/Tests/test_image_putpalette.py b/Tests/test_image_putpalette.py index e173f000081..012a57a0999 100644 --- a/Tests/test_image_putpalette.py +++ b/Tests/test_image_putpalette.py @@ -1,34 +1,64 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import ImagePalette - - -class TestImagePutPalette(PillowTestCase): - - def test_putpalette(self): - def palette(mode): - im = hopper(mode).copy() - im.putpalette(list(range(256))*3) - p = im.getpalette() - if p: - return im.mode, p[:10] - return im.mode - self.assertRaises(ValueError, palette, "1") - self.assertEqual(palette("L"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])) - self.assertEqual(palette("P"), ("P", [0, 1, 2, 3, 4, 5, 6, 7, 8, 9])) - self.assertRaises(ValueError, palette, "I") - self.assertRaises(ValueError, palette, "F") - self.assertRaises(ValueError, palette, "RGB") - self.assertRaises(ValueError, palette, "RGBA") - self.assertRaises(ValueError, palette, "YCbCr") - - def test_imagepalette(self): - im = hopper("P") - im.putpalette(ImagePalette.negative()) - im.putpalette(ImagePalette.random()) - im.putpalette(ImagePalette.sepia()) - im.putpalette(ImagePalette.wedge()) - - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImagePalette + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + + +def test_putpalette(): + def palette(mode): + im = hopper(mode).copy() + im.putpalette(list(range(256)) * 3) + p = im.getpalette() + if p: + return im.mode, p[:10] + return im.mode + + with pytest.raises(ValueError): + palette("1") + for mode in ["L", "LA", "P", "PA"]: + assert palette(mode) == ( + "PA" if "A" in mode else "P", + [0, 1, 2, 3, 4, 5, 6, 7, 8, 9], + ) + with pytest.raises(ValueError): + palette("I") + with pytest.raises(ValueError): + palette("F") + with pytest.raises(ValueError): + palette("RGB") + with pytest.raises(ValueError): + palette("RGBA") + with pytest.raises(ValueError): + palette("YCbCr") + + +def test_imagepalette(): + im = hopper("P") + im.putpalette(ImagePalette.negative()) + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/palette_negative.png") + + im.putpalette(ImagePalette.random()) + + im.putpalette(ImagePalette.sepia()) + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/palette_sepia.png") + + im.putpalette(ImagePalette.wedge()) + assert_image_equal_tofile(im.convert("RGB"), "Tests/images/palette_wedge.png") + + +def test_putpalette_with_alpha_values(): + with Image.open("Tests/images/transparent.gif") as im: + expected = im.convert("RGBA") + + palette = im.getpalette() + transparency = im.info.pop("transparency") + + palette_with_alpha_values = [] + for i in range(256): + color = palette[i * 3 : i * 3 + 3] + alpha = 0 if i == transparency else 255 + palette_with_alpha_values += color + [alpha] + im.putpalette(palette_with_alpha_values, "RGBA") + + assert_image_equal(im.convert("RGBA"), expected) diff --git a/Tests/test_image_quantize.py b/Tests/test_image_quantize.py index d9f52fb0398..53b6c900793 100644 --- a/Tests/test_image_quantize.py +++ b/Tests/test_image_quantize.py @@ -1,52 +1,111 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import assert_image_similar, hopper, is_ppc64le -class TestImageQuantize(PillowTestCase): - - def test_sanity(self): - image = hopper() - converted = image.quantize() - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 10) - - image = hopper() - converted = image.quantize(palette=hopper('P')) - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 60) - - def test_libimagequant_quantize(self): - image = hopper() - try: - converted = image.quantize(100, Image.LIBIMAGEQUANT) - except ValueError as ex: - if 'dependency' in str(ex).lower(): - self.skipTest('libimagequant support not available') - else: - raise - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 15) - assert len(converted.getcolors()) == 100 - - def test_octree_quantize(self): - image = hopper() - converted = image.quantize(100, Image.FASTOCTREE) - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 20) - assert len(converted.getcolors()) == 100 - - def test_rgba_quantize(self): - image = hopper('RGBA') - image.quantize() - self.assertRaises(Exception, image.quantize, method=0) - - def test_quantize(self): - image = Image.open('Tests/images/caption_6_33_22.png').convert('RGB') - converted = image.quantize() - self.assert_image(converted, 'P', converted.size) - self.assert_image_similar(converted.convert('RGB'), image, 1) - - -if __name__ == '__main__': - unittest.main() + +def test_sanity(): + image = hopper() + converted = image.quantize() + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 10) + + image = hopper() + converted = image.quantize(palette=hopper("P")) + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 60) + + +@pytest.mark.xfail(is_ppc64le(), reason="failing on ppc64le on GHA") +def test_libimagequant_quantize(): + image = hopper() + try: + converted = image.quantize(100, Image.LIBIMAGEQUANT) + except ValueError as ex: # pragma: no cover + if "dependency" in str(ex).lower(): + pytest.skip("libimagequant support not available") + else: + raise + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 15) + assert len(converted.getcolors()) == 100 + + +def test_octree_quantize(): + image = hopper() + converted = image.quantize(100, Image.FASTOCTREE) + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 20) + assert len(converted.getcolors()) == 100 + + +def test_rgba_quantize(): + image = hopper("RGBA") + with pytest.raises(ValueError): + image.quantize(method=0) + + assert image.quantize().convert().mode == "RGBA" + + +def test_quantize(): + with Image.open("Tests/images/caption_6_33_22.png") as image: + image = image.convert("RGB") + converted = image.quantize() + assert converted.mode == "P" + assert_image_similar(converted.convert("RGB"), image, 1) + + +def test_quantize_no_dither(): + image = hopper() + with Image.open("Tests/images/caption_6_33_22.png") as palette: + palette = palette.convert("P") + + converted = image.quantize(dither=0, palette=palette) + assert converted.mode == "P" + assert converted.palette.palette == palette.palette.palette + + +def test_quantize_dither_diff(): + image = hopper() + with Image.open("Tests/images/caption_6_33_22.png") as palette: + palette = palette.convert("P") + + dither = image.quantize(dither=1, palette=palette) + nodither = image.quantize(dither=0, palette=palette) + + assert dither.tobytes() != nodither.tobytes() + + +def test_colors(): + im = hopper() + colors = 2 + converted = im.quantize(colors) + assert len(converted.palette.palette) == colors * len("RGB") + + +def test_transparent_colors_equal(): + im = Image.new("RGBA", (1, 2), (0, 0, 0, 0)) + px = im.load() + px[0, 1] = (255, 255, 255, 0) + + converted = im.quantize() + converted_px = converted.load() + assert converted_px[0, 0] == converted_px[0, 1] + + +@pytest.mark.parametrize( + "method, color", + ( + (Image.MEDIANCUT, (0, 0, 0)), + (Image.MAXCOVERAGE, (0, 0, 0)), + (Image.FASTOCTREE, (0, 0, 0)), + (Image.FASTOCTREE, (0, 0, 0, 0)), + ), +) +def test_palette(method, color): + im = Image.new("RGBA" if len(color) == 4 else "RGB", (1, 1), color) + + converted = im.quantize(method=method) + converted_px = converted.load() + assert converted_px[0, 0] == converted.palette.colors[color] diff --git a/Tests/test_image_reduce.py b/Tests/test_image_reduce.py new file mode 100644 index 00000000000..b4eebc14218 --- /dev/null +++ b/Tests/test_image_reduce.py @@ -0,0 +1,260 @@ +import pytest + +from PIL import Image, ImageMath, ImageMode + +from .helper import convert_to_comparable, skip_unless_feature + +codecs = dir(Image.core) + + +# There are several internal implementations +remarkable_factors = [ + # special implementations + 1, + 2, + 3, + 4, + 5, + 6, + # 1xN implementation + (1, 2), + (1, 3), + (1, 4), + (1, 7), + # Nx1 implementation + (2, 1), + (3, 1), + (4, 1), + (7, 1), + # general implementation with different paths + (4, 6), + (5, 6), + (4, 7), + (5, 7), + (19, 17), +] + +gradients_image = Image.open("Tests/images/radial_gradients.png") +gradients_image.load() + + +def test_args_factor(): + im = Image.new("L", (10, 10)) + + assert (4, 4) == im.reduce(3).size + assert (4, 10) == im.reduce((3, 1)).size + assert (10, 4) == im.reduce((1, 3)).size + + with pytest.raises(ValueError): + im.reduce(0) + with pytest.raises(TypeError): + im.reduce(2.0) + with pytest.raises(ValueError): + im.reduce((0, 10)) + + +def test_args_box(): + im = Image.new("L", (10, 10)) + + assert (5, 5) == im.reduce(2, (0, 0, 10, 10)).size + assert (1, 1) == im.reduce(2, (5, 5, 6, 6)).size + + with pytest.raises(TypeError): + im.reduce(2, "stri") + with pytest.raises(TypeError): + im.reduce(2, 2) + with pytest.raises(ValueError): + im.reduce(2, (0, 0, 11, 10)) + with pytest.raises(ValueError): + im.reduce(2, (0, 0, 10, 11)) + with pytest.raises(ValueError): + im.reduce(2, (-1, 0, 10, 10)) + with pytest.raises(ValueError): + im.reduce(2, (0, -1, 10, 10)) + with pytest.raises(ValueError): + im.reduce(2, (0, 5, 10, 5)) + with pytest.raises(ValueError): + im.reduce(2, (5, 0, 5, 10)) + + +def test_unsupported_modes(): + im = Image.new("P", (10, 10)) + with pytest.raises(ValueError): + im.reduce(3) + + im = Image.new("1", (10, 10)) + with pytest.raises(ValueError): + im.reduce(3) + + im = Image.new("I;16", (10, 10)) + with pytest.raises(ValueError): + im.reduce(3) + + +def get_image(mode): + mode_info = ImageMode.getmode(mode) + if mode_info.basetype == "L": + bands = [gradients_image] + for _ in mode_info.bands[1:]: + # rotate previous image + band = bands[-1].transpose(Image.ROTATE_90) + bands.append(band) + # Correct alpha channel by transforming completely transparent pixels. + # Low alpha values also emphasize error after alpha multiplication. + if mode.endswith("A"): + bands[-1] = bands[-1].point(lambda x: int(85 + x / 1.5)) + im = Image.merge(mode, bands) + else: + assert len(mode_info.bands) == 1 + im = gradients_image.convert(mode) + # change the height to make a not-square image + return im.crop((0, 0, im.width, im.height - 5)) + + +def compare_reduce_with_box(im, factor): + box = (11, 13, 146, 164) + reduced = im.reduce(factor, box=box) + reference = im.crop(box).reduce(factor) + assert reduced == reference + + +def compare_reduce_with_reference(im, factor, average_diff=0.4, max_diff=1): + """Image.reduce() should look very similar to Image.resize(BOX). + + A reference image is compiled from a large source area + and possible last column and last row. + +-----------+ + |..........c| + |..........c| + |..........c| + |rrrrrrrrrrp| + +-----------+ + """ + reduced = im.reduce(factor) + + if not isinstance(factor, (list, tuple)): + factor = (factor, factor) + + reference = Image.new(im.mode, reduced.size) + area_size = (im.size[0] // factor[0], im.size[1] // factor[1]) + area_box = (0, 0, area_size[0] * factor[0], area_size[1] * factor[1]) + area = im.resize(area_size, Image.BOX, area_box) + reference.paste(area, (0, 0)) + + if area_size[0] < reduced.size[0]: + assert reduced.size[0] - area_size[0] == 1 + last_column_box = (area_box[2], 0, im.size[0], area_box[3]) + last_column = im.resize((1, area_size[1]), Image.BOX, last_column_box) + reference.paste(last_column, (area_size[0], 0)) + + if area_size[1] < reduced.size[1]: + assert reduced.size[1] - area_size[1] == 1 + last_row_box = (0, area_box[3], area_box[2], im.size[1]) + last_row = im.resize((area_size[0], 1), Image.BOX, last_row_box) + reference.paste(last_row, (0, area_size[1])) + + if area_size[0] < reduced.size[0] and area_size[1] < reduced.size[1]: + last_pixel_box = (area_box[2], area_box[3], im.size[0], im.size[1]) + last_pixel = im.resize((1, 1), Image.BOX, last_pixel_box) + reference.paste(last_pixel, area_size) + + assert_compare_images(reduced, reference, average_diff, max_diff) + + +def assert_compare_images(a, b, max_average_diff, max_diff=255): + assert a.mode == b.mode, f"got mode {repr(a.mode)}, expected {repr(b.mode)}" + assert a.size == b.size, f"got size {repr(a.size)}, expected {repr(b.size)}" + + a, b = convert_to_comparable(a, b) + + bands = ImageMode.getmode(a.mode).bands + for band, ach, bch in zip(bands, a.split(), b.split()): + ch_diff = ImageMath.eval("convert(abs(a - b), 'L')", a=ach, b=bch) + ch_hist = ch_diff.histogram() + + average_diff = sum(i * num for i, num in enumerate(ch_hist)) / ( + a.size[0] * a.size[1] + ) + msg = ( + f"average pixel value difference {average_diff:.4f} > " + f"expected {max_average_diff:.4f} for '{band}' band" + ) + assert max_average_diff >= average_diff, msg + + last_diff = [i for i, num in enumerate(ch_hist) if num > 0][-1] + assert max_diff >= last_diff, ( + f"max pixel value difference {last_diff} > expected {max_diff} " + f"for '{band}' band" + ) + + +def test_mode_L(): + im = get_image("L") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_LA(): + im = get_image("LA") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor, 0.8, 5) + + # With opaque alpha, an error should be way smaller. + im.putalpha(Image.new("L", im.size, 255)) + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_La(): + im = get_image("La") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_RGB(): + im = get_image("RGB") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_RGBA(): + im = get_image("RGBA") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor, 0.8, 5) + + # With opaque alpha, an error should be way smaller. + im.putalpha(Image.new("L", im.size, 255)) + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_RGBa(): + im = get_image("RGBa") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_I(): + im = get_image("I") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor) + compare_reduce_with_box(im, factor) + + +def test_mode_F(): + im = get_image("F") + for factor in remarkable_factors: + compare_reduce_with_reference(im, factor, 0, 0) + compare_reduce_with_box(im, factor) + + +@skip_unless_feature("jpg_2000") +def test_jpeg2k(): + with Image.open("Tests/images/test-card-lossless.jp2") as im: + assert im.reduce(2).size == (320, 240) diff --git a/Tests/test_image_resample.py b/Tests/test_image_resample.py index ee5a062c652..8bf2ce916dd 100644 --- a/Tests/test_image_resample.py +++ b/Tests/test_image_resample.py @@ -1,20 +1,30 @@ -from __future__ import division, print_function - from contextlib import contextmanager -from helper import unittest, PillowTestCase, hopper +import pytest + from PIL import Image, ImageDraw +from .helper import ( + assert_image_equal, + assert_image_similar, + hopper, + mark_if_feature_version, +) + -class TestImagingResampleVulnerability(PillowTestCase): +class TestImagingResampleVulnerability: # see https://github.com/python-pillow/Pillow/issues/1710 def test_overflow(self): - im = hopper('L') - xsize = 0x100000008 // 4 - ysize = 1000 # unimportant - with self.assertRaises(MemoryError): - # any resampling filter will do here - im.im.resize((xsize, ysize), Image.BILINEAR) + im = hopper("L") + size_too_large = 0x100000008 // 4 + size_normal = 1000 # unimportant + for xsize, ysize in ( + (size_too_large, size_normal), + (size_normal, size_too_large), + ): + with pytest.raises(MemoryError): + # any resampling filter will do here + im.im.resize((xsize, ysize), Image.BILINEAR) def test_invalid_size(self): im = hopper() @@ -22,23 +32,23 @@ def test_invalid_size(self): # Should not crash im.resize((100, 100)) - with self.assertRaises(ValueError): + with pytest.raises(ValueError): im.resize((-100, 100)) - with self.assertRaises(ValueError): + with pytest.raises(ValueError): im.resize((100, -100)) def test_modify_after_resizing(self): - im = hopper('RGB') + im = hopper("RGB") # get copy with same size copy = im.resize(im.size) # some in-place operation - copy.paste('black', (0, 0, im.width // 2, im.height // 2)) + copy.paste("black", (0, 0, im.width // 2, im.height // 2)) # image should be different - self.assertNotEqual(im.tobytes(), copy.tobytes()) + assert im.tobytes() != copy.tobytes() -class TestImagingCoreResampleAccuracy(PillowTestCase): +class TestImagingCoreResampleAccuracy: def make_case(self, mode, size, color): """Makes a sample image with two dark and two bright squares. For example: @@ -47,7 +57,7 @@ def make_case(self, mode, size, color): 1f 1f e0 e0 1f 1f e0 e0 """ - case = Image.new('L', size, 255 - color) + case = Image.new("L", size, 255 - color) rectangle = ImageDraw.Draw(case).rectangle rectangle((0, 0, size[0] // 2 - 1, size[1] // 2 - 1), color) rectangle((size[0] // 2, size[1] // 2, size[0], size[1]), color) @@ -58,13 +68,13 @@ def make_sample(self, data, size): """Restores a sample image from given data string which contains hex-encoded pixels from the top left fourth of a sample. """ - data = data.replace(' ', '') - sample = Image.new('L', size) + data = data.replace(" ", "") + sample = Image.new("L", size) s_px = sample.load() w, h = size[0] // 2, size[1] // 2 for y in range(h): for x in range(w): - val = int(data[(y * w + x) * 2:(y * w + x + 1) * 2], 16) + val = int(data[(y * w + x) * 2 : (y * w + x + 1) * 2], 16) s_px[x, y] = val s_px[size[0] - x - 1, size[1] - y - 1] = val s_px[x, size[1] - y - 1] = 255 - val @@ -77,126 +87,148 @@ def check_case(self, case, sample): for y in range(case.size[1]): for x in range(case.size[0]): if c_px[x, y] != s_px[x, y]: - message = '\nHave: \n{}\n\nExpected: \n{}'.format( - self.serialize_image(case), - self.serialize_image(sample), + message = ( + f"\nHave: \n{self.serialize_image(case)}\n" + f"\nExpected: \n{self.serialize_image(sample)}" ) - self.assertEqual(s_px[x, y], c_px[x, y], message) + assert s_px[x, y] == c_px[x, y], message def serialize_image(self, image): s_px = image.load() - return '\n'.join( - ' '.join( - '{:02x}'.format(s_px[x, y]) - for x in range(image.size[0]) - ) + return "\n".join( + " ".join(f"{s_px[x, y]:02x}" for x in range(image.size[0])) for y in range(image.size[1]) ) def test_reduce_box(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (8, 8), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (8, 8), 0xE1) case = case.resize((4, 4), Image.BOX) - data = ('e1 e1' - 'e1 e1') + # fmt: off + data = ("e1 e1" + "e1 e1") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_reduce_bilinear(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (8, 8), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (8, 8), 0xE1) case = case.resize((4, 4), Image.BILINEAR) - data = ('e1 c9' - 'c9 b7') + # fmt: off + data = ("e1 c9" + "c9 b7") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_reduce_hamming(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (8, 8), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (8, 8), 0xE1) case = case.resize((4, 4), Image.HAMMING) - data = ('e1 da' - 'da d3') + # fmt: off + data = ("e1 da" + "da d3") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_reduce_bicubic(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (12, 12), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (12, 12), 0xE1) case = case.resize((6, 6), Image.BICUBIC) - data = ('e1 e3 d4' - 'e3 e5 d6' - 'd4 d6 c9') + # fmt: off + data = ("e1 e3 d4" + "e3 e5 d6" + "d4 d6 c9") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (6, 6))) def test_reduce_lanczos(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (16, 16), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (16, 16), 0xE1) case = case.resize((8, 8), Image.LANCZOS) - data = ('e1 e0 e4 d7' - 'e0 df e3 d6' - 'e4 e3 e7 da' - 'd7 d6 d9 ce') + # fmt: off + data = ("e1 e0 e4 d7" + "e0 df e3 d6" + "e4 e3 e7 da" + "d7 d6 d9 ce") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (8, 8))) def test_enlarge_box(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (2, 2), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (2, 2), 0xE1) case = case.resize((4, 4), Image.BOX) - data = ('e1 e1' - 'e1 e1') + # fmt: off + data = ("e1 e1" + "e1 e1") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_enlarge_bilinear(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (2, 2), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (2, 2), 0xE1) case = case.resize((4, 4), Image.BILINEAR) - data = ('e1 b0' - 'b0 98') + # fmt: off + data = ("e1 b0" + "b0 98") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_enlarge_hamming(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (2, 2), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (2, 2), 0xE1) case = case.resize((4, 4), Image.HAMMING) - data = ('e1 d2' - 'd2 c5') + # fmt: off + data = ("e1 d2" + "d2 c5") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (4, 4))) def test_enlarge_bicubic(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (4, 4), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (4, 4), 0xE1) case = case.resize((8, 8), Image.BICUBIC) - data = ('e1 e5 ee b9' - 'e5 e9 f3 bc' - 'ee f3 fd c1' - 'b9 bc c1 a2') + # fmt: off + data = ("e1 e5 ee b9" + "e5 e9 f3 bc" + "ee f3 fd c1" + "b9 bc c1 a2") + # fmt: on for channel in case.split(): self.check_case(channel, self.make_sample(data, (8, 8))) def test_enlarge_lanczos(self): - for mode in ['RGBX', 'RGB', 'La', 'L']: - case = self.make_case(mode, (6, 6), 0xe1) + for mode in ["RGBX", "RGB", "La", "L"]: + case = self.make_case(mode, (6, 6), 0xE1) case = case.resize((12, 12), Image.LANCZOS) - data = ('e1 e0 db ed f5 b8' - 'e0 df da ec f3 b7' - 'db db d6 e7 ee b5' - 'ed ec e6 fb ff bf' - 'f5 f4 ee ff ff c4' - 'b8 b7 b4 bf c4 a0') + data = ( + "e1 e0 db ed f5 b8" + "e0 df da ec f3 b7" + "db db d6 e7 ee b5" + "ed ec e6 fb ff bf" + "f5 f4 ee ff ff c4" + "b8 b7 b4 bf c4 a0" + ) for channel in case.split(): self.check_case(channel, self.make_sample(data, (12, 12))) + def test_box_filter_correct_range(self): + im = Image.new("RGB", (8, 8), "#1688ff").resize((100, 100), Image.BOX) + ref = Image.new("RGB", (100, 100), "#1688ff") + assert_image_equal(im, ref) -class CoreResampleConsistencyTest(PillowTestCase): + +class TestCoreResampleConsistency: def make_case(self, mode, fill): im = Image.new(mode, (512, 9), fill) - return (im.resize((9, 512), Image.LANCZOS), im.load()[0, 0]) + return im.resize((9, 512), Image.LANCZOS), im.load()[0, 0] def run_case(self, case): channel, color = case @@ -204,32 +236,31 @@ def run_case(self, case): for x in range(channel.size[0]): for y in range(channel.size[1]): if px[x, y] != color: - message = "{} != {} for pixel {}".format( - px[x, y], color, (x, y)) - self.assertEqual(px[x, y], color, message) + message = f"{px[x, y]} != {color} for pixel {(x, y)}" + assert px[x, y] == color, message def test_8u(self): - im, color = self.make_case('RGB', (0, 64, 255)) + im, color = self.make_case("RGB", (0, 64, 255)) r, g, b = im.split() self.run_case((r, color[0])) self.run_case((g, color[1])) self.run_case((b, color[2])) - self.run_case(self.make_case('L', 12)) + self.run_case(self.make_case("L", 12)) def test_32i(self): - self.run_case(self.make_case('I', 12)) - self.run_case(self.make_case('I', 0x7fffffff)) - self.run_case(self.make_case('I', -12)) - self.run_case(self.make_case('I', -1 << 31)) + self.run_case(self.make_case("I", 12)) + self.run_case(self.make_case("I", 0x7FFFFFFF)) + self.run_case(self.make_case("I", -12)) + self.run_case(self.make_case("I", -1 << 31)) def test_32f(self): - self.run_case(self.make_case('F', 1)) - self.run_case(self.make_case('F', 3.40282306074e+38)) - self.run_case(self.make_case('F', 1.175494e-38)) - self.run_case(self.make_case('F', 1.192093e-07)) + self.run_case(self.make_case("F", 1)) + self.run_case(self.make_case("F", 3.40282306074e38)) + self.run_case(self.make_case("F", 1.175494e-38)) + self.run_case(self.make_case("F", 1.192093e-07)) -class CoreResampleAlphaCorrectTest(PillowTestCase): +class TestCoreResampleAlphaCorrect: def make_levels_case(self, mode): i = Image.new(mode, (256, 16)) px = i.load() @@ -244,22 +275,23 @@ def run_levels_case(self, i): px = i.load() for y in range(i.size[1]): used_colors = {px[x, y][0] for x in range(i.size[0])} - self.assertEqual(256, len(used_colors), - 'All colors should present in resized image. ' - 'Only {} on {} line.'.format(len(used_colors), y)) + assert 256 == len(used_colors), ( + "All colors should be present in resized image. " + f"Only {len(used_colors)} on {y} line." + ) - @unittest.skip("current implementation isn't precise enough") + @pytest.mark.xfail(reason="Current implementation isn't precise enough") def test_levels_rgba(self): - case = self.make_levels_case('RGBA') + case = self.make_levels_case("RGBA") self.run_levels_case(case.resize((512, 32), Image.BOX)) self.run_levels_case(case.resize((512, 32), Image.BILINEAR)) self.run_levels_case(case.resize((512, 32), Image.HAMMING)) self.run_levels_case(case.resize((512, 32), Image.BICUBIC)) self.run_levels_case(case.resize((512, 32), Image.LANCZOS)) - @unittest.skip("current implementation isn't precise enough") + @pytest.mark.xfail(reason="Current implementation isn't precise enough") def test_levels_la(self): - case = self.make_levels_case('LA') + case = self.make_levels_case("LA") self.run_levels_case(case.resize((512, 32), Image.BOX)) self.run_levels_case(case.resize((512, 32), Image.BILINEAR)) self.run_levels_case(case.resize((512, 32), Image.HAMMING)) @@ -281,12 +313,14 @@ def run_dirty_case(self, i, clean_pixel): for y in range(i.size[1]): for x in range(i.size[0]): if px[x, y][-1] != 0 and px[x, y][:-1] != clean_pixel: - message = 'pixel at ({}, {}) is differ:\n{}\n{}'\ - .format(x, y, px[x, y], clean_pixel) - self.assertEqual(px[x, y][:3], clean_pixel, message) + message = ( + f"pixel at ({x}, {y}) is different:\n" + f"{px[x, y]}\n{clean_pixel}" + ) + assert px[x, y][:3] == clean_pixel, message def test_dirty_pixels_rgba(self): - case = self.make_dirty_case('RGBA', (255, 255, 0, 128), (0, 0, 255, 0)) + case = self.make_dirty_case("RGBA", (255, 255, 0, 128), (0, 0, 255, 0)) self.run_dirty_case(case.resize((20, 20), Image.BOX), (255, 255, 0)) self.run_dirty_case(case.resize((20, 20), Image.BILINEAR), (255, 255, 0)) self.run_dirty_case(case.resize((20, 20), Image.HAMMING), (255, 255, 0)) @@ -294,7 +328,7 @@ def test_dirty_pixels_rgba(self): self.run_dirty_case(case.resize((20, 20), Image.LANCZOS), (255, 255, 0)) def test_dirty_pixels_la(self): - case = self.make_dirty_case('LA', (255, 128), (0, 0)) + case = self.make_dirty_case("LA", (255, 128), (0, 0)) self.run_dirty_case(case.resize((20, 20), Image.BOX), (255,)) self.run_dirty_case(case.resize((20, 20), Image.BILINEAR), (255,)) self.run_dirty_case(case.resize((20, 20), Image.HAMMING), (255,)) @@ -302,105 +336,112 @@ def test_dirty_pixels_la(self): self.run_dirty_case(case.resize((20, 20), Image.LANCZOS), (255,)) -class CoreResamplePassesTest(PillowTestCase): +class TestCoreResamplePasses: @contextmanager def count(self, diff): - count = Image.core.get_stats()['new_count'] + count = Image.core.get_stats()["new_count"] yield - self.assertEqual(Image.core.get_stats()['new_count'] - count, diff) + assert Image.core.get_stats()["new_count"] - count == diff def test_horizontal(self): - im = hopper('L') + im = hopper("L") with self.count(1): im.resize((im.size[0] - 10, im.size[1]), Image.BILINEAR) def test_vertical(self): - im = hopper('L') + im = hopper("L") with self.count(1): im.resize((im.size[0], im.size[1] - 10), Image.BILINEAR) def test_both(self): - im = hopper('L') + im = hopper("L") with self.count(2): im.resize((im.size[0] - 10, im.size[1] - 10), Image.BILINEAR) def test_box_horizontal(self): - im = hopper('L') + im = hopper("L") box = (20, 0, im.size[0] - 20, im.size[1]) with self.count(1): # the same size, but different box with_box = im.resize(im.size, Image.BILINEAR, box) with self.count(2): cropped = im.crop(box).resize(im.size, Image.BILINEAR) - self.assert_image_similar(with_box, cropped, 0.1) + assert_image_similar(with_box, cropped, 0.1) def test_box_vertical(self): - im = hopper('L') + im = hopper("L") box = (0, 20, im.size[0], im.size[1] - 20) with self.count(1): # the same size, but different box with_box = im.resize(im.size, Image.BILINEAR, box) with self.count(2): cropped = im.crop(box).resize(im.size, Image.BILINEAR) - self.assert_image_similar(with_box, cropped, 0.1) + assert_image_similar(with_box, cropped, 0.1) -class CoreResampleCoefficientsTest(PillowTestCase): +class TestCoreResampleCoefficients: def test_reduce(self): test_color = 254 - # print() for size in range(400000, 400010, 2): - # print(size) - i = Image.new('L', (size, 1), 0) + i = Image.new("L", (size, 1), 0) draw = ImageDraw.Draw(i) draw.rectangle((0, 0, i.size[0] // 2 - 1, 0), test_color) px = i.resize((5, i.size[1]), Image.BICUBIC).load() if px[2, 0] != test_color // 2: - self.assertEqual(test_color // 2, px[2, 0]) - # print('>', size, test_color // 2, px[2, 0]) + assert test_color // 2 == px[2, 0] def test_nonzero_coefficients(self): # regression test for the wrong coefficients calculation # due to bug https://github.com/python-pillow/Pillow/issues/2161 - im = Image.new('RGBA', (1280, 1280), (0x20, 0x40, 0x60, 0xff)) + im = Image.new("RGBA", (1280, 1280), (0x20, 0x40, 0x60, 0xFF)) histogram = im.resize((256, 256), Image.BICUBIC).histogram() - self.assertEqual(histogram[0x100 * 0 + 0x20], 0x10000) # first channel - self.assertEqual(histogram[0x100 * 1 + 0x40], 0x10000) # second channel - self.assertEqual(histogram[0x100 * 2 + 0x60], 0x10000) # third channel - self.assertEqual(histogram[0x100 * 3 + 0xff], 0x10000) # fourth channel + # first channel + assert histogram[0x100 * 0 + 0x20] == 0x10000 + # second channel + assert histogram[0x100 * 1 + 0x40] == 0x10000 + # third channel + assert histogram[0x100 * 2 + 0x60] == 0x10000 + # fourth channel + assert histogram[0x100 * 3 + 0xFF] == 0x10000 -class CoreResampleBoxTest(PillowTestCase): +class TestCoreResampleBox: def test_wrong_arguments(self): im = hopper() - for resample in (Image.NEAREST, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS): + for resample in ( + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ): im.resize((32, 32), resample, (0, 0, im.width, im.height)) im.resize((32, 32), resample, (20, 20, im.width, im.height)) im.resize((32, 32), resample, (20, 20, 20, 100)) im.resize((32, 32), resample, (20, 20, 100, 20)) - with self.assertRaisesRegexp(TypeError, "must be sequence of length 4"): + with pytest.raises(TypeError, match="must be sequence of length 4"): im.resize((32, 32), resample, (im.width, im.height)) - with self.assertRaisesRegexp(ValueError, "can't be negative"): + with pytest.raises(ValueError, match="can't be negative"): im.resize((32, 32), resample, (-20, 20, 100, 100)) - with self.assertRaisesRegexp(ValueError, "can't be negative"): + with pytest.raises(ValueError, match="can't be negative"): im.resize((32, 32), resample, (20, -20, 100, 100)) - with self.assertRaisesRegexp(ValueError, "can't be empty"): + with pytest.raises(ValueError, match="can't be empty"): im.resize((32, 32), resample, (20.1, 20, 20, 100)) - with self.assertRaisesRegexp(ValueError, "can't be empty"): + with pytest.raises(ValueError, match="can't be empty"): im.resize((32, 32), resample, (20, 20.1, 100, 20)) - with self.assertRaisesRegexp(ValueError, "can't be empty"): + with pytest.raises(ValueError, match="can't be empty"): im.resize((32, 32), resample, (20.1, 20.1, 20, 20)) - with self.assertRaisesRegexp(ValueError, "can't exceed"): + with pytest.raises(ValueError, match="can't exceed"): im.resize((32, 32), resample, (0, 0, im.width + 1, im.height)) - with self.assertRaisesRegexp(ValueError, "can't exceed"): + with pytest.raises(ValueError, match="can't exceed"): im.resize((32, 32), resample, (0, 0, im.width, im.height + 1)) def resize_tiled(self, im, dst_size, xtiles, ytiles): @@ -414,50 +455,54 @@ def split_range(size, tiles): for y0, y1 in split_range(dst_size[1], ytiles): for x0, x1 in split_range(dst_size[0], xtiles): - box = (x0 * scale[0], y0 * scale[1], - x1 * scale[0], y1 * scale[1]) + box = (x0 * scale[0], y0 * scale[1], x1 * scale[0], y1 * scale[1]) tile = im.resize((x1 - x0, y1 - y0), Image.BICUBIC, box) tiled.paste(tile, (x0, y0)) return tiled + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) def test_tiles(self): - im = Image.open("Tests/images/flower.jpg") - assert im.size == (480, 360) - dst_size = (251, 188) - reference = im.resize(dst_size, Image.BICUBIC) - - for tiles in [(1, 1), (3, 3), (9, 7), (100, 100)]: - tiled = self.resize_tiled(im, dst_size, *tiles) - self.assert_image_similar(reference, tiled, 0.01) - + with Image.open("Tests/images/flower.jpg") as im: + assert im.size == (480, 360) + dst_size = (251, 188) + reference = im.resize(dst_size, Image.BICUBIC) + + for tiles in [(1, 1), (3, 3), (9, 7), (100, 100)]: + tiled = self.resize_tiled(im, dst_size, *tiles) + assert_image_similar(reference, tiled, 0.01) + + @mark_if_feature_version( + pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing" + ) def test_subsample(self): # This test shows advantages of the subpixel resizing # after supersampling (e.g. during JPEG decoding). - im = Image.open("Tests/images/flower.jpg") - assert im.size == (480, 360) - dst_size = (48, 36) - # Reference is cropped image resized to destination - reference = im.crop((0, 0, 473, 353)).resize(dst_size, Image.BICUBIC) - # Image.BOX emulates supersampling (480 / 8 = 60, 360 / 8 = 45) - supersampled = im.resize((60, 45), Image.BOX) - - with_box = supersampled.resize(dst_size, Image.BICUBIC, - (0, 0, 59.125, 44.125)) + with Image.open("Tests/images/flower.jpg") as im: + assert im.size == (480, 360) + dst_size = (48, 36) + # Reference is cropped image resized to destination + reference = im.crop((0, 0, 473, 353)).resize(dst_size, Image.BICUBIC) + # Image.BOX emulates supersampling (480 / 8 = 60, 360 / 8 = 45) + supersampled = im.resize((60, 45), Image.BOX) + + with_box = supersampled.resize(dst_size, Image.BICUBIC, (0, 0, 59.125, 44.125)) without_box = supersampled.resize(dst_size, Image.BICUBIC) # error with box should be much smaller than without - self.assert_image_similar(reference, with_box, 6) - with self.assertRaisesRegexp(AssertionError, "difference 29\."): - self.assert_image_similar(reference, without_box, 5) + assert_image_similar(reference, with_box, 6) + with pytest.raises(AssertionError, match=r"difference 29\."): + assert_image_similar(reference, without_box, 5) def test_formats(self): for resample in [Image.NEAREST, Image.BILINEAR]: - for mode in ['RGB', 'L', 'RGBA', 'LA', 'I', '']: + for mode in ["RGB", "L", "RGBA", "LA", "I", ""]: im = hopper(mode) box = (20, 20, im.size[0] - 20, im.size[1] - 20) with_box = im.resize((32, 32), resample, box) cropped = im.crop(box).resize((32, 32), resample) - self.assert_image_similar(cropped, with_box, 0.4) + assert_image_similar(cropped, with_box, 0.4) def test_passthrough(self): # When no resize is required @@ -469,13 +514,9 @@ def test_passthrough(self): ((40, 50), (10, 0, 50, 50)), ((40, 50), (10, 20, 50, 70)), ]: - try: - res = im.resize(size, Image.LANCZOS, box) - self.assertEqual(res.size, size) - self.assert_image_equal(res, im.crop(box)) - except AssertionError: - print('>>>', size, box) - raise + res = im.resize(size, Image.LANCZOS, box) + assert res.size == size + assert_image_equal(res, im.crop(box), f">>> {size} {box}") def test_no_passthrough(self): # When resize is required @@ -487,15 +528,11 @@ def test_no_passthrough(self): ((40, 50), (10.4, 0.4, 50.4, 50.4)), ((40, 50), (10.4, 20.4, 50.4, 70.4)), ]: - try: - res = im.resize(size, Image.LANCZOS, box) - self.assertEqual(res.size, size) - with self.assertRaisesRegexp(AssertionError, "difference \d"): - # check that the difference at least that much - self.assert_image_similar(res, im.crop(box), 20) - except AssertionError: - print('>>>', size, box) - raise + res = im.resize(size, Image.LANCZOS, box) + assert res.size == size + with pytest.raises(AssertionError, match=r"difference \d"): + # check that the difference at least that much + assert_image_similar(res, im.crop(box), 20, f">>> {size} {box}") def test_skip_horizontal(self): # Can skip resize for one dimension @@ -508,15 +545,15 @@ def test_skip_horizontal(self): ((40, 50), (10, 0, 50, 90)), ((40, 50), (10, 20, 50, 90)), ]: - try: - res = im.resize(size, flt, box) - self.assertEqual(res.size, size) - # Borders should be slightly different - self.assert_image_similar( - res, im.crop(box).resize(size, flt), 0.4) - except AssertionError: - print('>>>', size, box, flt) - raise + res = im.resize(size, flt, box) + assert res.size == size + # Borders should be slightly different + assert_image_similar( + res, + im.crop(box).resize(size, flt), + 0.4, + f">>> {size} {box} {flt}", + ) def test_skip_vertical(self): # Can skip resize for one dimension @@ -529,16 +566,12 @@ def test_skip_vertical(self): ((40, 50), (0, 10, 90, 60)), ((40, 50), (20, 10, 90, 60)), ]: - try: - res = im.resize(size, flt, box) - self.assertEqual(res.size, size) - # Borders should be slightly different - self.assert_image_similar( - res, im.crop(box).resize(size, flt), 0.4) - except AssertionError: - print('>>>', size, box, flt) - raise - - -if __name__ == '__main__': - unittest.main() + res = im.resize(size, flt, box) + assert res.size == size + # Borders should be slightly different + assert_image_similar( + res, + im.crop(box).resize(size, flt), + 0.4, + f">>> {size} {box} {flt}", + ) diff --git a/Tests/test_image_resize.py b/Tests/test_image_resize.py index 8d14b900823..1fe278052fa 100644 --- a/Tests/test_image_resize.py +++ b/Tests/test_image_resize.py @@ -3,54 +3,82 @@ """ from itertools import permutations -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, +) -class TestImagingCoreResize(PillowTestCase): +class TestImagingCoreResize: def resize(self, im, size, f): # Image class independent version of resize. im.load() return im._new(im.im.resize(size, f)) def test_nearest_mode(self): - for mode in ["1", "P", "L", "I", "F", "RGB", "RGBA", "CMYK", "YCbCr", - "I;16"]: # exotic mode + for mode in [ + "1", + "P", + "L", + "I", + "F", + "RGB", + "RGBA", + "CMYK", + "YCbCr", + "I;16", + ]: # exotic mode im = hopper(mode) r = self.resize(im, (15, 12), Image.NEAREST) - self.assertEqual(r.mode, mode) - self.assertEqual(r.size, (15, 12)) - self.assertEqual(r.im.bands, im.im.bands) + assert r.mode == mode + assert r.size == (15, 12) + assert r.im.bands == im.im.bands def test_convolution_modes(self): - self.assertRaises(ValueError, self.resize, hopper("1"), - (15, 12), Image.BILINEAR) - self.assertRaises(ValueError, self.resize, hopper("P"), - (15, 12), Image.BILINEAR) - self.assertRaises(ValueError, self.resize, hopper("I;16"), - (15, 12), Image.BILINEAR) + with pytest.raises(ValueError): + self.resize(hopper("1"), (15, 12), Image.BILINEAR) + with pytest.raises(ValueError): + self.resize(hopper("P"), (15, 12), Image.BILINEAR) + with pytest.raises(ValueError): + self.resize(hopper("I;16"), (15, 12), Image.BILINEAR) for mode in ["L", "I", "F", "RGB", "RGBA", "CMYK", "YCbCr"]: im = hopper(mode) r = self.resize(im, (15, 12), Image.BILINEAR) - self.assertEqual(r.mode, mode) - self.assertEqual(r.size, (15, 12)) - self.assertEqual(r.im.bands, im.im.bands) + assert r.mode == mode + assert r.size == (15, 12) + assert r.im.bands == im.im.bands def test_reduce_filters(self): - for f in [Image.NEAREST, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: r = self.resize(hopper("RGB"), (15, 12), f) - self.assertEqual(r.mode, "RGB") - self.assertEqual(r.size, (15, 12)) + assert r.mode == "RGB" + assert r.size == (15, 12) def test_enlarge_filters(self): - for f in [Image.NEAREST, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: r = self.resize(hopper("RGB"), (212, 195), f) - self.assertEqual(r.mode, "RGB") - self.assertEqual(r.size, (212, 195)) + assert r.mode == "RGB" + assert r.size == (212, 195) def test_endianness(self): # Make an image with one colored pixel, in one channel. @@ -60,24 +88,29 @@ def test_endianness(self): # an endianness issues. samples = { - 'blank': Image.new('L', (2, 2), 0), - 'filled': Image.new('L', (2, 2), 255), - 'dirty': Image.new('L', (2, 2), 0), + "blank": Image.new("L", (2, 2), 0), + "filled": Image.new("L", (2, 2), 255), + "dirty": Image.new("L", (2, 2), 0), } - samples['dirty'].putpixel((1, 1), 128) + samples["dirty"].putpixel((1, 1), 128) - for f in [Image.NEAREST, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: # samples resized with current filter references = { - name: self.resize(ch, (4, 4), f) - for name, ch in samples.items() + name: self.resize(ch, (4, 4), f) for name, ch in samples.items() } for mode, channels_set in [ - ('RGB', ('blank', 'filled', 'dirty')), - ('RGBA', ('blank', 'blank', 'filled', 'dirty')), - ('LA', ('filled', 'dirty')), + ("RGB", ("blank", "filled", "dirty")), + ("RGBA", ("blank", "blank", "filled", "dirty")), + ("LA", ("filled", "dirty")), ]: for channels in set(permutations(channels_set)): # compile image from different channels permutations @@ -87,35 +120,153 @@ def test_endianness(self): for i, ch in enumerate(resized.split()): # check what resized channel in image is the same # as separately resized channel - self.assert_image_equal(ch, references[channels[i]]) + assert_image_equal(ch, references[channels[i]]) def test_enlarge_zero(self): - for f in [Image.NEAREST, Image.BOX, Image.BILINEAR, Image.HAMMING, - Image.BICUBIC, Image.LANCZOS]: - r = self.resize(Image.new('RGB', (0, 0), "white"), (212, 195), f) - self.assertEqual(r.mode, "RGB") - self.assertEqual(r.size, (212, 195)) - self.assertEqual(r.getdata()[0], (0, 0, 0)) + for f in [ + Image.NEAREST, + Image.BOX, + Image.BILINEAR, + Image.HAMMING, + Image.BICUBIC, + Image.LANCZOS, + ]: + r = self.resize(Image.new("RGB", (0, 0), "white"), (212, 195), f) + assert r.mode == "RGB" + assert r.size == (212, 195) + assert r.getdata()[0] == (0, 0, 0) def test_unknown_filter(self): - self.assertRaises(ValueError, self.resize, hopper(), (10, 10), 9) + with pytest.raises(ValueError): + self.resize(hopper(), (10, 10), 9) + def test_cross_platform(self, tmp_path): + # This test is intended for only check for consistent behaviour across + # platforms. So if a future Pillow change requires that the test file + # be updated, that is okay. + im = hopper().resize((64, 64)) + temp_file = str(tmp_path / "temp.gif") + im.save(temp_file) -class TestImageResize(PillowTestCase): + with Image.open(temp_file) as reloaded: + assert_image_equal_tofile(reloaded, "Tests/images/hopper_resized.gif") + +@pytest.fixture +def gradients_image(): + with Image.open("Tests/images/radial_gradients.png") as im: + im.load() + try: + yield im + finally: + im.close() + + +class TestReducingGapResize: + def test_reducing_gap_values(self, gradients_image): + ref = gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=None) + im = gradients_image.resize((52, 34), Image.BICUBIC) + assert_image_equal(ref, im) + + with pytest.raises(ValueError): + gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0) + + with pytest.raises(ValueError): + gradients_image.resize((52, 34), Image.BICUBIC, reducing_gap=0.99) + + def test_reducing_gap_1(self, gradients_image): + for box, epsilon in [ + (None, 4), + ((1.1, 2.2, 510.8, 510.9), 4), + ((3, 10, 410, 256), 10), + ]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=1.0 + ) + + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, epsilon) + + def test_reducing_gap_2(self, gradients_image): + for box, epsilon in [ + (None, 1.5), + ((1.1, 2.2, 510.8, 510.9), 1.5), + ((3, 10, 410, 256), 1), + ]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=2.0 + ) + + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, epsilon) + + def test_reducing_gap_3(self, gradients_image): + for box, epsilon in [ + (None, 1), + ((1.1, 2.2, 510.8, 510.9), 1), + ((3, 10, 410, 256), 0.5), + ]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=3.0 + ) + + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, epsilon) + + def test_reducing_gap_8(self, gradients_image): + for box in [None, (1.1, 2.2, 510.8, 510.9), (3, 10, 410, 256)]: + ref = gradients_image.resize((52, 34), Image.BICUBIC, box=box) + im = gradients_image.resize( + (52, 34), Image.BICUBIC, box=box, reducing_gap=8.0 + ) + + assert_image_equal(ref, im) + + def test_box_filter(self, gradients_image): + for box, epsilon in [ + ((0, 0, 512, 512), 5.5), + ((0.9, 1.7, 128, 128), 9.5), + ]: + ref = gradients_image.resize((52, 34), Image.BOX, box=box) + im = gradients_image.resize((52, 34), Image.BOX, box=box, reducing_gap=1.0) + + assert_image_similar(ref, im, epsilon) + + +class TestImageResize: def test_resize(self): def resize(mode, size): out = hopper(mode).resize(size) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, size) + assert out.mode == mode + assert out.size == size + for mode in "1", "P", "L", "RGB", "I", "F": resize(mode, (112, 103)) resize(mode, (188, 214)) # Test unknown resampling filter - im = hopper() - self.assertRaises(ValueError, im.resize, (10, 10), "unknown") + with hopper() as im: + with pytest.raises(ValueError): + im.resize((10, 10), "unknown") + + def test_default_filter(self): + for mode in "L", "RGB", "I", "F": + im = hopper(mode) + assert im.resize((20, 20), Image.BICUBIC) == im.resize((20, 20)) + for mode in "1", "P": + im = hopper(mode) + assert im.resize((20, 20), Image.NEAREST) == im.resize((20, 20)) -if __name__ == '__main__': - unittest.main() + for mode in "I;16", "I;16L", "I;16B", "BGR;15", "BGR;16": + im = hopper(mode) + assert im.resize((20, 20), Image.NEAREST) == im.resize((20, 20)) diff --git a/Tests/test_image_rotate.py b/Tests/test_image_rotate.py index fbcf9008d83..2d72ffa684c 100644 --- a/Tests/test_image_rotate.py +++ b/Tests/test_image_rotate.py @@ -1,102 +1,146 @@ -from helper import unittest, PillowTestCase, hopper from PIL import Image +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar, + hopper, +) -class TestImageRotate(PillowTestCase): - - def rotate(self, im, mode, angle, center=None, translate=None): - out = im.rotate(angle, center=center, translate=translate) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) # default rotate clips output - out = im.rotate(angle, center=center, translate=translate, expand=1) - self.assertEqual(out.mode, mode) - if angle % 180 == 0: - self.assertEqual(out.size, im.size) - elif im.size == (0, 0): - self.assertEqual(out.size, im.size) - else: - self.assertNotEqual(out.size, im.size) - - def test_mode(self): - for mode in ("1", "P", "L", "RGB", "I", "F"): - im = hopper(mode) - self.rotate(im, mode, 45) - - def test_angle(self): - for angle in (0, 90, 180, 270): - im = Image.open('Tests/images/test-card.png') - self.rotate(im, im.mode, angle) - - def test_zero(self): - for angle in (0, 45, 90, 180, 270): - im = Image.new('RGB', (0, 0)) - self.rotate(im, im.mode, angle) - - def test_resample(self): - # Target image creation, inspected by eye. - # >>> im = Image.open('Tests/images/hopper.ppm') - # >>> im = im.rotate(45, resample=Image.BICUBIC, expand=True) - # >>> im.save('Tests/images/hopper_45.png') - - target = Image.open('Tests/images/hopper_45.png') - for (resample, epsilon) in ((Image.NEAREST, 10), - (Image.BILINEAR, 5), - (Image.BICUBIC, 0)): + +def rotate(im, mode, angle, center=None, translate=None): + out = im.rotate(angle, center=center, translate=translate) + assert out.mode == mode + assert out.size == im.size # default rotate clips output + out = im.rotate(angle, center=center, translate=translate, expand=1) + assert out.mode == mode + if angle % 180 == 0: + assert out.size == im.size + elif im.size == (0, 0): + assert out.size == im.size + else: + assert out.size != im.size + + +def test_mode(): + for mode in ("1", "P", "L", "RGB", "I", "F"): + im = hopper(mode) + rotate(im, mode, 45) + + +def test_angle(): + for angle in (0, 90, 180, 270): + with Image.open("Tests/images/test-card.png") as im: + rotate(im, im.mode, angle) + + im = hopper() + assert_image_equal(im.rotate(angle), im.rotate(angle, expand=1)) + + +def test_zero(): + for angle in (0, 45, 90, 180, 270): + im = Image.new("RGB", (0, 0)) + rotate(im, im.mode, angle) + + +def test_resample(): + # Target image creation, inspected by eye. + # >>> im = Image.open('Tests/images/hopper.ppm') + # >>> im = im.rotate(45, resample=Image.BICUBIC, expand=True) + # >>> im.save('Tests/images/hopper_45.png') + + with Image.open("Tests/images/hopper_45.png") as target: + for (resample, epsilon) in ( + (Image.NEAREST, 10), + (Image.BILINEAR, 5), + (Image.BICUBIC, 0), + ): im = hopper() im = im.rotate(45, resample=resample, expand=True) - self.assert_image_similar(im, target, epsilon) + assert_image_similar(im, target, epsilon) - def test_center_0(self): - im = hopper() - target = Image.open('Tests/images/hopper_45.png') - target_origin = target.size[1]/2 + +def test_center_0(): + im = hopper() + im = im.rotate(45, center=(0, 0), resample=Image.BICUBIC) + + with Image.open("Tests/images/hopper_45.png") as target: + target_origin = target.size[1] / 2 target = target.crop((0, target_origin, 128, target_origin + 128)) - im = im.rotate(45, center=(0, 0), resample=Image.BICUBIC) + assert_image_similar(im, target, 15) - self.assert_image_similar(im, target, 15) - def test_center_14(self): - im = hopper() - target = Image.open('Tests/images/hopper_45.png') +def test_center_14(): + im = hopper() + im = im.rotate(45, center=(14, 14), resample=Image.BICUBIC) + + with Image.open("Tests/images/hopper_45.png") as target: target_origin = target.size[1] / 2 - 14 target = target.crop((6, target_origin, 128 + 6, target_origin + 128)) - im = im.rotate(45, center=(14, 14), resample=Image.BICUBIC) + assert_image_similar(im, target, 10) - self.assert_image_similar(im, target, 10) - def test_translate(self): - im = hopper() - target = Image.open('Tests/images/hopper_45.png') +def test_translate(): + im = hopper() + with Image.open("Tests/images/hopper_45.png") as target: target_origin = (target.size[1] / 2 - 64) - 5 - target = target.crop((target_origin, target_origin, - target_origin + 128, target_origin + 128)) + target = target.crop( + (target_origin, target_origin, target_origin + 128, target_origin + 128) + ) - im = im.rotate(45, translate=(5, 5), resample=Image.BICUBIC) + im = im.rotate(45, translate=(5, 5), resample=Image.BICUBIC) - self.assert_image_similar(im, target, 1) + assert_image_similar(im, target, 1) - def test_fastpath_center(self): - # if the center is -1,-1 and we rotate by 90<=x<=270 the - # resulting image should be black - for angle in (90, 180, 270): - im = hopper().rotate(angle, center=(-1, -1)) - self.assert_image_equal(im, Image.new('RGB', im.size, 'black')) - def test_fastpath_translate(self): - # if we post-translate by -128 - # resulting image should be black - for angle in (0, 90, 180, 270): - im = hopper().rotate(angle, translate=(-128, -128)) - self.assert_image_equal(im, Image.new('RGB', im.size, 'black')) +def test_fastpath_center(): + # if the center is -1,-1 and we rotate by 90<=x<=270 the + # resulting image should be black + for angle in (90, 180, 270): + im = hopper().rotate(angle, center=(-1, -1)) + assert_image_equal(im, Image.new("RGB", im.size, "black")) - def test_center(self): - im = hopper() - self.rotate(im, im.mode, 45, center=(0, 0)) - self.rotate(im, im.mode, 45, translate=(im.size[0]/2, 0)) - self.rotate(im, im.mode, 45, center=(0, 0), translate=(im.size[0]/2, 0)) + +def test_fastpath_translate(): + # if we post-translate by -128 + # resulting image should be black + for angle in (0, 90, 180, 270): + im = hopper().rotate(angle, translate=(-128, -128)) + assert_image_equal(im, Image.new("RGB", im.size, "black")) + + +def test_center(): + im = hopper() + rotate(im, im.mode, 45, center=(0, 0)) + rotate(im, im.mode, 45, translate=(im.size[0] / 2, 0)) + rotate(im, im.mode, 45, center=(0, 0), translate=(im.size[0] / 2, 0)) + + +def test_rotate_no_fill(): + im = Image.new("RGB", (100, 100), "green") + im = im.rotate(45) + assert_image_equal_tofile(im, "Tests/images/rotate_45_no_fill.png") + + +def test_rotate_with_fill(): + im = Image.new("RGB", (100, 100), "green") + im = im.rotate(45, fillcolor="white") + assert_image_equal_tofile(im, "Tests/images/rotate_45_with_fill.png") + + +def test_alpha_rotate_no_fill(): + # Alpha images are handled differently internally + im = Image.new("RGBA", (10, 10), "green") + im = im.rotate(45, expand=1) + corner = im.getpixel((0, 0)) + assert corner == (0, 0, 0, 0) -if __name__ == '__main__': - unittest.main() +def test_alpha_rotate_with_fill(): + # Alpha images are handled differently internally + im = Image.new("RGBA", (10, 10), "green") + im = im.rotate(45, expand=1, fillcolor=(255, 0, 0, 255)) + corner = im.getpixel((0, 0)) + assert corner == (255, 0, 0, 255) diff --git a/Tests/test_image_split.py b/Tests/test_image_split.py index 6f312ff8092..fbed276b8b7 100644 --- a/Tests/test_image_split.py +++ b/Tests/test_image_split.py @@ -1,65 +1,63 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image - - -class TestImageSplit(PillowTestCase): - - def test_split(self): - def split(mode): - layers = hopper(mode).split() - return [(i.mode, i.size[0], i.size[1]) for i in layers] - self.assertEqual(split("1"), [('1', 128, 128)]) - self.assertEqual(split("L"), [('L', 128, 128)]) - self.assertEqual(split("I"), [('I', 128, 128)]) - self.assertEqual(split("F"), [('F', 128, 128)]) - self.assertEqual(split("P"), [('P', 128, 128)]) - self.assertEqual( - split("RGB"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)]) - self.assertEqual( - split("RGBA"), - [('L', 128, 128), ('L', 128, 128), - ('L', 128, 128), ('L', 128, 128)]) - self.assertEqual( - split("CMYK"), - [('L', 128, 128), ('L', 128, 128), - ('L', 128, 128), ('L', 128, 128)]) - self.assertEqual( - split("YCbCr"), - [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)]) - - def test_split_merge(self): - def split_merge(mode): - return Image.merge(mode, hopper(mode).split()) - self.assert_image_equal(hopper("1"), split_merge("1")) - self.assert_image_equal(hopper("L"), split_merge("L")) - self.assert_image_equal(hopper("I"), split_merge("I")) - self.assert_image_equal(hopper("F"), split_merge("F")) - self.assert_image_equal(hopper("P"), split_merge("P")) - self.assert_image_equal(hopper("RGB"), split_merge("RGB")) - self.assert_image_equal(hopper("RGBA"), split_merge("RGBA")) - self.assert_image_equal(hopper("CMYK"), split_merge("CMYK")) - self.assert_image_equal(hopper("YCbCr"), split_merge("YCbCr")) - - def test_split_open(self): - codecs = dir(Image.core) - - if 'zip_encoder' in codecs: - test_file = self.tempfile("temp.png") - else: - test_file = self.tempfile("temp.pcx") - - def split_open(mode): - hopper(mode).save(test_file) - im = Image.open(test_file) +from PIL import Image, features + +from .helper import assert_image_equal, hopper + + +def test_split(): + def split(mode): + layers = hopper(mode).split() + return [(i.mode, i.size[0], i.size[1]) for i in layers] + + assert split("1") == [("1", 128, 128)] + assert split("L") == [("L", 128, 128)] + assert split("I") == [("I", 128, 128)] + assert split("F") == [("F", 128, 128)] + assert split("P") == [("P", 128, 128)] + assert split("RGB") == [("L", 128, 128), ("L", 128, 128), ("L", 128, 128)] + assert split("RGBA") == [ + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ] + assert split("CMYK") == [ + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ("L", 128, 128), + ] + assert split("YCbCr") == [("L", 128, 128), ("L", 128, 128), ("L", 128, 128)] + + +def test_split_merge(): + def split_merge(mode): + return Image.merge(mode, hopper(mode).split()) + + assert_image_equal(hopper("1"), split_merge("1")) + assert_image_equal(hopper("L"), split_merge("L")) + assert_image_equal(hopper("I"), split_merge("I")) + assert_image_equal(hopper("F"), split_merge("F")) + assert_image_equal(hopper("P"), split_merge("P")) + assert_image_equal(hopper("RGB"), split_merge("RGB")) + assert_image_equal(hopper("RGBA"), split_merge("RGBA")) + assert_image_equal(hopper("CMYK"), split_merge("CMYK")) + assert_image_equal(hopper("YCbCr"), split_merge("YCbCr")) + + +def test_split_open(tmp_path): + if features.check("zlib"): + test_file = str(tmp_path / "temp.png") + else: + test_file = str(tmp_path / "temp.pcx") + + def split_open(mode): + hopper(mode).save(test_file) + with Image.open(test_file) as im: return len(im.split()) - self.assertEqual(split_open("1"), 1) - self.assertEqual(split_open("L"), 1) - self.assertEqual(split_open("P"), 1) - self.assertEqual(split_open("RGB"), 3) - if 'zip_encoder' in codecs: - self.assertEqual(split_open("RGBA"), 4) - -if __name__ == '__main__': - unittest.main() + assert split_open("1") == 1 + assert split_open("L") == 1 + assert split_open("P") == 1 + assert split_open("RGB") == 3 + if features.check("zlib"): + assert split_open("RGBA") == 4 diff --git a/Tests/test_image_thumbnail.py b/Tests/test_image_thumbnail.py index 6b92dbb2411..dd140955dee 100644 --- a/Tests/test_image_thumbnail.py +++ b/Tests/test_image_thumbnail.py @@ -1,41 +1,133 @@ -from helper import unittest, PillowTestCase, hopper +import pytest +from PIL import Image -class TestImageThumbnail(PillowTestCase): +from .helper import ( + assert_image_equal, + assert_image_similar, + fromstring, + hopper, + tostring, +) - def test_sanity(self): - im = hopper() - im.thumbnail((100, 100)) +def test_sanity(): + im = hopper() + assert im.thumbnail((100, 100)) is None - self.assert_image(im, im.mode, (100, 100)) + assert im.size == (100, 100) - def test_aspect(self): - im = hopper() - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (100, 100)) +def test_aspect(): + im = Image.new("L", (128, 128)) + im.thumbnail((100, 100)) + assert im.size == (100, 100) - im = hopper().resize((128, 256)) - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (50, 100)) + im = Image.new("L", (128, 256)) + im.thumbnail((100, 100)) + assert im.size == (50, 100) - im = hopper().resize((128, 256)) - im.thumbnail((50, 100)) - self.assert_image(im, im.mode, (50, 100)) + im = Image.new("L", (128, 256)) + im.thumbnail((50, 100)) + assert im.size == (50, 100) - im = hopper().resize((256, 128)) - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (100, 50)) + im = Image.new("L", (256, 128)) + im.thumbnail((100, 100)) + assert im.size == (100, 50) - im = hopper().resize((256, 128)) - im.thumbnail((100, 50)) - self.assert_image(im, im.mode, (100, 50)) + im = Image.new("L", (256, 128)) + im.thumbnail((100, 50)) + assert im.size == (100, 50) - im = hopper().resize((128, 128)) - im.thumbnail((100, 100)) - self.assert_image(im, im.mode, (100, 100)) + im = Image.new("L", (64, 64)) + im.thumbnail((100, 100)) + assert im.size == (64, 64) + im = Image.new("L", (256, 162)) # ratio is 1.5802469136 + im.thumbnail((33, 33)) + assert im.size == (33, 21) # ratio is 1.5714285714 -if __name__ == '__main__': - unittest.main() + im = Image.new("L", (162, 256)) # ratio is 0.6328125 + im.thumbnail((33, 33)) + assert im.size == (21, 33) # ratio is 0.6363636364 + + im = Image.new("L", (145, 100)) # ratio is 1.45 + im.thumbnail((50, 50)) + assert im.size == (50, 34) # ratio is 1.47058823529 + + im = Image.new("L", (100, 145)) # ratio is 0.689655172414 + im.thumbnail((50, 50)) + assert im.size == (34, 50) # ratio is 0.68 + + im = Image.new("L", (100, 30)) # ratio is 3.333333333333 + im.thumbnail((75, 75)) + assert im.size == (75, 23) # ratio is 3.260869565217 + + +def test_division_by_zero(): + im = Image.new("L", (200, 2)) + im.thumbnail((75, 75)) + assert im.size == (75, 1) + + +def test_float(): + im = Image.new("L", (128, 128)) + im.thumbnail((99.9, 99.9)) + assert im.size == (99, 99) + + +def test_no_resize(): + # Check that draft() can resize the image to the destination size + with Image.open("Tests/images/hopper.jpg") as im: + im.draft(None, (64, 64)) + assert im.size == (64, 64) + + # Test thumbnail(), where only draft() is necessary to resize the image + with Image.open("Tests/images/hopper.jpg") as im: + im.thumbnail((64, 64)) + assert im.size == (64, 64) + + +# valgrind test is failing with memory allocated in libjpeg +@pytest.mark.valgrind_known_error(reason="Known Failing") +def test_DCT_scaling_edges(): + # Make an image with red borders and size (N * 8) + 1 to cross DCT grid + im = Image.new("RGB", (257, 257), "red") + im.paste(Image.new("RGB", (235, 235)), (11, 11)) + + thumb = fromstring(tostring(im, "JPEG", quality=99, subsampling=0)) + # small reducing_gap to amplify the effect + thumb.thumbnail((32, 32), Image.BICUBIC, reducing_gap=1.0) + + ref = im.resize((32, 32), Image.BICUBIC) + # This is still JPEG, some error is present. Without the fix it is 11.5 + assert_image_similar(thumb, ref, 1.5) + + +def test_reducing_gap_values(): + im = hopper() + im.thumbnail((18, 18), Image.BICUBIC) + + ref = hopper() + ref.thumbnail((18, 18), Image.BICUBIC, reducing_gap=2.0) + # reducing_gap=2.0 should be the default + assert_image_equal(ref, im) + + ref = hopper() + ref.thumbnail((18, 18), Image.BICUBIC, reducing_gap=None) + with pytest.raises(AssertionError): + assert_image_equal(ref, im) + + assert_image_similar(ref, im, 3.5) + + +def test_reducing_gap_for_DCT_scaling(): + with Image.open("Tests/images/hopper.jpg") as ref: + # thumbnail should call draft with reducing_gap scale + ref.draft(None, (18 * 3, 18 * 3)) + ref = ref.resize((18, 18), Image.BICUBIC) + + with Image.open("Tests/images/hopper.jpg") as im: + im.thumbnail((18, 18), Image.BICUBIC, reducing_gap=3.0) + + assert_image_equal(ref, im) diff --git a/Tests/test_image_tobitmap.py b/Tests/test_image_tobitmap.py index 5c47eade729..178cfcef359 100644 --- a/Tests/test_image_tobitmap.py +++ b/Tests/test_image_tobitmap.py @@ -1,20 +1,16 @@ -from helper import unittest, PillowTestCase, hopper, fromstring +import pytest +from .helper import assert_image_equal, fromstring, hopper -class TestImageToBitmap(PillowTestCase): - def test_sanity(self): +def test_sanity(): - self.assertRaises(ValueError, lambda: hopper().tobitmap()) - hopper().convert("1").tobitmap() + with pytest.raises(ValueError): + hopper().tobitmap() - im1 = hopper().convert("1") + im1 = hopper().convert("1") - bitmap = im1.tobitmap() + bitmap = im1.tobitmap() - self.assertIsInstance(bitmap, bytes) - self.assert_image_equal(im1, fromstring(bitmap)) - - -if __name__ == '__main__': - unittest.main() + assert isinstance(bitmap, bytes) + assert_image_equal(im1, fromstring(bitmap)) diff --git a/Tests/test_image_tobytes.py b/Tests/test_image_tobytes.py index 2cae05e6667..31e1c0080c6 100644 --- a/Tests/test_image_tobytes.py +++ b/Tests/test_image_tobytes.py @@ -1,11 +1,6 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import hopper -class TestImageToBytes(PillowTestCase): - - def test_sanity(self): - data = hopper().tobytes() - self.assertIsInstance(data, bytes) - -if __name__ == '__main__': - unittest.main() +def test_sanity(): + data = hopper().tobytes() + assert isinstance(data, bytes) diff --git a/Tests/test_image_toqimage.py b/Tests/test_image_toqimage.py deleted file mode 100644 index 6d7715c80a1..00000000000 --- a/Tests/test_image_toqimage.py +++ /dev/null @@ -1,91 +0,0 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase - -from PIL import ImageQt, Image - - -if ImageQt.qt_is_installed: - from PIL.ImageQt import QImage - - try: - from PyQt5 import QtGui - from PyQt5.QtWidgets import QWidget, QHBoxLayout, QLabel, QApplication - QT_VERSION = 5 - except (ImportError, RuntimeError): - try: - from PyQt4 import QtGui - from PyQt4.QtGui import QWidget, QHBoxLayout, QLabel, QApplication - QT_VERSION = 4 - except (ImportError, RuntimeError): - from PySide import QtGui - from PySide.QtGui import QWidget, QHBoxLayout, QLabel, QApplication - QT_VERSION = 4 - - -class TestToQImage(PillowQtTestCase, PillowTestCase): - - def test_sanity(self): - PillowQtTestCase.setUp(self) - for mode in ('RGB', 'RGBA', 'L', 'P', '1'): - src = hopper(mode) - data = ImageQt.toqimage(src) - - self.assertIsInstance(data, QImage) - self.assertFalse(data.isNull()) - - # reload directly from the qimage - rt = ImageQt.fromqimage(data) - if mode in ('L', 'P', '1'): - self.assert_image_equal(rt, src.convert('RGB')) - else: - self.assert_image_equal(rt, src) - - if mode == '1': - # BW appears to not save correctly on QT4 and QT5 - # kicks out errors on console: - # libpng warning: Invalid color type/bit depth combination in IHDR - # libpng error: Invalid IHDR data - continue - - # Test saving the file - tempfile = self.tempfile('temp_{}.png'.format(mode)) - data.save(tempfile) - - # Check that it actually worked. - reloaded = Image.open(tempfile) - # Gray images appear to come back in palette mode. - # They're roughly equivalent - if QT_VERSION == 4 and mode == 'L': - src = src.convert('P') - self.assert_image_equal(reloaded, src) - - def test_segfault(self): - PillowQtTestCase.setUp(self) - - app = QApplication([]) - ex = Example() - assert(app) # Silence warning - assert(ex) # Silence warning - - -if ImageQt.qt_is_installed: - class Example(QWidget): - - def __init__(self): - super(Example, self).__init__() - - img = hopper().resize((1000, 1000)) - - qimage = ImageQt.ImageQt(img) - - pixmap1 = QtGui.QPixmap.fromImage(qimage) - - hbox = QHBoxLayout(self) - - lbl = QLabel(self) - # Segfault in the problem - lbl.setPixmap(pixmap1.copy()) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_toqpixmap.py b/Tests/test_image_toqpixmap.py deleted file mode 100644 index c6555d7ff4a..00000000000 --- a/Tests/test_image_toqpixmap.py +++ /dev/null @@ -1,27 +0,0 @@ -from helper import unittest, PillowTestCase, hopper -from test_imageqt import PillowQtTestCase, PillowQPixmapTestCase - -from PIL import ImageQt - -if ImageQt.qt_is_installed: - from PIL.ImageQt import QPixmap - - -class TestToQPixmap(PillowQPixmapTestCase, PillowTestCase): - - def test_sanity(self): - PillowQtTestCase.setUp(self) - - for mode in ('1', 'RGB', 'RGBA', 'L', 'P'): - data = ImageQt.toqpixmap(hopper(mode)) - - self.assertIsInstance(data, QPixmap) - self.assertFalse(data.isNull()) - - # Test saving the file - tempfile = self.tempfile('temp_{}.png'.format(mode)) - data.save(tempfile) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_transform.py b/Tests/test_image_transform.py index df8fc83e84a..ea208362b2a 100644 --- a/Tests/test_image_transform.py +++ b/Tests/test_image_transform.py @@ -1,15 +1,14 @@ import math -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image +from PIL import Image, ImageTransform +from .helper import assert_image_equal, assert_image_similar, hopper -class TestImageTransform(PillowTestCase): +class TestImageTransform: def test_sanity(self): - from PIL import ImageTransform - im = Image.new("L", (100, 100)) seq = tuple(range(10)) @@ -23,50 +22,77 @@ def test_sanity(self): transform = ImageTransform.MeshTransform([(seq[:4], seq[:8])]) im.transform((100, 100), transform) + def test_info(self): + comment = b"File written by Adobe Photoshop\xa8 4.0" + + with Image.open("Tests/images/hopper.gif") as im: + assert im.info["comment"] == comment + + transform = ImageTransform.ExtentTransform((0, 0, 0, 0)) + new_im = im.transform((100, 100), transform) + assert new_im.info["comment"] == comment + + def test_palette(self): + with Image.open("Tests/images/hopper.gif") as im: + transformed = im.transform(im.size, Image.AFFINE, [1, 0, 0, 0, 1, 0]) + assert im.palette.palette == transformed.palette.palette + def test_extent(self): - im = hopper('RGB') + im = hopper("RGB") (w, h) = im.size + # fmt: off transformed = im.transform(im.size, Image.EXTENT, (0, 0, w//2, h//2), # ul -> lr Image.BILINEAR) + # fmt: on - scaled = im.resize((w*2, h*2), Image.BILINEAR).crop((0, 0, w, h)) + scaled = im.resize((w * 2, h * 2), Image.BILINEAR).crop((0, 0, w, h)) # undone -- precision? - self.assert_image_similar(transformed, scaled, 23) + assert_image_similar(transformed, scaled, 23) def test_quad(self): # one simple quad transform, equivalent to scale & crop upper left quad - im = hopper('RGB') + im = hopper("RGB") (w, h) = im.size + # fmt: off transformed = im.transform(im.size, Image.QUAD, (0, 0, 0, h//2, # ul -> ccw around quad: w//2, h//2, w//2, 0), Image.BILINEAR) + # fmt: on - scaled = im.transform((w, h), Image.AFFINE, - (.5, 0, 0, 0, .5, 0), - Image.BILINEAR) + scaled = im.transform( + (w, h), Image.AFFINE, (0.5, 0, 0, 0, 0.5, 0), Image.BILINEAR + ) - self.assert_image_equal(transformed, scaled) + assert_image_equal(transformed, scaled) def test_fill(self): - im = hopper('RGB') - (w, h) = im.size - transformed = im.transform(im.size, Image.EXTENT, - (0, 0, - w*2, h*2), - Image.BILINEAR, - fillcolor = 'red') + for mode, pixel in [ + ["RGB", (255, 0, 0)], + ["RGBA", (255, 0, 0, 255)], + ["LA", (76, 0)], + ]: + im = hopper(mode) + (w, h) = im.size + transformed = im.transform( + im.size, + Image.EXTENT, + (0, 0, w * 2, h * 2), + Image.BILINEAR, + fillcolor="red", + ) - self.assertEqual(transformed.getpixel((w-1,h-1)), (255,0,0)) + assert transformed.getpixel((w - 1, h - 1)) == pixel def test_mesh(self): # this should be a checkerboard of halfsized hoppers in ul, lr - im = hopper('RGBA') + im = hopper("RGBA") (w, h) = im.size + # fmt: off transformed = im.transform(im.size, Image.MESH, [((0, 0, w//2, h//2), # box (0, 0, 0, h, @@ -75,57 +101,88 @@ def test_mesh(self): (0, 0, 0, h, w, h, w, 0))], # ul -> ccw around quad Image.BILINEAR) + # fmt: on - scaled = im.transform((w//2, h//2), Image.AFFINE, - (2, 0, 0, 0, 2, 0), - Image.BILINEAR) + scaled = im.transform( + (w // 2, h // 2), Image.AFFINE, (2, 0, 0, 0, 2, 0), Image.BILINEAR + ) - checker = Image.new('RGBA', im.size) + checker = Image.new("RGBA", im.size) checker.paste(scaled, (0, 0)) - checker.paste(scaled, (w//2, h//2)) + checker.paste(scaled, (w // 2, h // 2)) - self.assert_image_equal(transformed, checker) + assert_image_equal(transformed, checker) # now, check to see that the extra area is (0, 0, 0, 0) - blank = Image.new('RGBA', (w//2, h//2), (0, 0, 0, 0)) + blank = Image.new("RGBA", (w // 2, h // 2), (0, 0, 0, 0)) - self.assert_image_equal(blank, transformed.crop((w//2, 0, w, h//2))) - self.assert_image_equal(blank, transformed.crop((0, h//2, w//2, h))) + assert_image_equal(blank, transformed.crop((w // 2, 0, w, h // 2))) + assert_image_equal(blank, transformed.crop((0, h // 2, w // 2, h))) def _test_alpha_premult(self, op): # create image with half white, half black, # with the black half transparent. # do op, # there should be no darkness in the white section. - im = Image.new('RGBA', (10, 10), (0, 0, 0, 0)) - im2 = Image.new('RGBA', (5, 10), (255, 255, 255, 255)) + im = Image.new("RGBA", (10, 10), (0, 0, 0, 0)) + im2 = Image.new("RGBA", (5, 10), (255, 255, 255, 255)) im.paste(im2, (0, 0)) im = op(im, (40, 10)) - im_background = Image.new('RGB', (40, 10), (255, 255, 255)) + im_background = Image.new("RGB", (40, 10), (255, 255, 255)) im_background.paste(im, (0, 0), im) hist = im_background.histogram() - self.assertEqual(40*10, hist[-1]) + assert 40 * 10 == hist[-1] def test_alpha_premult_resize(self): - def op(im, sz): return im.resize(sz, Image.BILINEAR) self._test_alpha_premult(op) def test_alpha_premult_transform(self): - def op(im, sz): (w, h) = im.size - return im.transform(sz, Image.EXTENT, - (0, 0, - w, h), - Image.BILINEAR) + return im.transform(sz, Image.EXTENT, (0, 0, w, h), Image.BILINEAR) self._test_alpha_premult(op) + def _test_nearest(self, op, mode): + # create white image with half transparent, + # do op, + # the image should remain white with half transparent + transparent, opaque = { + "RGBA": ((255, 255, 255, 0), (255, 255, 255, 255)), + "LA": ((255, 0), (255, 255)), + }[mode] + im = Image.new(mode, (10, 10), transparent) + im2 = Image.new(mode, (5, 10), opaque) + im.paste(im2, (0, 0)) + + im = op(im, (40, 10)) + + colors = im.getcolors() + assert colors == [ + (20 * 10, opaque), + (20 * 10, transparent), + ] + + @pytest.mark.parametrize("mode", ("RGBA", "LA")) + def test_nearest_resize(self, mode): + def op(im, sz): + return im.resize(sz, Image.NEAREST) + + self._test_nearest(op, mode) + + @pytest.mark.parametrize("mode", ("RGBA", "LA")) + def test_nearest_transform(self, mode): + def op(im, sz): + (w, h) = im.size + return im.transform(sz, Image.EXTENT, (0, 0, w, h), Image.NEAREST) + + self._test_nearest(op, mode) + def test_blank_fill(self): # attempting to hit # https://github.com/python-pillow/Pillow/issues/254 reported @@ -141,36 +198,47 @@ def test_blank_fill(self): # Running by default, but I'd totally understand not doing it in # the future - pattern = [ - Image.new('RGBA', (1024, 1024), (a, a, a, a)) - for a in range(1, 65) - ] + pattern = [Image.new("RGBA", (1024, 1024), (a, a, a, a)) for a in range(1, 65)] # Yeah. Watch some JIT optimize this out. - pattern = None + pattern = None # noqa: F841 self.test_mesh() def test_missing_method_data(self): - im = hopper() - self.assertRaises(ValueError, im.transform, (100, 100), None) + with hopper() as im: + with pytest.raises(ValueError): + im.transform((100, 100), None) + + def test_unknown_resampling_filter(self): + with hopper() as im: + (w, h) = im.size + for resample in (Image.BOX, "unknown"): + with pytest.raises(ValueError): + im.transform((100, 100), Image.EXTENT, (0, 0, w, h), resample) -class TestImageTransformAffine(PillowTestCase): +class TestImageTransformAffine: transform = Image.AFFINE def _test_image(self): - im = hopper('RGB') + im = hopper("RGB") return im.crop((10, 20, im.width - 10, im.height - 20)) def _test_rotate(self, deg, transpose): im = self._test_image() - angle = - math.radians(deg) + angle = -math.radians(deg) matrix = [ - round(math.cos(angle), 15), round(math.sin(angle), 15), 0.0, - round(-math.sin(angle), 15), round(math.cos(angle), 15), 0.0, - 0, 0] + round(math.cos(angle), 15), + round(math.sin(angle), 15), + 0.0, + round(-math.sin(angle), 15), + round(math.cos(angle), 15), + 0.0, + 0, + 0, + ] matrix[2] = (1 - matrix[0] - matrix[1]) * im.width / 2 matrix[5] = (1 - matrix[3] - matrix[4]) * im.height / 2 @@ -180,9 +248,10 @@ def _test_rotate(self, deg, transpose): transposed = im for resample in [Image.NEAREST, Image.BILINEAR, Image.BICUBIC]: - transformed = im.transform(transposed.size, self.transform, - matrix, resample) - self.assert_image_equal(transposed, transformed) + transformed = im.transform( + transposed.size, self.transform, matrix, resample + ) + assert_image_equal(transposed, transformed) def test_rotate_0_deg(self): self._test_rotate(0, None) @@ -200,22 +269,19 @@ def _test_resize(self, scale, epsilonscale): im = self._test_image() size_up = int(round(im.width * scale)), int(round(im.height * scale)) - matrix_up = [ - 1 / scale, 0, 0, - 0, 1 / scale, 0, - 0, 0] - matrix_down = [ - scale, 0, 0, - 0, scale, 0, - 0, 0] - - for resample, epsilon in [(Image.NEAREST, 0), - (Image.BILINEAR, 2), (Image.BICUBIC, 1)]: - transformed = im.transform( - size_up, self.transform, matrix_up, resample) + matrix_up = [1 / scale, 0, 0, 0, 1 / scale, 0, 0, 0] + matrix_down = [scale, 0, 0, 0, scale, 0, 0, 0] + + for resample, epsilon in [ + (Image.NEAREST, 0), + (Image.BILINEAR, 2), + (Image.BICUBIC, 1), + ]: + transformed = im.transform(size_up, self.transform, matrix_up, resample) transformed = transformed.transform( - im.size, self.transform, matrix_down, resample) - self.assert_image_similar(transformed, im, epsilon * epsilonscale) + im.size, self.transform, matrix_down, resample + ) + assert_image_similar(transformed, im, epsilon * epsilonscale) def test_resize_1_1x(self): self._test_resize(1.1, 6.9) @@ -236,28 +302,25 @@ def _test_translate(self, x, y, epsilonscale): im = self._test_image() size_up = int(round(im.width + x)), int(round(im.height + y)) - matrix_up = [ - 1, 0, -x, - 0, 1, -y, - 0, 0] - matrix_down = [ - 1, 0, x, - 0, 1, y, - 0, 0] - - for resample, epsilon in [(Image.NEAREST, 0), - (Image.BILINEAR, 1.5), (Image.BICUBIC, 1)]: - transformed = im.transform( - size_up, self.transform, matrix_up, resample) + matrix_up = [1, 0, -x, 0, 1, -y, 0, 0] + matrix_down = [1, 0, x, 0, 1, y, 0, 0] + + for resample, epsilon in [ + (Image.NEAREST, 0), + (Image.BILINEAR, 1.5), + (Image.BICUBIC, 1), + ]: + transformed = im.transform(size_up, self.transform, matrix_up, resample) transformed = transformed.transform( - im.size, self.transform, matrix_down, resample) - self.assert_image_similar(transformed, im, epsilon * epsilonscale) + im.size, self.transform, matrix_down, resample + ) + assert_image_similar(transformed, im, epsilon * epsilonscale) def test_translate_0_1(self): - self._test_translate(.1, 0, 3.7) + self._test_translate(0.1, 0, 3.7) def test_translate_0_6(self): - self._test_translate(.6, 0, 9.1) + self._test_translate(0.6, 0, 9.1) def test_translate_50(self): self._test_translate(50, 50, 0) @@ -266,6 +329,3 @@ def test_translate_50(self): class TestImageTransformPerspective(TestImageTransformAffine): # Repeat all tests for AFFINE transformations with PERSPECTIVE transform = Image.PERSPECTIVE - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_image_transpose.py b/Tests/test_image_transpose.py index a6b1191db3b..a004434dae7 100644 --- a/Tests/test_image_transpose.py +++ b/Tests/test_image_transpose.py @@ -1,152 +1,162 @@ -import helper -from helper import unittest, PillowTestCase - -from PIL.Image import (FLIP_LEFT_RIGHT, FLIP_TOP_BOTTOM, ROTATE_90, ROTATE_180, - ROTATE_270, TRANSPOSE, TRANSVERSE) - - -class TestImageTranspose(PillowTestCase): - - hopper = { - 'L': helper.hopper('L').crop((0, 0, 121, 127)).copy(), - 'RGB': helper.hopper('RGB').crop((0, 0, 121, 127)).copy(), - } - - def test_flip_left_right(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(FLIP_LEFT_RIGHT) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((x-2, 1))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((x-2, y-2))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, y-2))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_flip_top_bottom(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(FLIP_TOP_BOTTOM) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((1, y-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((x-2, y-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((x-2, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_rotate_90(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(ROTATE_90) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((1, x-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((y-2, x-2))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((y-2, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_rotate_180(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(ROTATE_180) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((x-2, y-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, y-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((x-2, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_rotate_270(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(ROTATE_270) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((y-2, 1))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((y-2, x-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, x-2))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_transpose(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(TRANSPOSE) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((1, 1))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((1, x-2))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((y-2, 1))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((y-2, x-2))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_tranverse(self): - def transpose(mode): - im = self.hopper[mode] - out = im.transpose(TRANSVERSE) - self.assertEqual(out.mode, mode) - self.assertEqual(out.size, im.size[::-1]) - - x, y = im.size - self.assertEqual(im.getpixel((1, 1)), out.getpixel((y-2, x-2))) - self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((y-2, 1))) - self.assertEqual(im.getpixel((1, y-2)), out.getpixel((1, x-2))) - self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, 1))) - - for mode in ("L", "RGB"): - transpose(mode) - - def test_roundtrip(self): - im = self.hopper['L'] +from PIL.Image import ( + FLIP_LEFT_RIGHT, + FLIP_TOP_BOTTOM, + ROTATE_90, + ROTATE_180, + ROTATE_270, + TRANSPOSE, + TRANSVERSE, +) + +from . import helper +from .helper import assert_image_equal + +HOPPER = { + mode: helper.hopper(mode).crop((0, 0, 121, 127)).copy() + for mode in ["L", "RGB", "I;16", "I;16L", "I;16B"] +} + + +def test_flip_left_right(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(FLIP_LEFT_RIGHT) + assert out.mode == mode + assert out.size == im.size + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((x - 2, 1)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1)) + assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, y - 2)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, y - 2)) + + for mode in HOPPER: + transpose(mode) + + +def test_flip_top_bottom(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(FLIP_TOP_BOTTOM) + assert out.mode == mode + assert out.size == im.size + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((1, y - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((x - 2, y - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((1, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((x - 2, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_rotate_90(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(ROTATE_90) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((1, x - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, 1)) + assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, x - 2)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_rotate_180(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(ROTATE_180) + assert out.mode == mode + assert out.size == im.size + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((x - 2, y - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, y - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((x - 2, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_rotate_270(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(ROTATE_270) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((y - 2, 1)) + assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, x - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((1, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, x - 2)) + + for mode in HOPPER: + transpose(mode) + + +def test_transpose(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(TRANSPOSE) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((1, 1)) + assert im.getpixel((x - 2, 1)) == out.getpixel((1, x - 2)) + assert im.getpixel((1, y - 2)) == out.getpixel((y - 2, 1)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((y - 2, x - 2)) + + for mode in HOPPER: + transpose(mode) + + +def test_tranverse(): + def transpose(mode): + im = HOPPER[mode] + out = im.transpose(TRANSVERSE) + assert out.mode == mode + assert out.size == im.size[::-1] + + x, y = im.size + assert im.getpixel((1, 1)) == out.getpixel((y - 2, x - 2)) + assert im.getpixel((x - 2, 1)) == out.getpixel((y - 2, 1)) + assert im.getpixel((1, y - 2)) == out.getpixel((1, x - 2)) + assert im.getpixel((x - 2, y - 2)) == out.getpixel((1, 1)) + + for mode in HOPPER: + transpose(mode) + + +def test_roundtrip(): + for mode in HOPPER: + im = HOPPER[mode] def transpose(first, second): return im.transpose(first).transpose(second) - self.assert_image_equal( - im, transpose(FLIP_LEFT_RIGHT, FLIP_LEFT_RIGHT)) - self.assert_image_equal( - im, transpose(FLIP_TOP_BOTTOM, FLIP_TOP_BOTTOM)) - self.assert_image_equal(im, transpose(ROTATE_90, ROTATE_270)) - self.assert_image_equal(im, transpose(ROTATE_180, ROTATE_180)) - self.assert_image_equal( - im.transpose(TRANSPOSE), transpose(ROTATE_90, FLIP_TOP_BOTTOM)) - self.assert_image_equal( - im.transpose(TRANSPOSE), transpose(ROTATE_270, FLIP_LEFT_RIGHT)) - self.assert_image_equal( - im.transpose(TRANSVERSE), transpose(ROTATE_90, FLIP_LEFT_RIGHT)) - self.assert_image_equal( - im.transpose(TRANSVERSE), transpose(ROTATE_270, FLIP_TOP_BOTTOM)) - self.assert_image_equal( - im.transpose(TRANSVERSE), transpose(ROTATE_180, TRANSPOSE)) - - -if __name__ == '__main__': - unittest.main() + assert_image_equal(im, transpose(FLIP_LEFT_RIGHT, FLIP_LEFT_RIGHT)) + assert_image_equal(im, transpose(FLIP_TOP_BOTTOM, FLIP_TOP_BOTTOM)) + assert_image_equal(im, transpose(ROTATE_90, ROTATE_270)) + assert_image_equal(im, transpose(ROTATE_180, ROTATE_180)) + assert_image_equal( + im.transpose(TRANSPOSE), transpose(ROTATE_90, FLIP_TOP_BOTTOM) + ) + assert_image_equal( + im.transpose(TRANSPOSE), transpose(ROTATE_270, FLIP_LEFT_RIGHT) + ) + assert_image_equal( + im.transpose(TRANSVERSE), transpose(ROTATE_90, FLIP_LEFT_RIGHT) + ) + assert_image_equal( + im.transpose(TRANSVERSE), transpose(ROTATE_270, FLIP_TOP_BOTTOM) + ) + assert_image_equal(im.transpose(TRANSVERSE), transpose(ROTATE_180, TRANSPOSE)) diff --git a/Tests/test_imagechops.py b/Tests/test_imagechops.py index 4e30dc1752c..b839a7b140a 100644 --- a/Tests/test_imagechops.py +++ b/Tests/test_imagechops.py @@ -1,72 +1,428 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image -from PIL import ImageChops - - -class TestImageChops(PillowTestCase): - - def test_sanity(self): - - im = hopper("L") - - ImageChops.constant(im, 128) - ImageChops.duplicate(im) - ImageChops.invert(im) - ImageChops.lighter(im, im) - ImageChops.darker(im, im) - ImageChops.difference(im, im) - ImageChops.multiply(im, im) - ImageChops.screen(im, im) - - ImageChops.add(im, im) - ImageChops.add(im, im, 2.0) - ImageChops.add(im, im, 2.0, 128) - ImageChops.subtract(im, im) - ImageChops.subtract(im, im, 2.0) - ImageChops.subtract(im, im, 2.0, 128) - - ImageChops.add_modulo(im, im) - ImageChops.subtract_modulo(im, im) - - ImageChops.blend(im, im, 0.5) - ImageChops.composite(im, im, im) - - ImageChops.offset(im, 10) - ImageChops.offset(im, 10, 20) - - def test_logical(self): - - def table(op, a, b): - out = [] - for x in (a, b): - imx = Image.new("1", (1, 1), x) - for y in (a, b): - imy = Image.new("1", (1, 1), y) - out.append(op(imx, imy).getpixel((0, 0))) - return tuple(out) - - self.assertEqual( - table(ImageChops.logical_and, 0, 1), (0, 0, 0, 255)) - self.assertEqual( - table(ImageChops.logical_or, 0, 1), (0, 255, 255, 255)) - self.assertEqual( - table(ImageChops.logical_xor, 0, 1), (0, 255, 255, 0)) - - self.assertEqual( - table(ImageChops.logical_and, 0, 128), (0, 0, 0, 255)) - self.assertEqual( - table(ImageChops.logical_or, 0, 128), (0, 255, 255, 255)) - self.assertEqual( - table(ImageChops.logical_xor, 0, 128), (0, 255, 255, 0)) - - self.assertEqual( - table(ImageChops.logical_and, 0, 255), (0, 0, 0, 255)) - self.assertEqual( - table(ImageChops.logical_or, 0, 255), (0, 255, 255, 255)) - self.assertEqual( - table(ImageChops.logical_xor, 0, 255), (0, 255, 255, 0)) - - -if __name__ == '__main__': - unittest.main() +from PIL import Image, ImageChops + +from .helper import assert_image_equal, hopper + +BLACK = (0, 0, 0) +BROWN = (127, 64, 0) +CYAN = (0, 255, 255) +DARK_GREEN = (0, 128, 0) +GREEN = (0, 255, 0) +ORANGE = (255, 128, 0) +WHITE = (255, 255, 255) + +GREY = 128 + + +def test_sanity(): + im = hopper("L") + + ImageChops.constant(im, 128) + ImageChops.duplicate(im) + ImageChops.invert(im) + ImageChops.lighter(im, im) + ImageChops.darker(im, im) + ImageChops.difference(im, im) + ImageChops.multiply(im, im) + ImageChops.screen(im, im) + + ImageChops.add(im, im) + ImageChops.add(im, im, 2.0) + ImageChops.add(im, im, 2.0, 128) + ImageChops.subtract(im, im) + ImageChops.subtract(im, im, 2.0) + ImageChops.subtract(im, im, 2.0, 128) + + ImageChops.add_modulo(im, im) + ImageChops.subtract_modulo(im, im) + + ImageChops.blend(im, im, 0.5) + ImageChops.composite(im, im, im) + + ImageChops.soft_light(im, im) + ImageChops.hard_light(im, im) + ImageChops.overlay(im, im) + + ImageChops.offset(im, 10) + ImageChops.offset(im, 10, 20) + + +def test_add(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.add(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == ORANGE + + +def test_add_scale_offset(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.add(im1, im2, scale=2.5, offset=100) + + # Assert + assert new.getbbox() == (0, 0, 100, 100) + assert new.getpixel((50, 50)) == (202, 151, 100) + + +def test_add_clip(): + # Arrange + im = hopper() + + # Act + new = ImageChops.add(im, im) + + # Assert + assert new.getpixel((50, 50)) == (255, 255, 254) + + +def test_add_modulo(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.add_modulo(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == ORANGE + + +def test_add_modulo_no_clip(): + # Arrange + im = hopper() + + # Act + new = ImageChops.add_modulo(im, im) + + # Assert + assert new.getpixel((50, 50)) == (224, 76, 254) + + +def test_blend(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.blend(im1, im2, 0.5) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == BROWN + + +def test_constant(): + # Arrange + im = Image.new("RGB", (20, 10)) + + # Act + new = ImageChops.constant(im, GREY) + + # Assert + assert new.size == im.size + assert new.getpixel((0, 0)) == GREY + assert new.getpixel((19, 9)) == GREY + + +def test_darker_image(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.darker(im1, im2) + + # Assert + assert_image_equal(new, im2) + + +def test_darker_pixel(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.darker(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (240, 166, 0) + + +def test_difference(): + # Arrange + with Image.open("Tests/images/imagedraw_arc_end_le_start.png") as im1: + with Image.open("Tests/images/imagedraw_arc_no_loops.png") as im2: + + # Act + new = ImageChops.difference(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + + +def test_difference_pixel(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_polygon_kite_RGB.png") as im2: + + # Act + new = ImageChops.difference(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (240, 166, 128) + + +def test_duplicate(): + # Arrange + im = hopper() + + # Act + new = ImageChops.duplicate(im) + + # Assert + assert_image_equal(new, im) + + +def test_invert(): + # Arrange + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im: + + # Act + new = ImageChops.invert(im) + + # Assert + assert new.getbbox() == (0, 0, 100, 100) + assert new.getpixel((0, 0)) == WHITE + assert new.getpixel((50, 50)) == CYAN + + +def test_lighter_image(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.lighter(im1, im2) + + # Assert + assert_image_equal(new, im1) + + +def test_lighter_pixel(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.lighter(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (255, 255, 127) + + +def test_multiply_black(): + """If you multiply an image with a solid black image, + the result is black.""" + # Arrange + im1 = hopper() + black = Image.new("RGB", im1.size, "black") + + # Act + new = ImageChops.multiply(im1, black) + + # Assert + assert_image_equal(new, black) + + +def test_multiply_green(): + # Arrange + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im: + green = Image.new("RGB", im.size, "green") + + # Act + new = ImageChops.multiply(im, green) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((25, 25)) == DARK_GREEN + assert new.getpixel((50, 50)) == BLACK + + +def test_multiply_white(): + """If you multiply with a solid white image, the image is unaffected.""" + # Arrange + im1 = hopper() + white = Image.new("RGB", im1.size, "white") + + # Act + new = ImageChops.multiply(im1, white) + + # Assert + assert_image_equal(new, im1) + + +def test_offset(): + # Arrange + xoffset = 45 + yoffset = 20 + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im: + + # Act + new = ImageChops.offset(im, xoffset, yoffset) + + # Assert + assert new.getbbox() == (0, 45, 100, 96) + assert new.getpixel((50, 50)) == BLACK + assert new.getpixel((50 + xoffset, 50 + yoffset)) == DARK_GREEN + + # Test no yoffset + assert ImageChops.offset(im, xoffset) == ImageChops.offset(im, xoffset, xoffset) + + +def test_screen(): + # Arrange + with Image.open("Tests/images/imagedraw_ellipse_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_floodfill_RGB.png") as im2: + + # Act + new = ImageChops.screen(im1, im2) + + # Assert + assert new.getbbox() == (25, 25, 76, 76) + assert new.getpixel((50, 50)) == ORANGE + + +def test_subtract(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract(im1, im2) + + # Assert + assert new.getbbox() == (25, 50, 76, 76) + assert new.getpixel((50, 51)) == GREEN + assert new.getpixel((50, 52)) == BLACK + + +def test_subtract_scale_offset(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract(im1, im2, scale=2.5, offset=100) + + # Assert + assert new.getbbox() == (0, 0, 100, 100) + assert new.getpixel((50, 50)) == (100, 202, 100) + + +def test_subtract_clip(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (0, 0, 127) + + +def test_subtract_modulo(): + # Arrange + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im1: + with Image.open("Tests/images/imagedraw_outline_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract_modulo(im1, im2) + + # Assert + assert new.getbbox() == (25, 50, 76, 76) + assert new.getpixel((50, 51)) == GREEN + assert new.getpixel((50, 52)) == BLACK + + +def test_subtract_modulo_no_clip(): + # Arrange + im1 = hopper() + with Image.open("Tests/images/imagedraw_chord_RGB.png") as im2: + + # Act + new = ImageChops.subtract_modulo(im1, im2) + + # Assert + assert new.getpixel((50, 50)) == (241, 167, 127) + + +def test_soft_light(): + # Arrange + with Image.open("Tests/images/hopper.png") as im1: + with Image.open("Tests/images/hopper-XYZ.png") as im2: + + # Act + new = ImageChops.soft_light(im1, im2) + + # Assert + assert new.getpixel((64, 64)) == (163, 54, 32) + assert new.getpixel((15, 100)) == (1, 1, 3) + + +def test_hard_light(): + # Arrange + with Image.open("Tests/images/hopper.png") as im1: + with Image.open("Tests/images/hopper-XYZ.png") as im2: + + # Act + new = ImageChops.hard_light(im1, im2) + + # Assert + assert new.getpixel((64, 64)) == (144, 50, 27) + assert new.getpixel((15, 100)) == (1, 1, 2) + + +def test_overlay(): + # Arrange + with Image.open("Tests/images/hopper.png") as im1: + with Image.open("Tests/images/hopper-XYZ.png") as im2: + + # Act + new = ImageChops.overlay(im1, im2) + + # Assert + assert new.getpixel((64, 64)) == (159, 50, 27) + assert new.getpixel((15, 100)) == (1, 1, 2) + + +def test_logical(): + def table(op, a, b): + out = [] + for x in (a, b): + imx = Image.new("1", (1, 1), x) + for y in (a, b): + imy = Image.new("1", (1, 1), y) + out.append(op(imx, imy).getpixel((0, 0))) + return tuple(out) + + assert table(ImageChops.logical_and, 0, 1) == (0, 0, 0, 255) + assert table(ImageChops.logical_or, 0, 1) == (0, 255, 255, 255) + assert table(ImageChops.logical_xor, 0, 1) == (0, 255, 255, 0) + + assert table(ImageChops.logical_and, 0, 128) == (0, 0, 0, 255) + assert table(ImageChops.logical_or, 0, 128) == (0, 255, 255, 255) + assert table(ImageChops.logical_xor, 0, 128) == (0, 255, 255, 0) + + assert table(ImageChops.logical_and, 0, 255) == (0, 0, 0, 255) + assert table(ImageChops.logical_or, 0, 255) == (0, 255, 255, 255) + assert table(ImageChops.logical_xor, 0, 255) == (0, 255, 255, 0) diff --git a/Tests/test_imagecms.py b/Tests/test_imagecms.py index 9e304ae01ef..99f3b4e0329 100644 --- a/Tests/test_imagecms.py +++ b/Tests/test_imagecms.py @@ -1,17 +1,28 @@ -from helper import unittest, PillowTestCase, hopper import datetime +import os +import re +import shutil +from io import BytesIO -from PIL import Image, ImageMode +import pytest -from io import BytesIO -import os +from PIL import Image, ImageMode, features + +from .helper import ( + assert_image, + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + hopper, +) try: from PIL import ImageCms from PIL.ImageCms import ImageCmsProfile + ImageCms.core.profile_open -except ImportError as v: - # Skipped via setUp() +except ImportError: + # Skipped via setup_module() pass @@ -19,423 +30,566 @@ HAVE_PROFILE = os.path.exists(SRGB) -class TestImageCms(PillowTestCase): +def setup_module(): + try: + from PIL import ImageCms - def setUp(self): - try: - from PIL import ImageCms - # need to hit getattr to trigger the delayed import error - ImageCms.core.profile_open - except ImportError as v: - self.skipTest(v) + # need to hit getattr to trigger the delayed import error + ImageCms.core.profile_open + except ImportError as v: + pytest.skip(str(v)) - def skip_missing(self): - if not HAVE_PROFILE: - self.skipTest("SRGB profile not available") - def test_sanity(self): +def skip_missing(): + if not HAVE_PROFILE: + pytest.skip("SRGB profile not available") - # basic smoke test. - # this mostly follows the cms_test outline. - v = ImageCms.versions() # should return four strings - self.assertEqual(v[0], '1.0.0 pil') - self.assertEqual(list(map(type, v)), [str, str, str, str]) +def test_sanity(): + # basic smoke test. + # this mostly follows the cms_test outline. - # internal version number - self.assertRegexpMatches(ImageCms.core.littlecms_version, r"\d+\.\d+$") + v = ImageCms.versions() # should return four strings + assert v[0] == "1.0.0 pil" + assert list(map(type, v)) == [str, str, str, str] - self.skip_missing() - i = ImageCms.profileToProfile(hopper(), SRGB, SRGB) - self.assert_image(i, "RGB", (128, 128)) + # internal version number + assert re.search(r"\d+\.\d+(\.\d+)?$", features.version_module("littlecms2")) - i = hopper() - ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True) - self.assert_image(i, "RGB", (128, 128)) + skip_missing() + i = ImageCms.profileToProfile(hopper(), SRGB, SRGB) + assert_image(i, "RGB", (128, 128)) - t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB") - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "RGB", (128, 128)) + i = hopper() + ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True) + assert_image(i, "RGB", (128, 128)) - i = hopper() + t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB") + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "RGB", (128, 128)) + + with hopper() as i: t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB") ImageCms.applyTransform(hopper(), t, inPlace=True) - self.assert_image(i, "RGB", (128, 128)) - - p = ImageCms.createProfile("sRGB") - o = ImageCms.getOpenProfile(SRGB) - t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB") - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "RGB", (128, 128)) - - t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB") - self.assertEqual(t.inputMode, "RGB") - self.assertEqual(t.outputMode, "RGB") - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "RGB", (128, 128)) - - # test PointTransform convenience API - hopper().point(t) - - def test_name(self): - self.skip_missing() - # get profile information for file - self.assertEqual( - ImageCms.getProfileName(SRGB).strip(), - 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - - def test_info(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileInfo(SRGB).splitlines(), [ - 'sRGB IEC61966-2-1 black scaled', '', - 'Copyright International Color Consortium, 2009', '']) - - def test_copyright(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileCopyright(SRGB).strip(), - 'Copyright International Color Consortium, 2009') - - def test_manufacturer(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileManufacturer(SRGB).strip(), - '') - - def test_model(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileModel(SRGB).strip(), - 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - - def test_description(self): - self.skip_missing() - self.assertEqual( - ImageCms.getProfileDescription(SRGB).strip(), - 'sRGB IEC61966-2-1 black scaled') - - def test_intent(self): - self.skip_missing() - self.assertEqual(ImageCms.getDefaultIntent(SRGB), 0) - self.assertEqual(ImageCms.isIntentSupported( - SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, - ImageCms.DIRECTION_INPUT), 1) - - def test_profile_object(self): - # same, using profile object - p = ImageCms.createProfile("sRGB") - # self.assertEqual(ImageCms.getProfileName(p).strip(), - # 'sRGB built-in - (lcms internal)') - # self.assertEqual(ImageCms.getProfileInfo(p).splitlines(), - # ['sRGB built-in', '', 'WhitePoint : D65 (daylight)', '', '']) - self.assertEqual(ImageCms.getDefaultIntent(p), 0) - self.assertEqual(ImageCms.isIntentSupported( - p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, - ImageCms.DIRECTION_INPUT), 1) - - def test_extensions(self): - # extensions - - i = Image.open("Tests/images/rgb.jpg") + assert_image(i, "RGB", (128, 128)) + + p = ImageCms.createProfile("sRGB") + o = ImageCms.getOpenProfile(SRGB) + t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB") + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "RGB", (128, 128)) + + t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB") + assert t.inputMode == "RGB" + assert t.outputMode == "RGB" + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "RGB", (128, 128)) + + # test PointTransform convenience API + hopper().point(t) + + +def test_name(): + skip_missing() + # get profile information for file + assert ( + ImageCms.getProfileName(SRGB).strip() + == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + ) + + +def test_info(): + skip_missing() + assert ImageCms.getProfileInfo(SRGB).splitlines() == [ + "sRGB IEC61966-2-1 black scaled", + "", + "Copyright International Color Consortium, 2009", + "", + ] + + +def test_copyright(): + skip_missing() + assert ( + ImageCms.getProfileCopyright(SRGB).strip() + == "Copyright International Color Consortium, 2009" + ) + + +def test_manufacturer(): + skip_missing() + assert ImageCms.getProfileManufacturer(SRGB).strip() == "" + + +def test_model(): + skip_missing() + assert ( + ImageCms.getProfileModel(SRGB).strip() + == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + ) + + +def test_description(): + skip_missing() + assert ( + ImageCms.getProfileDescription(SRGB).strip() == "sRGB IEC61966-2-1 black scaled" + ) + + +def test_intent(): + skip_missing() + assert ImageCms.getDefaultIntent(SRGB) == 0 + support = ImageCms.isIntentSupported( + SRGB, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, ImageCms.DIRECTION_INPUT + ) + assert support == 1 + + +def test_profile_object(): + # same, using profile object + p = ImageCms.createProfile("sRGB") + # assert ImageCms.getProfileName(p).strip() == "sRGB built-in - (lcms internal)" + # assert ImageCms.getProfileInfo(p).splitlines() == + # ["sRGB built-in", "", "WhitePoint : D65 (daylight)", "", ""] + assert ImageCms.getDefaultIntent(p) == 0 + support = ImageCms.isIntentSupported( + p, ImageCms.INTENT_ABSOLUTE_COLORIMETRIC, ImageCms.DIRECTION_INPUT + ) + assert support == 1 + + +def test_extensions(): + # extensions + + with Image.open("Tests/images/rgb.jpg") as i: p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"])) - self.assertEqual( - ImageCms.getProfileName(p).strip(), - 'IEC 61966-2.1 Default RGB colour space - sRGB') - - def test_exceptions(self): - # Test mode mismatch - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") - self.assertRaises(ValueError, t.apply_in_place, hopper("RGBA")) - - # the procedural pyCMS API uses PyCMSError for all sorts of errors - self.assertRaises( - ImageCms.PyCMSError, - ImageCms.profileToProfile, hopper(), "foo", "bar") - self.assertRaises( - ImageCms.PyCMSError, - ImageCms.buildTransform, "foo", "bar", "RGB", "RGB") - self.assertRaises( - ImageCms.PyCMSError, - ImageCms.getProfileName, None) - self.skip_missing() - self.assertRaises( - ImageCms.PyCMSError, - ImageCms.isIntentSupported, SRGB, None, None) - - def test_display_profile(self): - # try fetching the profile for the current display device - ImageCms.get_display_profile() - - def test_lab_color_profile(self): - ImageCms.createProfile("LAB", 5000) - ImageCms.createProfile("LAB", 6500) - - def test_unsupported_color_space(self): - self.assertRaises(ImageCms.PyCMSError, - ImageCms.createProfile, "unsupported") - - def test_invalid_color_temperature(self): - self.assertRaises(ImageCms.PyCMSError, - ImageCms.createProfile, "LAB", "invalid") - - def test_simple_lab(self): - i = Image.new('RGB', (10, 10), (128, 128, 128)) - - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - - i_lab = ImageCms.applyTransform(i, t) - - self.assertEqual(i_lab.mode, 'LAB') - - k = i_lab.getpixel((0, 0)) - # not a linear luminance map. so L != 128: - self.assertEqual(k, (137, 128, 128)) - - l = i_lab.getdata(0) - a = i_lab.getdata(1) - b = i_lab.getdata(2) - - self.assertEqual(list(l), [137] * 100) - self.assertEqual(list(a), [128] * 100) - self.assertEqual(list(b), [128] * 100) - - def test_lab_color(self): - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - - # Need to add a type mapping for some PIL type to TYPE_Lab_8 in - # findLCMSType, and have that mapping work back to a PIL mode - # (likely RGB). - i = ImageCms.applyTransform(hopper(), t) - self.assert_image(i, "LAB", (128, 128)) - - # i.save('temp.lab.tif') # visually verified vs PS. - - target = Image.open('Tests/images/hopper.Lab.tif') - - self.assert_image_similar(i, target, 3.5) - - def test_lab_srgb(self): - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") - - img = Image.open('Tests/images/hopper.Lab.tif') + assert ( + ImageCms.getProfileName(p).strip() + == "IEC 61966-2.1 Default RGB colour space - sRGB" + ) + + +def test_exceptions(): + # Test mode mismatch + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + with pytest.raises(ValueError): + t.apply_in_place(hopper("RGBA")) + + # the procedural pyCMS API uses PyCMSError for all sorts of errors + with hopper() as im: + with pytest.raises(ImageCms.PyCMSError): + ImageCms.profileToProfile(im, "foo", "bar") + with pytest.raises(ImageCms.PyCMSError): + ImageCms.buildTransform("foo", "bar", "RGB", "RGB") + with pytest.raises(ImageCms.PyCMSError): + ImageCms.getProfileName(None) + skip_missing() + with pytest.raises(ImageCms.PyCMSError): + ImageCms.isIntentSupported(SRGB, None, None) + +def test_display_profile(): + # try fetching the profile for the current display device + ImageCms.get_display_profile() + + +def test_lab_color_profile(): + ImageCms.createProfile("LAB", 5000) + ImageCms.createProfile("LAB", 6500) + + +def test_unsupported_color_space(): + with pytest.raises(ImageCms.PyCMSError): + ImageCms.createProfile("unsupported") + + +def test_invalid_color_temperature(): + with pytest.raises(ImageCms.PyCMSError): + ImageCms.createProfile("LAB", "invalid") + + +def test_simple_lab(): + i = Image.new("RGB", (10, 10), (128, 128, 128)) + + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") + + i_lab = ImageCms.applyTransform(i, t) + + assert i_lab.mode == "LAB" + + k = i_lab.getpixel((0, 0)) + # not a linear luminance map. so L != 128: + assert k == (137, 128, 128) + + l_data = i_lab.getdata(0) + a_data = i_lab.getdata(1) + b_data = i_lab.getdata(2) + + assert list(l_data) == [137] * 100 + assert list(a_data) == [128] * 100 + assert list(b_data) == [128] * 100 + + +def test_lab_color(): + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") + + # Need to add a type mapping for some PIL type to TYPE_Lab_8 in findLCMSType, and + # have that mapping work back to a PIL mode (likely RGB). + i = ImageCms.applyTransform(hopper(), t) + assert_image(i, "LAB", (128, 128)) + + # i.save('temp.lab.tif') # visually verified vs PS. + + assert_image_similar_tofile(i, "Tests/images/hopper.Lab.tif", 3.5) + + +def test_lab_srgb(): + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + + with Image.open("Tests/images/hopper.Lab.tif") as img: img_srgb = ImageCms.applyTransform(img, t) - # img_srgb.save('temp.srgb.tif') # visually verified vs ps. + # img_srgb.save('temp.srgb.tif') # visually verified vs ps. + + assert_image_similar(hopper(), img_srgb, 30) + assert img_srgb.info["icc_profile"] - self.assert_image_similar(hopper(), img_srgb, 30) - self.assertTrue(img_srgb.info['icc_profile']) + profile = ImageCmsProfile(BytesIO(img_srgb.info["icc_profile"])) + assert "sRGB" in ImageCms.getProfileDescription(profile) - profile = ImageCmsProfile(BytesIO(img_srgb.info['icc_profile'])) - self.assertIn('sRGB', ImageCms.getProfileDescription(profile)) - def test_lab_roundtrip(self): - # check to see if we're at least internally consistent. - psRGB = ImageCms.createProfile("sRGB") - pLab = ImageCms.createProfile("LAB") - t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") +def test_lab_roundtrip(): + # check to see if we're at least internally consistent. + psRGB = ImageCms.createProfile("sRGB") + pLab = ImageCms.createProfile("LAB") + t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB") - t2 = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") + t2 = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB") - i = ImageCms.applyTransform(hopper(), t) + i = ImageCms.applyTransform(hopper(), t) - self.assertEqual(i.info['icc_profile'], - ImageCmsProfile(pLab).tobytes()) + assert i.info["icc_profile"] == ImageCmsProfile(pLab).tobytes() - out = ImageCms.applyTransform(i, t2) + out = ImageCms.applyTransform(i, t2) - self.assert_image_similar(hopper(), out, 2) + assert_image_similar(hopper(), out, 2) - def test_profile_tobytes(self): - i = Image.open("Tests/images/rgb.jpg") + +def test_profile_tobytes(): + with Image.open("Tests/images/rgb.jpg") as i: p = ImageCms.getOpenProfile(BytesIO(i.info["icc_profile"])) - p2 = ImageCms.getOpenProfile(BytesIO(p.tobytes())) - - # not the same bytes as the original icc_profile, - # but it does roundtrip - self.assertEqual(p.tobytes(), p2.tobytes()) - self.assertEqual(ImageCms.getProfileName(p), - ImageCms.getProfileName(p2)) - self.assertEqual(ImageCms.getProfileDescription(p), - ImageCms.getProfileDescription(p2)) - - def test_extended_information(self): - self.skip_missing() - o = ImageCms.getOpenProfile(SRGB) - p = o.profile - - def assert_truncated_tuple_equal(tup1, tup2, digits=10): - # Helper function to reduce precision of tuples of floats - # recursively and then check equality. - power = 10 ** digits - - def truncate_tuple(tuple_or_float): - return tuple( - truncate_tuple(val) if isinstance(val, tuple) - else int(val * power) / power for val in tuple_or_float) - self.assertEqual(truncate_tuple(tup1), truncate_tuple(tup2)) - - self.assertEqual(p.attributes, 4294967296) - assert_truncated_tuple_equal(p.blue_colorant, ((0.14306640625, 0.06060791015625, 0.7140960693359375), (0.1558847490315394, 0.06603820639433387, 0.06060791015625))) - assert_truncated_tuple_equal(p.blue_primary, ((0.14306641366715667, 0.06060790921083026, 0.7140960805782015), (0.15588475410450106, 0.06603820408959558, 0.06060790921083026))) - assert_truncated_tuple_equal(p.chromatic_adaptation, (((1.04791259765625, 0.0229339599609375, -0.050201416015625), (0.02960205078125, 0.9904632568359375, -0.0170745849609375), (-0.009246826171875, 0.0150604248046875, 0.7517852783203125)), ((1.0267159024652783, 0.022470062342089134, 0.0229339599609375), (0.02951378324103937, 0.9875098886387147, 0.9904632568359375), (-0.012205438066465256, 0.01987915407854985, 0.0150604248046875)))) - self.assertIsNone(p.chromaticity) - self.assertEqual(p.clut, {0: (False, False, True), 1: (False, False, True), 2: (False, False, True), 3: (False, False, True)}) - self.assertEqual(p.color_space, 'RGB') - self.assertIsNone(p.colorant_table) - self.assertIsNone(p.colorant_table_out) - self.assertIsNone(p.colorimetric_intent) - self.assertEqual(p.connection_space, 'XYZ ') - self.assertEqual(p.copyright, 'Copyright International Color Consortium, 2009') - self.assertEqual(p.creation_date, datetime.datetime(2009, 2, 27, 21, 36, 31)) - self.assertEqual(p.device_class, 'mntr') - assert_truncated_tuple_equal(p.green_colorant, ((0.3851470947265625, 0.7168731689453125, 0.097076416015625), (0.32119769927720654, 0.5978443449048152, 0.7168731689453125))) - assert_truncated_tuple_equal(p.green_primary, ((0.3851470888162112, 0.7168731974161346, 0.09707641738998518), (0.32119768793686687, 0.5978443567149709, 0.7168731974161346))) - self.assertEqual(p.header_flags, 0) - self.assertEqual(p.header_manufacturer, '\x00\x00\x00\x00') - self.assertEqual(p.header_model, '\x00\x00\x00\x00') - self.assertEqual(p.icc_measurement_condition, {'backing': (0.0, 0.0, 0.0), 'flare': 0.0, 'geo': 'unknown', 'observer': 1, 'illuminant_type': 'D65'}) - self.assertEqual(p.icc_version, 33554432) - self.assertIsNone(p.icc_viewing_condition) - self.assertEqual(p.intent_supported, {0: (True, True, True), 1: (True, True, True), 2: (True, True, True), 3: (True, True, True)}) - self.assertTrue(p.is_matrix_shaper) - self.assertEqual(p.luminance, ((0.0, 80.0, 0.0), (0.0, 1.0, 80.0))) - self.assertIsNone(p.manufacturer) - assert_truncated_tuple_equal(p.media_black_point, ((0.012054443359375, 0.0124969482421875, 0.01031494140625), (0.34573304157549234, 0.35842450765864337, 0.0124969482421875))) - assert_truncated_tuple_equal(p.media_white_point, ((0.964202880859375, 1.0, 0.8249053955078125), (0.3457029219802284, 0.3585375327567059, 1.0))) - assert_truncated_tuple_equal((p.media_white_point_temperature,), (5000.722328847392,)) - self.assertEqual(p.model, 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - self.assertEqual(p.pcs, 'XYZ') - self.assertIsNone(p.perceptual_rendering_intent_gamut) - self.assertEqual(p.product_copyright, 'Copyright International Color Consortium, 2009') - self.assertEqual(p.product_desc, 'sRGB IEC61966-2-1 black scaled') - self.assertEqual(p.product_description, 'sRGB IEC61966-2-1 black scaled') - self.assertEqual(p.product_manufacturer, '') - self.assertEqual(p.product_model, 'IEC 61966-2-1 Default RGB Colour Space - sRGB') - self.assertEqual(p.profile_description, 'sRGB IEC61966-2-1 black scaled') - self.assertEqual(p.profile_id, b')\xf8=\xde\xaf\xf2U\xaexB\xfa\xe4\xca\x839\r') - assert_truncated_tuple_equal(p.red_colorant, ((0.436065673828125, 0.2224884033203125, 0.013916015625), (0.6484536316398539, 0.3308524880306778, 0.2224884033203125))) - assert_truncated_tuple_equal(p.red_primary, ((0.43606566581047446, 0.22248840582960838, 0.013916015621759925), (0.6484536250319214, 0.3308524944738204, 0.22248840582960838))) - self.assertEqual(p.rendering_intent, 0) - self.assertIsNone(p.saturation_rendering_intent_gamut) - self.assertIsNone(p.screening_description) - self.assertIsNone(p.target) - self.assertEqual(p.technology, 'CRT ') - self.assertEqual(p.version, 2.0) - self.assertEqual(p.viewing_condition, 'Reference Viewing Condition in IEC 61966-2-1') - self.assertEqual(p.xcolor_space, 'RGB ') - - def test_profile_typesafety(self): - """ Profile init type safety - - prepatch, these would segfault, postpatch they should emit a typeerror - """ - - with self.assertRaises(TypeError): - ImageCms.ImageCmsProfile(0).tobytes() - with self.assertRaises(TypeError): - ImageCms.ImageCmsProfile(1).tobytes() - - def assert_aux_channel_preserved(self, mode, transform_in_place, preserved_channel): - def create_test_image(): - # set up test image with something interesting in the tested aux - # channel. - nine_grid_deltas = [ - (-1, -1), (-1, 0), (-1, 1), - ( 0, -1), ( 0, 0), ( 0, 1), - ( 1, -1), ( 1, 0), ( 1, 1), - ] - chans = [] - bands = ImageMode.getmode(mode).bands - for band_ndx in range(len(bands)): - channel_type = 'L' # 8-bit unorm - channel_pattern = hopper(channel_type) - - # paste pattern with varying offsets to avoid correlation - # potentially hiding some bugs (like channels getting mixed). - paste_offset = ( - int(band_ndx / float(len(bands)) * channel_pattern.size[0]), - int(band_ndx / float(len(bands) * 2) * channel_pattern.size[1]) - ) - channel_data = Image.new(channel_type, channel_pattern.size) - for delta in nine_grid_deltas: - channel_data.paste(channel_pattern, tuple(paste_offset[c] + delta[c]*channel_pattern.size[c] for c in range(2))) - chans.append(channel_data) - return Image.merge(mode, chans) - - source_image = create_test_image() - source_image_aux = source_image.getchannel(preserved_channel) - - # create some transform, it doesn't matter which one - source_profile = ImageCms.createProfile("sRGB") - destination_profile = ImageCms.createProfile("sRGB") - t = ImageCms.buildTransform(source_profile, destination_profile, inMode=mode, outMode=mode) - - # apply transform - if transform_in_place: - ImageCms.applyTransform(source_image, t, inPlace=True) - result_image = source_image - else: - result_image = ImageCms.applyTransform(source_image, t, inPlace=False) - result_image_aux = result_image.getchannel(preserved_channel) - - self.assert_image_equal(source_image_aux, result_image_aux) - - def test_preserve_auxiliary_channels_rgba(self): - self.assert_aux_channel_preserved(mode='RGBA', transform_in_place=False, preserved_channel='A') - - def test_preserve_auxiliary_channels_rgba_in_place(self): - self.assert_aux_channel_preserved(mode='RGBA', transform_in_place=True, preserved_channel='A') - - def test_preserve_auxiliary_channels_rgbx(self): - self.assert_aux_channel_preserved(mode='RGBX', transform_in_place=False, preserved_channel='X') - - def test_preserve_auxiliary_channels_rgbx_in_place(self): - self.assert_aux_channel_preserved(mode='RGBX', transform_in_place=True, preserved_channel='X') - - def test_auxiliary_channels_isolated(self): - # test data in aux channels does not affect non-aux channels - aux_channel_formats = [ - # format, profile, color-only format, source test image - ('RGBA', 'sRGB', 'RGB', hopper('RGBA')), - ('RGBX', 'sRGB', 'RGB', hopper('RGBX')), - ('LAB', 'LAB', 'LAB', Image.open('Tests/images/hopper.Lab.tif')), + p2 = ImageCms.getOpenProfile(BytesIO(p.tobytes())) + + # not the same bytes as the original icc_profile, but it does roundtrip + assert p.tobytes() == p2.tobytes() + assert ImageCms.getProfileName(p) == ImageCms.getProfileName(p2) + assert ImageCms.getProfileDescription(p) == ImageCms.getProfileDescription(p2) + + +def test_extended_information(): + skip_missing() + o = ImageCms.getOpenProfile(SRGB) + p = o.profile + + def assert_truncated_tuple_equal(tup1, tup2, digits=10): + # Helper function to reduce precision of tuples of floats + # recursively and then check equality. + power = 10 ** digits + + def truncate_tuple(tuple_or_float): + return tuple( + truncate_tuple(val) + if isinstance(val, tuple) + else int(val * power) / power + for val in tuple_or_float + ) + + assert truncate_tuple(tup1) == truncate_tuple(tup2) + + assert p.attributes == 4294967296 + assert_truncated_tuple_equal( + p.blue_colorant, + ( + (0.14306640625, 0.06060791015625, 0.7140960693359375), + (0.1558847490315394, 0.06603820639433387, 0.06060791015625), + ), + ) + assert_truncated_tuple_equal( + p.blue_primary, + ( + (0.14306641366715667, 0.06060790921083026, 0.7140960805782015), + (0.15588475410450106, 0.06603820408959558, 0.06060790921083026), + ), + ) + assert_truncated_tuple_equal( + p.chromatic_adaptation, + ( + ( + (1.04791259765625, 0.0229339599609375, -0.050201416015625), + (0.02960205078125, 0.9904632568359375, -0.0170745849609375), + (-0.009246826171875, 0.0150604248046875, 0.7517852783203125), + ), + ( + (1.0267159024652783, 0.022470062342089134, 0.0229339599609375), + (0.02951378324103937, 0.9875098886387147, 0.9904632568359375), + (-0.012205438066465256, 0.01987915407854985, 0.0150604248046875), + ), + ), + ) + assert p.chromaticity is None + assert p.clut == { + 0: (False, False, True), + 1: (False, False, True), + 2: (False, False, True), + 3: (False, False, True), + } + + assert p.colorant_table is None + assert p.colorant_table_out is None + assert p.colorimetric_intent is None + assert p.connection_space == "XYZ " + assert p.copyright == "Copyright International Color Consortium, 2009" + assert p.creation_date == datetime.datetime(2009, 2, 27, 21, 36, 31) + assert p.device_class == "mntr" + assert_truncated_tuple_equal( + p.green_colorant, + ( + (0.3851470947265625, 0.7168731689453125, 0.097076416015625), + (0.32119769927720654, 0.5978443449048152, 0.7168731689453125), + ), + ) + assert_truncated_tuple_equal( + p.green_primary, + ( + (0.3851470888162112, 0.7168731974161346, 0.09707641738998518), + (0.32119768793686687, 0.5978443567149709, 0.7168731974161346), + ), + ) + assert p.header_flags == 0 + assert p.header_manufacturer == "\x00\x00\x00\x00" + assert p.header_model == "\x00\x00\x00\x00" + assert p.icc_measurement_condition == { + "backing": (0.0, 0.0, 0.0), + "flare": 0.0, + "geo": "unknown", + "observer": 1, + "illuminant_type": "D65", + } + assert p.icc_version == 33554432 + assert p.icc_viewing_condition is None + assert p.intent_supported == { + 0: (True, True, True), + 1: (True, True, True), + 2: (True, True, True), + 3: (True, True, True), + } + assert p.is_matrix_shaper + assert p.luminance == ((0.0, 80.0, 0.0), (0.0, 1.0, 80.0)) + assert p.manufacturer is None + assert_truncated_tuple_equal( + p.media_black_point, + ( + (0.012054443359375, 0.0124969482421875, 0.01031494140625), + (0.34573304157549234, 0.35842450765864337, 0.0124969482421875), + ), + ) + assert_truncated_tuple_equal( + p.media_white_point, + ( + (0.964202880859375, 1.0, 0.8249053955078125), + (0.3457029219802284, 0.3585375327567059, 1.0), + ), + ) + assert_truncated_tuple_equal( + (p.media_white_point_temperature,), (5000.722328847392,) + ) + assert p.model == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + + assert p.perceptual_rendering_intent_gamut is None + + assert p.profile_description == "sRGB IEC61966-2-1 black scaled" + assert p.profile_id == b")\xf8=\xde\xaf\xf2U\xaexB\xfa\xe4\xca\x839\r" + assert_truncated_tuple_equal( + p.red_colorant, + ( + (0.436065673828125, 0.2224884033203125, 0.013916015625), + (0.6484536316398539, 0.3308524880306778, 0.2224884033203125), + ), + ) + assert_truncated_tuple_equal( + p.red_primary, + ( + (0.43606566581047446, 0.22248840582960838, 0.013916015621759925), + (0.6484536250319214, 0.3308524944738204, 0.22248840582960838), + ), + ) + assert p.rendering_intent == 0 + assert p.saturation_rendering_intent_gamut is None + assert p.screening_description is None + assert p.target is None + assert p.technology == "CRT " + assert p.version == 2.0 + assert p.viewing_condition == "Reference Viewing Condition in IEC 61966-2-1" + assert p.xcolor_space == "RGB " + + +def test_non_ascii_path(tmp_path): + skip_missing() + tempfile = str(tmp_path / ("temp_" + chr(128) + ".icc")) + try: + shutil.copy(SRGB, tempfile) + except UnicodeEncodeError: + pytest.skip("Non-ASCII path could not be created") + + o = ImageCms.getOpenProfile(tempfile) + p = o.profile + assert p.model == "IEC 61966-2-1 Default RGB Colour Space - sRGB" + + +def test_profile_typesafety(): + """Profile init type safety + + prepatch, these would segfault, postpatch they should emit a typeerror + """ + + with pytest.raises(TypeError): + ImageCms.ImageCmsProfile(0).tobytes() + with pytest.raises(TypeError): + ImageCms.ImageCmsProfile(1).tobytes() + + +def assert_aux_channel_preserved(mode, transform_in_place, preserved_channel): + def create_test_image(): + # set up test image with something interesting in the tested aux channel. + # fmt: off + nine_grid_deltas = [ + (-1, -1), (-1, 0), (-1, 1), + (0, -1), (0, 0), (0, 1), + (1, -1), (1, 0), (1, 1), ] - for src_format in aux_channel_formats: - for dst_format in aux_channel_formats: - for transform_in_place in [True, False]: - # inplace only if format doesn't change - if transform_in_place and src_format[0] != dst_format[0]: - continue - - # convert with and without AUX data, test colors are equal - source_profile = ImageCms.createProfile(src_format[1]) - destination_profile = ImageCms.createProfile(dst_format[1]) - source_image = src_format[3] - test_transform = ImageCms.buildTransform(source_profile, destination_profile, inMode=src_format[0], outMode=dst_format[0]) - - # test conversion from aux-ful source - if transform_in_place: - test_image = source_image.copy() - ImageCms.applyTransform(test_image, test_transform, inPlace=True) - else: - test_image = ImageCms.applyTransform(source_image, test_transform, inPlace=False) - - # reference conversion from aux-less source - reference_transform = ImageCms.buildTransform(source_profile, destination_profile, inMode=src_format[2], outMode=dst_format[2]) - reference_image = ImageCms.applyTransform(source_image.convert(src_format[2]), reference_transform) - - self.assert_image_equal(test_image.convert(dst_format[2]), reference_image) - -if __name__ == '__main__': - unittest.main() + # fmt: on + chans = [] + bands = ImageMode.getmode(mode).bands + for band_ndx in range(len(bands)): + channel_type = "L" # 8-bit unorm + channel_pattern = hopper(channel_type) + + # paste pattern with varying offsets to avoid correlation + # potentially hiding some bugs (like channels getting mixed). + paste_offset = ( + int(band_ndx / len(bands) * channel_pattern.size[0]), + int(band_ndx / (len(bands) * 2) * channel_pattern.size[1]), + ) + channel_data = Image.new(channel_type, channel_pattern.size) + for delta in nine_grid_deltas: + channel_data.paste( + channel_pattern, + tuple( + paste_offset[c] + delta[c] * channel_pattern.size[c] + for c in range(2) + ), + ) + chans.append(channel_data) + return Image.merge(mode, chans) + + source_image = create_test_image() + source_image_aux = source_image.getchannel(preserved_channel) + + # create some transform, it doesn't matter which one + source_profile = ImageCms.createProfile("sRGB") + destination_profile = ImageCms.createProfile("sRGB") + t = ImageCms.buildTransform( + source_profile, destination_profile, inMode=mode, outMode=mode + ) + + # apply transform + if transform_in_place: + ImageCms.applyTransform(source_image, t, inPlace=True) + result_image = source_image + else: + result_image = ImageCms.applyTransform(source_image, t, inPlace=False) + result_image_aux = result_image.getchannel(preserved_channel) + + assert_image_equal(source_image_aux, result_image_aux) + + +def test_preserve_auxiliary_channels_rgba(): + assert_aux_channel_preserved( + mode="RGBA", transform_in_place=False, preserved_channel="A" + ) + + +def test_preserve_auxiliary_channels_rgba_in_place(): + assert_aux_channel_preserved( + mode="RGBA", transform_in_place=True, preserved_channel="A" + ) + + +def test_preserve_auxiliary_channels_rgbx(): + assert_aux_channel_preserved( + mode="RGBX", transform_in_place=False, preserved_channel="X" + ) + + +def test_preserve_auxiliary_channels_rgbx_in_place(): + assert_aux_channel_preserved( + mode="RGBX", transform_in_place=True, preserved_channel="X" + ) + + +def test_auxiliary_channels_isolated(): + # test data in aux channels does not affect non-aux channels + aux_channel_formats = [ + # format, profile, color-only format, source test image + ("RGBA", "sRGB", "RGB", hopper("RGBA")), + ("RGBX", "sRGB", "RGB", hopper("RGBX")), + ("LAB", "LAB", "LAB", Image.open("Tests/images/hopper.Lab.tif")), + ] + for src_format in aux_channel_formats: + for dst_format in aux_channel_formats: + for transform_in_place in [True, False]: + # inplace only if format doesn't change + if transform_in_place and src_format[0] != dst_format[0]: + continue + + # convert with and without AUX data, test colors are equal + source_profile = ImageCms.createProfile(src_format[1]) + destination_profile = ImageCms.createProfile(dst_format[1]) + source_image = src_format[3] + test_transform = ImageCms.buildTransform( + source_profile, + destination_profile, + inMode=src_format[0], + outMode=dst_format[0], + ) + + # test conversion from aux-ful source + if transform_in_place: + test_image = source_image.copy() + ImageCms.applyTransform(test_image, test_transform, inPlace=True) + else: + test_image = ImageCms.applyTransform( + source_image, test_transform, inPlace=False + ) + + # reference conversion from aux-less source + reference_transform = ImageCms.buildTransform( + source_profile, + destination_profile, + inMode=src_format[2], + outMode=dst_format[2], + ) + reference_image = ImageCms.applyTransform( + source_image.convert(src_format[2]), reference_transform + ) + + assert_image_equal(test_image.convert(dst_format[2]), reference_image) diff --git a/Tests/test_imagecolor.py b/Tests/test_imagecolor.py index 64e88cf9c22..dcc44e6e342 100644 --- a/Tests/test_imagecolor.py +++ b/Tests/test_imagecolor.py @@ -1,165 +1,202 @@ -from helper import unittest, PillowTestCase - -from PIL import Image -from PIL import ImageColor - - -class TestImageColor(PillowTestCase): - - def test_hash(self): - # short 3 components - self.assertEqual((255, 0, 0), ImageColor.getrgb("#f00")) - self.assertEqual((0, 255, 0), ImageColor.getrgb("#0f0")) - self.assertEqual((0, 0, 255), ImageColor.getrgb("#00f")) - - # short 4 components - self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("#f000")) - self.assertEqual((0, 255, 0, 0), ImageColor.getrgb("#0f00")) - self.assertEqual((0, 0, 255, 0), ImageColor.getrgb("#00f0")) - self.assertEqual((0, 0, 0, 255), ImageColor.getrgb("#000f")) - - # long 3 components - self.assertEqual((222, 0, 0), ImageColor.getrgb("#de0000")) - self.assertEqual((0, 222, 0), ImageColor.getrgb("#00de00")) - self.assertEqual((0, 0, 222), ImageColor.getrgb("#0000de")) - - # long 4 components - self.assertEqual((222, 0, 0, 0), ImageColor.getrgb("#de000000")) - self.assertEqual((0, 222, 0, 0), ImageColor.getrgb("#00de0000")) - self.assertEqual((0, 0, 222, 0), ImageColor.getrgb("#0000de00")) - self.assertEqual((0, 0, 0, 222), ImageColor.getrgb("#000000de")) - - # case insensitivity - self.assertEqual(ImageColor.getrgb("#DEF"), ImageColor.getrgb("#def")) - self.assertEqual(ImageColor.getrgb("#CDEF"), ImageColor.getrgb("#cdef")) - self.assertEqual(ImageColor.getrgb("#DEFDEF"), - ImageColor.getrgb("#defdef")) - self.assertEqual(ImageColor.getrgb("#CDEFCDEF"), - ImageColor.getrgb("#cdefcdef")) - - # not a number - self.assertRaises(ValueError, ImageColor.getrgb, "#fo0") - self.assertRaises(ValueError, ImageColor.getrgb, "#fo00") - self.assertRaises(ValueError, ImageColor.getrgb, "#fo0000") - self.assertRaises(ValueError, ImageColor.getrgb, "#fo000000") - - # wrong number of components - self.assertRaises(ValueError, ImageColor.getrgb, "#f0000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f000000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f00000000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f000000000") - self.assertRaises(ValueError, ImageColor.getrgb, "#f00000 ") - - def test_colormap(self): - self.assertEqual((0, 0, 0), ImageColor.getrgb("black")) - self.assertEqual((255, 255, 255), ImageColor.getrgb("white")) - self.assertEqual((255, 255, 255), ImageColor.getrgb("WHITE")) - - self.assertRaises(ValueError, ImageColor.getrgb, "black ") - - def test_functions(self): - # rgb numbers - self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(255,0,0)")) - self.assertEqual((0, 255, 0), ImageColor.getrgb("rgb(0,255,0)")) - self.assertEqual((0, 0, 255), ImageColor.getrgb("rgb(0,0,255)")) - - # percents - self.assertEqual((255, 0, 0), ImageColor.getrgb("rgb(100%,0%,0%)")) - self.assertEqual((0, 255, 0), ImageColor.getrgb("rgb(0%,100%,0%)")) - self.assertEqual((0, 0, 255), ImageColor.getrgb("rgb(0%,0%,100%)")) - - # rgba numbers - self.assertEqual((255, 0, 0, 0), ImageColor.getrgb("rgba(255,0,0,0)")) - self.assertEqual((0, 255, 0, 0), ImageColor.getrgb("rgba(0,255,0,0)")) - self.assertEqual((0, 0, 255, 0), ImageColor.getrgb("rgba(0,0,255,0)")) - self.assertEqual((0, 0, 0, 255), ImageColor.getrgb("rgba(0,0,0,255)")) - - self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(0,100%,50%)")) - self.assertEqual((255, 0, 0), ImageColor.getrgb("hsl(360,100%,50%)")) - self.assertEqual((0, 255, 255), ImageColor.getrgb("hsl(180,100%,50%)")) - - # case insensitivity - self.assertEqual(ImageColor.getrgb("RGB(255,0,0)"), - ImageColor.getrgb("rgb(255,0,0)")) - self.assertEqual(ImageColor.getrgb("RGB(100%,0%,0%)"), - ImageColor.getrgb("rgb(100%,0%,0%)")) - self.assertEqual(ImageColor.getrgb("RGBA(255,0,0,0)"), - ImageColor.getrgb("rgba(255,0,0,0)")) - self.assertEqual(ImageColor.getrgb("HSL(0,100%,50%)"), - ImageColor.getrgb("hsl(0,100%,50%)")) - - # space agnosticism - self.assertEqual((255, 0, 0), - ImageColor.getrgb("rgb( 255 , 0 , 0 )")) - self.assertEqual((255, 0, 0), - ImageColor.getrgb("rgb( 100% , 0% , 0% )")) - self.assertEqual((255, 0, 0, 0), - ImageColor.getrgb("rgba( 255 , 0 , 0 , 0 )")) - self.assertEqual((255, 0, 0), - ImageColor.getrgb("hsl( 0 , 100% , 50% )")) - - # wrong number of components - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(255,0)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(255,0,0,0)") - - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0 %)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgb(100%,0%,0%,0%)") - - self.assertRaises(ValueError, ImageColor.getrgb, "rgba(255,0,0)") - self.assertRaises(ValueError, ImageColor.getrgb, "rgba(255,0,0,0,0)") - - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%,0%,0%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0%,100%,50%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100,50%)") - self.assertRaises(ValueError, ImageColor.getrgb, "hsl(0,100%,50)") - - # look for rounding errors (based on code by Tim Hatch) - def test_rounding_errors(self): - - for color in ImageColor.colormap: - expected = Image.new( - "RGB", (1, 1), color).convert("L").getpixel((0, 0)) - actual = ImageColor.getcolor(color, 'L') - self.assertEqual(expected, actual) - - self.assertEqual( - (0, 255, 115), ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB")) - Image.new("RGB", (1, 1), "white") - - self.assertEqual((0, 0, 0, 255), ImageColor.getcolor("black", "RGBA")) - self.assertEqual( - (255, 255, 255, 255), ImageColor.getcolor("white", "RGBA")) - self.assertEqual( - (0, 255, 115, 33), - ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA")) - Image.new("RGBA", (1, 1), "white") - - self.assertEqual(0, ImageColor.getcolor("black", "L")) - self.assertEqual(255, ImageColor.getcolor("white", "L")) - self.assertEqual(162, - ImageColor.getcolor("rgba(0, 255, 115, 33)", "L")) - Image.new("L", (1, 1), "white") - - self.assertEqual(0, ImageColor.getcolor("black", "1")) - self.assertEqual(255, ImageColor.getcolor("white", "1")) - # The following test is wrong, but is current behavior - # The correct result should be 255 due to the mode 1 - self.assertEqual( - 162, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1")) - # Correct behavior - # self.assertEqual( - # 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1")) - Image.new("1", (1, 1), "white") - - self.assertEqual((0, 255), ImageColor.getcolor("black", "LA")) - self.assertEqual((255, 255), ImageColor.getcolor("white", "LA")) - self.assertEqual( - (162, 33), ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA")) - Image.new("LA", (1, 1), "white") - - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImageColor + + +def test_hash(): + # short 3 components + assert (255, 0, 0) == ImageColor.getrgb("#f00") + assert (0, 255, 0) == ImageColor.getrgb("#0f0") + assert (0, 0, 255) == ImageColor.getrgb("#00f") + + # short 4 components + assert (255, 0, 0, 0) == ImageColor.getrgb("#f000") + assert (0, 255, 0, 0) == ImageColor.getrgb("#0f00") + assert (0, 0, 255, 0) == ImageColor.getrgb("#00f0") + assert (0, 0, 0, 255) == ImageColor.getrgb("#000f") + + # long 3 components + assert (222, 0, 0) == ImageColor.getrgb("#de0000") + assert (0, 222, 0) == ImageColor.getrgb("#00de00") + assert (0, 0, 222) == ImageColor.getrgb("#0000de") + + # long 4 components + assert (222, 0, 0, 0) == ImageColor.getrgb("#de000000") + assert (0, 222, 0, 0) == ImageColor.getrgb("#00de0000") + assert (0, 0, 222, 0) == ImageColor.getrgb("#0000de00") + assert (0, 0, 0, 222) == ImageColor.getrgb("#000000de") + + # case insensitivity + assert ImageColor.getrgb("#DEF") == ImageColor.getrgb("#def") + assert ImageColor.getrgb("#CDEF") == ImageColor.getrgb("#cdef") + assert ImageColor.getrgb("#DEFDEF") == ImageColor.getrgb("#defdef") + assert ImageColor.getrgb("#CDEFCDEF") == ImageColor.getrgb("#cdefcdef") + + # not a number + with pytest.raises(ValueError): + ImageColor.getrgb("#fo0") + with pytest.raises(ValueError): + ImageColor.getrgb("#fo00") + with pytest.raises(ValueError): + ImageColor.getrgb("#fo0000") + with pytest.raises(ValueError): + ImageColor.getrgb("#fo000000") + + # wrong number of components + with pytest.raises(ValueError): + ImageColor.getrgb("#f0000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f000000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f00000000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f000000000") + with pytest.raises(ValueError): + ImageColor.getrgb("#f00000 ") + + +def test_colormap(): + assert (0, 0, 0) == ImageColor.getrgb("black") + assert (255, 255, 255) == ImageColor.getrgb("white") + assert (255, 255, 255) == ImageColor.getrgb("WHITE") + + with pytest.raises(ValueError): + ImageColor.getrgb("black ") + + +def test_functions(): + # rgb numbers + assert (255, 0, 0) == ImageColor.getrgb("rgb(255,0,0)") + assert (0, 255, 0) == ImageColor.getrgb("rgb(0,255,0)") + assert (0, 0, 255) == ImageColor.getrgb("rgb(0,0,255)") + + # percents + assert (255, 0, 0) == ImageColor.getrgb("rgb(100%,0%,0%)") + assert (0, 255, 0) == ImageColor.getrgb("rgb(0%,100%,0%)") + assert (0, 0, 255) == ImageColor.getrgb("rgb(0%,0%,100%)") + + # rgba numbers + assert (255, 0, 0, 0) == ImageColor.getrgb("rgba(255,0,0,0)") + assert (0, 255, 0, 0) == ImageColor.getrgb("rgba(0,255,0,0)") + assert (0, 0, 255, 0) == ImageColor.getrgb("rgba(0,0,255,0)") + assert (0, 0, 0, 255) == ImageColor.getrgb("rgba(0,0,0,255)") + + assert (255, 0, 0) == ImageColor.getrgb("hsl(0,100%,50%)") + assert (255, 0, 0) == ImageColor.getrgb("hsl(360,100%,50%)") + assert (0, 255, 255) == ImageColor.getrgb("hsl(180,100%,50%)") + + assert (255, 0, 0) == ImageColor.getrgb("hsv(0,100%,100%)") + assert (255, 0, 0) == ImageColor.getrgb("hsv(360,100%,100%)") + assert (0, 255, 255) == ImageColor.getrgb("hsv(180,100%,100%)") + + # alternate format + assert ImageColor.getrgb("hsb(0,100%,50%)") == ImageColor.getrgb("hsv(0,100%,50%)") + + # floats + assert (254, 3, 3) == ImageColor.getrgb("hsl(0.1,99.2%,50.3%)") + assert (255, 0, 0) == ImageColor.getrgb("hsl(360.,100.0%,50%)") + + assert (253, 2, 2) == ImageColor.getrgb("hsv(0.1,99.2%,99.3%)") + assert (255, 0, 0) == ImageColor.getrgb("hsv(360.,100.0%,100%)") + + # case insensitivity + assert ImageColor.getrgb("RGB(255,0,0)") == ImageColor.getrgb("rgb(255,0,0)") + assert ImageColor.getrgb("RGB(100%,0%,0%)") == ImageColor.getrgb("rgb(100%,0%,0%)") + assert ImageColor.getrgb("RGBA(255,0,0,0)") == ImageColor.getrgb("rgba(255,0,0,0)") + assert ImageColor.getrgb("HSL(0,100%,50%)") == ImageColor.getrgb("hsl(0,100%,50%)") + assert ImageColor.getrgb("HSV(0,100%,50%)") == ImageColor.getrgb("hsv(0,100%,50%)") + assert ImageColor.getrgb("HSB(0,100%,50%)") == ImageColor.getrgb("hsb(0,100%,50%)") + + # space agnosticism + assert (255, 0, 0) == ImageColor.getrgb("rgb( 255 , 0 , 0 )") + assert (255, 0, 0) == ImageColor.getrgb("rgb( 100% , 0% , 0% )") + assert (255, 0, 0, 0) == ImageColor.getrgb("rgba( 255 , 0 , 0 , 0 )") + assert (255, 0, 0) == ImageColor.getrgb("hsl( 0 , 100% , 50% )") + assert (255, 0, 0) == ImageColor.getrgb("hsv( 0 , 100% , 100% )") + + # wrong number of components + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(255,0)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(255,0,0,0)") + + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%,0)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%,0 %)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgb(100%,0%,0%,0%)") + + with pytest.raises(ValueError): + ImageColor.getrgb("rgba(255,0,0)") + with pytest.raises(ValueError): + ImageColor.getrgb("rgba(255,0,0,0,0)") + + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100%,0%,0%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0%,100%,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsl(0,100%,50)") + + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100%,0%,0%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0%,100%,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100,50%)") + with pytest.raises(ValueError): + ImageColor.getrgb("hsv(0,100%,50)") + + +# look for rounding errors (based on code by Tim Hatch) +def test_rounding_errors(): + for color in ImageColor.colormap: + expected = Image.new("RGB", (1, 1), color).convert("L").getpixel((0, 0)) + actual = ImageColor.getcolor(color, "L") + assert expected == actual + + assert (0, 255, 115) == ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGB") + Image.new("RGB", (1, 1), "white") + + assert (0, 0, 0, 255) == ImageColor.getcolor("black", "RGBA") + assert (255, 255, 255, 255) == ImageColor.getcolor("white", "RGBA") + assert (0, 255, 115, 33) == ImageColor.getcolor("rgba(0, 255, 115, 33)", "RGBA") + Image.new("RGBA", (1, 1), "white") + + assert 0 == ImageColor.getcolor("black", "L") + assert 255 == ImageColor.getcolor("white", "L") + assert 163 == ImageColor.getcolor("rgba(0, 255, 115, 33)", "L") + Image.new("L", (1, 1), "white") + + assert 0 == ImageColor.getcolor("black", "1") + assert 255 == ImageColor.getcolor("white", "1") + # The following test is wrong, but is current behavior + # The correct result should be 255 due to the mode 1 + assert 163 == ImageColor.getcolor("rgba(0, 255, 115, 33)", "1") + # Correct behavior + # assert + # 255, ImageColor.getcolor("rgba(0, 255, 115, 33)", "1")) + Image.new("1", (1, 1), "white") + + assert (0, 255) == ImageColor.getcolor("black", "LA") + assert (255, 255) == ImageColor.getcolor("white", "LA") + assert (163, 33) == ImageColor.getcolor("rgba(0, 255, 115, 33)", "LA") + Image.new("LA", (1, 1), "white") + + +def test_color_too_long(): + # Arrange + color_too_long = "hsl(" + "1" * 40 + "," + "1" * 40 + "%," + "1" * 40 + "%)" + + # Act / Assert + with pytest.raises(ValueError): + ImageColor.getrgb(color_too_long) diff --git a/Tests/test_imagedraw.py b/Tests/test_imagedraw.py index a79a75ca0dd..b661494c733 100644 --- a/Tests/test_imagedraw.py +++ b/Tests/test_imagedraw.py @@ -1,17 +1,22 @@ -from helper import unittest, PillowTestCase, hopper - -from PIL import Image -from PIL import ImageColor -from PIL import ImageDraw import os.path -import sys +import pytest + +from PIL import Image, ImageColor, ImageDraw, ImageFont + +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + hopper, + skip_unless_feature, +) BLACK = (0, 0, 0) WHITE = (255, 255, 255) GRAY = (190, 190, 190) -DEFAULT_MODE = 'RGB' -IMAGES_PATH = os.path.join('Tests', 'images', 'imagedraw') +DEFAULT_MODE = "RGB" +IMAGES_PATH = os.path.join("Tests", "images", "imagedraw") # Image size W, H = 100, 100 @@ -33,545 +38,1405 @@ KITE_POINTS = [(10, 50), (70, 10), (90, 50), (70, 90), (10, 50)] -class TestImageDraw(PillowTestCase): +def test_sanity(): + im = hopper("RGB").copy() - def test_sanity(self): - im = hopper("RGB").copy() + draw = ImageDraw.ImageDraw(im) + draw = ImageDraw.Draw(im) - draw = ImageDraw.ImageDraw(im) - draw = ImageDraw.Draw(im) + draw.ellipse(list(range(4))) + draw.line(list(range(10))) + draw.polygon(list(range(100))) + draw.rectangle(list(range(4))) - draw.ellipse(list(range(4))) - draw.line(list(range(10))) - draw.polygon(list(range(100))) - draw.rectangle(list(range(4))) - def test_valueerror(self): - im = Image.open("Tests/images/chi.gif") +def test_valueerror(): + with Image.open("Tests/images/chi.gif") as im: draw = ImageDraw.Draw(im) - draw.line(((0, 0)), fill=(0, 0, 0)) + draw.line((0, 0), fill=(0, 0, 0)) - def test_mode_mismatch(self): - im = hopper("RGB").copy() - self.assertRaises(ValueError, ImageDraw.ImageDraw, im, mode="L") +def test_mode_mismatch(): + im = hopper("RGB").copy() - def helper_arc(self, bbox, start, end): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + with pytest.raises(ValueError): + ImageDraw.ImageDraw(im, mode="L") - # Act - draw.arc(bbox, start, end) - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_arc.png"), 1) +def helper_arc(bbox, start, end): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - def test_arc1(self): - self.helper_arc(BBOX1, 0, 180) - self.helper_arc(BBOX1, 0.5, 180.4) + # Act + draw.arc(bbox, start, end) - def test_arc2(self): - self.helper_arc(BBOX2, 0, 180) - self.helper_arc(BBOX2, 0.5, 180.4) + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc.png", 1) - def test_arc_end_le_start(self): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - start = 270.5 - end = 0 - # Act - draw.arc(BBOX1, start=start, end=end) +def test_arc1(): + helper_arc(BBOX1, 0, 180) + helper_arc(BBOX1, 0.5, 180.4) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_arc_end_le_start.png")) - def test_arc_no_loops(self): - # No need to go in loops - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - start = 5 - end = 370 +def test_arc2(): + helper_arc(BBOX2, 0, 180) + helper_arc(BBOX2, 0.5, 180.4) - # Act - draw.arc(BBOX1, start=start, end=end) - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_arc_no_loops.png"), 1) +def test_arc_end_le_start(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + start = 270.5 + end = 0 - def test_bitmap(self): - # Arrange - small = Image.open("Tests/images/pil123rgba.png").resize((50, 50)) - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Act + draw.arc(BBOX1, start=start, end=end) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_arc_end_le_start.png") + + +def test_arc_no_loops(): + # No need to go in loops + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + start = 5 + end = 370 + + # Act + draw.arc(BBOX1, start=start, end=end) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_no_loops.png", 1) + + +def test_arc_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc(BBOX1, 10, 260, width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_width.png", 1) + + +def test_arc_width_pieslice_large(): + # Tests an arc with a large enough width that it is a pieslice + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc(BBOX1, 10, 260, fill="yellow", width=100) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_width_pieslice.png", 1) + + +def test_arc_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc(BBOX1, 10, 260, fill="yellow", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_arc_width_fill.png", 1) + + +def test_arc_width_non_whole_angle(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_arc_width_non_whole_angle.png" + + # Act + draw.arc(BBOX1, 10, 259.5, width=5) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_arc_high(): + # Arrange + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) + + # Act + draw.arc([10, 10, 89, 189], 20, 330, width=20, fill="white") + draw.arc([110, 10, 189, 189], 20, 150, width=20, fill="white") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_arc_high.png") + + +def test_bitmap(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + with Image.open("Tests/images/pil123rgba.png") as small: + small = small.resize((50, 50), Image.NEAREST) # Act draw.bitmap((10, 10), small) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_bitmap.png")) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_bitmap.png") - def helper_chord(self, mode, bbox, start, end): - # Arrange - im = Image.new(mode, (W, H)) + +def helper_chord(mode, bbox, start, end): + # Arrange + im = Image.new(mode, (W, H)) + draw = ImageDraw.Draw(im) + expected = f"Tests/images/imagedraw_chord_{mode}.png" + + # Act + draw.chord(bbox, start, end, fill="red", outline="yellow") + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_chord1(): + for mode in ["RGB", "L"]: + helper_chord(mode, BBOX1, 0, 180) + + +def test_chord2(): + for mode in ["RGB", "L"]: + helper_chord(mode, BBOX2, 0, 180) + + +def test_chord_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.chord(BBOX1, 10, 260, outline="yellow", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_chord_width.png", 1) + + +def test_chord_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.chord(BBOX1, 10, 260, fill="red", outline="yellow", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_chord_width_fill.png", 1) + + +def test_chord_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.chord(BBOX1, 10, 260, fill="red", outline="yellow", width=0) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_chord_zero_width.png") + + +def test_chord_too_fat(): + # Arrange + im = Image.new("RGB", (100, 100)) + draw = ImageDraw.Draw(im) + + # Act + draw.chord([-150, -150, 99, 99], 15, 60, width=10, fill="white", outline="red") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_chord_too_fat.png") + + +def helper_ellipse(mode, bbox): + # Arrange + im = Image.new(mode, (W, H)) + draw = ImageDraw.Draw(im) + expected = f"Tests/images/imagedraw_ellipse_{mode}.png" + + # Act + draw.ellipse(bbox, fill="green", outline="blue") + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_ellipse1(): + for mode in ["RGB", "L"]: + helper_ellipse(mode, BBOX1) + + +def test_ellipse2(): + for mode in ["RGB", "L"]: + helper_ellipse(mode, BBOX2) + + +def test_ellipse_translucent(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") + + # Act + draw.ellipse(BBOX1, fill=(0, 255, 0, 127)) + + # Assert + expected = "Tests/images/imagedraw_ellipse_translucent.png" + assert_image_similar_tofile(im, expected, 1) + + +def test_ellipse_edge(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(((0, 0), (W - 1, H - 1)), fill="white") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_edge.png", 1) + + +def test_ellipse_symmetric(): + for width, bbox in ( + (100, (24, 24, 75, 75)), + (101, (25, 25, 75, 75)), + ): + im = Image.new("RGB", (width, 100)) draw = ImageDraw.Draw(im) - expected = "Tests/images/imagedraw_chord_{}.png".format(mode) + draw.ellipse(bbox, fill="green", outline="blue") + assert_image_equal(im, im.transpose(Image.FLIP_LEFT_RIGHT)) - # Act - draw.chord(bbox, start, end, fill="red", outline="yellow") - # Assert - self.assert_image_similar(im, Image.open(expected), 1) +def test_ellipse_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(BBOX1, outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_width.png", 1) + + +def test_ellipse_width_large(): + # Arrange + im = Image.new("RGB", (500, 500)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse((25, 25, 475, 475), outline="blue", width=75) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_width_large.png", 1) + + +def test_ellipse_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(BBOX1, fill="green", outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_width_fill.png", 1) + + +def test_ellipse_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.ellipse(BBOX1, fill="green", outline="blue", width=0) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_ellipse_zero_width.png") + + +def ellipse_various_sizes_helper(filled): + ellipse_sizes = range(32) + image_size = sum(ellipse_sizes) + len(ellipse_sizes) + 1 + im = Image.new("RGB", (image_size, image_size)) + draw = ImageDraw.Draw(im) + + x = 1 + for w in ellipse_sizes: + y = 1 + for h in ellipse_sizes: + border = [x, y, x + w - 1, y + h - 1] + if filled: + draw.ellipse(border, fill="white") + else: + draw.ellipse(border, outline="white") + y += h + 1 + x += w + 1 + + return im + + +def test_ellipse_various_sizes(): + im = ellipse_various_sizes_helper(False) + + assert_image_equal_tofile(im, "Tests/images/imagedraw_ellipse_various_sizes.png") + + +def test_ellipse_various_sizes_filled(): + im = ellipse_various_sizes_helper(True) + + assert_image_equal_tofile( + im, "Tests/images/imagedraw_ellipse_various_sizes_filled.png" + ) + + +def helper_line(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.line(points, fill="yellow", width=2) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_line.png") - def test_chord1(self): - for mode in ["RGB", "L"]: - self.helper_chord(mode, BBOX1, 0, 180) - self.helper_chord(mode, BBOX1, 0.5, 180.4) - def test_chord2(self): - for mode in ["RGB", "L"]: - self.helper_chord(mode, BBOX2, 0, 180) - self.helper_chord(mode, BBOX2, 0.5, 180.4) +def test_line1(): + helper_line(POINTS1) - def helper_ellipse(self, mode, bbox): + +def test_line2(): + helper_line(POINTS2) + + +def test_shape1(): + # Arrange + im = Image.new("RGB", (100, 100), "white") + draw = ImageDraw.Draw(im) + x0, y0 = 5, 5 + x1, y1 = 5, 50 + x2, y2 = 95, 50 + x3, y3 = 95, 5 + + # Act + s = ImageDraw.Outline() + s.move(x0, y0) + s.curve(x1, y1, x2, y2, x3, y3) + s.line(x0, y0) + + draw.shape(s, fill=1) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_shape1.png") + + +def test_shape2(): + # Arrange + im = Image.new("RGB", (100, 100), "white") + draw = ImageDraw.Draw(im) + x0, y0 = 95, 95 + x1, y1 = 95, 50 + x2, y2 = 5, 50 + x3, y3 = 5, 95 + + # Act + s = ImageDraw.Outline() + s.move(x0, y0) + s.curve(x1, y1, x2, y2, x3, y3) + s.line(x0, y0) + + draw.shape(s, outline="blue") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_shape2.png") + + +def test_transform(): + # Arrange + im = Image.new("RGB", (100, 100), "white") + expected = im.copy() + draw = ImageDraw.Draw(im) + + # Act + s = ImageDraw.Outline() + s.line(0, 0) + s.transform((0, 0, 0, 0, 0, 0)) + + draw.shape(s, fill=1) + + # Assert + assert_image_equal(im, expected) + + +def helper_pieslice(bbox, start, end): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice(bbox, start, end, fill="white", outline="blue") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_pieslice.png", 1) + + +def test_pieslice1(): + helper_pieslice(BBOX1, -92, 46) + helper_pieslice(BBOX1, -92.2, 46.2) + + +def test_pieslice2(): + helper_pieslice(BBOX2, -92, 46) + helper_pieslice(BBOX2, -92.2, 46.2) + + +def test_pieslice_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice(BBOX1, 10, 260, outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_pieslice_width.png", 1) + + +def test_pieslice_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_pieslice_width_fill.png" + + # Act + draw.pieslice(BBOX1, 10, 260, fill="white", outline="blue", width=5) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_pieslice_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice(BBOX1, 10, 260, fill="white", outline="blue", width=0) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_pieslice_zero_width.png") + + +def test_pieslice_wide(): + # Arrange + im = Image.new("RGB", (200, 100)) + draw = ImageDraw.Draw(im) + + # Act + draw.pieslice([0, 0, 199, 99], 190, 170, width=10, fill="white", outline="red") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_pieslice_wide.png") + + +def test_pieslice_no_spikes(): + im = Image.new("RGB", (161, 161), "white") + draw = ImageDraw.Draw(im) + cxs = ( + [140] * 3 + + list(range(140, 19, -20)) + + [20] * 5 + + list(range(20, 141, 20)) + + [140] * 2 + ) + cys = ( + list(range(80, 141, 20)) + + [140] * 5 + + list(range(140, 19, -20)) + + [20] * 5 + + list(range(20, 80, 20)) + ) + + for cx, cy, angle in zip(cxs, cys, range(0, 360, 15)): + draw.pieslice( + [cx - 100, cy - 100, cx + 100, cy + 100], angle, angle + 1, fill="black" + ) + draw.point([cx, cy], fill="red") + + im_pre_erase = im.copy() + draw.rectangle([21, 21, 139, 139], fill="white") + + assert_image_equal(im, im_pre_erase) + + +def helper_point(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.point(points, fill="yellow") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_point.png") + + +def test_point1(): + helper_point(POINTS1) + + +def test_point2(): + helper_point(POINTS2) + + +def helper_polygon(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.polygon(points, fill="red", outline="blue") + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon.png") + + +def test_polygon1(): + helper_polygon(POINTS1) + + +def test_polygon2(): + helper_polygon(POINTS2) + + +def test_polygon_kite(): + # Test drawing lines of different gradients (dx>dy, dy>dx) and + # vertical (dx==0) and horizontal (dy==0) lines + for mode in ["RGB", "L"]: # Arrange im = Image.new(mode, (W, H)) draw = ImageDraw.Draw(im) - expected = "Tests/images/imagedraw_ellipse_{}.png".format(mode) + expected = f"Tests/images/imagedraw_polygon_kite_{mode}.png" # Act - draw.ellipse(bbox, fill="green", outline="blue") + draw.polygon(KITE_POINTS, fill="blue", outline="yellow") # Assert - self.assert_image_similar(im, Image.open(expected), 1) + assert_image_equal_tofile(im, expected) - def test_ellipse1(self): - for mode in ["RGB", "L"]: - self.helper_ellipse(mode, BBOX1) - def test_ellipse2(self): - for mode in ["RGB", "L"]: - self.helper_ellipse(mode, BBOX2) +def test_polygon_1px_high(): + # Test drawing a 1px high polygon + # Arrange + im = Image.new("RGB", (3, 3)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_polygon_1px_high.png" - def test_ellipse_edge(self): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Act + draw.polygon([(0, 1), (0, 1), (2, 1), (2, 1)], "#f00") - # Act - draw.ellipse(((0, 0), (W-1, H)), fill="white") + # Assert + assert_image_equal_tofile(im, expected) - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_ellipse_edge.png"), 1) - def helper_line(self, points): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) +def test_polygon_translucent(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") - # Act - draw.line(points, fill="yellow", width=2) + # Act + draw.polygon([(20, 80), (80, 80), (80, 20)], fill=(0, 255, 0, 127)) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_line.png")) + # Assert + expected = "Tests/images/imagedraw_polygon_translucent.png" + assert_image_equal_tofile(im, expected) - def test_line1(self): - self.helper_line(POINTS1) - def test_line2(self): - self.helper_line(POINTS2) +def helper_rectangle(bbox): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - def test_shape1(self): - # Arrange - im = Image.new("RGB", (100, 100), "white") - draw = ImageDraw.Draw(im) - x0, y0 = 5, 5 - x1, y1 = 5, 50 - x2, y2 = 95, 50 - x3, y3 = 95, 5 + # Act + draw.rectangle(bbox, fill="black", outline="green") - # Act - s = ImageDraw.Outline() - s.move(x0, y0) - s.curve(x1, y1, x2, y2, x3, y3) - s.line(x0, y0) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle.png") - draw.shape(s, fill=1) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_shape1.png")) +def test_rectangle1(): + helper_rectangle(BBOX1) - def test_shape2(self): - # Arrange - im = Image.new("RGB", (100, 100), "white") - draw = ImageDraw.Draw(im) - x0, y0 = 95, 95 - x1, y1 = 95, 50 - x2, y2 = 5, 50 - x3, y3 = 5, 95 - # Act - s = ImageDraw.Outline() - s.move(x0, y0) - s.curve(x1, y1, x2, y2, x3, y3) - s.line(x0, y0) +def test_rectangle2(): + helper_rectangle(BBOX2) - draw.shape(s, outline="blue") - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_shape2.png")) +def test_big_rectangle(): + # Test drawing a rectangle bigger than the image + # Arrange + im = Image.new("RGB", (W, H)) + bbox = [(-1, -1), (W + 1, H + 1)] + draw = ImageDraw.Draw(im) - def helper_pieslice(self, bbox, start, end): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Act + draw.rectangle(bbox, fill="orange") - # Act - draw.pieslice(bbox, start, end, fill="white", outline="blue") + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_big_rectangle.png", 1) - # Assert - self.assert_image_similar( - im, Image.open("Tests/images/imagedraw_pieslice.png"), 1) - def test_pieslice1(self): - self.helper_pieslice(BBOX1, -90, 45) - self.helper_pieslice(BBOX1, -90.5, 45.4) +def test_rectangle_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_rectangle_width.png" - def test_pieslice2(self): - self.helper_pieslice(BBOX2, -90, 45) - self.helper_pieslice(BBOX2, -90.5, 45.4) + # Act + draw.rectangle(BBOX1, outline="green", width=5) - def helper_point(self, points): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) + # Assert + assert_image_equal_tofile(im, expected) - # Act - draw.point(points, fill="yellow") - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_point.png")) +def test_rectangle_width_fill(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_rectangle_width_fill.png" - def test_point1(self): - self.helper_point(POINTS1) + # Act + draw.rectangle(BBOX1, fill="blue", outline="green", width=5) - def test_point2(self): - self.helper_point(POINTS2) + # Assert + assert_image_equal_tofile(im, expected) - def helper_polygon(self, points): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - # Act - draw.polygon(points, fill="red", outline="blue") +def test_rectangle_zero_width(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_polygon.png")) + # Act + draw.rectangle(BBOX1, fill="blue", outline="green", width=0) - def test_polygon1(self): - self.helper_polygon(POINTS1) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle_zero_width.png") - def test_polygon2(self): - self.helper_polygon(POINTS2) - def test_polygon_kite(self): - # Test drawing lines of different gradients (dx>dy, dy>dx) and - # vertical (dx==0) and horizontal (dy==0) lines - for mode in ["RGB", "L"]: - # Arrange - im = Image.new(mode, (W, H)) - draw = ImageDraw.Draw(im) - expected = "Tests/images/imagedraw_polygon_kite_{}.png".format( - mode) +def test_rectangle_I16(): + # Arrange + im = Image.new("I;16", (W, H)) + draw = ImageDraw.Draw(im) - # Act - draw.polygon(KITE_POINTS, fill="blue", outline="yellow") + # Act + draw.rectangle(BBOX1, fill="black", outline="green") - # Assert - self.assert_image_equal(im, Image.open(expected)) + # Assert + assert_image_equal_tofile(im.convert("I"), "Tests/images/imagedraw_rectangle_I.png") - def helper_rectangle(self, bbox): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - # Act - draw.rectangle(bbox, fill="black", outline="green") +def test_rectangle_translucent_outline(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_rectangle.png")) + # Act + draw.rectangle(BBOX1, fill="black", outline=(0, 255, 0, 127), width=5) - def test_rectangle1(self): - self.helper_rectangle(BBOX1) + # Assert + assert_image_equal_tofile( + im, "Tests/images/imagedraw_rectangle_translucent_outline.png" + ) - def test_rectangle2(self): - self.helper_rectangle(BBOX2) - def test_big_rectangle(self): - # Test drawing a rectangle bigger than the image - # Arrange - im = Image.new("RGB", (W, H)) - bbox = [(-1, -1), (W+1, H+1)] - draw = ImageDraw.Draw(im) - expected = "Tests/images/imagedraw_big_rectangle.png" +@pytest.mark.parametrize( + "xy", + [(10, 20, 190, 180), ([10, 20], [190, 180]), ((10, 20), (190, 180))], +) +def test_rounded_rectangle(xy): + # Arrange + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) - # Act - draw.rectangle(bbox, fill="orange") + # Act + draw.rounded_rectangle(xy, 30, fill="red", outline="green", width=5) - # Assert - self.assert_image_similar(im, Image.open(expected), 1) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rounded_rectangle.png") - def test_floodfill(self): - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - draw.rectangle(BBOX2, outline="yellow", fill="green") - centre_point = (int(W/2), int(H/2)) - red = ImageColor.getrgb("red") - im_floodfill = Image.open("Tests/images/imagedraw_floodfill.png") - # Act - ImageDraw.floodfill(im, centre_point, red) +@pytest.mark.parametrize( + "xy, radius, type", + [ + ((10, 20, 190, 180), 30.5, "given"), + ((10, 10, 181, 190), 90, "width"), + ((10, 20, 190, 181), 85, "height"), + ], +) +def test_rounded_rectangle_non_integer_radius(xy, radius, type): + # Arrange + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) - # Assert - self.assert_image_equal(im, im_floodfill) + # Act + draw.rounded_rectangle(xy, radius, fill="red", outline="green", width=5) - # Test that using the same colour does not change the image - ImageDraw.floodfill(im, centre_point, red) - self.assert_image_equal(im, im_floodfill) + # Assert + assert_image_equal_tofile( + im, + "Tests/images/imagedraw_rounded_rectangle_non_integer_radius_" + type + ".png", + ) - # Test that filling outside the image does not change the image - ImageDraw.floodfill(im, (W, H), red) - self.assert_image_equal(im, im_floodfill) - @unittest.skipIf(hasattr(sys, 'pypy_version_info'), - "Causes fatal RPython error on PyPy") - def test_floodfill_border(self): - # floodfill() is experimental +def test_rounded_rectangle_zero_radius(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - draw.rectangle(BBOX2, outline="yellow", fill="green") - centre_point = (int(W/2), int(H/2)) + # Act + draw.rounded_rectangle(BBOX1, 0, fill="blue", outline="green", width=5) - # Act - ImageDraw.floodfill( - im, centre_point, ImageColor.getrgb("red"), - border=ImageColor.getrgb("black")) + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle_width_fill.png") - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_floodfill2.png")) - def test_floodfill_thresh(self): - # floodfill() is experimental +@pytest.mark.parametrize( + "xy, suffix", + [ + ((20, 10, 80, 90), "x"), + ((10, 20, 90, 80), "y"), + ((20, 20, 80, 80), "both"), + ], +) +def test_rounded_rectangle_translucent(xy, suffix): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im, "RGBA") - # Arrange - im = Image.new("RGB", (W, H)) - draw = ImageDraw.Draw(im) - draw.rectangle(BBOX2, outline="darkgreen", fill="green") - centre_point = (int(W/2), int(H/2)) + # Act + draw.rounded_rectangle( + xy, 30, fill=(255, 0, 0, 127), outline=(0, 255, 0, 127), width=5 + ) - # Act - ImageDraw.floodfill( - im, centre_point, ImageColor.getrgb("red"), - thresh=30) + # Assert + assert_image_equal_tofile( + im, "Tests/images/imagedraw_rounded_rectangle_" + suffix + ".png" + ) - # Assert - self.assert_image_equal( - im, Image.open("Tests/images/imagedraw_floodfill2.png")) - - def create_base_image_draw(self, size, - mode=DEFAULT_MODE, - background1=WHITE, - background2=GRAY): - img = Image.new(mode, size, background1) - for x in range(0, size[0]): - for y in range(0, size[1]): - if (x + y) % 2 == 0: - img.putpixel((x, y), background2) - return (img, ImageDraw.Draw(img)) - - def test_square(self): - expected = Image.open(os.path.join(IMAGES_PATH, 'square.png')) - expected.load() - img, draw = self.create_base_image_draw((10, 10)) - draw.polygon([(2, 2), (2, 7), (7, 7), (7, 2)], BLACK) - self.assert_image_equal(img, expected, - 'square as normal polygon failed') - img, draw = self.create_base_image_draw((10, 10)) - draw.polygon([(7, 7), (7, 2), (2, 2), (2, 7)], BLACK) - self.assert_image_equal(img, expected, - 'square as inverted polygon failed') - img, draw = self.create_base_image_draw((10, 10)) - draw.rectangle((2, 2, 7, 7), BLACK) - self.assert_image_equal(img, expected, - 'square as normal rectangle failed') - img, draw = self.create_base_image_draw((10, 10)) - draw.rectangle((7, 7, 2, 2), BLACK) - self.assert_image_equal( - img, expected, 'square as inverted rectangle failed') - - def test_triangle_right(self): - expected = Image.open(os.path.join(IMAGES_PATH, 'triangle_right.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.polygon([(3, 5), (17, 5), (10, 12)], BLACK) - self.assert_image_equal(img, expected, 'triangle right failed') - - def test_line_horizontal(self): - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w2px_normal.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 5), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight horizontal normal 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w2px_inverted.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 5, 5, 5), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight horizontal inverted 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w3px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 5), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight horizontal normal 3px wide failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 5, 5, 5), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight horizontal inverted 3px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_w101px.png')) - expected.load() - img, draw = self.create_base_image_draw((200, 110)) - draw.line((5, 55, 195, 55), BLACK, 101) - self.assert_image_equal( - img, expected, 'line straight horizontal 101px wide failed') - - def test_line_h_s1_w2(self): - self.skipTest('failing') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_horizontal_slope1px_w2px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 6), BLACK, 2) - self.assert_image_equal( - img, expected, 'line horizontal 1px slope 2px wide failed') - - def test_line_vertical(self): - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w2px_normal.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 5, 14), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight vertical normal 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w2px_inverted.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 14, 5, 5), BLACK, 2) - self.assert_image_equal( - img, expected, 'line straight vertical inverted 2px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w3px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 5, 14), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight vertical normal 3px wide failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 14, 5, 5), BLACK, 3) - self.assert_image_equal( - img, expected, 'line straight vertical inverted 3px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_w101px.png')) - expected.load() - img, draw = self.create_base_image_draw((110, 200)) - draw.line((55, 5, 55, 195), BLACK, 101) - self.assert_image_equal(img, expected, - 'line straight vertical 101px wide failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_vertical_slope1px_w2px.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 6, 14), BLACK, 2) - self.assert_image_equal(img, expected, - 'line vertical 1px slope 2px wide failed') - - def test_line_oblique_45(self): - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_oblique_45_w3px_a.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 5, 14, 14), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 normal 3px wide A failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 14, 5, 5), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 inverted 3px wide A failed') - expected = Image.open(os.path.join(IMAGES_PATH, - 'line_oblique_45_w3px_b.png')) - expected.load() - img, draw = self.create_base_image_draw((20, 20)) - draw.line((14, 5, 5, 14), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 normal 3px wide B failed') - img, draw = self.create_base_image_draw((20, 20)) - draw.line((5, 14, 14, 5), BLACK, 3) - self.assert_image_equal(img, expected, - 'line oblique 45 inverted 3px wide B failed') - - def test_wide_line_dot(self): - # Test drawing a wide "line" from one point to another just draws - # a single point + +def test_floodfill(): + red = ImageColor.getrgb("red") + + for mode, value in [("L", 1), ("RGBA", (255, 0, 0, 0)), ("RGB", red)]: # Arrange - im = Image.new("RGB", (W, H)) + im = Image.new(mode, (W, H)) draw = ImageDraw.Draw(im) - expected = "Tests/images/imagedraw_wide_line_dot.png" + draw.rectangle(BBOX2, outline="yellow", fill="green") + centre_point = (int(W / 2), int(H / 2)) # Act - draw.line([(50, 50), (50, 50)], width=3) + ImageDraw.floodfill(im, centre_point, value) # Assert - self.assert_image_similar(im, Image.open(expected), 1) - - def test_textsize_empty_string(self): - # https://github.com/python-pillow/Pillow/issues/2783 + expected = "Tests/images/imagedraw_floodfill_" + mode + ".png" + with Image.open(expected) as im_floodfill: + assert_image_equal(im, im_floodfill) + + # Test that using the same colour does not change the image + ImageDraw.floodfill(im, centre_point, red) + assert_image_equal(im, im_floodfill) + + # Test that filling outside the image does not change the image + ImageDraw.floodfill(im, (W, H), red) + assert_image_equal(im, im_floodfill) + + # Test filling at the edge of an image + im = Image.new("RGB", (1, 1)) + ImageDraw.floodfill(im, (0, 0), red) + assert_image_equal(im, Image.new("RGB", (1, 1), red)) + + +def test_floodfill_border(): + # floodfill() is experimental + + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + draw.rectangle(BBOX2, outline="yellow", fill="green") + centre_point = (int(W / 2), int(H / 2)) + + # Act + ImageDraw.floodfill( + im, + centre_point, + ImageColor.getrgb("red"), + border=ImageColor.getrgb("black"), + ) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_floodfill2.png") + + +def test_floodfill_thresh(): + # floodfill() is experimental + + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + draw.rectangle(BBOX2, outline="darkgreen", fill="green") + centre_point = (int(W / 2), int(H / 2)) + + # Act + ImageDraw.floodfill(im, centre_point, ImageColor.getrgb("red"), thresh=30) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_floodfill2.png") + + +def test_floodfill_not_negative(): + # floodfill() is experimental + # Test that floodfill does not extend into negative coordinates + + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + draw.line((W / 2, 0, W / 2, H / 2), fill="green") + draw.line((0, H / 2, W / 2, H / 2), fill="green") + + # Act + ImageDraw.floodfill(im, (int(W / 4), int(H / 4)), ImageColor.getrgb("red")) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_floodfill_not_negative.png") + + +def create_base_image_draw( + size, mode=DEFAULT_MODE, background1=WHITE, background2=GRAY +): + img = Image.new(mode, size, background1) + for x in range(0, size[0]): + for y in range(0, size[1]): + if (x + y) % 2 == 0: + img.putpixel((x, y), background2) + return img, ImageDraw.Draw(img) + + +def test_square(): + expected = os.path.join(IMAGES_PATH, "square.png") + img, draw = create_base_image_draw((10, 10)) + draw.polygon([(2, 2), (2, 7), (7, 7), (7, 2)], BLACK) + assert_image_equal_tofile(img, expected, "square as normal polygon failed") + img, draw = create_base_image_draw((10, 10)) + draw.polygon([(7, 7), (7, 2), (2, 2), (2, 7)], BLACK) + assert_image_equal_tofile(img, expected, "square as inverted polygon failed") + img, draw = create_base_image_draw((10, 10)) + draw.rectangle((2, 2, 7, 7), BLACK) + assert_image_equal_tofile(img, expected, "square as normal rectangle failed") + img, draw = create_base_image_draw((10, 10)) + draw.rectangle((7, 7, 2, 2), BLACK) + assert_image_equal_tofile(img, expected, "square as inverted rectangle failed") + + +def test_triangle_right(): + img, draw = create_base_image_draw((20, 20)) + draw.polygon([(3, 5), (17, 5), (10, 12)], BLACK) + assert_image_equal_tofile( + img, os.path.join(IMAGES_PATH, "triangle_right.png"), "triangle right failed" + ) + + +@pytest.mark.parametrize( + "fill, suffix", + ((BLACK, "width"), (None, "width_no_fill")), +) +def test_triangle_right_width(fill, suffix): + img, draw = create_base_image_draw((100, 100)) + draw.polygon([(15, 25), (85, 25), (50, 60)], fill, WHITE, width=5) + assert_image_equal_tofile( + img, os.path.join(IMAGES_PATH, "triangle_right_" + suffix + ".png") + ) + + +def test_line_horizontal(): + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 5), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_w2px_normal.png"), + "line straight horizontal normal 2px wide failed", + ) + + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 5, 5, 5), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_w2px_inverted.png"), + "line straight horizontal inverted 2px wide failed", + ) + + expected = os.path.join(IMAGES_PATH, "line_horizontal_w3px.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight horizontal normal 3px wide failed" + ) + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 5, 5, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight horizontal inverted 3px wide failed" + ) + + img, draw = create_base_image_draw((200, 110)) + draw.line((5, 55, 195, 55), BLACK, 101) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_w101px.png"), + "line straight horizontal 101px wide failed", + ) + + +def test_line_h_s1_w2(): + pytest.skip("failing") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 6), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_horizontal_slope1px_w2px.png"), + "line horizontal 1px slope 2px wide failed", + ) + + +def test_line_vertical(): + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 5, 14), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_w2px_normal.png"), + "line straight vertical normal 2px wide failed", + ) + + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 14, 5, 5), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_w2px_inverted.png"), + "line straight vertical inverted 2px wide failed", + ) + + expected = os.path.join(IMAGES_PATH, "line_vertical_w3px.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 5, 14), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight vertical normal 3px wide failed" + ) + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 14, 5, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line straight vertical inverted 3px wide failed" + ) + + img, draw = create_base_image_draw((110, 200)) + draw.line((55, 5, 55, 195), BLACK, 101) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_w101px.png"), + "line straight vertical 101px wide failed", + ) + + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 6, 14), BLACK, 2) + assert_image_equal_tofile( + img, + os.path.join(IMAGES_PATH, "line_vertical_slope1px_w2px.png"), + "line vertical 1px slope 2px wide failed", + ) + + +def test_line_oblique_45(): + expected = os.path.join(IMAGES_PATH, "line_oblique_45_w3px_a.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 5, 14, 14), BLACK, 3) + assert_image_equal_tofile(img, expected, "line oblique 45 normal 3px wide A failed") + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 14, 5, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line oblique 45 inverted 3px wide A failed" + ) + + expected = os.path.join(IMAGES_PATH, "line_oblique_45_w3px_b.png") + img, draw = create_base_image_draw((20, 20)) + draw.line((14, 5, 5, 14), BLACK, 3) + assert_image_equal_tofile(img, expected, "line oblique 45 normal 3px wide B failed") + img, draw = create_base_image_draw((20, 20)) + draw.line((5, 14, 14, 5), BLACK, 3) + assert_image_equal_tofile( + img, expected, "line oblique 45 inverted 3px wide B failed" + ) + + +def test_wide_line_dot(): + # Test drawing a wide "line" from one point to another just draws a single point + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw.line([(50, 50), (50, 50)], width=3) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_wide_line_dot.png", 1) + + +def test_wide_line_larger_than_int(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + expected = "Tests/images/imagedraw_wide_line_larger_than_int.png" + + # Act + draw.line([(0, 0), (32768, 32768)], width=3) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +@pytest.mark.parametrize( + "xy", + [ + [ + (400, 280), + (380, 280), + (450, 280), + (440, 120), + (350, 200), + (310, 280), + (300, 280), + (250, 280), + (250, 200), + (150, 200), + (150, 260), + (50, 200), + (150, 50), + (250, 100), + ], + ( + 400, + 280, + 380, + 280, + 450, + 280, + 440, + 120, + 350, + 200, + 310, + 280, + 300, + 280, + 250, + 280, + 250, + 200, + 150, + 200, + 150, + 260, + 50, + 200, + 150, + 50, + 250, + 100, + ), + [ + 400, + 280, + 380, + 280, + 450, + 280, + 440, + 120, + 350, + 200, + 310, + 280, + 300, + 280, + 250, + 280, + 250, + 200, + 150, + 200, + 150, + 260, + 50, + 200, + 150, + 50, + 250, + 100, + ], + ], +) +def test_line_joint(xy): + im = Image.new("RGB", (500, 325)) + draw = ImageDraw.Draw(im) + + # Act + draw.line(xy, GRAY, 50, "curve") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_line_joint_curve.png", 3) + + +def test_textsize_empty_string(): + # https://github.com/python-pillow/Pillow/issues/2783 + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + + # Act + # Should not cause 'SystemError: returned NULL without setting an error' + draw.textsize("") + draw.textsize("\n") + draw.textsize("test\n") + + +@skip_unless_feature("freetype2") +def test_textsize_stroke(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 20) + + # Act / Assert + assert draw.textsize("A", font, stroke_width=2) == (16, 20) + assert draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2) == (52, 44) + + +@skip_unless_feature("freetype2") +def test_stroke(): + for suffix, stroke_fill in {"same": None, "different": "#0f0"}.items(): # Arrange - im = Image.new("RGB", (W, H)) + im = Image.new("RGB", (120, 130)) draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) # Act - # Should not cause 'SystemError: returned NULL without setting an error' - draw.textsize("") - draw.textsize("\n") - draw.textsize("test\n") - + draw.text((12, 12), "A", "#f00", font, stroke_width=2, stroke_fill=stroke_fill) -if __name__ == '__main__': - unittest.main() + # Assert + assert_image_similar_tofile( + im, "Tests/images/imagedraw_stroke_" + suffix + ".png", 3.1 + ) + + +@skip_unless_feature("freetype2") +def test_stroke_descender(): + # Arrange + im = Image.new("RGB", (120, 130)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) + + # Act + draw.text((12, 2), "y", "#f00", font, stroke_width=2, stroke_fill="#0f0") + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_stroke_descender.png", 6.76) + + +@skip_unless_feature("freetype2") +def test_stroke_multiline(): + # Arrange + im = Image.new("RGB", (100, 250)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) + + # Act + draw.multiline_text( + (12, 12), "A\nB", "#f00", font, stroke_width=2, stroke_fill="#0f0" + ) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_stroke_multiline.png", 3.3) + + +def test_same_color_outline(): + # Prepare shape + x0, y0 = 5, 5 + x1, y1 = 5, 50 + x2, y2 = 95, 50 + x3, y3 = 95, 5 + + s = ImageDraw.Outline() + s.move(x0, y0) + s.curve(x1, y1, x2, y2, x3, y3) + s.line(x0, y0) + + # Begin + for mode in ["RGB", "L"]: + for fill, outline in [["red", None], ["red", "red"], ["red", "#f00"]]: + for operation, args in { + "chord": [BBOX1, 0, 180], + "ellipse": [BBOX1], + "shape": [s], + "pieslice": [BBOX1, -90, 45], + "polygon": [[(18, 30), (85, 30), (60, 72)]], + "rectangle": [BBOX1], + }.items(): + # Arrange + im = Image.new(mode, (W, H)) + draw = ImageDraw.Draw(im) + + # Act + draw_method = getattr(draw, operation) + args += [fill, outline] + draw_method(*args) + + # Assert + expected = f"Tests/images/imagedraw_outline_{operation}_{mode}.png" + assert_image_similar_tofile(im, expected, 1) + + +@pytest.mark.parametrize( + "n_sides, rotation, polygon_name", + [(4, 0, "square"), (8, 0, "regular_octagon"), (4, 45, "square")], +) +def test_draw_regular_polygon(n_sides, rotation, polygon_name): + im = Image.new("RGBA", size=(W, H), color=(255, 0, 0, 0)) + filename_base = f"Tests/images/imagedraw_{polygon_name}" + filename = ( + f"{filename_base}.png" + if rotation == 0 + else f"{filename_base}_rotate_{rotation}.png" + ) + draw = ImageDraw.Draw(im) + bounding_circle = ((W // 2, H // 2), 25) + draw.regular_polygon(bounding_circle, n_sides, rotation=rotation, fill="red") + assert_image_equal_tofile(im, filename) + + +@pytest.mark.parametrize( + "n_sides, expected_vertices", + [ + (3, [(28.35, 62.5), (71.65, 62.5), (50.0, 25.0)]), + (4, [(32.32, 67.68), (67.68, 67.68), (67.68, 32.32), (32.32, 32.32)]), + ( + 5, + [ + (35.31, 70.23), + (64.69, 70.23), + (73.78, 42.27), + (50.0, 25.0), + (26.22, 42.27), + ], + ), + ( + 6, + [ + (37.5, 71.65), + (62.5, 71.65), + (75.0, 50.0), + (62.5, 28.35), + (37.5, 28.35), + (25.0, 50.0), + ], + ), + ], +) +def test_compute_regular_polygon_vertices(n_sides, expected_vertices): + bounding_circle = (W // 2, H // 2, 25) + vertices = ImageDraw._compute_regular_polygon_vertices(bounding_circle, n_sides, 0) + assert vertices == expected_vertices + + +@pytest.mark.parametrize( + "n_sides, bounding_circle, rotation, expected_error, error_message", + [ + (None, (50, 50, 25), 0, TypeError, "n_sides should be an int"), + (1, (50, 50, 25), 0, ValueError, "n_sides should be an int > 2"), + (3, 50, 0, TypeError, "bounding_circle should be a tuple"), + ( + 3, + (50, 50, 100, 100), + 0, + ValueError, + "bounding_circle should contain 2D coordinates " + "and a radius (e.g. (x, y, r) or ((x, y), r) )", + ), + ( + 3, + (50, 50, "25"), + 0, + ValueError, + "bounding_circle should only contain numeric data", + ), + ( + 3, + ((50, 50, 50), 25), + 0, + ValueError, + "bounding_circle centre should contain 2D coordinates (e.g. (x, y))", + ), + ( + 3, + (50, 50, 0), + 0, + ValueError, + "bounding_circle radius should be > 0", + ), + ( + 3, + (50, 50, 25), + "0", + ValueError, + "rotation should be an int or float", + ), + ], +) +def test_compute_regular_polygon_vertices_input_error_handling( + n_sides, bounding_circle, rotation, expected_error, error_message +): + with pytest.raises(expected_error) as e: + ImageDraw._compute_regular_polygon_vertices(bounding_circle, n_sides, rotation) + assert str(e.value) == error_message + + +def test_continuous_horizontal_edges_polygon(): + xy = [ + (2, 6), + (6, 6), + (12, 6), + (12, 12), + (8, 12), + (8, 8), + (4, 8), + (2, 8), + ] + img, draw = create_base_image_draw((16, 16)) + draw.polygon(xy, BLACK) + expected = os.path.join(IMAGES_PATH, "continuous_horizontal_edges_polygon.png") + assert_image_equal_tofile( + img, expected, "continuous horizontal edges polygon failed" + ) diff --git a/Tests/test_imagedraw2.py b/Tests/test_imagedraw2.py new file mode 100644 index 00000000000..3a70176cee5 --- /dev/null +++ b/Tests/test_imagedraw2.py @@ -0,0 +1,241 @@ +import os.path + +from PIL import Image, ImageDraw, ImageDraw2 + +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + hopper, + skip_unless_feature, +) + +BLACK = (0, 0, 0) +WHITE = (255, 255, 255) +GRAY = (190, 190, 190) +DEFAULT_MODE = "RGB" +IMAGES_PATH = os.path.join("Tests", "images", "imagedraw") + +# Image size +W, H = 100, 100 + +# Bounding box points +X0 = int(W / 4) +X1 = int(X0 * 3) +Y0 = int(H / 4) +Y1 = int(X0 * 3) + +# Two kinds of bounding box +BBOX1 = [(X0, Y0), (X1, Y1)] +BBOX2 = [X0, Y0, X1, Y1] + +# Two kinds of coordinate sequences +POINTS1 = [(10, 10), (20, 40), (30, 30)] +POINTS2 = [10, 10, 20, 40, 30, 30] + +KITE_POINTS = [(10, 50), (70, 10), (90, 50), (70, 90), (10, 50)] + +FONT_PATH = "Tests/fonts/FreeMono.ttf" + + +def test_sanity(): + im = hopper("RGB").copy() + + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("blue", width=7) + draw.line(list(range(10)), pen) + + draw, handler = ImageDraw.getdraw(im) + pen = ImageDraw2.Pen("blue", width=7) + draw.line(list(range(10)), pen) + + +def helper_ellipse(mode, bbox): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("blue", width=2) + brush = ImageDraw2.Brush("green") + expected = f"Tests/images/imagedraw_ellipse_{mode}.png" + + # Act + draw.ellipse(bbox, pen, brush) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +def test_ellipse1(): + helper_ellipse("RGB", BBOX1) + + +def test_ellipse2(): + helper_ellipse("RGB", BBOX2) + + +def test_ellipse_edge(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + brush = ImageDraw2.Brush("white") + + # Act + draw.ellipse(((0, 0), (W - 1, H - 1)), brush) + + # Assert + assert_image_similar_tofile(im, "Tests/images/imagedraw_ellipse_edge.png", 1) + + +def helper_line(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("yellow", width=2) + + # Act + draw.line(points, pen) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_line.png") + + +def test_line1_pen(): + helper_line(POINTS1) + + +def test_line2_pen(): + helper_line(POINTS2) + + +def test_line_pen_as_brush(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = None + brush = ImageDraw2.Pen("yellow", width=2) + + # Act + # Pass in the pen as the brush parameter + draw.line(POINTS1, pen, brush) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_line.png") + + +def helper_polygon(points): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("blue", width=2) + brush = ImageDraw2.Brush("red") + + # Act + draw.polygon(points, pen, brush) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon.png") + + +def test_polygon1(): + helper_polygon(POINTS1) + + +def test_polygon2(): + helper_polygon(POINTS2) + + +def helper_rectangle(bbox): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + pen = ImageDraw2.Pen("green", width=2) + brush = ImageDraw2.Brush("black") + + # Act + draw.rectangle(bbox, pen, brush) + + # Assert + assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle.png") + + +def test_rectangle1(): + helper_rectangle(BBOX1) + + +def test_rectangle2(): + helper_rectangle(BBOX2) + + +def test_big_rectangle(): + # Test drawing a rectangle bigger than the image + # Arrange + im = Image.new("RGB", (W, H)) + bbox = [(-1, -1), (W + 1, H + 1)] + brush = ImageDraw2.Brush("orange") + draw = ImageDraw2.Draw(im) + expected = "Tests/images/imagedraw_big_rectangle.png" + + # Act + draw.rectangle(bbox, brush) + + # Assert + assert_image_similar_tofile(im, expected, 1) + + +@skip_unless_feature("freetype2") +def test_text(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + expected = "Tests/images/imagedraw2_text.png" + + # Act + draw.text((5, 5), "ImageDraw2", font) + + # Assert + assert_image_similar_tofile(im, expected, 13) + + +@skip_unless_feature("freetype2") +def test_textsize(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + + # Act + size = draw.textsize("ImageDraw2", font) + + # Assert + assert size[1] == 12 + + +@skip_unless_feature("freetype2") +def test_textsize_empty_string(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + + # Act + # Should not cause 'SystemError: returned NULL without setting an error' + draw.textsize("", font) + draw.textsize("\n", font) + draw.textsize("test\n", font) + + +@skip_unless_feature("freetype2") +def test_flush(): + # Arrange + im = Image.new("RGB", (W, H)) + draw = ImageDraw2.Draw(im) + font = ImageDraw2.Font("white", FONT_PATH) + + # Act + draw.text((5, 5), "ImageDraw2", font) + im2 = draw.flush() + + # Assert + assert_image_equal(im, im2) diff --git a/Tests/test_imageenhance.py b/Tests/test_imageenhance.py index e9727613b60..8bc94401e80 100644 --- a/Tests/test_imageenhance.py +++ b/Tests/test_imageenhance.py @@ -1,53 +1,55 @@ -from helper import unittest, PillowTestCase, hopper +from PIL import Image, ImageEnhance -from PIL import Image -from PIL import ImageEnhance +from .helper import assert_image_equal, hopper -class TestImageEnhance(PillowTestCase): +def test_sanity(): + # FIXME: assert_image + # Implicit asserts no exception: + ImageEnhance.Color(hopper()).enhance(0.5) + ImageEnhance.Contrast(hopper()).enhance(0.5) + ImageEnhance.Brightness(hopper()).enhance(0.5) + ImageEnhance.Sharpness(hopper()).enhance(0.5) - def test_sanity(self): - # FIXME: assert_image - # Implicit asserts no exception: - ImageEnhance.Color(hopper()).enhance(0.5) - ImageEnhance.Contrast(hopper()).enhance(0.5) - ImageEnhance.Brightness(hopper()).enhance(0.5) - ImageEnhance.Sharpness(hopper()).enhance(0.5) +def test_crash(): + # crashes on small images + im = Image.new("RGB", (1, 1)) + ImageEnhance.Sharpness(im).enhance(0.5) - def test_crash(self): - # crashes on small images - im = Image.new("RGB", (1, 1)) - ImageEnhance.Sharpness(im).enhance(0.5) +def _half_transparent_image(): + # returns an image, half transparent, half solid + im = hopper("RGB") - def _half_transparent_image(self): - # returns an image, half transparent, half solid - im = hopper('RGB') + transparent = Image.new("L", im.size, 0) + solid = Image.new("L", (im.size[0] // 2, im.size[1]), 255) + transparent.paste(solid, (0, 0)) + im.putalpha(transparent) - transparent = Image.new('L', im.size, 0) - solid = Image.new('L', (im.size[0]//2, im.size[1]), 255) - transparent.paste(solid, (0, 0)) - im.putalpha(transparent) + return im - return im - def _check_alpha(self, im, original, op, amount): - self.assertEqual(im.getbands(), original.getbands()) - self.assert_image_equal(im.getchannel('A'), original.getchannel('A'), - "Diff on %s: %s" % (op, amount)) +def _check_alpha(im, original, op, amount): + assert im.getbands() == original.getbands() + assert_image_equal( + im.getchannel("A"), + original.getchannel("A"), + f"Diff on {op}: {amount}", + ) - def test_alpha(self): - # Issue https://github.com/python-pillow/Pillow/issues/899 - # Is alpha preserved through image enhancement? - original = self._half_transparent_image() +def test_alpha(): + # Issue https://github.com/python-pillow/Pillow/issues/899 + # Is alpha preserved through image enhancement? - for op in ['Color', 'Brightness', 'Contrast', 'Sharpness']: - for amount in [0, 0.5, 1.0]: - self._check_alpha(getattr(ImageEnhance, op)(original).enhance(amount), - original, op, amount) + original = _half_transparent_image() - -if __name__ == '__main__': - unittest.main() + for op in ["Color", "Brightness", "Contrast", "Sharpness"]: + for amount in [0, 0.5, 1.0]: + _check_alpha( + getattr(ImageEnhance, op)(original).enhance(amount), + original, + op, + amount, + ) diff --git a/Tests/test_imagefile.py b/Tests/test_imagefile.py index b50dcc94384..a5c76700d65 100644 --- a/Tests/test_imagefile.py +++ b/Tests/test_imagefile.py @@ -1,26 +1,29 @@ -from helper import unittest, PillowTestCase, hopper, fromstring, tostring - from io import BytesIO -from PIL import Image -from PIL import ImageFile -from PIL import EpsImagePlugin +import pytest +from PIL import BmpImagePlugin, EpsImagePlugin, Image, ImageFile, _binary, features -codecs = dir(Image.core) +from .helper import ( + assert_image, + assert_image_equal, + assert_image_similar, + fromstring, + hopper, + skip_unless_feature, + tostring, +) # save original block sizes MAXBLOCK = ImageFile.MAXBLOCK SAFEBLOCK = ImageFile.SAFEBLOCK -class TestImageFile(PillowTestCase): - +class TestImageFile: def test_parser(self): - def roundtrip(format): - im = hopper("L").resize((1000, 1000)) + im = hopper("L").resize((1000, 1000), Image.NEAREST) if format in ("MSP", "XBM"): im = im.convert("1") @@ -36,23 +39,23 @@ def roundtrip(format): return im, imOut - self.assert_image_equal(*roundtrip("BMP")) + assert_image_equal(*roundtrip("BMP")) im1, im2 = roundtrip("GIF") - self.assert_image_similar(im1.convert('P'), im2, 1) - self.assert_image_equal(*roundtrip("IM")) - self.assert_image_equal(*roundtrip("MSP")) - if "zip_encoder" in codecs: + assert_image_similar(im1.convert("P"), im2, 1) + assert_image_equal(*roundtrip("IM")) + assert_image_equal(*roundtrip("MSP")) + if features.check("zlib"): try: # force multiple blocks in PNG driver ImageFile.MAXBLOCK = 8192 - self.assert_image_equal(*roundtrip("PNG")) + assert_image_equal(*roundtrip("PNG")) finally: ImageFile.MAXBLOCK = MAXBLOCK - self.assert_image_equal(*roundtrip("PPM")) - self.assert_image_equal(*roundtrip("TIFF")) - self.assert_image_equal(*roundtrip("XBM")) - self.assert_image_equal(*roundtrip("TGA")) - self.assert_image_equal(*roundtrip("PCX")) + assert_image_equal(*roundtrip("PPM")) + assert_image_equal(*roundtrip("TIFF")) + assert_image_equal(*roundtrip("XBM")) + assert_image_equal(*roundtrip("TGA")) + assert_image_equal(*roundtrip("PCX")) if EpsImagePlugin.has_ghostscript(): im1, im2 = roundtrip("EPS") @@ -63,25 +66,37 @@ def roundtrip(format): # md5sum: ba974835ff2d6f3f2fd0053a23521d4a # EPS comes back in RGB: - self.assert_image_similar(im1, im2.convert('L'), 20) + assert_image_similar(im1, im2.convert("L"), 20) - if "jpeg_encoder" in codecs: + if features.check("jpg"): im1, im2 = roundtrip("JPEG") # lossy compression - self.assert_image(im1, im2.mode, im2.size) + assert_image(im1, im2.mode, im2.size) - self.assertRaises(IOError, roundtrip, "PDF") + with pytest.raises(OSError): + roundtrip("PDF") def test_ico(self): - with open('Tests/images/python.ico', 'rb') as f: + with open("Tests/images/python.ico", "rb") as f: data = f.read() with ImageFile.Parser() as p: p.feed(data) - self.assertEqual((48, 48), p.image.size) + assert (48, 48) == p.image.size - def test_safeblock(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") + @skip_unless_feature("webp") + @skip_unless_feature("webp_anim") + def test_incremental_webp(self): + with ImageFile.Parser() as p: + with open("Tests/images/hopper.webp", "rb") as f: + p.feed(f.read(1024)) + # Check that insufficient data was given in the first feed + assert not p.image + + p.feed(f.read()) + assert (128, 128) == p.image.size + + @skip_unless_feature("zlib") + def test_safeblock(self): im1 = hopper() try: @@ -90,75 +105,92 @@ def test_safeblock(self): finally: ImageFile.SAFEBLOCK = SAFEBLOCK - self.assert_image_equal(im1, im2) + assert_image_equal(im1, im2) - def test_raise_ioerror(self): - self.assertRaises(IOError, ImageFile.raise_ioerror, 1) + def test_raise_oserror(self): + with pytest.raises(OSError): + ImageFile.raise_oserror(1) def test_raise_typeerror(self): - with self.assertRaises(TypeError): + with pytest.raises(TypeError): parser = ImageFile.Parser() parser.feed(1) + def test_negative_stride(self): + with open("Tests/images/raw_negative_stride.bin", "rb") as f: + input = f.read() + p = ImageFile.Parser() + p.feed(input) + with pytest.raises(OSError): + p.close() + + def test_truncated(self): + b = BytesIO( + b"BM000000000000" # head_data + + _binary.o32le( + ImageFile.SAFEBLOCK + 1 + 4 + ) # header_size, so BmpImagePlugin will try to read SAFEBLOCK + 1 bytes + + ( + b"0" * ImageFile.SAFEBLOCK + ) # only SAFEBLOCK bytes, so that the header is truncated + ) + with pytest.raises(OSError) as e: + BmpImagePlugin.BmpImageFile(b) + assert str(e.value) == "Truncated File Read" + + @skip_unless_feature("zlib") def test_truncated_with_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") + with Image.open("Tests/images/truncated_image.png") as im: + with pytest.raises(OSError): + im.load() - im = Image.open("Tests/images/truncated_image.png") - with self.assertRaises(IOError): - im.load() + # Test that the error is raised if loaded a second time + with pytest.raises(OSError): + im.load() + @skip_unless_feature("zlib") def test_truncated_without_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") - - im = Image.open("Tests/images/truncated_image.png") - - ImageFile.LOAD_TRUNCATED_IMAGES = True - try: - im.load() - finally: - ImageFile.LOAD_TRUNCATED_IMAGES = False + with Image.open("Tests/images/truncated_image.png") as im: + ImageFile.LOAD_TRUNCATED_IMAGES = True + try: + im.load() + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False + @skip_unless_feature("zlib") def test_broken_datastream_with_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") - - im = Image.open("Tests/images/broken_data_stream.png") - with self.assertRaises(IOError): - im.load() + with Image.open("Tests/images/broken_data_stream.png") as im: + with pytest.raises(OSError): + im.load() + @skip_unless_feature("zlib") def test_broken_datastream_without_errors(self): - if "zip_encoder" not in codecs: - self.skipTest("PNG (zlib) encoder not available") - - im = Image.open("Tests/images/broken_data_stream.png") - - ImageFile.LOAD_TRUNCATED_IMAGES = True - try: - im.load() - finally: - ImageFile.LOAD_TRUNCATED_IMAGES = False + with Image.open("Tests/images/broken_data_stream.png") as im: + ImageFile.LOAD_TRUNCATED_IMAGES = True + try: + im.load() + finally: + ImageFile.LOAD_TRUNCATED_IMAGES = False class MockPyDecoder(ImageFile.PyDecoder): def decode(self, buffer): # eof - return (-1, 0) + return -1, 0 + xoff, yoff, xsize, ysize = 10, 20, 100, 100 class MockImageFile(ImageFile.ImageFile): def _open(self): - self.rawmode = 'RGBA' - self.mode = 'RGBA' - self.size = (200, 200) - self.tile = [("MOCK", (xoff, yoff, xoff+xsize, yoff+ysize), 32, None)] - + self.rawmode = "RGBA" + self.mode = "RGBA" + self._size = (200, 200) + self.tile = [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize), 32, None)] -class TestPyDecoder(PillowTestCase): +class TestPyDecoder: def get_decoder(self): decoder = MockPyDecoder(None) @@ -166,26 +198,27 @@ def closure(mode, *args): decoder.__init__(mode, *args) return decoder - Image.register_decoder('MOCK', closure) + Image.register_decoder("MOCK", closure) return decoder def test_setimage(self): - buf = BytesIO(b'\x00'*255) + buf = BytesIO(b"\x00" * 255) im = MockImageFile(buf) d = self.get_decoder() im.load() - self.assertEqual(d.state.xoff, xoff) - self.assertEqual(d.state.yoff, yoff) - self.assertEqual(d.state.xsize, xsize) - self.assertEqual(d.state.ysize, ysize) + assert d.state.xoff == xoff + assert d.state.yoff == yoff + assert d.state.xsize == xsize + assert d.state.ysize == ysize - self.assertRaises(ValueError, d.set_as_raw, b'\x00') + with pytest.raises(ValueError): + d.set_as_raw(b"\x00") def test_extents_none(self): - buf = BytesIO(b'\x00'*255) + buf = BytesIO(b"\x00" * 255) im = MockImageFile(buf) im.tile = [("MOCK", None, 32, None)] @@ -193,34 +226,47 @@ def test_extents_none(self): im.load() - self.assertEqual(d.state.xoff, 0) - self.assertEqual(d.state.yoff, 0) - self.assertEqual(d.state.xsize, 200) - self.assertEqual(d.state.ysize, 200) + assert d.state.xoff == 0 + assert d.state.yoff == 0 + assert d.state.xsize == 200 + assert d.state.ysize == 200 def test_negsize(self): - buf = BytesIO(b'\x00'*255) + buf = BytesIO(b"\x00" * 255) im = MockImageFile(buf) - im.tile = [("MOCK", (xoff, yoff, -10, yoff+ysize), 32, None)] - d = self.get_decoder() + im.tile = [("MOCK", (xoff, yoff, -10, yoff + ysize), 32, None)] + self.get_decoder() - self.assertRaises(ValueError, im.load) + with pytest.raises(ValueError): + im.load() - im.tile = [("MOCK", (xoff, yoff, xoff+xsize, -10), 32, None)] - self.assertRaises(ValueError, im.load) + im.tile = [("MOCK", (xoff, yoff, xoff + xsize, -10), 32, None)] + with pytest.raises(ValueError): + im.load() def test_oversize(self): - buf = BytesIO(b'\x00'*255) + buf = BytesIO(b"\x00" * 255) im = MockImageFile(buf) - im.tile = [("MOCK", (xoff, yoff, xoff+xsize + 100, yoff+ysize), 32, None)] - d = self.get_decoder() + im.tile = [("MOCK", (xoff, yoff, xoff + xsize + 100, yoff + ysize), 32, None)] + self.get_decoder() - self.assertRaises(ValueError, im.load) + with pytest.raises(ValueError): + im.load() - im.tile = [("MOCK", (xoff, yoff, xoff+xsize, yoff+ysize + 100), 32, None)] - self.assertRaises(ValueError, im.load) + im.tile = [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize + 100), 32, None)] + with pytest.raises(ValueError): + im.load() + + def test_no_format(self): + buf = BytesIO(b"\x00" * 255) + + im = MockImageFile(buf) + assert im.format is None + assert im.get_format_mimetype() is None -if __name__ == '__main__': - unittest.main() + def test_oserror(self): + im = Image.new("RGB", (1, 1)) + with pytest.raises(OSError): + im.save(BytesIO(), "JPEG2000", num_resolutions=2) diff --git a/Tests/test_imagefont.py b/Tests/test_imagefont.py index c437e76b29a..0d423aab7be 100644 --- a/Tests/test_imagefont.py +++ b/Tests/test_imagefont.py @@ -1,140 +1,152 @@ -# -*- coding: utf-8 -*- -from helper import unittest, PillowTestCase - -from PIL import Image, ImageDraw, ImageFont, features -from io import BytesIO +import copy import os +import re +import shutil import sys -import copy +from io import BytesIO + +import pytest +from packaging.version import parse as parse_version + +from PIL import Image, ImageDraw, ImageFont, features + +from .helper import ( + assert_image_equal, + assert_image_equal_tofile, + assert_image_similar_tofile, + is_win32, + skip_unless_feature, + skip_unless_feature_version, +) FONT_PATH = "Tests/fonts/FreeMono.ttf" FONT_SIZE = 20 TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward" -HAS_FREETYPE = features.check('freetype2') -HAS_RAQM = features.check('raqm') - -class SimplePatcher(object): - def __init__(self, parent_obj, attr_name, value): - self._parent_obj = parent_obj - self._attr_name = attr_name - self._saved = None - self._is_saved = False - self._value = value +pytestmark = skip_unless_feature("freetype2") - def __enter__(self): - # Patch the attr on the object - if hasattr(self._parent_obj, self._attr_name): - self._saved = getattr(self._parent_obj, self._attr_name) - setattr(self._parent_obj, self._attr_name, self._value) - self._is_saved = True - else: - setattr(self._parent_obj, self._attr_name, self._value) - self._is_saved = False - - def __exit__(self, type, value, traceback): - # Restore the original value - if self._is_saved: - setattr(self._parent_obj, self._attr_name, self._saved) - else: - delattr(self._parent_obj, self._attr_name) - -@unittest.skipUnless(HAS_FREETYPE, "ImageFont not Available") -class TestImageFont(PillowTestCase): +class TestImageFont: LAYOUT_ENGINE = ImageFont.LAYOUT_BASIC - # Freetype has different metrics depending on the version. - # (and, other things, but first things first) - METRICS = { - ('2', '3'): {'multiline': 30, - 'textsize': 12, - 'getters': (13, 16)}, - ('2', '7'): {'multiline': 6.2, - 'textsize': 2.5, - 'getters': (12, 16)}, - ('2', '8'): {'multiline': 6.2, - 'textsize': 2.5, - 'getters': (12, 16)}, - 'Default': {'multiline': 0.5, - 'textsize': 0.5, - 'getters': (12, 16)}, - } - - def setUp(self): - freetype_version = tuple(ImageFont.core.freetype2_version.split('.'))[:2] - self.metrics = self.METRICS.get(freetype_version, self.METRICS['Default']) - def get_font(self): - return ImageFont.truetype(FONT_PATH, FONT_SIZE, - layout_engine=self.LAYOUT_ENGINE) + return ImageFont.truetype( + FONT_PATH, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE + ) def test_sanity(self): - self.assertRegexpMatches( - ImageFont.core.freetype2_version, r"\d+\.\d+\.\d+$") + assert re.search(r"\d+\.\d+\.\d+$", features.version_module("freetype2")) def test_font_properties(self): ttf = self.get_font() - self.assertEqual(ttf.path, FONT_PATH) - self.assertEqual(ttf.size, FONT_SIZE) + assert ttf.path == FONT_PATH + assert ttf.size == FONT_SIZE ttf_copy = ttf.font_variant() - self.assertEqual(ttf_copy.path, FONT_PATH) - self.assertEqual(ttf_copy.size, FONT_SIZE) + assert ttf_copy.path == FONT_PATH + assert ttf_copy.size == FONT_SIZE - ttf_copy = ttf.font_variant(size=FONT_SIZE+1) - self.assertEqual(ttf_copy.size, FONT_SIZE+1) + ttf_copy = ttf.font_variant(size=FONT_SIZE + 1) + assert ttf_copy.size == FONT_SIZE + 1 - second_font_path = "Tests/fonts/DejaVuSans.ttf" + second_font_path = "Tests/fonts/DejaVuSans/DejaVuSans.ttf" ttf_copy = ttf.font_variant(font=second_font_path) - self.assertEqual(ttf_copy.path, second_font_path) + assert ttf_copy.path == second_font_path def test_font_with_name(self): self.get_font() self._render(FONT_PATH) def _font_as_bytes(self): - with open(FONT_PATH, 'rb') as f: + with open(FONT_PATH, "rb") as f: font_bytes = BytesIO(f.read()) return font_bytes def test_font_with_filelike(self): - ImageFont.truetype(self._font_as_bytes(), FONT_SIZE, - layout_engine=self.LAYOUT_ENGINE) + ImageFont.truetype( + self._font_as_bytes(), FONT_SIZE, layout_engine=self.LAYOUT_ENGINE + ) self._render(self._font_as_bytes()) # Usage note: making two fonts from the same buffer fails. # shared_bytes = self._font_as_bytes() # self._render(shared_bytes) - # self.assertRaises(Exception, _render, shared_bytes) + # with pytest.raises(Exception): + # _render(shared_bytes) def test_font_with_open_file(self): - with open(FONT_PATH, 'rb') as f: + with open(FONT_PATH, "rb") as f: self._render(f) + def test_non_ascii_path(self, tmp_path): + tempfile = str(tmp_path / ("temp_" + chr(128) + ".ttf")) + try: + shutil.copy(FONT_PATH, tempfile) + except UnicodeEncodeError: + pytest.skip("Non-ASCII path could not be created") + + ImageFont.truetype(tempfile, FONT_SIZE) + + def test_unavailable_layout_engine(self): + have_raqm = ImageFont.core.HAVE_RAQM + ImageFont.core.HAVE_RAQM = False + + try: + ttf = ImageFont.truetype( + FONT_PATH, FONT_SIZE, layout_engine=ImageFont.LAYOUT_RAQM + ) + finally: + ImageFont.core.HAVE_RAQM = have_raqm + + assert ttf.layout_engine == ImageFont.LAYOUT_BASIC + def _render(self, font): txt = "Hello World!" - ttf = ImageFont.truetype(font, FONT_SIZE, - layout_engine=self.LAYOUT_ENGINE) + ttf = ImageFont.truetype(font, FONT_SIZE, layout_engine=self.LAYOUT_ENGINE) ttf.getsize(txt) img = Image.new("RGB", (256, 64), "white") d = ImageDraw.Draw(img) - d.text((10, 10), txt, font=ttf, fill='black') + d.text((10, 10), txt, font=ttf, fill="black") return img def test_render_equal(self): img_path = self._render(FONT_PATH) - with open(FONT_PATH, 'rb') as f: + with open(FONT_PATH, "rb") as f: font_filelike = BytesIO(f.read()) img_filelike = self._render(font_filelike) - self.assert_image_equal(img_path, img_filelike) + assert_image_equal(img_path, img_filelike) + + def test_transparent_background(self): + im = Image.new(mode="RGBA", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + + txt = "Hello World!" + draw.text((10, 10), txt, font=ttf) + + target = "Tests/images/transparent_background_text.png" + assert_image_similar_tofile(im, target, 4.09) + + target = "Tests/images/transparent_background_text_L.png" + assert_image_similar_tofile(im.convert("L"), target, 0.01) + + def test_I16(self): + im = Image.new(mode="I;16", size=(300, 100)) + draw = ImageDraw.Draw(im) + ttf = self.get_font() + + txt = "Hello World!" + draw.text((10, 10), txt, font=ttf) + + target = "Tests/images/transparent_background_text_L.png" + assert_image_similar_tofile(im.convert("L"), target, 0.01) def test_textsize_equal(self): - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) ttf = self.get_font() @@ -143,91 +155,114 @@ def test_textsize_equal(self): draw.text((10, 10), txt, font=ttf) draw.rectangle((10, 10, 10 + size[0], 10 + size[1])) - target = 'Tests/images/rectangle_surrounding_text.png' - target_img = Image.open(target) - - # Epsilon ~.5 fails with FreeType 2.7 - self.assert_image_similar(im, target_img, self.metrics['textsize']) + assert_image_similar_tofile( + im, "Tests/images/rectangle_surrounding_text.png", 2.5 + ) + + @pytest.mark.parametrize( + "text, mode, font, size, length_basic, length_raqm", + ( + # basic test + ("text", "L", "FreeMono.ttf", 15, 36, 36), + ("text", "1", "FreeMono.ttf", 15, 36, 36), + # issue 4177 + ("rrr", "L", "DejaVuSans/DejaVuSans.ttf", 18, 21, 22.21875), + ("rrr", "1", "DejaVuSans/DejaVuSans.ttf", 18, 24, 22.21875), + # test 'l' not including extra margin + # using exact value 2047 / 64 for raqm, checked with debugger + ("ill", "L", "OpenSansCondensed-LightItalic.ttf", 63, 33, 31.984375), + ("ill", "1", "OpenSansCondensed-LightItalic.ttf", 63, 33, 31.984375), + ), + ) + def test_getlength(self, text, mode, font, size, length_basic, length_raqm): + f = ImageFont.truetype( + "Tests/fonts/" + font, size, layout_engine=self.LAYOUT_ENGINE + ) + + im = Image.new(mode, (1, 1), 0) + d = ImageDraw.Draw(im) + + if self.LAYOUT_ENGINE == ImageFont.LAYOUT_BASIC: + length = d.textlength(text, f) + assert length == length_basic + else: + # disable kerning, kerning metrics changed + length = d.textlength(text, f, features=["-kern"]) + assert length == length_raqm def test_render_multiline(self): - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) ttf = self.get_font() - line_spacing = draw.textsize('A', font=ttf)[1] + 4 + line_spacing = draw.textsize("A", font=ttf)[1] + 4 lines = TEST_TEXT.split("\n") y = 0 for line in lines: draw.text((0, y), line, font=ttf) y += line_spacing - target = 'Tests/images/multiline_text.png' - target_img = Image.open(target) - # some versions of freetype have different horizontal spacing. # setting a tight epsilon, I'm showing the original test failure # at epsilon = ~38. - self.assert_image_similar(im, target_img, self.metrics['multiline']) + assert_image_similar_tofile(im, "Tests/images/multiline_text.png", 6.2) def test_render_multiline_text(self): ttf = self.get_font() # Test that text() correctly connects to multiline_text() # and that align defaults to left - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) draw.text((0, 0), TEST_TEXT, font=ttf) - target = 'Tests/images/multiline_text.png' - target_img = Image.open(target) - - # Epsilon ~.5 fails with FreeType 2.7 - self.assert_image_similar(im, target_img, self.metrics['multiline']) + assert_image_similar_tofile(im, "Tests/images/multiline_text.png", 0.01) # Test that text() can pass on additional arguments # to multiline_text() - draw.text((0, 0), TEST_TEXT, fill=None, font=ttf, anchor=None, - spacing=4, align="left") + draw.text( + (0, 0), TEST_TEXT, fill=None, font=ttf, anchor=None, spacing=4, align="left" + ) draw.text((0, 0), TEST_TEXT, None, ttf, None, 4, "left") # Test align center and right - for align, ext in {"center": "_center", - "right": "_right"}.items(): - im = Image.new(mode='RGB', size=(300, 100)) + for align, ext in {"center": "_center", "right": "_right"}.items(): + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) draw.multiline_text((0, 0), TEST_TEXT, font=ttf, align=align) - target = 'Tests/images/multiline_text'+ext+'.png' - target_img = Image.open(target) - - # Epsilon ~.5 fails with FreeType 2.7 - self.assert_image_similar(im, target_img, self.metrics['multiline']) + assert_image_similar_tofile( + im, "Tests/images/multiline_text" + ext + ".png", 0.01 + ) def test_unknown_align(self): - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) ttf = self.get_font() # Act/Assert - self.assertRaises(AssertionError, - draw.multiline_text, (0, 0), TEST_TEXT, - font=ttf, - align="unknown") + with pytest.raises(ValueError): + draw.multiline_text((0, 0), TEST_TEXT, font=ttf, align="unknown") def test_draw_align(self): - im = Image.new('RGB', (300, 100), 'white') + im = Image.new("RGB", (300, 100), "white") draw = ImageDraw.Draw(im) ttf = self.get_font() line = "some text" - draw.text((100, 40), line, (0, 0, 0), font=ttf, align='left') + draw.text((100, 40), line, (0, 0, 0), font=ttf, align="left") def test_multiline_size(self): ttf = self.get_font() - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) # Test that textsize() correctly connects to multiline_textsize() - self.assertEqual(draw.textsize(TEST_TEXT, font=ttf), - draw.multiline_textsize(TEST_TEXT, font=ttf)) + assert draw.textsize(TEST_TEXT, font=ttf) == draw.multiline_textsize( + TEST_TEXT, font=ttf + ) + + # Test that multiline_textsize corresponds to ImageFont.textsize() + # for single line text + assert ttf.getsize("A") == draw.multiline_textsize("A", font=ttf) # Test that textsize() can pass on additional arguments # to multiline_textsize() @@ -236,25 +271,22 @@ def test_multiline_size(self): def test_multiline_width(self): ttf = self.get_font() - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) - self.assertEqual(draw.textsize("longest line", font=ttf)[0], - draw.multiline_textsize("longest line\nline", - font=ttf)[0]) + assert ( + draw.textsize("longest line", font=ttf)[0] + == draw.multiline_textsize("longest line\nline", font=ttf)[0] + ) def test_multiline_spacing(self): ttf = self.get_font() - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) draw.multiline_text((0, 0), TEST_TEXT, font=ttf, spacing=10) - target = 'Tests/images/multiline_text_spacing.png' - target_img = Image.open(target) - - # Epsilon ~.5 fails with FreeType 2.7 - self.assert_image_similar(im, target_img, self.metrics['multiline']) + assert_image_similar_tofile(im, "Tests/images/multiline_text_spacing.png", 2.5) def test_rotated_transposed_font(self): img_grey = Image.new("L", (100, 100)) @@ -263,8 +295,7 @@ def test_rotated_transposed_font(self): font = self.get_font() orientation = Image.ROTATE_90 - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) # Original font draw.font = font @@ -275,8 +306,8 @@ def test_rotated_transposed_font(self): box_size_b = draw.textsize(word) # Check (w,h) of box a is (h,w) of box b - self.assertEqual(box_size_a[0], box_size_b[1]) - self.assertEqual(box_size_a[1], box_size_b[0]) + assert box_size_a[0] == box_size_b[1] + assert box_size_a[1] == box_size_b[0] def test_unrotated_transposed_font(self): img_grey = Image.new("L", (100, 100)) @@ -285,8 +316,7 @@ def test_unrotated_transposed_font(self): font = self.get_font() orientation = None - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) # Original font draw.font = font @@ -297,35 +327,33 @@ def test_unrotated_transposed_font(self): box_size_b = draw.textsize(word) # Check boxes a and b are same size - self.assertEqual(box_size_a, box_size_b) + assert box_size_a == box_size_b def test_rotated_transposed_font_get_mask(self): # Arrange text = "mask this" font = self.get_font() orientation = Image.ROTATE_90 - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) # Act mask = transposed_font.getmask(text) # Assert - self.assertEqual(mask.size, (13, 108)) + assert mask.size == (13, 108) def test_unrotated_transposed_font_get_mask(self): # Arrange text = "mask this" font = self.get_font() orientation = None - transposed_font = ImageFont.TransposedFont( - font, orientation=orientation) + transposed_font = ImageFont.TransposedFont(font, orientation=orientation) # Act mask = transposed_font.getmask(text) # Assert - self.assertEqual(mask.size, (108, 13)) + assert mask.size == (108, 13) def test_free_type_font_get_name(self): # Arrange @@ -335,7 +363,7 @@ def test_free_type_font_get_name(self): name = font.getname() # Assert - self.assertEqual(('FreeMono', 'Regular'), name) + assert ("FreeMono", "Regular") == name def test_free_type_font_get_metrics(self): # Arrange @@ -345,9 +373,9 @@ def test_free_type_font_get_metrics(self): ascent, descent = font.getmetrics() # Assert - self.assertIsInstance(ascent, int) - self.assertIsInstance(descent, int) - self.assertEqual((ascent, descent), (16, 4)) # too exact check? + assert isinstance(ascent, int) + assert isinstance(descent, int) + assert (ascent, descent) == (16, 4) # too exact check? def test_free_type_font_get_offset(self): # Arrange @@ -358,7 +386,7 @@ def test_free_type_font_get_offset(self): offset = font.getoffset(text) # Assert - self.assertEqual(offset, (0, 3)) + assert offset == (0, 3) def test_free_type_font_get_mask(self): # Arrange @@ -369,151 +397,628 @@ def test_free_type_font_get_mask(self): mask = font.getmask(text) # Assert - self.assertEqual(mask.size, (108, 13)) + assert mask.size == (108, 13) def test_load_path_not_found(self): # Arrange filename = "somefilenamethatdoesntexist.ttf" # Act/Assert - self.assertRaises(IOError, ImageFont.load_path, filename) + with pytest.raises(OSError): + ImageFont.load_path(filename) + with pytest.raises(OSError): + ImageFont.truetype(filename) + + def test_load_non_font_bytes(self): + with open("Tests/images/hopper.jpg", "rb") as f: + with pytest.raises(OSError): + ImageFont.truetype(f) def test_default_font(self): # Arrange txt = 'This is a "better than nothing" default font.' - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) draw = ImageDraw.Draw(im) - target = 'Tests/images/default_font.png' - target_img = Image.open(target) - # Act default_font = ImageFont.load_default() draw.text((10, 10), txt, font=default_font) # Assert - self.assert_image_equal(im, target_img) + assert_image_equal_tofile(im, "Tests/images/default_font.png") def test_getsize_empty(self): # issue #2614 font = self.get_font() # should not crash. - self.assertEqual((0, 0), font.getsize('')) + assert (0, 0) == font.getsize("") def test_render_empty(self): # issue 2666 font = self.get_font() - im = Image.new(mode='RGB', size=(300, 100)) + im = Image.new(mode="RGB", size=(300, 100)) target = im.copy() draw = ImageDraw.Draw(im) - #should not crash here. - draw.text((10, 10), '', font=font) - self.assert_image_equal(im, target) - + # should not crash here. + draw.text((10, 10), "", font=font) + assert_image_equal(im, target) + def test_unicode_pilfont(self): # should not segfault, should return UnicodeDecodeError # issue #2826 font = ImageFont.load_default() - with self.assertRaises(UnicodeEncodeError): - font.getsize(u"’") + with pytest.raises(UnicodeEncodeError): + font.getsize("’") + + def test_unicode_extended(self): + # issue #3777 + text = "A\u278A\U0001F12B" + target = "Tests/images/unicode_extended.png" + + ttf = ImageFont.truetype( + "Tests/fonts/NotoSansSymbols-Regular.ttf", + FONT_SIZE, + layout_engine=self.LAYOUT_ENGINE, + ) + img = Image.new("RGB", (100, 60)) + d = ImageDraw.Draw(img) + d.text((10, 10), text, font=ttf) + # fails with 14.7 + assert_image_similar_tofile(img, target, 6.2) - def _test_fake_loading_font(self, path_to_fake, fontname): + def _test_fake_loading_font(self, monkeypatch, path_to_fake, fontname): # Make a copy of FreeTypeFont so we can patch the original free_type_font = copy.deepcopy(ImageFont.FreeTypeFont) - with SimplePatcher(ImageFont, '_FreeTypeFont', free_type_font): + with monkeypatch.context() as m: + m.setattr(ImageFont, "_FreeTypeFont", free_type_font, raising=False) + def loadable_font(filepath, size, index, encoding, *args, **kwargs): if filepath == path_to_fake: - return ImageFont._FreeTypeFont(FONT_PATH, size, index, - encoding, *args, **kwargs) - return ImageFont._FreeTypeFont(filepath, size, index, - encoding, *args, **kwargs) - with SimplePatcher(ImageFont, 'FreeTypeFont', loadable_font): - font = ImageFont.truetype(fontname) - # Make sure it's loaded - name = font.getname() - self.assertEqual(('FreeMono', 'Regular'), name) - - @unittest.skipIf(sys.platform.startswith('win32'), - "requires Unix or MacOS") - def test_find_linux_font(self): + return ImageFont._FreeTypeFont( + FONT_PATH, size, index, encoding, *args, **kwargs + ) + return ImageFont._FreeTypeFont( + filepath, size, index, encoding, *args, **kwargs + ) + + m.setattr(ImageFont, "FreeTypeFont", loadable_font) + font = ImageFont.truetype(fontname) + # Make sure it's loaded + name = font.getname() + assert ("FreeMono", "Regular") == name + + @pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") + def test_find_linux_font(self, monkeypatch): # A lot of mocking here - this is more for hitting code and # catching syntax like errors - font_directory = '/usr/local/share/fonts' - with SimplePatcher(sys, 'platform', 'linux'): - patched_env = copy.deepcopy(os.environ) - patched_env['XDG_DATA_DIRS'] = '/usr/share/:/usr/local/share/' - with SimplePatcher(os, 'environ', patched_env): - def fake_walker(path): - if path == font_directory: - return [(path, [], [ - 'Arial.ttf', 'Single.otf', 'Duplicate.otf', - 'Duplicate.ttf'], )] - return [(path, [], ['some_random_font.ttf'], )] - with SimplePatcher(os, 'walk', fake_walker): - # Test that the font loads both with and without the - # extension - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial.ttf') - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial') - - # Test that non-ttf fonts can be found without the - # extension - self._test_fake_loading_font( - font_directory+'/Single.otf', 'Single') - - # Test that ttf fonts are preferred if the extension is - # not specified - self._test_fake_loading_font( - font_directory+'/Duplicate.ttf', 'Duplicate') - - @unittest.skipIf(sys.platform.startswith('win32'), - "requires Unix or MacOS") - def test_find_macos_font(self): + font_directory = "/usr/local/share/fonts" + monkeypatch.setattr(sys, "platform", "linux") + monkeypatch.setenv("XDG_DATA_DIRS", "/usr/share/:/usr/local/share/") + + def fake_walker(path): + if path == font_directory: + return [ + ( + path, + [], + ["Arial.ttf", "Single.otf", "Duplicate.otf", "Duplicate.ttf"], + ) + ] + return [(path, [], ["some_random_font.ttf"])] + + monkeypatch.setattr(os, "walk", fake_walker) + # Test that the font loads both with and without the + # extension + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial.ttf" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial" + ) + + # Test that non-ttf fonts can be found without the + # extension + self._test_fake_loading_font( + monkeypatch, font_directory + "/Single.otf", "Single" + ) + + # Test that ttf fonts are preferred if the extension is + # not specified + self._test_fake_loading_font( + monkeypatch, font_directory + "/Duplicate.ttf", "Duplicate" + ) + + @pytest.mark.skipif(is_win32(), reason="requires Unix or macOS") + def test_find_macos_font(self, monkeypatch): # Like the linux test, more cover hitting code rather than testing # correctness. - font_directory = '/System/Library/Fonts' - with SimplePatcher(sys, 'platform', 'darwin'): - def fake_walker(path): - if path == font_directory: - return [(path, [], - ['Arial.ttf', 'Single.otf', - 'Duplicate.otf', 'Duplicate.ttf'], )] - return [(path, [], ['some_random_font.ttf'], )] - with SimplePatcher(os, 'walk', fake_walker): - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial.ttf') - self._test_fake_loading_font( - font_directory+'/Arial.ttf', 'Arial') - self._test_fake_loading_font( - font_directory+'/Single.otf', 'Single') - self._test_fake_loading_font( - font_directory+'/Duplicate.ttf', 'Duplicate') + font_directory = "/System/Library/Fonts" + monkeypatch.setattr(sys, "platform", "darwin") + + def fake_walker(path): + if path == font_directory: + return [ + ( + path, + [], + ["Arial.ttf", "Single.otf", "Duplicate.otf", "Duplicate.ttf"], + ) + ] + return [(path, [], ["some_random_font.ttf"])] + + monkeypatch.setattr(os, "walk", fake_walker) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial.ttf" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Arial.ttf", "Arial" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Single.otf", "Single" + ) + self._test_fake_loading_font( + monkeypatch, font_directory + "/Duplicate.ttf", "Duplicate" + ) def test_imagefont_getters(self): # Arrange t = self.get_font() # Act / Assert - self.assertEqual(t.getmetrics(), (16, 4)) - self.assertEqual(t.font.ascent, 16) - self.assertEqual(t.font.descent, 4) - self.assertEqual(t.font.height, 20) - self.assertEqual(t.font.x_ppem, 20) - self.assertEqual(t.font.y_ppem, 20) - self.assertEqual(t.font.glyphs, 4177) - self.assertEqual(t.getsize('A'), (12, 16)) - self.assertEqual(t.getsize('AB'), (24, 16)) - self.assertEqual(t.getsize('M'), self.metrics['getters']) - self.assertEqual(t.getsize('y'), (12, 20)) - self.assertEqual(t.getsize('a'), (12, 16)) - - -@unittest.skipUnless(HAS_RAQM, "Raqm not Available") + assert t.getmetrics() == (16, 4) + assert t.font.ascent == 16 + assert t.font.descent == 4 + assert t.font.height == 20 + assert t.font.x_ppem == 20 + assert t.font.y_ppem == 20 + assert t.font.glyphs == 4177 + assert t.getsize("A") == (12, 16) + assert t.getsize("AB") == (24, 16) + assert t.getsize("M") == (12, 16) + assert t.getsize("y") == (12, 20) + assert t.getsize("a") == (12, 16) + assert t.getsize_multiline("A") == (12, 16) + assert t.getsize_multiline("AB") == (24, 16) + assert t.getsize_multiline("a") == (12, 16) + assert t.getsize_multiline("ABC\n") == (36, 36) + assert t.getsize_multiline("ABC\nA") == (36, 36) + assert t.getsize_multiline("ABC\nAaaa") == (48, 36) + + def test_getsize_stroke(self): + # Arrange + t = self.get_font() + + # Act / Assert + for stroke_width in [0, 2]: + assert t.getsize("A", stroke_width=stroke_width) == ( + 12 + stroke_width * 2, + 16 + stroke_width * 2, + ) + assert t.getsize_multiline("ABC\nAaaa", stroke_width=stroke_width) == ( + 48 + stroke_width * 2, + 36 + stroke_width * 4, + ) + + def test_complex_font_settings(self): + # Arrange + t = self.get_font() + # Act / Assert + if t.layout_engine == ImageFont.LAYOUT_BASIC: + with pytest.raises(KeyError): + t.getmask("абвг", direction="rtl") + with pytest.raises(KeyError): + t.getmask("абвг", features=["-kern"]) + with pytest.raises(KeyError): + t.getmask("абвг", language="sr") + + def test_variation_get(self): + font = self.get_font() + + freetype = parse_version(features.version_module("freetype2")) + if freetype < parse_version("2.9.1"): + with pytest.raises(NotImplementedError): + font.get_variation_names() + with pytest.raises(NotImplementedError): + font.get_variation_axes() + return + + with pytest.raises(OSError): + font.get_variation_names() + with pytest.raises(OSError): + font.get_variation_axes() + + font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf") + assert font.get_variation_names(), [ + b"ExtraLight", + b"Light", + b"Regular", + b"Semibold", + b"Bold", + b"Black", + b"Black Medium Contrast", + b"Black High Contrast", + b"Default", + ] + assert font.get_variation_axes() == [ + {"name": b"Weight", "minimum": 200, "maximum": 900, "default": 389}, + {"name": b"Contrast", "minimum": 0, "maximum": 100, "default": 0}, + ] + + font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf") + assert font.get_variation_names() == [ + b"20", + b"40", + b"60", + b"80", + b"100", + b"120", + b"140", + b"160", + b"180", + b"200", + b"220", + b"240", + b"260", + b"280", + b"300", + b"Regular", + ] + assert font.get_variation_axes() == [ + {"name": b"Size", "minimum": 0, "maximum": 300, "default": 0} + ] + + def _check_text(self, font, path, epsilon): + im = Image.new("RGB", (100, 75), "white") + d = ImageDraw.Draw(im) + d.text((10, 10), "Text", font=font, fill="black") + + try: + assert_image_similar_tofile(im, path, epsilon) + except AssertionError: + if "_adobe" in path: + path = path.replace("_adobe", "_adobe_older_harfbuzz") + assert_image_similar_tofile(im, path, epsilon) + else: + raise + + def test_variation_set_by_name(self): + font = self.get_font() + + freetype = parse_version(features.version_module("freetype2")) + if freetype < parse_version("2.9.1"): + with pytest.raises(NotImplementedError): + font.set_variation_by_name("Bold") + return + + with pytest.raises(OSError): + font.set_variation_by_name("Bold") + + font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf", 36) + self._check_text(font, "Tests/images/variation_adobe.png", 11) + for name in ["Bold", b"Bold"]: + font.set_variation_by_name(name) + self._check_text(font, "Tests/images/variation_adobe_name.png", 11) + + font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf", 36) + self._check_text(font, "Tests/images/variation_tiny.png", 40) + for name in ["200", b"200"]: + font.set_variation_by_name(name) + self._check_text(font, "Tests/images/variation_tiny_name.png", 40) + + def test_variation_set_by_axes(self): + font = self.get_font() + + freetype = parse_version(features.version_module("freetype2")) + if freetype < parse_version("2.9.1"): + with pytest.raises(NotImplementedError): + font.set_variation_by_axes([100]) + return + + with pytest.raises(OSError): + font.set_variation_by_axes([500, 50]) + + font = ImageFont.truetype("Tests/fonts/AdobeVFPrototype.ttf", 36) + font.set_variation_by_axes([500, 50]) + self._check_text(font, "Tests/images/variation_adobe_axes.png", 11.05) + + font = ImageFont.truetype("Tests/fonts/TINY5x3GX.ttf", 36) + font.set_variation_by_axes([100]) + self._check_text(font, "Tests/images/variation_tiny_axes.png", 32.5) + + def test_textbbox_non_freetypefont(self): + im = Image.new("RGB", (200, 200)) + d = ImageDraw.Draw(im) + default_font = ImageFont.load_default() + with pytest.raises(ValueError): + d.textbbox((0, 0), "test", font=default_font) + + @pytest.mark.parametrize( + "anchor, left, top", + ( + # test horizontal anchors + ("ls", 0, -36), + ("ms", -64, -36), + ("rs", -128, -36), + # test vertical anchors + ("ma", -64, 16), + ("mt", -64, 0), + ("mm", -64, -17), + ("mb", -64, -44), + ("md", -64, -51), + ), + ids=("ls", "ms", "rs", "ma", "mt", "mm", "mb", "md"), + ) + def test_anchor(self, anchor, left, top): + name, text = "quick", "Quick" + path = f"Tests/images/test_anchor_{name}_{anchor}.png" + + if self.LAYOUT_ENGINE == ImageFont.LAYOUT_RAQM: + width, height = (129, 44) + else: + width, height = (128, 44) + + bbox_expected = (left, top, left + width, top + height) + + f = ImageFont.truetype( + "Tests/fonts/NotoSans-Regular.ttf", 48, layout_engine=self.LAYOUT_ENGINE + ) + + im = Image.new("RGB", (200, 200), "white") + d = ImageDraw.Draw(im) + d.line(((0, 100), (200, 100)), "gray") + d.line(((100, 0), (100, 200)), "gray") + d.text((100, 100), text, fill="black", anchor=anchor, font=f) + + assert d.textbbox((0, 0), text, f, anchor=anchor) == bbox_expected + + assert_image_similar_tofile(im, path, 7) + + @pytest.mark.parametrize( + "anchor, align", + ( + # test horizontal anchors + ("lm", "left"), + ("lm", "center"), + ("lm", "right"), + ("mm", "left"), + ("mm", "center"), + ("mm", "right"), + ("rm", "left"), + ("rm", "center"), + ("rm", "right"), + # test vertical anchors + ("ma", "center"), + # ("mm", "center"), # duplicate + ("md", "center"), + ), + ) + def test_anchor_multiline(self, anchor, align): + target = f"Tests/images/test_anchor_multiline_{anchor}_{align}.png" + text = "a\nlong\ntext sample" + + f = ImageFont.truetype( + "Tests/fonts/NotoSans-Regular.ttf", 48, layout_engine=self.LAYOUT_ENGINE + ) + + # test render + im = Image.new("RGB", (600, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (600, 200)), "gray") + d.line(((300, 0), (300, 400)), "gray") + d.multiline_text( + (300, 200), text, fill="black", anchor=anchor, font=f, align=align + ) + + assert_image_similar_tofile(im, target, 4) + + def test_anchor_invalid(self): + font = self.get_font() + im = Image.new("RGB", (100, 100), "white") + d = ImageDraw.Draw(im) + d.font = font + + for anchor in ["", "l", "a", "lax", "sa", "xa", "lx"]: + pytest.raises(ValueError, lambda: font.getmask2("hello", anchor=anchor)) + pytest.raises(ValueError, lambda: font.getbbox("hello", anchor=anchor)) + pytest.raises(ValueError, lambda: d.text((0, 0), "hello", anchor=anchor)) + pytest.raises( + ValueError, lambda: d.textbbox((0, 0), "hello", anchor=anchor) + ) + pytest.raises( + ValueError, lambda: d.multiline_text((0, 0), "foo\nbar", anchor=anchor) + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox((0, 0), "foo\nbar", anchor=anchor), + ) + for anchor in ["lt", "lb"]: + pytest.raises( + ValueError, lambda: d.multiline_text((0, 0), "foo\nbar", anchor=anchor) + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox((0, 0), "foo\nbar", anchor=anchor), + ) + + @skip_unless_feature("freetype2") + @pytest.mark.parametrize("bpp", (1, 2, 4, 8)) + def test_bitmap_font(self, bpp): + text = "Bitmap Font" + layout_name = ["basic", "raqm"][self.LAYOUT_ENGINE] + target = f"Tests/images/bitmap_font_{bpp}_{layout_name}.png" + font = ImageFont.truetype( + f"Tests/fonts/DejaVuSans/DejaVuSans-24-{bpp}-stripped.ttf", + 24, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (160, 35), "white") + draw = ImageDraw.Draw(im) + draw.text((2, 2), text, "black", font) + + assert_image_equal_tofile(im, target) + + def test_bitmap_font_stroke(self): + text = "Bitmap Font" + layout_name = ["basic", "raqm"][self.LAYOUT_ENGINE] + target = f"Tests/images/bitmap_font_stroke_{layout_name}.png" + font = ImageFont.truetype( + "Tests/fonts/DejaVuSans/DejaVuSans-24-8-stripped.ttf", + 24, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (160, 35), "white") + draw = ImageDraw.Draw(im) + draw.text((2, 2), text, "black", font, stroke_width=2, stroke_fill="red") + + assert_image_similar_tofile(im, target, 0.03) + + def test_standard_embedded_color(self): + txt = "Hello World!" + ttf = ImageFont.truetype(FONT_PATH, 40, layout_engine=self.LAYOUT_ENGINE) + ttf.getsize(txt) + + im = Image.new("RGB", (300, 64), "white") + d = ImageDraw.Draw(im) + d.text((10, 10), txt, font=ttf, fill="#fa6", embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/standard_embedded.png", 6.2) + + def test_cbdt(self): + try: + font = ImageFont.truetype( + "Tests/fonts/NotoColorEmoji.ttf", + size=109, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (150, 150), "white") + d = ImageDraw.Draw(im) + + d.text((10, 10), "\U0001f469", font=font, embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/cbdt_notocoloremoji.png", 6.2) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or CBDT support") + + def test_cbdt_mask(self): + try: + font = ImageFont.truetype( + "Tests/fonts/NotoColorEmoji.ttf", + size=109, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (150, 150), "white") + d = ImageDraw.Draw(im) + + d.text((10, 10), "\U0001f469", "black", font=font) + + assert_image_similar_tofile( + im, "Tests/images/cbdt_notocoloremoji_mask.png", 6.2 + ) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or CBDT support") + + def test_sbix(self): + try: + font = ImageFont.truetype( + "Tests/fonts/chromacheck-sbix.woff", + size=300, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + + d.text((50, 50), "\uE901", font=font, embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/chromacheck-sbix.png", 1) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or SBIX support") + + def test_sbix_mask(self): + try: + font = ImageFont.truetype( + "Tests/fonts/chromacheck-sbix.woff", + size=300, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + + d.text((50, 50), "\uE901", (100, 0, 0), font=font) + + assert_image_similar_tofile(im, "Tests/images/chromacheck-sbix_mask.png", 1) + except OSError as e: # pragma: no cover + assert str(e) in ("unimplemented feature", "unknown file format") + pytest.skip("freetype compiled without libpng or SBIX support") + + @skip_unless_feature_version("freetype2", "2.10.0") + def test_colr(self): + font = ImageFont.truetype( + "Tests/fonts/BungeeColor-Regular_colr_Windows.ttf", + size=64, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (300, 75), "white") + d = ImageDraw.Draw(im) + + d.text((15, 5), "Bungee", font=font, embedded_color=True) + + assert_image_similar_tofile(im, "Tests/images/colr_bungee.png", 21) + + @skip_unless_feature_version("freetype2", "2.10.0") + def test_colr_mask(self): + font = ImageFont.truetype( + "Tests/fonts/BungeeColor-Regular_colr_Windows.ttf", + size=64, + layout_engine=self.LAYOUT_ENGINE, + ) + + im = Image.new("RGB", (300, 75), "white") + d = ImageDraw.Draw(im) + + d.text((15, 5), "Bungee", "black", font=font) + + assert_image_similar_tofile(im, "Tests/images/colr_bungee_mask.png", 22) + + +@skip_unless_feature("raqm") class TestImageFont_RaqmLayout(TestImageFont): LAYOUT_ENGINE = ImageFont.LAYOUT_RAQM -if __name__ == '__main__': - unittest.main() +def test_render_mono_size(): + # issue 4177 + + im = Image.new("P", (100, 30), "white") + draw = ImageDraw.Draw(im) + ttf = ImageFont.truetype( + "Tests/fonts/DejaVuSans/DejaVuSans.ttf", + 18, + layout_engine=ImageFont.LAYOUT_BASIC, + ) + + draw.text((10, 10), "r" * 10, "black", ttf) + assert_image_equal_tofile(im, "Tests/images/text_mono.gif") + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/fonts/oom-e8e927ba6c0d38274a37c1567560eb33baf74627.ttf", + ], +) +def test_oom(test_file): + with open(test_file, "rb") as f: + font = ImageFont.truetype(BytesIO(f.read())) + with pytest.raises(Image.DecompressionBombError): + font.getmask("Test Text") diff --git a/Tests/test_imagefont_bitmap.py b/Tests/test_imagefont_bitmap.py deleted file mode 100644 index 7ee5f8a2b5e..00000000000 --- a/Tests/test_imagefont_bitmap.py +++ /dev/null @@ -1,38 +0,0 @@ -from helper import unittest, PillowTestCase -from PIL import Image, ImageFont, ImageDraw - - -image_font_installed = True -try: - ImageFont.core.getfont -except ImportError: - image_font_installed = False - - -@unittest.skipIf(not image_font_installed, "image font not installed") -class TestImageFontBitmap(PillowTestCase): - def test_similar(self): - text = 'EmbeddedBitmap' - font_outline = ImageFont.truetype( - font='Tests/fonts/DejaVuSans.ttf', size=24) - font_bitmap = ImageFont.truetype( - font='Tests/fonts/DejaVuSans-bitmap.ttf', size=24) - size_outline = font_outline.getsize(text) - size_bitmap = font_bitmap.getsize(text) - size_final = max(size_outline[0], size_bitmap[0]), max(size_outline[1], size_bitmap[1]) - im_bitmap = Image.new('RGB', size_final, (255, 255, 255)) - im_outline = im_bitmap.copy() - draw_bitmap = ImageDraw.Draw(im_bitmap) - draw_outline = ImageDraw.Draw(im_outline) - - # Metrics are different on the bitmap and ttf fonts, - # more so on some platforms and versions of freetype than others. - # Mac has a 1px difference, linux doesn't. - draw_bitmap.text((0, size_final[1] - size_bitmap[1]), - text, fill=(0, 0, 0), font=font_bitmap) - draw_outline.text((0, size_final[1] - size_outline[1]), - text, fill=(0, 0, 0), font=font_outline) - self.assert_image_similar(im_bitmap, im_outline, 20) - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_imagefontctl.py b/Tests/test_imagefontctl.py index 79122f6c11e..ffb70cf1799 100644 --- a/Tests/test_imagefontctl.py +++ b/Tests/test_imagefontctl.py @@ -1,133 +1,396 @@ -# -*- coding: utf-8 -*- -from helper import unittest, PillowTestCase -from PIL import Image, ImageDraw, ImageFont, features +import pytest +from PIL import Image, ImageDraw, ImageFont + +from .helper import assert_image_similar_tofile, skip_unless_feature FONT_SIZE = 20 -FONT_PATH = "Tests/fonts/DejaVuSans.ttf" +FONT_PATH = "Tests/fonts/DejaVuSans/DejaVuSans.ttf" + +pytestmark = skip_unless_feature("raqm") + + +def test_english(): + # smoke test, this should not fail + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "TEST", font=ttf, fill=500, direction="ltr") + + +def test_complex_text(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "اهلا عمان", font=ttf, fill=500) + + target = "Tests/images/test_text.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_y_offset(): + ttf = ImageFont.truetype("Tests/fonts/NotoNastaliqUrdu-Regular.ttf", FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "العالم العربي", font=ttf, fill=500) + + target = "Tests/images/test_y_offset.png" + assert_image_similar_tofile(im, target, 1.7) + -@unittest.skipUnless(features.check('raqm'), "Raqm Library is not installed.") -class TestImagecomplextext(PillowTestCase): +def test_complex_unicode_text(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - def test_english(self): - #smoke test, this should not fail - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'TEST', font=ttf, fill=500, direction='ltr') - - - def test_complex_text(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "السلام عليكم", font=ttf, fill=500) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'اهلا عمان', font=ttf, fill=500) + target = "Tests/images/test_complex_unicode_text.png" + assert_image_similar_tofile(im, target, 0.5) - target = 'Tests/images/test_text.png' - target_img = Image.open(target) + ttf = ImageFont.truetype("Tests/fonts/KhmerOSBattambang-Regular.ttf", FONT_SIZE) - self.assert_image_similar(im, target_img, .5) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "លោកុប្បត្តិ", font=ttf, fill=500) - def test_y_offset(self): - ttf = ImageFont.truetype("Tests/fonts/NotoNastaliqUrdu-Regular.ttf", FONT_SIZE) + target = "Tests/images/test_complex_unicode_text2.png" + assert_image_similar_tofile(im, target, 2.33) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'العالم العربي', font=ttf, fill=500) - target = 'Tests/images/test_y_offset.png' - target_img = Image.open(target) +def test_text_direction_rtl(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - self.assert_image_similar(im, target_img, 1.7) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "English عربي", font=ttf, fill=500, direction="rtl") - def test_complex_unicode_text(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + target = "Tests/images/test_direction_rtl.png" + assert_image_similar_tofile(im, target, 0.5) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'السلام عليكم', font=ttf, fill=500) - target = 'Tests/images/test_complex_unicode_text.png' - target_img = Image.open(target) +def test_text_direction_ltr(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - self.assert_image_similar(im, target_img, .5) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "سلطنة عمان Oman", font=ttf, fill=500, direction="ltr") - def test_text_direction_rtl(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + target = "Tests/images/test_direction_ltr.png" + assert_image_similar_tofile(im, target, 0.5) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'English عربي', font=ttf, fill=500, direction='rtl') - target = 'Tests/images/test_direction_rtl.png' - target_img = Image.open(target) +def test_text_direction_rtl2(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - self.assert_image_similar(im, target_img, .5) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "Oman سلطنة عمان", font=ttf, fill=500, direction="rtl") - def test_text_direction_ltr(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + target = "Tests/images/test_direction_ltr.png" + assert_image_similar_tofile(im, target, 0.5) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'سلطنة عمان Oman', font=ttf, fill=500, direction='ltr') - target = 'Tests/images/test_direction_ltr.png' - target_img = Image.open(target) +def test_text_direction_ttb(): + ttf = ImageFont.truetype("Tests/fonts/NotoSansJP-Regular.otf", FONT_SIZE) - self.assert_image_similar(im, target_img, .5) + im = Image.new(mode="RGB", size=(100, 300)) + draw = ImageDraw.Draw(im) + try: + draw.text((0, 0), "English あい", font=ttf, fill=500, direction="ttb") + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") - def test_text_direction_rtl2(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + target = "Tests/images/test_direction_ttb.png" + assert_image_similar_tofile(im, target, 2.8) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'Oman سلطنة عمان', font=ttf, fill=500, direction='rtl') - target = 'Tests/images/test_direction_ltr.png' - target_img = Image.open(target) +def test_text_direction_ttb_stroke(): + ttf = ImageFont.truetype("Tests/fonts/NotoSansJP-Regular.otf", 50) - self.assert_image_similar(im, target_img, .5) + im = Image.new(mode="RGB", size=(100, 300)) + draw = ImageDraw.Draw(im) + try: + draw.text( + (27, 27), + "あい", + font=ttf, + fill=500, + direction="ttb", + stroke_width=2, + stroke_fill="#0f0", + ) + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") - def test_ligature_features(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + target = "Tests/images/test_direction_ttb_stroke.png" + assert_image_similar_tofile(im, target, 19.4) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'filling', font=ttf, fill=500, features=['-liga']) - target = 'Tests/images/test_ligature_features.png' - target_img = Image.open(target) - self.assert_image_similar(im, target_img, .5) +def test_ligature_features(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - liga_size = ttf.getsize('fi', features=['-liga']) - self.assertEqual(liga_size,(13,19)) - - def test_kerning_features(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "filling", font=ttf, fill=500, features=["-liga"]) + target = "Tests/images/test_ligature_features.png" + assert_image_similar_tofile(im, target, 0.5) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'TeToAV', font=ttf, fill=500, features=['-kern']) + liga_size = ttf.getsize("fi", features=["-liga"]) + assert liga_size == (13, 19) - target = 'Tests/images/test_kerning_features.png' - target_img = Image.open(target) - self.assert_image_similar(im, target_img, .5) +def test_kerning_features(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) - def test_arabictext_features(self): - ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "TeToAV", font=ttf, fill=500, features=["-kern"]) - im = Image.new(mode='RGB', size=(300, 100)) - draw = ImageDraw.Draw(im) - draw.text((0, 0), 'اللغة العربية', font=ttf, fill=500, features=['-fina','-init','-medi']) + target = "Tests/images/test_kerning_features.png" + assert_image_similar_tofile(im, target, 0.5) - target = 'Tests/images/test_arabictext_features.png' - target_img = Image.open(target) - self.assert_image_similar(im, target_img, .5) +def test_arabictext_features(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) -if __name__ == '__main__': - unittest.main() + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text( + (0, 0), + "اللغة العربية", + font=ttf, + fill=500, + features=["-fina", "-init", "-medi"], + ) -# End of file + target = "Tests/images/test_arabictext_features.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_x_max_and_y_offset(): + ttf = ImageFont.truetype("Tests/fonts/ArefRuqaa-Regular.ttf", 40) + + im = Image.new(mode="RGB", size=(50, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "لح", font=ttf, fill=500) + + target = "Tests/images/test_x_max_and_y_offset.png" + assert_image_similar_tofile(im, target, 0.5) + + +def test_language(): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + im = Image.new(mode="RGB", size=(300, 100)) + draw = ImageDraw.Draw(im) + draw.text((0, 0), "абвг", font=ttf, fill=500, language="sr") + + target = "Tests/images/test_language.png" + assert_image_similar_tofile(im, target, 0.5) + + +@pytest.mark.parametrize("mode", ("L", "1")) +@pytest.mark.parametrize( + "text, direction, expected", + ( + ("سلطنة عمان Oman", None, 173.703125), + ("سلطنة عمان Oman", "ltr", 173.703125), + ("Oman سلطنة عمان", "rtl", 173.703125), + ("English عربي", "rtl", 123.796875), + ("test", "ttb", 80.0), + ), + ids=("None", "ltr", "rtl2", "rtl", "ttb"), +) +def test_getlength(mode, text, direction, expected): + ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new(mode, (1, 1), 0) + d = ImageDraw.Draw(im) + + try: + assert d.textlength(text, ttf, direction) == expected + except ValueError as ex: + if ( + direction == "ttb" + and str(ex) == "libraqm 0.7 or greater required for 'ttb' direction" + ): + pytest.skip("libraqm 0.7 or greater not available") + + +@pytest.mark.parametrize("mode", ("L", "1")) +@pytest.mark.parametrize("direction", ("ltr", "ttb")) +@pytest.mark.parametrize( + "text", + ("i" + ("\u030C" * 15) + "i", "i" + "\u032C" * 15 + "i", "\u035Cii", "i\u0305i"), + ids=("caron-above", "caron-below", "double-breve", "overline"), +) +def test_getlength_combine(mode, direction, text): + if text == "i\u0305i" and direction == "ttb": + pytest.skip("fails with this font") + + ttf = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + + try: + target = ttf.getlength("ii", mode, direction) + actual = ttf.getlength(text, mode, direction) + + assert actual == target + except ValueError as ex: + if ( + direction == "ttb" + and str(ex) == "libraqm 0.7 or greater required for 'ttb' direction" + ): + pytest.skip("libraqm 0.7 or greater not available") + + +@pytest.mark.parametrize("anchor", ("lt", "mm", "rb", "sm")) +def test_anchor_ttb(anchor): + text = "f" + path = f"Tests/images/test_anchor_ttb_{text}_{anchor}.png" + f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 120) + + im = Image.new("RGB", (200, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (200, 200)), "gray") + d.line(((100, 0), (100, 400)), "gray") + try: + d.text((100, 200), text, fill="black", anchor=anchor, direction="ttb", font=f) + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") + + assert_image_similar_tofile(im, path, 1) # fails at 5 + + +combine_tests = ( + # extends above (e.g. issue #4553) + ("caron", "a\u030C\u030C\u030C\u030C\u030Cb", None, None, 0.08), + ("caron_la", "a\u030C\u030C\u030C\u030C\u030Cb", "la", None, 0.08), + ("caron_lt", "a\u030C\u030C\u030C\u030C\u030Cb", "lt", None, 0.08), + ("caron_ls", "a\u030C\u030C\u030C\u030C\u030Cb", "ls", None, 0.08), + ("caron_ttb", "ca" + ("\u030C" * 15) + "b", None, "ttb", 0.3), + ("caron_ttb_lt", "ca" + ("\u030C" * 15) + "b", "lt", "ttb", 0.3), + # extends below + ("caron_below", "a\u032C\u032C\u032C\u032C\u032Cb", None, None, 0.02), + ("caron_below_ld", "a\u032C\u032C\u032C\u032C\u032Cb", "ld", None, 0.02), + ("caron_below_lb", "a\u032C\u032C\u032C\u032C\u032Cb", "lb", None, 0.02), + ("caron_below_ls", "a\u032C\u032C\u032C\u032C\u032Cb", "ls", None, 0.02), + ("caron_below_ttb", "a" + ("\u032C" * 15) + "b", None, "ttb", 0.03), + ("caron_below_ttb_lb", "a" + ("\u032C" * 15) + "b", "lb", "ttb", 0.03), + # extends to the right (e.g. issue #3745) + ("double_breve_below", "a\u035Ci", None, None, 0.02), + ("double_breve_below_ma", "a\u035Ci", "ma", None, 0.02), + ("double_breve_below_ra", "a\u035Ci", "ra", None, 0.02), + ("double_breve_below_ttb", "a\u035Cb", None, "ttb", 0.02), + ("double_breve_below_ttb_rt", "a\u035Cb", "rt", "ttb", 0.02), + ("double_breve_below_ttb_mt", "a\u035Cb", "mt", "ttb", 0.02), + ("double_breve_below_ttb_st", "a\u035Cb", "st", "ttb", 0.02), + # extends to the left (fail=0.064) + ("overline", "i\u0305", None, None, 0.02), + ("overline_la", "i\u0305", "la", None, 0.02), + ("overline_ra", "i\u0305", "ra", None, 0.02), + ("overline_ttb", "i\u0305", None, "ttb", 0.02), + ("overline_ttb_rt", "i\u0305", "rt", "ttb", 0.02), + ("overline_ttb_mt", "i\u0305", "mt", "ttb", 0.02), + ("overline_ttb_st", "i\u0305", "st", "ttb", 0.02), +) + + +# this tests various combining characters for anchor alignment and clipping +@pytest.mark.parametrize( + "name, text, anchor, dir, epsilon", combine_tests, ids=[r[0] for r in combine_tests] +) +def test_combine(name, text, dir, anchor, epsilon): + path = f"Tests/images/test_combine_{name}.png" + f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (400, 200)), "gray") + d.line(((200, 0), (200, 400)), "gray") + try: + d.text((200, 200), text, fill="black", anchor=anchor, direction=dir, font=f) + except ValueError as ex: + if str(ex) == "libraqm 0.7 or greater required for 'ttb' direction": + pytest.skip("libraqm 0.7 or greater not available") + + assert_image_similar_tofile(im, path, epsilon) + + +@pytest.mark.parametrize( + "anchor, align", + ( + ("lm", "left"), # pass with getsize + ("lm", "center"), # fail at 2.12 + ("lm", "right"), # fail at 2.57 + ("mm", "left"), # fail at 2.12 + ("mm", "center"), # pass with getsize + ("mm", "right"), # fail at 2.12 + ("rm", "left"), # fail at 2.57 + ("rm", "center"), # fail at 2.12 + ("rm", "right"), # pass with getsize + ), +) +def test_combine_multiline(anchor, align): + # test that multiline text uses getlength, not getsize or getbbox + + path = f"Tests/images/test_combine_multiline_{anchor}_{align}.png" + f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + text = "i\u0305\u035C\ntext" # i with overline and double breve, and a word + + im = Image.new("RGB", (400, 400), "white") + d = ImageDraw.Draw(im) + d.line(((0, 200), (400, 200)), "gray") + d.line(((200, 0), (200, 400)), "gray") + bbox = d.multiline_textbbox((200, 200), text, anchor=anchor, font=f, align=align) + d.rectangle(bbox, outline="red") + d.multiline_text((200, 200), text, fill="black", anchor=anchor, font=f, align=align) + + assert_image_similar_tofile(im, path, 0.015) + + +def test_anchor_invalid_ttb(): + font = ImageFont.truetype(FONT_PATH, FONT_SIZE) + im = Image.new("RGB", (100, 100), "white") + d = ImageDraw.Draw(im) + d.font = font + + for anchor in ["", "l", "a", "lax", "xa", "la", "ls", "ld", "lx"]: + pytest.raises( + ValueError, lambda: font.getmask2("hello", anchor=anchor, direction="ttb") + ) + pytest.raises( + ValueError, lambda: font.getbbox("hello", anchor=anchor, direction="ttb") + ) + pytest.raises( + ValueError, lambda: d.text((0, 0), "hello", anchor=anchor, direction="ttb") + ) + pytest.raises( + ValueError, + lambda: d.textbbox((0, 0), "hello", anchor=anchor, direction="ttb"), + ) + pytest.raises( + ValueError, + lambda: d.multiline_text( + (0, 0), "foo\nbar", anchor=anchor, direction="ttb" + ), + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox( + (0, 0), "foo\nbar", anchor=anchor, direction="ttb" + ), + ) + # ttb multiline text does not support anchors at all + pytest.raises( + ValueError, + lambda: d.multiline_text((0, 0), "foo\nbar", anchor="mm", direction="ttb"), + ) + pytest.raises( + ValueError, + lambda: d.multiline_textbbox((0, 0), "foo\nbar", anchor="mm", direction="ttb"), + ) diff --git a/Tests/test_imagegrab.py b/Tests/test_imagegrab.py index b2edffa5788..fa2291582d4 100644 --- a/Tests/test_imagegrab.py +++ b/Tests/test_imagegrab.py @@ -1,49 +1,93 @@ -from helper import unittest, PillowTestCase, on_appveyor - +import os +import subprocess import sys -try: - from PIL import ImageGrab +import pytest - class TestImageGrab(PillowTestCase): +from PIL import Image, ImageGrab - @unittest.skipIf(on_appveyor(), "Test fails on appveyor") - def test_grab(self): - im = ImageGrab.grab() - self.assert_image(im, im.mode, im.size) +from .helper import assert_image_equal_tofile, skip_unless_feature - @unittest.skipIf(on_appveyor(), "Test fails on appveyor") - def test_grab2(self): - im = ImageGrab.grab() - self.assert_image(im, im.mode, im.size) -except ImportError: - class TestImageGrab(PillowTestCase): - def test_skip(self): - self.skipTest("ImportError") +class TestImageGrab: + @pytest.mark.skipif( + sys.platform not in ("win32", "darwin"), reason="requires Windows or macOS" + ) + def test_grab(self): + ImageGrab.grab() + ImageGrab.grab(include_layered_windows=True) + ImageGrab.grab(all_screens=True) + im = ImageGrab.grab(bbox=(10, 20, 50, 80)) + assert im.size == (40, 60) -class TestImageGrabImport(PillowTestCase): + @skip_unless_feature("xcb") + def test_grab_x11(self): + try: + if sys.platform not in ("win32", "darwin"): + ImageGrab.grab() - def test_import(self): - # Arrange - exception = None + ImageGrab.grab(xdisplay="") + except OSError as e: + pytest.skip(str(e)) - # Act - try: - from PIL import ImageGrab - ImageGrab.__name__ # dummy to prevent Pyflakes warning - except Exception as e: - exception = e - - # Assert - if sys.platform in ["win32", "darwin"]: - self.assertIsNone(exception) + @pytest.mark.skipif(Image.core.HAVE_XCB, reason="tests missing XCB") + def test_grab_no_xcb(self): + if sys.platform not in ("win32", "darwin"): + with pytest.raises(OSError) as e: + ImageGrab.grab() + assert str(e.value).startswith("Pillow was built without XCB support") + + with pytest.raises(OSError) as e: + ImageGrab.grab(xdisplay="") + assert str(e.value).startswith("Pillow was built without XCB support") + + @skip_unless_feature("xcb") + def test_grab_invalid_xdisplay(self): + with pytest.raises(OSError) as e: + ImageGrab.grab(xdisplay="error.test:0.0") + assert str(e.value).startswith("X connection failed") + + def test_grabclipboard(self): + if sys.platform == "darwin": + subprocess.call(["screencapture", "-cx"]) + elif sys.platform == "win32": + p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE) + p.stdin.write( + b"""[Reflection.Assembly]::LoadWithPartialName("System.Drawing") +[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") +$bmp = New-Object Drawing.Bitmap 200, 200 +[Windows.Forms.Clipboard]::SetImage($bmp)""" + ) + p.communicate() else: - self.assertIsInstance(exception, ImportError) - self.assertEqual(str(exception), - "ImageGrab is macOS and Windows only") + with pytest.raises(NotImplementedError) as e: + ImageGrab.grabclipboard() + assert str(e.value) == "ImageGrab.grabclipboard() is macOS and Windows only" + return + + ImageGrab.grabclipboard() + + @pytest.mark.skipif(sys.platform != "win32", reason="Windows only") + def test_grabclipboard_file(self): + p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE) + p.stdin.write(rb'Set-Clipboard -Path "Tests\images\hopper.gif"') + p.communicate() + + im = ImageGrab.grabclipboard() + assert len(im) == 1 + assert os.path.samefile(im[0], "Tests/images/hopper.gif") + @pytest.mark.skipif(sys.platform != "win32", reason="Windows only") + def test_grabclipboard_png(self): + p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE) + p.stdin.write( + rb"""$bytes = [System.IO.File]::ReadAllBytes("Tests\images\hopper.png") +$ms = new-object System.IO.MemoryStream(, $bytes) +[Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") +[Windows.Forms.Clipboard]::SetData("PNG", $ms)""" + ) + p.communicate() -if __name__ == '__main__': - unittest.main() + im = ImageGrab.grabclipboard() + assert_image_equal_tofile(im, "Tests/images/hopper.png") diff --git a/Tests/test_imagemath.py b/Tests/test_imagemath.py index 4f99eda9337..39d91eadea6 100644 --- a/Tests/test_imagemath.py +++ b/Tests/test_imagemath.py @@ -1,23 +1,22 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase +import pytest -from PIL import Image -from PIL import ImageMath +from PIL import Image, ImageMath def pixel(im): if hasattr(im, "im"): - return "%s %r" % (im.mode, im.getpixel((0, 0))) + return f"{im.mode} {repr(im.getpixel((0, 0)))}" else: if isinstance(im, int): return int(im) # hack to deal with booleans print(im) + A = Image.new("L", (1, 1), 1) B = Image.new("L", (1, 1), 2) Z = Image.new("L", (1, 1), 0) # Z for zero F = Image.new("F", (1, 1), 3) -I = Image.new("I", (1, 1), 4) +I = Image.new("I", (1, 1), 4) # noqa: E741 A2 = A.resize((2, 2)) B2 = B.resize((2, 2)) @@ -25,163 +24,181 @@ def pixel(im): images = {"A": A, "B": B, "F": F, "I": I} -class TestImageMath(PillowTestCase): - - def test_sanity(self): - self.assertEqual(ImageMath.eval("1"), 1) - self.assertEqual(ImageMath.eval("1+A", A=2), 3) - self.assertEqual(pixel(ImageMath.eval("A+B", A=A, B=B)), "I 3") - self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3") - self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0") - self.assertEqual(pixel( - ImageMath.eval("int(float(A)+B)", images)), "I 3") - - def test_ops(self): - - self.assertEqual(pixel(ImageMath.eval("-A", images)), "I -1") - self.assertEqual(pixel(ImageMath.eval("+B", images)), "L 2") - - self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3") - self.assertEqual(pixel(ImageMath.eval("A-B", images)), "I -1") - self.assertEqual(pixel(ImageMath.eval("A*B", images)), "I 2") - self.assertEqual(pixel(ImageMath.eval("A/B", images)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B**2", images)), "I 4") - self.assertEqual(pixel( - ImageMath.eval("B**33", images)), "I 2147483647") - - self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0") - self.assertEqual(pixel(ImageMath.eval("float(A)-B", images)), "F -1.0") - self.assertEqual(pixel(ImageMath.eval("float(A)*B", images)), "F 2.0") - self.assertEqual(pixel(ImageMath.eval("float(A)/B", images)), "F 0.5") - self.assertEqual(pixel(ImageMath.eval("float(B)**2", images)), "F 4.0") - self.assertEqual(pixel( - ImageMath.eval("float(B)**33", images)), "F 8589934592.0") - - def test_logical(self): - self.assertEqual(pixel(ImageMath.eval("not A", images)), 0) - self.assertEqual(pixel(ImageMath.eval("A and B", images)), "L 2") - self.assertEqual(pixel(ImageMath.eval("A or B", images)), "L 1") - - def test_convert(self): - self.assertEqual(pixel( - ImageMath.eval("convert(A+B, 'L')", images)), "L 3") - self.assertEqual(pixel( - ImageMath.eval("convert(A+B, '1')", images)), "1 0") - self.assertEqual(pixel( - ImageMath.eval("convert(A+B, 'RGB')", images)), "RGB (3, 3, 3)") - - def test_compare(self): - self.assertEqual(pixel(ImageMath.eval("min(A, B)", images)), "I 1") - self.assertEqual(pixel(ImageMath.eval("max(A, B)", images)), "I 2") - self.assertEqual(pixel(ImageMath.eval("A == 1", images)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A == 2", images)), "I 0") - - def test_one_image_larger(self): - self.assertEqual(pixel(ImageMath.eval("A+B", A=A2, B=B)), "I 3") - self.assertEqual(pixel(ImageMath.eval("A+B", A=A, B=B2)), "I 3") - - def test_abs(self): - self.assertEqual(pixel(ImageMath.eval("abs(A)", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("abs(B)", B=B)), "I 2") - - def test_binary_mod(self): - self.assertEqual(pixel(ImageMath.eval("A%A", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B%B", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A%B", A=A, B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B%A", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z%A", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z%B", B=B, Z=Z)), "I 0") - - def test_bitwise_invert(self): - self.assertEqual(pixel(ImageMath.eval("~Z", Z=Z)), "I -1") - self.assertEqual(pixel(ImageMath.eval("~A", A=A)), "I -2") - self.assertEqual(pixel(ImageMath.eval("~B", B=B)), "I -3") - - def test_bitwise_and(self): - self.assertEqual(pixel(ImageMath.eval("Z&Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z&A", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A&Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A&A", A=A, Z=Z)), "I 1") - - def test_bitwise_or(self): - self.assertEqual(pixel(ImageMath.eval("Z|Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z|A", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A|Z", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A|A", A=A, Z=Z)), "I 1") - - def test_bitwise_xor(self): - self.assertEqual(pixel(ImageMath.eval("Z^Z", A=A, Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z^A", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A^Z", A=A, Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A^A", A=A, Z=Z)), "I 0") - - def test_bitwise_leftshift(self): - self.assertEqual(pixel(ImageMath.eval("Z<<0", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z<<1", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A<<0", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A<<1", A=A)), "I 2") - - def test_bitwise_rightshift(self): - self.assertEqual(pixel(ImageMath.eval("Z>>0", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("Z>>1", Z=Z)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A>>0", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A>>1", A=A)), "I 0") - - def test_logical_eq(self): - self.assertEqual(pixel(ImageMath.eval("A==A", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B==B", B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A==B", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B==A", A=A, B=B)), "I 0") - - def test_logical_ne(self): - self.assertEqual(pixel(ImageMath.eval("A!=A", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B!=B", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A!=B", A=A, B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B!=A", A=A, B=B)), "I 1") - - def test_logical_lt(self): - self.assertEqual(pixel(ImageMath.eval("AA", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B>B", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("A>B", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B>A", A=A, B=B)), "I 1") - - def test_logical_ge(self): - self.assertEqual(pixel(ImageMath.eval("A>=A", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("B>=B", B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("A>=B", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("B>=A", A=A, B=B)), "I 1") - - def test_logical_equal(self): - self.assertEqual(pixel(ImageMath.eval("equal(A, A)", A=A)), "I 1") - self.assertEqual(pixel(ImageMath.eval("equal(B, B)", B=B)), "I 1") - self.assertEqual(pixel(ImageMath.eval("equal(Z, Z)", Z=Z)), "I 1") - self.assertEqual(pixel(ImageMath.eval("equal(A, B)", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("equal(B, A)", A=A, B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("equal(A, Z)", A=A, Z=Z)), "I 0") - - def test_logical_not_equal(self): - self.assertEqual(pixel(ImageMath.eval("notequal(A, A)", A=A)), "I 0") - self.assertEqual(pixel(ImageMath.eval("notequal(B, B)", B=B)), "I 0") - self.assertEqual(pixel(ImageMath.eval("notequal(Z, Z)", Z=Z)), "I 0") - self.assertEqual( - pixel(ImageMath.eval("notequal(A, B)", A=A, B=B)), "I 1") - self.assertEqual( - pixel(ImageMath.eval("notequal(B, A)", A=A, B=B)), "I 1") - self.assertEqual( - pixel(ImageMath.eval("notequal(A, Z)", A=A, Z=Z)), "I 1") - - -if __name__ == '__main__': - unittest.main() +def test_sanity(): + assert ImageMath.eval("1") == 1 + assert ImageMath.eval("1+A", A=2) == 3 + assert pixel(ImageMath.eval("A+B", A=A, B=B)) == "I 3" + assert pixel(ImageMath.eval("A+B", images)) == "I 3" + assert pixel(ImageMath.eval("float(A)+B", images)) == "F 3.0" + assert pixel(ImageMath.eval("int(float(A)+B)", images)) == "I 3" + + +def test_ops(): + assert pixel(ImageMath.eval("-A", images)) == "I -1" + assert pixel(ImageMath.eval("+B", images)) == "L 2" + + assert pixel(ImageMath.eval("A+B", images)) == "I 3" + assert pixel(ImageMath.eval("A-B", images)) == "I -1" + assert pixel(ImageMath.eval("A*B", images)) == "I 2" + assert pixel(ImageMath.eval("A/B", images)) == "I 0" + assert pixel(ImageMath.eval("B**2", images)) == "I 4" + assert pixel(ImageMath.eval("B**33", images)) == "I 2147483647" + + assert pixel(ImageMath.eval("float(A)+B", images)) == "F 3.0" + assert pixel(ImageMath.eval("float(A)-B", images)) == "F -1.0" + assert pixel(ImageMath.eval("float(A)*B", images)) == "F 2.0" + assert pixel(ImageMath.eval("float(A)/B", images)) == "F 0.5" + assert pixel(ImageMath.eval("float(B)**2", images)) == "F 4.0" + assert pixel(ImageMath.eval("float(B)**33", images)) == "F 8589934592.0" + + +@pytest.mark.parametrize( + "expression", + ( + "exec('pass')", + "(lambda: exec('pass'))()", + "(lambda: (lambda: exec('pass'))())()", + ), +) +def test_prevent_exec(expression): + with pytest.raises(ValueError): + ImageMath.eval(expression) + + +def test_logical(): + assert pixel(ImageMath.eval("not A", images)) == 0 + assert pixel(ImageMath.eval("A and B", images)) == "L 2" + assert pixel(ImageMath.eval("A or B", images)) == "L 1" + + +def test_convert(): + assert pixel(ImageMath.eval("convert(A+B, 'L')", images)) == "L 3" + assert pixel(ImageMath.eval("convert(A+B, '1')", images)) == "1 0" + assert pixel(ImageMath.eval("convert(A+B, 'RGB')", images)) == "RGB (3, 3, 3)" + + +def test_compare(): + assert pixel(ImageMath.eval("min(A, B)", images)) == "I 1" + assert pixel(ImageMath.eval("max(A, B)", images)) == "I 2" + assert pixel(ImageMath.eval("A == 1", images)) == "I 1" + assert pixel(ImageMath.eval("A == 2", images)) == "I 0" + + +def test_one_image_larger(): + assert pixel(ImageMath.eval("A+B", A=A2, B=B)) == "I 3" + assert pixel(ImageMath.eval("A+B", A=A, B=B2)) == "I 3" + + +def test_abs(): + assert pixel(ImageMath.eval("abs(A)", A=A)) == "I 1" + assert pixel(ImageMath.eval("abs(B)", B=B)) == "I 2" + + +def test_binary_mod(): + assert pixel(ImageMath.eval("A%A", A=A)) == "I 0" + assert pixel(ImageMath.eval("B%B", B=B)) == "I 0" + assert pixel(ImageMath.eval("A%B", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("B%A", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("Z%A", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z%B", B=B, Z=Z)) == "I 0" + + +def test_bitwise_invert(): + assert pixel(ImageMath.eval("~Z", Z=Z)) == "I -1" + assert pixel(ImageMath.eval("~A", A=A)) == "I -2" + assert pixel(ImageMath.eval("~B", B=B)) == "I -3" + + +def test_bitwise_and(): + assert pixel(ImageMath.eval("Z&Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z&A", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A&Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A&A", A=A, Z=Z)) == "I 1" + + +def test_bitwise_or(): + assert pixel(ImageMath.eval("Z|Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z|A", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A|Z", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A|A", A=A, Z=Z)) == "I 1" + + +def test_bitwise_xor(): + assert pixel(ImageMath.eval("Z^Z", A=A, Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z^A", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A^Z", A=A, Z=Z)) == "I 1" + assert pixel(ImageMath.eval("A^A", A=A, Z=Z)) == "I 0" + + +def test_bitwise_leftshift(): + assert pixel(ImageMath.eval("Z<<0", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z<<1", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A<<0", A=A)) == "I 1" + assert pixel(ImageMath.eval("A<<1", A=A)) == "I 2" + + +def test_bitwise_rightshift(): + assert pixel(ImageMath.eval("Z>>0", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("Z>>1", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("A>>0", A=A)) == "I 1" + assert pixel(ImageMath.eval("A>>1", A=A)) == "I 0" + + +def test_logical_eq(): + assert pixel(ImageMath.eval("A==A", A=A)) == "I 1" + assert pixel(ImageMath.eval("B==B", B=B)) == "I 1" + assert pixel(ImageMath.eval("A==B", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("B==A", A=A, B=B)) == "I 0" + + +def test_logical_ne(): + assert pixel(ImageMath.eval("A!=A", A=A)) == "I 0" + assert pixel(ImageMath.eval("B!=B", B=B)) == "I 0" + assert pixel(ImageMath.eval("A!=B", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("B!=A", A=A, B=B)) == "I 1" + + +def test_logical_lt(): + assert pixel(ImageMath.eval("AA", A=A)) == "I 0" + assert pixel(ImageMath.eval("B>B", B=B)) == "I 0" + assert pixel(ImageMath.eval("A>B", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("B>A", A=A, B=B)) == "I 1" + + +def test_logical_ge(): + assert pixel(ImageMath.eval("A>=A", A=A)) == "I 1" + assert pixel(ImageMath.eval("B>=B", B=B)) == "I 1" + assert pixel(ImageMath.eval("A>=B", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("B>=A", A=A, B=B)) == "I 1" + + +def test_logical_equal(): + assert pixel(ImageMath.eval("equal(A, A)", A=A)) == "I 1" + assert pixel(ImageMath.eval("equal(B, B)", B=B)) == "I 1" + assert pixel(ImageMath.eval("equal(Z, Z)", Z=Z)) == "I 1" + assert pixel(ImageMath.eval("equal(A, B)", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("equal(B, A)", A=A, B=B)) == "I 0" + assert pixel(ImageMath.eval("equal(A, Z)", A=A, Z=Z)) == "I 0" + + +def test_logical_not_equal(): + assert pixel(ImageMath.eval("notequal(A, A)", A=A)) == "I 0" + assert pixel(ImageMath.eval("notequal(B, B)", B=B)) == "I 0" + assert pixel(ImageMath.eval("notequal(Z, Z)", Z=Z)) == "I 0" + assert pixel(ImageMath.eval("notequal(A, B)", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("notequal(B, A)", A=A, B=B)) == "I 1" + assert pixel(ImageMath.eval("notequal(A, Z)", A=A, Z=Z)) == "I 1" diff --git a/Tests/test_imagemorph.py b/Tests/test_imagemorph.py index b51b212e0db..368c2bba140 100644 --- a/Tests/test_imagemorph.py +++ b/Tests/test_imagemorph.py @@ -1,289 +1,341 @@ # Test the ImageMorphology functionality -from helper import unittest, PillowTestCase, hopper - -from PIL import Image -from PIL import ImageMorph - - -class MorphTests(PillowTestCase): - - def setUp(self): - self.A = self.string_to_img( - """ - ....... - ....... - ..111.. - ..111.. - ..111.. - ....... - ....... - """ - ) - - def img_to_string(self, im): - """Turn a (small) binary image into a string representation""" - chars = '.1' - width, height = im.size - return '\n'.join( - ''.join(chars[im.getpixel((c, r)) > 0] for c in range(width)) - for r in range(height)) - - def string_to_img(self, image_string): - """Turn a string image representation into a binary image""" - rows = [s for s in image_string.replace(' ', '').split('\n') - if len(s)] - height = len(rows) - width = len(rows[0]) - im = Image.new('L', (width, height)) - for i in range(width): - for j in range(height): - c = rows[j][i] - v = c in 'X1' - im.putpixel((i, j), v) - - return im - - def img_string_normalize(self, im): - return self.img_to_string(self.string_to_img(im)) - - def assert_img_equal(self, A, B): - self.assertEqual(self.img_to_string(A), self.img_to_string(B)) - - def assert_img_equal_img_string(self, A, Bstring): - self.assertEqual( - self.img_to_string(A), - self.img_string_normalize(Bstring)) - - def test_str_to_img(self): - im = Image.open('Tests/images/morph_a.png') - self.assert_image_equal(self.A, im) - - def create_lut(self): - for op in ( - 'corner', 'dilation4', 'dilation8', - 'erosion4', 'erosion8', 'edge'): - lb = ImageMorph.LutBuilder(op_name=op) - lut = lb.build_lut() - with open('Tests/images/%s.lut' % op, 'wb') as f: - f.write(lut) - - # create_lut() - def test_lut(self): - for op in ( - 'corner', 'dilation4', 'dilation8', - 'erosion4', 'erosion8', 'edge'): - lb = ImageMorph.LutBuilder(op_name=op) - self.assertIsNone(lb.get_lut()) - - lut = lb.build_lut() - with open('Tests/images/%s.lut' % op, 'rb') as f: - self.assertEqual(lut, bytearray(f.read())) - - def test_no_operator_loaded(self): - mop = ImageMorph.MorphOp() - self.assertRaises(Exception, mop.apply, None) - self.assertRaises(Exception, mop.match, None) - self.assertRaises(Exception, mop.save_lut, None) - - # Test the named patterns - def test_erosion8(self): - # erosion8 - mop = ImageMorph.MorphOp(op_name='erosion8') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 8) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ....... - ...1... - ....... - ....... - ....... - """) - - def test_dialation8(self): - # dialation8 - mop = ImageMorph.MorphOp(op_name='dilation8') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 16) - self.assert_img_equal_img_string(Aout, - """ - ....... - .11111. - .11111. - .11111. - .11111. - .11111. - ....... - """) - - def test_erosion4(self): - # erosion4 - mop = ImageMorph.MorphOp(op_name='dilation4') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 12) - self.assert_img_equal_img_string(Aout, - """ - ....... - ..111.. - .11111. - .11111. - .11111. - ..111.. - ....... - """) - - def test_edge(self): - # edge - mop = ImageMorph.MorphOp(op_name='edge') - count, Aout = mop.apply(self.A) - self.assertEqual(count, 1) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ..111.. - ..1.1.. - ..111.. - ....... - ....... - """) - - def test_corner(self): - # Create a corner detector pattern - mop = ImageMorph.MorphOp(patterns=['1:(... ... ...)->0', - '4:(00. 01. ...)->1']) - count, Aout = mop.apply(self.A) - self.assertEqual(count, 5) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ..1.1.. - ....... - ..1.1.. - ....... - ....... - """) - - # Test the coordinate counting with the same operator - coords = mop.match(self.A) - self.assertEqual(len(coords), 4) - self.assertEqual(tuple(coords), ((2, 2), (4, 2), (2, 4), (4, 4))) - - coords = mop.get_on_pixels(Aout) - self.assertEqual(len(coords), 4) - self.assertEqual(tuple(coords), ((2, 2), (4, 2), (2, 4), (4, 4))) - - def test_mirroring(self): - # Test 'M' for mirroring - mop = ImageMorph.MorphOp(patterns=['1:(... ... ...)->0', - 'M:(00. 01. ...)->1']) - count, Aout = mop.apply(self.A) - self.assertEqual(count, 7) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ..1.1.. - ....... - ....... - ....... - ....... - """) - - def test_negate(self): - # Test 'N' for negate - mop = ImageMorph.MorphOp(patterns=['1:(... ... ...)->0', - 'N:(00. 01. ...)->1']) - count, Aout = mop.apply(self.A) - self.assertEqual(count, 8) - self.assert_img_equal_img_string(Aout, - """ - ....... - ....... - ..1.... - ....... - ....... - ....... - ....... - """) - - def test_non_binary_images(self): - im = hopper('RGB') - mop = ImageMorph.MorphOp(op_name="erosion8") - - self.assertRaises(Exception, mop.apply, im) - self.assertRaises(Exception, mop.match, im) - self.assertRaises(Exception, mop.get_on_pixels, im) - - def test_add_patterns(self): - # Arrange - lb = ImageMorph.LutBuilder(op_name='corner') - self.assertEqual(lb.patterns, ['1:(... ... ...)->0', - '4:(00. 01. ...)->1']) - new_patterns = ['M:(00. 01. ...)->1', - 'N:(00. 01. ...)->1'] - - # Act - lb.add_patterns(new_patterns) - - # Assert - self.assertEqual( - lb.patterns, - ['1:(... ... ...)->0', - '4:(00. 01. ...)->1', - 'M:(00. 01. ...)->1', - 'N:(00. 01. ...)->1']) - - def test_unknown_pattern(self): - self.assertRaises( - Exception, - ImageMorph.LutBuilder, op_name='unknown') - - def test_pattern_syntax_error(self): - # Arrange - lb = ImageMorph.LutBuilder(op_name='corner') - new_patterns = ['a pattern with a syntax error'] - lb.add_patterns(new_patterns) - - # Act / Assert - self.assertRaises(Exception, lb.build_lut) - - def test_load_invalid_mrl(self): - # Arrange - invalid_mrl = 'Tests/images/hopper.png' - mop = ImageMorph.MorphOp() - - # Act / Assert - self.assertRaises(Exception, mop.load_lut, invalid_mrl) - - def test_roundtrip_mrl(self): - # Arrange - tempfile = self.tempfile('temp.mrl') - mop = ImageMorph.MorphOp(op_name='corner') - initial_lut = mop.lut - - # Act - mop.save_lut(tempfile) - mop.load_lut(tempfile) - - # Act / Assert - self.assertEqual(mop.lut, initial_lut) - - def test_set_lut(self): - # Arrange - lb = ImageMorph.LutBuilder(op_name='corner') +import pytest + +from PIL import Image, ImageMorph, _imagingmorph + +from .helper import assert_image_equal_tofile, hopper + + +def string_to_img(image_string): + """Turn a string image representation into a binary image""" + rows = [s for s in image_string.replace(" ", "").split("\n") if len(s)] + height = len(rows) + width = len(rows[0]) + im = Image.new("L", (width, height)) + for i in range(width): + for j in range(height): + c = rows[j][i] + v = c in "X1" + im.putpixel((i, j), v) + + return im + + +A = string_to_img( + """ + ....... + ....... + ..111.. + ..111.. + ..111.. + ....... + ....... + """ +) + + +def img_to_string(im): + """Turn a (small) binary image into a string representation""" + chars = ".1" + width, height = im.size + return "\n".join( + "".join(chars[im.getpixel((c, r)) > 0] for c in range(width)) + for r in range(height) + ) + + +def img_string_normalize(im): + return img_to_string(string_to_img(im)) + + +def assert_img_equal(A, B): + assert img_to_string(A) == img_to_string(B) + + +def assert_img_equal_img_string(A, Bstring): + assert img_to_string(A) == img_string_normalize(Bstring) + + +def test_str_to_img(): + assert_image_equal_tofile(A, "Tests/images/morph_a.png") + + +def create_lut(): + for op in ("corner", "dilation4", "dilation8", "erosion4", "erosion8", "edge"): + lb = ImageMorph.LutBuilder(op_name=op) lut = lb.build_lut() - mop = ImageMorph.MorphOp() + with open(f"Tests/images/{op}.lut", "wb") as f: + f.write(lut) + + +# create_lut() +def test_lut(): + for op in ("corner", "dilation4", "dilation8", "erosion4", "erosion8", "edge"): + lb = ImageMorph.LutBuilder(op_name=op) + assert lb.get_lut() is None + + lut = lb.build_lut() + with open(f"Tests/images/{op}.lut", "rb") as f: + assert lut == bytearray(f.read()) + + +def test_no_operator_loaded(): + mop = ImageMorph.MorphOp() + with pytest.raises(Exception) as e: + mop.apply(None) + assert str(e.value) == "No operator loaded" + with pytest.raises(Exception) as e: + mop.match(None) + assert str(e.value) == "No operator loaded" + with pytest.raises(Exception) as e: + mop.save_lut(None) + assert str(e.value) == "No operator loaded" + + +# Test the named patterns +def test_erosion8(): + # erosion8 + mop = ImageMorph.MorphOp(op_name="erosion8") + count, Aout = mop.apply(A) + assert count == 8 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ....... + ...1... + ....... + ....... + ....... + """, + ) + + +def test_dialation8(): + # dialation8 + mop = ImageMorph.MorphOp(op_name="dilation8") + count, Aout = mop.apply(A) + assert count == 16 + assert_img_equal_img_string( + Aout, + """ + ....... + .11111. + .11111. + .11111. + .11111. + .11111. + ....... + """, + ) + + +def test_erosion4(): + # erosion4 + mop = ImageMorph.MorphOp(op_name="dilation4") + count, Aout = mop.apply(A) + assert count == 12 + assert_img_equal_img_string( + Aout, + """ + ....... + ..111.. + .11111. + .11111. + .11111. + ..111.. + ....... + """, + ) + + +def test_edge(): + # edge + mop = ImageMorph.MorphOp(op_name="edge") + count, Aout = mop.apply(A) + assert count == 1 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..111.. + ..1.1.. + ..111.. + ....... + ....... + """, + ) + + +def test_corner(): + # Create a corner detector pattern + mop = ImageMorph.MorphOp(patterns=["1:(... ... ...)->0", "4:(00. 01. ...)->1"]) + count, Aout = mop.apply(A) + assert count == 5 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..1.1.. + ....... + ..1.1.. + ....... + ....... + """, + ) + + # Test the coordinate counting with the same operator + coords = mop.match(A) + assert len(coords) == 4 + assert tuple(coords) == ((2, 2), (4, 2), (2, 4), (4, 4)) + + coords = mop.get_on_pixels(Aout) + assert len(coords) == 4 + assert tuple(coords) == ((2, 2), (4, 2), (2, 4), (4, 4)) + + +def test_mirroring(): + # Test 'M' for mirroring + mop = ImageMorph.MorphOp(patterns=["1:(... ... ...)->0", "M:(00. 01. ...)->1"]) + count, Aout = mop.apply(A) + assert count == 7 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..1.1.. + ....... + ....... + ....... + ....... + """, + ) + + +def test_negate(): + # Test 'N' for negate + mop = ImageMorph.MorphOp(patterns=["1:(... ... ...)->0", "N:(00. 01. ...)->1"]) + count, Aout = mop.apply(A) + assert count == 8 + assert_img_equal_img_string( + Aout, + """ + ....... + ....... + ..1.... + ....... + ....... + ....... + ....... + """, + ) + + +def test_incorrect_mode(): + im = hopper("RGB") + mop = ImageMorph.MorphOp(op_name="erosion8") + + with pytest.raises(ValueError) as e: + mop.apply(im) + assert str(e.value) == "Image mode must be L" + with pytest.raises(ValueError) as e: + mop.match(im) + assert str(e.value) == "Image mode must be L" + with pytest.raises(ValueError) as e: + mop.get_on_pixels(im) + assert str(e.value) == "Image mode must be L" + + +def test_add_patterns(): + # Arrange + lb = ImageMorph.LutBuilder(op_name="corner") + assert lb.patterns == ["1:(... ... ...)->0", "4:(00. 01. ...)->1"] + new_patterns = ["M:(00. 01. ...)->1", "N:(00. 01. ...)->1"] + + # Act + lb.add_patterns(new_patterns) + + # Assert + assert lb.patterns == [ + "1:(... ... ...)->0", + "4:(00. 01. ...)->1", + "M:(00. 01. ...)->1", + "N:(00. 01. ...)->1", + ] + + +def test_unknown_pattern(): + with pytest.raises(Exception): + ImageMorph.LutBuilder(op_name="unknown") + + +def test_pattern_syntax_error(): + # Arrange + lb = ImageMorph.LutBuilder(op_name="corner") + new_patterns = ["a pattern with a syntax error"] + lb.add_patterns(new_patterns) + + # Act / Assert + with pytest.raises(Exception) as e: + lb.build_lut() + assert str(e.value) == 'Syntax error in pattern "a pattern with a syntax error"' + + +def test_load_invalid_mrl(): + # Arrange + invalid_mrl = "Tests/images/hopper.png" + mop = ImageMorph.MorphOp() + + # Act / Assert + with pytest.raises(Exception) as e: + mop.load_lut(invalid_mrl) + assert str(e.value) == "Wrong size operator file!" + + +def test_roundtrip_mrl(tmp_path): + # Arrange + tempfile = str(tmp_path / "temp.mrl") + mop = ImageMorph.MorphOp(op_name="corner") + initial_lut = mop.lut + + # Act + mop.save_lut(tempfile) + mop.load_lut(tempfile) + + # Act / Assert + assert mop.lut == initial_lut + + +def test_set_lut(): + # Arrange + lb = ImageMorph.LutBuilder(op_name="corner") + lut = lb.build_lut() + mop = ImageMorph.MorphOp() + + # Act + mop.set_lut(lut) + + # Assert + assert mop.lut == lut + + +def test_wrong_mode(): + lut = ImageMorph.LutBuilder(op_name="corner").build_lut() + imrgb = Image.new("RGB", (10, 10)) + iml = Image.new("L", (10, 10)) - # Act - mop.set_lut(lut) + with pytest.raises(RuntimeError): + _imagingmorph.apply(bytes(lut), imrgb.im.id, iml.im.id) - # Assert - self.assertEqual(mop.lut, lut) + with pytest.raises(RuntimeError): + _imagingmorph.apply(bytes(lut), iml.im.id, imrgb.im.id) + with pytest.raises(RuntimeError): + _imagingmorph.match(bytes(lut), imrgb.im.id) -if __name__ == '__main__': - unittest.main() + # Should not raise + _imagingmorph.match(bytes(lut), iml.im.id) diff --git a/Tests/test_imageops.py b/Tests/test_imageops.py index 11cf3619d3e..6aa1cf35edf 100644 --- a/Tests/test_imageops.py +++ b/Tests/test_imageops.py @@ -1,99 +1,474 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import ImageOps +from PIL import Image, ImageDraw, ImageOps, ImageStat, features +from .helper import ( + assert_image_equal, + assert_image_similar, + assert_image_similar_tofile, + assert_tuple_approx_equal, + hopper, +) -class TestImageOps(PillowTestCase): - class Deformer(object): - def getmesh(self, im): - x, y = im.size - return [((0, 0, x, y), (0, 0, x, 0, x, y, y, 0))] +class Deformer: + def getmesh(self, im): + x, y = im.size + return [((0, 0, x, y), (0, 0, x, 0, x, y, y, 0))] - deformer = Deformer() - def test_sanity(self): +deformer = Deformer() - ImageOps.autocontrast(hopper("L")) - ImageOps.autocontrast(hopper("RGB")) - ImageOps.autocontrast(hopper("L"), cutoff=10) - ImageOps.autocontrast(hopper("L"), ignore=[0, 255]) +def test_sanity(): - ImageOps.colorize(hopper("L"), (0, 0, 0), (255, 255, 255)) - ImageOps.colorize(hopper("L"), "black", "white") + ImageOps.autocontrast(hopper("L")) + ImageOps.autocontrast(hopper("RGB")) - ImageOps.crop(hopper("L"), 1) - ImageOps.crop(hopper("RGB"), 1) + ImageOps.autocontrast(hopper("L"), cutoff=10) + ImageOps.autocontrast(hopper("L"), cutoff=(2, 10)) + ImageOps.autocontrast(hopper("L"), ignore=[0, 255]) + ImageOps.autocontrast(hopper("L"), mask=hopper("L")) + ImageOps.autocontrast(hopper("L"), preserve_tone=True) - ImageOps.deform(hopper("L"), self.deformer) - ImageOps.deform(hopper("RGB"), self.deformer) + ImageOps.colorize(hopper("L"), (0, 0, 0), (255, 255, 255)) + ImageOps.colorize(hopper("L"), "black", "white") - ImageOps.equalize(hopper("L")) - ImageOps.equalize(hopper("RGB")) + ImageOps.pad(hopper("L"), (128, 128)) + ImageOps.pad(hopper("RGB"), (128, 128)) - ImageOps.expand(hopper("L"), 1) - ImageOps.expand(hopper("RGB"), 1) - ImageOps.expand(hopper("L"), 2, "blue") - ImageOps.expand(hopper("RGB"), 2, "blue") + ImageOps.contain(hopper("L"), (128, 128)) + ImageOps.contain(hopper("RGB"), (128, 128)) - ImageOps.fit(hopper("L"), (128, 128)) - ImageOps.fit(hopper("RGB"), (128, 128)) + ImageOps.crop(hopper("L"), 1) + ImageOps.crop(hopper("RGB"), 1) - ImageOps.flip(hopper("L")) - ImageOps.flip(hopper("RGB")) + ImageOps.deform(hopper("L"), deformer) + ImageOps.deform(hopper("RGB"), deformer) - ImageOps.grayscale(hopper("L")) - ImageOps.grayscale(hopper("RGB")) + ImageOps.equalize(hopper("L")) + ImageOps.equalize(hopper("RGB")) - ImageOps.invert(hopper("L")) - ImageOps.invert(hopper("RGB")) + ImageOps.expand(hopper("L"), 1) + ImageOps.expand(hopper("RGB"), 1) + ImageOps.expand(hopper("L"), 2, "blue") + ImageOps.expand(hopper("RGB"), 2, "blue") - ImageOps.mirror(hopper("L")) - ImageOps.mirror(hopper("RGB")) + ImageOps.fit(hopper("L"), (128, 128)) + ImageOps.fit(hopper("RGB"), (128, 128)) - ImageOps.posterize(hopper("L"), 4) - ImageOps.posterize(hopper("RGB"), 4) + ImageOps.flip(hopper("L")) + ImageOps.flip(hopper("RGB")) - ImageOps.solarize(hopper("L")) - ImageOps.solarize(hopper("RGB")) + ImageOps.grayscale(hopper("L")) + ImageOps.grayscale(hopper("RGB")) - def test_1pxfit(self): - # Division by zero in equalize if image is 1 pixel high - newimg = ImageOps.fit(hopper("RGB").resize((1, 1)), (35, 35)) - self.assertEqual(newimg.size, (35, 35)) + ImageOps.invert(hopper("L")) + ImageOps.invert(hopper("RGB")) - newimg = ImageOps.fit(hopper("RGB").resize((1, 100)), (35, 35)) - self.assertEqual(newimg.size, (35, 35)) + ImageOps.mirror(hopper("L")) + ImageOps.mirror(hopper("RGB")) - newimg = ImageOps.fit(hopper("RGB").resize((100, 1)), (35, 35)) - self.assertEqual(newimg.size, (35, 35)) + ImageOps.posterize(hopper("L"), 4) + ImageOps.posterize(hopper("RGB"), 4) - def test_pil163(self): - # Division by zero in equalize if < 255 pixels in image (@PIL163) + ImageOps.solarize(hopper("L")) + ImageOps.solarize(hopper("RGB")) - i = hopper("RGB").resize((15, 16)) + ImageOps.exif_transpose(hopper("L")) + ImageOps.exif_transpose(hopper("RGB")) - ImageOps.equalize(i.convert("L")) - ImageOps.equalize(i.convert("P")) - ImageOps.equalize(i.convert("RGB")) - def test_scale(self): - # Test the scaling function - i = hopper("L").resize((50, 50)) +def test_1pxfit(): + # Division by zero in equalize if image is 1 pixel high + newimg = ImageOps.fit(hopper("RGB").resize((1, 1)), (35, 35)) + assert newimg.size == (35, 35) - with self.assertRaises(ValueError): - ImageOps.scale(i, -1) + newimg = ImageOps.fit(hopper("RGB").resize((1, 100)), (35, 35)) + assert newimg.size == (35, 35) - newimg = ImageOps.scale(i, 1) - self.assertEqual(newimg.size, (50, 50)) + newimg = ImageOps.fit(hopper("RGB").resize((100, 1)), (35, 35)) + assert newimg.size == (35, 35) - newimg = ImageOps.scale(i, 2) - self.assertEqual(newimg.size, (100, 100)) - newimg = ImageOps.scale(i, 0.5) - self.assertEqual(newimg.size, (25, 25)) +def test_fit_same_ratio(): + # The ratio for this image is 1000.0 / 755 = 1.3245033112582782 + # If the ratios are not acknowledged to be the same, + # and Pillow attempts to adjust the width to + # 1.3245033112582782 * 755 = 1000.0000000000001 + # then centering this greater width causes a negative x offset when cropping + with Image.new("RGB", (1000, 755)) as im: + new_im = ImageOps.fit(im, (1000, 755)) + assert new_im.size == (1000, 755) -if __name__ == '__main__': - unittest.main() +@pytest.mark.parametrize("new_size", ((256, 256), (512, 256), (256, 512))) +def test_contain(new_size): + im = hopper() + new_im = ImageOps.contain(im, new_size) + assert new_im.size == (256, 256) + + +def test_pad(): + # Same ratio + im = hopper() + new_size = (im.width * 2, im.height * 2) + new_im = ImageOps.pad(im, new_size) + assert new_im.size == new_size + + for label, color, new_size in [ + ("h", None, (im.width * 4, im.height * 2)), + ("v", "#f00", (im.width * 2, im.height * 4)), + ]: + for i, centering in enumerate([(0, 0), (0.5, 0.5), (1, 1)]): + new_im = ImageOps.pad(im, new_size, color=color, centering=centering) + assert new_im.size == new_size + + assert_image_similar_tofile( + new_im, "Tests/images/imageops_pad_" + label + "_" + str(i) + ".jpg", 6 + ) + + +def test_pil163(): + # Division by zero in equalize if < 255 pixels in image (@PIL163) + + i = hopper("RGB").resize((15, 16)) + + ImageOps.equalize(i.convert("L")) + ImageOps.equalize(i.convert("P")) + ImageOps.equalize(i.convert("RGB")) + + +def test_scale(): + # Test the scaling function + i = hopper("L").resize((50, 50)) + + with pytest.raises(ValueError): + ImageOps.scale(i, -1) + + newimg = ImageOps.scale(i, 1) + assert newimg.size == (50, 50) + + newimg = ImageOps.scale(i, 2) + assert newimg.size == (100, 100) + + newimg = ImageOps.scale(i, 0.5) + assert newimg.size == (25, 25) + + +@pytest.mark.parametrize("border", (10, (1, 2, 3, 4))) +def test_expand_palette(border): + with Image.open("Tests/images/p_16.tga") as im: + im_expanded = ImageOps.expand(im, border, (255, 0, 0)) + + if isinstance(border, int): + left = top = right = bottom = border + else: + left, top, right, bottom = border + px = im_expanded.convert("RGB").load() + for x in range(im_expanded.width): + for b in range(top): + assert px[x, b] == (255, 0, 0) + for b in range(bottom): + assert px[x, im_expanded.height - 1 - b] == (255, 0, 0) + for y in range(im_expanded.height): + for b in range(left): + assert px[b, y] == (255, 0, 0) + for b in range(right): + assert px[im_expanded.width - 1 - b, y] == (255, 0, 0) + + im_cropped = im_expanded.crop( + (left, top, im_expanded.width - right, im_expanded.height - bottom) + ) + assert_image_equal(im_cropped, im) + + +def test_colorize_2color(): + # Test the colorizing function with 2-color functionality + + # Open test image (256px by 10px, black to white) + with Image.open("Tests/images/bw_gradient.png") as im: + im = im.convert("L") + + # Create image with original 2-color functionality + im_test = ImageOps.colorize(im, "red", "green") + + # Test output image (2-color) + left = (0, 1) + middle = (127, 1) + right = (255, 1) + assert_tuple_approx_equal( + im_test.getpixel(left), + (255, 0, 0), + threshold=1, + msg="black test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(middle), + (127, 63, 0), + threshold=1, + msg="mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(right), + (0, 127, 0), + threshold=1, + msg="white test pixel incorrect", + ) + + +def test_colorize_2color_offset(): + # Test the colorizing function with 2-color functionality and offset + + # Open test image (256px by 10px, black to white) + with Image.open("Tests/images/bw_gradient.png") as im: + im = im.convert("L") + + # Create image with original 2-color functionality with offsets + im_test = ImageOps.colorize( + im, black="red", white="green", blackpoint=50, whitepoint=100 + ) + + # Test output image (2-color) with offsets + left = (25, 1) + middle = (75, 1) + right = (125, 1) + assert_tuple_approx_equal( + im_test.getpixel(left), + (255, 0, 0), + threshold=1, + msg="black test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(middle), + (127, 63, 0), + threshold=1, + msg="mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(right), + (0, 127, 0), + threshold=1, + msg="white test pixel incorrect", + ) + + +def test_colorize_3color_offset(): + # Test the colorizing function with 3-color functionality and offset + + # Open test image (256px by 10px, black to white) + with Image.open("Tests/images/bw_gradient.png") as im: + im = im.convert("L") + + # Create image with new three color functionality with offsets + im_test = ImageOps.colorize( + im, + black="red", + white="green", + mid="blue", + blackpoint=50, + whitepoint=200, + midpoint=100, + ) + + # Test output image (3-color) with offsets + left = (25, 1) + left_middle = (75, 1) + middle = (100, 1) + right_middle = (150, 1) + right = (225, 1) + assert_tuple_approx_equal( + im_test.getpixel(left), + (255, 0, 0), + threshold=1, + msg="black test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(left_middle), + (127, 0, 127), + threshold=1, + msg="low-mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(middle), (0, 0, 255), threshold=1, msg="mid incorrect" + ) + assert_tuple_approx_equal( + im_test.getpixel(right_middle), + (0, 63, 127), + threshold=1, + msg="high-mid test pixel incorrect", + ) + assert_tuple_approx_equal( + im_test.getpixel(right), + (0, 127, 0), + threshold=1, + msg="white test pixel incorrect", + ) + + +def test_exif_transpose(): + exts = [".jpg"] + if features.check("webp") and features.check("webp_anim"): + exts.append(".webp") + for ext in exts: + with Image.open("Tests/images/hopper" + ext) as base_im: + + def check(orientation_im): + for im in [ + orientation_im, + orientation_im.copy(), + ]: # ImageFile # Image + if orientation_im is base_im: + assert "exif" not in im.info + else: + original_exif = im.info["exif"] + transposed_im = ImageOps.exif_transpose(im) + assert_image_similar(base_im, transposed_im, 17) + if orientation_im is base_im: + assert "exif" not in im.info + else: + assert transposed_im.info["exif"] != original_exif + + assert 0x0112 in im.getexif() + assert 0x0112 not in transposed_im.getexif() + + # Repeat the operation to test that it does not keep transposing + transposed_im2 = ImageOps.exif_transpose(transposed_im) + assert_image_equal(transposed_im2, transposed_im) + + check(base_im) + for i in range(2, 9): + with Image.open( + "Tests/images/hopper_orientation_" + str(i) + ext + ) as orientation_im: + check(orientation_im) + + # Orientation from "XML:com.adobe.xmp" info key + with Image.open("Tests/images/xmp_tags_orientation.png") as im: + assert im.getexif()[0x0112] == 3 + + transposed_im = ImageOps.exif_transpose(im) + assert 0x0112 not in transposed_im.getexif() + + # Orientation from "Raw profile type exif" info key + # This test image has been manually hexedited from exif_imagemagick.png + # to have a different orientation + with Image.open("Tests/images/exif_imagemagick_orientation.png") as im: + assert im.getexif()[0x0112] == 3 + + transposed_im = ImageOps.exif_transpose(im) + assert 0x0112 not in transposed_im.getexif() + + # Orientation set directly on Image.Exif + im = hopper() + im.getexif()[0x0112] = 3 + transposed_im = ImageOps.exif_transpose(im) + assert 0x0112 not in transposed_im.getexif() + + +def test_autocontrast_cutoff(): + # Test the cutoff argument of autocontrast + with Image.open("Tests/images/bw_gradient.png") as img: + + def autocontrast(cutoff): + return ImageOps.autocontrast(img, cutoff).histogram() + + assert autocontrast(10) == autocontrast((10, 10)) + assert autocontrast(10) != autocontrast((1, 10)) + + +def test_autocontrast_mask_toy_input(): + # Test the mask argument of autocontrast + with Image.open("Tests/images/bw_gradient.png") as img: + + rect_mask = Image.new("L", img.size, 0) + draw = ImageDraw.Draw(rect_mask) + x0 = img.size[0] // 4 + y0 = img.size[1] // 4 + x1 = 3 * img.size[0] // 4 + y1 = 3 * img.size[1] // 4 + draw.rectangle((x0, y0, x1, y1), fill=255) + + result = ImageOps.autocontrast(img, mask=rect_mask) + result_nomask = ImageOps.autocontrast(img) + + assert result != result_nomask + assert ImageStat.Stat(result, mask=rect_mask).median == [127] + assert ImageStat.Stat(result_nomask).median == [128] + + +def test_autocontrast_mask_real_input(): + # Test the autocontrast with a rectangular mask + with Image.open("Tests/images/iptc.jpg") as img: + + rect_mask = Image.new("L", img.size, 0) + draw = ImageDraw.Draw(rect_mask) + x0, y0 = img.size[0] // 2, img.size[1] // 2 + x1, y1 = img.size[0] - 40, img.size[1] + draw.rectangle((x0, y0, x1, y1), fill=255) + + result = ImageOps.autocontrast(img, mask=rect_mask) + result_nomask = ImageOps.autocontrast(img) + + assert result_nomask != result + assert_tuple_approx_equal( + ImageStat.Stat(result, mask=rect_mask).median, + [195, 202, 184], + threshold=2, + msg="autocontrast with mask pixel incorrect", + ) + assert_tuple_approx_equal( + ImageStat.Stat(result_nomask).median, + [119, 106, 79], + threshold=2, + msg="autocontrast without mask pixel incorrect", + ) + + +def test_autocontrast_preserve_tone(): + def autocontrast(mode, preserve_tone): + im = hopper(mode) + return ImageOps.autocontrast(im, preserve_tone=preserve_tone).histogram() + + assert autocontrast("RGB", True) != autocontrast("RGB", False) + assert autocontrast("L", True) == autocontrast("L", False) + + +def test_autocontrast_preserve_gradient(): + gradient = Image.linear_gradient("L") + + # test with a grayscale gradient that extends to 0,255. + # Should be a noop. + out = ImageOps.autocontrast(gradient, cutoff=0, preserve_tone=True) + + assert_image_equal(gradient, out) + + # cutoff the top and bottom + # autocontrast should make the first and last histogram entries equal + # and, with rounding, should be 10% of the image pixels + out = ImageOps.autocontrast(gradient, cutoff=10, preserve_tone=True) + hist = out.histogram() + assert hist[0] == hist[-1] + assert hist[-1] == 256 * round(256 * 0.10) + + # in rgb + img = gradient.convert("RGB") + out = ImageOps.autocontrast(img, cutoff=0, preserve_tone=True) + assert_image_equal(img, out) + + +@pytest.mark.parametrize( + "color", ((255, 255, 255), (127, 255, 0), (127, 127, 127), (0, 0, 0)) +) +def test_autocontrast_preserve_one_color(color): + img = Image.new("RGB", (10, 10), color) + + # single color images shouldn't change + out = ImageOps.autocontrast(img, cutoff=0, preserve_tone=True) + assert_image_equal(img, out) # single color, no cutoff + + # even if there is a cutoff + out = ImageOps.autocontrast( + img, cutoff=10, preserve_tone=True + ) # single color 10 cutoff + assert_image_equal(img, out) diff --git a/Tests/test_imageops_usm.py b/Tests/test_imageops_usm.py index cd7dcae5f00..8837ed2a262 100644 --- a/Tests/test_imageops_usm.py +++ b/Tests/test_imageops_usm.py @@ -1,101 +1,111 @@ -from helper import unittest, PillowTestCase - -from PIL import Image -from PIL import ImageOps -from PIL import ImageFilter - -im = Image.open("Tests/images/hopper.ppm") -snakes = Image.open("Tests/images/color_snakes.png") - - -class TestImageOpsUsm(PillowTestCase): - - def test_ops_api(self): - - i = self.assert_warning(DeprecationWarning, - ImageOps.gaussian_blur, im, 2.0) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - i = self.assert_warning(DeprecationWarning, - ImageOps.gblur, im, 2.0) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - i = self.assert_warning(DeprecationWarning, - ImageOps.unsharp_mask, im, 2.0, 125, 8) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - i = self.assert_warning(DeprecationWarning, - ImageOps.usm, im, 2.0, 125, 8) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - def test_filter_api(self): - - test_filter = ImageFilter.GaussianBlur(2.0) - i = im.filter(test_filter) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - test_filter = ImageFilter.UnsharpMask(2.0, 125, 8) - i = im.filter(test_filter) - self.assertEqual(i.mode, "RGB") - self.assertEqual(i.size, (128, 128)) - - def test_usm_formats(self): - - usm = ImageFilter.UnsharpMask - self.assertRaises(ValueError, im.convert("1").filter, usm) - im.convert("L").filter(usm) - self.assertRaises(ValueError, im.convert("I").filter, usm) - self.assertRaises(ValueError, im.convert("F").filter, usm) - im.convert("RGB").filter(usm) - im.convert("RGBA").filter(usm) - im.convert("CMYK").filter(usm) - self.assertRaises(ValueError, im.convert("YCbCr").filter, usm) - - def test_blur_formats(self): - - blur = ImageFilter.GaussianBlur - self.assertRaises(ValueError, im.convert("1").filter, blur) - blur(im.convert("L")) - self.assertRaises(ValueError, im.convert("I").filter, blur) - self.assertRaises(ValueError, im.convert("F").filter, blur) - im.convert("RGB").filter(blur) - im.convert("RGBA").filter(blur) - im.convert("CMYK").filter(blur) - self.assertRaises(ValueError, im.convert("YCbCr").filter, blur) - - def test_usm_accuracy(self): - - src = snakes.convert('RGB') - i = src.filter(ImageFilter.UnsharpMask(5, 1024, 0)) - # Image should not be changed because it have only 0 and 255 levels. - self.assertEqual(i.tobytes(), src.tobytes()) - - def test_blur_accuracy(self): - - i = snakes.filter(ImageFilter.GaussianBlur(.4)) - # These pixels surrounded with pixels with 255 intensity. - # They must be very close to 255. - for x, y, c in [(1, 0, 1), (2, 0, 1), (7, 8, 1), (8, 8, 1), (2, 9, 1), - (7, 3, 0), (8, 3, 0), (5, 8, 0), (5, 9, 0), (1, 3, 0), - (4, 3, 2), (4, 2, 2)]: - self.assertGreaterEqual(i.im.getpixel((x, y))[c], 250) - # Fuzzy match. - - def gp(x, y): - return i.im.getpixel((x, y)) - self.assertTrue(236 <= gp(7, 4)[0] <= 239) - self.assertTrue(236 <= gp(7, 5)[2] <= 239) - self.assertTrue(236 <= gp(7, 6)[2] <= 239) - self.assertTrue(236 <= gp(7, 7)[1] <= 239) - self.assertTrue(236 <= gp(8, 4)[0] <= 239) - self.assertTrue(236 <= gp(8, 5)[2] <= 239) - self.assertTrue(236 <= gp(8, 6)[2] <= 239) - self.assertTrue(236 <= gp(8, 7)[1] <= 239) - -if __name__ == '__main__': - unittest.main() +import pytest + +from PIL import Image, ImageFilter + + +@pytest.fixture +def test_images(): + ims = { + "im": Image.open("Tests/images/hopper.ppm"), + "snakes": Image.open("Tests/images/color_snakes.png"), + } + try: + yield ims + finally: + for im in ims.values(): + im.close() + + +def test_filter_api(test_images): + im = test_images["im"] + + test_filter = ImageFilter.GaussianBlur(2.0) + i = im.filter(test_filter) + assert i.mode == "RGB" + assert i.size == (128, 128) + + test_filter = ImageFilter.UnsharpMask(2.0, 125, 8) + i = im.filter(test_filter) + assert i.mode == "RGB" + assert i.size == (128, 128) + + +def test_usm_formats(test_images): + im = test_images["im"] + + usm = ImageFilter.UnsharpMask + with pytest.raises(ValueError): + im.convert("1").filter(usm) + im.convert("L").filter(usm) + with pytest.raises(ValueError): + im.convert("I").filter(usm) + with pytest.raises(ValueError): + im.convert("F").filter(usm) + im.convert("RGB").filter(usm) + im.convert("RGBA").filter(usm) + im.convert("CMYK").filter(usm) + with pytest.raises(ValueError): + im.convert("YCbCr").filter(usm) + + +def test_blur_formats(test_images): + im = test_images["im"] + + blur = ImageFilter.GaussianBlur + with pytest.raises(ValueError): + im.convert("1").filter(blur) + blur(im.convert("L")) + with pytest.raises(ValueError): + im.convert("I").filter(blur) + with pytest.raises(ValueError): + im.convert("F").filter(blur) + im.convert("RGB").filter(blur) + im.convert("RGBA").filter(blur) + im.convert("CMYK").filter(blur) + with pytest.raises(ValueError): + im.convert("YCbCr").filter(blur) + + +def test_usm_accuracy(test_images): + snakes = test_images["snakes"] + + src = snakes.convert("RGB") + i = src.filter(ImageFilter.UnsharpMask(5, 1024, 0)) + # Image should not be changed because it have only 0 and 255 levels. + assert i.tobytes() == src.tobytes() + + +def test_blur_accuracy(test_images): + snakes = test_images["snakes"] + + i = snakes.filter(ImageFilter.GaussianBlur(0.4)) + # These pixels surrounded with pixels with 255 intensity. + # They must be very close to 255. + for x, y, c in [ + (1, 0, 1), + (2, 0, 1), + (7, 8, 1), + (8, 8, 1), + (2, 9, 1), + (7, 3, 0), + (8, 3, 0), + (5, 8, 0), + (5, 9, 0), + (1, 3, 0), + (4, 3, 2), + (4, 2, 2), + ]: + assert i.im.getpixel((x, y))[c] >= 250 + # Fuzzy match. + + def gp(x, y): + return i.im.getpixel((x, y)) + + assert 236 <= gp(7, 4)[0] <= 239 + assert 236 <= gp(7, 5)[2] <= 239 + assert 236 <= gp(7, 6)[2] <= 239 + assert 236 <= gp(7, 7)[1] <= 239 + assert 236 <= gp(8, 4)[0] <= 239 + assert 236 <= gp(8, 5)[2] <= 239 + assert 236 <= gp(8, 6)[2] <= 239 + assert 236 <= gp(8, 7)[1] <= 239 diff --git a/Tests/test_imagepalette.py b/Tests/test_imagepalette.py index 889f022ae06..475d249ed09 100644 --- a/Tests/test_imagepalette.py +++ b/Tests/test_imagepalette.py @@ -1,140 +1,193 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import ImagePalette, Image +from PIL import Image, ImagePalette +from .helper import assert_image_equal, assert_image_equal_tofile -class TestImagePalette(PillowTestCase): - def test_sanity(self): +def test_sanity(): - ImagePalette.ImagePalette("RGB", list(range(256))*3) - self.assertRaises(ValueError, - ImagePalette.ImagePalette, "RGB", list(range(256))*2) + palette = ImagePalette.ImagePalette("RGB", list(range(256)) * 3) + assert len(palette.colors) == 256 - def test_getcolor(self): + with pytest.warns(DeprecationWarning): + with pytest.raises(ValueError): + ImagePalette.ImagePalette("RGB", list(range(256)) * 3, 10) - palette = ImagePalette.ImagePalette() - test_map = {} - for i in range(256): - test_map[palette.getcolor((i, i, i))] = i +def test_reload(): + with Image.open("Tests/images/hopper.gif") as im: + original = im.copy() + im.palette.dirty = 1 + assert_image_equal(im.convert("RGB"), original.convert("RGB")) - self.assertEqual(len(test_map), 256) - self.assertRaises(ValueError, palette.getcolor, (1, 2, 3)) - # Test unknown color specifier - self.assertRaises(ValueError, palette.getcolor, "unknown") +def test_getcolor(): - def test_file(self): + palette = ImagePalette.ImagePalette() + assert len(palette.palette) == 0 + assert len(palette.colors) == 0 - palette = ImagePalette.ImagePalette("RGB", list(range(256))*3) + test_map = {} + for i in range(256): + test_map[palette.getcolor((i, i, i))] = i + assert len(test_map) == 256 - f = self.tempfile("temp.lut") + # Colors can be converted between RGB and RGBA + rgba_palette = ImagePalette.ImagePalette("RGBA") + assert rgba_palette.getcolor((0, 0, 0)) == rgba_palette.getcolor((0, 0, 0, 255)) - palette.save(f) + assert palette.getcolor((0, 0, 0)) == palette.getcolor((0, 0, 0, 255)) + + # An error is raised when the palette is full + with pytest.raises(ValueError): + palette.getcolor((1, 2, 3)) + # But not if the image is not using one of the palette entries + palette.getcolor((1, 2, 3), image=Image.new("P", (1, 1))) + + # Test unknown color specifier + with pytest.raises(ValueError): + palette.getcolor("unknown") + + +@pytest.mark.parametrize( + "index, palette", + [ + # Test when the palette is not full + (0, ImagePalette.ImagePalette()), + # Test when the palette is full + (255, ImagePalette.ImagePalette("RGB", list(range(256)) * 3)), + ], +) +def test_getcolor_not_special(index, palette): + im = Image.new("P", (1, 1)) + + # Do not use transparency index as a new color + im.info["transparency"] = index + index1 = palette.getcolor((0, 0, 0), im) + assert index1 != index + + # Do not use background index as a new color + im.info["background"] = index1 + index2 = palette.getcolor((0, 0, 1), im) + assert index2 not in (index, index1) + + +def test_file(tmp_path): + + palette = ImagePalette.ImagePalette("RGB", list(range(256)) * 3) - p = ImagePalette.load(f) + f = str(tmp_path / "temp.lut") - # load returns raw palette information - self.assertEqual(len(p[0]), 768) - self.assertEqual(p[1], "RGB") + palette.save(f) - p = ImagePalette.raw(p[1], p[0]) - self.assertIsInstance(p, ImagePalette.ImagePalette) - self.assertEqual(p.palette, palette.tobytes()) + p = ImagePalette.load(f) - def test_make_linear_lut(self): - # Arrange - black = 0 - white = 255 + # load returns raw palette information + assert len(p[0]) == 768 + assert p[1] == "RGB" - # Act - lut = ImagePalette.make_linear_lut(black, white) + p = ImagePalette.raw(p[1], p[0]) + assert isinstance(p, ImagePalette.ImagePalette) + assert p.palette == palette.tobytes() - # Assert - self.assertIsInstance(lut, list) - self.assertEqual(len(lut), 256) - # Check values - for i in range(0, len(lut)): - self.assertEqual(lut[i], i) - def test_make_linear_lut_not_yet_implemented(self): - # Update after FIXME - # Arrange - black = 1 - white = 255 +def test_make_linear_lut(): + # Arrange + black = 0 + white = 255 - # Act - self.assertRaises(NotImplementedError, - ImagePalette.make_linear_lut, black, white) + # Act + lut = ImagePalette.make_linear_lut(black, white) - def test_make_gamma_lut(self): - # Arrange - exp = 5 + # Assert + assert isinstance(lut, list) + assert len(lut) == 256 + # Check values + for i in range(0, len(lut)): + assert lut[i] == i - # Act - lut = ImagePalette.make_gamma_lut(exp) - # Assert - self.assertIsInstance(lut, list) - self.assertEqual(len(lut), 256) - # Check a few values - self.assertEqual(lut[0], 0) - self.assertEqual(lut[63], 0) - self.assertEqual(lut[127], 8) - self.assertEqual(lut[191], 60) - self.assertEqual(lut[255], 255) +def test_make_linear_lut_not_yet_implemented(): + # Update after FIXME + # Arrange + black = 1 + white = 255 + + # Act + with pytest.raises(NotImplementedError): + ImagePalette.make_linear_lut(black, white) + + +def test_make_gamma_lut(): + # Arrange + exp = 5 + + # Act + lut = ImagePalette.make_gamma_lut(exp) + + # Assert + assert isinstance(lut, list) + assert len(lut) == 256 + # Check a few values + assert lut[0] == 0 + assert lut[63] == 0 + assert lut[127] == 8 + assert lut[191] == 60 + assert lut[255] == 255 + + +def test_rawmode_valueerrors(tmp_path): + # Arrange + palette = ImagePalette.raw("RGB", list(range(256)) * 3) + + # Act / Assert + with pytest.raises(ValueError): + palette.tobytes() + with pytest.raises(ValueError): + palette.getcolor((1, 2, 3)) + f = str(tmp_path / "temp.lut") + with pytest.raises(ValueError): + palette.save(f) + - def test_rawmode_valueerrors(self): - # Arrange - palette = ImagePalette.raw("RGB", list(range(256))*3) +def test_getdata(): + # Arrange + data_in = list(range(256)) * 3 + palette = ImagePalette.ImagePalette("RGB", data_in) - # Act / Assert - self.assertRaises(ValueError, palette.tobytes) - self.assertRaises(ValueError, palette.getcolor, (1, 2, 3)) - f = self.tempfile("temp.lut") - self.assertRaises(ValueError, palette.save, f) + # Act + mode, data_out = palette.getdata() - def test_getdata(self): - # Arrange - data_in = list(range(256))*3 - palette = ImagePalette.ImagePalette("RGB", data_in) + # Assert + assert mode == "RGB" - # Act - mode, data_out = palette.getdata() - # Assert - self.assertEqual(mode, "RGB;L") +def test_rawmode_getdata(): + # Arrange + data_in = list(range(256)) * 3 + palette = ImagePalette.raw("RGB", data_in) - def test_rawmode_getdata(self): - # Arrange - data_in = list(range(256))*3 - palette = ImagePalette.raw("RGB", data_in) + # Act + rawmode, data_out = palette.getdata() - # Act - rawmode, data_out = palette.getdata() + # Assert + assert rawmode == "RGB" + assert data_in == data_out - # Assert - self.assertEqual(rawmode, "RGB") - self.assertEqual(data_in, data_out) - def test_2bit_palette(self): - # issue #2258, 2 bit palettes are corrupted. - outfile = self.tempfile('temp.png') +def test_2bit_palette(tmp_path): + # issue #2258, 2 bit palettes are corrupted. + outfile = str(tmp_path / "temp.png") - rgb = b'\x00' * 2 + b'\x01' * 2 + b'\x02' * 2 - img = Image.frombytes('P', (6, 1), rgb) - img.putpalette(b'\xFF\x00\x00\x00\xFF\x00\x00\x00\xFF') # RGB - img.save(outfile, format='PNG') + rgb = b"\x00" * 2 + b"\x01" * 2 + b"\x02" * 2 + img = Image.frombytes("P", (6, 1), rgb) + img.putpalette(b"\xFF\x00\x00\x00\xFF\x00\x00\x00\xFF") # RGB + img.save(outfile, format="PNG") - reloaded = Image.open(outfile) + assert_image_equal_tofile(img, outfile) - self.assert_image_equal(img, reloaded) - def test_invalid_palette(self): - self.assertRaises(IOError, - ImagePalette.load, "Tests/images/hopper.jpg") - - -if __name__ == '__main__': - unittest.main() +def test_invalid_palette(): + with pytest.raises(OSError): + ImagePalette.load("Tests/images/hopper.jpg") diff --git a/Tests/test_imagepath.py b/Tests/test_imagepath.py index 14cc4d14b3f..b18271cc5a1 100644 --- a/Tests/test_imagepath.py +++ b/Tests/test_imagepath.py @@ -1,81 +1,183 @@ -from helper import unittest, PillowTestCase - -from PIL import ImagePath, Image - import array +import math import struct +import pytest + +from PIL import Image, ImagePath + + +def test_path(): + + p = ImagePath.Path(list(range(10))) + + # sequence interface + assert len(p) == 5 + assert p[0] == (0.0, 1.0) + assert p[-1] == (8.0, 9.0) + assert list(p[:1]) == [(0.0, 1.0)] + with pytest.raises(TypeError) as cm: + p["foo"] + assert str(cm.value) == "Path indices must be integers, not str" + assert list(p) == [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)] + + # method sanity check + assert p.tolist() == [ + (0.0, 1.0), + (2.0, 3.0), + (4.0, 5.0), + (6.0, 7.0), + (8.0, 9.0), + ] + assert p.tolist(1) == [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0] + + assert p.getbbox() == (0.0, 1.0, 8.0, 9.0) + + assert p.compact(5) == 2 + assert list(p) == [(0.0, 1.0), (4.0, 5.0), (8.0, 9.0)] + + p.transform((1, 0, 1, 0, 1, 1)) + assert list(p) == [(1.0, 2.0), (5.0, 6.0), (9.0, 10.0)] + + # alternative constructors + p = ImagePath.Path([0, 1]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path([0.0, 1.0]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path([0, 1]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path([(0, 1)]) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(p) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(p.tolist(0)) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(p.tolist(1)) + assert list(p) == [(0.0, 1.0)] + p = ImagePath.Path(array.array("f", [0, 1])) + assert list(p) == [(0.0, 1.0)] + + arr = array.array("f", [0, 1]) + if hasattr(arr, "tobytes"): + p = ImagePath.Path(arr.tobytes()) + else: + p = ImagePath.Path(arr.tostring()) + assert list(p) == [(0.0, 1.0)] + + +def test_invalid_coords(): + # Arrange + coords = ["a", "b"] + + # Act / Assert + with pytest.raises(SystemError): + ImagePath.Path(coords) + + +def test_path_odd_number_of_coordinates(): + # Arrange + coords = [0] + + # Act / Assert + with pytest.raises(ValueError) as e: + ImagePath.Path(coords) + + assert str(e.value) == "wrong number of coordinates" + + +@pytest.mark.parametrize( + "coords, expected", + [ + ([0, 1, 2, 3], (0.0, 1.0, 2.0, 3.0)), + ([3, 2, 1, 0], (1.0, 0.0, 3.0, 2.0)), + (0, (0.0, 0.0, 0.0, 0.0)), + (1, (0.0, 0.0, 0.0, 0.0)), + ], +) +def test_getbbox(coords, expected): + # Arrange + p = ImagePath.Path(coords) + + # Act / Assert + assert p.getbbox() == expected + + +def test_getbbox_no_args(): + # Arrange + p = ImagePath.Path([0, 1, 2, 3]) + + # Act / Assert + with pytest.raises(TypeError): + p.getbbox(1) + + +@pytest.mark.parametrize( + "coords, expected", + [ + (0, []), + (list(range(6)), [(0.0, 3.0), (4.0, 9.0), (8.0, 15.0)]), + ], +) +def test_map(coords, expected): + # Arrange + p = ImagePath.Path(coords) + + # Act + # Modifies the path in-place + p.map(lambda x, y: (x * 2, y * 3)) + + # Assert + assert list(p) == expected + + +def test_transform(): + # Arrange + p = ImagePath.Path([0, 1, 2, 3]) + theta = math.pi / 15 + + # Act + # Affine transform, in-place + p.transform( + (math.cos(theta), math.sin(theta), 20, -math.sin(theta), math.cos(theta), 20), + ) + + # Assert + assert p.tolist() == [ + (20.20791169081776, 20.978147600733806), + (22.58003027392089, 22.518619420565898), + ] + + +def test_transform_with_wrap(): + # Arrange + p = ImagePath.Path([0, 1, 2, 3]) + theta = math.pi / 15 + + # Act + # Affine transform, in-place, with wrap parameter + p.transform( + (math.cos(theta), math.sin(theta), 20, -math.sin(theta), math.cos(theta), 20), + 1.0, + ) + + # Assert + assert p.tolist() == [ + (0.20791169081775962, 20.978147600733806), + (0.5800302739208902, 22.518619420565898), + ] -class TestImagePath(PillowTestCase): - - def test_path(self): - - p = ImagePath.Path(list(range(10))) - - # sequence interface - self.assertEqual(len(p), 5) - self.assertEqual(p[0], (0.0, 1.0)) - self.assertEqual(p[-1], (8.0, 9.0)) - self.assertEqual(list(p[:1]), [(0.0, 1.0)]) - self.assertEqual( - list(p), - [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)]) - - # method sanity check - self.assertEqual( - p.tolist(), - [(0.0, 1.0), (2.0, 3.0), (4.0, 5.0), (6.0, 7.0), (8.0, 9.0)]) - self.assertEqual( - p.tolist(1), - [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]) - - self.assertEqual(p.getbbox(), (0.0, 1.0, 8.0, 9.0)) - - self.assertEqual(p.compact(5), 2) - self.assertEqual(list(p), [(0.0, 1.0), (4.0, 5.0), (8.0, 9.0)]) - - p.transform((1, 0, 1, 0, 1, 1)) - self.assertEqual(list(p), [(1.0, 2.0), (5.0, 6.0), (9.0, 10.0)]) - - # alternative constructors - p = ImagePath.Path([0, 1]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path([0.0, 1.0]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path([0, 1]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path([(0, 1)]) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(p) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(p.tolist(0)) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(p.tolist(1)) - self.assertEqual(list(p), [(0.0, 1.0)]) - p = ImagePath.Path(array.array("f", [0, 1])) - self.assertEqual(list(p), [(0.0, 1.0)]) - - arr = array.array("f", [0, 1]) - if hasattr(arr, 'tobytes'): - p = ImagePath.Path(arr.tobytes()) - else: - p = ImagePath.Path(arr.tostring()) - self.assertEqual(list(p), [(0.0, 1.0)]) - - def test_overflow_segfault(self): - # Some Pythons fail getting the argument as an integer, and it falls - # through to the sequence. Seeing this on 32-bit Windows. - with self.assertRaises((TypeError, MemoryError)): - # post patch, this fails with a memory error - x = evil() - - # This fails due to the invalid malloc above, - # and segfaults - for i in range(200000): - if str is bytes: - x[i] = "0"*16 - else: - x[i] = b'0'*16 + +def test_overflow_segfault(): + # Some Pythons fail getting the argument as an integer, and it falls + # through to the sequence. Seeing this on 32-bit Windows. + with pytest.raises((TypeError, MemoryError)): + # post patch, this fails with a memory error + x = evil() + + # This fails due to the invalid malloc above, + # and segfaults + for i in range(200000): + x[i] = b"0" * 16 class evil: @@ -88,7 +190,3 @@ def __getitem__(self, i): def __setitem__(self, i, x): self.corrupt[i] = struct.unpack("dd", x) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_imageqt.py b/Tests/test_imageqt.py index d3de5875bef..589cb5a210a 100644 --- a/Tests/test_imageqt.py +++ b/Tests/test_imageqt.py @@ -1,80 +1,62 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import ImageQt +from .helper import assert_image_similar, hopper + +pytestmark = pytest.mark.skipif( + not ImageQt.qt_is_installed, reason="Qt bindings are not installed" +) if ImageQt.qt_is_installed: from PIL.ImageQt import qRgba - def skip_if_qt_is_not_installed(_): - pass -else: - def skip_if_qt_is_not_installed(test_case): - test_case.skipTest('Qt bindings are not installed') - - -class PillowQtTestCase(object): - - def setUp(self): - skip_if_qt_is_not_installed(self) - - def tearDown(self): - pass - - -class PillowQPixmapTestCase(PillowQtTestCase): - - def setUp(self): - PillowQtTestCase.setUp(self) - try: - if ImageQt.qt_version == '5': - from PyQt5.QtGui import QGuiApplication - elif ImageQt.qt_version == '4': - from PyQt4.QtGui import QGuiApplication - elif ImageQt.qt_version == 'side': - from PySide.QtGui import QGuiApplication - except ImportError: - self.skipTest('QGuiApplication not installed') - - self.app = QGuiApplication([]) - - def tearDown(self): - PillowQtTestCase.tearDown(self) - self.app.quit() - - -class TestImageQt(PillowQtTestCase, PillowTestCase): - - def test_rgb(self): - # from https://doc.qt.io/qt-4.8/qcolor.html - # typedef QRgb - # An ARGB quadruplet on the format #AARRGGBB, - # equivalent to an unsigned int. - if ImageQt.qt_version == '5': - from PyQt5.QtGui import qRgb - elif ImageQt.qt_version == '4': - from PyQt4.QtGui import qRgb - elif ImageQt.qt_version == 'side': - from PySide.QtGui import qRgb - - self.assertEqual(qRgb(0, 0, 0), qRgba(0, 0, 0, 255)) - - def checkrgb(r, g, b): - val = ImageQt.rgb(r, g, b) - val = val % 2**24 # drop the alpha - self.assertEqual(val >> 16, r) - self.assertEqual(((val >> 8) % 2**8), g) - self.assertEqual(val % 2**8, b) - - checkrgb(0, 0, 0) - checkrgb(255, 0, 0) - checkrgb(0, 255, 0) - checkrgb(0, 0, 255) - - def test_image(self): - for mode in ('1', 'RGB', 'RGBA', 'L', 'P'): - ImageQt.ImageQt(hopper(mode)) - -if __name__ == '__main__': - unittest.main() +def test_rgb(): + # from https://doc.qt.io/archives/qt-4.8/qcolor.html + # typedef QRgb + # An ARGB quadruplet on the format #AARRGGBB, + # equivalent to an unsigned int. + if ImageQt.qt_version == "6": + from PyQt6.QtGui import qRgb + elif ImageQt.qt_version == "side6": + from PySide6.QtGui import qRgb + elif ImageQt.qt_version == "5": + from PyQt5.QtGui import qRgb + elif ImageQt.qt_version == "side2": + from PySide2.QtGui import qRgb + + assert qRgb(0, 0, 0) == qRgba(0, 0, 0, 255) + + def checkrgb(r, g, b): + val = ImageQt.rgb(r, g, b) + val = val % 2 ** 24 # drop the alpha + assert val >> 16 == r + assert ((val >> 8) % 2 ** 8) == g + assert val % 2 ** 8 == b + + checkrgb(0, 0, 0) + checkrgb(255, 0, 0) + checkrgb(0, 255, 0) + checkrgb(0, 0, 255) + + +def test_image(): + modes = ["1", "RGB", "RGBA", "L", "P"] + qt_format = ImageQt.QImage.Format if ImageQt.qt_version == "6" else ImageQt.QImage + if hasattr(qt_format, "Format_Grayscale16"): # Qt 5.13+ + modes.append("I;16") + + for mode in modes: + im = hopper(mode) + roundtripped_im = ImageQt.fromqimage(ImageQt.ImageQt(im)) + if mode not in ("RGB", "RGBA"): + im = im.convert("RGB") + assert_image_similar(roundtripped_im, im, 1) + + +def test_closed_file(): + with pytest.warns(None) as record: + ImageQt.ImageQt("Tests/images/hopper.gif") + + assert not record diff --git a/Tests/test_imagesequence.py b/Tests/test_imagesequence.py index 2a4a358ba8f..7cf237b4654 100644 --- a/Tests/test_imagesequence.py +++ b/Tests/test_imagesequence.py @@ -1,74 +1,106 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image, ImageSequence, TiffImagePlugin +from .helper import assert_image_equal, hopper, skip_unless_feature -class TestImageSequence(PillowTestCase): - def test_sanity(self): +def test_sanity(tmp_path): - test_file = self.tempfile("temp.im") + test_file = str(tmp_path / "temp.im") - im = hopper("RGB") - im.save(test_file) + im = hopper("RGB") + im.save(test_file) - seq = ImageSequence.Iterator(im) + seq = ImageSequence.Iterator(im) - index = 0 - for frame in seq: - self.assert_image_equal(im, frame) - self.assertEqual(im.tell(), index) - index += 1 + index = 0 + for frame in seq: + assert_image_equal(im, frame) + assert im.tell() == index + index += 1 - self.assertEqual(index, 1) + assert index == 1 - self.assertRaises(AttributeError, ImageSequence.Iterator, 0) + with pytest.raises(AttributeError): + ImageSequence.Iterator(0) - def test_iterator(self): - im = Image.open('Tests/images/multipage.tiff') + +def test_iterator(): + with Image.open("Tests/images/multipage.tiff") as im: i = ImageSequence.Iterator(im) for index in range(0, im.n_frames): - self.assertEqual(i[index], next(i)) - self.assertRaises(IndexError, lambda: i[index+1]) - self.assertRaises(StopIteration, next, i) + assert i[index] == next(i) + with pytest.raises(IndexError): + i[index + 1] + with pytest.raises(StopIteration): + next(i) + + +def test_iterator_min_frame(): + with Image.open("Tests/images/hopper.psd") as im: + i = ImageSequence.Iterator(im) + for index in range(1, im.n_frames): + assert i[index] == next(i) + - def _test_multipage_tiff(self): - im = Image.open('Tests/images/multipage.tiff') +def _test_multipage_tiff(): + with Image.open("Tests/images/multipage.tiff") as im: for index, frame in enumerate(ImageSequence.Iterator(im)): frame.load() - self.assertEqual(index, im.tell()) - frame.convert('RGB') + assert index == im.tell() + frame.convert("RGB") + - def test_tiff(self): - self._test_multipage_tiff() +def test_tiff(): + _test_multipage_tiff() - def test_libtiff(self): - codecs = dir(Image.core) - if "libtiff_encoder" not in codecs or "libtiff_decoder" not in codecs: - self.skipTest("tiff support not available") +@skip_unless_feature("libtiff") +def test_libtiff(): + TiffImagePlugin.READ_LIBTIFF = True + _test_multipage_tiff() + TiffImagePlugin.READ_LIBTIFF = False - TiffImagePlugin.READ_LIBTIFF = True - self._test_multipage_tiff() - TiffImagePlugin.READ_LIBTIFF = False - def test_consecutive(self): - im = Image.open('Tests/images/multipage.tiff') +def test_consecutive(): + with Image.open("Tests/images/multipage.tiff") as im: firstFrame = None for frame in ImageSequence.Iterator(im): if firstFrame is None: firstFrame = frame.copy() for frame in ImageSequence.Iterator(im): - self.assert_image_equal(frame, firstFrame) + assert_image_equal(frame, firstFrame) break - def test_palette_mmap(self): - # Using mmap in ImageFile can require to reload the palette. - im = Image.open('Tests/images/multipage-mmap.tiff') + +def test_palette_mmap(): + # Using mmap in ImageFile can require to reload the palette. + with Image.open("Tests/images/multipage-mmap.tiff") as im: color1 = im.getpalette()[0:3] im.seek(0) color2 = im.getpalette()[0:3] - self.assertEqual(color1, color2) + assert color1 == color2 + + +def test_all_frames(): + # Test a single image + with Image.open("Tests/images/iss634.gif") as im: + ims = ImageSequence.all_frames(im) + + assert len(ims) == 42 + for i, im_frame in enumerate(ims): + assert im_frame is not im + + im.seek(i) + assert_image_equal(im, im_frame) + + # Test a series of images + ims = ImageSequence.all_frames([im, hopper(), im]) + assert len(ims) == 85 -if __name__ == '__main__': - unittest.main() + # Test an operation + ims = ImageSequence.all_frames(im, lambda im_frame: im_frame.rotate(90)) + for i, im_frame in enumerate(ims): + im.seek(i) + assert_image_equal(im.rotate(90), im_frame) diff --git a/Tests/test_imageshow.py b/Tests/test_imageshow.py index da91e35c77f..5981e22c012 100644 --- a/Tests/test_imageshow.py +++ b/Tests/test_imageshow.py @@ -1,40 +1,81 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image -from PIL import ImageShow +from PIL import Image, ImageShow +from .helper import hopper, is_win32, on_ci -class TestImageShow(PillowTestCase): - def test_sanity(self): - dir(Image) - dir(ImageShow) +def test_sanity(): + dir(Image) + dir(ImageShow) - def test_register(self): - # Test registering a viewer that is not a class - ImageShow.register("not a class") - def test_show(self): - class TestViewer: - methodCalled = False +def test_register(): + # Test registering a viewer that is not a class + ImageShow.register("not a class") - def show(self, image, title=None, **options): - self.methodCalled = True - return True - viewer = TestViewer() - ImageShow.register(viewer, -1) + # Restore original state + ImageShow._viewers.pop() - im = hopper() - self.assertTrue(ImageShow.show(im)) - self.assertTrue(viewer.methodCalled) - def test_viewer(self): - viewer = ImageShow.Viewer() +@pytest.mark.parametrize( + "order", + [-1, 0], +) +def test_viewer_show(order): + class TestViewer(ImageShow.Viewer): + def show_image(self, image, **options): + self.methodCalled = True + return True - self.assertIsNone(viewer.get_format(None)) + viewer = TestViewer() + ImageShow.register(viewer, order) - self.assertRaises(NotImplementedError, viewer.get_command, None) + for mode in ("1", "I;16", "LA", "RGB", "RGBA"): + viewer.methodCalled = False + with hopper(mode) as im: + assert ImageShow.show(im) + assert viewer.methodCalled + # Restore original state + ImageShow._viewers.pop(0) -if __name__ == '__main__': - unittest.main() + +@pytest.mark.skipif( + not on_ci() or is_win32(), + reason="Only run on CIs; hangs on Windows CIs", +) +def test_show(): + for mode in ("1", "I;16", "LA", "RGB", "RGBA"): + im = hopper(mode) + assert ImageShow.show(im) + + +def test_viewer(): + viewer = ImageShow.Viewer() + + assert viewer.get_format(None) is None + + with pytest.raises(NotImplementedError): + viewer.get_command(None) + + +def test_viewers(): + for viewer in ImageShow._viewers: + try: + viewer.get_command("test.jpg") + except NotImplementedError: + pass + + +def test_ipythonviewer(): + pytest.importorskip("IPython", reason="IPython not installed") + for viewer in ImageShow._viewers: + if isinstance(viewer, ImageShow.IPythonViewer): + test_viewer = viewer + break + else: + assert False + + im = hopper() + assert test_viewer.show(im) == 1 diff --git a/Tests/test_imagestat.py b/Tests/test_imagestat.py index 77eb0aac198..9474ff6f9ba 100644 --- a/Tests/test_imagestat.py +++ b/Tests/test_imagestat.py @@ -1,61 +1,60 @@ -from helper import unittest, PillowTestCase, hopper +import pytest -from PIL import Image -from PIL import ImageStat +from PIL import Image, ImageStat +from .helper import hopper -class TestImageStat(PillowTestCase): - def test_sanity(self): +def test_sanity(): - im = hopper() + im = hopper() - st = ImageStat.Stat(im) - st = ImageStat.Stat(im.histogram()) - st = ImageStat.Stat(im, Image.new("1", im.size, 1)) + st = ImageStat.Stat(im) + st = ImageStat.Stat(im.histogram()) + st = ImageStat.Stat(im, Image.new("1", im.size, 1)) - # Check these run. Exceptions will cause failures. - st.extrema - st.sum - st.mean - st.median - st.rms - st.sum2 - st.var - st.stddev + # Check these run. Exceptions will cause failures. + st.extrema + st.sum + st.mean + st.median + st.rms + st.sum2 + st.var + st.stddev - self.assertRaises(AttributeError, lambda: st.spam) + with pytest.raises(AttributeError): + st.spam() - self.assertRaises(TypeError, ImageStat.Stat, 1) + with pytest.raises(TypeError): + ImageStat.Stat(1) - def test_hopper(self): - im = hopper() +def test_hopper(): - st = ImageStat.Stat(im) + im = hopper() - # verify a few values - self.assertEqual(st.extrema[0], (0, 255)) - self.assertEqual(st.median[0], 72) - self.assertEqual(st.sum[0], 1470218) - self.assertEqual(st.sum[1], 1311896) - self.assertEqual(st.sum[2], 1563008) + st = ImageStat.Stat(im) - def test_constant(self): + # verify a few values + assert st.extrema[0] == (0, 255) + assert st.median[0] == 72 + assert st.sum[0] == 1470218 + assert st.sum[1] == 1311896 + assert st.sum[2] == 1563008 - im = Image.new("L", (128, 128), 128) - st = ImageStat.Stat(im) +def test_constant(): - self.assertEqual(st.extrema[0], (128, 128)) - self.assertEqual(st.sum[0], 128**3) - self.assertEqual(st.sum2[0], 128**4) - self.assertEqual(st.mean[0], 128) - self.assertEqual(st.median[0], 128) - self.assertEqual(st.rms[0], 128) - self.assertEqual(st.var[0], 0) - self.assertEqual(st.stddev[0], 0) + im = Image.new("L", (128, 128), 128) + st = ImageStat.Stat(im) -if __name__ == '__main__': - unittest.main() + assert st.extrema[0] == (128, 128) + assert st.sum[0] == 128 ** 3 + assert st.sum2[0] == 128 ** 4 + assert st.mean[0] == 128 + assert st.median[0] == 128 + assert st.rms[0] == 128 + assert st.var[0] == 0 + assert st.stddev[0] == 0 diff --git a/Tests/test_imagetk.py b/Tests/test_imagetk.py index fbf48a1b6eb..928b8cbd188 100644 --- a/Tests/test_imagetk.py +++ b/Tests/test_imagetk.py @@ -1,90 +1,92 @@ -from helper import unittest, PillowTestCase, hopper +import pytest + from PIL import Image +from .helper import assert_image_equal, hopper try: + import tkinter as tk + from PIL import ImageTk - import Tkinter as tk + dir(ImageTk) HAS_TK = True -except (OSError, ImportError) as v: - # Skipped via setUp() +except (OSError, ImportError): + # Skipped via pytestmark HAS_TK = False -TK_MODES = ('1', 'L', 'P', 'RGB', 'RGBA') +TK_MODES = ("1", "L", "P", "RGB", "RGBA") -class TestImageTk(PillowTestCase): +pytestmark = pytest.mark.skipif(not HAS_TK, reason="Tk not installed") - def setUp(self): - if not HAS_TK: - self.skipTest("Tk not installed") - try: - # setup tk - app = tk.Frame() - # root = tk.Tk() - except (tk.TclError) as v: - self.skipTest("TCL Error: %s" % v) - def test_kw(self): - TEST_JPG = "Tests/images/hopper.jpg" - TEST_PNG = "Tests/images/hopper.png" - im1 = Image.open(TEST_JPG) - im2 = Image.open(TEST_PNG) - with open(TEST_PNG, 'rb') as fp: - data = fp.read() - kw = {"file": TEST_JPG, "data": data} +def setup_module(): + try: + # setup tk + tk.Frame() + # root = tk.Tk() + except tk.TclError as v: + pytest.skip(f"TCL Error: {v}") - # Test "file" - im = ImageTk._get_image_from_kw(kw) - self.assert_image_equal(im, im1) - # Test "data" - im = ImageTk._get_image_from_kw(kw) - self.assert_image_equal(im, im2) +def test_kw(): + TEST_JPG = "Tests/images/hopper.jpg" + TEST_PNG = "Tests/images/hopper.png" + with Image.open(TEST_JPG) as im1: + with Image.open(TEST_PNG) as im2: + with open(TEST_PNG, "rb") as fp: + data = fp.read() + kw = {"file": TEST_JPG, "data": data} - # Test no relevant entry - im = ImageTk._get_image_from_kw(kw) - self.assertIsNone(im) + # Test "file" + im = ImageTk._get_image_from_kw(kw) + assert_image_equal(im, im1) - def test_photoimage(self): - for mode in TK_MODES: - # test as image: - im = hopper(mode) + # Test "data" + im = ImageTk._get_image_from_kw(kw) + assert_image_equal(im, im2) - # this should not crash - im_tk = ImageTk.PhotoImage(im) + # Test no relevant entry + im = ImageTk._get_image_from_kw(kw) + assert im is None - self.assertEqual(im_tk.width(), im.width) - self.assertEqual(im_tk.height(), im.height) - # _tkinter.TclError: this function is not yet supported - # reloaded = ImageTk.getimage(im_tk) - # self.assert_image_equal(reloaded, im) +def test_photoimage(): + for mode in TK_MODES: + # test as image: + im = hopper(mode) - def test_photoimage_blank(self): - # test a image using mode/size: - for mode in TK_MODES: - im_tk = ImageTk.PhotoImage(mode, (100, 100)) + # this should not crash + im_tk = ImageTk.PhotoImage(im) - self.assertEqual(im_tk.width(), 100) - self.assertEqual(im_tk.height(), 100) + assert im_tk.width() == im.width + assert im_tk.height() == im.height - # reloaded = ImageTk.getimage(im_tk) - # self.assert_image_equal(reloaded, im) + reloaded = ImageTk.getimage(im_tk) + assert_image_equal(reloaded, im.convert("RGBA")) - def test_bitmapimage(self): - im = hopper('1') - # this should not crash - im_tk = ImageTk.BitmapImage(im) +def test_photoimage_blank(): + # test a image using mode/size: + for mode in TK_MODES: + im_tk = ImageTk.PhotoImage(mode, (100, 100)) - self.assertEqual(im_tk.width(), im.width) - self.assertEqual(im_tk.height(), im.height) + assert im_tk.width() == 100 + assert im_tk.height() == 100 # reloaded = ImageTk.getimage(im_tk) - # self.assert_image_equal(reloaded, im) + # assert_image_equal(reloaded, im) + + +def test_bitmapimage(): + im = hopper("1") + + # this should not crash + im_tk = ImageTk.BitmapImage(im) + assert im_tk.width() == im.width + assert im_tk.height() == im.height -if __name__ == '__main__': - unittest.main() + # reloaded = ImageTk.getimage(im_tk) + # assert_image_equal(reloaded, im) diff --git a/Tests/test_imagewin.py b/Tests/test_imagewin.py index 70bf28247d6..9d64d17a30f 100644 --- a/Tests/test_imagewin.py +++ b/Tests/test_imagewin.py @@ -1,11 +1,11 @@ -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import ImageWin -import sys +from .helper import hopper, is_win32 -class TestImageWin(PillowTestCase): +class TestImageWin: def test_sanity(self): dir(ImageWin) @@ -18,7 +18,7 @@ def test_hdc(self): dc2 = int(hdc) # Assert - self.assertEqual(dc2, 50) + assert dc2 == 50 def test_hwnd(self): # Arrange @@ -29,12 +29,11 @@ def test_hwnd(self): wnd2 = int(hwnd) # Assert - self.assertEqual(wnd2, 50) + assert wnd2 == 50 -@unittest.skipUnless(sys.platform.startswith('win32'), "Windows only") -class TestImageWinDib(PillowTestCase): - +@pytest.mark.skipif(not is_win32(), reason="Windows only") +class TestImageWinDib: def test_dib_image(self): # Arrange im = hopper() @@ -43,7 +42,7 @@ def test_dib_image(self): dib = ImageWin.Dib(im) # Assert - self.assertEqual(dib.size, im.size) + assert dib.size == im.size def test_dib_mode_string(self): # Arrange @@ -54,7 +53,7 @@ def test_dib_mode_string(self): dib = ImageWin.Dib(mode, size) # Assert - self.assertEqual(dib.size, (128, 128)) + assert dib.size == (128, 128) def test_dib_paste(self): # Arrange @@ -68,7 +67,7 @@ def test_dib_paste(self): dib.paste(im) # Assert - self.assertEqual(dib.size, (128, 128)) + assert dib.size == (128, 128) def test_dib_paste_bbox(self): # Arrange @@ -83,7 +82,7 @@ def test_dib_paste_bbox(self): dib.paste(im, bbox) # Assert - self.assertEqual(dib.size, (128, 128)) + assert dib.size == (128, 128) def test_dib_frombytes_tobytes_roundtrip(self): # Arrange @@ -96,7 +95,7 @@ def test_dib_frombytes_tobytes_roundtrip(self): dib2 = ImageWin.Dib(mode, size) # Confirm they're different - self.assertNotEqual(dib1.tobytes(), dib2.tobytes()) + assert dib1.tobytes() != dib2.tobytes() # Act # Make one the same as the using tobytes()/frombytes() @@ -105,8 +104,4 @@ def test_dib_frombytes_tobytes_roundtrip(self): # Assert # Confirm they're the same - self.assertEqual(dib1.tobytes(), dib2.tobytes()) - - -if __name__ == '__main__': - unittest.main() + assert dib1.tobytes() == dib2.tobytes() diff --git a/Tests/test_imagewin_pointers.py b/Tests/test_imagewin_pointers.py index 7178d8cb8a0..c51a66089c8 100644 --- a/Tests/test_imagewin_pointers.py +++ b/Tests/test_imagewin_pointers.py @@ -1,39 +1,39 @@ -from helper import unittest, PillowTestCase, hopper -from PIL import Image, ImageWin - -import sys import ctypes from io import BytesIO +from PIL import Image, ImageWin + +from .helper import hopper, is_win32 + # see https://github.com/python-pillow/Pillow/pull/1431#issuecomment-144692652 -if sys.platform.startswith('win32'): +if is_win32(): import ctypes.wintypes class BITMAPFILEHEADER(ctypes.Structure): _pack_ = 2 _fields_ = [ - ('bfType', ctypes.wintypes.WORD), - ('bfSize', ctypes.wintypes.DWORD), - ('bfReserved1', ctypes.wintypes.WORD), - ('bfReserved2', ctypes.wintypes.WORD), - ('bfOffBits', ctypes.wintypes.DWORD), + ("bfType", ctypes.wintypes.WORD), + ("bfSize", ctypes.wintypes.DWORD), + ("bfReserved1", ctypes.wintypes.WORD), + ("bfReserved2", ctypes.wintypes.WORD), + ("bfOffBits", ctypes.wintypes.DWORD), ] class BITMAPINFOHEADER(ctypes.Structure): _pack_ = 2 _fields_ = [ - ('biSize', ctypes.wintypes.DWORD), - ('biWidth', ctypes.wintypes.LONG), - ('biHeight', ctypes.wintypes.LONG), - ('biPlanes', ctypes.wintypes.WORD), - ('biBitCount', ctypes.wintypes.WORD), - ('biCompression', ctypes.wintypes.DWORD), - ('biSizeImage', ctypes.wintypes.DWORD), - ('biXPelsPerMeter', ctypes.wintypes.LONG), - ('biYPelsPerMeter', ctypes.wintypes.LONG), - ('biClrUsed', ctypes.wintypes.DWORD), - ('biClrImportant', ctypes.wintypes.DWORD), + ("biSize", ctypes.wintypes.DWORD), + ("biWidth", ctypes.wintypes.LONG), + ("biHeight", ctypes.wintypes.LONG), + ("biPlanes", ctypes.wintypes.WORD), + ("biBitCount", ctypes.wintypes.WORD), + ("biCompression", ctypes.wintypes.DWORD), + ("biSizeImage", ctypes.wintypes.DWORD), + ("biXPelsPerMeter", ctypes.wintypes.LONG), + ("biYPelsPerMeter", ctypes.wintypes.LONG), + ("biClrUsed", ctypes.wintypes.DWORD), + ("biClrImportant", ctypes.wintypes.DWORD), ] BI_RGB = 0 @@ -57,15 +57,19 @@ class BITMAPINFOHEADER(ctypes.Structure): DeleteObject.argtypes = [ctypes.wintypes.HGDIOBJ] CreateDIBSection = ctypes.windll.gdi32.CreateDIBSection - CreateDIBSection.argtypes = [ctypes.wintypes.HDC, ctypes.c_void_p, - ctypes.c_uint, - ctypes.POINTER(ctypes.c_void_p), - ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD] + CreateDIBSection.argtypes = [ + ctypes.wintypes.HDC, + ctypes.c_void_p, + ctypes.c_uint, + ctypes.POINTER(ctypes.c_void_p), + ctypes.wintypes.HANDLE, + ctypes.wintypes.DWORD, + ] CreateDIBSection.restype = ctypes.wintypes.HBITMAP def serialize_dib(bi, pixels): bf = BITMAPFILEHEADER() - bf.bfType = 0x4d42 + bf.bfType = 0x4D42 bf.bfOffBits = ctypes.sizeof(bf) + bi.biSize bf.bfSize = bf.bfOffBits + bi.biSizeImage bf.bfReserved1 = bf.bfReserved2 = 0 @@ -77,37 +81,34 @@ def serialize_dib(bi, pixels): memcpy(bp + bf.bfOffBits, pixels, bi.biSizeImage) return bytearray(buf) - class TestImageWinPointers(PillowTestCase): - def test_pointer(self): - im = hopper() - (width, height) = im.size - opath = self.tempfile('temp.png') - imdib = ImageWin.Dib(im) - - hdr = BITMAPINFOHEADER() - hdr.biSize = ctypes.sizeof(hdr) - hdr.biWidth = width - hdr.biHeight = height - hdr.biPlanes = 1 - hdr.biBitCount = 32 - hdr.biCompression = BI_RGB - hdr.biSizeImage = width * height * 4 - hdr.biClrUsed = 0 - hdr.biClrImportant = 0 - - hdc = CreateCompatibleDC(None) - # print('hdc:',hex(hdc)) - pixels = ctypes.c_void_p() - dib = CreateDIBSection(hdc, ctypes.byref(hdr), DIB_RGB_COLORS, - ctypes.byref(pixels), None, 0) - SelectObject(hdc, dib) - - imdib.expose(hdc) - bitmap = serialize_dib(hdr, pixels) - DeleteObject(dib) - DeleteDC(hdc) - - Image.open(BytesIO(bitmap)).save(opath) - -if __name__ == '__main__': - unittest.main() + def test_pointer(tmp_path): + im = hopper() + (width, height) = im.size + opath = str(tmp_path / "temp.png") + imdib = ImageWin.Dib(im) + + hdr = BITMAPINFOHEADER() + hdr.biSize = ctypes.sizeof(hdr) + hdr.biWidth = width + hdr.biHeight = height + hdr.biPlanes = 1 + hdr.biBitCount = 32 + hdr.biCompression = BI_RGB + hdr.biSizeImage = width * height * 4 + hdr.biClrUsed = 0 + hdr.biClrImportant = 0 + + hdc = CreateCompatibleDC(None) + pixels = ctypes.c_void_p() + dib = CreateDIBSection( + hdc, ctypes.byref(hdr), DIB_RGB_COLORS, ctypes.byref(pixels), None, 0 + ) + SelectObject(hdc, dib) + + imdib.expose(hdc) + bitmap = serialize_dib(hdr, pixels) + DeleteObject(dib) + DeleteDC(hdc) + + with Image.open(BytesIO(bitmap)) as im: + im.save(opath) diff --git a/Tests/test_lib_image.py b/Tests/test_lib_image.py index aefee2e0800..37ed3659d0a 100644 --- a/Tests/test_lib_image.py +++ b/Tests/test_lib_image.py @@ -1,37 +1,33 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import Image -class TestLibImage(PillowTestCase): +def test_setmode(): - def test_setmode(self): + im = Image.new("L", (1, 1), 255) + im.im.setmode("1") + assert im.im.getpixel((0, 0)) == 255 + im.im.setmode("L") + assert im.im.getpixel((0, 0)) == 255 - im = Image.new("L", (1, 1), 255) - im.im.setmode("1") - self.assertEqual(im.im.getpixel((0, 0)), 255) - im.im.setmode("L") - self.assertEqual(im.im.getpixel((0, 0)), 255) - - im = Image.new("1", (1, 1), 1) - im.im.setmode("L") - self.assertEqual(im.im.getpixel((0, 0)), 255) - im.im.setmode("1") - self.assertEqual(im.im.getpixel((0, 0)), 255) + im = Image.new("1", (1, 1), 1) + im.im.setmode("L") + assert im.im.getpixel((0, 0)) == 255 + im.im.setmode("1") + assert im.im.getpixel((0, 0)) == 255 - im = Image.new("RGB", (1, 1), (1, 2, 3)) - im.im.setmode("RGB") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3)) - im.im.setmode("RGBA") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3, 255)) - im.im.setmode("RGBX") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3, 255)) - im.im.setmode("RGB") - self.assertEqual(im.im.getpixel((0, 0)), (1, 2, 3)) + im = Image.new("RGB", (1, 1), (1, 2, 3)) + im.im.setmode("RGB") + assert im.im.getpixel((0, 0)) == (1, 2, 3) + im.im.setmode("RGBA") + assert im.im.getpixel((0, 0)) == (1, 2, 3, 255) + im.im.setmode("RGBX") + assert im.im.getpixel((0, 0)) == (1, 2, 3, 255) + im.im.setmode("RGB") + assert im.im.getpixel((0, 0)) == (1, 2, 3) - self.assertRaises(ValueError, im.im.setmode, "L") - self.assertRaises(ValueError, im.im.setmode, "RGBABCDE") - - -if __name__ == '__main__': - unittest.main() + with pytest.raises(ValueError): + im.im.setmode("L") + with pytest.raises(ValueError): + im.im.setmode("RGBABCDE") diff --git a/Tests/test_lib_pack.py b/Tests/test_lib_pack.py index c5eb2686cf5..af7eae935f6 100644 --- a/Tests/test_lib_pack.py +++ b/Tests/test_lib_pack.py @@ -1,14 +1,13 @@ import sys -from helper import unittest, PillowTestCase, py3 +import pytest from PIL import Image - X = 255 -class TestLibPack(PillowTestCase): +class TestLibPack: def assert_pack(self, mode, rawmode, data, *pixels): """ data - either raw bytes with data or just number of bytes in rawmode. @@ -17,226 +16,273 @@ def assert_pack(self, mode, rawmode, data, *pixels): for x, pixel in enumerate(pixels): im.putpixel((x, 0), pixel) - if isinstance(data, (int)): + if isinstance(data, int): data_len = data * len(pixels) - data = bytes(bytearray(range(1, data_len + 1))) + data = bytes(range(1, data_len + 1)) - self.assertEqual(data, im.tobytes("raw", rawmode)) + assert data == im.tobytes("raw", rawmode) def test_1(self): - self.assert_pack("1", "1", b'\x01', 0,0,0,0,0,0,0,X) - self.assert_pack("1", "1;I", b'\x01', X,X,X,X,X,X,X,0) - self.assert_pack("1", "1;R", b'\x01', X,0,0,0,0,0,0,0) - self.assert_pack("1", "1;IR", b'\x01', 0,X,X,X,X,X,X,X) + self.assert_pack("1", "1", b"\x01", 0, 0, 0, 0, 0, 0, 0, X) + self.assert_pack("1", "1;I", b"\x01", X, X, X, X, X, X, X, 0) + self.assert_pack("1", "1;R", b"\x01", X, 0, 0, 0, 0, 0, 0, 0) + self.assert_pack("1", "1;IR", b"\x01", 0, X, X, X, X, X, X, X) - self.assert_pack("1", "1", b'\xaa', X,0,X,0,X,0,X,0) - self.assert_pack("1", "1;I", b'\xaa', 0,X,0,X,0,X,0,X) - self.assert_pack("1", "1;R", b'\xaa', 0,X,0,X,0,X,0,X) - self.assert_pack("1", "1;IR", b'\xaa', X,0,X,0,X,0,X,0) + self.assert_pack("1", "1", b"\xaa", X, 0, X, 0, X, 0, X, 0) + self.assert_pack("1", "1;I", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_pack("1", "1;R", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_pack("1", "1;IR", b"\xaa", X, 0, X, 0, X, 0, X, 0) - self.assert_pack("1", "L", b'\xff\x00\x00\xff\x00\x00', X,0,0,X,0,0) + self.assert_pack("1", "L", b"\xff\x00\x00\xff\x00\x00", X, 0, 0, X, 0, 0) def test_L(self): - self.assert_pack("L", "L", 1, 1,2,3,4) - self.assert_pack("L", "L;16", b'\x00\xc6\x00\xaf', 198, 175) - self.assert_pack("L", "L;16B", b'\xc6\x00\xaf\x00', 198, 175) + self.assert_pack("L", "L", 1, 1, 2, 3, 4) + self.assert_pack("L", "L;16", b"\x00\xc6\x00\xaf", 198, 175) + self.assert_pack("L", "L;16B", b"\xc6\x00\xaf\x00", 198, 175) def test_LA(self): - self.assert_pack("LA", "LA", 2, (1,2), (3,4), (5,6)) - self.assert_pack("LA", "LA;L", 2, (1,4), (2,5), (3,6)) + self.assert_pack("LA", "LA", 2, (1, 2), (3, 4), (5, 6)) + self.assert_pack("LA", "LA;L", 2, (1, 4), (2, 5), (3, 6)) + + def test_La(self): + self.assert_pack("La", "La", 2, (1, 2), (3, 4), (5, 6)) def test_P(self): - self.assert_pack("P", "P;1", b'\xe4', 1, 1, 1, 0, 0, 255, 0, 0) - self.assert_pack("P", "P;2", b'\xe4', 3, 2, 1, 0) - self.assert_pack("P", "P;4", b'\x02\xef', 0, 2, 14, 15) + self.assert_pack("P", "P;1", b"\xe4", 1, 1, 1, 0, 0, 255, 0, 0) + self.assert_pack("P", "P;2", b"\xe4", 3, 2, 1, 0) + self.assert_pack("P", "P;4", b"\x02\xef", 0, 2, 14, 15) self.assert_pack("P", "P", 1, 1, 2, 3, 4) def test_PA(self): - self.assert_pack("PA", "PA", 2, (1,2), (3,4), (5,6)) - self.assert_pack("PA", "PA;L", 2, (1,4), (2,5), (3,6)) + self.assert_pack("PA", "PA", 2, (1, 2), (3, 4), (5, 6)) + self.assert_pack("PA", "PA;L", 2, (1, 4), (2, 5), (3, 6)) def test_RGB(self): - self.assert_pack("RGB", "RGB", 3, (1,2,3), (4,5,6), (7,8,9)) - self.assert_pack("RGB", "RGBX", - b'\x01\x02\x03\xff\x05\x06\x07\xff', (1,2,3), (5,6,7)) - self.assert_pack("RGB", "XRGB", - b'\x00\x02\x03\x04\x00\x06\x07\x08', (2,3,4), (6,7,8)) - self.assert_pack("RGB", "BGR", 3, (3,2,1), (6,5,4), (9,8,7)) - self.assert_pack("RGB", "BGRX", - b'\x01\x02\x03\x00\x05\x06\x07\x00', (3,2,1), (7,6,5)) - self.assert_pack("RGB", "XBGR", - b'\x00\x02\x03\x04\x00\x06\x07\x08', (4,3,2), (8,7,6)) - self.assert_pack("RGB", "RGB;L", 3, (1,4,7), (2,5,8), (3,6,9)) - self.assert_pack("RGB", "R", 1, (1,9,9), (2,9,9), (3,9,9)) - self.assert_pack("RGB", "G", 1, (9,1,9), (9,2,9), (9,3,9)) - self.assert_pack("RGB", "B", 1, (9,9,1), (9,9,2), (9,9,3)) + self.assert_pack("RGB", "RGB", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_pack( + "RGB", "RGBX", b"\x01\x02\x03\xff\x05\x06\x07\xff", (1, 2, 3), (5, 6, 7) + ) + self.assert_pack( + "RGB", "XRGB", b"\x00\x02\x03\x04\x00\x06\x07\x08", (2, 3, 4), (6, 7, 8) + ) + self.assert_pack("RGB", "BGR", 3, (3, 2, 1), (6, 5, 4), (9, 8, 7)) + self.assert_pack( + "RGB", "BGRX", b"\x01\x02\x03\x00\x05\x06\x07\x00", (3, 2, 1), (7, 6, 5) + ) + self.assert_pack( + "RGB", "XBGR", b"\x00\x02\x03\x04\x00\x06\x07\x08", (4, 3, 2), (8, 7, 6) + ) + self.assert_pack("RGB", "RGB;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_pack("RGB", "R", 1, (1, 9, 9), (2, 9, 9), (3, 9, 9)) + self.assert_pack("RGB", "G", 1, (9, 1, 9), (9, 2, 9), (9, 3, 9)) + self.assert_pack("RGB", "B", 1, (9, 9, 1), (9, 9, 2), (9, 9, 3)) def test_RGBA(self): - self.assert_pack("RGBA", "RGBA", 4, - (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_pack("RGBA", "RGBA;L", 4, - (1,4,7,10), (2,5,8,11), (3,6,9,12)) - self.assert_pack("RGBA", "RGB", 3, (1,2,3,14), (4,5,6,15), (7,8,9,16)) - self.assert_pack("RGBA", "BGR", 3, (3,2,1,14), (6,5,4,15), (9,8,7,16)) - self.assert_pack("RGBA", "BGRA", 4, - (3,2,1,4), (7,6,5,8), (11,10,9,12)) - self.assert_pack("RGBA", "ABGR", 4, - (4,3,2,1), (8,7,6,5), (12,11,10,9)) - self.assert_pack("RGBA", "BGRa", 4, - (191,127,63,4), (223,191,159,8), (233,212,191,12)) - self.assert_pack("RGBA", "R", 1, (1,0,8,9), (2,0,8,9), (3,0,8,0)) - self.assert_pack("RGBA", "G", 1, (6,1,8,9), (6,2,8,9), (6,3,8,9)) - self.assert_pack("RGBA", "B", 1, (6,7,1,9), (6,7,2,0), (6,7,3,9)) - self.assert_pack("RGBA", "A", 1, (6,7,0,1), (6,7,0,2), (0,7,0,3)) + self.assert_pack("RGBA", "RGBA", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack( + "RGBA", "RGBA;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_pack("RGBA", "RGB", 3, (1, 2, 3, 14), (4, 5, 6, 15), (7, 8, 9, 16)) + self.assert_pack("RGBA", "BGR", 3, (3, 2, 1, 14), (6, 5, 4, 15), (9, 8, 7, 16)) + self.assert_pack("RGBA", "BGRA", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12)) + self.assert_pack("RGBA", "ABGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9)) + self.assert_pack( + "RGBA", + "BGRa", + 4, + (191, 127, 63, 4), + (223, 191, 159, 8), + (233, 212, 191, 12), + ) + self.assert_pack("RGBA", "R", 1, (1, 0, 8, 9), (2, 0, 8, 9), (3, 0, 8, 0)) + self.assert_pack("RGBA", "G", 1, (6, 1, 8, 9), (6, 2, 8, 9), (6, 3, 8, 9)) + self.assert_pack("RGBA", "B", 1, (6, 7, 1, 9), (6, 7, 2, 0), (6, 7, 3, 9)) + self.assert_pack("RGBA", "A", 1, (6, 7, 0, 1), (6, 7, 0, 2), (0, 7, 0, 3)) def test_RGBa(self): - self.assert_pack("RGBa", "RGBa", 4, - (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_pack("RGBa", "BGRa", 4, - (3,2,1,4), (7,6,5,8), (11,10,9,12)) - self.assert_pack("RGBa", "aBGR", 4, - (4,3,2,1), (8,7,6,5), (12,11,10,9)) + self.assert_pack("RGBa", "RGBa", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack("RGBa", "BGRa", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12)) + self.assert_pack("RGBa", "aBGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9)) def test_RGBX(self): - self.assert_pack("RGBX", "RGBX", 4, (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_pack("RGBX", "RGBX;L", 4, (1,4,7,10), (2,5,8,11), (3,6,9,12)) - self.assert_pack("RGBX", "RGB", 3, (1,2,3,X), (4,5,6,X), (7,8,9,X)) - self.assert_pack("RGBX", "BGR", 3, (3,2,1,X), (6,5,4,X), (9,8,7,X)) - self.assert_pack("RGBX", "BGRX", - b'\x01\x02\x03\x00\x05\x06\x07\x00\t\n\x0b\x00', - (3,2,1,X), (7,6,5,X), (11,10,9,X)) - self.assert_pack("RGBX", "XBGR", - b'\x00\x02\x03\x04\x00\x06\x07\x08\x00\n\x0b\x0c', - (4,3,2,X), (8,7,6,X), (12,11,10,X)) - self.assert_pack("RGBX", "R", 1, (1,0,8,9), (2,0,8,9), (3,0,8,0)) - self.assert_pack("RGBX", "G", 1, (6,1,8,9), (6,2,8,9), (6,3,8,9)) - self.assert_pack("RGBX", "B", 1, (6,7,1,9), (6,7,2,0), (6,7,3,9)) - self.assert_pack("RGBX", "X", 1, (6,7,0,1), (6,7,0,2), (0,7,0,3)) + self.assert_pack("RGBX", "RGBX", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack( + "RGBX", "RGBX;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_pack("RGBX", "RGB", 3, (1, 2, 3, X), (4, 5, 6, X), (7, 8, 9, X)) + self.assert_pack("RGBX", "BGR", 3, (3, 2, 1, X), (6, 5, 4, X), (9, 8, 7, X)) + self.assert_pack( + "RGBX", + "BGRX", + b"\x01\x02\x03\x00\x05\x06\x07\x00\t\n\x0b\x00", + (3, 2, 1, X), + (7, 6, 5, X), + (11, 10, 9, X), + ) + self.assert_pack( + "RGBX", + "XBGR", + b"\x00\x02\x03\x04\x00\x06\x07\x08\x00\n\x0b\x0c", + (4, 3, 2, X), + (8, 7, 6, X), + (12, 11, 10, X), + ) + self.assert_pack("RGBX", "R", 1, (1, 0, 8, 9), (2, 0, 8, 9), (3, 0, 8, 0)) + self.assert_pack("RGBX", "G", 1, (6, 1, 8, 9), (6, 2, 8, 9), (6, 3, 8, 9)) + self.assert_pack("RGBX", "B", 1, (6, 7, 1, 9), (6, 7, 2, 0), (6, 7, 3, 9)) + self.assert_pack("RGBX", "X", 1, (6, 7, 0, 1), (6, 7, 0, 2), (0, 7, 0, 3)) def test_CMYK(self): - self.assert_pack("CMYK", "CMYK", 4, (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_pack("CMYK", "CMYK;I", 4, - (254,253,252,251), (250,249,248,247), (246,245,244,243)) - self.assert_pack("CMYK", "CMYK;L", 4, - (1,4,7,10), (2,5,8,11), (3,6,9,12)) - self.assert_pack("CMYK", "K", 1, (6,7,0,1), (6,7,0,2), (0,7,0,3)) + self.assert_pack("CMYK", "CMYK", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12)) + self.assert_pack( + "CMYK", + "CMYK;I", + 4, + (254, 253, 252, 251), + (250, 249, 248, 247), + (246, 245, 244, 243), + ) + self.assert_pack( + "CMYK", "CMYK;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_pack("CMYK", "K", 1, (6, 7, 0, 1), (6, 7, 0, 2), (0, 7, 0, 3)) def test_YCbCr(self): - self.assert_pack("YCbCr", "YCbCr", 3, (1,2,3), (4,5,6), (7,8,9)) - self.assert_pack("YCbCr", "YCbCr;L", 3, (1,4,7), (2,5,8), (3,6,9)) - self.assert_pack("YCbCr", "YCbCrX", - b'\x01\x02\x03\xff\x05\x06\x07\xff\t\n\x0b\xff', - (1,2,3), (5,6,7), (9,10,11)) - self.assert_pack("YCbCr", "YCbCrK", - b'\x01\x02\x03\xff\x05\x06\x07\xff\t\n\x0b\xff', - (1,2,3), (5,6,7), (9,10,11)) - self.assert_pack("YCbCr", "Y", 1, (1,0,8,9), (2,0,8,9), (3,0,8,0)) - self.assert_pack("YCbCr", "Cb", 1, (6,1,8,9), (6,2,8,9), (6,3,8,9)) - self.assert_pack("YCbCr", "Cr", 1, (6,7,1,9), (6,7,2,0), (6,7,3,9)) + self.assert_pack("YCbCr", "YCbCr", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_pack("YCbCr", "YCbCr;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_pack( + "YCbCr", + "YCbCrX", + b"\x01\x02\x03\xff\x05\x06\x07\xff\t\n\x0b\xff", + (1, 2, 3), + (5, 6, 7), + (9, 10, 11), + ) + self.assert_pack( + "YCbCr", + "YCbCrK", + b"\x01\x02\x03\xff\x05\x06\x07\xff\t\n\x0b\xff", + (1, 2, 3), + (5, 6, 7), + (9, 10, 11), + ) + self.assert_pack("YCbCr", "Y", 1, (1, 0, 8, 9), (2, 0, 8, 9), (3, 0, 8, 0)) + self.assert_pack("YCbCr", "Cb", 1, (6, 1, 8, 9), (6, 2, 8, 9), (6, 3, 8, 9)) + self.assert_pack("YCbCr", "Cr", 1, (6, 7, 1, 9), (6, 7, 2, 0), (6, 7, 3, 9)) def test_LAB(self): - self.assert_pack("LAB", "LAB", 3, - (1,130,131), (4,133,134), (7,136,137)) - self.assert_pack("LAB", "L", 1, (1,9,9), (2,9,9), (3,9,9)) - self.assert_pack("LAB", "A", 1, (9,1,9), (9,2,9), (9,3,9)) - self.assert_pack("LAB", "B", 1, (9,9,1), (9,9,2), (9,9,3)) + self.assert_pack("LAB", "LAB", 3, (1, 130, 131), (4, 133, 134), (7, 136, 137)) + self.assert_pack("LAB", "L", 1, (1, 9, 9), (2, 9, 9), (3, 9, 9)) + self.assert_pack("LAB", "A", 1, (9, 1, 9), (9, 2, 9), (9, 3, 9)) + self.assert_pack("LAB", "B", 1, (9, 9, 1), (9, 9, 2), (9, 9, 3)) def test_HSV(self): - self.assert_pack("HSV", "HSV", 3, (1,2,3), (4,5,6), (7,8,9)) - self.assert_pack("HSV", "H", 1, (1,9,9), (2,9,9), (3,9,9)) - self.assert_pack("HSV", "S", 1, (9,1,9), (9,2,9), (9,3,9)) - self.assert_pack("HSV", "V", 1, (9,9,1), (9,9,2), (9,9,3)) + self.assert_pack("HSV", "HSV", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_pack("HSV", "H", 1, (1, 9, 9), (2, 9, 9), (3, 9, 9)) + self.assert_pack("HSV", "S", 1, (9, 1, 9), (9, 2, 9), (9, 3, 9)) + self.assert_pack("HSV", "V", 1, (9, 9, 1), (9, 9, 2), (9, 9, 3)) def test_I(self): self.assert_pack("I", "I;16B", 2, 0x0102, 0x0304) - self.assert_pack("I", "I;32S", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - 0x01000083, -2097151999) + self.assert_pack( + "I", "I;32S", b"\x83\x00\x00\x01\x01\x00\x00\x83", 0x01000083, -2097151999 + ) - if sys.byteorder == 'little': + if sys.byteorder == "little": self.assert_pack("I", "I", 4, 0x04030201, 0x08070605) - self.assert_pack("I", "I;32NS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - 0x01000083, -2097151999) + self.assert_pack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + 0x01000083, + -2097151999, + ) else: self.assert_pack("I", "I", 4, 0x01020304, 0x05060708) - self.assert_pack("I", "I;32NS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - -2097151999, 0x01000083) + self.assert_pack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + -2097151999, + 0x01000083, + ) def test_F_float(self): - self.assert_pack("F", "F;32F", 4, - 1.539989614439558e-36, 4.063216068939723e-34) - - if sys.byteorder == 'little': - self.assert_pack("F", "F", 4, - 1.539989614439558e-36, 4.063216068939723e-34) - self.assert_pack("F", "F;32NF", 4, - 1.539989614439558e-36, 4.063216068939723e-34) + self.assert_pack("F", "F;32F", 4, 1.539989614439558e-36, 4.063216068939723e-34) + + if sys.byteorder == "little": + self.assert_pack("F", "F", 4, 1.539989614439558e-36, 4.063216068939723e-34) + self.assert_pack( + "F", "F;32NF", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) else: - self.assert_pack("F", "F", 4, - 2.387939260590663e-38, 6.301941157072183e-36) - self.assert_pack("F", "F;32NF", 4, - 2.387939260590663e-38, 6.301941157072183e-36) + self.assert_pack("F", "F", 4, 2.387939260590663e-38, 6.301941157072183e-36) + self.assert_pack( + "F", "F;32NF", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) -class TestLibUnpack(PillowTestCase): +class TestLibUnpack: def assert_unpack(self, mode, rawmode, data, *pixels): """ data - either raw bytes with data or just number of bytes in rawmode. """ - if isinstance(data, (int)): + if isinstance(data, int): data_len = data * len(pixels) - data = bytes(bytearray(range(1, data_len + 1))) + data = bytes(range(1, data_len + 1)) im = Image.frombytes(mode, (len(pixels), 1), data, "raw", rawmode, 0, 1) for x, pixel in enumerate(pixels): - self.assertEqual(pixel, im.getpixel((x, 0))) + assert pixel == im.getpixel((x, 0)) def test_1(self): - self.assert_unpack("1", "1", b'\x01', 0, 0, 0, 0, 0, 0, 0, X) - self.assert_unpack("1", "1;I", b'\x01', X, X, X, X, X, X, X, 0) - self.assert_unpack("1", "1;R", b'\x01', X, 0, 0, 0, 0, 0, 0, 0) - self.assert_unpack("1", "1;IR", b'\x01', 0, X, X, X, X, X, X, X) + self.assert_unpack("1", "1", b"\x01", 0, 0, 0, 0, 0, 0, 0, X) + self.assert_unpack("1", "1;I", b"\x01", X, X, X, X, X, X, X, 0) + self.assert_unpack("1", "1;R", b"\x01", X, 0, 0, 0, 0, 0, 0, 0) + self.assert_unpack("1", "1;IR", b"\x01", 0, X, X, X, X, X, X, X) - self.assert_unpack("1", "1", b'\xaa', X, 0, X, 0, X, 0, X, 0) - self.assert_unpack("1", "1;I", b'\xaa', 0, X, 0, X, 0, X, 0, X) - self.assert_unpack("1", "1;R", b'\xaa', 0, X, 0, X, 0, X, 0, X) - self.assert_unpack("1", "1;IR", b'\xaa', X, 0, X, 0, X, 0, X, 0) + self.assert_unpack("1", "1", b"\xaa", X, 0, X, 0, X, 0, X, 0) + self.assert_unpack("1", "1;I", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_unpack("1", "1;R", b"\xaa", 0, X, 0, X, 0, X, 0, X) + self.assert_unpack("1", "1;IR", b"\xaa", X, 0, X, 0, X, 0, X, 0) - self.assert_unpack("1", "1;8", b'\x00\x01\x02\xff', 0, X, X, X) + self.assert_unpack("1", "1;8", b"\x00\x01\x02\xff", 0, X, X, X) def test_L(self): - self.assert_unpack("L", "L;2", b'\xe4', 255, 170, 85, 0) - self.assert_unpack("L", "L;2I", b'\xe4', 0, 85, 170, 255) - self.assert_unpack("L", "L;2R", b'\xe4', 0, 170, 85, 255) - self.assert_unpack("L", "L;2IR", b'\xe4', 255, 85, 170, 0) + self.assert_unpack("L", "L;2", b"\xe4", 255, 170, 85, 0) + self.assert_unpack("L", "L;2I", b"\xe4", 0, 85, 170, 255) + self.assert_unpack("L", "L;2R", b"\xe4", 0, 170, 85, 255) + self.assert_unpack("L", "L;2IR", b"\xe4", 255, 85, 170, 0) - self.assert_unpack("L", "L;4", b'\x02\xef', 0, 34, 238, 255) - self.assert_unpack("L", "L;4I", b'\x02\xef', 255, 221, 17, 0) - self.assert_unpack("L", "L;4R", b'\x02\xef', 68, 0, 255, 119) - self.assert_unpack("L", "L;4IR", b'\x02\xef', 187, 255, 0, 136) + self.assert_unpack("L", "L;4", b"\x02\xef", 0, 34, 238, 255) + self.assert_unpack("L", "L;4I", b"\x02\xef", 255, 221, 17, 0) + self.assert_unpack("L", "L;4R", b"\x02\xef", 68, 0, 255, 119) + self.assert_unpack("L", "L;4IR", b"\x02\xef", 187, 255, 0, 136) self.assert_unpack("L", "L", 1, 1, 2, 3, 4) self.assert_unpack("L", "L;I", 1, 254, 253, 252, 251) self.assert_unpack("L", "L;R", 1, 128, 64, 192, 32) self.assert_unpack("L", "L;16", 2, 2, 4, 6, 8) self.assert_unpack("L", "L;16B", 2, 1, 3, 5, 7) - self.assert_unpack("L", "L;16", b'\x00\xc6\x00\xaf', 198, 175) - self.assert_unpack("L", "L;16B", b'\xc6\x00\xaf\x00', 198, 175) - + self.assert_unpack("L", "L;16", b"\x00\xc6\x00\xaf", 198, 175) + self.assert_unpack("L", "L;16B", b"\xc6\x00\xaf\x00", 198, 175) def test_LA(self): self.assert_unpack("LA", "LA", 2, (1, 2), (3, 4), (5, 6)) self.assert_unpack("LA", "LA;L", 2, (1, 4), (2, 5), (3, 6)) + def test_La(self): + self.assert_unpack("La", "La", 2, (1, 2), (3, 4), (5, 6)) + def test_P(self): - self.assert_unpack("P", "P;1", b'\xe4', 1, 1, 1, 0, 0, 1, 0, 0) - self.assert_unpack("P", "P;2", b'\xe4', 3, 2, 1, 0) - # self.assert_unpack("P", "P;2L", b'\xe4', 1, 1, 1, 0) # erroneous? - self.assert_unpack("P", "P;4", b'\x02\xef', 0, 2, 14, 15) - # self.assert_unpack("P", "P;4L", b'\x02\xef', 2, 10, 10, 0) # erroneous? + self.assert_unpack("P", "P;1", b"\xe4", 1, 1, 1, 0, 0, 1, 0, 0) + self.assert_unpack("P", "P;2", b"\xe4", 3, 2, 1, 0) + # erroneous? + # self.assert_unpack("P", "P;2L", b'\xe4', 1, 1, 1, 0) + self.assert_unpack("P", "P;4", b"\x02\xef", 0, 2, 14, 15) + # erroneous? + # self.assert_unpack("P", "P;4L", b'\x02\xef', 2, 10, 10, 0) self.assert_unpack("P", "P", 1, 1, 2, 3, 4) self.assert_unpack("P", "P;R", 1, 128, 64, 192, 32) @@ -245,252 +291,471 @@ def test_PA(self): self.assert_unpack("PA", "PA;L", 2, (1, 4), (2, 5), (3, 6)) def test_RGB(self): - self.assert_unpack("RGB", "RGB", 3, (1,2,3), (4,5,6), (7,8,9)) - self.assert_unpack("RGB", "RGB;L", 3, (1,4,7), (2,5,8), (3,6,9)) - self.assert_unpack("RGB", "RGB;R", 3, (128,64,192), (32,160,96)) - self.assert_unpack("RGB", "RGB;16L", 6, (2,4,6), (8,10,12)) - self.assert_unpack("RGB", "RGB;16B", 6, (1,3,5), (7,9,11)) - self.assert_unpack("RGB", "BGR", 3, (3,2,1), (6,5,4), (9,8,7)) - self.assert_unpack("RGB", "RGB;15", 2, (8,131,0), (24,0,8)) - self.assert_unpack("RGB", "BGR;15", 2, (0,131,8), (8,0,24)) - self.assert_unpack("RGB", "RGB;16", 2, (8,64,0), (24,129,0)) - self.assert_unpack("RGB", "BGR;16", 2, (0,64,8), (0,129,24)) - self.assert_unpack("RGB", "RGB;4B", 2, (17,0,34), (51,0,68)) - self.assert_unpack("RGB", "RGBX", 4, (1,2,3), (5,6,7), (9,10,11)) - self.assert_unpack("RGB", "RGBX;L", 4, (1,4,7), (2,5,8), (3,6,9)) - self.assert_unpack("RGB", "BGRX", 4, (3,2,1), (7,6,5), (11,10,9)) - self.assert_unpack("RGB", "XRGB", 4, (2,3,4), (6,7,8), (10,11,12)) - self.assert_unpack("RGB", "XBGR", 4, (4,3,2), (8,7,6), (12,11,10)) - self.assert_unpack("RGB", "YCC;P", - b'D]\x9c\x82\x1a\x91\xfaOC\xe7J\x12', # random data - (127,102,0), (192,227,0), (213,255,170), (98,255,133)) - self.assert_unpack("RGB", "R", 1, (1,0,0), (2,0,0), (3,0,0)) - self.assert_unpack("RGB", "G", 1, (0,1,0), (0,2,0), (0,3,0)) - self.assert_unpack("RGB", "B", 1, (0,0,1), (0,0,2), (0,0,3)) + self.assert_unpack("RGB", "RGB", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_unpack("RGB", "RGB;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_unpack("RGB", "RGB;R", 3, (128, 64, 192), (32, 160, 96)) + self.assert_unpack("RGB", "RGB;16L", 6, (2, 4, 6), (8, 10, 12)) + self.assert_unpack("RGB", "RGB;16B", 6, (1, 3, 5), (7, 9, 11)) + self.assert_unpack("RGB", "BGR", 3, (3, 2, 1), (6, 5, 4), (9, 8, 7)) + self.assert_unpack("RGB", "RGB;15", 2, (8, 131, 0), (24, 0, 8)) + self.assert_unpack("RGB", "BGR;15", 2, (0, 131, 8), (8, 0, 24)) + self.assert_unpack("RGB", "RGB;16", 2, (8, 64, 0), (24, 129, 0)) + self.assert_unpack("RGB", "BGR;16", 2, (0, 64, 8), (0, 129, 24)) + self.assert_unpack("RGB", "RGB;4B", 2, (17, 0, 34), (51, 0, 68)) + self.assert_unpack("RGB", "RGBX", 4, (1, 2, 3), (5, 6, 7), (9, 10, 11)) + self.assert_unpack("RGB", "RGBX;L", 4, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_unpack("RGB", "BGRX", 4, (3, 2, 1), (7, 6, 5), (11, 10, 9)) + self.assert_unpack("RGB", "XRGB", 4, (2, 3, 4), (6, 7, 8), (10, 11, 12)) + self.assert_unpack("RGB", "XBGR", 4, (4, 3, 2), (8, 7, 6), (12, 11, 10)) + self.assert_unpack( + "RGB", + "YCC;P", + b"D]\x9c\x82\x1a\x91\xfaOC\xe7J\x12", # random data + (127, 102, 0), + (192, 227, 0), + (213, 255, 170), + (98, 255, 133), + ) + self.assert_unpack("RGB", "R", 1, (1, 0, 0), (2, 0, 0), (3, 0, 0)) + self.assert_unpack("RGB", "G", 1, (0, 1, 0), (0, 2, 0), (0, 3, 0)) + self.assert_unpack("RGB", "B", 1, (0, 0, 1), (0, 0, 2), (0, 0, 3)) + + self.assert_unpack("RGB", "R;16B", 2, (1, 0, 0), (3, 0, 0), (5, 0, 0)) + self.assert_unpack("RGB", "G;16B", 2, (0, 1, 0), (0, 3, 0), (0, 5, 0)) + self.assert_unpack("RGB", "B;16B", 2, (0, 0, 1), (0, 0, 3), (0, 0, 5)) + + self.assert_unpack("RGB", "R;16L", 2, (2, 0, 0), (4, 0, 0), (6, 0, 0)) + self.assert_unpack("RGB", "G;16L", 2, (0, 2, 0), (0, 4, 0), (0, 6, 0)) + self.assert_unpack("RGB", "B;16L", 2, (0, 0, 2), (0, 0, 4), (0, 0, 6)) + + if sys.byteorder == "little": + self.assert_unpack("RGB", "R;16N", 2, (2, 0, 0), (4, 0, 0), (6, 0, 0)) + self.assert_unpack("RGB", "G;16N", 2, (0, 2, 0), (0, 4, 0), (0, 6, 0)) + self.assert_unpack("RGB", "B;16N", 2, (0, 0, 2), (0, 0, 4), (0, 0, 6)) + else: + self.assert_unpack("RGB", "R;16N", 2, (1, 0, 0), (3, 0, 0), (5, 0, 0)) + self.assert_unpack("RGB", "G;16N", 2, (0, 1, 0), (0, 3, 0), (0, 5, 0)) + self.assert_unpack("RGB", "B;16N", 2, (0, 0, 1), (0, 0, 3), (0, 0, 5)) def test_RGBA(self): - self.assert_unpack("RGBA", "LA", 2, (1,1,1,2), (3,3,3,4), (5,5,5,6)) - self.assert_unpack("RGBA", "LA;16B", 4, - (1,1,1,3), (5,5,5,7), (9,9,9,11)) - self.assert_unpack("RGBA", "RGBA", 4, - (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_unpack("RGBA", "RGBa", 4, - (63,127,191,4), (159,191,223,8), (191,212,233,12)) - self.assert_unpack("RGBA", "RGBa", - b'\x01\x02\x03\x00\x10\x20\x30\xff', - (0,0,0,0), (16,32,48,255)) - self.assert_unpack("RGBA", "RGBa;16L", 8, - (63,127,191,8), (159,191,223,16), (191,212,233,24)) - self.assert_unpack("RGBA", "RGBa;16L", - b'\x88\x01\x88\x02\x88\x03\x88\x00' - b'\x88\x10\x88\x20\x88\x30\x88\xff', - (0,0,0,0), (16,32,48,255)) - self.assert_unpack("RGBA", "RGBa;16B", 8, - (36,109,182,7), (153,187,221,15), (188,210,232,23)) - self.assert_unpack("RGBA", "RGBa;16B", - b'\x01\x88\x02\x88\x03\x88\x00\x88' - b'\x10\x88\x20\x88\x30\x88\xff\x88', - (0,0,0,0), (16,32,48,255)) - self.assert_unpack("RGBA", "BGRa", 4, - (191,127,63,4), (223,191,159,8), (233,212,191,12)) - self.assert_unpack("RGBA", "BGRa", - b'\x01\x02\x03\x00\x10\x20\x30\xff', - (0,0,0,0), (48,32,16,255)) - self.assert_unpack("RGBA", "RGBA;I", 4, - (254,253,252,4), (250,249,248,8), (246,245,244,12)) - self.assert_unpack("RGBA", "RGBA;L", 4, - (1,4,7,10), (2,5,8,11), (3,6,9,12)) - self.assert_unpack("RGBA", "RGBA;15", 2, (8,131,0,0), (24,0,8,0)) - self.assert_unpack("RGBA", "BGRA;15", 2, (0,131,8,0), (8,0,24,0)) - self.assert_unpack("RGBA", "RGBA;4B", 2, (17,0,34,0), (51,0,68,0)) - self.assert_unpack("RGBA", "RGBA;16L", 8, (2,4,6,8), (10,12,14,16)) - self.assert_unpack("RGBA", "RGBA;16B", 8, (1,3,5,7), (9,11,13,15)) - self.assert_unpack("RGBA", "BGRA", 4, - (3,2,1,4), (7,6,5,8), (11,10,9,12)) - self.assert_unpack("RGBA", "ARGB", 4, - (2,3,4,1), (6,7,8,5), (10,11,12,9)) - self.assert_unpack("RGBA", "ABGR", 4, - (4,3,2,1), (8,7,6,5), (12,11,10,9)) - self.assert_unpack("RGBA", "YCCA;P", - b']bE\x04\xdd\xbej\xed57T\xce\xac\xce:\x11', # random data - (0,161,0,4), (255,255,255,237), (27,158,0,206), (0,118,0,17)) - self.assert_unpack("RGBA", "R", 1, (1,0,0,0), (2,0,0,0), (3,0,0,0)) - self.assert_unpack("RGBA", "G", 1, (0,1,0,0), (0,2,0,0), (0,3,0,0)) - self.assert_unpack("RGBA", "B", 1, (0,0,1,0), (0,0,2,0), (0,0,3,0)) - self.assert_unpack("RGBA", "A", 1, (0,0,0,1), (0,0,0,2), (0,0,0,3)) + self.assert_unpack("RGBA", "LA", 2, (1, 1, 1, 2), (3, 3, 3, 4), (5, 5, 5, 6)) + self.assert_unpack( + "RGBA", "LA;16B", 4, (1, 1, 1, 3), (5, 5, 5, 7), (9, 9, 9, 11) + ) + self.assert_unpack( + "RGBA", "RGBA", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "RGBA", "RGBAX", 5, (1, 2, 3, 4), (6, 7, 8, 9), (11, 12, 13, 14) + ) + self.assert_unpack( + "RGBA", "RGBAXX", 6, (1, 2, 3, 4), (7, 8, 9, 10), (13, 14, 15, 16) + ) + self.assert_unpack( + "RGBA", + "RGBa", + 4, + (63, 127, 191, 4), + (159, 191, 223, 8), + (191, 212, 233, 12), + ) + self.assert_unpack( + "RGBA", + "RGBa", + b"\x01\x02\x03\x00\x10\x20\x30\x7f\x10\x20\x30\xff", + (0, 0, 0, 0), + (32, 64, 96, 127), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBaX", + b"\x01\x02\x03\x00-\x10\x20\x30\x7f-\x10\x20\x30\xff-", + (0, 0, 0, 0), + (32, 64, 96, 127), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBaXX", + b"\x01\x02\x03\x00==\x10\x20\x30\x7f!!\x10\x20\x30\xff??", + (0, 0, 0, 0), + (32, 64, 96, 127), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBa;16L", + 8, + (63, 127, 191, 8), + (159, 191, 223, 16), + (191, 212, 233, 24), + ) + self.assert_unpack( + "RGBA", + "RGBa;16L", + b"\x88\x01\x88\x02\x88\x03\x88\x00\x88\x10\x88\x20\x88\x30\x88\xff", + (0, 0, 0, 0), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "RGBa;16B", + 8, + (36, 109, 182, 7), + (153, 187, 221, 15), + (188, 210, 232, 23), + ) + self.assert_unpack( + "RGBA", + "RGBa;16B", + b"\x01\x88\x02\x88\x03\x88\x00\x88\x10\x88\x20\x88\x30\x88\xff\x88", + (0, 0, 0, 0), + (16, 32, 48, 255), + ) + self.assert_unpack( + "RGBA", + "BGRa", + 4, + (191, 127, 63, 4), + (223, 191, 159, 8), + (233, 212, 191, 12), + ) + self.assert_unpack( + "RGBA", + "BGRa", + b"\x01\x02\x03\x00\x10\x20\x30\xff", + (0, 0, 0, 0), + (48, 32, 16, 255), + ) + self.assert_unpack( + "RGBA", + "RGBA;I", + 4, + (254, 253, 252, 4), + (250, 249, 248, 8), + (246, 245, 244, 12), + ) + self.assert_unpack( + "RGBA", "RGBA;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_unpack("RGBA", "RGBA;15", 2, (8, 131, 0, 0), (24, 0, 8, 0)) + self.assert_unpack("RGBA", "BGRA;15", 2, (0, 131, 8, 0), (8, 0, 24, 0)) + self.assert_unpack("RGBA", "RGBA;4B", 2, (17, 0, 34, 0), (51, 0, 68, 0)) + self.assert_unpack("RGBA", "RGBA;16L", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + self.assert_unpack("RGBA", "RGBA;16B", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + self.assert_unpack( + "RGBA", "BGRA", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12) + ) + self.assert_unpack( + "RGBA", "ARGB", 4, (2, 3, 4, 1), (6, 7, 8, 5), (10, 11, 12, 9) + ) + self.assert_unpack( + "RGBA", "ABGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9) + ) + self.assert_unpack( + "RGBA", + "YCCA;P", + b"]bE\x04\xdd\xbej\xed57T\xce\xac\xce:\x11", # random data + (0, 161, 0, 4), + (255, 255, 255, 237), + (27, 158, 0, 206), + (0, 118, 0, 17), + ) + self.assert_unpack("RGBA", "R", 1, (1, 0, 0, 0), (2, 0, 0, 0), (3, 0, 0, 0)) + self.assert_unpack("RGBA", "G", 1, (0, 1, 0, 0), (0, 2, 0, 0), (0, 3, 0, 0)) + self.assert_unpack("RGBA", "B", 1, (0, 0, 1, 0), (0, 0, 2, 0), (0, 0, 3, 0)) + self.assert_unpack("RGBA", "A", 1, (0, 0, 0, 1), (0, 0, 0, 2), (0, 0, 0, 3)) + + self.assert_unpack("RGBA", "R;16B", 2, (1, 0, 0, 0), (3, 0, 0, 0), (5, 0, 0, 0)) + self.assert_unpack("RGBA", "G;16B", 2, (0, 1, 0, 0), (0, 3, 0, 0), (0, 5, 0, 0)) + self.assert_unpack("RGBA", "B;16B", 2, (0, 0, 1, 0), (0, 0, 3, 0), (0, 0, 5, 0)) + self.assert_unpack("RGBA", "A;16B", 2, (0, 0, 0, 1), (0, 0, 0, 3), (0, 0, 0, 5)) + + self.assert_unpack("RGBA", "R;16L", 2, (2, 0, 0, 0), (4, 0, 0, 0), (6, 0, 0, 0)) + self.assert_unpack("RGBA", "G;16L", 2, (0, 2, 0, 0), (0, 4, 0, 0), (0, 6, 0, 0)) + self.assert_unpack("RGBA", "B;16L", 2, (0, 0, 2, 0), (0, 0, 4, 0), (0, 0, 6, 0)) + self.assert_unpack("RGBA", "A;16L", 2, (0, 0, 0, 2), (0, 0, 0, 4), (0, 0, 0, 6)) + + if sys.byteorder == "little": + self.assert_unpack( + "RGBA", "R;16N", 2, (2, 0, 0, 0), (4, 0, 0, 0), (6, 0, 0, 0) + ) + self.assert_unpack( + "RGBA", "G;16N", 2, (0, 2, 0, 0), (0, 4, 0, 0), (0, 6, 0, 0) + ) + self.assert_unpack( + "RGBA", "B;16N", 2, (0, 0, 2, 0), (0, 0, 4, 0), (0, 0, 6, 0) + ) + self.assert_unpack( + "RGBA", "A;16N", 2, (0, 0, 0, 2), (0, 0, 0, 4), (0, 0, 0, 6) + ) + else: + self.assert_unpack( + "RGBA", "R;16N", 2, (1, 0, 0, 0), (3, 0, 0, 0), (5, 0, 0, 0) + ) + self.assert_unpack( + "RGBA", "G;16N", 2, (0, 1, 0, 0), (0, 3, 0, 0), (0, 5, 0, 0) + ) + self.assert_unpack( + "RGBA", "B;16N", 2, (0, 0, 1, 0), (0, 0, 3, 0), (0, 0, 5, 0) + ) + self.assert_unpack( + "RGBA", "A;16N", 2, (0, 0, 0, 1), (0, 0, 0, 3), (0, 0, 0, 5) + ) def test_RGBa(self): - self.assert_unpack("RGBa", "RGBa", 4, - (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_unpack("RGBa", "BGRa", 4, - (3,2,1,4), (7,6,5,8), (11,10,9,12)) - self.assert_unpack("RGBa", "aRGB", 4, - (2,3,4,1), (6,7,8,5), (10,11,12,9)) - self.assert_unpack("RGBa", "aBGR", 4, - (4,3,2,1), (8,7,6,5), (12,11,10,9)) + self.assert_unpack( + "RGBa", "RGBa", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "RGBa", "BGRa", 4, (3, 2, 1, 4), (7, 6, 5, 8), (11, 10, 9, 12) + ) + self.assert_unpack( + "RGBa", "aRGB", 4, (2, 3, 4, 1), (6, 7, 8, 5), (10, 11, 12, 9) + ) + self.assert_unpack( + "RGBa", "aBGR", 4, (4, 3, 2, 1), (8, 7, 6, 5), (12, 11, 10, 9) + ) def test_RGBX(self): - self.assert_unpack("RGBX", "RGB", 3, (1,2,3,X), (4,5,6,X), (7,8,9,X)) - self.assert_unpack("RGBX", "RGB;L", 3, (1,4,7,X), (2,5,8,X), (3,6,9,X)) - self.assert_unpack("RGBX", "RGB;16B", 6, (1,3,5,X), (7,9,11,X)) - self.assert_unpack("RGBX", "BGR", 3, (3,2,1,X), (6,5,4,X), (9,8,7,X)) - self.assert_unpack("RGBX", "RGB;15", 2, (8,131,0,X), (24,0,8,X)) - self.assert_unpack("RGBX", "BGR;15", 2, (0,131,8,X), (8,0,24,X)) - self.assert_unpack("RGBX", "RGB;4B", 2, (17,0,34,X), (51,0,68,X)) - self.assert_unpack("RGBX", "RGBX", 4, - (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_unpack("RGBX", "RGBX;L", 4, - (1,4,7,10), (2,5,8,11), (3,6,9,12)) - self.assert_unpack("RGBX", "RGBX;16L", 8, (2,4,6,8), (10,12,14,16)) - self.assert_unpack("RGBX", "RGBX;16B", 8, (1,3,5,7), (9,11,13,15)) - self.assert_unpack("RGBX", "BGRX", 4, (3,2,1,X), (7,6,5,X), (11,10,9,X)) - self.assert_unpack("RGBX", "XRGB", 4, (2,3,4,X), (6,7,8,X), (10,11,12,X)) - self.assert_unpack("RGBX", "XBGR", 4, (4,3,2,X), (8,7,6,X), (12,11,10,X)) - self.assert_unpack("RGBX", "YCC;P", - b'D]\x9c\x82\x1a\x91\xfaOC\xe7J\x12', # random data - (127,102,0,X), (192,227,0,X), (213,255,170,X), (98,255,133,X)) - self.assert_unpack("RGBX", "R", 1, (1,0,0,0), (2,0,0,0), (3,0,0,0)) - self.assert_unpack("RGBX", "G", 1, (0,1,0,0), (0,2,0,0), (0,3,0,0)) - self.assert_unpack("RGBX", "B", 1, (0,0,1,0), (0,0,2,0), (0,0,3,0)) - self.assert_unpack("RGBX", "X", 1, (0,0,0,1), (0,0,0,2), (0,0,0,3)) + self.assert_unpack("RGBX", "RGB", 3, (1, 2, 3, X), (4, 5, 6, X), (7, 8, 9, X)) + self.assert_unpack("RGBX", "RGB;L", 3, (1, 4, 7, X), (2, 5, 8, X), (3, 6, 9, X)) + self.assert_unpack("RGBX", "RGB;16B", 6, (1, 3, 5, X), (7, 9, 11, X)) + self.assert_unpack("RGBX", "BGR", 3, (3, 2, 1, X), (6, 5, 4, X), (9, 8, 7, X)) + self.assert_unpack("RGBX", "RGB;15", 2, (8, 131, 0, X), (24, 0, 8, X)) + self.assert_unpack("RGBX", "BGR;15", 2, (0, 131, 8, X), (8, 0, 24, X)) + self.assert_unpack("RGBX", "RGB;4B", 2, (17, 0, 34, X), (51, 0, 68, X)) + self.assert_unpack( + "RGBX", "RGBX", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "RGBX", "RGBXX", 5, (1, 2, 3, 4), (6, 7, 8, 9), (11, 12, 13, 14) + ) + self.assert_unpack( + "RGBX", "RGBXXX", 6, (1, 2, 3, 4), (7, 8, 9, 10), (13, 14, 15, 16) + ) + self.assert_unpack( + "RGBX", "RGBX;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_unpack("RGBX", "RGBX;16L", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + self.assert_unpack("RGBX", "RGBX;16B", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + self.assert_unpack( + "RGBX", "BGRX", 4, (3, 2, 1, X), (7, 6, 5, X), (11, 10, 9, X) + ) + self.assert_unpack( + "RGBX", "XRGB", 4, (2, 3, 4, X), (6, 7, 8, X), (10, 11, 12, X) + ) + self.assert_unpack( + "RGBX", "XBGR", 4, (4, 3, 2, X), (8, 7, 6, X), (12, 11, 10, X) + ) + self.assert_unpack( + "RGBX", + "YCC;P", + b"D]\x9c\x82\x1a\x91\xfaOC\xe7J\x12", # random data + (127, 102, 0, X), + (192, 227, 0, X), + (213, 255, 170, X), + (98, 255, 133, X), + ) + self.assert_unpack("RGBX", "R", 1, (1, 0, 0, 0), (2, 0, 0, 0), (3, 0, 0, 0)) + self.assert_unpack("RGBX", "G", 1, (0, 1, 0, 0), (0, 2, 0, 0), (0, 3, 0, 0)) + self.assert_unpack("RGBX", "B", 1, (0, 0, 1, 0), (0, 0, 2, 0), (0, 0, 3, 0)) + self.assert_unpack("RGBX", "X", 1, (0, 0, 0, 1), (0, 0, 0, 2), (0, 0, 0, 3)) def test_CMYK(self): - self.assert_unpack("CMYK", "CMYK", 4, (1,2,3,4), (5,6,7,8), (9,10,11,12)) - self.assert_unpack("CMYK", "CMYK;I", 4, - (254,253,252,251), (250,249,248,247), (246,245,244,243)) - self.assert_unpack("CMYK", "CMYK;L", 4, - (1,4,7,10), (2,5,8,11), (3,6,9,12)) - self.assert_unpack("CMYK", "C", 1, (1,0,0,0), (2,0,0,0), (3,0,0,0)) - self.assert_unpack("CMYK", "M", 1, (0,1,0,0), (0,2,0,0), (0,3,0,0)) - self.assert_unpack("CMYK", "Y", 1, (0,0,1,0), (0,0,2,0), (0,0,3,0)) - self.assert_unpack("CMYK", "K", 1, (0,0,0,1), (0,0,0,2), (0,0,0,3)) - self.assert_unpack("CMYK", "C;I", 1, - (254,0,0,0), (253,0,0,0), (252,0,0,0)) - self.assert_unpack("CMYK", "M;I", 1, - (0,254,0,0), (0,253,0,0), (0,252,0,0)) - self.assert_unpack("CMYK", "Y;I", 1, - (0,0,254,0), (0,0,253,0), (0,0,252,0)) - self.assert_unpack("CMYK", "K;I", 1, - (0,0,0,254), (0,0,0,253), (0,0,0,252)) + self.assert_unpack( + "CMYK", "CMYK", 4, (1, 2, 3, 4), (5, 6, 7, 8), (9, 10, 11, 12) + ) + self.assert_unpack( + "CMYK", "CMYKX", 5, (1, 2, 3, 4), (6, 7, 8, 9), (11, 12, 13, 14) + ) + self.assert_unpack( + "CMYK", "CMYKXX", 6, (1, 2, 3, 4), (7, 8, 9, 10), (13, 14, 15, 16) + ) + self.assert_unpack( + "CMYK", + "CMYK;I", + 4, + (254, 253, 252, 251), + (250, 249, 248, 247), + (246, 245, 244, 243), + ) + self.assert_unpack( + "CMYK", "CMYK;L", 4, (1, 4, 7, 10), (2, 5, 8, 11), (3, 6, 9, 12) + ) + self.assert_unpack("CMYK", "C", 1, (1, 0, 0, 0), (2, 0, 0, 0), (3, 0, 0, 0)) + self.assert_unpack("CMYK", "M", 1, (0, 1, 0, 0), (0, 2, 0, 0), (0, 3, 0, 0)) + self.assert_unpack("CMYK", "Y", 1, (0, 0, 1, 0), (0, 0, 2, 0), (0, 0, 3, 0)) + self.assert_unpack("CMYK", "K", 1, (0, 0, 0, 1), (0, 0, 0, 2), (0, 0, 0, 3)) + self.assert_unpack( + "CMYK", "C;I", 1, (254, 0, 0, 0), (253, 0, 0, 0), (252, 0, 0, 0) + ) + self.assert_unpack( + "CMYK", "M;I", 1, (0, 254, 0, 0), (0, 253, 0, 0), (0, 252, 0, 0) + ) + self.assert_unpack( + "CMYK", "Y;I", 1, (0, 0, 254, 0), (0, 0, 253, 0), (0, 0, 252, 0) + ) + self.assert_unpack( + "CMYK", "K;I", 1, (0, 0, 0, 254), (0, 0, 0, 253), (0, 0, 0, 252) + ) def test_YCbCr(self): - self.assert_unpack("YCbCr", "YCbCr", 3, (1,2,3), (4,5,6), (7,8,9)) - self.assert_unpack("YCbCr", "YCbCr;L", 3, (1,4,7), (2,5,8), (3,6,9)) - self.assert_unpack("YCbCr", "YCbCrX", 4, (1,2,3), (5,6,7), (9,10,11)) - self.assert_unpack("YCbCr", "YCbCrK", 4, (1,2,3), (5,6,7), (9,10,11)) + self.assert_unpack("YCbCr", "YCbCr", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_unpack("YCbCr", "YCbCr;L", 3, (1, 4, 7), (2, 5, 8), (3, 6, 9)) + self.assert_unpack("YCbCr", "YCbCrK", 4, (1, 2, 3), (5, 6, 7), (9, 10, 11)) + self.assert_unpack("YCbCr", "YCbCrX", 4, (1, 2, 3), (5, 6, 7), (9, 10, 11)) def test_LAB(self): - self.assert_unpack("LAB", "LAB", 3, - (1,130,131), (4,133,134), (7,136,137)) - self.assert_unpack("LAB", "L", 1, (1,0,0), (2,0,0), (3,0,0)) - self.assert_unpack("LAB", "A", 1, (0,1,0), (0,2,0), (0,3,0)) - self.assert_unpack("LAB", "B", 1, (0,0,1), (0,0,2), (0,0,3)) + self.assert_unpack("LAB", "LAB", 3, (1, 130, 131), (4, 133, 134), (7, 136, 137)) + self.assert_unpack("LAB", "L", 1, (1, 0, 0), (2, 0, 0), (3, 0, 0)) + self.assert_unpack("LAB", "A", 1, (0, 1, 0), (0, 2, 0), (0, 3, 0)) + self.assert_unpack("LAB", "B", 1, (0, 0, 1), (0, 0, 2), (0, 0, 3)) def test_HSV(self): - self.assert_unpack("HSV", "HSV", 3, (1,2,3), (4,5,6), (7,8,9)) - self.assert_unpack("HSV", "H", 1, (1,0,0), (2,0,0), (3,0,0)) - self.assert_unpack("HSV", "S", 1, (0,1,0), (0,2,0), (0,3,0)) - self.assert_unpack("HSV", "V", 1, (0,0,1), (0,0,2), (0,0,3)) + self.assert_unpack("HSV", "HSV", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9)) + self.assert_unpack("HSV", "H", 1, (1, 0, 0), (2, 0, 0), (3, 0, 0)) + self.assert_unpack("HSV", "S", 1, (0, 1, 0), (0, 2, 0), (0, 3, 0)) + self.assert_unpack("HSV", "V", 1, (0, 0, 1), (0, 0, 2), (0, 0, 3)) def test_I(self): self.assert_unpack("I", "I;8", 1, 0x01, 0x02, 0x03, 0x04) - self.assert_unpack("I", "I;8S", b'\x01\x83', 1, -125) + self.assert_unpack("I", "I;8S", b"\x01\x83", 1, -125) self.assert_unpack("I", "I;16", 2, 0x0201, 0x0403) - self.assert_unpack("I", "I;16S", b'\x83\x01\x01\x83', 0x0183, -31999) + self.assert_unpack("I", "I;16S", b"\x83\x01\x01\x83", 0x0183, -31999) self.assert_unpack("I", "I;16B", 2, 0x0102, 0x0304) - self.assert_unpack("I", "I;16BS", b'\x83\x01\x01\x83', -31999, 0x0183) + self.assert_unpack("I", "I;16BS", b"\x83\x01\x01\x83", -31999, 0x0183) self.assert_unpack("I", "I;32", 4, 0x04030201, 0x08070605) - self.assert_unpack("I", "I;32S", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - 0x01000083, -2097151999) + self.assert_unpack( + "I", "I;32S", b"\x83\x00\x00\x01\x01\x00\x00\x83", 0x01000083, -2097151999 + ) self.assert_unpack("I", "I;32B", 4, 0x01020304, 0x05060708) - self.assert_unpack("I", "I;32BS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - -2097151999, 0x01000083) + self.assert_unpack( + "I", "I;32BS", b"\x83\x00\x00\x01\x01\x00\x00\x83", -2097151999, 0x01000083 + ) - if sys.byteorder == 'little': + if sys.byteorder == "little": self.assert_unpack("I", "I", 4, 0x04030201, 0x08070605) self.assert_unpack("I", "I;16N", 2, 0x0201, 0x0403) - self.assert_unpack("I", "I;16NS", b'\x83\x01\x01\x83', 0x0183, -31999) + self.assert_unpack("I", "I;16NS", b"\x83\x01\x01\x83", 0x0183, -31999) self.assert_unpack("I", "I;32N", 4, 0x04030201, 0x08070605) - self.assert_unpack("I", "I;32NS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - 0x01000083, -2097151999) + self.assert_unpack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + 0x01000083, + -2097151999, + ) else: self.assert_unpack("I", "I", 4, 0x01020304, 0x05060708) self.assert_unpack("I", "I;16N", 2, 0x0102, 0x0304) - self.assert_unpack("I", "I;16NS", b'\x83\x01\x01\x83', -31999, 0x0183) + self.assert_unpack("I", "I;16NS", b"\x83\x01\x01\x83", -31999, 0x0183) self.assert_unpack("I", "I;32N", 4, 0x01020304, 0x05060708) - self.assert_unpack("I", "I;32NS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - -2097151999, 0x01000083) + self.assert_unpack( + "I", + "I;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + -2097151999, + 0x01000083, + ) def test_F_int(self): self.assert_unpack("F", "F;8", 1, 0x01, 0x02, 0x03, 0x04) - self.assert_unpack("F", "F;8S", b'\x01\x83', 1, -125) + self.assert_unpack("F", "F;8S", b"\x01\x83", 1, -125) self.assert_unpack("F", "F;16", 2, 0x0201, 0x0403) - self.assert_unpack("F", "F;16S", b'\x83\x01\x01\x83', 0x0183, -31999) + self.assert_unpack("F", "F;16S", b"\x83\x01\x01\x83", 0x0183, -31999) self.assert_unpack("F", "F;16B", 2, 0x0102, 0x0304) - self.assert_unpack("F", "F;16BS", b'\x83\x01\x01\x83', -31999, 0x0183) + self.assert_unpack("F", "F;16BS", b"\x83\x01\x01\x83", -31999, 0x0183) self.assert_unpack("F", "F;32", 4, 67305984, 134678016) - self.assert_unpack("F", "F;32S", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - 16777348, -2097152000) + self.assert_unpack( + "F", "F;32S", b"\x83\x00\x00\x01\x01\x00\x00\x83", 16777348, -2097152000 + ) self.assert_unpack("F", "F;32B", 4, 0x01020304, 0x05060708) - self.assert_unpack("F", "F;32BS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - -2097152000, 16777348) + self.assert_unpack( + "F", "F;32BS", b"\x83\x00\x00\x01\x01\x00\x00\x83", -2097152000, 16777348 + ) - if sys.byteorder == 'little': + if sys.byteorder == "little": self.assert_unpack("F", "F;16N", 2, 0x0201, 0x0403) - self.assert_unpack("F", "F;16NS", b'\x83\x01\x01\x83', 0x0183, -31999) + self.assert_unpack("F", "F;16NS", b"\x83\x01\x01\x83", 0x0183, -31999) self.assert_unpack("F", "F;32N", 4, 67305984, 134678016) - self.assert_unpack("F", "F;32NS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - 16777348, -2097152000) + self.assert_unpack( + "F", + "F;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + 16777348, + -2097152000, + ) else: self.assert_unpack("F", "F;16N", 2, 0x0102, 0x0304) - self.assert_unpack("F", "F;16NS", b'\x83\x01\x01\x83', -31999, 0x0183) + self.assert_unpack("F", "F;16NS", b"\x83\x01\x01\x83", -31999, 0x0183) self.assert_unpack("F", "F;32N", 4, 0x01020304, 0x05060708) - self.assert_unpack("F", "F;32NS", - b'\x83\x00\x00\x01\x01\x00\x00\x83', - -2097152000, 16777348) + self.assert_unpack( + "F", + "F;32NS", + b"\x83\x00\x00\x01\x01\x00\x00\x83", + -2097152000, + 16777348, + ) def test_F_float(self): - self.assert_unpack("F", "F;32F", 4, - 1.539989614439558e-36, 4.063216068939723e-34) - self.assert_unpack("F", "F;32BF", 4, - 2.387939260590663e-38, 6.301941157072183e-36) - self.assert_unpack("F", "F;64F", - b'333333\xc3?\x00\x00\x00\x00\x00J\x93\xc0', # by struct.pack - 0.15000000596046448, -1234.5) - self.assert_unpack("F", "F;64BF", - b'?\xc3333333\xc0\x93J\x00\x00\x00\x00\x00', # by struct.pack - 0.15000000596046448, -1234.5) - - if sys.byteorder == 'little': - self.assert_unpack("F", "F", 4, - 1.539989614439558e-36, 4.063216068939723e-34) - self.assert_unpack("F", "F;32NF", 4, - 1.539989614439558e-36, 4.063216068939723e-34) - self.assert_unpack("F", "F;64NF", - b'333333\xc3?\x00\x00\x00\x00\x00J\x93\xc0', - 0.15000000596046448, -1234.5) + self.assert_unpack( + "F", "F;32F", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + self.assert_unpack( + "F", "F;32BF", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + self.assert_unpack( + "F", + "F;64F", + b"333333\xc3?\x00\x00\x00\x00\x00J\x93\xc0", # by struct.pack + 0.15000000596046448, + -1234.5, + ) + self.assert_unpack( + "F", + "F;64BF", + b"?\xc3333333\xc0\x93J\x00\x00\x00\x00\x00", # by struct.pack + 0.15000000596046448, + -1234.5, + ) + + if sys.byteorder == "little": + self.assert_unpack( + "F", "F", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + self.assert_unpack( + "F", "F;32NF", 4, 1.539989614439558e-36, 4.063216068939723e-34 + ) + self.assert_unpack( + "F", + "F;64NF", + b"333333\xc3?\x00\x00\x00\x00\x00J\x93\xc0", + 0.15000000596046448, + -1234.5, + ) else: - self.assert_unpack("F", "F", 4, - 2.387939260590663e-38, 6.301941157072183e-36) - self.assert_unpack("F", "F;32NF", 4, - 2.387939260590663e-38, 6.301941157072183e-36) - self.assert_unpack("F", "F;64NF", - b'?\xc3333333\xc0\x93J\x00\x00\x00\x00\x00', - 0.15000000596046448, -1234.5) + self.assert_unpack( + "F", "F", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + self.assert_unpack( + "F", "F;32NF", 4, 2.387939260590663e-38, 6.301941157072183e-36 + ) + self.assert_unpack( + "F", + "F;64NF", + b"?\xc3333333\xc0\x93J\x00\x00\x00\x00\x00", + 0.15000000596046448, + -1234.5, + ) def test_I16(self): self.assert_unpack("I;16", "I;16", 2, 0x0201, 0x0403, 0x0605) self.assert_unpack("I;16B", "I;16B", 2, 0x0102, 0x0304, 0x0506) self.assert_unpack("I;16L", "I;16L", 2, 0x0201, 0x0403, 0x0605) self.assert_unpack("I;16", "I;12", 2, 0x0010, 0x0203, 0x0040) - if sys.byteorder == 'little': + if sys.byteorder == "little": self.assert_unpack("I;16", "I;16N", 2, 0x0201, 0x0403, 0x0605) self.assert_unpack("I;16B", "I;16N", 2, 0x0201, 0x0403, 0x0605) self.assert_unpack("I;16L", "I;16N", 2, 0x0201, 0x0403, 0x0605) @@ -499,11 +764,18 @@ def test_I16(self): self.assert_unpack("I;16B", "I;16N", 2, 0x0102, 0x0304, 0x0506) self.assert_unpack("I;16L", "I;16N", 2, 0x0102, 0x0304, 0x0506) - def test_value_error(self): - self.assertRaises(ValueError, self.assert_unpack, "L", "L", 0, 0) - self.assertRaises(ValueError, self.assert_unpack, "RGB", "RGB", 2, 0) - self.assertRaises(ValueError, self.assert_unpack, "CMYK", "CMYK", 2, 0) - + def test_CMYK16(self): + self.assert_unpack("CMYK", "CMYK;16L", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + self.assert_unpack("CMYK", "CMYK;16B", 8, (1, 3, 5, 7), (9, 11, 13, 15)) + if sys.byteorder == "little": + self.assert_unpack("CMYK", "CMYK;16N", 8, (2, 4, 6, 8), (10, 12, 14, 16)) + else: + self.assert_unpack("CMYK", "CMYK;16N", 8, (1, 3, 5, 7), (9, 11, 13, 15)) -if __name__ == '__main__': - unittest.main() + def test_value_error(self): + with pytest.raises(ValueError): + self.assert_unpack("L", "L", 0, 0) + with pytest.raises(ValueError): + self.assert_unpack("RGB", "RGB", 2, 0) + with pytest.raises(ValueError): + self.assert_unpack("CMYK", "CMYK", 2, 0) diff --git a/Tests/test_locale.py b/Tests/test_locale.py index 14275379107..7a07fbbe0a4 100644 --- a/Tests/test_locale.py +++ b/Tests/test_locale.py @@ -1,9 +1,8 @@ -from __future__ import print_function -from helper import unittest, PillowTestCase +import locale -from PIL import Image +import pytest -import locale +from PIL import Image # ref https://github.com/python-pillow/Pillow/issues/272 # on windows, in polish locale: @@ -23,16 +22,16 @@ path = "Tests/images/hopper.jpg" -class TestLocale(PillowTestCase): - - def test_sanity(self): - Image.open(path) - try: - locale.setlocale(locale.LC_ALL, "polish") - except: - unittest.skip('Polish locale not available') - Image.open(path) - +def test_sanity(): + with Image.open(path): + pass + try: + locale.setlocale(locale.LC_ALL, "polish") + except locale.Error: + pytest.skip("Polish locale not available") -if __name__ == '__main__': - unittest.main() + try: + with Image.open(path): + pass + finally: + locale.setlocale(locale.LC_ALL, (None, None)) diff --git a/Tests/test_main.py b/Tests/test_main.py new file mode 100644 index 00000000000..46ff63c4e97 --- /dev/null +++ b/Tests/test_main.py @@ -0,0 +1,32 @@ +import os +import subprocess +import sys + + +def test_main(): + out = subprocess.check_output([sys.executable, "-m", "PIL"]).decode("utf-8") + lines = out.splitlines() + assert lines[0] == "-" * 68 + assert lines[1].startswith("Pillow ") + assert lines[2].startswith("Python ") + lines = lines[3:] + while lines[0].startswith(" "): + lines = lines[1:] + assert lines[0] == "-" * 68 + assert lines[1].startswith("Python modules loaded from ") + assert lines[2].startswith("Binary modules loaded from ") + assert lines[3] == "-" * 68 + jpeg = ( + os.linesep + + "-" * 68 + + os.linesep + + "JPEG image/jpeg" + + os.linesep + + "Extensions: .jfif, .jpe, .jpeg, .jpg" + + os.linesep + + "Features: open, save" + + os.linesep + + "-" * 68 + + os.linesep + ) + assert jpeg in out diff --git a/Tests/test_map.py b/Tests/test_map.py index 14bd835a209..42f3447ebfd 100644 --- a/Tests/test_map.py +++ b/Tests/test_map.py @@ -1,28 +1,45 @@ -from helper import PillowTestCase, unittest import sys +import pytest + from PIL import Image -@unittest.skipIf(sys.platform.startswith('win32'), "Win32 does not call map_buffer") -class TestMap(PillowTestCase): - def test_overflow(self): - # There is the potential to overflow comparisons in map.c - # if there are > SIZE_MAX bytes in the image or if - # the file encodes an offset that makes - # (offset + size(bytes)) > SIZE_MAX +def test_overflow(): + # There is the potential to overflow comparisons in map.c + # if there are > SIZE_MAX bytes in the image or if + # the file encodes an offset that makes + # (offset + size(bytes)) > SIZE_MAX - # Note that this image triggers the decompression bomb warning: - max_pixels = Image.MAX_IMAGE_PIXELS - Image.MAX_IMAGE_PIXELS = None + # Note that this image triggers the decompression bomb warning: + max_pixels = Image.MAX_IMAGE_PIXELS + Image.MAX_IMAGE_PIXELS = None - # This image hits the offset test. - im = Image.open('Tests/images/l2rgb_read.bmp') - with self.assertRaises((ValueError, MemoryError, IOError)): + # This image hits the offset test. + with Image.open("Tests/images/l2rgb_read.bmp") as im: + with pytest.raises((ValueError, MemoryError, OSError)): im.load() - Image.MAX_IMAGE_PIXELS = max_pixels + Image.MAX_IMAGE_PIXELS = max_pixels + + +def test_tobytes(): + # Note that this image triggers the decompression bomb warning: + max_pixels = Image.MAX_IMAGE_PIXELS + Image.MAX_IMAGE_PIXELS = None + + # Previously raised an access violation on Windows + with Image.open("Tests/images/l2rgb_read.bmp") as im: + with pytest.raises((ValueError, MemoryError, OSError)): + im.tobytes() + + Image.MAX_IMAGE_PIXELS = max_pixels + +@pytest.mark.skipif(sys.maxsize <= 2 ** 32, reason="Requires 64-bit system") +def test_ysize(): + numpy = pytest.importorskip("numpy", reason="NumPy not installed") -if __name__ == '__main__': - unittest.main() + # Should not raise 'Integer overflow in ysize' + arr = numpy.zeros((46341, 46341), dtype=numpy.uint8) + Image.fromarray(arr) diff --git a/Tests/test_mode_i16.py b/Tests/test_mode_i16.py index d518471996b..0571aabf495 100644 --- a/Tests/test_mode_i16.py +++ b/Tests/test_mode_i16.py @@ -1,111 +1,106 @@ -from helper import unittest, PillowTestCase, hopper - from PIL import Image +from .helper import hopper -class TestModeI16(PillowTestCase): +original = hopper().resize((32, 32)).convert("I") - original = hopper().resize((32, 32)).convert('I') - def verify(self, im1): - im2 = self.original.copy() - self.assertEqual(im1.size, im2.size) - pix1 = im1.load() - pix2 = im2.load() - for y in range(im1.size[1]): - for x in range(im1.size[0]): - xy = x, y - p1 = pix1[xy] - p2 = pix2[xy] - self.assertEqual( - p1, p2, - ("got %r from mode %s at %s, expected %r" % - (p1, im1.mode, xy, p2))) +def verify(im1): + im2 = original.copy() + assert im1.size == im2.size + pix1 = im1.load() + pix2 = im2.load() + for y in range(im1.size[1]): + for x in range(im1.size[0]): + xy = x, y + p1 = pix1[xy] + p2 = pix2[xy] + assert ( + p1 == p2 + ), f"got {repr(p1)} from mode {im1.mode} at {xy}, expected {repr(p2)}" - def test_basic(self): - # PIL 1.1 has limited support for 16-bit image data. Check that - # create/copy/transform and save works as expected. - def basic(mode): +def test_basic(tmp_path): + # PIL 1.1 has limited support for 16-bit image data. Check that + # create/copy/transform and save works as expected. - imIn = self.original.convert(mode) - self.verify(imIn) + def basic(mode): - w, h = imIn.size + imIn = original.convert(mode) + verify(imIn) - imOut = imIn.copy() - self.verify(imOut) # copy + w, h = imIn.size - imOut = imIn.transform((w, h), Image.EXTENT, (0, 0, w, h)) - self.verify(imOut) # transform + imOut = imIn.copy() + verify(imOut) # copy - filename = self.tempfile("temp.im") - imIn.save(filename) + imOut = imIn.transform((w, h), Image.EXTENT, (0, 0, w, h)) + verify(imOut) # transform - imOut = Image.open(filename) + filename = str(tmp_path / "temp.im") + imIn.save(filename) - self.verify(imIn) - self.verify(imOut) + with Image.open(filename) as imOut: - imOut = imIn.crop((0, 0, w, h)) - self.verify(imOut) + verify(imIn) + verify(imOut) - imOut = Image.new(mode, (w, h), None) - imOut.paste(imIn.crop((0, 0, w//2, h)), (0, 0)) - imOut.paste(imIn.crop((w//2, 0, w, h)), (w//2, 0)) + imOut = imIn.crop((0, 0, w, h)) + verify(imOut) - self.verify(imIn) - self.verify(imOut) + imOut = Image.new(mode, (w, h), None) + imOut.paste(imIn.crop((0, 0, w // 2, h)), (0, 0)) + imOut.paste(imIn.crop((w // 2, 0, w, h)), (w // 2, 0)) - imIn = Image.new(mode, (1, 1), 1) - self.assertEqual(imIn.getpixel((0, 0)), 1) + verify(imIn) + verify(imOut) - imIn.putpixel((0, 0), 2) - self.assertEqual(imIn.getpixel((0, 0)), 2) + imIn = Image.new(mode, (1, 1), 1) + assert imIn.getpixel((0, 0)) == 1 - if mode == "L": - maximum = 255 - else: - maximum = 32767 + imIn.putpixel((0, 0), 2) + assert imIn.getpixel((0, 0)) == 2 - imIn = Image.new(mode, (1, 1), 256) - self.assertEqual(imIn.getpixel((0, 0)), min(256, maximum)) + if mode == "L": + maximum = 255 + else: + maximum = 32767 - imIn.putpixel((0, 0), 512) - self.assertEqual(imIn.getpixel((0, 0)), min(512, maximum)) + imIn = Image.new(mode, (1, 1), 256) + assert imIn.getpixel((0, 0)) == min(256, maximum) - basic("L") + imIn.putpixel((0, 0), 512) + assert imIn.getpixel((0, 0)) == min(512, maximum) - basic("I;16") - basic("I;16B") - basic("I;16L") + basic("L") - basic("I") + basic("I;16") + basic("I;16B") + basic("I;16L") - def test_tobytes(self): + basic("I") - def tobytes(mode): - return Image.new(mode, (1, 1), 1).tobytes() - order = 1 if Image._ENDIAN == '<' else -1 +def test_tobytes(): + def tobytes(mode): + return Image.new(mode, (1, 1), 1).tobytes() - self.assertEqual(tobytes("L"), b"\x01") - self.assertEqual(tobytes("I;16"), b"\x01\x00") - self.assertEqual(tobytes("I;16B"), b"\x00\x01") - self.assertEqual(tobytes("I"), b"\x01\x00\x00\x00"[::order]) + order = 1 if Image._ENDIAN == "<" else -1 - def test_convert(self): + assert tobytes("L") == b"\x01" + assert tobytes("I;16") == b"\x01\x00" + assert tobytes("I;16B") == b"\x00\x01" + assert tobytes("I") == b"\x01\x00\x00\x00"[::order] - im = self.original.copy() - self.verify(im.convert("I;16")) - self.verify(im.convert("I;16").convert("L")) - self.verify(im.convert("I;16").convert("I")) +def test_convert(): - self.verify(im.convert("I;16B")) - self.verify(im.convert("I;16B").convert("L")) - self.verify(im.convert("I;16B").convert("I")) + im = original.copy() + verify(im.convert("I;16")) + verify(im.convert("I;16").convert("L")) + verify(im.convert("I;16").convert("I")) -if __name__ == '__main__': - unittest.main() + verify(im.convert("I;16B")) + verify(im.convert("I;16B").convert("L")) + verify(im.convert("I;16B").convert("I")) diff --git a/Tests/test_numpy.py b/Tests/test_numpy.py index 7eeee3a83f0..def7adf3f02 100644 --- a/Tests/test_numpy.py +++ b/Tests/test_numpy.py @@ -1,235 +1,239 @@ -from __future__ import print_function -import sys -from helper import unittest, PillowTestCase, hopper +import pytest from PIL import Image -try: - import site - import numpy - assert site # silence warning - assert numpy # silence warning -except ImportError: - # Skip via setUp() - pass +from .helper import assert_deep_equal, assert_image, hopper + +numpy = pytest.importorskip("numpy", reason="NumPy not installed") TEST_IMAGE_SIZE = (10, 10) -# Numpy on pypy as of pypy 5.3.1 is corrupting the numpy.array(Image) -# call such that it's returning a object of type numpy.ndarray, but -# the repr is that of a PIL.Image. Size and shape are 1 and (), not the -# size and shape of the array. This causes failures in several tests. -SKIP_NUMPY_ON_PYPY = hasattr(sys, 'pypy_version_info') and ( - sys.pypy_version_info <= (5, 3, 1, 'final', 0)) - - -class TestNumpy(PillowTestCase): - - def setUp(self): - try: - import site - import numpy - assert site # silence warning - assert numpy # silence warning - except ImportError: - self.skipTest("ImportError") - - def test_numpy_to_image(self): - - def to_image(dtype, bands=1, boolean=0): - if bands == 1: - if boolean: - data = [0, 255] * 50 - else: - data = list(range(100)) - a = numpy.array(data, dtype=dtype) - a.shape = TEST_IMAGE_SIZE - i = Image.fromarray(a) - if list(i.getdata()) != data: - print("data mismatch for", dtype) + +def test_numpy_to_image(): + def to_image(dtype, bands=1, boolean=0): + if bands == 1: + if boolean: + data = [0, 255] * 50 else: data = list(range(100)) - a = numpy.array([[x]*bands for x in data], dtype=dtype) - a.shape = TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], bands - i = Image.fromarray(a) - if list(i.getchannel(0).getdata()) != list(range(100)): - print("data mismatch for", dtype) - # print(dtype, list(i.getdata())) - return i - - # Check supported 1-bit integer formats - self.assert_image(to_image(numpy.bool, 1, 1), '1', TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.bool8, 1, 1), '1', TEST_IMAGE_SIZE) - - # Check supported 8-bit integer formats - self.assert_image(to_image(numpy.uint8), "L", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.uint8, 3), "RGB", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.uint8, 4), "RGBA", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.int8), "I", TEST_IMAGE_SIZE) - - # Check non-fixed-size integer types - # These may fail, depending on the platform, since we have no native - # 64 bit int image types. - # self.assert_image(to_image(numpy.uint), "I", TEST_IMAGE_SIZE) - # self.assert_image(to_image(numpy.int), "I", TEST_IMAGE_SIZE) - - # Check 16-bit integer formats - if Image._ENDIAN == '<': - self.assert_image(to_image(numpy.uint16), "I;16", TEST_IMAGE_SIZE) + a = numpy.array(data, dtype=dtype) + a.shape = TEST_IMAGE_SIZE + i = Image.fromarray(a) + if list(i.getdata()) != data: + print("data mismatch for", dtype) else: - self.assert_image(to_image(numpy.uint16), "I;16B", TEST_IMAGE_SIZE) - - self.assert_image(to_image(numpy.int16), "I", TEST_IMAGE_SIZE) - - # Check 32-bit integer formats - self.assert_image(to_image(numpy.uint32), "I", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.int32), "I", TEST_IMAGE_SIZE) - - # Check 64-bit integer formats - self.assertRaises(TypeError, to_image, numpy.uint64) - self.assertRaises(TypeError, to_image, numpy.int64) - - # Check floating-point formats - self.assert_image(to_image(numpy.float), "F", TEST_IMAGE_SIZE) - self.assertRaises(TypeError, to_image, numpy.float16) - self.assert_image(to_image(numpy.float32), "F", TEST_IMAGE_SIZE) - self.assert_image(to_image(numpy.float64), "F", TEST_IMAGE_SIZE) - - self.assert_image(to_image(numpy.uint8, 2), "LA", (10, 10)) - self.assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10)) - self.assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10)) - - # based on an erring example at - # https://stackoverflow.com/questions/10854903/what-is-causing-dimension-dependent-attributeerror-in-pil-fromarray-function - def test_3d_array(self): - size = (5, TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1]) - a = numpy.ones(size, dtype=numpy.uint8) - self.assert_image(Image.fromarray(a[1, :, :]), "L", TEST_IMAGE_SIZE) - size = (TEST_IMAGE_SIZE[0], 5, TEST_IMAGE_SIZE[1]) - a = numpy.ones(size, dtype=numpy.uint8) - self.assert_image(Image.fromarray(a[:, 1, :]), "L", TEST_IMAGE_SIZE) - size = (TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], 5) - a = numpy.ones(size, dtype=numpy.uint8) - self.assert_image(Image.fromarray(a[:, :, 1]), "L", TEST_IMAGE_SIZE) - - def _test_img_equals_nparray(self, img, np): - self.assertGreaterEqual(len(np.shape), 2) - np_size = np.shape[1], np.shape[0] - self.assertEqual(img.size, np_size) - px = img.load() - for x in range(0, img.size[0], int(img.size[0]/10)): - for y in range(0, img.size[1], int(img.size[1]/10)): - self.assert_deep_equal(px[x, y], np[y, x]) - - @unittest.skipIf(SKIP_NUMPY_ON_PYPY, "numpy.array(Image) is flaky on PyPy") - def test_16bit(self): - img = Image.open('Tests/images/16bit.cropped.tif') + data = list(range(100)) + a = numpy.array([[x] * bands for x in data], dtype=dtype) + a.shape = TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], bands + i = Image.fromarray(a) + if list(i.getchannel(0).getdata()) != list(range(100)): + print("data mismatch for", dtype) + return i + + # Check supported 1-bit integer formats + assert_image(to_image(bool, 1, 1), "1", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.bool8, 1, 1), "1", TEST_IMAGE_SIZE) + + # Check supported 8-bit integer formats + assert_image(to_image(numpy.uint8), "L", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.uint8, 3), "RGB", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.uint8, 4), "RGBA", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.int8), "I", TEST_IMAGE_SIZE) + + # Check non-fixed-size integer types + # These may fail, depending on the platform, since we have no native + # 64-bit int image types. + # assert_image(to_image(numpy.uint), "I", TEST_IMAGE_SIZE) + # assert_image(to_image(numpy.int), "I", TEST_IMAGE_SIZE) + + # Check 16-bit integer formats + if Image._ENDIAN == "<": + assert_image(to_image(numpy.uint16), "I;16", TEST_IMAGE_SIZE) + else: + assert_image(to_image(numpy.uint16), "I;16B", TEST_IMAGE_SIZE) + + assert_image(to_image(numpy.int16), "I", TEST_IMAGE_SIZE) + + # Check 32-bit integer formats + assert_image(to_image(numpy.uint32), "I", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.int32), "I", TEST_IMAGE_SIZE) + + # Check 64-bit integer formats + with pytest.raises(TypeError): + to_image(numpy.uint64) + with pytest.raises(TypeError): + to_image(numpy.int64) + + # Check floating-point formats + assert_image(to_image(float), "F", TEST_IMAGE_SIZE) + with pytest.raises(TypeError): + to_image(numpy.float16) + assert_image(to_image(numpy.float32), "F", TEST_IMAGE_SIZE) + assert_image(to_image(numpy.float64), "F", TEST_IMAGE_SIZE) + + assert_image(to_image(numpy.uint8, 2), "LA", (10, 10)) + assert_image(to_image(numpy.uint8, 3), "RGB", (10, 10)) + assert_image(to_image(numpy.uint8, 4), "RGBA", (10, 10)) + + +# Based on an erring example at +# https://stackoverflow.com/questions/10854903/what-is-causing-dimension-dependent-attributeerror-in-pil-fromarray-function +def test_3d_array(): + size = (5, TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1]) + a = numpy.ones(size, dtype=numpy.uint8) + assert_image(Image.fromarray(a[1, :, :]), "L", TEST_IMAGE_SIZE) + size = (TEST_IMAGE_SIZE[0], 5, TEST_IMAGE_SIZE[1]) + a = numpy.ones(size, dtype=numpy.uint8) + assert_image(Image.fromarray(a[:, 1, :]), "L", TEST_IMAGE_SIZE) + size = (TEST_IMAGE_SIZE[0], TEST_IMAGE_SIZE[1], 5) + a = numpy.ones(size, dtype=numpy.uint8) + assert_image(Image.fromarray(a[:, :, 1]), "L", TEST_IMAGE_SIZE) + + +def test_1d_array(): + a = numpy.ones(5, dtype=numpy.uint8) + assert_image(Image.fromarray(a), "L", (1, 5)) + + +def _test_img_equals_nparray(img, np): + assert len(np.shape) >= 2 + np_size = np.shape[1], np.shape[0] + assert img.size == np_size + px = img.load() + for x in range(0, img.size[0], int(img.size[0] / 10)): + for y in range(0, img.size[1], int(img.size[1] / 10)): + assert_deep_equal(px[x, y], np[y, x]) + + +def test_16bit(): + with Image.open("Tests/images/16bit.cropped.tif") as img: np_img = numpy.array(img) - self._test_img_equals_nparray(img, np_img) - self.assertEqual(np_img.dtype, numpy.dtype('u2'), - ("I;16L", 'u2"), + ("I;16L", "", 0) == (b"\x90\x1F\xA3", 8) + assert PdfParser.get_value(b"asd < 9 0 1 f A > qwe", 3) == (b"\x90\x1F\xA0", 17) + assert PdfParser.get_value(b"(asd)", 0) == (b"asd", 5) + assert PdfParser.get_value(b"(asd(qwe)zxc)zzz(aaa)", 0) == (b"asd(qwe)zxc", 13) + assert PdfParser.get_value(b"(Two \\\nwords.)", 0) == (b"Two words.", 14) + assert PdfParser.get_value(b"(Two\nlines.)", 0) == (b"Two\nlines.", 12) + assert PdfParser.get_value(b"(Two\r\nlines.)", 0) == (b"Two\nlines.", 13) + assert PdfParser.get_value(b"(Two\\nlines.)", 0) == (b"Two\nlines.", 13) + assert PdfParser.get_value(b"(One\\(paren).", 0) == (b"One(paren", 12) + assert PdfParser.get_value(b"(One\\)paren).", 0) == (b"One)paren", 12) + assert PdfParser.get_value(b"(\\0053)", 0) == (b"\x053", 7) + assert PdfParser.get_value(b"(\\053)", 0) == (b"\x2B", 6) + assert PdfParser.get_value(b"(\\53)", 0) == (b"\x2B", 5) + assert PdfParser.get_value(b"(\\53a)", 0) == (b"\x2Ba", 6) + assert PdfParser.get_value(b"(\\1111)", 0) == (b"\x491", 7) + assert PdfParser.get_value(b" 123 (", 0) == (123, 4) + assert round(abs(PdfParser.get_value(b" 123.4 %", 0)[0] - 123.4), 7) == 0 + assert PdfParser.get_value(b" 123.4 %", 0)[1] == 6 + with pytest.raises(PdfFormatError): + PdfParser.get_value(b"]", 0) + d = PdfParser.get_value(b"<>", 0)[0] + assert isinstance(d, PdfDict) + assert len(d) == 2 + assert d.Name == "value" + assert d[b"Name"] == b"value" + assert d.N == PdfName("V") + a = PdfParser.get_value(b"[/Name (value) /N /V]", 0)[0] + assert isinstance(a, list) + assert len(a) == 4 + assert a[0] == PdfName("Name") + s = PdfParser.get_value( + b"<>\nstream\nabcde\nendstream<<...", 0 + )[0] + assert isinstance(s, PdfStream) + assert s.dictionary.Name == "value" + assert s.decode() == b"abcde" + for name in ["CreationDate", "ModDate"]: + for date, value in { + b"20180729214124": "20180729214124", + b"D:20180729214124": "20180729214124", + b"D:2018072921": "20180729210000", + b"D:20180729214124Z": "20180729214124", + b"D:20180729214124+08'00'": "20180729134124", + b"D:20180729214124-05'00'": "20180730024124", + }.items(): + d = PdfParser.get_value(b"<>", 0)[ + 0 + ] + assert time.strftime("%Y%m%d%H%M%S", getattr(d, name)) == value + + +def test_pdf_repr(): + assert bytes(IndirectReference(1, 2)) == b"1 2 R" + assert bytes(IndirectObjectDef(*IndirectReference(1, 2))) == b"1 2 obj" + assert bytes(PdfName(b"Name#Hash")) == b"/Name#23Hash" + assert bytes(PdfName("Name#Hash")) == b"/Name#23Hash" + assert bytes(PdfDict({b"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + assert bytes(PdfDict({"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + assert pdf_repr(IndirectReference(1, 2)) == b"1 2 R" + assert pdf_repr(IndirectObjectDef(*IndirectReference(1, 2))) == b"1 2 obj" + assert pdf_repr(PdfName(b"Name#Hash")) == b"/Name#23Hash" + assert pdf_repr(PdfName("Name#Hash")) == b"/Name#23Hash" + assert ( + pdf_repr(PdfDict({b"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + ) + assert ( + pdf_repr(PdfDict({"Name": IndirectReference(1, 2)})) == b"<<\n/Name 1 2 R\n>>" + ) + assert pdf_repr(123) == b"123" + assert pdf_repr(True) == b"true" + assert pdf_repr(False) == b"false" + assert pdf_repr(None) == b"null" + assert pdf_repr(b"a)/b\\(c") == br"(a\)/b\\\(c)" + assert pdf_repr([123, True, {"a": PdfName(b"b")}]) == b"[ 123 true <<\n/a /b\n>> ]" + assert pdf_repr(PdfBinary(b"\x90\x1F\xA0")) == b"<901FA0>" diff --git a/Tests/test_pickle.py b/Tests/test_pickle.py index 69eb60949dd..5fd04585563 100644 --- a/Tests/test_pickle.py +++ b/Tests/test_pickle.py @@ -1,29 +1,34 @@ -from helper import unittest, PillowTestCase +import pickle -from PIL import Image +import pytest +from PIL import Image, ImageDraw, ImageFont -class TestPickle(PillowTestCase): +from .helper import assert_image_equal, skip_unless_feature - def helper_pickle_file(self, pickle, protocol=0, mode=None): - # Arrange - im = Image.open('Tests/images/hopper.jpg') - filename = self.tempfile('temp.pkl') +FONT_SIZE = 20 +FONT_PATH = "Tests/fonts/DejaVuSans/DejaVuSans.ttf" + + +def helper_pickle_file(tmp_path, pickle, protocol, test_file, mode): + # Arrange + with Image.open(test_file) as im: + filename = str(tmp_path / "temp.pkl") if mode: im = im.convert(mode) # Act - with open(filename, 'wb') as f: + with open(filename, "wb") as f: pickle.dump(im, f, protocol) - with open(filename, 'rb') as f: + with open(filename, "rb") as f: loaded_im = pickle.load(f) # Assert - self.assertEqual(im, loaded_im) + assert im == loaded_im + - def helper_pickle_string(self, pickle, protocol=0, - test_file='Tests/images/hopper.jpg', mode=None): - im = Image.open(test_file) +def helper_pickle_string(pickle, protocol, test_file, mode): + with Image.open(test_file) as im: if mode: im = im.convert(mode) @@ -32,65 +37,106 @@ def helper_pickle_string(self, pickle, protocol=0, loaded_im = pickle.loads(dumped_string) # Assert - self.assertEqual(im, loaded_im) - - def test_pickle_image(self): - # Arrange - import pickle - - # Act / Assert - for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(pickle, protocol) - self.helper_pickle_file(pickle, protocol) - - def test_cpickle_image(self): - # Arrange - try: - import cPickle - except ImportError: - return - - # Act / Assert - for protocol in range(0, cPickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(cPickle, protocol) - self.helper_pickle_file(cPickle, protocol) - - def test_pickle_p_mode(self): - # Arrange - import pickle - - # Act / Assert - for test_file in [ - "Tests/images/test-card.png", - "Tests/images/zero_bb.png", - "Tests/images/zero_bb_scale2.png", - "Tests/images/non_zero_bb.png", - "Tests/images/non_zero_bb_scale2.png", - "Tests/images/p_trns_single.png", - "Tests/images/pil123p.png" - ]: - self.helper_pickle_string(pickle, test_file=test_file) - - def test_pickle_l_mode(self): - # Arrange - import pickle - - # Act / Assert - for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(pickle, protocol, mode="L") - self.helper_pickle_file(pickle, protocol, mode="L") - - def test_cpickle_l_mode(self): - # Arrange - try: - import cPickle - except ImportError: - return - - # Act / Assert - for protocol in range(0, cPickle.HIGHEST_PROTOCOL + 1): - self.helper_pickle_string(cPickle, protocol, mode="L") - self.helper_pickle_file(cPickle, protocol, mode="L") - -if __name__ == '__main__': - unittest.main() + assert im == loaded_im + + +@pytest.mark.parametrize( + ("test_file", "test_mode"), + [ + ("Tests/images/hopper.jpg", None), + ("Tests/images/hopper.jpg", "L"), + ("Tests/images/hopper.jpg", "PA"), + pytest.param( + "Tests/images/hopper.webp", None, marks=skip_unless_feature("webp") + ), + ("Tests/images/hopper.tif", None), + ("Tests/images/test-card.png", None), + ("Tests/images/zero_bb.png", None), + ("Tests/images/zero_bb_scale2.png", None), + ("Tests/images/non_zero_bb.png", None), + ("Tests/images/non_zero_bb_scale2.png", None), + ("Tests/images/p_trns_single.png", None), + ("Tests/images/pil123p.png", None), + ("Tests/images/itxt_chunks.png", None), + ], +) +def test_pickle_image(tmp_path, test_file, test_mode): + # Act / Assert + for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): + helper_pickle_string(pickle, protocol, test_file, test_mode) + helper_pickle_file(tmp_path, pickle, protocol, test_file, test_mode) + + +def test_pickle_la_mode_with_palette(tmp_path): + # Arrange + filename = str(tmp_path / "temp.pkl") + with Image.open("Tests/images/hopper.jpg") as im: + im = im.convert("PA") + + # Act / Assert + for protocol in range(0, pickle.HIGHEST_PROTOCOL + 1): + im.mode = "LA" + with open(filename, "wb") as f: + pickle.dump(im, f, protocol) + with open(filename, "rb") as f: + loaded_im = pickle.load(f) + + im.mode = "PA" + assert im == loaded_im + + +@skip_unless_feature("webp") +def test_pickle_tell(): + # Arrange + with Image.open("Tests/images/hopper.webp") as image: + + # Act: roundtrip + unpickled_image = pickle.loads(pickle.dumps(image)) + + # Assert + assert unpickled_image.tell() == 0 + + +def helper_assert_pickled_font_images(font1, font2): + # Arrange + im1 = Image.new(mode="RGBA", size=(300, 100)) + im2 = Image.new(mode="RGBA", size=(300, 100)) + draw1 = ImageDraw.Draw(im1) + draw2 = ImageDraw.Draw(im2) + txt = "Hello World!" + + # Act + draw1.text((10, 10), txt, font=font1) + draw2.text((10, 10), txt, font=font2) + + # Assert + assert_image_equal(im1, im2) + + +@pytest.mark.parametrize("protocol", list(range(0, pickle.HIGHEST_PROTOCOL + 1))) +def test_pickle_font_string(protocol): + # Arrange + font = ImageFont.truetype(FONT_PATH, FONT_SIZE) + + # Act: roundtrip + pickled_font = pickle.dumps(font, protocol) + unpickled_font = pickle.loads(pickled_font) + + # Assert + helper_assert_pickled_font_images(font, unpickled_font) + + +@pytest.mark.parametrize("protocol", list(range(0, pickle.HIGHEST_PROTOCOL + 1))) +def test_pickle_font_file(tmp_path, protocol): + # Arrange + font = ImageFont.truetype(FONT_PATH, FONT_SIZE) + filename = str(tmp_path / "temp.pkl") + + # Act: roundtrip + with open(filename, "wb") as f: + pickle.dump(font, f, protocol) + with open(filename, "rb") as f: + unpickled_font = pickle.load(f) + + # Assert + helper_assert_pickled_font_images(font, unpickled_font) diff --git a/Tests/test_psdraw.py b/Tests/test_psdraw.py index 17fa3662b97..e74d798282a 100644 --- a/Tests/test_psdraw.py +++ b/Tests/test_psdraw.py @@ -1,67 +1,73 @@ -from helper import unittest, PillowTestCase - -from PIL import Image, PSDraw import os import sys +from io import BytesIO +import pytest + +from PIL import Image, PSDraw -class TestPsDraw(PillowTestCase): - def _create_document(self, ps): - im = Image.open("Tests/images/hopper.ppm") - title = "hopper" - box = (1*72, 2*72, 7*72, 10*72) # in points +def _create_document(ps): + title = "hopper" + box = (1 * 72, 2 * 72, 7 * 72, 10 * 72) # in points - ps.begin_document(title) + ps.begin_document(title) - # draw diagonal lines in a cross - ps.line((1*72, 2*72), (7*72, 10*72)) - ps.line((7*72, 2*72), (1*72, 10*72)) + # draw diagonal lines in a cross + ps.line((1 * 72, 2 * 72), (7 * 72, 10 * 72)) + ps.line((7 * 72, 2 * 72), (1 * 72, 10 * 72)) - # draw the image (75 dpi) + # draw the image (75 dpi) + with Image.open("Tests/images/hopper.ppm") as im: ps.image(box, im, 75) - ps.rectangle(box) + ps.rectangle(box) + + # draw title + ps.setfont("Courier", 36) + ps.text((3 * 72, 4 * 72), title) + + ps.end_document() + - # draw title - ps.setfont("Courier", 36) - ps.text((3*72, 4*72), title) +def test_draw_postscript(tmp_path): + # Based on Pillow tutorial, but there is no textsize: + # https://pillow.readthedocs.io/en/latest/handbook/tutorial.html#drawing-postscript - ps.end_document() + # Arrange + tempfile = str(tmp_path / "temp.ps") + with open(tempfile, "wb") as fp: + # Act + ps = PSDraw.PSDraw(fp) + _create_document(ps) - def test_draw_postscript(self): + # Assert + # Check non-zero file was created + assert os.path.isfile(tempfile) + assert os.path.getsize(tempfile) > 0 - # Based on Pillow tutorial, but there is no textsize: - # https://pillow.readthedocs.io/en/latest/handbook/tutorial.html#drawing-postscript - # Arrange - tempfile = self.tempfile('temp.ps') - with open(tempfile, "wb") as fp: - # Act - ps = PSDraw.PSDraw(fp) - self._create_document(ps) +@pytest.mark.parametrize("buffer", (True, False)) +def test_stdout(buffer): + # Temporarily redirect stdout + old_stdout = sys.stdout - # Assert - # Check non-zero file was created - self.assertTrue(os.path.isfile(tempfile)) - self.assertGreater(os.path.getsize(tempfile), 0) + if buffer: - def test_stdout(self): - # Temporarily redirect stdout - try: - from cStringIO import StringIO - except ImportError: - from io import StringIO - old_stdout = sys.stdout - sys.stdout = mystdout = StringIO() + class MyStdOut: + buffer = BytesIO() - ps = PSDraw.PSDraw() - self._create_document(ps) + mystdout = MyStdOut() + else: + mystdout = BytesIO() - # Reset stdout - sys.stdout = old_stdout + sys.stdout = mystdout - self.assertNotEqual(mystdout.getvalue(), "") + ps = PSDraw.PSDraw() + _create_document(ps) + # Reset stdout + sys.stdout = old_stdout -if __name__ == '__main__': - unittest.main() + if buffer: + mystdout = mystdout.buffer + assert mystdout.getvalue() != b"" diff --git a/Tests/test_pyroma.py b/Tests/test_pyroma.py index 962535f03fa..aa05c2cfdd8 100644 --- a/Tests/test_pyroma.py +++ b/Tests/test_pyroma.py @@ -1,41 +1,25 @@ -from helper import unittest, PillowTestCase +import pytest -from PIL import PILLOW_VERSION +from PIL import __version__ -try: - import pyroma -except ImportError: - # Skip via setUp() - pass +pyroma = pytest.importorskip("pyroma", reason="Pyroma not installed") -class TestPyroma(PillowTestCase): +def test_pyroma(): + # Arrange + data = pyroma.projectdata.get_data(".") - def setUp(self): - try: - import pyroma - assert pyroma # Ignore warning - except ImportError: - self.skipTest("ImportError") + # Act + rating = pyroma.ratings.rate(data) - def test_pyroma(self): - # Arrange - data = pyroma.projectdata.get_data(".") + # Assert + if "rc" in __version__: + # Pyroma needs to chill about RC versions and not kill all our tests. + assert rating == ( + 9, + ["The package's version number does not comply with PEP-386."], + ) - # Act - rating = pyroma.ratings.rate(data) - - # Assert - if 'rc' in PILLOW_VERSION: - # Pyroma needs to chill about RC versions - # and not kill all our tests. - self.assertEqual(rating, (9, [ - "The package's version number does not comply with PEP-386."])) - - else: - # Should have a perfect score - self.assertEqual(rating, (10, [])) - - -if __name__ == '__main__': - unittest.main() + else: + # Should have a perfect score + assert rating == (10, []) diff --git a/Tests/test_qt_image_qapplication.py b/Tests/test_qt_image_qapplication.py new file mode 100644 index 00000000000..dec790c5069 --- /dev/null +++ b/Tests/test_qt_image_qapplication.py @@ -0,0 +1,88 @@ +import pytest + +from PIL import ImageQt + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +if ImageQt.qt_is_installed: + from PIL.ImageQt import QPixmap + + if ImageQt.qt_version == "6": + from PyQt6.QtCore import QPoint + from PyQt6.QtGui import QImage, QPainter, QRegion + from PyQt6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + elif ImageQt.qt_version == "side6": + from PySide6.QtCore import QPoint + from PySide6.QtGui import QImage, QPainter, QRegion + from PySide6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + elif ImageQt.qt_version == "5": + from PyQt5.QtCore import QPoint + from PyQt5.QtGui import QImage, QPainter, QRegion + from PyQt5.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + elif ImageQt.qt_version == "side2": + from PySide2.QtCore import QPoint + from PySide2.QtGui import QImage, QPainter, QRegion + from PySide2.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget + + class Example(QWidget): + def __init__(self): + super().__init__() + + img = hopper().resize((1000, 1000)) + + qimage = ImageQt.ImageQt(img) + + pixmap1 = ImageQt.QPixmap.fromImage(qimage) + + QHBoxLayout(self) # hbox + + lbl = QLabel(self) + # Segfault in the problem + lbl.setPixmap(pixmap1.copy()) + + +def roundtrip(expected): + result = ImageQt.fromqpixmap(ImageQt.toqpixmap(expected)) + # Qt saves all pixmaps as rgb + assert_image_equal(result, expected.convert("RGB")) + + +@pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed") +def test_sanity(tmp_path): + # Segfault test + app = QApplication([]) + ex = Example() + assert app # Silence warning + assert ex # Silence warning + + for mode in ("1", "RGB", "RGBA", "L", "P"): + # to QPixmap + im = hopper(mode) + data = ImageQt.toqpixmap(im) + + assert isinstance(data, QPixmap) + assert not data.isNull() + + # Test saving the file + tempfile = str(tmp_path / f"temp_{mode}.png") + data.save(tempfile) + + # Render the image + qimage = ImageQt.ImageQt(im) + data = QPixmap.fromImage(qimage) + qt_format = QImage.Format if ImageQt.qt_version == "6" else QImage + qimage = QImage(128, 128, qt_format.Format_ARGB32) + painter = QPainter(qimage) + image_label = QLabel() + image_label.setPixmap(data) + image_label.render(painter, QPoint(0, 0), QRegion(0, 0, 128, 128)) + painter.end() + rendered_tempfile = str(tmp_path / f"temp_rendered_{mode}.png") + qimage.save(rendered_tempfile) + assert_image_equal_tofile(im.convert("RGBA"), rendered_tempfile) + + # from QPixmap + roundtrip(hopper(mode)) + + app.quit() + app = None diff --git a/Tests/test_qt_image_toqimage.py b/Tests/test_qt_image_toqimage.py new file mode 100644 index 00000000000..2a6b29abebc --- /dev/null +++ b/Tests/test_qt_image_toqimage.py @@ -0,0 +1,43 @@ +import pytest + +from PIL import ImageQt + +from .helper import assert_image_equal, assert_image_equal_tofile, hopper + +pytestmark = pytest.mark.skipif( + not ImageQt.qt_is_installed, reason="Qt bindings are not installed" +) + +if ImageQt.qt_is_installed: + from PIL.ImageQt import QImage + + +def test_sanity(tmp_path): + for mode in ("RGB", "RGBA", "L", "P", "1"): + src = hopper(mode) + data = ImageQt.toqimage(src) + + assert isinstance(data, QImage) + assert not data.isNull() + + # reload directly from the qimage + rt = ImageQt.fromqimage(data) + if mode in ("L", "P", "1"): + assert_image_equal(rt, src.convert("RGB")) + else: + assert_image_equal(rt, src) + + if mode == "1": + # BW appears to not save correctly on QT4 and QT5 + # kicks out errors on console: + # libpng warning: Invalid color type/bit depth combination + # in IHDR + # libpng error: Invalid IHDR data + continue + + # Test saving the file + tempfile = str(tmp_path / f"temp_{mode}.png") + data.save(tempfile) + + # Check that it actually worked. + assert_image_equal_tofile(src, tempfile) diff --git a/Tests/test_scipy.py b/Tests/test_scipy.py deleted file mode 100644 index 18c4403a080..00000000000 --- a/Tests/test_scipy.py +++ /dev/null @@ -1,53 +0,0 @@ -from helper import unittest, PillowTestCase -from distutils.version import LooseVersion -try: - import numpy as np - from numpy.testing import assert_equal - - from scipy import misc - import scipy - HAS_SCIPY = True -except ImportError: - HAS_SCIPY = False - - -class Test_scipy_resize(PillowTestCase): - """ Tests for scipy regression in Pillow 2.6.0 - - Tests from https://github.com/scipy/scipy/blob/master/scipy/misc/pilutil.py - """ - - def setUp(self): - if not HAS_SCIPY: - self.skipTest("Scipy Required") - - def test_imresize(self): - im = np.random.random((10, 20)) - for T in np.sctypes['float'] + [float]: - # 1.1 rounds to below 1.1 for float16, 1.101 works - im1 = misc.imresize(im, T(1.101)) - self.assertEqual(im1.shape, (11, 22)) - - # this test fails prior to scipy 0.14.0b1 - # https://github.com/scipy/scipy/commit/855ff1fff805fb91840cf36b7082d18565fc8352 - @unittest.skipIf(HAS_SCIPY and - (LooseVersion(scipy.__version__) < LooseVersion('0.14.0')), - "Test fails on scipy < 0.14.0") - def test_imresize4(self): - im = np.array([[1, 2], - [3, 4]]) - res = np.array([[1., 1.25, 1.75, 2.], - [1.5, 1.75, 2.25, 2.5], - [2.5, 2.75, 3.25, 3.5], - [3., 3.25, 3.75, 4.]], dtype=np.float32) - # Check that resizing by target size, float and int are the same - im2 = misc.imresize(im, (4, 4), mode='F') # output size - im3 = misc.imresize(im, 2., mode='F') # fraction - im4 = misc.imresize(im, 200, mode='F') # percentage - assert_equal(im2, res) - assert_equal(im3, res) - assert_equal(im4, res) - - -if __name__ == '__main__': - unittest.main() diff --git a/Tests/test_sgi_crash.py b/Tests/test_sgi_crash.py new file mode 100644 index 00000000000..b5f9d442490 --- /dev/null +++ b/Tests/test_sgi_crash.py @@ -0,0 +1,26 @@ +import pytest + +from PIL import Image + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/sgi_overrun_expandrowF04.bin", + "Tests/images/sgi_crash.bin", + "Tests/images/crash-6b7f2244da6d0ae297ee0754a424213444e92778.sgi", + "Tests/images/ossfuzz-5730089102868480.sgi", + "Tests/images/crash-754d9c7ec485ffb76a90eeaab191ef69a2a3a3cd.sgi", + "Tests/images/crash-465703f71a0f0094873a3e0e82c9f798161171b8.sgi", + "Tests/images/crash-64834657ee604b8797bf99eac6a194c124a9a8ba.sgi", + "Tests/images/crash-abcf1c97b8fe42a6c68f1fb0b978530c98d57ced.sgi", + "Tests/images/crash-b82e64d4f3f76d7465b6af535283029eda211259.sgi", + "Tests/images/crash-c1b2595b8b0b92cc5f38b6635e98e3a119ade807.sgi", + "Tests/images/crash-db8bfa78b19721225425530c5946217720d7df4e.sgi", + ], +) +def test_crashes(test_file): + with open(test_file, "rb") as f: + with Image.open(f) as im: + with pytest.raises(OSError): + im.load() diff --git a/Tests/test_shell_injection.py b/Tests/test_shell_injection.py index acfea3baecd..d25d42dfca3 100644 --- a/Tests/test_shell_injection.py +++ b/Tests/test_shell_injection.py @@ -1,57 +1,49 @@ -from helper import unittest, PillowTestCase -from helper import djpeg_available, cjpeg_available, netpbm_available - -import sys import shutil -from PIL import Image, JpegImagePlugin, GifImagePlugin +import pytest + +from PIL import GifImagePlugin, Image, JpegImagePlugin + +from .helper import cjpeg_available, djpeg_available, is_win32, netpbm_available TEST_JPG = "Tests/images/hopper.jpg" TEST_GIF = "Tests/images/hopper.gif" -test_filenames = ( - "temp_';", - "temp_\";", - "temp_'\"|", - "temp_'\"||", - "temp_'\"&&", -) +test_filenames = ("temp_';", 'temp_";', "temp_'\"|", "temp_'\"||", "temp_'\"&&") -@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or MacOS") -class TestShellInjection(PillowTestCase): - - def assert_save_filename_check(self, src_img, save_func): +@pytest.mark.skipif(is_win32(), reason="Requires Unix or macOS") +class TestShellInjection: + def assert_save_filename_check(self, tmp_path, src_img, save_func): for filename in test_filenames: - dest_file = self.tempfile(filename) + dest_file = str(tmp_path / filename) save_func(src_img, 0, dest_file) # If file can't be opened, shell injection probably occurred - Image.open(dest_file).load() + with Image.open(dest_file) as im: + im.load() - @unittest.skipUnless(djpeg_available(), "djpeg not available") - def test_load_djpeg_filename(self): + @pytest.mark.skipif(not djpeg_available(), reason="djpeg not available") + def test_load_djpeg_filename(self, tmp_path): for filename in test_filenames: - src_file = self.tempfile(filename) + src_file = str(tmp_path / filename) shutil.copy(TEST_JPG, src_file) - im = Image.open(src_file) - im.load_djpeg() - - @unittest.skipUnless(cjpeg_available(), "cjpeg not available") - def test_save_cjpeg_filename(self): - im = Image.open(TEST_JPG) - self.assert_save_filename_check(im, JpegImagePlugin._save_cjpeg) - - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_filename_bmp_mode(self): - im = Image.open(TEST_GIF).convert("RGB") - self.assert_save_filename_check(im, GifImagePlugin._save_netpbm) - - @unittest.skipUnless(netpbm_available(), "netpbm not available") - def test_save_netpbm_filename_l_mode(self): - im = Image.open(TEST_GIF).convert("L") - self.assert_save_filename_check(im, GifImagePlugin._save_netpbm) - - -if __name__ == '__main__': - unittest.main() + with Image.open(src_file) as im: + im.load_djpeg() + + @pytest.mark.skipif(not cjpeg_available(), reason="cjpeg not available") + def test_save_cjpeg_filename(self, tmp_path): + with Image.open(TEST_JPG) as im: + self.assert_save_filename_check(tmp_path, im, JpegImagePlugin._save_cjpeg) + + @pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") + def test_save_netpbm_filename_bmp_mode(self, tmp_path): + with Image.open(TEST_GIF) as im: + im = im.convert("RGB") + self.assert_save_filename_check(tmp_path, im, GifImagePlugin._save_netpbm) + + @pytest.mark.skipif(not netpbm_available(), reason="Netpbm not available") + def test_save_netpbm_filename_l_mode(self, tmp_path): + with Image.open(TEST_GIF) as im: + im = im.convert("L") + self.assert_save_filename_check(tmp_path, im, GifImagePlugin._save_netpbm) diff --git a/Tests/test_tiff_crashes.py b/Tests/test_tiff_crashes.py new file mode 100644 index 00000000000..143765b8eec --- /dev/null +++ b/Tests/test_tiff_crashes.py @@ -0,0 +1,54 @@ +# Reproductions/tests for crashes/read errors in TiffDecode.c + +# When run in Python, all of these images should fail for +# one reason or another, either as a buffer overrun, +# unrecognized datastream, or truncated image file. +# There shouldn't be any segfaults. +# +# if run like +# `valgrind --tool=memcheck pytest test_tiff_crashes.py 2>&1 | grep TiffDecode.c` +# the output should be empty. There may be Python issues +# in the valgrind especially if run in a debug Python +# version. + +import pytest + +from PIL import Image + +from .helper import on_ci + + +@pytest.mark.parametrize( + "test_file", + [ + "Tests/images/crash_1.tif", + "Tests/images/crash_2.tif", + "Tests/images/crash-2020-10-test.tif", + "Tests/images/crash-0c7e0e8e11ce787078f00b5b0ca409a167f070e0.tif", + "Tests/images/crash-0e16d3bfb83be87356d026d66919deaefca44dac.tif", + "Tests/images/crash-1152ec2d1a1a71395b6f2ce6721c38924d025bf3.tif", + "Tests/images/crash-1185209cf7655b5aed8ae5e77784dfdd18ab59e9.tif", + "Tests/images/crash-338516dbd2f0e83caddb8ce256c22db3bd6dc40f.tif", + "Tests/images/crash-4f085cc12ece8cde18758d42608bed6a2a2cfb1c.tif", + "Tests/images/crash-86214e58da443d2b80820cff9677a38a33dcbbca.tif", + "Tests/images/crash-f46f5b2f43c370fe65706c11449f567ecc345e74.tif", + "Tests/images/crash-63b1dffefc8c075ddc606c0a2f5fdc15ece78863.tif", + "Tests/images/crash-74d2a78403a5a59db1fb0a2b8735ac068a75f6e3.tif", + "Tests/images/crash-81154a65438ba5aaeca73fd502fa4850fbde60f8.tif", + "Tests/images/crash-0da013a13571cc8eb457a39fee8db18f8a3c7127.tif", + ], +) +@pytest.mark.filterwarnings("ignore:Possibly corrupt EXIF data") +@pytest.mark.filterwarnings("ignore:Metadata warning") +@pytest.mark.filterwarnings("ignore:Truncated File Read") +def test_tiff_crashes(test_file): + try: + with Image.open(test_file) as im: + im.load() + except FileNotFoundError: + if not on_ci(): + pytest.skip("test image not found") + return + raise + except OSError: + pass diff --git a/Tests/test_tiff_ifdrational.py b/Tests/test_tiff_ifdrational.py index 0bf4503c44f..12f475df036 100644 --- a/Tests/test_tiff_ifdrational.py +++ b/Tests/test_tiff_ifdrational.py @@ -1,63 +1,68 @@ -from helper import unittest, PillowTestCase, hopper +from fractions import Fraction -from PIL import TiffImagePlugin, Image +from PIL import Image, TiffImagePlugin, features from PIL.TiffImagePlugin import IFDRational -from fractions import Fraction +from .helper import hopper + + +def _test_equal(num, denom, target): + + t = IFDRational(num, denom) + + assert target == t + assert t == target -class Test_IFDRational(PillowTestCase): +def test_sanity(): - def _test_equal(self, num, denom, target): + _test_equal(1, 1, 1) + _test_equal(1, 1, Fraction(1, 1)) - t = IFDRational(num, denom) + _test_equal(2, 2, 1) + _test_equal(1.0, 1, Fraction(1, 1)) - self.assertEqual(target, t) - self.assertEqual(t, target) + _test_equal(Fraction(1, 1), 1, Fraction(1, 1)) + _test_equal(IFDRational(1, 1), 1, 1) - def test_sanity(self): + _test_equal(1, 2, Fraction(1, 2)) + _test_equal(1, 2, IFDRational(1, 2)) - self._test_equal(1, 1, 1) - self._test_equal(1, 1, Fraction(1, 1)) + _test_equal(7, 5, 1.4) - self._test_equal(2, 2, 1) - self._test_equal(1.0, 1, Fraction(1, 1)) - self._test_equal(Fraction(1, 1), 1, Fraction(1, 1)) - self._test_equal(IFDRational(1, 1), 1, 1) +def test_ranges(): + for num in range(1, 10): + for denom in range(1, 10): + assert IFDRational(num, denom) == IFDRational(num, denom) - self._test_equal(1, 2, Fraction(1, 2)) - self._test_equal(1, 2, IFDRational(1, 2)) - def test_nonetype(self): - " Fails if the _delegate function doesn't return a valid function" +def test_nonetype(): + # Fails if the _delegate function doesn't return a valid function - xres = IFDRational(72) - yres = IFDRational(72) - self.assertIsNotNone(xres._val) - self.assertIsNotNone(xres.numerator) - self.assertIsNotNone(xres.denominator) - self.assertIsNotNone(yres._val) + xres = IFDRational(72) + yres = IFDRational(72) + assert xres._val is not None + assert xres.numerator is not None + assert xres.denominator is not None + assert yres._val is not None - self.assertTrue(xres and 1) - self.assertTrue(xres and yres) + assert xres and 1 + assert xres and yres - def test_ifd_rational_save(self): - methods = (True, False) - if 'libtiff_encoder' not in dir(Image.core): - methods = (False,) - for libtiff in methods: - TiffImagePlugin.WRITE_LIBTIFF = libtiff +def test_ifd_rational_save(tmp_path): + methods = (True, False) + if not features.check("libtiff"): + methods = (False,) - im = hopper() - out = self.tempfile('temp.tiff') - res = IFDRational(301, 1) - im.save(out, dpi=(res, res), compression='raw') + for libtiff in methods: + TiffImagePlugin.WRITE_LIBTIFF = libtiff - reloaded = Image.open(out) - self.assertEqual(float(IFDRational(301, 1)), - float(reloaded.tag_v2[282])) + im = hopper() + out = str(tmp_path / "temp.tiff") + res = IFDRational(301, 1) + im.save(out, dpi=(res, res), compression="raw") -if __name__ == '__main__': - unittest.main() + with Image.open(out) as reloaded: + assert float(IFDRational(301, 1)) == float(reloaded.tag_v2[282]) diff --git a/Tests/test_uploader.py b/Tests/test_uploader.py index b52ea10f6f3..720926e5377 100644 --- a/Tests/test_uploader.py +++ b/Tests/test_uploader.py @@ -1,18 +1,13 @@ -from helper import unittest, PillowTestCase, hopper +from .helper import assert_image_equal, assert_image_similar, hopper -from PIL import Image +def check_upload_equal(): + result = hopper("P").convert("RGB") + target = hopper("RGB") + assert_image_equal(result, target) -class TestUploader(PillowTestCase): - def check_upload_equal(self): - result = hopper('P').convert('RGB') - target = hopper('RGB') - self.assert_image_equal(result, target) - def check_upload_similar(self): - result = hopper('P').convert('RGB') - target = hopper('RGB') - self.assert_image_similar(result, target, 0) - -if __name__ == '__main__': - unittest.main() +def check_upload_similar(): + result = hopper("P").convert("RGB") + target = hopper("RGB") + assert_image_similar(result, target, 0) diff --git a/Tests/test_util.py b/Tests/test_util.py index 9901de3571d..b5bfca0126f 100644 --- a/Tests/test_util.py +++ b/Tests/test_util.py @@ -1,79 +1,72 @@ -from helper import unittest, PillowTestCase +import pytest from PIL import _util -class TestUtil(PillowTestCase): +def test_is_path(): + # Arrange + fp = "filename.ext" - def test_is_string_type(self): - # Arrange - color = "red" + # Act + it_is = _util.isPath(fp) - # Act - it_is = _util.isStringType(color) + # Assert + assert it_is - # Assert - self.assertTrue(it_is) - def test_is_not_string_type(self): - # Arrange - color = (255, 0, 0) +def test_path_obj_is_path(): + # Arrange + from pathlib import Path - # Act - it_is_not = _util.isStringType(color) + test_path = Path("filename.ext") - # Assert - self.assertFalse(it_is_not) + # Act + it_is = _util.isPath(test_path) - def test_is_path(self): - # Arrange - fp = "filename.ext" + # Assert + assert it_is - # Act - it_is = _util.isStringType(fp) - # Assert - self.assertTrue(it_is) +def test_is_not_path(tmp_path): + # Arrange + with (tmp_path / "temp.ext").open("w") as fp: + pass - def test_is_not_path(self): - # Arrange - filename = self.tempfile("temp.ext") - fp = open(filename, 'w').close() + # Act + it_is_not = _util.isPath(fp) - # Act - it_is_not = _util.isPath(fp) + # Assert + assert not it_is_not - # Assert - self.assertFalse(it_is_not) - def test_is_directory(self): - # Arrange - directory = "Tests" +def test_is_directory(): + # Arrange + directory = "Tests" - # Act - it_is = _util.isDirectory(directory) + # Act + it_is = _util.isDirectory(directory) - # Assert - self.assertTrue(it_is) + # Assert + assert it_is - def test_is_not_directory(self): - # Arrange - text = "abc" - # Act - it_is_not = _util.isDirectory(text) +def test_is_not_directory(): + # Arrange + text = "abc" - # Assert - self.assertFalse(it_is_not) + # Act + it_is_not = _util.isDirectory(text) - def test_deferred_error(self): - # Arrange + # Assert + assert not it_is_not - # Act - thing = _util.deferred_error(ValueError("Some error text")) - # Assert - self.assertRaises(ValueError, lambda: thing.some_attr) +def test_deferred_error(): + # Arrange -if __name__ == '__main__': - unittest.main() + # Act + thing = _util.deferred_error(ValueError("Some error text")) + + # Assert + with pytest.raises(ValueError): + thing.some_attr diff --git a/Tests/test_webp_leaks.py b/Tests/test_webp_leaks.py new file mode 100644 index 00000000000..34197c14f80 --- /dev/null +++ b/Tests/test_webp_leaks.py @@ -0,0 +1,24 @@ +from io import BytesIO + +from PIL import Image + +from .helper import PillowLeakTestCase, skip_unless_feature + +test_file = "Tests/images/hopper.webp" + + +@skip_unless_feature("webp") +class TestWebPLeaks(PillowLeakTestCase): + + mem_limit = 3 * 1024 # kb + iterations = 100 + + def test_leak_load(self): + with open(test_file, "rb") as f: + im_data = f.read() + + def core(): + with Image.open(BytesIO(im_data)) as im: + im.load() + + self._test_leak(core) diff --git a/Tests/threaded_save.py b/Tests/threaded_save.py deleted file mode 100644 index ba8b17dbc47..00000000000 --- a/Tests/threaded_save.py +++ /dev/null @@ -1,57 +0,0 @@ -from __future__ import print_function -from PIL import Image - -import io -import queue -import sys -import threading -import time - -test_format = sys.argv[1] if len(sys.argv) > 1 else "PNG" - -im = Image.open("Tests/images/hopper.ppm") -im.load() - -queue = queue.Queue() - -result = [] - - -class Worker(threading.Thread): - def run(self): - while True: - im = queue.get() - if im is None: - queue.task_done() - sys.stdout.write("x") - break - f = io.BytesIO() - im.save(f, test_format, optimize=1) - data = f.getvalue() - result.append(len(data)) - im = Image.open(io.BytesIO(data)) - im.load() - sys.stdout.write(".") - queue.task_done() - -t0 = time.time() - -threads = 20 -jobs = 100 - -for i in range(threads): - w = Worker() - w.start() - -for i in range(jobs): - queue.put(im) - -for i in range(threads): - queue.put(None) - -queue.join() - -print() -print(time.time() - t0) -print(len(result), sum(result)) -print(result) diff --git a/Tests/versions.py b/Tests/versions.py deleted file mode 100644 index 89be1d7c82a..00000000000 --- a/Tests/versions.py +++ /dev/null @@ -1,25 +0,0 @@ -from __future__ import print_function -from PIL import Image - - -def version(module, version): - v = getattr(module.core, version + "_version", None) - if v: - print(version, v) - -version(Image, "jpeglib") -version(Image, "zlib") - -try: - from PIL import ImageFont -except ImportError: - pass -else: - version(ImageFont, "freetype2") - -try: - from PIL import ImageCms -except ImportError: - pass -else: - version(ImageCms, "littlecms") diff --git a/appveyor.yml b/appveyor.yml deleted file mode 100644 index fe128f4a4d1..00000000000 --- a/appveyor.yml +++ /dev/null @@ -1,117 +0,0 @@ -version: '{build}' -clone_folder: c:\pillow -init: -- ECHO %PYTHON% -#- ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) -# Uncomment previous line to get RDP access during the build. - -environment: - X64_EXT: -x64 - EXECUTABLE: python.exe - PIP_DIR: Scripts - VENV: NO - TEST_OPTIONS: - DEPLOY: YES - matrix: - - PYTHON: C:/vp/pypy2 - EXECUTABLE: bin/pypy.exe - PIP_DIR: bin - VENV: YES - - PYTHON: C:/Python27-x64 - - PYTHON: C:/Python34 - - PYTHON: C:/Python27 - - PYTHON: C:/Python34-x64 - - PYTHON: C:/msys64/mingw32 - EXECUTABLE: bin/python3 - PIP_DIR: bin - TEST_OPTIONS: --processes=0 - DEPLOY: NO - - -install: -- curl -fsSL -o pillow-depends.zip https://github.com/python-pillow/pillow-depends/archive/master.zip -- 7z x pillow-depends.zip -oc:\ -- mv c:\pillow-depends-master c:\pillow-depends -- xcopy c:\pillow-depends\*.zip c:\pillow\winbuild\ -- xcopy c:\pillow-depends\*.tar.gz c:\pillow\winbuild\ -- xcopy /s c:\pillow-depends\test_images\* c:\pillow\tests\images -- cd c:\pillow\winbuild\ -- ps: | - if ($env:PYTHON -eq "c:/vp/pypy2") - { - c:\pillow\winbuild\appveyor_install_pypy.cmd - } -- ps: | - if ($env:PYTHON -eq "c:/msys64/mingw32") - { - c:\msys64\usr\bin\bash -l -c c:\\pillow\\winbuild\\appveyor_install_msys2_deps.sh - } - else - { - c:\python34\python.exe c:\pillow\winbuild\build_dep.py - c:\pillow\winbuild\build_deps.cmd - $host.SetShouldExit(0) - } - -build_script: -- ps: | - if ($env:PYTHON -eq "c:/msys64/mingw32") - { - c:\msys64\usr\bin\bash -l -c c:\\pillow\\winbuild\\appveyor_build_msys2.sh - Write-Host "through install" - $host.SetShouldExit(0) - } - else - { - & $env:PYTHON/$env:EXECUTABLE c:\pillow\winbuild\build.py - $host.SetShouldExit(0) - } -- cd c:\pillow -- '%PYTHON%\%EXECUTABLE% selftest.py --installed' - -test_script: -- cd c:\pillow -- '%PYTHON%\%PIP_DIR%\pip.exe install pytest pytest-cov' -- '%PYTHON%\%EXECUTABLE% -m pytest -vx --cov PIL --cov-report term --cov-report xml Tests' -#- '%PYTHON%\%EXECUTABLE% test-installed.py -v -s %TEST_OPTIONS%' TODO TEST_OPTIONS with pytest? - -after_test: -- pip install codecov -- codecov --file coverage.xml --name %PYTHON% - -matrix: - fast_finish: true - -artifacts: -- path: pillow\dist\*.egg - name: egg -- path: pillow\dist\*.wheel - name: wheel - -before_deploy: - - cd c:\pillow - - '%PYTHON%\%PIP_DIR%\pip.exe install wheel' - - cd c:\pillow\winbuild\ - - '%PYTHON%\%EXECUTABLE% c:\pillow\winbuild\build.py --wheel' - - cd c:\pillow - - ps: Get-ChildItem .\dist\*.* | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name } - -deploy: - provider: S3 - region: us-west-2 - access_key_id: AKIAIRAXC62ZNTVQJMOQ - secret_access_key: - secure: Hwb6klTqtBeMgxAjRoDltiiqpuH8xbwD4UooDzBSiCWXjuFj1lyl4kHgHwTCCGqi - bucket: pillow-nightly - folder: win/$(APPVEYOR_BUILD_NUMBER)/ - artifact: /.*egg|wheel/ - on: - branch: master - deploy: YES - - -# Uncomment the following lines to get RDP access after the build/test and block for -# up to the timeout limit (~1hr) -# -#on_finish: -#- ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1')) diff --git a/build_children.sh b/build_children.sh deleted file mode 100755 index c4ed4ebfa8e..00000000000 --- a/build_children.sh +++ /dev/null @@ -1,7 +0,0 @@ -#!/bin/bash - -# Get last child project build number from branch named "latest" -BUILD_NUM=$(curl -s 'https://api.travis-ci.org/repos/python-pillow/pillow-wheels/branches/latest' | grep -o '^{"branch":{"id":[0-9]*,' | grep -o '[0-9]' | tr -d '\n') - -# Restart last child project build -curl -X POST https://api.travis-ci.org/builds/$BUILD_NUM/restart --header "Authorization: token "$AUTH_TOKEN diff --git a/codecov.yml b/codecov.yml index db2472009c6..f3afccc1caf 100644 --- a/codecov.yml +++ b/codecov.yml @@ -1 +1,22 @@ -comment: off +# Documentation: https://docs.codecov.io/docs/codecov-yaml + +codecov: + # Avoid "Missing base report" due to committing CHANGES.rst with "[CI skip]" + # https://github.com/codecov/support/issues/363 + # https://docs.codecov.io/docs/comparing-commits + allow_coverage_offsets: true + +comment: false + +coverage: + status: + project: + default: + threshold: 0.01% + +# Matches 'omit:' in .coveragerc +ignore: + - "Tests/32bit_segfault_check.py" + - "Tests/bench_cffi_access.py" + - "Tests/check_*.py" + - "Tests/createfontdatachunk.py" diff --git a/conftest.py b/conftest.py new file mode 100644 index 00000000000..e123cca80fe --- /dev/null +++ b/conftest.py @@ -0,0 +1 @@ +pytest_plugins = ["Tests.helper"] diff --git a/depends/README.rst b/depends/README.rst index 779e956f496..b69c9dcbf8f 100644 --- a/depends/README.rst +++ b/depends/README.rst @@ -1,27 +1,9 @@ Depends ======= -``install_openjpeg.sh``, ``install_webp.sh`` and ``install_imagequant.sh`` can -be used to download, build & install non-packaged dependencies; useful for -testing with Travis CI. - -The other scripts can be used to install all of the dependencies for -the listed operating systems/distros. The ``ubuntu_14.04.sh`` and -``debian_8.2.sh`` scripts have been tested on bare AWS images and will -install all required dependencies for the system Python 2.7 and 3.4 -for all of the optional dependencies. Git may also be required prior -to running the script to actually download Pillow. - -e.g.:: - - $ sudo apt-get install git - $ git clone https://github.com/python-pillow/Pillow.git - $ cd Pillow/depends - $ ./debian_8.2.sh - $ cd .. - $ git checkout [branch or tag] - $ virtualenv -p /usr/bin/python2.7 ~/vpy27 - $ source ~/vpy27/bin/activate - $ make install - $ make test +``install_openjpeg.sh``, ``install_webp.sh``, ``install_imagequant.sh``, +``install_raqm.sh`` and ``install_raqm_cmake.sh`` can be used to download, +build & install non-packaged dependencies; useful for testing on CI. +``install_extra_test_images.sh`` can be used to install additional test images +that are used by CI. diff --git a/depends/alpine_Dockerfile b/depends/alpine_Dockerfile deleted file mode 100644 index 69bdf84f6cc..00000000000 --- a/depends/alpine_Dockerfile +++ /dev/null @@ -1,43 +0,0 @@ -# This is a sample Dockerfile to build Pillow on Alpine Linux -# with all/most of the dependencies working. -# -# Tcl/Tk isn't detecting -# Freetype has different metrics so tests are failing. -# sudo and bash are required for the webp build script. - -FROM alpine -USER root - -RUN apk --no-cache add python \ - build-base \ - python-dev \ - py-pip \ - # Pillow dependencies - jpeg-dev \ - zlib-dev \ - freetype-dev \ - lcms2-dev \ - openjpeg-dev \ - tiff-dev \ - tk-dev \ - tcl-dev - -# install from pip, without webp -#RUN LIBRARY_PATH=/lib:/usr/lib /bin/sh -c "pip install Pillow" - -# install from git, run tests, including webp -RUN apk --no-cache add git \ - bash \ - sudo - -RUN git clone https://github.com/python-pillow/Pillow.git /Pillow -RUN pip install virtualenv && virtualenv /vpy && source /vpy/bin/activate && pip install nose - -RUN echo "#!/bin/bash" >> /test && \ - echo "source /vpy/bin/activate && cd /Pillow " >> test && \ - echo "pushd depends && ./install_webp.sh && ./install_imagequant.sh && popd" >> test && \ - echo "LIBRARY_PATH=/lib:/usr/lib make install && make test" >> test - -RUN chmod +x /test - -CMD ["/test"] diff --git a/depends/debian_8.2.sh b/depends/debian_8.2.sh deleted file mode 100755 index c4f72bf8ee5..00000000000 --- a/depends/debian_8.2.sh +++ /dev/null @@ -1,18 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Debian 8.2 -# for both system Pythons 2.7 and 3.4 -# -# Also works for Raspbian Jessie -# - -sudo apt-get -y install python-dev python-setuptools \ - python3-dev python-virtualenv cmake -sudo apt-get -y install libtiff5-dev libjpeg62-turbo-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev \ - python-tk python3-tk libharfbuzz-dev libfribidi-dev - -./install_openjpeg.sh -./install_imagequant.sh -./install_raqm.sh diff --git a/depends/diffcover-install.sh b/depends/diffcover-install.sh deleted file mode 100755 index 850d368f8f6..00000000000 --- a/depends/diffcover-install.sh +++ /dev/null @@ -1,7 +0,0 @@ -# Fetch the remote master branch before running diff-cover on Travis CI. -# https://github.com/Bachmann1234/diff-cover#troubleshooting -git fetch origin master:refs/remotes/origin/master - -# CFLAGS=-O0 means build with no optimisation. -# Makes build much quicker for lxml and other dependencies. -time CFLAGS=-O0 pip install --use-wheel diff_cover diff --git a/depends/diffcover-run.sh b/depends/diffcover-run.sh deleted file mode 100755 index 02efab6aea5..00000000000 --- a/depends/diffcover-run.sh +++ /dev/null @@ -1,4 +0,0 @@ -coverage xml -diff-cover coverage.xml -diff-quality --violation=pyflakes -diff-quality --violation=pep8 diff --git a/depends/download-and-extract.sh b/depends/download-and-extract.sh index 7cc905e8543..d9608e7827a 100755 --- a/depends/download-and-extract.sh +++ b/depends/download-and-extract.sh @@ -1,5 +1,5 @@ #!/bin/sh -# Usage: ./download-and-extract.sh something.tar.gz https://example.com/something.tar.gz +# Usage: ./download-and-extract.sh something https://example.com/something.tar.gz archive=$1 url=$2 diff --git a/depends/fedora_23.sh b/depends/fedora_23.sh deleted file mode 100755 index 5bdcf7f174a..00000000000 --- a/depends/fedora_23.sh +++ /dev/null @@ -1,18 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Fedora 23 -# for both system Pythons 2.7 and 3.4 -# -# note that Fedora does ship packages for Pillow as python-pillow - -# this is a workaround for -# "gcc: error: /usr/lib/rpm/redhat/redhat-hardened-cc1: No such file or directory" -# errors when compiling. -sudo dnf install redhat-rpm-config - -sudo dnf install python-devel python3-devel python-virtualenv make gcc - -sudo dnf install libtiff-devel libjpeg-devel zlib-devel freetype-devel \ - lcms2-devel libwebp-devel openjpeg2-devel tkinter python3-tkinter \ - tcl-devel tk-devel harfbuzz-devel fribidi-devel libraqm-devel \ No newline at end of file diff --git a/depends/freebsd_10.sh b/depends/freebsd_10.sh deleted file mode 100755 index 36d9c106913..00000000000 --- a/depends/freebsd_10.sh +++ /dev/null @@ -1,13 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Freebsd 10.x -# for both system Pythons 2.7 and 3.4 -# -sudo pkg install python2 python3 py27-pip py27-virtualenv wget cmake - -# Openjpeg fails badly using the openjpeg package. -# I can't find a python3.4 version of tkinter -sudo pkg install jpeg-turbo tiff webp lcms2 freetype2 harfbuzz fribidi py27-tkinter - -./install_raqm_cmake.sh diff --git a/depends/install_extra_test_images.sh b/depends/install_extra_test_images.sh index 667c74e6d72..02da12d61a4 100755 --- a/depends/install_extra_test_images.sh +++ b/depends/install_extra_test_images.sh @@ -1,9 +1,15 @@ #!/bin/bash # install extra test images -rm -r test_images +# Use SVN to just fetch a single Git subdirectory +svn_export() +{ + if [ ! -z $1 ]; then + echo "" + echo "Retrying svn export..." + echo "" + fi -# Use SVN to just fetch a single git subdirectory -svn checkout https://github.com/python-pillow/pillow-depends/trunk/test_images - -cp -r test_images/* ../Tests/images + svn export --force https://github.com/python-pillow/pillow-depends/trunk/test_images ../Tests/images +} +svn_export || svn_export retry || svn_export retry || svn_export retry diff --git a/depends/install_imagequant.sh b/depends/install_imagequant.sh index 1ab3a6981e5..774f2676750 100755 --- a/depends/install_imagequant.sh +++ b/depends/install_imagequant.sh @@ -1,9 +1,9 @@ #!/bin/bash # install libimagequant -archive=libimagequant-2.11.4 +archive=libimagequant-2.17.0 -./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/master/$archive.tar.gz +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz pushd $archive diff --git a/depends/install_openjpeg.sh b/depends/install_openjpeg.sh index ed7f0d6b521..914e71e5396 100755 --- a/depends/install_openjpeg.sh +++ b/depends/install_openjpeg.sh @@ -1,9 +1,9 @@ #!/bin/bash # install openjpeg -archive=openjpeg-2.3.0 +archive=openjpeg-2.4.0 -./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/master/$archive.tar.gz +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz pushd $archive diff --git a/depends/install_raqm.sh b/depends/install_raqm.sh index 7b10df7d434..3105465ec40 100755 --- a/depends/install_raqm.sh +++ b/depends/install_raqm.sh @@ -2,9 +2,9 @@ # install raqm -archive=raqm-0.3.0 +archive=raqm-0.7.1 -./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/master/$archive.tar.gz +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz pushd $archive diff --git a/depends/install_raqm_cmake.sh b/depends/install_raqm_cmake.sh index 0c5ed8b697f..7d2c399df5d 100755 --- a/depends/install_raqm_cmake.sh +++ b/depends/install_raqm_cmake.sh @@ -2,9 +2,9 @@ # install raqm -archive=raqm-cmake-b517ba80 +archive=raqm-cmake-99300ff3 -./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/master/$archive.tar.gz +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz pushd $archive diff --git a/depends/install_webp.sh b/depends/install_webp.sh index 37a77243603..8a9c968045c 100755 --- a/depends/install_webp.sh +++ b/depends/install_webp.sh @@ -1,9 +1,9 @@ #!/bin/bash # install webp -archive=libwebp-0.6.1 +archive=libwebp-1.2.1 -./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/master/$archive.tar.gz +./download-and-extract.sh $archive https://raw.githubusercontent.com/python-pillow/pillow-depends/main/$archive.tar.gz pushd $archive diff --git a/depends/termux.sh b/depends/termux.sh index f117790c5a0..1acc09c4463 100755 --- a/depends/termux.sh +++ b/depends/termux.sh @@ -1,5 +1,5 @@ #!/bin/sh -pkg -y install python python-dev ndk-sysroot clang make \ - libjpeg-turbo-dev +pkg install -y python ndk-sysroot clang make \ + libjpeg-turbo diff --git a/depends/ubuntu_12.04.sh b/depends/ubuntu_12.04.sh deleted file mode 100755 index 9bfae43b0bc..00000000000 --- a/depends/ubuntu_12.04.sh +++ /dev/null @@ -1,17 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Ubuntu 12.04 -# for both system Pythons 2.7 and 3.2 -# - -sudo apt-get -y install python-dev python-setuptools \ - python3-dev python-virtualenv cmake -sudo apt-get install libtiff4-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev tcl8.5-dev \ - tk8.5-dev python-tk python3-tk - - -./install_openjpeg.sh -./install_webp.sh -./install_imagequant.sh diff --git a/depends/ubuntu_14.04.sh b/depends/ubuntu_14.04.sh deleted file mode 100755 index f7d28fba71b..00000000000 --- a/depends/ubuntu_14.04.sh +++ /dev/null @@ -1,16 +0,0 @@ -#!/bin/sh - -# -# Installs all of the dependencies for Pillow for Ubuntu 14.04 -# for both system Pythons 2.7 and 3.4 -# -sudo apt-get update -sudo apt-get -y install python-dev python-setuptools \ - python3-dev python-virtualenv cmake -sudo apt-get -y install libtiff5-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev \ - python-tk python3-tk libharfbuzz-dev libfribidi-dev - -./install_openjpeg.sh -./install_imagequant.sh -./install_raqm.sh diff --git a/docs/COPYING b/docs/COPYING index 75452788585..25f03b34312 100644 --- a/docs/COPYING +++ b/docs/COPYING @@ -5,7 +5,7 @@ The Python Imaging Library (PIL) is Pillow is the friendly PIL fork. It is - Copyright © 2010-2018 by Alex Clark and contributors + Copyright © 2010-2022 by Alex Clark and contributors Like PIL, Pillow is licensed under the open source PIL Software License: diff --git a/docs/Guardfile b/docs/Guardfile index f8f3051ed9e..b689b079aea 100755 --- a/docs/Guardfile +++ b/docs/Guardfile @@ -1,10 +1,8 @@ -#!/usr/bin/env python -from livereload.task import Task +#!/usr/bin/env python3 from livereload.compiler import shell +from livereload.task import Task Task.add('*.rst', shell('make html')) Task.add('*/*.rst', shell('make html')) -Task.add('_static/*.css', shell('make clean html')) -Task.add('_templates/*', shell('make clean html')) Task.add('Makefile', shell('make html')) Task.add('conf.py', shell('make html')) diff --git a/docs/Makefile b/docs/Makefile index 1a912039ec9..686f0119e37 100644 --- a/docs/Makefile +++ b/docs/Makefile @@ -42,7 +42,7 @@ clean: -rm -rf $(BUILDDIR)/* html: - $(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html + $(SPHINXBUILD) -b html -W --keep-going $(ALLSPHINXOPTS) $(BUILDDIR)/html @echo @echo "Build finished. The HTML pages are in $(BUILDDIR)/html." @@ -142,7 +142,7 @@ changes: @echo "The overview file is in $(BUILDDIR)/changes." linkcheck: - $(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck + $(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck -j auto @echo @echo "Link check complete; look for any errors in the above output " \ "or in $(BUILDDIR)/linkcheck/output.txt." @@ -156,4 +156,4 @@ livehtml: html livereload $(BUILDDIR)/html -p 33233 serve: - cd $(BUILDDIR)/html; python -m SimpleHTTPServer + cd $(BUILDDIR)/html; python3 -m http.server diff --git a/docs/PIL.rst b/docs/PIL.rst index 67edb990192..fa036b9ccfe 100644 --- a/docs/PIL.rst +++ b/docs/PIL.rst @@ -4,108 +4,97 @@ PIL Package (autodoc of remaining modules) Reference for modules whose documentation has not yet been ported or written can be found here. -:mod:`BdfFontFile` Module -------------------------- +:mod:`PIL` Module +----------------- + +.. py:module:: PIL + +.. autoexception:: UnidentifiedImageError + :show-inheritance: + +:mod:`~PIL.BdfFontFile` Module +------------------------------ .. automodule:: PIL.BdfFontFile :members: :undoc-members: :show-inheritance: -:mod:`ContainerIO` Module -------------------------- +:mod:`~PIL.ContainerIO` Module +------------------------------ .. automodule:: PIL.ContainerIO :members: :undoc-members: :show-inheritance: -:mod:`FontFile` Module ----------------------- +:mod:`~PIL.FontFile` Module +--------------------------- .. automodule:: PIL.FontFile :members: :undoc-members: :show-inheritance: -:mod:`GdImageFile` Module -------------------------- +:mod:`~PIL.GdImageFile` Module +------------------------------ .. automodule:: PIL.GdImageFile :members: :undoc-members: :show-inheritance: -:mod:`GimpGradientFile` Module ------------------------------- +:mod:`~PIL.GimpGradientFile` Module +----------------------------------- .. automodule:: PIL.GimpGradientFile :members: :undoc-members: :show-inheritance: -:mod:`GimpPaletteFile` Module ------------------------------ +:mod:`~PIL.GimpPaletteFile` Module +---------------------------------- .. automodule:: PIL.GimpPaletteFile :members: :undoc-members: :show-inheritance: -.. intentionally skipped documenting this because it's not documented anywhere - -:mod:`ImageDraw2` Module ------------------------- +:mod:`~PIL.ImageDraw2` Module +----------------------------- .. automodule:: PIL.ImageDraw2 :members: + :member-order: bysource :undoc-members: :show-inheritance: -.. intentionally skipped documenting this because it's deprecated - -:mod:`ImageShow` Module ------------------------ - -.. automodule:: PIL.ImageShow - :members: - :undoc-members: - :show-inheritance: - -:mod:`ImageTransform` Module ----------------------------- +:mod:`~PIL.ImageTransform` Module +--------------------------------- .. automodule:: PIL.ImageTransform :members: :undoc-members: :show-inheritance: -:mod:`JpegPresets` Module -------------------------- - -.. automodule:: PIL.JpegPresets - :members: - :undoc-members: - :show-inheritance: - -:mod:`PaletteFile` Module -------------------------- +:mod:`~PIL.PaletteFile` Module +------------------------------ .. automodule:: PIL.PaletteFile :members: :undoc-members: :show-inheritance: -:mod:`PcfFontFile` Module -------------------------- +:mod:`~PIL.PcfFontFile` Module +------------------------------ .. automodule:: PIL.PcfFontFile :members: :undoc-members: :show-inheritance: -:class:`PngImagePlugin.iTXt` Class ----------------------------------- +:class:`.PngImagePlugin.iTXt` Class +----------------------------------- .. autoclass:: PIL.PngImagePlugin.iTXt :members: @@ -118,8 +107,8 @@ can be found here. :param lang: language code :param tkey: UTF-8 version of the key name -:class:`PngImagePlugin.PngInfo` Class -------------------------------------- +:class:`.PngImagePlugin.PngInfo` Class +-------------------------------------- .. autoclass:: PIL.PngImagePlugin.PngInfo :members: @@ -127,27 +116,18 @@ can be found here. :show-inheritance: -:mod:`TarIO` Module -------------------- +:mod:`~PIL.TarIO` Module +------------------------ .. automodule:: PIL.TarIO :members: :undoc-members: :show-inheritance: -:mod:`WalImageFile` Module --------------------------- +:mod:`~PIL.WalImageFile` Module +------------------------------- .. automodule:: PIL.WalImageFile :members: :undoc-members: :show-inheritance: - -:mod:`_binary` Module ---------------------- - -.. automodule:: PIL._binary - :members: - :undoc-members: - :show-inheritance: - diff --git a/docs/_static/.gitignore b/docs/_static/.gitignore deleted file mode 100644 index b1f9a2ade2a..00000000000 --- a/docs/_static/.gitignore +++ /dev/null @@ -1 +0,0 @@ -# Empty file, to make the directory available in the repository diff --git a/docs/_templates/.gitignore b/docs/_templates/.gitignore deleted file mode 100644 index b1f9a2ade2a..00000000000 --- a/docs/_templates/.gitignore +++ /dev/null @@ -1 +0,0 @@ -# Empty file, to make the directory available in the repository diff --git a/docs/_templates/sidebarhelp.html b/docs/_templates/sidebarhelp.html deleted file mode 100644 index da3882e8d09..00000000000 --- a/docs/_templates/sidebarhelp.html +++ /dev/null @@ -1,4 +0,0 @@ -

Need help?

-

- You can get help via IRC at irc://irc.freenode.net#pil or Stack Overflow here and here. Please report issues on GitHub. -

diff --git a/docs/about.rst b/docs/about.rst index dd6ca9a9882..96885d08db0 100644 --- a/docs/about.rst +++ b/docs/about.rst @@ -6,19 +6,20 @@ Goals The fork author's goal is to foster and support active development of PIL through: -- Continuous integration testing via `Travis CI`_ and `AppVeyor`_ +- Continuous integration testing via `GitHub Actions`_, `AppVeyor`_ and `Travis CI`_ - Publicized development activity on `GitHub`_ - Regular releases to the `Python Package Index`_ -.. _Travis CI: https://travis-ci.org/python-pillow/Pillow +.. _GitHub Actions: https://github.com/python-pillow/Pillow/actions .. _AppVeyor: https://ci.appveyor.com/project/Python-pillow/pillow +.. _Travis CI: https://travis-ci.com/github/python-pillow/pillow-wheels .. _GitHub: https://github.com/python-pillow/Pillow -.. _Python Package Index: https://pypi.python.org/pypi/Pillow +.. _Python Package Index: https://pypi.org/project/Pillow/ License ------- -Like PIL, Pillow is `licensed under the open source PIL Software License `_ +Like PIL, Pillow is `licensed under the open source HPND License `_ Why a fork? ----------- @@ -35,10 +36,4 @@ What about PIL? Prior to Pillow 2.0.0, very few image code changes were made. Pillow 2.0.0 added Python 3 support and includes many bug fixes from many contributors. -As more time passes since the last PIL release, the likelihood of a new PIL release decreases. However, we've yet to hear an official "PIL is dead" announcement. So if you still want to support PIL, please `report issues here first`_, then `open corresponding Pillow tickets here`_. - -.. _report issues here first: https://bitbucket.org/effbot/pil-2009-raclette/issues - -.. _open corresponding Pillow tickets here: https://github.com/python-pillow/Pillow/issues - -Please provide a link to the first ticket so we can track the issue(s) upstream. +As more time passes since the last PIL release (1.1.7 in 2009), the likelihood of a new PIL release decreases. However, we've yet to hear an official "PIL is dead" announcement. diff --git a/docs/conf.py b/docs/conf.py index 4053e24e6ef..7bbe8c4c96f 100644 --- a/docs/conf.py +++ b/docs/conf.py @@ -1,4 +1,3 @@ -# -*- coding: utf-8 -*- # # Pillow (PIL Fork) documentation build configuration file, created by # sphinx-quickstart on Sat Apr 4 07:54:11 2015. @@ -15,47 +14,56 @@ # If extensions (or modules to document with autodoc) are in another directory, # add these directories to sys.path here. If the directory is relative to the # documentation root, use os.path.abspath to make it absolute, like shown here. -#sys.path.insert(0, os.path.abspath('.')) +# sys.path.insert(0, os.path.abspath('.')) + +import sphinx_rtd_theme + +import PIL # -- General configuration ------------------------------------------------ # If your documentation needs a minimal Sphinx version, state it here. -#needs_sphinx = '1.0' +needs_sphinx = "2.4" # Add any Sphinx extension module names here, as strings. They can be # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom # ones. -extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode', - 'sphinx.ext.intersphinx'] +extensions = [ + "sphinx_copybutton", + "sphinx_issues", + "sphinx_removed_in", + "sphinx.ext.autodoc", + "sphinx.ext.intersphinx", + "sphinx.ext.viewcode", + "sphinxext.opengraph", +] -# Add any paths that contain templates here, relative to this directory. -templates_path = ['_templates'] +intersphinx_mapping = {"python": ("https://docs.python.org/3", None)} # The suffix(es) of source filenames. # You can specify multiple suffix as a list of string: # source_suffix = ['.rst', '.md'] -source_suffix = '.rst' +source_suffix = ".rst" # The encoding of source files. -#source_encoding = 'utf-8-sig' +# source_encoding = 'utf-8-sig' # The master toctree document. -master_doc = 'index' +master_doc = "index" # General information about the project. -project = u'Pillow (PIL Fork)' -copyright = u'1995-2011 Fredrik Lundh, 2010-2018 Alex Clark and Contributors' -author = u'Fredrik Lundh, Alex Clark and Contributors' +project = "Pillow (PIL Fork)" +copyright = "1995-2011 Fredrik Lundh, 2010-2022 Alex Clark and Contributors" +author = "Fredrik Lundh, Alex Clark and Contributors" # The version info for the project you're documenting, acts as replacement for # |version| and |release|, also used in various other places throughout the # built documents. # # The short X.Y version. -import PIL -version = PIL.PILLOW_VERSION +version = PIL.__version__ # The full version, including alpha/beta/rc tags. -release = PIL.PILLOW_VERSION +release = PIL.__version__ # The language for content autogenerated by Sphinx. Refer to documentation # for a list of supported languages. @@ -66,186 +74,198 @@ # There are two options for replacing |today|: either, you set today to some # non-false value, then it is used: -#today = '' +# today = '' # Else, today_fmt is used as the format for a strftime call. -#today_fmt = '%B %d, %Y' +# today_fmt = '%B %d, %Y' # List of patterns, relative to source directory, that match files and # directories to ignore when looking for source files. -exclude_patterns = ['_build'] +exclude_patterns = ["_build", "releasenotes/template.rst"] # The reST default role (used for this markup: `text`) to use for all # documents. -#default_role = None +# default_role = None # If true, '()' will be appended to :func: etc. cross-reference text. -#add_function_parentheses = True +# add_function_parentheses = True # If true, the current module name will be prepended to all description # unit titles (such as .. function::). -#add_module_names = True +# add_module_names = True # If true, sectionauthor and moduleauthor directives will be shown in the # output. They are ignored by default. -#show_authors = False +# show_authors = False # The name of the Pygments (syntax highlighting) style to use. -pygments_style = 'sphinx' +pygments_style = "sphinx" # A list of ignored prefixes for module index sorting. -#modindex_common_prefix = [] +# modindex_common_prefix = [] # If true, keep warnings as "system message" paragraphs in the built documents. -#keep_warnings = False +# keep_warnings = False # If true, `todo` and `todoList` produce output, else they produce nothing. todo_include_todos = False +# If true, Sphinx will warn about all references where the target cannot be found. +# Default is False. You can activate this mode temporarily using the -n command-line +# switch. +nitpicky = True + +# A list of (type, target) tuples (by default empty) that should be ignored when +# generating warnings in “nitpicky mode”. Note that type should include the domain name +# if present. Example entries would be ('py:func', 'int') or +# ('envvar', 'LD_LIBRARY_PATH'). +# nitpick_ignore = [] + # -- Options for HTML output ---------------------------------------------- # The theme to use for HTML and HTML Help pages. See the documentation for # a list of builtin themes. -import sphinx_rtd_theme html_theme = "sphinx_rtd_theme" html_theme_path = [sphinx_rtd_theme.get_html_theme_path()] # Theme options are theme-specific and customize the look and feel of a theme # further. For a list of options available for each theme, see the # documentation. -#html_theme_options = {} +# html_theme_options = {} # Add any paths that contain custom themes here, relative to this directory. -#html_theme_path = [] +# html_theme_path = [] # The name for this set of Sphinx documents. If None, it defaults to # " v documentation". -#html_title = None +# html_title = None # A shorter title for the navigation bar. Default is the same as html_title. -#html_short_title = None +# html_short_title = None # The name of an image file (relative to this directory) to place at the top # of the sidebar. -#html_logo = None +html_logo = "resources/pillow-logo.png" # The name of an image file (within the static path) to use as favicon of the # docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32 # pixels large. -#html_favicon = None +html_favicon = "resources/favicon.ico" # Add any paths that contain custom static files (such as style sheets) here, # relative to this directory. They are copied after the builtin static files, # so a file named "default.css" will overwrite the builtin "default.css". -html_static_path = ['_static'] +html_static_path = ["resources"] # Add any extra paths that contain custom files (such as robots.txt or # .htaccess) here, relative to this directory. These files are copied # directly to the root of the documentation. -#html_extra_path = [] +# html_extra_path = [] # If not '', a 'Last updated on:' timestamp is inserted at every page bottom, # using the given strftime format. -#html_last_updated_fmt = '%b %d, %Y' +# html_last_updated_fmt = '%b %d, %Y' # If true, SmartyPants will be used to convert quotes and dashes to # typographically correct entities. -#html_use_smartypants = True +# html_use_smartypants = True # Custom sidebar templates, maps document names to template names. -#html_sidebars = {} +# html_sidebars = {} # Additional templates that should be rendered to pages, maps page names to # template names. -#html_additional_pages = {} +# html_additional_pages = {} # If false, no module index is generated. -#html_domain_indices = True +# html_domain_indices = True # If false, no index is generated. -#html_use_index = True +# html_use_index = True # If true, the index is split into individual pages for each letter. -#html_split_index = False +# html_split_index = False # If true, links to the reST sources are added to the pages. -#html_show_sourcelink = True +# html_show_sourcelink = True # If true, "Created using Sphinx" is shown in the HTML footer. Default is True. -#html_show_sphinx = True +# html_show_sphinx = True # If true, "(C) Copyright ..." is shown in the HTML footer. Default is True. -#html_show_copyright = True +# html_show_copyright = True # If true, an OpenSearch description file will be output, and all pages will # contain a tag referring to it. The value of this option must be the # base URL from which the finished HTML is served. -#html_use_opensearch = '' +# html_use_opensearch = '' # This is the file name suffix for HTML files (e.g. ".xhtml"). -#html_file_suffix = None +# html_file_suffix = None # Language to be used for generating the HTML full-text search index. # Sphinx supports the following languages: # 'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja' # 'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr' -#html_search_language = 'en' +# html_search_language = 'en' # A dictionary with options for the search language support, empty by default. # Now only 'ja' uses this config value -#html_search_options = {'type': 'default'} +# html_search_options = {'type': 'default'} # The name of a javascript file (relative to the configuration directory) that # implements a search results scorer. If empty, the default will be used. -#html_search_scorer = 'scorer.js' +# html_search_scorer = 'scorer.js' # Output file base name for HTML help builder. -htmlhelp_basename = 'PillowPILForkdoc' +htmlhelp_basename = "PillowPILForkdoc" # -- Options for LaTeX output --------------------------------------------- latex_elements = { -# The paper size ('letterpaper' or 'a4paper'). -#'papersize': 'letterpaper', - -# The font size ('10pt', '11pt' or '12pt'). -#'pointsize': '10pt', - -# Additional stuff for the LaTeX preamble. -#'preamble': '', - -# Latex figure (float) alignment -#'figure_align': 'htbp', + # The paper size ('letterpaper' or 'a4paper'). + # 'papersize': 'letterpaper', + # The font size ('10pt', '11pt' or '12pt'). + # 'pointsize': '10pt', + # Additional stuff for the LaTeX preamble. + # 'preamble': '', + # Latex figure (float) alignment + # 'figure_align': 'htbp', } # Grouping the document tree into LaTeX files. List of tuples # (source start file, target name, title, # author, documentclass [howto, manual, or own class]). latex_documents = [ - (master_doc, 'PillowPILFork.tex', u'Pillow (PIL Fork) Documentation', - u'Alex Clark', 'manual'), + ( + master_doc, + "PillowPILFork.tex", + "Pillow (PIL Fork) Documentation", + "Alex Clark", + "manual", + ) ] # The name of an image file (relative to this directory) to place at the top of # the title page. -#latex_logo = None +# latex_logo = None # For "manual" documents, if this is true, then toplevel headings are parts, # not chapters. -#latex_use_parts = False +# latex_use_parts = False # If true, show page references after internal links. -#latex_show_pagerefs = False +# latex_show_pagerefs = False # If true, show URL addresses after external links. -#latex_show_urls = False +# latex_show_urls = False # Documents to append as an appendix to all manuals. -#latex_appendices = [] +# latex_appendices = [] # If false, no module index is generated. -#latex_domain_indices = True +# latex_domain_indices = True # -- Options for manual page output --------------------------------------- @@ -253,12 +273,11 @@ # One entry per manual page. List of tuples # (source start file, name, description, authors, manual section). man_pages = [ - (master_doc, 'pillowpilfork', u'Pillow (PIL Fork) Documentation', - [author], 1) + (master_doc, "pillowpilfork", "Pillow (PIL Fork) Documentation", [author], 1) ] # If true, show URL addresses after external links. -#man_show_urls = False +# man_show_urls = False # -- Options for Texinfo output ------------------------------------------- @@ -267,19 +286,43 @@ # (source start file, target name, title, author, # dir menu entry, description, category) texinfo_documents = [ - (master_doc, 'PillowPILFork', u'Pillow (PIL Fork) Documentation', - author, 'PillowPILFork', 'Pillow is the friendly PIL fork by Alex Clark and Contributors.', - 'Miscellaneous'), + ( + master_doc, + "PillowPILFork", + "Pillow (PIL Fork) Documentation", + author, + "PillowPILFork", + "Pillow is the friendly PIL fork by Alex Clark and Contributors.", + "Miscellaneous", + ) ] # Documents to append as an appendix to all manuals. -#texinfo_appendices = [] +# texinfo_appendices = [] # If false, no module index is generated. -#texinfo_domain_indices = True +# texinfo_domain_indices = True # How to display URL addresses: 'footnote', 'no', or 'inline'. -#texinfo_show_urls = 'footnote' +# texinfo_show_urls = 'footnote' # If true, do not generate a @detailmenu in the "Top" node's menu. -#texinfo_no_detailmenu = False +# texinfo_no_detailmenu = False + + +def setup(app): + app.add_js_file("js/script.js") + app.add_css_file("css/styles.css") + app.add_css_file("css/dark.css") + app.add_css_file("css/light.css") + + +# GitHub repo for sphinx-issues +issues_github_path = "python-pillow/Pillow" + +# sphinxext.opengraph +ogp_image = ( + "https://raw.githubusercontent.com/python-pillow/pillow-logo/main/" + "pillow-logo-dark-text-1280x640.png" +) +ogp_image_alt = "Pillow" diff --git a/docs/deprecations.rst b/docs/deprecations.rst new file mode 100644 index 00000000000..ce30fdf3b92 --- /dev/null +++ b/docs/deprecations.rst @@ -0,0 +1,279 @@ +.. _deprecations: + +Deprecations and removals +========================= + +This page lists Pillow features that are deprecated, or have been removed in +past major releases, and gives the alternatives to use instead. + +Deprecated features +------------------- + +Below are features which are considered deprecated. Where appropriate, +a ``DeprecationWarning`` is issued. + +Tk/Tcl 8.4 +~~~~~~~~~~ + +.. deprecated:: 8.2.0 + +Support for Tk/Tcl 8.4 is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +when Tk/Tcl 8.5 will be the minimum supported. + +Categories +~~~~~~~~~~ + +.. deprecated:: 8.2.0 + +``im.category`` is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +along with the related ``Image.NORMAL``, ``Image.SEQUENCE`` and +``Image.CONTAINER`` attributes. + +To determine if an image has multiple frames or not, +``getattr(im, "is_animated", False)`` can be used instead. + +JpegImagePlugin.convert_dict_qtables +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 8.3.0 + +JPEG ``quantization`` is now automatically converted, but still returned as a +dictionary. The :py:attr:`~PIL.JpegImagePlugin.convert_dict_qtables` method no longer +performs any operations on the data given to it, has been deprecated and will be +removed in Pillow 10.0.0 (2023-07-01). + +ImagePalette size parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 8.4.0 + +The ``size`` parameter will be removed in Pillow 10.0.0 (2023-07-01). + +Before Pillow 8.3.0, ``ImagePalette`` required palette data of particular lengths by +default, and the size parameter could be used to override that. Pillow 8.3.0 removed +the default required length, also removing the need for the size parameter. + +Removed features +---------------- + +Deprecated features are only removed in major releases after an appropriate +period of deprecation has passed. + +PILLOW_VERSION constant +~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 5.2.0 +.. versionremoved:: 9.0.0 + +Use ``__version__`` instead. + +It was initially removed in Pillow 7.0.0, but temporarily brought back in 7.1.0 +to give projects more time to upgrade. + +Image.show command parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 7.2.0 +.. versionremoved:: 9.0.0 + +The ``command`` parameter has been removed. Use a subclass of +:py:class:`.ImageShow.Viewer` instead. + +Image._showxv +~~~~~~~~~~~~~ + +.. deprecated:: 7.2.0 +.. versionremoved:: 9.0.0 + +Use :py:meth:`.Image.Image.show` instead. If custom behaviour is required, use +:py:func:`.ImageShow.register` to add a custom :py:class:`.ImageShow.Viewer` class. + +ImageFile.raise_ioerror +~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 7.2.0 +.. versionremoved:: 9.0.0 + +``IOError`` was merged into ``OSError`` in Python 3.3. +So, ``ImageFile.raise_ioerror`` has been removed. +Use ``ImageFile.raise_oserror`` instead. + +FreeType 2.7 +~~~~~~~~~~~~ + +.. deprecated:: 8.1.0 +.. versionremoved:: 9.0.0 + +Support for FreeType 2.7 has been removed. + +We recommend upgrading to at least `FreeType`_ 2.10.4, which fixed a severe +vulnerability introduced in FreeType 2.6 (:cve:`CVE-2020-15999`). + +.. _FreeType: https://www.freetype.org + +im.offset +~~~~~~~~~ + +.. deprecated:: 1.1.2 +.. versionremoved:: 8.0.0 + +``im.offset()`` has been removed, call :py:func:`.ImageChops.offset()` instead. + +It was documented as deprecated in PIL 1.1.2, +raised a ``DeprecationWarning`` since 1.1.5, +an ``Exception`` since Pillow 3.0.0 +and ``NotImplementedError`` since 3.3.0. + +Image.fromstring, im.fromstring and im.tostring +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 2.0.0 +.. versionremoved:: 8.0.0 + +* ``Image.fromstring()`` has been removed, call :py:func:`.Image.frombytes()` instead. +* ``im.fromstring()`` has been removed, call :py:meth:`~PIL.Image.Image.frombytes()` instead. +* ``im.tostring()`` has been removed, call :py:meth:`~PIL.Image.Image.tobytes()` instead. + +They issued a ``DeprecationWarning`` since 2.0.0, +an ``Exception`` since 3.0.0 +and ``NotImplementedError`` since 3.3.0. + +ImageCms.CmsProfile attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 3.2.0 +.. versionremoved:: 8.0.0 + +Some attributes in :py:class:`PIL.ImageCms.CmsProfile` have been removed. From 6.0.0, +they issued a ``DeprecationWarning``: + +======================== =================================================== +Removed Use instead +======================== =================================================== +``color_space`` Padded :py:attr:`~.CmsProfile.xcolor_space` +``pcs`` Padded :py:attr:`~.CmsProfile.connection_space` +``product_copyright`` Unicode :py:attr:`~.CmsProfile.copyright` +``product_desc`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_description`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_manufacturer`` Unicode :py:attr:`~.CmsProfile.manufacturer` +``product_model`` Unicode :py:attr:`~.CmsProfile.model` +======================== =================================================== + +Python 2.7 +~~~~~~~~~~ + +.. deprecated:: 6.0.0 +.. versionremoved:: 7.0.0 + +Python 2.7 reached end-of-life on 2020-01-01. Pillow 6.x was the last series to +support Python 2. + +Image.__del__ +~~~~~~~~~~~~~ + +.. deprecated:: 6.1.0 +.. versionremoved:: 7.0.0 + +Implicitly closing the image's underlying file in ``Image.__del__`` has been removed. +Use a context manager or call ``Image.close()`` instead to close the file in a +deterministic way. + +Previous method: + +.. code-block:: python + + im = Image.open("hopper.png") + im.save("out.jpg") + +Use instead: + +.. code-block:: python + + with Image.open("hopper.png") as im: + im.save("out.jpg") + +PIL.*ImagePlugin.__version__ attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 6.0.0 +.. versionremoved:: 7.0.0 + +The version constants of individual plugins have been removed. Use ``PIL.__version__`` +instead. + +=============================== ================================= ================================== +Removed Removed Removed +=============================== ================================= ================================== +``BmpImagePlugin.__version__`` ``Jpeg2KImagePlugin.__version__`` ``PngImagePlugin.__version__`` +``CurImagePlugin.__version__`` ``JpegImagePlugin.__version__`` ``PpmImagePlugin.__version__`` +``DcxImagePlugin.__version__`` ``McIdasImagePlugin.__version__`` ``PsdImagePlugin.__version__`` +``EpsImagePlugin.__version__`` ``MicImagePlugin.__version__`` ``SgiImagePlugin.__version__`` +``FliImagePlugin.__version__`` ``MpegImagePlugin.__version__`` ``SunImagePlugin.__version__`` +``FpxImagePlugin.__version__`` ``MpoImagePlugin.__version__`` ``TgaImagePlugin.__version__`` +``GdImageFile.__version__`` ``MspImagePlugin.__version__`` ``TiffImagePlugin.__version__`` +``GifImagePlugin.__version__`` ``PalmImagePlugin.__version__`` ``WmfImagePlugin.__version__`` +``IcoImagePlugin.__version__`` ``PcdImagePlugin.__version__`` ``XbmImagePlugin.__version__`` +``ImImagePlugin.__version__`` ``PcxImagePlugin.__version__`` ``XpmImagePlugin.__version__`` +``ImtImagePlugin.__version__`` ``PdfImagePlugin.__version__`` ``XVThumbImagePlugin.__version__`` +``IptcImagePlugin.__version__`` ``PixarImagePlugin.__version__`` +=============================== ================================= ================================== + +PyQt4 and PySide +~~~~~~~~~~~~~~~~ + +.. deprecated:: 6.0.0 +.. versionremoved:: 7.0.0 + +Qt 4 reached end-of-life on 2015-12-19. Its Python bindings are also EOL: PyQt4 since +2018-08-31 and PySide since 2015-10-14. + +Support for PyQt4 and PySide has been removed from ``ImageQt``. Please upgrade to PyQt5 +or PySide2. + +Setting the size of TIFF images +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 5.3.0 +.. versionremoved:: 7.0.0 + +Setting the size of a TIFF image directly (eg. ``im.size = (256, 256)``) throws +an error. Use ``Image.resize`` instead. + +VERSION constant +~~~~~~~~~~~~~~~~ + +.. deprecated:: 5.2.0 +.. versionremoved:: 6.0.0 + +``VERSION`` (the old PIL version, always 1.1.7) has been removed. Use +``__version__`` instead. + +Undocumented ImageOps functions +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. deprecated:: 4.3.0 +.. versionremoved:: 6.0.0 + +Several undocumented functions in ``ImageOps`` have been removed. Use the equivalents +in ``ImageFilter`` instead: + +========================== ============================ +Removed Use instead +========================== ============================ +``ImageOps.box_blur`` ``ImageFilter.BoxBlur`` +``ImageOps.gaussian_blur`` ``ImageFilter.GaussianBlur`` +``ImageOps.gblur`` ``ImageFilter.GaussianBlur`` +``ImageOps.usm`` ``ImageFilter.UnsharpMask`` +``ImageOps.unsharp_mask`` ``ImageFilter.UnsharpMask`` +========================== ============================ + +PIL.OleFileIO +~~~~~~~~~~~~~ + +.. deprecated:: 4.0.0 +.. versionremoved:: 6.0.0 + +PIL.OleFileIO was removed as a vendored file in Pillow 4.0.0 (2017-01) in favour of +the upstream olefile Python package, and replaced with an ``ImportError`` in 5.0.0 +(2018-01). The deprecated file has now been removed from Pillow. If needed, install from +PyPI (eg. ``python3 -m pip install olefile``). diff --git a/docs/example/DdsImagePlugin.py b/docs/example/DdsImagePlugin.py index 29e13b9207a..272409416cc 100644 --- a/docs/example/DdsImagePlugin.py +++ b/docs/example/DdsImagePlugin.py @@ -3,7 +3,7 @@ Jerome Leclanche Documentation: - http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt + https://web.archive.org/web/20170802060935/http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt The contents of this file are hereby released in the public domain (CC0) Full text of the CC0 license: @@ -12,8 +12,8 @@ import struct from io import BytesIO -from PIL import Image, ImageFile +from PIL import Image, ImageFile # Magic ("DDS ") DDS_MAGIC = 0x20534444 @@ -61,8 +61,7 @@ DDS_ALPHA = DDPF_ALPHA DDS_PAL8 = DDPF_PALETTEINDEXED8 -DDS_HEADER_FLAGS_TEXTURE = (DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | - DDSD_PIXELFORMAT) +DDS_HEADER_FLAGS_TEXTURE = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT DDS_HEADER_FLAGS_MIPMAP = DDSD_MIPMAPCOUNT DDS_HEADER_FLAGS_VOLUME = DDSD_DEPTH DDS_HEADER_FLAGS_PITCH = DDSD_PITCH @@ -94,9 +93,9 @@ def _decode565(bits): - a = ((bits >> 11) & 0x1f) << 3 - b = ((bits >> 5) & 0x3f) << 2 - c = (bits & 0x1f) << 3 + a = ((bits >> 11) & 0x1F) << 3 + b = ((bits >> 5) & 0x3F) << 2 + c = (bits & 0x1F) << 3 return a, b, c @@ -145,7 +144,7 @@ def _dxt1(data, width, height): r, g, b = 0, 0, 0 idx = 4 * ((y + j) * width + x + i) - ret[idx:idx+4] = struct.pack('4B', r, g, b, 255) + ret[idx : idx + 4] = struct.pack("4B", r, g, b, 255) return bytes(ret) @@ -167,7 +166,7 @@ def _dxtc_alpha(a0, a1, ac0, ac1, ai): elif ac == 6: alpha = 0 elif ac == 7: - alpha = 0xff + alpha = 0xFF else: alpha = ((6 - ac) * a0 + (ac - 1) * a1) // 5 @@ -180,8 +179,7 @@ def _dxt5(data, width, height): for y in range(0, height, 4): for x in range(0, width, 4): - a0, a1, ac0, ac1, c0, c1, code = struct.unpack("<2BHI2HI", - data.read(16)) + a0, a1, ac0, ac1, c0, c1, code = struct.unpack("<2BHI2HI", data.read(16)) r0, g0, b0 = _decode565(c0) r1, g1, b1 = _decode565(c1) @@ -202,7 +200,7 @@ def _dxt5(data, width, height): r, g, b = _c3(r0, r1), _c3(g0, g1), _c3(b0, b1) idx = 4 * ((y + j) * width + x + i) - ret[idx:idx+4] = struct.pack('4B', r, g, b, alpha) + ret[idx : idx + 4] = struct.pack("4B", r, g, b, alpha) return bytes(ret) @@ -214,37 +212,32 @@ class DdsImageFile(ImageFile.ImageFile): def _open(self): magic, header_size = struct.unpack("` for details. + +.. _apng-sequences: + +APNG sequences +~~~~~~~~~~~~~~ + +The PNG loader includes limited support for reading and writing Animated Portable +Network Graphics (APNG) files. +When an APNG file is loaded, :py:meth:`~PIL.ImageFile.ImageFile.get_format_mimetype` +will return ``"image/apng"``. The value of the :py:attr:`~PIL.Image.Image.is_animated` +property will be ``True`` when the :py:attr:`~PIL.Image.Image.n_frames` property is +greater than 1. For APNG files, the ``n_frames`` property depends on both the animation +frame count as well as the presence or absence of a default image. See the +``default_image`` property documentation below for more details. +The :py:meth:`~PIL.Image.Image.seek` and :py:meth:`~PIL.Image.Image.tell` methods +are supported. + +``im.seek()`` raises an :py:exc:`EOFError` if you try to seek after the last frame. + +These :py:attr:`~PIL.Image.Image.info` properties will be set for APNG frames, +where applicable: + +**default_image** + Specifies whether or not this APNG file contains a separate default image, + which is not a part of the actual APNG animation. + + When an APNG file contains a default image, the initially loaded image (i.e. + the result of ``seek(0)``) will be the default image. + To account for the presence of the default image, the + :py:attr:`~PIL.Image.Image.n_frames` property will be set to ``frame_count + 1``, + where ``frame_count`` is the actual APNG animation frame count. + To load the first APNG animation frame, ``seek(1)`` must be called. + + * ``True`` - The APNG contains default image, which is not an animation frame. + * ``False`` - The APNG does not contain a default image. The ``n_frames`` property + will be set to the actual APNG animation frame count. + The initially loaded image (i.e. ``seek(0)``) will be the first APNG animation + frame. + +**loop** + The number of times to loop this APNG, 0 indicates infinite looping. + +**duration** + The time to display this APNG frame (in milliseconds). + +.. note:: + + The APNG loader returns images the same size as the APNG file's logical screen size. + The returned image contains the pixel data for a given frame, after applying + any APNG frame disposal and frame blend operations (i.e. it contains what a web + browser would render for this frame - the composite of all previous frames and this + frame). + + Any APNG file containing sequence errors is treated as an invalid image. The APNG + loader will not attempt to repair and reorder files containing sequence errors. + +.. _apng-saving: + +Saving +~~~~~~ + +When calling :py:meth:`~PIL.Image.Image.save`, by default only a single frame PNG file +will be saved. To save an APNG file (including a single frame APNG), the ``save_all`` +parameter must be set to ``True``. The following parameters can also be set: + +**default_image** + Boolean value, specifying whether or not the base image is a default image. + If ``True``, the base image will be used as the default image, and the first image + from the ``append_images`` sequence will be the first APNG animation frame. + If ``False``, the base image will be used as the first APNG animation frame. + Defaults to ``False``. + +**append_images** + A list or tuple of images to append as additional frames. Each of the + images in the list can be single or multiframe images. The size of each frame + should match the size of the base image. Also note that if a frame's mode does + not match that of the base image, the frame will be converted to the base image + mode. + +**loop** + Integer number of times to loop this APNG, 0 indicates infinite looping. + Defaults to 0. + +**duration** + Integer (or list or tuple of integers) length of time to display this APNG frame + (in milliseconds). + Defaults to 0. + +**disposal** + An integer (or list or tuple of integers) specifying the APNG disposal + operation to be used for this frame before rendering the next frame. + Defaults to 0. + + * 0 (:py:data:`~PIL.PngImagePlugin.APNG_DISPOSE_OP_NONE`, default) - + No disposal is done on this frame before rendering the next frame. + * 1 (:py:data:`PIL.PngImagePlugin.APNG_DISPOSE_OP_BACKGROUND`) - + This frame's modified region is cleared to fully transparent black before + rendering the next frame. + * 2 (:py:data:`~PIL.PngImagePlugin.APNG_DISPOSE_OP_PREVIOUS`) - + This frame's modified region is reverted to the previous frame's contents before + rendering the next frame. + +**blend** + An integer (or list or tuple of integers) specifying the APNG blend + operation to be used for this frame before rendering the next frame. + Defaults to 0. + + * 0 (:py:data:`~PIL.PngImagePlugin.APNG_BLEND_OP_SOURCE`) - + All color components of this frame, including alpha, overwrite the previous output + image contents. + * 1 (:py:data:`~PIL.PngImagePlugin.APNG_BLEND_OP_OVER`) - + This frame should be alpha composited with the previous output image contents. + +.. note:: + + The ``duration``, ``disposal`` and ``blend`` parameters can be set to lists or tuples to + specify values for each individual frame in the animation. The length of the list or tuple + must be identical to the total number of actual frames in the APNG animation. + If the APNG contains a default image (i.e. ``default_image`` is set to ``True``), + these list or tuple parameters should not include an entry for the default image. + PPM ^^^ -PIL reads and writes PBM, PGM and PPM files containing ``1``, ``L`` or ``RGB`` -data. +Pillow reads and writes PBM, PGM, PPM and PNM files containing ``1``, ``L`` or +``RGB`` data. SGI ^^^ @@ -509,14 +740,14 @@ Pillow reads and writes uncompressed ``L``, ``RGB``, and ``RGBA`` files. SPIDER ^^^^^^ -PIL reads and writes SPIDER image files of 32-bit floating point data +Pillow reads and writes SPIDER image files of 32-bit floating point data ("F;32F"). -PIL also reads SPIDER stack files containing sequences of SPIDER images. The -:py:meth:`~file.seek` and :py:meth:`~file.tell` methods are supported, and +Pillow also reads SPIDER stack files containing sequences of SPIDER images. The +:py:meth:`~PIL.Image.Image.seek` and :py:meth:`~PIL.Image.Image.tell` methods are supported, and random access is allowed. -The :py:meth:`~PIL.Image.Image.open` method sets the following attributes: +The :py:meth:`~PIL.Image.open` method sets the following attributes: **format** Set to ``SPIDER`` @@ -524,13 +755,13 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following attributes: **istack** Set to 1 if the file is an image stack, else 0. -**nimages** +**n_frames** Set to the number of images in the stack. -A convenience method, :py:meth:`~PIL.Image.Image.convert2byte`, is provided for -converting floating point data to byte data (mode ``L``):: +A convenience method, :py:meth:`~PIL.SpiderImagePlugin.SpiderImageFile.convert2byte`, +is provided for converting floating point data to byte data (mode ``L``):: - im = Image.open('image001.spi').convert2byte() + im = Image.open("image001.spi").convert2byte() Writing files in SPIDER format ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -546,13 +777,20 @@ For more information about the SPIDER image processing package, see the .. _SPIDER homepage: https://spider.wadsworth.org/spider_doc/spider/docs/spider.html .. _Wadsworth Center: https://www.wadsworth.org/ +TGA +^^^ + +Pillow reads and writes TGA images containing ``L``, ``LA``, ``P``, +``RGB``, and ``RGBA`` data. Pillow can read and write both uncompressed and +run-length encoded TGAs. + TIFF ^^^^ Pillow reads and writes TIFF files. It can read both striped and tiled images, pixel and plane interleaved multi-band images. If you have -libtiff and its headers installed, PIL can read and write many kinds -of compressed TIFF files. If not, PIL will only read and write +libtiff and its headers installed, Pillow can read and write many kinds +of compressed TIFF files. If not, Pillow will only read and write uncompressed files. .. note:: @@ -562,7 +800,7 @@ uncompressed files. support for reading Packbits, LZW and JPEG compressed TIFFs without using libtiff. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **compression** @@ -572,8 +810,8 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following **dpi** Image resolution as an ``(xdpi, ydpi)`` tuple, where applicable. You can use - the :py:attr:`~PIL.Image.Image.tag` attribute to get more detailed - information about the image resolution. + the :py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag` attribute to get more + detailed information about the image resolution. .. versionadded:: 1.1.5 @@ -584,9 +822,9 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following .. versionadded:: 1.1.5 -The :py:attr:`~PIL.Image.Image.tag_v2` attribute contains a dictionary -of TIFF metadata. The keys are numerical indexes from -:py:attr:`~PIL.TiffTags.TAGS_V2`. Values are strings or numbers for single +The :py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag_v2` attribute contains a +dictionary of TIFF metadata. The keys are numerical indexes from +:py:data:`.TiffTags.TAGS_V2`. Values are strings or numbers for single items, multiple values are returned in a tuple of values. Rational numbers are returned as a :py:class:`~PIL.TiffImagePlugin.IFDRational` object. @@ -594,13 +832,24 @@ object. .. versionadded:: 3.0.0 For compatibility with legacy code, the -:py:attr:`~PIL.Image.Image.tag` attribute contains a dictionary of -decoded TIFF fields as returned prior to version 3.0.0. Values are +:py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag` attribute contains a dictionary +of decoded TIFF fields as returned prior to version 3.0.0. Values are returned as either strings or tuples of numeric values. Rational numbers are returned as a tuple of ``(numerator, denominator)``. .. deprecated:: 3.0.0 +Reading Multi-frame TIFF Images +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The TIFF loader supports the :py:meth:`~PIL.Image.Image.seek` and +:py:meth:`~PIL.Image.Image.tell` methods, taking and returning frame numbers +within the image file. You can combine these methods to seek to the next frame +(``im.seek(im.tell() + 1)``). Frames are numbered from 0 to ``im.n_frames - 1``, +and can be accessed in any order. + +``im.seek()`` raises an :py:exc:`EOFError` if you try to seek after the +last frame. Saving Tiff Images ~~~~~~~~~~~~~~~~~~ @@ -612,6 +861,14 @@ The :py:meth:`~PIL.Image.Image.save` method can take the following keyword argum .. versionadded:: 3.4.0 +**append_images** + A list of images to append as additional frames. Each of the + images in the list can be single or multiframe images. Note however, that for + correct results, all the appended images should have the same + ``encoderinfo`` and ``encoderconfig`` properties. + + .. versionadded:: 4.2.0 + **tiffinfo** A :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` object or dict object containing tiff tags and values. The TIFF field type is @@ -620,7 +877,7 @@ The :py:meth:`~PIL.Image.Image.save` method can take the following keyword argum object and setting the type in :py:attr:`~PIL.TiffImagePlugin.ImageFileDirectory_v2.tagtype` with the appropriate numerical value from - ``TiffTags.TYPES``. + :py:data:`.TiffTags.TYPES`. .. versionadded:: 2.3.0 @@ -633,21 +890,38 @@ The :py:meth:`~PIL.Image.Image.save` method can take the following keyword argum :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v1` object may be passed in this field. However, this is deprecated. - .. versionadded:: 3.0.0 - - .. note:: + .. versionadded:: 5.4.0 - Only some tags are currently supported when writing using + Previous versions only supported some tags when writing using libtiff. The supported list is found in - :py:attr:`~PIL:TiffTags.LIBTIFF_CORE`. + :py:data:`.TiffTags.LIBTIFF_CORE`. + + .. versionadded:: 6.1.0 + + Added support for signed types (e.g. ``TIFF_SIGNED_LONG``) and multiple values. + Multiple values for a single tag must be to + :py:class:`~PIL.TiffImagePlugin.ImageFileDirectory_v2` as a tuple and + require a matching type in + :py:attr:`~PIL.TiffImagePlugin.ImageFileDirectory_v2.tagtype` tagtype. + +**exif** + Alternate keyword to "tiffinfo", for consistency with other formats. + + .. versionadded:: 8.4.0 **compression** A string containing the desired compression method for the file. (valid only with libtiff installed) Valid compression - methods are: ``None``, ``"tiff_ccitt"``, ``"group3"``, - ``"group4"``, ``"tiff_jpeg"``, ``"tiff_adobe_deflate"``, - ``"tiff_thunderscan"``, ``"tiff_deflate"``, ``"tiff_sgilog"``, - ``"tiff_sgilog24"``, ``"tiff_raw_16"`` + methods are: :data:`None`, ``"group3"``, ``"group4"``, ``"jpeg"``, ``"lzma"``, + ``"packbits"``, ``"tiff_adobe_deflate"``, ``"tiff_ccitt"``, ``"tiff_lzw"``, + ``"tiff_raw_16"``, ``"tiff_sgilog"``, ``"tiff_sgilog24"``, ``"tiff_thunderscan"``, + ``"webp"`, ``"zstd"`` + +**quality** + The image quality for JPEG compression, on a scale from 0 (worst) to 100 + (best). The default is 75. + + .. versionadded:: 6.1.0 These arguments to set the tiff header fields are an alternative to using the general tags available through tiffinfo. @@ -663,26 +937,32 @@ using the general tags available through tiffinfo. **copyright** Strings +**icc_profile** + The ICC Profile to include in the saved file. + **resolution_unit** - A string of "inch", "centimeter" or "cm" + An integer. 1 for no unit, 2 for inches and 3 for centimeters. **resolution** + Either an integer or a float, used for both the x and y resolution. **x_resolution** + Either an integer or a float. **y_resolution** + Either an integer or a float. **dpi** - Either a Float, 2 tuple of (numerator, denominator) or a - :py:class:`~PIL.TiffImagePlugin.IFDRational`. Resolution implies - an equal x and y resolution, dpi also implies a unit of inches. + A tuple of (x_resolution, y_resolution), with inches as the resolution + unit. For consistency with other image formats, the x and y resolutions + of the dpi will be rounded to the nearest integer. WebP ^^^^ -PIL reads and writes WebP files. The specifics of PIL's capabilities with this -format are currently undocumented. +Pillow reads and writes WebP files. The specifics of Pillow's capabilities with +this format are currently undocumented. The :py:meth:`~PIL.Image.Image.save` method supports the following options: @@ -696,9 +976,9 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options: files compared to the slowest, but best, 100. **method** - Quality/speed trade-off (0=fast, 6=slower-better). Defaults to 0. + Quality/speed trade-off (0=fast, 6=slower-better). Defaults to 4. -**icc_procfile** +**icc_profile** The ICC Profile to include in the saved file. Only supported if the system WebP library was built with webpmux support. @@ -713,10 +993,12 @@ Saving sequences Support for animated WebP files will only be enabled if the system WebP library is v0.5.0 or later. You can check webp animation support at - runtime by calling `features.check("webp_anim")`. + runtime by calling ``features.check("webp_anim")``. -When calling :py:meth:`~PIL.Image.Image.save`, the following options -are available when the `save_all` argument is present and true. +When calling :py:meth:`~PIL.Image.Image.save` to write a WebP file, by default +only the first frame of a multiframe image will be saved. If the ``save_all`` +argument is present and true, then all frames will be saved, and the following +options will also be available. **append_images** A list of images to append as additional frames. Each of the @@ -754,11 +1036,18 @@ are available when the `save_all` argument is present and true. XBM ^^^ -PIL reads and writes X bitmap files (mode ``1``). +Pillow reads and writes X bitmap files (mode ``1``). Read-only formats ----------------- +BLP +^^^ + +BLP is the Blizzard Mipmap Format, a texture format used in World of +Warcraft. Pillow supports reading ``JPEG`` Compressed or raw ``BLP1`` +images, and all types of ``BLP2`` images. + CUR ^^^ @@ -773,25 +1062,14 @@ is commonly used in fax applications. The DCX decoder can read files containing ``1``, ``L``, ``P``, or ``RGB`` data. When the file is opened, only the first image is read. You can use -:py:meth:`~file.seek` or :py:mod:`~PIL.ImageSequence` to read other images. - - -DDS -^^^ - -DDS is a popular container texture format used in video games and natively -supported by DirectX. -Currently, DXT1, DXT3, and DXT5 pixel formats are supported and only in ``RGBA`` -mode. - -.. versionadded:: 3.4.0 DXT3 +:py:meth:`~PIL.Image.Image.seek` or :py:mod:`~PIL.ImageSequence` to read other images. FLI, FLC ^^^^^^^^ -PIL reads Autodesk FLI and FLC animations. +Pillow reads Autodesk FLI and FLC animations. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **duration** @@ -800,7 +1078,7 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following FPX ^^^ -PIL reads Kodak FlashPix files. In the current version, only the highest +Pillow reads Kodak FlashPix files. In the current version, only the highest resolution image is read from the file, and the viewing transform is not taken into account. @@ -824,7 +1102,7 @@ GBR The GBR decoder reads GIMP brush files, version 1 and 2. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **comment** @@ -836,11 +1114,10 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following GD ^^ -PIL reads uncompressed GD files. Note that this file format cannot be -automatically identified, so you must use :py:func:`PIL.GdImageFile.open` to -read such a file. +Pillow reads uncompressed GD2 files. Note that you must use +:py:func:`PIL.GdImageFile.open` to read such a file. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **transparency** @@ -850,24 +1127,24 @@ The :py:meth:`~PIL.Image.Image.open` method sets the following IMT ^^^ -PIL reads Image Tools images containing ``L`` data. +Pillow reads Image Tools images containing ``L`` data. IPTC/NAA ^^^^^^^^ -PIL provides limited read support for IPTC/NAA newsphoto files. +Pillow provides limited read support for IPTC/NAA newsphoto files. MCIDAS ^^^^^^ -PIL identifies and reads 8-bit McIdas area files. +Pillow identifies and reads 8-bit McIdas area files. MIC ^^^ -PIL identifies and reads Microsoft Image Composer (MIC) files. When opened, the -first sprite in the file is loaded. You can use :py:meth:`~file.seek` and -:py:meth:`~file.tell` to read other sprites from the file. +Pillow identifies and reads Microsoft Image Composer (MIC) files. When opened, +the first sprite in the file is loaded. You can use :py:meth:`~PIL.Image.Image.seek` and +:py:meth:`~PIL.Image.Image.tell` to read other sprites from the file. Note that there may be an embedded gamma of 2.2 in MIC files. @@ -875,42 +1152,37 @@ MPO ^^^ Pillow identifies and reads Multi Picture Object (MPO) files, loading the primary -image when first opened. The :py:meth:`~file.seek` and :py:meth:`~file.tell` +image when first opened. The :py:meth:`~PIL.Image.Image.seek` and :py:meth:`~PIL.Image.Image.tell` methods may be used to read other pictures from the file. The pictures are zero-indexed and random access is supported. PCD ^^^ -PIL reads PhotoCD files containing ``RGB`` data. This only reads the 768x512 +Pillow reads PhotoCD files containing ``RGB`` data. This only reads the 768x512 resolution image from the file. Higher resolutions are encoded in a proprietary encoding. PIXAR ^^^^^ -PIL provides limited support for PIXAR raster files. The library can identify -and read “dumped” RGB files. +Pillow provides limited support for PIXAR raster files. The library can +identify and read “dumped” RGB files. The format code is ``PIXAR``. PSD ^^^ -PIL identifies and reads PSD files written by Adobe Photoshop 2.5 and 3.0. - +Pillow identifies and reads PSD files written by Adobe Photoshop 2.5 and 3.0. -TGA -^^^ - -PIL reads 24- and 32-bit uncompressed and run-length encoded TGA files. WAL ^^^ .. versionadded:: 1.1.4 -PIL reads Quake2 WAL texture files. +Pillow reads Quake2 WAL texture files. Note that this file format cannot be automatically identified, so you must use the open function in the :py:mod:`~PIL.WalImageFile` module to read files in @@ -919,12 +1191,54 @@ this format. By default, a Quake2 standard palette is attached to the texture. To override the palette, use the putpalette method. +WMF +^^^ + +Pillow can identify WMF files. + +On Windows, it can read WMF files. By default, it will load the image at 72 +dpi. To load it at another resolution: + +.. code-block:: python + + from PIL import Image + + with Image.open("drawing.wmf") as im: + im.load(dpi=144) + +To add other read or write support, use +:py:func:`PIL.WmfImagePlugin.register_handler` to register a WMF handler. + +.. code-block:: python + + from PIL import Image + from PIL import WmfImagePlugin + + + class WmfHandler: + def open(self, im): + ... + + def load(self, im): + ... + return image + + def save(self, im, fp, filename): + ... + + + wmf_handler = WmfHandler() + + WmfImagePlugin.register_handler(wmf_handler) + + im = Image.open("sample.wmf") + XPM ^^^ -PIL reads X pixmap files (mode ``P``) with 256 colors or less. +Pillow reads X pixmap files (mode ``P``) with 256 colors or less. -The :py:meth:`~PIL.Image.Image.open` method sets the following +The :py:meth:`~PIL.Image.open` method sets the following :py:attr:`~PIL.Image.Image.info` properties: **transparency** @@ -937,26 +1251,95 @@ Write-only formats PALM ^^^^ -PIL provides write-only support for PALM pixmap files. +Pillow provides write-only support for PALM pixmap files. The format code is ``Palm``, the extension is ``.palm``. PDF ^^^ -PIL can write PDF (Acrobat) images. Such images are written as binary PDF 1.1 +Pillow can write PDF (Acrobat) images. Such images are written as binary PDF 1.4 files, using either JPEG or HEX encoding depending on the image mode (and whether JPEG support is available or not). -When calling :py:meth:`~PIL.Image.Image.save`, if a multiframe image is used, -by default, only the first image will be saved. To save all frames, each frame -to a separate page of the PDF, the ``save_all`` parameter must be present and -set to ``True``. +The :py:meth:`~PIL.Image.Image.save` method can take the following keyword arguments: + +**save_all** + If a multiframe image is used, by default, only the first image will be saved. + To save all frames, each frame to a separate page of the PDF, the ``save_all`` + parameter must be present and set to ``True``. + + .. versionadded:: 3.0.0 + +**append_images** + A list of :py:class:`PIL.Image.Image` objects to append as additional pages. Each + of the images in the list can be single or multiframe images. The ``save_all`` + parameter must be present and set to ``True`` in conjunction with + ``append_images``. + + .. versionadded:: 4.2.0 + +**append** + Set to True to append pages to an existing PDF file. If the file doesn't + exist, an :py:exc:`OSError` will be raised. + + .. versionadded:: 5.1.0 + +**resolution** + Image resolution in DPI. This, together with the number of pixels in the + image, will determine the physical dimensions of the page that will be + saved in the PDF. + +**title** + The document’s title. If not appending to an existing PDF file, this will + default to the filename. + + .. versionadded:: 5.1.0 + +**author** + The name of the person who created the document. + + .. versionadded:: 5.1.0 + +**subject** + The subject of the document. + + .. versionadded:: 5.1.0 + +**keywords** + Keywords associated with the document. + + .. versionadded:: 5.1.0 + +**creator** + If the document was converted to PDF from another format, the name of the + conforming product that created the original document from which it was + converted. + + .. versionadded:: 5.1.0 + +**producer** + If the document was converted to PDF from another format, the name of the + conforming product that converted it to PDF. + + .. versionadded:: 5.1.0 + +**creationDate** + The creation date of the document. If not appending to an existing PDF + file, this will default to the current time. + + .. versionadded:: 5.3.0 + +**modDate** + The modification date of the document. If not appending to an existing PDF + file, this will default to the current time. + + .. versionadded:: 5.3.0 XV Thumbnails ^^^^^^^^^^^^^ -PIL can read XV thumbnail files. +Pillow can read XV thumbnail files. Identify-only formats --------------------- @@ -966,7 +1349,7 @@ BUFR .. versionadded:: 1.1.3 -PIL provides a stub driver for BUFR files. +Pillow provides a stub driver for BUFR files. To add read or write support to your application, use :py:func:`PIL.BufrStubImagePlugin.register_handler`. @@ -976,7 +1359,7 @@ FITS .. versionadded:: 1.1.5 -PIL provides a stub driver for FITS files. +Pillow provides a stub driver for FITS files. To add read or write support to your application, use :py:func:`PIL.FitsStubImagePlugin.register_handler`. @@ -986,11 +1369,11 @@ GRIB .. versionadded:: 1.1.5 -PIL provides a stub driver for GRIB files. +Pillow provides a stub driver for GRIB files. The driver requires the file to start with a GRIB header. If you have files with embedded GRIB data, or files with multiple GRIB fields, your application -has to seek to the header before passing the file handle to PIL. +has to seek to the header before passing the file handle to Pillow. To add read or write support to your application, use :py:func:`PIL.GribStubImagePlugin.register_handler`. @@ -1000,7 +1383,7 @@ HDF5 .. versionadded:: 1.1.5 -PIL provides a stub driver for HDF5 files. +Pillow provides a stub driver for HDF5 files. To add read or write support to your application, use :py:func:`PIL.Hdf5StubImagePlugin.register_handler`. @@ -1008,36 +1391,4 @@ To add read or write support to your application, use MPEG ^^^^ -PIL identifies MPEG files. - -WMF -^^^ - -PIL can identify playable WMF files. - -In PIL 1.1.4 and earlier, the WMF driver provides some limited rendering -support, but not enough to be useful for any real application. - -In PIL 1.1.5 and later, the WMF driver is a stub driver. To add WMF read or -write support to your application, use -:py:func:`PIL.WmfImagePlugin.register_handler` to register a WMF handler. - -:: - - from PIL import Image - from PIL import WmfImagePlugin - - class WmfHandler: - def open(self, im): - ... - def load(self, im): - ... - return image - def save(self, im, fp, filename): - ... - - wmf_handler = WmfHandler() - - WmfImagePlugin.register_handler(wmf_handler) - - im = Image.open("sample.wmf") +Pillow identifies MPEG files. diff --git a/docs/handbook/overview.rst b/docs/handbook/overview.rst index b52939b89c6..17964d1c5f3 100644 --- a/docs/handbook/overview.rst +++ b/docs/handbook/overview.rst @@ -33,7 +33,7 @@ DIB interface ` that can be used with PythonWin and other Windows-based toolkits. Many other GUI toolkits come with some kind of PIL support. -For debugging, there’s also a :py:meth:`show` method which saves an image to +For debugging, there’s also a :py:meth:`~PIL.Image.Image.show` method which saves an image to disk, and calls an external display utility. Image Processing diff --git a/docs/handbook/text-anchors.rst b/docs/handbook/text-anchors.rst new file mode 100644 index 00000000000..0aecd348366 --- /dev/null +++ b/docs/handbook/text-anchors.rst @@ -0,0 +1,140 @@ + +.. _text-anchors: + +Text anchors +============ + +The ``anchor`` parameter determines the alignment of drawn text relative to the ``xy`` parameter. +The default alignment is top left, specifically ``la`` (left-ascender) for horizontal text +and ``lt`` (left-top) for vertical text. + +This parameter is only supported by OpenType/TrueType fonts. +Other fonts may ignore the parameter and use the default (top left) alignment. + +Specifying an anchor +^^^^^^^^^^^^^^^^^^^^ + +An anchor is specified with a two-character string. The first character is the +horizontal alignment, the second character is the vertical alignment. +For example, the default value of ``la`` for horizontal text means left-ascender +aligned text. + +When drawing text with :py:meth:`PIL.ImageDraw.ImageDraw.text` with a specific anchor, +the text will be placed such that the specified anchor point is at the ``xy`` coordinates. + +For example, in the following image, the text is ``ms`` (middle-baseline) aligned, with +``xy`` at the intersection of the two lines: + +.. image:: ../../Tests/images/test_anchor_quick_ms.png + :alt: ms (middle-baseline) aligned text. + :align: left + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + font = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48) + im = Image.new("RGB", (200, 200), "white") + d = ImageDraw.Draw(im) + d.line(((0, 100), (200, 100)), "gray") + d.line(((100, 0), (100, 200)), "gray") + d.text((100, 100), "Quick", fill="black", anchor="ms", font=font) + +.. container:: clearer + + | + +.. only: comment + The container above prevents the image alignment from affecting the following text. + +Quick reference +^^^^^^^^^^^^^^^ + +.. image:: ../resources/anchor_horizontal.svg + :alt: Horizontal text + :align: center + +.. image:: ../resources/anchor_vertical.svg + :alt: Vertical text + :align: center + +Horizontal anchor alignment +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``l`` --- left + Anchor is to the left of the text. + + For *horizontal* text this is the origin of the first glyph, as shown in the `FreeType tutorial`_. + +``m`` --- middle + Anchor is horizontally centered with the text. + + For *vertical* text it is recommended to use ``s`` (baseline) alignment instead, + as it does not change based on the specific glyphs of the given text. + +``r`` --- right + Anchor is to the right of the text. + + For *horizontal* text this is the advanced origin of the last glyph, as shown in the `FreeType tutorial`_. + +``s`` --- baseline *(vertical text only)* + Anchor is at the baseline (middle) of the text. The exact alignment depends on the font. + + For *vertical* text this is the recommended alignment, + as it does not change based on the specific glyphs of the given text + (see image for vertical text above). + +Vertical anchor alignment +^^^^^^^^^^^^^^^^^^^^^^^^^ + +``a`` --- ascender / top *(horizontal text only)* + Anchor is at the ascender line (top) of the first line of text, as defined by the font. + + See `Font metrics on Wikipedia`_ for more information. + +``t`` --- top *(single-line text only)* + Anchor is at the top of the text. + + For *vertical* text this is the origin of the first glyph, as shown in the `FreeType tutorial`_. + + For *horizontal* text it is recommended to use ``a`` (ascender) alignment instead, + as it does not change based on the specific glyphs of the given text. + +``m`` --- middle + Anchor is vertically centered with the text. + + For *horizontal* text this is the midpoint of the first ascender line and the last descender line. + +``s`` --- baseline *(horizontal text only)* + Anchor is at the baseline (bottom) of the first line of text, only descenders extend below the anchor. + + See `Font metrics on Wikipedia`_ for more information. + +``b`` --- bottom *(single-line text only)* + Anchor is at the bottom of the text. + + For *vertical* text this is the advanced origin of the last glyph, as shown in the `FreeType tutorial`_. + + For *horizontal* text it is recommended to use ``d`` (descender) alignment instead, + as it does not change based on the specific glyphs of the given text. + +``d`` --- descender / bottom *(horizontal text only)* + Anchor is at the descender line (bottom) of the last line of text, as defined by the font. + + See `Font metrics on Wikipedia`_ for more information. + +Examples +^^^^^^^^ + +The following image shows several examples of anchors for horizontal text. +In each section the ``xy`` parameter was set to the center shown by the intersection +of the two lines. + +.. comment: Image generated with ../example/anchors.py + +.. image:: ../example/anchors.png + :alt: Text anchor examples + :align: center + +.. _Font metrics on Wikipedia: https://en.wikipedia.org/wiki/Typeface#Font_metrics +.. _FreeType tutorial: https://freetype.org/freetype2/docs/tutorial/step2.html diff --git a/docs/handbook/tutorial.rst b/docs/handbook/tutorial.rst index e822f5a084b..aa9efe19261 100644 --- a/docs/handbook/tutorial.rst +++ b/docs/handbook/tutorial.rst @@ -18,7 +18,6 @@ in the :py:mod:`~PIL.Image` module:: If successful, this function returns an :py:class:`~PIL.Image.Image` object. You can now use instance attributes to examine the file contents:: - >>> from __future__ import print_function >>> print(im.format, im.size, im.mode) PPM (512, 512) RGB @@ -30,7 +29,7 @@ bands in the image, and also the pixel type and depth. Common modes are “L” (luminance) for greyscale images, “RGB” for true color images, and “CMYK” for pre-press images. -If the file cannot be opened, an :py:exc:`IOError` exception is raised. +If the file cannot be opened, an :py:exc:`OSError` exception is raised. Once you have an instance of the :py:class:`~PIL.Image.Image` class, you can use the methods defined by this class to process and manipulate the image. For @@ -41,10 +40,10 @@ example, let’s display the image we just loaded:: .. note:: The standard version of :py:meth:`~PIL.Image.Image.show` is not very - efficient, since it saves the image to a temporary file and calls the - :command:`xv` utility to display the image. If you don’t have :command:`xv` - installed, it won’t even work. When it does work though, it is very handy - for debugging and tests. + efficient, since it saves the image to a temporary file and calls a utility + to display the image. If you don’t have an appropriate utility installed, + it won’t even work. When it does work though, it is very handy for + debugging and tests. The following sections provide an overview of the different functions provided in this library. @@ -67,7 +66,6 @@ Convert files to JPEG :: - from __future__ import print_function import os, sys from PIL import Image @@ -76,8 +74,9 @@ Convert files to JPEG outfile = f + ".jpg" if infile != outfile: try: - Image.open(infile).save(outfile) - except IOError: + with Image.open(infile) as im: + im.save(outfile) + except OSError: print("cannot convert", infile) A second argument can be supplied to the :py:meth:`~PIL.Image.Image.save` @@ -89,7 +88,6 @@ Create JPEG thumbnails :: - from __future__ import print_function import os, sys from PIL import Image @@ -99,10 +97,10 @@ Create JPEG thumbnails outfile = os.path.splitext(infile)[0] + ".thumbnail" if infile != outfile: try: - im = Image.open(infile) - im.thumbnail(size) - im.save(outfile, "JPEG") - except IOError: + with Image.open(infile) as im: + im.thumbnail(size) + im.save(outfile, "JPEG") + except OSError: print("cannot create thumbnail for", infile) It is important to note that the library doesn’t decode or load the raster data @@ -120,15 +118,14 @@ Identify Image Files :: - from __future__ import print_function import sys from PIL import Image for infile in sys.argv[1:]: try: with Image.open(infile) as im: - print(infile, im.format, "%dx%d" % im.size, im.mode) - except IOError: + print(infile, im.format, f"{im.size}x{im.mode}") + except OSError: pass Cutting, pasting, and merging images @@ -175,29 +172,20 @@ Rolling an image :: def roll(image, delta): - "Roll an image sideways" - + """Roll an image sideways.""" xsize, ysize = image.size delta = delta % xsize - if delta == 0: return image + if delta == 0: + return image part1 = image.crop((0, 0, delta, ysize)) part2 = image.crop((delta, 0, xsize, ysize)) - part1.load() - part2.load() - image.paste(part2, (0, 0, xsize-delta, ysize)) - image.paste(part1, (xsize-delta, 0, xsize, ysize)) + image.paste(part1, (xsize - delta, 0, xsize, ysize)) + image.paste(part2, (0, 0, xsize - delta, ysize)) return image -Note that when pasting it back from the :py:meth:`~PIL.Image.Image.crop` -operation, :py:meth:`~PIL.Image.Image.load` is called first. This is because -cropping is a lazy operation. If :py:meth:`~PIL.Image.Image.load` was not -called, then the crop operation would not be performed until the images were -used in the paste commands. This would mean that ``part1`` would be cropped from -the version of ``image`` already modified by the first paste. - For more advanced tricks, the paste method can also take a transparency mask as an optional argument. In this mask, the value 255 indicates that the pasted image is opaque in that position (that is, the pasted image should be used as @@ -257,7 +245,7 @@ Transposing an image out = im.transpose(Image.ROTATE_270) ``transpose(ROTATE)`` operations can also be performed identically with -:py:meth:`~PIL.Image.Image.rotate` operations, provided the `expand` flag is +:py:meth:`~PIL.Image.Image.rotate` operations, provided the ``expand`` flag is true, to provide for the same changes to the image's size. A more general form of image transformations can be carried out via the @@ -277,7 +265,9 @@ Converting between modes :: from PIL import Image - im = Image.open("hopper.ppm").convert("L") + + with Image.open("hopper.ppm") as im: + im = im.convert("L") The library supports transformations between each supported mode and the “L” and “RGB” modes. To convert between other modes, you may have to use an @@ -393,23 +383,19 @@ Reading sequences from PIL import Image - im = Image.open("animation.gif") - im.seek(1) # skip to the second frame + with Image.open("animation.gif") as im: + im.seek(1) # skip to the second frame - try: - while 1: - im.seek(im.tell()+1) - # do something to im - except EOFError: - pass # end of sequence + try: + while 1: + im.seek(im.tell() + 1) + # do something to im + except EOFError: + pass # end of sequence As seen in this example, you’ll get an :py:exc:`EOFError` exception when the sequence ends. -Note that most drivers in the current version of the library only allow you to -seek to the next frame (as in the above example). To rewind the file, you may -have to reopen it. - The following class lets you use the for-statement to loop over the sequence: Using the ImageSequence Iterator class @@ -422,13 +408,13 @@ Using the ImageSequence Iterator class # ...do something to frame... -Postscript printing +PostScript printing ------------------- The Python Imaging Library includes functions to print images, text and -graphics on Postscript printers. Here’s a simple example: +graphics on PostScript printers. Here’s a simple example: -Drawing Postscript +Drawing PostScript ^^^^^^^^^^^^^^^^^^ :: @@ -436,39 +422,41 @@ Drawing Postscript from PIL import Image from PIL import PSDraw - im = Image.open("hopper.ppm") - title = "hopper" - box = (1*72, 2*72, 7*72, 10*72) # in points + with Image.open("hopper.ppm") as im: + title = "hopper" + box = (1 * 72, 2 * 72, 7 * 72, 10 * 72) # in points - ps = PSDraw.PSDraw() # default is sys.stdout - ps.begin_document(title) + ps = PSDraw.PSDraw() # default is sys.stdout or sys.stdout.buffer + ps.begin_document(title) - # draw the image (75 dpi) - ps.image(box, im, 75) - ps.rectangle(box) + # draw the image (75 dpi) + ps.image(box, im, 75) + ps.rectangle(box) - # draw title - ps.setfont("HelveticaNarrow-Bold", 36) - ps.text((3*72, 4*72), title) + # draw title + ps.setfont("HelveticaNarrow-Bold", 36) + ps.text((3 * 72, 4 * 72), title) - ps.end_document() + ps.end_document() More on reading images ---------------------- As described earlier, the :py:func:`~PIL.Image.open` function of the :py:mod:`~PIL.Image` module is used to open an image file. In most cases, you -simply pass it the filename as an argument:: +simply pass it the filename as an argument. ``Image.open()`` can be used as a +context manager:: from PIL import Image - im = Image.open("hopper.ppm") + with Image.open("hopper.ppm") as im: + ... If everything goes well, the result is an :py:class:`PIL.Image.Image` object. -Otherwise, an :exc:`IOError` exception is raised. +Otherwise, an :exc:`OSError` exception is raised. You can use a file-like object instead of the filename. The object must -implement :py:meth:`~file.read`, :py:meth:`~file.seek` and -:py:meth:`~file.tell` methods, and be opened in binary mode. +implement ``file.read``, ``file.seek`` and ``file.tell`` methods, +and be opened in binary mode. Reading from an open file ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -476,20 +464,22 @@ Reading from an open file :: from PIL import Image + with open("hopper.ppm", "rb") as fp: im = Image.open(fp) -To read an image from string data, use the :py:class:`~StringIO.StringIO` +To read an image from binary data, use the :py:class:`~io.BytesIO` class: -Reading from a string -^^^^^^^^^^^^^^^^^^^^^ +Reading from binary data +^^^^^^^^^^^^^^^^^^^^^^^^ :: - import StringIO + from PIL import Image + import io - im = Image.open(StringIO.StringIO(buffer)) + im = Image.open(io.BytesIO(buffer)) Note that the library rewinds the file (using ``seek(0)``) before reading the image header. In addition, seek will also be used when the image data is read @@ -507,6 +497,43 @@ Reading from a tar archive fp = TarIO.TarIO("Tests/images/hopper.tar", "hopper.jpg") im = Image.open(fp) + +Batch processing +^^^^^^^^^^^^^^^^ + +Operations can be applied to multiple image files. For example, all PNG images +in the current directory can be saved as JPEGs at reduced quality. + +:: + + import glob + from PIL import Image + + + def compress_image(source_path, dest_path): + with Image.open(source_path) as img: + if img.mode != "RGB": + img = img.convert("RGB") + img.save(dest_path, "JPEG", optimize=True, quality=80) + + + paths = glob.glob("*.png") + for path in paths: + compress_image(path, path[:-4] + ".jpg") + +Since images can also be opened from a ``Path`` from the ``pathlib`` module, +the example could be modified to use ``pathlib`` instead of the ``glob`` +module. + +:: + + from pathlib import Path + + paths = Path(".").glob("*.png") + for path in paths: + compress_image(path, path.stem + ".jpg") + + Controlling the decoder ----------------------- @@ -527,12 +554,12 @@ This is only available for JPEG and MPO files. :: from PIL import Image - from __future__ import print_function - im = Image.open(file) - print("original =", im.mode, im.size) - im.draft("L", (100, 100)) - print("draft =", im.mode, im.size) + with Image.open(file) as im: + print("original =", im.mode, im.size) + + im.draft("L", (100, 100)) + print("draft =", im.mode, im.size) This prints something like:: diff --git a/docs/handbook/writing-your-own-file-decoder.rst b/docs/handbook/writing-your-own-file-decoder.rst index aa2463bd1d3..f69da9a9441 100644 --- a/docs/handbook/writing-your-own-file-decoder.rst +++ b/docs/handbook/writing-your-own-file-decoder.rst @@ -3,9 +3,9 @@ Writing Your Own Image Plugin ============================= -The Pillow uses a plug-in model which allows you to add your own +Pillow uses a plugin model which allows you to add your own decoders to the library, without any changes to the library -itself. Such plug-ins usually have names like +itself. Such plugins usually have names like :file:`XxxImagePlugin.py`, where ``Xxx`` is a unique format name (usually an abbreviation). @@ -14,11 +14,11 @@ itself. Such plug-ins usually have names like :file:`ImagePlugin.py`. You will need to import your image plugin manually. -Pillow decodes files in 2 stages: +Pillow decodes files in two stages: 1. It loops over the available image plugins in the loaded order, and - calls the plugin's ``accept`` function with the first 16 bytes of - the file. If the ``accept`` function returns true, the plugin's + calls the plugin's ``_accept`` function with the first 16 bytes of + the file. If the ``_accept`` function returns true, the plugin's ``_open`` method is called to set up the image metadata and image tiles. The ``_open`` method is not for decoding the actual image data. @@ -26,24 +26,24 @@ Pillow decodes files in 2 stages: called, which sets up a decoder for each tile and feeds the data to it. -An image plug-in should contain a format handler derived from the +An image plugin should contain a format handler derived from the :py:class:`PIL.ImageFile.ImageFile` base class. This class should -provide an :py:meth:`_open` method, which reads the file header and +provide an ``_open`` method, which reads the file header and sets up at least the :py:attr:`~PIL.Image.Image.mode` and :py:attr:`~PIL.Image.Image.size` attributes. To be able to load the -file, the method must also create a list of :py:attr:`tile` -descriptors, which contain a decoder name, extents of the tile, and +file, the method must also create a list of ``tile`` descriptors, +which contain a decoder name, extents of the tile, and any decoder-specific data. The format handler class must be explicitly registered, via a call to the :py:mod:`~PIL.Image` module. .. note:: For performance reasons, it is important that the - :py:meth:`_open` method quickly rejects files that do not have the + ``_open`` method quickly rejects files that do not have the appropriate contents. Example ------- -The following plug-in supports a simple format, which has a 128-byte header +The following plugin supports a simple format, which has a 128-byte header consisting of the words “SPAM” followed by the width, height, and pixel size in bits. The header fields are separated by spaces. The image data follows directly after the header, and can be either bi-level, greyscale, or 24-bit @@ -52,7 +52,11 @@ true color. **SpamImagePlugin.py**:: from PIL import Image, ImageFile - import string + + + def _accept(prefix): + return prefix[:4] == b"SPAM" + class SpamImageFile(ImageFile.ImageFile): @@ -61,15 +65,10 @@ true color. def _open(self): - # check header - header = self.fp.read(128) - if header[:4] != "SPAM": - raise SyntaxError, "not a SPAM file" - - header = string.split(header) + header = self.fp.read(128).split() # size in pixels (width, height) - self.size = int(header[1]), int(header[2]) + self._size = int(header[1]), int(header[2]) # mode setting bits = int(header[3]) @@ -80,17 +79,22 @@ true color. elif bits == 24: self.mode = "RGB" else: - raise SyntaxError, "unknown number of bits" + raise SyntaxError("unknown number of bits") # data descriptor - self.tile = [ - ("raw", (0, 0) + self.size, 128, (self.mode, 0, 1)) - ] + self.tile = [("raw", (0, 0) + self.size, 128, (self.mode, 0, 1))] - Image.register_open(SpamImageFile.format, SpamImageFile) - Image.register_extension(SpamImageFile.format, ".spam") - Image.register_extension(SpamImageFile.format, ".spa") # dos version + Image.register_open(SpamImageFile.format, SpamImageFile, _accept) + + Image.register_extensions( + SpamImageFile.format, + [ + ".spam", + ".spa", # DOS version + ], + ) + The format handler must always set the :py:attr:`~PIL.Image.Image.size` and :py:attr:`~PIL.Image.Image.mode` @@ -104,10 +108,20 @@ Note that the image plugin must be explicitly registered using :py:func:`PIL.Image.register_open`. Although not required, it is also a good idea to register any extensions used by this format. -The :py:attr:`tile` attribute ------------------------------ +Once the plugin has been imported, it can be used: + +.. code-block:: python + + from PIL import Image + import SpamImagePlugin -To be able to read the file as well as just identifying it, the :py:attr:`tile` + with Image.open("hopper.spam") as im: + pass + +The ``tile`` attribute +---------------------- + +To be able to read the file as well as just identifying it, the ``tile`` attribute must also be set. This attribute consists of a list of tile descriptors, where each descriptor specifies how data should be loaded to a given region in the image. In most cases, only a single descriptor is used, @@ -133,9 +147,9 @@ The fields are used as follows: **parameters** Parameters to the decoder. The contents of this field depends on the decoder specified by the first field in the tile descriptor tuple. If the - decoder doesn’t need any parameters, use None for this field. + decoder doesn’t need any parameters, use :data:`None` for this field. -Note that the :py:attr:`tile` attribute contains a list of tile descriptors, +Note that the ``tile`` attribute contains a list of tile descriptors, not just a single descriptor. Decoders @@ -147,20 +161,22 @@ The raw decoder The ``raw`` decoder is used to read uncompressed data from an image file. It can be used with most uncompressed file formats, such as PPM, BMP, uncompressed TIFF, and many others. To use the raw decoder with the -:py:func:`PIL.Image.frombytes` function, use the following syntax:: +:py:func:`PIL.Image.frombytes` function, use the following syntax: + +.. code-block:: python image = Image.frombytes( mode, size, data, "raw", - raw mode, stride, orientation + raw_mode, stride, orientation ) When used in a tile descriptor, the parameter field should look like:: - (raw mode, stride, orientation) + (raw_mode, stride, orientation) The fields are used as follows: -**raw mode** +**raw_mode** The pixel layout used in the file, and is used to properly convert data to PIL’s internal layout. For a summary of the available formats, see the table below. @@ -171,48 +187,48 @@ The fields are used as follows: stride defaults to 0. **orientation** - Whether the first line in the image is the top line on the screen (1), or the bottom line (-1). If omitted, the orientation defaults to 1. The **raw mode** field is used to determine how the data should be unpacked to match PIL’s internal pixel layout. PIL supports a large set of raw modes; for a -complete list, see the table in the :py:mod:`Unpack.c` module. The following +complete list, see the table in the :file:`Unpack.c` module. The following table describes some commonly used **raw modes**: -+-----------+-----------------------------------------------------------------+ -| mode | description | -+===========+=================================================================+ -| ``1`` | 1-bit bilevel, stored with the leftmost pixel in the most | -| | significant bit. 0 means black, 1 means white. | -+-----------+-----------------------------------------------------------------+ -| ``1;I`` | 1-bit inverted bilevel, stored with the leftmost pixel in the | -| | most significant bit. 0 means white, 1 means black. | -+-----------+-----------------------------------------------------------------+ -| ``1;R`` | 1-bit reversed bilevel, stored with the leftmost pixel in the | -| | least significant bit. 0 means black, 1 means white. | -+-----------+-----------------------------------------------------------------+ -| ``L`` | 8-bit greyscale. 0 means black, 255 means white. | -+-----------+-----------------------------------------------------------------+ -| ``L;I`` | 8-bit inverted greyscale. 0 means white, 255 means black. | -+-----------+-----------------------------------------------------------------+ -| ``P`` | 8-bit palette-mapped image. | -+-----------+-----------------------------------------------------------------+ -| ``RGB`` | 24-bit true colour, stored as (red, green, blue). | -+-----------+-----------------------------------------------------------------+ -| ``BGR`` | 24-bit true colour, stored as (blue, green, red). | -+-----------+-----------------------------------------------------------------+ -| ``RGBX`` | 24-bit true colour, stored as (red, green, blue, pad). | -+-----------+-----------------------------------------------------------------+ -| ``RGB;L`` | 24-bit true colour, line interleaved (first all red pixels, the | -| | all green pixels, finally all blue pixels). | -+-----------+-----------------------------------------------------------------+ ++-----------+-------------------------------------------------------------------+ +| mode | description | ++===========+===================================================================+ +| ``1`` | | 1-bit bilevel, stored with the leftmost pixel in the most | +| | | significant bit. 0 means black, 1 means white. | ++-----------+-------------------------------------------------------------------+ +| ``1;I`` | | 1-bit inverted bilevel, stored with the leftmost pixel in the | +| | | most significant bit. 0 means white, 1 means black. | ++-----------+-------------------------------------------------------------------+ +| ``1;R`` | | 1-bit reversed bilevel, stored with the leftmost pixel in the | +| | | least significant bit. 0 means black, 1 means white. | ++-----------+-------------------------------------------------------------------+ +| ``L`` | 8-bit greyscale. 0 means black, 255 means white. | ++-----------+-------------------------------------------------------------------+ +| ``L;I`` | 8-bit inverted greyscale. 0 means white, 255 means black. | ++-----------+-------------------------------------------------------------------+ +| ``P`` | 8-bit palette-mapped image. | ++-----------+-------------------------------------------------------------------+ +| ``RGB`` | 24-bit true colour, stored as (red, green, blue). | ++-----------+-------------------------------------------------------------------+ +| ``BGR`` | 24-bit true colour, stored as (blue, green, red). | ++-----------+-------------------------------------------------------------------+ +| ``RGBX`` | | 24-bit true colour, stored as (red, green, blue, pad). The pad | +| | | pixels may vary. | ++-----------+-------------------------------------------------------------------+ +| ``RGB;L`` | | 24-bit true colour, line interleaved (first all red pixels, then| +| | | all green pixels, finally all blue pixels). | ++-----------+-------------------------------------------------------------------+ Note that for the most common cases, the raw mode is simply the same as the mode. The Python Imaging Library supports many other decoders, including JPEG, PNG, and PackBits. For details, see the :file:`decode.c` source file, and the -standard plug-in implementations provided with the library. +standard plugin implementations provided with the library. Decoding floating point data ---------------------------- @@ -224,7 +240,7 @@ You can use the ``raw`` decoder to read images where data is packed in any standard machine data type, using one of the following raw modes: ============ ======================================= -mode description +mode description ============ ======================================= ``F`` 32-bit native floating point. ``F;8`` 8-bit unsigned integer. @@ -256,9 +272,12 @@ If the raw decoder cannot handle your format, PIL also provides a special “bit decoder that can be used to read various packed formats into a floating point image memory. -To use the bit decoder with the frombytes function, use the following syntax:: +To use the bit decoder with the :py:func:`PIL.Image.frombytes` function, use +the following syntax: - image = frombytes( +.. code-block:: python + + image = Image.frombytes( mode, size, data, "bit", bits, pad, fill, sign, orientation ) @@ -350,7 +369,7 @@ interest in this object are: The target image, will be set by Pillow. **state** - An ImagingCodecStateInstance, will be set by Pillow. The **context** + An ImagingCodecStateInstance, will be set by Pillow. The ``context`` member is an opaque struct that can be used by the decoder to store any format specific state or options. @@ -414,4 +433,3 @@ Python-based file decoder: 3. Cleanup: The decoder instance's ``cleanup`` method is called. - diff --git a/docs/index.rst b/docs/index.rst index 55ba13bb712..0e16259f309 100644 --- a/docs/index.rst +++ b/docs/index.rst @@ -3,32 +3,72 @@ Pillow Pillow is the friendly PIL fork by `Alex Clark and Contributors `_. PIL is the Python Imaging Library by Fredrik Lundh and Contributors. -.. image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg - :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow +Pillow for enterprise is available via the Tidelift Subscription. `Learn more `_. .. image:: https://readthedocs.org/projects/pillow/badge/?version=latest :target: https://pillow.readthedocs.io/?badge=latest :alt: Documentation Status -.. image:: https://travis-ci.org/python-pillow/Pillow.svg?branch=master - :target: https://travis-ci.org/python-pillow/Pillow - :alt: Travis CI build status (Linux) +.. image:: https://github.com/python-pillow/Pillow/workflows/Lint/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3ALint + :alt: GitHub Actions build status (Lint) + +.. image:: https://github.com/python-pillow/Pillow/workflows/Test%20Docker/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3A%22Test+Docker%22 + :alt: GitHub Actions build status (Test Docker) -.. image:: https://travis-ci.org/python-pillow/pillow-wheels.svg?branch=latest - :target: https://travis-ci.org/python-pillow/pillow-wheels - :alt: Travis CI build status (macOS) +.. image:: https://github.com/python-pillow/Pillow/workflows/Test/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3ATest + :alt: GitHub Actions build status (Test Linux and macOS) -.. image:: https://img.shields.io/appveyor/ci/python-pillow/Pillow/master.svg?label=Windows%20build +.. image:: https://github.com/python-pillow/Pillow/workflows/Test%20Windows/badge.svg + :target: https://github.com/python-pillow/Pillow/actions?query=workflow%3A%22Test+Windows%22 + :alt: GitHub Actions build status (Test Windows) + +.. image:: https://img.shields.io/appveyor/build/python-pillow/Pillow/main.svg?label=Windows%20build :target: https://ci.appveyor.com/project/python-pillow/Pillow :alt: AppVeyor CI build status (Windows) +.. image:: https://github.com/python-pillow/pillow-wheels/workflows/Wheels/badge.svg + :target: https://github.com/python-pillow/pillow-wheels/actions + :alt: GitHub Actions wheels build status (Wheels) + +.. image:: https://img.shields.io/travis/com/python-pillow/pillow-wheels/main.svg?label=aarch64%20wheels + :target: https://travis-ci.com/github/python-pillow/pillow-wheels + :alt: Travis CI wheels build status (aarch64) + +.. image:: https://codecov.io/gh/python-pillow/Pillow/branch/main/graph/badge.svg + :target: https://codecov.io/gh/python-pillow/Pillow + :alt: Code coverage + +.. image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg + :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow + :alt: Zenodo + +.. image:: https://tidelift.com/badges/package/pypi/Pillow?style=flat + :target: https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pypi-pillow&utm_medium=badge + :alt: Tidelift + +.. image:: https://github.com/python-pillow/Pillow/actions/workflows/tidelift.yml/badge.svg + :target: https://github.com/python-pillow/Pillow/actions/workflows/tidelift.yml + :alt: Tidelift Align + .. image:: https://img.shields.io/pypi/v/pillow.svg - :target: https://pypi.python.org/pypi/Pillow/ + :target: https://pypi.org/project/Pillow/ :alt: Latest PyPI version -.. image:: https://coveralls.io/repos/python-pillow/Pillow/badge.svg?branch=master - :target: https://coveralls.io/github/python-pillow/Pillow?branch=master - :alt: Code coverage +.. image:: https://img.shields.io/pypi/dm/pillow.svg + :target: https://pypi.org/project/Pillow/ + :alt: Number of PyPI downloads + +Overview +======== + +The Python Imaging Library adds image processing capabilities to your Python interpreter. + +This library provides extensive file format support, an efficient internal representation, and fairly powerful image processing capabilities. + +The core image library is designed for fast access to data stored in a few basic pixel formats. It should provide a solid foundation for a general image processing tool. .. toctree:: :maxdepth: 2 @@ -39,12 +79,7 @@ Pillow is the friendly PIL fork by `Alex Clark and Contributors - Support via Gratipay - + deprecations.rst Indices and tables ================== diff --git a/docs/installation.rst b/docs/installation.rst index 893ed3556d1..df21a7cdc68 100644 --- a/docs/installation.rst +++ b/docs/installation.rst @@ -6,20 +6,44 @@ Warnings .. warning:: Pillow and PIL cannot co-exist in the same environment. Before installing Pillow, please uninstall PIL. -.. warning:: Pillow >= 1.0 no longer supports "import Image". Please use "from PIL import Image" instead. - -.. warning:: Pillow >= 2.1.0 no longer supports "import _imaging". Please use "from PIL.Image import core as _imaging" instead. - -Notes ------ - -.. note:: Pillow < 2.0.0 supports Python versions 2.4, 2.5, 2.6, 2.7. - -.. note:: Pillow >= 2.0.0 < 4.0.0 supports Python versions 2.6, 2.7, 3.2, 3.3, 3.4, 3.5 - -.. note:: Pillow >= 4.0.0 < 5.0.0 supports Python versions 2.7, 3.3, 3.4, 3.5, 3.6 - -.. note:: Pillow >= 5.0.0 supports Python versions 2.7, 3.4, 3.5, 3.6 +.. warning:: Pillow >= 1.0 no longer supports ``import Image``. Please use ``from PIL import Image`` instead. + +.. warning:: Pillow >= 2.1.0 no longer supports ``import _imaging``. Please use ``from PIL.Image import core as _imaging`` instead. + +Python Support +-------------- + +Pillow supports these Python versions. + ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Python |3.10 | 3.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 2.7 | ++======================+=====+=====+=====+=====+=====+=====+=====+=====+ +| Pillow >= 9.0 | Yes | Yes | Yes | Yes | | | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 8.3.2 - 8.4 | Yes | Yes | Yes | Yes | Yes | | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 8.0 - 8.3.1 | | Yes | Yes | Yes | Yes | | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 7.0 - 7.2 | | | Yes | Yes | Yes | Yes | | | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 6.2.1 - 6.2.2 | | | Yes | Yes | Yes | Yes | | Yes | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 6.0 - 6.2.0 | | | | Yes | Yes | Yes | | Yes | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 5.2 - 5.4 | | | | Yes | Yes | Yes | Yes | Yes | ++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+ + ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Python | 3.6 | 3.5 | 3.4 | 3.3 | 3.2 | 2.7 | 2.6 | 2.5 | 2.4 | ++==================+=====+=====+=====+=====+=====+=====+=====+=====+=====+ +| Pillow 5.0 - 5.1 | Yes | Yes | Yes | | | Yes | | | | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 4 | Yes | Yes | Yes | Yes | | Yes | | | | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow 2 - 3 | | Yes | Yes | Yes | Yes | Yes | Yes | | | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ +| Pillow < 2 | | | | | | Yes | Yes | Yes | Yes | ++------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+ Basic Installation ------------------ @@ -32,18 +56,23 @@ Basic Installation Install Pillow with :command:`pip`:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow Windows Installation ^^^^^^^^^^^^^^^^^^^^ We provide Pillow binaries for Windows compiled for the matrix of -supported Pythons in both 32 and 64-bit versions in wheel, egg, and -executable installers. These binaries have all of the optional -libraries included except for raqm and libimagequant:: +supported Pythons in both 32 and 64-bit versions in the wheel format. +These binaries include support for all optional libraries except +libimagequant and libxcb. Raqm support requires +FriBiDi to be installed separately:: + + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow - > pip install Pillow +To install Pillow in MSYS2, see `Building on Windows using MSYS2/MinGW`_. macOS Installation @@ -51,10 +80,11 @@ macOS Installation We provide binaries for macOS for each of the supported Python versions in the wheel format. These include support for all optional -libraries except libimagequant. Raqm support requires libraqm, -fribidi, and harfbuzz to be installed separately:: +libraries except libimagequant. Raqm support requires +FriBiDi to be installed separately:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow Linux Installation ^^^^^^^^^^^^^^^^^^ @@ -62,13 +92,15 @@ Linux Installation We provide binaries for Linux for each of the supported Python versions in the manylinux wheel format. These include support for all optional libraries except libimagequant. Raqm support requires -libraqm, fribidi, and harfbuzz to be installed separately:: +FriBiDi to be installed separately:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow -Most major Linux distributions, including Fedora, Debian/Ubuntu and -ArchLinux also include Pillow in packages that previously contained -PIL e.g. ``python-imaging``. +Most major Linux distributions, including Fedora, Ubuntu and ArchLinux +also include Pillow in packages that previously contained PIL e.g. +``python-imaging``. Debian splits it into two packages, ``python3-pil`` +and ``python3-pil.imagetk``. FreeBSD Installation ^^^^^^^^^^^^^^^^^^^^ @@ -77,18 +109,17 @@ Pillow can be installed on FreeBSD via the official Ports or Packages systems: **Ports**:: - $ cd /usr/ports/graphics/py-pillow && make install clean + cd /usr/ports/graphics/py-pillow && make install clean **Packages**:: - $ pkg install py27-pillow + pkg install py38-pillow .. note:: The `Pillow FreeBSD port `_ and packages - are tested by the ports team with all supported FreeBSD versions - and against Python 2.x and 3.x. + are tested by the ports team with all supported FreeBSD versions. Building From Source @@ -96,7 +127,7 @@ Building From Source Download and extract the `compressed archive from PyPI`_. -.. _compressed archive from PyPI: https://pypi.python.org/pypi/Pillow +.. _compressed archive from PyPI: https://pypi.org/project/Pillow/ .. _external-libraries: @@ -111,17 +142,16 @@ External Libraries .. note:: - There are scripts to install the dependencies for some operating - systems included in the ``depends`` directory. Also see the - Dockerfiles in our `docker images repo - `_. + There are Dockerfiles in our `Docker images repo + `_ to install the + dependencies for some operating systems. Many of Pillow's features require external libraries: * **libjpeg** provides JPEG functionality. - * Pillow has been tested with libjpeg versions **6b**, **8**, **9**, **9a**, - and **9b** and libjpeg-turbo version **8**. + * Pillow has been tested with libjpeg versions **6b**, **8**, **9-9d** and + libjpeg-turbo version **8**. * Starting with Pillow 3.0.0, libjpeg is required by default, but may be disabled with the ``--disable-jpeg`` flag. @@ -132,14 +162,14 @@ Many of Pillow's features require external libraries: * **libtiff** provides compressed TIFF functionality - * Pillow has been tested with libtiff versions **3.x** and **4.0** + * Pillow has been tested with libtiff versions **3.x** and **4.0-4.3** * **libfreetype** provides type related services * **littlecms** provides color management * Pillow version 2.2.1 and below uses liblcms1, Pillow 2.3.0 and - above uses liblcms2. Tested with **1.19** and **2.7**. + above uses liblcms2. Tested with **1.19** and **2.7-2.12**. * **libwebp** provides the WebP format. @@ -151,18 +181,16 @@ Many of Pillow's features require external libraries: * **openjpeg** provides JPEG 2000 functionality. - * Pillow has been tested with openjpeg **2.0.0** and **2.1.0**. + * Pillow has been tested with openjpeg **2.0.0**, **2.1.0**, **2.3.1** and **2.4.0**. * Pillow does **not** support the earlier **1.5** series which ships - with Ubuntu <= 14.04 and Debian Jessie. + with Debian Jessie. * **libimagequant** provides improved color quantization - * Pillow has been tested with libimagequant **2.6-2.11** + * Pillow has been tested with libimagequant **2.6-2.17.0** * Libimagequant is licensed GPLv3, which is more restrictive than the Pillow license, therefore we will not be distributing binaries with libimagequant support enabled. - * Windows support: Libimagequant requires VS2013/MSVC 18 to compile, - so it is unlikely to work with any Python prior to 3.5 on Windows. * **libraqm** provides complex text layout support. @@ -170,17 +198,24 @@ Many of Pillow's features require external libraries: shaping (using HarfBuzz), and proper script itemization. As a result, Raqm can support most writing systems covered by Unicode. * libraqm depends on the following libraries: FreeType, HarfBuzz, - FriBiDi, make sure that you install them before install libraqm + FriBiDi, make sure that you install them before installing libraqm if not available as package in your system. - * setting text direction or font features is not supported without - libraqm. - * libraqm is dynamically loaded in Pillow 5.0.0 and above, so support - is available if all the libraries are installed. - * Windows support: Raqm support is currently unsupported on Windows. + * Setting text direction or font features is not supported without libraqm. + * Pillow wheels since version 8.2.0 include a modified version of libraqm that + loads libfribidi at runtime if it is installed. + On Windows this requires compiling FriBiDi and installing ``fribidi.dll`` + into a directory listed in the `Dynamic-Link Library Search Order (Microsoft Docs) + `_ + (``fribidi-0.dll`` or ``libfribidi-0.dll`` are also detected). + See `Build Options`_ to see how to build this version. + * Previous versions of Pillow (5.0.0 to 8.1.2) linked libraqm dynamically at runtime. + +* **libxcb** provides X11 screengrab support. Once you have installed the prerequisites, run:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow If the prerequisites are installed in the standard library locations for your machine (e.g. :file:`/usr` or :file:`/usr/local`), no @@ -190,7 +225,7 @@ those locations by editing :file:`setup.py` or :file:`setup.cfg`, or by adding environment variables on the command line:: - $ CFLAGS="-I/usr/pkg/include" pip install pillow + CFLAGS="-I/usr/pkg/include" python3 -m pip install --upgrade Pillow If Pillow has been previously built without the required prerequisites, it may be necessary to manually clear the pip cache or @@ -201,28 +236,33 @@ build with newly installed external libraries. Build Options ^^^^^^^^^^^^^ -* Environment variable: ``MAX_CONCURRENCY=n``. By default, Pillow will - use multiprocessing to build the extension on all available CPUs, - but not more than 4. Setting ``MAX_CONCURRENCY`` to 1 will disable - parallel building. +* Environment variable: ``MAX_CONCURRENCY=n``. Pillow can use + multiprocessing to build the extension. Setting ``MAX_CONCURRENCY`` + sets the number of CPUs to use, or can disable parallel building by + using a setting of 1. By default, it uses 4 CPUs, or if 4 are not + available, as many as are present. * Build flags: ``--disable-zlib``, ``--disable-jpeg``, - ``--disable-tiff``, ``--disable-freetype``, ``--disable-tcl``, - ``--disable-tk``, ``--disable-lcms``, ``--disable-webp``, - ``--disable-webpmux``, ``--disable-jpeg2000``, - ``--disable-imagequant``. + ``--disable-tiff``, ``--disable-freetype``, ``--disable-lcms``, + ``--disable-webp``, ``--disable-webpmux``, ``--disable-jpeg2000``, + ``--disable-imagequant``, ``--disable-xcb``. Disable building the corresponding feature even if the development libraries are present on the building machine. * Build flags: ``--enable-zlib``, ``--enable-jpeg``, - ``--enable-tiff``, ``--enable-freetype``, ``--enable-tcl``, - ``--enable-tk``, ``--enable-lcms``, ``--enable-webp``, - ``--enable-webpmux``, ``--enable-jpeg2000``, - ``--enable-imagequant``. + ``--enable-tiff``, ``--enable-freetype``, ``--enable-lcms``, + ``--enable-webp``, ``--enable-webpmux``, ``--enable-jpeg2000``, + ``--enable-imagequant``, ``--enable-xcb``. Require that the corresponding feature is built. The build will raise an exception if the libraries are not found. Webpmux (WebP metadata) relies on WebP support. Tcl and Tk also must be used together. +* Build flags: ``--vendor-raqm --vendor-fribidi`` + These flags are used to compile a modified version of libraqm and + a shim that dynamically loads libfribidi at runtime. These are + used to compile the standard Pillow wheels. Compiling libraqm requires + a C99-compliant compiler. + * Build flag: ``--disable-platform-guessing``. Skips all of the platform dependent guessing of include and library directories for automated build systems that configure the proper paths in the @@ -235,11 +275,7 @@ Build Options Sample usage:: - $ MAX_CONCURRENCY=1 python setup.py build_ext --enable-[feature] install - -or using pip:: - - $ pip install pillow --global-option="build_ext" --global-option="--enable-[feature]" + python3 -m pip install --upgrade Pillow --global-option="build_ext" --global-option="--enable-[feature]" Building on macOS @@ -255,45 +291,79 @@ tools. The easiest way to install external libraries is via `Homebrew `_. After you install Homebrew, run:: - $ brew install libtiff libjpeg webp little-cms2 + brew install libtiff libjpeg webp little-cms2 To install libraqm on macOS use Homebrew to install its dependencies:: - $ brew install freetype harfbuzz fribidi + brew install freetype harfbuzz fribidi Then see ``depends/install_raqm_cmake.sh`` to install libraqm. Now install Pillow with:: - $ pip install Pillow + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow or from within the uncompressed source directory:: - $ python setup.py install + python3 -m pip install . Building on Windows ^^^^^^^^^^^^^^^^^^^ -We don't recommend trying to build on Windows. It is a maze of twisty -passages, mostly dead ends. There are build scripts and notes for the -Windows build in the ``winbuild`` directory. +We recommend you use prebuilt wheels from PyPI. +If you wish to compile Pillow manually, you can use the build scripts +in the ``winbuild`` directory used for CI testing and development. +These scripts require Visual Studio 2017 or newer and NASM. + +Building on Windows using MSYS2/MinGW +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +To build Pillow using MSYS2, make sure you run the **MSYS2 MinGW 32-bit** or +**MSYS2 MinGW 64-bit** console, *not* **MSYS2** directly. + +The following instructions target the 64-bit build, for 32-bit +replace all occurrences of ``mingw-w64-x86_64-`` with ``mingw-w64-i686-``. + +Make sure you have Python and GCC installed:: + + pacman -S \ + mingw-w64-x86_64-gcc \ + mingw-w64-x86_64-python3 \ + mingw-w64-x86_64-python3-pip \ + mingw-w64-x86_64-python3-setuptools + +Prerequisites are installed on **MSYS2 MinGW 64-bit** with:: + + pacman -S \ + mingw-w64-x86_64-libjpeg-turbo \ + mingw-w64-x86_64-zlib \ + mingw-w64-x86_64-libtiff \ + mingw-w64-x86_64-freetype \ + mingw-w64-x86_64-lcms2 \ + mingw-w64-x86_64-libwebp \ + mingw-w64-x86_64-openjpeg2 \ + mingw-w64-x86_64-libimagequant \ + mingw-w64-x86_64-libraqm + +Now install Pillow with:: + + python3 -m pip install --upgrade pip + python3 -m pip install --upgrade Pillow + Building on FreeBSD ^^^^^^^^^^^^^^^^^^^ .. Note:: Only FreeBSD 10 and 11 tested -Make sure you have Python's development libraries installed.:: +Make sure you have Python's development libraries installed:: - $ sudo pkg install python2 - -Or for Python 3:: - - $ sudo pkg install python3 + sudo pkg install python3 Prerequisites are installed on **FreeBSD 10 or 11** with:: - $ sudo pkg install jpeg-turbo tiff webp lcms2 freetype2 openjpeg harfbuzz fribidi + sudo pkg install jpeg-turbo tiff webp lcms2 freetype2 openjpeg harfbuzz fribidi libxcb Then see ``depends/install_raqm_cmake.sh`` to install libraqm. @@ -306,39 +376,41 @@ development libraries installed. In Debian or Ubuntu:: - $ sudo apt-get install python-dev python-setuptools - -Or for Python 3:: - - $ sudo apt-get install python3-dev python3-setuptools + sudo apt-get install python3-dev python3-setuptools In Fedora, the command is:: - $ sudo dnf install python-devel redhat-rpm-config + sudo dnf install python3-devel redhat-rpm-config -Or for Python 3:: +In Alpine, the command is:: - $ sudo dnf install python3-devel redhat-rpm-config + sudo apk add python3-dev py3-setuptools .. Note:: ``redhat-rpm-config`` is required on Fedora 23, but not earlier versions. -Prerequisites are installed on **Ubuntu 14.04 LTS** with:: +Prerequisites for **Ubuntu 16.04 LTS - 20.04 LTS** are installed with:: - $ sudo apt-get install libtiff5-dev libjpeg8-dev zlib1g-dev \ - libfreetype6-dev liblcms2-dev libwebp-dev libharfbuzz-dev libfribidi-dev \ - tcl8.6-dev tk8.6-dev python-tk + sudo apt-get install libtiff5-dev libjpeg8-dev libopenjp2-7-dev zlib1g-dev \ + libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev python3-tk \ + libharfbuzz-dev libfribidi-dev libxcb1-dev Then see ``depends/install_raqm.sh`` to install libraqm. -Prerequisites are installed on recent **RedHat** **Centos** or **Fedora** with:: +Prerequisites are installed on recent **Red Hat**, **CentOS** or **Fedora** with:: - $ sudo dnf install libtiff-devel libjpeg-devel zlib-devel freetype-devel \ - lcms2-devel libwebp-devel tcl-devel tk-devel libraqm-devel \ - libimagequant-devel + sudo dnf install libtiff-devel libjpeg-devel openjpeg2-devel zlib-devel \ + freetype-devel lcms2-devel libwebp-devel tcl-devel tk-devel \ + harfbuzz-devel fribidi-devel libraqm-devel libimagequant-devel libxcb-devel -Note that the package manager may be yum or dnf, depending on the +Note that the package manager may be yum or DNF, depending on the exact distribution. +Prerequisites are installed for **Alpine** with:: + + sudo apk add tiff-dev jpeg-dev openjpeg-dev zlib-dev freetype-dev lcms2-dev \ + libwebp-dev tcl-dev tk-dev harfbuzz-dev fribidi-dev libimagequant-dev \ + libxcb-dev libpng-dev + See also the ``Dockerfile``\s in the Test Infrastructure repo (https://github.com/python-pillow/docker-images) for a known working install process for other tested distros. @@ -349,8 +421,8 @@ Building on Android Basic Android support has been added for compilation within the Termux environment. The dependencies can be installed by:: - $ pkg -y install python python-dev ndk-sysroot clang make \ - libjpeg-turbo-dev + pkg install -y python ndk-sysroot clang make \ + libjpeg-turbo This has been tested within the Termux app on ChromeOS, on x86. @@ -369,40 +441,43 @@ Continuous Integration Targets These platforms are built and tested for every change. -+----------------------------------+-------------------------------+-----------------------+ -|**Operating system** |**Tested Python versions** |**Tested Architecture**| -+----------------------------------+-------------------------------+-----------------------+ -| Alpine | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Arch | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Amazon | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Centos 6 | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Centos 7 | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Debian Stretch | 2.7 |x86 | -+----------------------------------+-------------------------------+-----------------------+ -| Fedora 25 | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Fedora 26 | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Mac OS X 10.10 Yosemite* | 2.7, 3.4, 3.5, 3.6 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Ubuntu Linux 16.04 LTS | 2.7 |x86-64 | -+----------------------------------+-------------------------------+-----------------------+ -| Ubuntu Linux 14.04 LTS | 2.7, 3.4, 3.5, 3.6, |x86-64 | -| | pypy, pypy3 | | -| | | | -| | 2.7 |x86 | -+----------------------------------+-------------------------------+-----------------------+ -| Windows Server 2012 R2 | 2.7, 3.4 |x86, x86-64 | -| | | | -| | pypy, 3.5/mingw |x86 | -+----------------------------------+-------------------------------+-----------------------+ - -\* Mac OS X CI is not run for every commit, but is run for every release. ++----------------------------------+----------------------------+---------------------+ +| Operating system | Tested Python versions | Tested architecture | ++==================================+============================+=====================+ +| Alpine | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Amazon Linux 2 | 3.7 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Arch | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| CentOS 7 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| CentOS 8 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| CentOS Stream 8 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Debian 10 Buster | 3.7 | x86 | ++----------------------------------+----------------------------+---------------------+ +| Fedora 34 | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Fedora 35 | 3.10 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| macOS 10.15 Catalina | 3.7, 3.8, 3.9, 3.10, PyPy3 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Ubuntu Linux 18.04 LTS (Bionic) | 3.9 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Ubuntu Linux 20.04 LTS (Focal) | 3.7, 3.8, 3.9, 3.10, PyPy3 | x86-64 | +| +----------------------------+---------------------+ +| | 3.8 | arm64v8, ppc64le, | +| | | s390x | ++----------------------------------+----------------------------+---------------------+ +| Windows Server 2016 | 3.7 | x86-64 | ++----------------------------------+----------------------------+---------------------+ +| Windows Server 2019 | 3.7, 3.8, 3.9, 3.10, PyPy3 | x86, x86-64 | +| +----------------------------+---------------------+ +| | 3.9/MinGW | x86, x86-64 | ++----------------------------------+----------------------------+---------------------+ + Other Platforms ^^^^^^^^^^^^^^^ @@ -414,60 +489,83 @@ These platforms have been reported to work at the versions mentioned. Contributors please test Pillow on your platform then update this document and send a pull request. -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -|**Operating system** |**Tested Python versions** |**Latest tested Pillow version**|**Tested processors** | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| macOS 10.13 High Sierra | 2.7, 3.4, 3.5, 3.6 | 4.2.1 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| macOS 10.12 Sierra | 2.7, 3.4, 3.5, 3.6 | 4.1.1 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.11 El Capitan | 2.7, 3.3, 3.4, 3.5 | 4.1.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.9 Mavericks | 2.7, 3.2, 3.3, 3.4 | 3.0.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Mac OS X 10.8 Mountain Lion | 2.6, 2.7, 3.2, 3.3 | |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Redhat Linux 6 | 2.6 | |x86 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| CentOS 6.3 | 2.7, 3.3 | |x86 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Fedora 23 | 2.7, 3.4 | 3.1.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Ubuntu Linux 12.04 LTS | 2.6, 3.2, 3.3, 3.4, 3.5 | 3.4.1 |x86,x86-64 | -| | PyPy5.3.1, PyPy3 v2.4.0 | | | -| | | | | -| | 2.7 | 4.3.0 |x86-64 | -| | | | | -| | 2.7, 3.2 | 3.4.1 |ppc | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Ubuntu Linux 10.04 LTS | 2.6 | 2.3.0 |x86,x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Debian 8.2 Jessie | 2.7, 3.4 | 3.1.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Raspian Jessie | 2.7, 3.4 | 3.1.0 |arm | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Gentoo Linux | 2.7, 3.2 | 2.1.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| FreeBSD 11.1 | 2.7, 3.4, 3.5, 3.6 | 4.3.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| FreeBSD 10.3 | 2.7, 3.4, 3.5 | 4.2.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| FreeBSD 10.2 | 2.7, 3.4 | 3.1.0 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Windows 8.1 Pro | 2.6, 2.7, 3.2, 3.3, 3.4 | 2.4.0 |x86,x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Windows 8 Pro | 2.6, 2.7, 3.2, 3.3, 3.4a3 | 2.2.0 |x86,x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Windows 7 Pro | 2.7, 3.2, 3.3 | 3.4.1 |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ -| Windows Server 2008 R2 Enterprise| 3.3 | |x86-64 | -+----------------------------------+------------------------------+--------------------------------+-----------------------+ ++----------------------------------+---------------------------+------------------+--------------+ +| Operating system | | Tested Python | | Latest tested | | Tested | +| | | versions | | Pillow version | | processors | ++==================================+===========================+==================+==============+ +| macOS 11.0 Big Sur | 3.7, 3.8, 3.9, 3.10 | 8.4.0 |arm | +| +---------------------------+------------------+--------------+ +| | 3.6, 3.7, 3.8, 3.9, 3.10 | 8.4.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.15 Catalina | 3.6, 3.7, 3.8, 3.9 | 8.3.2 |x86-64 | +| +---------------------------+------------------+ | +| | 3.5 | 7.2.0 | | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.14 Mojave | 3.5, 3.6, 3.7, 3.8 | 7.2.0 |x86-64 | +| +---------------------------+------------------+ | +| | 2.7 | 6.0.0 | | +| +---------------------------+------------------+ | +| | 3.4 | 5.4.1 | | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.13 High Sierra | 2.7, 3.4, 3.5, 3.6 | 4.2.1 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| macOS 10.12 Sierra | 2.7, 3.4, 3.5, 3.6 | 4.1.1 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Mac OS X 10.11 El Capitan | 2.7, 3.4, 3.5, 3.6, 3.7 | 5.4.1 |x86-64 | +| +---------------------------+------------------+ | +| | 3.3 | 4.1.0 | | ++----------------------------------+---------------------------+------------------+--------------+ +| Mac OS X 10.9 Mavericks | 2.7, 3.2, 3.3, 3.4 | 3.0.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Mac OS X 10.8 Mountain Lion | 2.6, 2.7, 3.2, 3.3 | |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Redhat Linux 6 | 2.6 | |x86 | ++----------------------------------+---------------------------+------------------+--------------+ +| CentOS 6.3 | 2.7, 3.3 | |x86 | ++----------------------------------+---------------------------+------------------+--------------+ +| Fedora 23 | 2.7, 3.4 | 3.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Ubuntu Linux 12.04 LTS (Precise) | | 2.6, 3.2, 3.3, 3.4, 3.5 | 3.4.1 |x86,x86-64 | +| | | PyPy5.3.1, PyPy3 v2.4.0 | | | +| +---------------------------+------------------+--------------+ +| | 2.7 | 4.3.0 |x86-64 | +| +---------------------------+------------------+--------------+ +| | 2.7, 3.2 | 3.4.1 |ppc | ++----------------------------------+---------------------------+------------------+--------------+ +| Ubuntu Linux 10.04 LTS (Lucid) | 2.6 | 2.3.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Debian 8.2 Jessie | 2.7, 3.4 | 3.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Raspbian Jessie | 2.7, 3.4 | 3.1.0 |arm | ++----------------------------------+---------------------------+------------------+--------------+ +| Raspbian Stretch | 2.7, 3.5 | 4.0.0 |arm | ++----------------------------------+---------------------------+------------------+--------------+ +| Raspberry Pi OS | 3.6, 3.7, 3.8, 3.9 | 8.2.0 |arm | +| +---------------------------+------------------+ | +| | 2.7 | 6.2.2 | | ++----------------------------------+---------------------------+------------------+--------------+ +| Gentoo Linux | 2.7, 3.2 | 2.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| FreeBSD 11.1 | 2.7, 3.4, 3.5, 3.6 | 4.3.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| FreeBSD 10.3 | 2.7, 3.4, 3.5 | 4.2.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| FreeBSD 10.2 | 2.7, 3.4 | 3.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 10 | 3.7 | 7.1.0 |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 8.1 Pro | 2.6, 2.7, 3.2, 3.3, 3.4 | 2.4.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 8 Pro | 2.6, 2.7, 3.2, 3.3, 3.4a3 | 2.2.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows 7 Professional | 3.7 | 7.0.0 |x86,x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ +| Windows Server 2008 R2 Enterprise| 3.3 | |x86-64 | ++----------------------------------+---------------------------+------------------+--------------+ Old Versions ------------ -You can download old distributions from `PyPI -`_. Only the latest major -releases for Python 2.x and 3.x are visible, but all releases are -available by direct URL access -e.g. https://pypi.python.org/pypi/Pillow/1.0. +You can download old distributions from the `release history at PyPI +`_ and by direct URL access +eg. https://pypi.org/project/Pillow/1.0/. diff --git a/docs/porting.rst b/docs/porting.rst index 50b713fac3f..2943d72fd69 100644 --- a/docs/porting.rst +++ b/docs/porting.rst @@ -3,9 +3,14 @@ Porting **Porting existing PIL-based code to Pillow** -Pillow is a functional drop-in replacement for the Python Imaging Library. To -run your existing PIL-compatible code with Pillow, it needs to be modified to -import the ``Image`` module from the ``PIL`` namespace *instead* of the +Pillow is a functional drop-in replacement for the Python Imaging Library. + +PIL is Python 2 only. Pillow dropped support for Python 2 in Pillow +7.0. So if you would like to run the latest version of Pillow, you will first +and foremost need to port your code from Python 2 to 3. + +To run your existing PIL-compatible code with Pillow, it needs to be modified +to import the ``Image`` module from the ``PIL`` namespace *instead* of the global namespace. Change this:: import Image @@ -14,7 +19,8 @@ to this:: from PIL import Image -The :py:mod:`_imaging` module has been moved. You can now import it like this:: +The :py:mod:`PIL._imaging` module has been moved to :py:mod:`PIL.Image.core`. +You can now import it like this:: from PIL.Image import core as _imaging diff --git a/docs/reference/ExifTags.rst b/docs/reference/ExifTags.rst index 9fc7cd13ba3..4567d4d3e79 100644 --- a/docs/reference/ExifTags.rst +++ b/docs/reference/ExifTags.rst @@ -1,13 +1,14 @@ .. py:module:: PIL.ExifTags .. py:currentmodule:: PIL.ExifTags -:py:mod:`ExifTags` Module -========================== +:py:mod:`~PIL.ExifTags` Module +============================== -The :py:mod:`ExifTags` module exposes two dictionaries which +The :py:mod:`~PIL.ExifTags` module exposes two dictionaries which provide constants and clear-text names for various well-known EXIF tags. -.. py:class:: PIL.ExifTags.TAGS +.. py:data:: TAGS + :type: dict The TAG dictionary maps 16-bit integer EXIF tag enumerations to descriptive string names. For instance: @@ -16,7 +17,8 @@ provide constants and clear-text names for various well-known EXIF tags. >>> TAGS[0x010e] 'ImageDescription' -.. py:class:: PIL.ExifTags.GPSTAGS +.. py:data:: GPSTAGS + :type: dict The GPSTAGS dictionary maps 8-bit integer EXIF gps enumerations to descriptive string names. For instance: diff --git a/docs/reference/Image.rst b/docs/reference/Image.rst index 915f61c0467..c80b28a984b 100644 --- a/docs/reference/Image.rst +++ b/docs/reference/Image.rst @@ -1,8 +1,8 @@ .. py:module:: PIL.Image .. py:currentmodule:: PIL.Image -:py:mod:`Image` Module -====================== +:py:mod:`~PIL.Image` Module +=========================== The :py:mod:`~PIL.Image` module provides a class with the same name which is used to represent a PIL image. The module also provides a number of factory @@ -12,25 +12,25 @@ images. Examples -------- -The following script loads an image, rotates it 45 degrees, and displays it -using an external viewer (usually xv on Unix, and the paint program on -Windows). - Open, rotate, and display an image (using the default viewer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +The following script loads an image, rotates it 45 degrees, and displays it +using an external viewer (usually xv on Unix, and the Paint program on +Windows). + .. code-block:: python from PIL import Image - im = Image.open("bride.jpg") - im.rotate(45).show() - -The following script creates nice thumbnails of all JPEG images in the -current directory preserving aspect ratios with 128x128 max resolution. + with Image.open("hopper.jpg") as im: + im.rotate(45).show() Create thumbnails ^^^^^^^^^^^^^^^^^ +The following script creates nice thumbnails of all JPEG images in the +current directory preserving aspect ratios with 128x128 max resolution. + .. code-block:: python from PIL import Image @@ -40,9 +40,9 @@ Create thumbnails for infile in glob.glob("*.jpg"): file, ext = os.path.splitext(infile) - im = Image.open(infile) - im.thumbnail(size) - im.save(file + ".thumbnail", "JPEG") + with Image.open(infile) as im: + im.thumbnail(size) + im.save(file + ".thumbnail", "JPEG") Functions --------- @@ -52,14 +52,22 @@ Functions .. warning:: To protect against potential DOS attacks caused by "`decompression bombs`_" (i.e. malicious files which decompress into a huge amount of data and are designed to crash or cause disruption by using up - a lot of memory), Pillow will issue a `DecompressionBombWarning` if the image is over a certain - limit. If desired, the warning can be turned into an error with + a lot of memory), Pillow will issue a ``DecompressionBombWarning`` if the number of pixels in an + image is over a certain limit, :py:data:`PIL.Image.MAX_IMAGE_PIXELS`. + + This threshold can be changed by setting :py:data:`PIL.Image.MAX_IMAGE_PIXELS`. It can be disabled + by setting ``Image.MAX_IMAGE_PIXELS = None``. + + If desired, the warning can be turned into an error with ``warnings.simplefilter('error', Image.DecompressionBombWarning)`` or suppressed entirely with - ``warnings.simplefilter('ignore', Image.DecompressionBombWarning)``. See also `the logging - documentation`_ to have warnings output to the logging facility instead of stderr. + ``warnings.simplefilter('ignore', Image.DecompressionBombWarning)``. See also + `the logging documentation`_ to have warnings output to the logging facility instead of stderr. + + If the number of pixels is greater than twice :py:data:`PIL.Image.MAX_IMAGE_PIXELS`, then a + ``DecompressionBombError`` will be raised instead. - .. _decompression bombs: https://en.wikipedia.org/wiki/Zip_bomb - .. _the logging documentation: https://docs.python.org/2/library/logging.html?highlight=logging#integration-with-the-warnings-module + .. _decompression bombs: https://en.wikipedia.org/wiki/Zip_bomb + .. _the logging documentation: https://docs.python.org/3/library/logging.html#integration-with-the-warnings-module Image processing ^^^^^^^^^^^^^^^^ @@ -76,9 +84,16 @@ Constructing images .. autofunction:: new .. autofunction:: fromarray .. autofunction:: frombytes -.. autofunction:: fromstring .. autofunction:: frombuffer +Generating images +^^^^^^^^^^^^^^^^^ + +.. autofunction:: effect_mandelbrot +.. autofunction:: effect_noise +.. autofunction:: linear_gradient +.. autofunction:: radial_gradient + Registering plugins ^^^^^^^^^^^^^^^^^^^ @@ -88,12 +103,14 @@ Registering plugins ignore them. .. autofunction:: register_open -.. autofunction:: register_decoder .. autofunction:: register_mime .. autofunction:: register_save -.. autofunction:: register_encoder +.. autofunction:: register_save_all .. autofunction:: register_extension - +.. autofunction:: register_extensions +.. autofunction:: registered_extensions +.. autofunction:: register_decoder +.. autofunction:: register_encoder The Image Class --------------- @@ -116,22 +133,78 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space: rgb2xyz = ( 0.412453, 0.357580, 0.180423, 0, 0.212671, 0.715160, 0.072169, 0, - 0.019334, 0.119193, 0.950227, 0 ) + 0.019334, 0.119193, 0.950227, 0) out = im.convert("RGB", rgb2xyz) .. automethod:: PIL.Image.Image.copy .. automethod:: PIL.Image.Image.crop + +This crops the input image with the provided coordinates: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # The crop method from the Image module takes four coordinates as input. + # The right can also be represented as (left+width) + # and lower can be represented as (upper+height). + (left, upper, right, lower) = (20, 20, 100, 100) + + # Here the image "im" is cropped and assigned to new variable im_crop + im_crop = im.crop((left, upper, right, lower)) + + .. automethod:: PIL.Image.Image.draft +.. automethod:: PIL.Image.Image.effect_spread +.. automethod:: PIL.Image.Image.entropy .. automethod:: PIL.Image.Image.filter + +This blurs the input image using a filter from the ``ImageFilter`` module: + +.. code-block:: python + + from PIL import Image, ImageFilter + + with Image.open("hopper.jpg") as im: + + # Blur the input image using the filter ImageFilter.BLUR + im_blurred = im.filter(filter=ImageFilter.BLUR) + +.. automethod:: PIL.Image.Image.frombytes .. automethod:: PIL.Image.Image.getbands + +This helps to get the bands of the input image: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + print(im.getbands()) # Returns ('R', 'G', 'B') + .. automethod:: PIL.Image.Image.getbbox + +This helps to get the bounding box coordinates of the input image: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + print(im.getbbox()) + # Returns four coordinates in the format (left, upper, right, lower) + +.. automethod:: PIL.Image.Image.getchannel .. automethod:: PIL.Image.Image.getcolors .. automethod:: PIL.Image.Image.getdata +.. automethod:: PIL.Image.Image.getexif .. automethod:: PIL.Image.Image.getextrema .. automethod:: PIL.Image.Image.getpalette .. automethod:: PIL.Image.Image.getpixel +.. automethod:: PIL.Image.Image.getprojection .. automethod:: PIL.Image.Image.histogram -.. automethod:: PIL.Image.Image.offset .. automethod:: PIL.Image.Image.paste .. automethod:: PIL.Image.Image.point .. automethod:: PIL.Image.Image.putalpha @@ -139,84 +212,117 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space: .. automethod:: PIL.Image.Image.putpalette .. automethod:: PIL.Image.Image.putpixel .. automethod:: PIL.Image.Image.quantize -.. automethod:: PIL.Image.Image.resize +.. automethod:: PIL.Image.Image.reduce .. automethod:: PIL.Image.Image.remap_palette +.. automethod:: PIL.Image.Image.resize + +This resizes the given image from ``(width, height)`` to ``(width/2, height/2)``: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # Provide the target width and height of the image + (width, height) = (im.width // 2, im.height // 2) + im_resized = im.resize((width, height)) + .. automethod:: PIL.Image.Image.rotate + +This rotates the input image by ``theta`` degrees counter clockwise: + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # Rotate the image by 60 degrees counter clockwise + theta = 60 + # Angle is in degrees counter clockwise + im_rotated = im.rotate(angle=theta) + .. automethod:: PIL.Image.Image.save .. automethod:: PIL.Image.Image.seek .. automethod:: PIL.Image.Image.show .. automethod:: PIL.Image.Image.split -.. automethod:: PIL.Image.Image.getchannel .. automethod:: PIL.Image.Image.tell .. automethod:: PIL.Image.Image.thumbnail .. automethod:: PIL.Image.Image.tobitmap .. automethod:: PIL.Image.Image.tobytes -.. automethod:: PIL.Image.Image.tostring .. automethod:: PIL.Image.Image.transform .. automethod:: PIL.Image.Image.transpose -.. automethod:: PIL.Image.Image.verify -.. automethod:: PIL.Image.Image.fromstring +This flips the input image by using the :data:`FLIP_LEFT_RIGHT` method. + +.. code-block:: python + + from PIL import Image + + with Image.open("hopper.jpg") as im: + + # Flip the image from left to right + im_flipped = im.transpose(method=Image.FLIP_LEFT_RIGHT) + # To flip the image from top to bottom, + # use the method "Image.FLIP_TOP_BOTTOM" + + +.. automethod:: PIL.Image.Image.verify .. automethod:: PIL.Image.Image.load .. automethod:: PIL.Image.Image.close -Attributes ----------- +Image Attributes +---------------- Instances of the :py:class:`Image` class have the following attributes: -.. py:attribute:: filename +.. py:attribute:: Image.filename + :type: str - The filename or path of the source file. Only images created with the - factory function `open` have a filename attribute. If the input is a + The filename or path of the source file. Only images created with the + factory function ``open`` have a filename attribute. If the input is a file like object, the filename attribute is set to an empty string. - - :type: :py:class: `string` -.. py:attribute:: format +.. py:attribute:: Image.format + :type: Optional[str] The file format of the source file. For images created by the library itself (via a factory function, or by running a method on an existing - image), this attribute is set to ``None``. + image), this attribute is set to :data:`None`. - :type: :py:class:`string` or ``None`` - -.. py:attribute:: mode +.. py:attribute:: Image.mode + :type: str Image mode. This is a string specifying the pixel format used by the image. Typical values are “1”, “L”, “RGB”, or “CMYK.” See :ref:`concept-modes` for a full list. - :type: :py:class:`string` - -.. py:attribute:: size +.. py:attribute:: Image.size + :type: tuple[int] Image size, in pixels. The size is given as a 2-tuple (width, height). - :type: ``(width, height)`` - -.. py:attribute:: width +.. py:attribute:: Image.width + :type: int Image width, in pixels. - :type: :py:class:`int` - -.. py:attribute:: height +.. py:attribute:: Image.height + :type: int Image height, in pixels. - :type: :py:class:`int` - -.. py:attribute:: palette +.. py:attribute:: Image.palette + :type: Optional[PIL.ImagePalette.ImagePalette] - Colour palette table, if any. If mode is “P”, this should be an instance of - the :py:class:`~PIL.ImagePalette.ImagePalette` class. Otherwise, it should - be set to ``None``. + Colour palette table, if any. If mode is "P" or "PA", this should be an + instance of the :py:class:`~PIL.ImagePalette.ImagePalette` class. + Otherwise, it should be set to :data:`None`. - :type: :py:class:`~PIL.ImagePalette.ImagePalette` or ``None`` - -.. py:attribute:: info +.. py:attribute:: Image.info + :type: dict A dictionary holding data associated with the image. This dictionary is used by file handlers to pass on various non-image information read from @@ -229,4 +335,171 @@ Instances of the :py:class:`Image` class have the following attributes: Unless noted elsewhere, this dictionary does not affect saving files. - :type: :py:class:`dict` +.. py:attribute:: Image.is_animated + :type: bool + + ``True`` if this image has more than one frame, or ``False`` otherwise. + + This attribute is only defined by image plugins that support animated images. + Plugins may leave this attribute undefined if they don't support loading + animated images, even if the given format supports animated images. + + Given that this attribute is not present for all images use + ``getattr(image, "is_animated", False)`` to check if Pillow is aware of multiple + frames in an image regardless of its format. + + .. seealso:: :attr:`~Image.n_frames`, :func:`~Image.seek` and :func:`~Image.tell` + +.. py:attribute:: Image.n_frames + :type: int + + The number of frames in this image. + + This attribute is only defined by image plugins that support animated images. + Plugins may leave this attribute undefined if they don't support loading + animated images, even if the given format supports animated images. + + Given that this attribute is not present for all images use + ``getattr(image, "n_frames", 1)`` to check the number of frames that Pillow is + aware of in an image regardless of its format. + + .. seealso:: :attr:`~Image.is_animated`, :func:`~Image.seek` and :func:`~Image.tell` + +Classes +------- + +.. autoclass:: PIL.Image.Exif + :members: + :undoc-members: + :show-inheritance: +.. autoclass:: PIL.Image.ImagePointHandler +.. autoclass:: PIL.Image.ImageTransformHandler + +Constants +--------- + +.. data:: NONE +.. data:: MAX_IMAGE_PIXELS + + Set to 89,478,485, approximately 0.25GB for a 24-bit (3 bpp) image. + See :py:meth:`~PIL.Image.open` for more information about how this is used. + +Transpose methods +^^^^^^^^^^^^^^^^^ + +Used to specify the :meth:`Image.transpose` method to use. + +.. data:: FLIP_LEFT_RIGHT +.. data:: FLIP_TOP_BOTTOM +.. data:: ROTATE_90 +.. data:: ROTATE_180 +.. data:: ROTATE_270 +.. data:: TRANSPOSE +.. data:: TRANSVERSE + +Transform methods +^^^^^^^^^^^^^^^^^ + +Used to specify the :meth:`Image.transform` method to use. + +.. data:: AFFINE + + Affine transform + +.. data:: EXTENT + + Cut out a rectangular subregion + +.. data:: PERSPECTIVE + + Perspective transform + +.. data:: QUAD + + Map a quadrilateral to a rectangle + +.. data:: MESH + + Map a number of source quadrilaterals in one operation + +Resampling filters +^^^^^^^^^^^^^^^^^^ + +See :ref:`concept-filters` for details. + +.. data:: NEAREST + :noindex: +.. data:: BOX + :noindex: +.. data:: BILINEAR + :noindex: +.. data:: HAMMING + :noindex: +.. data:: BICUBIC + :noindex: +.. data:: LANCZOS + :noindex: + +Some filters are also available under the following names for backwards compatibility: + +.. data:: NONE + :noindex: + :value: NEAREST +.. data:: LINEAR + :value: BILINEAR +.. data:: CUBIC + :value: BICUBIC +.. data:: ANTIALIAS + :value: LANCZOS + +Dither modes +^^^^^^^^^^^^ + +Used to specify the dithering method to use for the +:meth:`~Image.convert` and :meth:`~Image.quantize` methods. + +.. data:: NONE + :noindex: + + No dither + +.. comment: (not implemented) + .. data:: ORDERED + .. data:: RASTERIZE + +.. data:: FLOYDSTEINBERG + + Floyd-Steinberg dither + +Palettes +^^^^^^^^ + +Used to specify the pallete to use for the :meth:`~Image.convert` method. + +.. data:: WEB +.. data:: ADAPTIVE + +Quantization methods +^^^^^^^^^^^^^^^^^^^^ + +Used to specify the quantization method to use for the :meth:`~Image.quantize` method. + +.. data:: MEDIANCUT + + Median cut. Default method, except for RGBA images. This method does not support + RGBA images. + +.. data:: MAXCOVERAGE + + Maximum coverage. This method does not support RGBA images. + +.. data:: FASTOCTREE + + Fast octree. Default method for RGBA images. + +.. data:: LIBIMAGEQUANT + + libimagequant + + Check support using :py:func:`PIL.features.check_feature` + with ``feature="libimagequant"``. diff --git a/docs/reference/ImageChops.rst b/docs/reference/ImageChops.rst index 2e4e21f1987..9519361a7e6 100644 --- a/docs/reference/ImageChops.rst +++ b/docs/reference/ImageChops.rst @@ -1,15 +1,15 @@ .. py:module:: PIL.ImageChops .. py:currentmodule:: PIL.ImageChops -:py:mod:`ImageChops` ("Channel Operations") Module -================================================== +:py:mod:`~PIL.ImageChops` ("Channel Operations") Module +======================================================= -The :py:mod:`ImageChops` module contains a number of arithmetical image +The :py:mod:`~PIL.ImageChops` module contains a number of arithmetical image operations, called channel operations (“chops”). These can be used for various purposes, including special effects, image compositions, algorithmic painting, and more. -For more pre-made operations, see :py:mod:`ImageOps`. +For more pre-made operations, see :py:mod:`~PIL.ImageOps`. At this time, most channel operations are only implemented for 8-bit images (e.g. “L” and “RGB”). @@ -34,13 +34,12 @@ operations in this module). .. autofunction:: PIL.ImageChops.lighter .. autofunction:: PIL.ImageChops.logical_and .. autofunction:: PIL.ImageChops.logical_or +.. autofunction:: PIL.ImageChops.logical_xor .. autofunction:: PIL.ImageChops.multiply -.. py:method:: PIL.ImageChops.offset(image, xoffset, yoffset=None) - - Returns a copy of the image where data has been offset by the given - distances. Data wraps around the edges. If **yoffset** is omitted, it - is assumed to be equal to **xoffset**. - +.. autofunction:: PIL.ImageChops.soft_light +.. autofunction:: PIL.ImageChops.hard_light +.. autofunction:: PIL.ImageChops.overlay +.. autofunction:: PIL.ImageChops.offset .. autofunction:: PIL.ImageChops.screen .. autofunction:: PIL.ImageChops.subtract .. autofunction:: PIL.ImageChops.subtract_modulo diff --git a/docs/reference/ImageCms.rst b/docs/reference/ImageCms.rst index 35f4acee64c..f938e63a0bc 100644 --- a/docs/reference/ImageCms.rst +++ b/docs/reference/ImageCms.rst @@ -1,16 +1,37 @@ .. py:module:: PIL.ImageCms .. py:currentmodule:: PIL.ImageCms -:py:mod:`ImageCms` Module -========================= +:py:mod:`~PIL.ImageCms` Module +============================== -The :py:mod:`ImageCms` module provides color profile management +The :py:mod:`~PIL.ImageCms` module provides color profile management support using the LittleCMS2 color management engine, based on Kevin Cazabon's PyCMS library. -.. automodule:: PIL.ImageCms - :members: - :noindex: +.. autoclass:: ImageCmsTransform +.. autoexception:: PyCMSError + +Functions +--------- + +.. autofunction:: applyTransform +.. autofunction:: buildProofTransform +.. autofunction:: buildProofTransformFromOpenProfiles +.. autofunction:: buildTransform +.. autofunction:: buildTransformFromOpenProfiles +.. autofunction:: createProfile +.. autofunction:: getDefaultIntent +.. autofunction:: getOpenProfile +.. autofunction:: getProfileCopyright +.. autofunction:: getProfileDescription +.. autofunction:: getProfileInfo +.. autofunction:: getProfileManufacturer +.. autofunction:: getProfileModel +.. autofunction:: getProfileName +.. autofunction:: get_display_profile +.. autofunction:: isIntentSupported +.. autofunction:: profileToProfile +.. autofunction:: versions CmsProfile ---------- @@ -25,87 +46,73 @@ can be easily displayed in a chromaticity diagram, for example). .. py:class:: CmsProfile .. py:attribute:: creation_date + :type: Optional[datetime.datetime] Date and time this profile was first created (see 7.2.1 of ICC.1:2010). - :type: :py:class:`datetime.datetime` or ``None`` - .. py:attribute:: version + :type: float The version number of the ICC standard that this profile follows - (e.g. `2.0`). - - :type: :py:class:`float` + (e.g. ``2.0``). .. py:attribute:: icc_version + :type: int - Same as `version`, but in encoded format (see 7.2.4 of ICC.1:2010). + Same as ``version``, but in encoded format (see 7.2.4 of ICC.1:2010). .. py:attribute:: device_class + :type: str 4-character string identifying the profile class. One of ``scnr``, ``mntr``, ``prtr``, ``link``, ``spac``, ``abst``, ``nmcl`` (see 7.2.5 of ICC.1:2010 for details). - :type: :py:class:`string` - .. py:attribute:: xcolor_space + :type: str 4-character string (padded with whitespace) identifying the color space, e.g. ``XYZ␣``, ``RGB␣`` or ``CMYK`` (see 7.2.6 of ICC.1:2010 for details). - Note that the deprecated attribute ``color_space`` contains an - interpreted (non-padded) variant of this (but can be empty on - unknown input). - - :type: :py:class:`string` - .. py:attribute:: connection_space + :type: str 4-character string (padded with whitespace) identifying the color space on the B-side of the transform (see 7.2.7 of ICC.1:2010 for details). - Note that the deprecated attribute ``pcs`` contains an interpreted - (non-padded) variant of this (but can be empty on unknown input). - - :type: :py:class:`string` - .. py:attribute:: header_flags + :type: int The encoded header flags of the profile (see 7.2.11 of ICC.1:2010 for details). - :type: :py:class:`int` - .. py:attribute:: header_manufacturer + :type: str 4-character string (padded with whitespace) identifying the device manufacturer, which shall match the signature contained in the appropriate section of the ICC signature registry found at www.color.org (see 7.2.12 of ICC.1:2010). - :type: :py:class:`string` - .. py:attribute:: header_model + :type: str 4-character string (padded with whitespace) identifying the device model, which shall match the signature contained in the appropriate section of the ICC signature registry found at www.color.org (see 7.2.13 of ICC.1:2010). - :type: :py:class:`string` - .. py:attribute:: attributes + :type: int Flags used to identify attributes unique to the particular device setup for which the profile is applicable (see 7.2.14 of ICC.1:2010 for details). - :type: :py:class:`int` - .. py:attribute:: rendering_intent + :type: int The rendering intent to use when combining this profile with another profile (usually overridden at run-time, but provided here @@ -114,143 +121,135 @@ can be easily displayed in a chromaticity diagram, for example). One of ``ImageCms.INTENT_ABSOLUTE_COLORIMETRIC``, ``ImageCms.INTENT_PERCEPTUAL``, ``ImageCms.INTENT_RELATIVE_COLORIMETRIC`` and ``ImageCms.INTENT_SATURATION``. - :type: :py:class:`int` - .. py:attribute:: profile_id + :type: bytes A sequence of 16 bytes identifying the profile (via a specially constructed MD5 sum), or 16 binary zeroes if the profile ID has not been calculated (see 7.2.18 of ICC.1:2010). - :type: :py:class:`bytes` - .. py:attribute:: copyright + :type: Optional[str] The text copyright information for the profile (see 9.2.21 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: manufacturer + :type: Optional[str] - The (english) display string for the device manufacturer (see + The (English) display string for the device manufacturer (see 9.2.22 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: model + :type: Optional[str] - The (english) display string for the device model of the device + The (English) display string for the device model of the device for which this profile is created (see 9.2.23 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: profile_description + :type: Optional[str] - The (english) display string for the profile description (see + The (English) display string for the profile description (see 9.2.41 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: target + :type: Optional[str] The name of the registered characterization data set, or the measurement data for a characterization target (see 9.2.14 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: red_colorant + :type: Optional[tuple[tuple[float]]] The first column in the matrix used in matrix/TRC transforms (see 9.2.44 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: green_colorant + :type: Optional[tuple[tuple[float]]] The second column in the matrix used in matrix/TRC transforms (see 9.2.30 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: blue_colorant + :type: Optional[tuple[tuple[float]]] The third column in the matrix used in matrix/TRC transforms (see 9.2.4 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: luminance + :type: Optional[tuple[tuple[float]]] The absolute luminance of emissive devices in candelas per square metre as described by the Y channel (see 9.2.32 of ICC.1:2010). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: chromaticity + :type: Optional[tuple[tuple[float]]] The data of the phosphor/colorant chromaticity set used (red, green and blue channels, see 9.2.16 of ICC.1:2010). - :type: ``((x, y, Y), (x, y, Y), (x, y, Y))`` or ``None`` + The value is in the format ``((x, y, Y), (x, y, Y), (x, y, Y))``, if available. .. py:attribute:: chromatic_adaption + :type: tuple[tuple[float]] The chromatic adaption matrix converts a color measured using the actual illumination conditions and relative to the actual adopted - white, to an color relative to the PCS adopted white, with + white, to a color relative to the PCS adopted white, with complete adaptation from the actual adopted white chromaticity to the PCS adopted white chromaticity (see 9.2.15 of ICC.1:2010). - Two matrices are returned, one in (X, Y, Z) space and one in (x, y, Y) space. - - :type: 2-tuple of 3-tuple, the first with (X, Y, Z) and the second with (x, y, Y) values + Two 3-tuples of floats are returned in a 2-tuple, + one in (X, Y, Z) space and one in (x, y, Y) space. .. py:attribute:: colorant_table + :type: list[str] This tag identifies the colorants used in the profile by a unique name and set of PCSXYZ or PCSLAB values (see 9.2.19 of ICC.1:2010). - :type: list of strings - .. py:attribute:: colorant_table_out + :type: list[str] This tag identifies the colorants used in the profile by a unique name and set of PCSLAB values (for DeviceLink profiles only, see 9.2.19 of ICC.1:2010). - :type: list of strings - .. py:attribute:: colorimetric_intent + :type: Optional[str] 4-character string (padded with whitespace) identifying the image state of PCS colorimetry produced using the colorimetric intent transforms (see 9.2.20 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: perceptual_rendering_intent_gamut + :type: Optional[str] 4-character string (padded with whitespace) identifying the (one) standard reference medium gamut (see 9.2.37 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: saturation_rendering_intent_gamut + :type: Optional[str] 4-character string (padded with whitespace) identifying the (one) standard reference medium gamut (see 9.2.37 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: technology + :type: Optional[str] 4-character string (padded with whitespace) identifying the device technology (see 9.2.47 of ICC.1:2010 for details). - :type: :py:class:`string` or ``None`` - .. py:attribute:: media_black_point + :type: Optional[tuple[tuple[float]]] This tag specifies the media black point and is used for generating absolute colorimetry. @@ -258,57 +257,57 @@ can be easily displayed in a chromaticity diagram, for example). This tag was available in ICC 3.2, but it is removed from version 4. - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: media_white_point_temperature + :type: Optional[float] Calculates the white point temperature (see the LCMS documentation for more information). - :type: :py:class:`float` or ``None`` - .. py:attribute:: viewing_condition + :type: Optional[str] - The (english) display string for the viewing conditions (see + The (English) display string for the viewing conditions (see 9.2.48 of ICC.1:2010). - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: screening_description + :type: Optional[str] - The (english) display string for the screening conditions. + The (English) display string for the screening conditions. This tag was available in ICC 3.2, but it is removed from version 4. - :type: :py:class:`unicode` or ``None`` - .. py:attribute:: red_primary + :type: Optional[tuple[tuple[float]]] The XYZ-transformed of the RGB primary color red (1, 0, 0). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: green_primary + :type: Optional[tuple[tuple[float]]] The XYZ-transformed of the RGB primary color green (0, 1, 0). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: blue_primary + :type: Optional[tuple[tuple[float]]] The XYZ-transformed of the RGB primary color blue (0, 0, 1). - :type: ``((X, Y, Z), (x, y, Y))`` or ``None`` + The value is in the format ``((X, Y, Z), (x, y, Y))``, if available. .. py:attribute:: is_matrix_shaper + :type: bool True if this profile is implemented as a matrix shaper (see documentation on LCMS). - :type: :py:class:`bool` - .. py:attribute:: clut + :type: dict[tuple[bool]] Returns a dictionary of all supported intents and directions for the CLUT model. @@ -326,9 +325,8 @@ can be easily displayed in a chromaticity diagram, for example). The elements of the tuple are booleans. If the value is ``True``, that intent is supported for that direction. - :type: :py:class:`dict` of boolean 3-tuples - .. py:attribute:: intent_supported + :type: dict[tuple[bool]] Returns a dictionary of all supported intents and directions. @@ -345,64 +343,6 @@ can be easily displayed in a chromaticity diagram, for example). The elements of the tuple are booleans. If the value is ``True``, that intent is supported for that direction. - :type: :py:class:`dict` of boolean 3-tuples - - .. py:attribute:: color_space - - Deprecated but retained for backwards compatibility. - Interpreted value of :py:attr:`.xcolor_space`. May be the - empty string if value could not be decoded. - - :type: :py:class:`string` - - .. py:attribute:: pcs - - Deprecated but retained for backwards compatibility. - Interpreted value of :py:attr:`.connection_space`. May be - the empty string if value could not be decoded. - - :type: :py:class:`string` - - .. py:attribute:: product_model - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.model`. - - :type: :py:class:`string` - - .. py:attribute:: product_manufacturer - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.manufacturer`. - - :type: :py:class:`string` - - .. py:attribute:: product_copyright - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.copyright`. - - :type: :py:class:`string` - - .. py:attribute:: product_description - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.profile_description`. - - :type: :py:class:`string` - - .. py:attribute:: product_desc - - Deprecated but retained for backwards compatibility. - ASCII-encoded value of :py:attr:`.profile_description`. - - This alias of :py:attr:`.product_description` used to - contain a derived informative string about the profile, - depending on the value of the description, copyright, - manufacturer and model fields). - - :type: :py:class:`string` - There is one function defined on the class: .. py:method:: is_intent_supported(intent, direction) @@ -413,10 +353,10 @@ can be easily displayed in a chromaticity diagram, for example). with :py:attr:`.intent_supported`. :param intent: One of ``ImageCms.INTENT_ABSOLUTE_COLORIMETRIC``, - ``ImageCms.INTENT_PERCEPTUAL``, - ``ImageCms.INTENT_RELATIVE_COLORIMETRIC`` - and ``ImageCms.INTENT_SATURATION``. + ``ImageCms.INTENT_PERCEPTUAL``, + ``ImageCms.INTENT_RELATIVE_COLORIMETRIC`` + and ``ImageCms.INTENT_SATURATION``. :param direction: One of ``ImageCms.DIRECTION_INPUT``, - ``ImageCms.DIRECTION_OUTPUT`` - and ``ImageCms.DIRECTION_PROOF`` + ``ImageCms.DIRECTION_OUTPUT`` + and ``ImageCms.DIRECTION_PROOF`` :return: Boolean if the intent and direction is supported. diff --git a/docs/reference/ImageColor.rst b/docs/reference/ImageColor.rst index f4bd9bd0ebc..20237eccf78 100644 --- a/docs/reference/ImageColor.rst +++ b/docs/reference/ImageColor.rst @@ -1,12 +1,12 @@ .. py:module:: PIL.ImageColor .. py:currentmodule:: PIL.ImageColor -:py:mod:`ImageColor` Module -=========================== +:py:mod:`~PIL.ImageColor` Module +================================ -The :py:mod:`ImageColor` module contains color tables and converters from +The :py:mod:`~PIL.ImageColor` module contains color tables and converters from CSS3-style color specifiers to RGB tuples. This module is used by -:py:meth:`PIL.Image.Image.new` and the :py:mod:`~PIL.ImageDraw` module, among +:py:meth:`PIL.Image.new` and the :py:mod:`~PIL.ImageDraw` module, among others. .. _color-names: @@ -16,8 +16,11 @@ Color Names The ImageColor module supports the following string formats: -* Hexadecimal color specifiers, given as ``#rgb`` or ``#rrggbb``. For example, - ``#ff0000`` specifies pure red. +* Hexadecimal color specifiers, given as ``#rgb``, ``#rgba``, ``#rrggbb`` or + ``#rrggbbaa``, where ``r`` is red, ``g`` is green, ``b`` is blue and ``a`` is + alpha (also called 'opacity'). For example, ``#ff0000`` specifies pure red, + and ``#ff0000cc`` specifies red with 80% opacity (``cc`` is 204 in decimal + form, and 204 / 255 = 0.8). * RGB functions, given as ``rgb(red, green, blue)`` where the color values are integers in the range 0 to 255. Alternatively, the color values can be given @@ -31,6 +34,13 @@ The ImageColor module supports the following string formats: (black=0%, normal=50%, white=100%). For example, ``hsl(0,100%,50%)`` is pure red. +* Hue-Saturation-Value (HSV) functions, given as ``hsv(hue, saturation%, + value%)`` where hue and saturation are the same as HSL, and value is between + 0% and 100% (black=0%, normal=100%). For example, ``hsv(0,100%,100%)`` is + pure red. This format is also known as Hue-Saturation-Brightness (HSB), and + can be given as ``hsb(hue, saturation%, brightness%)``, where each of the + values are used as they are in HSV. + * Common HTML color names. The :py:mod:`~PIL.ImageColor` module provides some 140 standard color names, based on the colors supported by the X Window system and most web browsers. color names are case insensitive. For example, diff --git a/docs/reference/ImageDraw.rst b/docs/reference/ImageDraw.rst index 7e498797156..b95d8d591a7 100644 --- a/docs/reference/ImageDraw.rst +++ b/docs/reference/ImageDraw.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageDraw .. py:currentmodule:: PIL.ImageDraw -:py:mod:`ImageDraw` Module -========================== +:py:mod:`~PIL.ImageDraw` Module +=============================== -The :py:mod:`ImageDraw` module provides simple 2D graphics for +The :py:mod:`~PIL.ImageDraw` module provides simple 2D graphics for :py:class:`~PIL.Image.Image` objects. You can use this module to create new images, annotate or retouch existing images, and to generate graphics on the fly for web use. @@ -18,17 +18,17 @@ Example: Draw a gray cross over an image .. code-block:: python + import sys from PIL import Image, ImageDraw - im = Image.open("hopper.jpg") + with Image.open("hopper.jpg") as im: - draw = ImageDraw.Draw(im) - draw.line((0, 0) + im.size, fill=128) - draw.line((0, im.size[1], im.size[0], 0), fill=128) - del draw + draw = ImageDraw.Draw(im) + draw.line((0, 0) + im.size, fill=128) + draw.line((0, im.size[1], im.size[0], 0), fill=128) - # write to stdout - im.save(sys.stdout, "PNG") + # write to stdout + im.save(sys.stdout, "PNG") Concepts @@ -38,13 +38,14 @@ Coordinates ^^^^^^^^^^^ The graphics interface uses the same coordinate system as PIL itself, with (0, -0) in the upper left corner. +0) in the upper left corner. Any pixels drawn outside of the image bounds will +be discarded. Colors ^^^^^^ To specify colors, you can use numbers or tuples just as you would use with -:py:meth:`PIL.Image.Image.new` or :py:meth:`PIL.Image.Image.putpixel`. For “1”, +:py:meth:`PIL.Image.new` or :py:meth:`PIL.Image.Image.putpixel`. For “1”, “L”, and “I” images, use integers. For “RGB” images, use a 3-tuple containing integer values. For “F” images, use integer or floating point values. @@ -80,32 +81,52 @@ Example: Draw Partial Opacity Text .. code-block:: python from PIL import Image, ImageDraw, ImageFont + # get an image - base = Image.open('Pillow/Tests/images/hopper.png').convert('RGBA') + with Image.open("Pillow/Tests/images/hopper.png").convert("RGBA") as base: + + # make a blank image for the text, initialized to transparent text color + txt = Image.new("RGBA", base.size, (255, 255, 255, 0)) + + # get a font + fnt = ImageFont.truetype("Pillow/Tests/fonts/FreeMono.ttf", 40) + # get a drawing context + d = ImageDraw.Draw(txt) + + # draw text, half opacity + d.text((10, 10), "Hello", font=fnt, fill=(255, 255, 255, 128)) + # draw text, full opacity + d.text((10, 60), "World", font=fnt, fill=(255, 255, 255, 255)) + + out = Image.alpha_composite(base, txt) + + out.show() + +Example: Draw Multiline Text +---------------------------- + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont - # make a blank image for the text, initialized to transparent text color - txt = Image.new('RGBA', base.size, (255,255,255,0)) + # create an image + out = Image.new("RGB", (150, 100), (255, 255, 255)) # get a font - fnt = ImageFont.truetype('Pillow/Tests/fonts/FreeMono.ttf', 40) + fnt = ImageFont.truetype("Pillow/Tests/fonts/FreeMono.ttf", 40) # get a drawing context - d = ImageDraw.Draw(txt) - - # draw text, half opacity - d.text((10,10), "Hello", font=fnt, fill=(255,255,255,128)) - # draw text, full opacity - d.text((10,60), "World", font=fnt, fill=(255,255,255,255)) + d = ImageDraw.Draw(out) - out = Image.alpha_composite(base, txt) + # draw multiline text + d.multiline_text((10, 10), "Hello\nWorld", font=fnt, fill=(0, 0, 0)) out.show() - Functions --------- -.. py:class:: PIL.ImageDraw.Draw(im, mode=None) +.. py:method:: Draw(im, mode=None) Creates an object that can be used to draw in the given image. @@ -121,25 +142,29 @@ Functions Methods ------- -.. py:method:: PIL.ImageDraw.ImageDraw.getfont() +.. py:method:: ImageDraw.getfont() Get the current default font. :returns: An image font. -.. py:method:: PIL.ImageDraw.ImageDraw.arc(xy, start, end, fill=None) +.. py:method:: ImageDraw.arc(xy, start, end, fill=None, width=0) Draws an arc (a portion of a circle outline) between the start and end angles, inside the given bounding box. - :param xy: Two points to define the bounding box. Sequence of - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. - :param start: Starting angle, in degrees. Angles are measured from - 3 o'clock, increasing clockwise. + :param xy: Two points to define the bounding box. Sequence of ``[(x0, y0), + (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` and ``y1 >= + y0``. + :param start: Starting angle, in degrees. Angles are measured from 3 + o'clock, increasing clockwise. :param end: Ending angle, in degrees. :param fill: Color to use for the arc. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.ImageDraw.bitmap(xy, bitmap, fill=None) +.. py:method:: ImageDraw.bitmap(xy, bitmap, fill=None) Draws a bitmap (mask) at the given position, using the current fill color for the non-zero portions. The bitmap should be a valid transparency mask @@ -150,53 +175,67 @@ Methods To paste pixel data into an image, use the :py:meth:`~PIL.Image.Image.paste` method on the image itself. -.. py:method:: PIL.ImageDraw.ImageDraw.chord(xy, start, end, fill=None, outline=None) +.. py:method:: ImageDraw.chord(xy, start, end, fill=None, outline=None, width=1) Same as :py:meth:`~PIL.ImageDraw.ImageDraw.arc`, but connects the end points with a straight line. - :param xy: Two points to define the bounding box. Sequence of - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. + :param xy: Two points to define the bounding box. Sequence of ``[(x0, y0), + (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` and ``y1 >= + y0``. :param outline: Color to use for the outline. :param fill: Color to use for the fill. + :param width: The line width, in pixels. -.. py:method:: PIL.ImageDraw.ImageDraw.ellipse(xy, fill=None, outline=None) + .. versionadded:: 5.3.0 + +.. py:method:: ImageDraw.ellipse(xy, fill=None, outline=None, width=1) Draws an ellipse inside the given bounding box. :param xy: Two points to define the bounding box. Sequence of either - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. + ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` + and ``y1 >= y0``. :param outline: Color to use for the outline. :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.ImageDraw.line(xy, fill=None, width=0) +.. py:method:: ImageDraw.line(xy, fill=None, width=0, joint=None) - Draws a line between the coordinates in the **xy** list. + Draws a line between the coordinates in the ``xy`` list. :param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or numeric values like ``[x, y, x, y, ...]``. :param fill: Color to use for the line. - :param width: The line width, in pixels. Note that line - joins are not handled well, so wide polylines will not look good. + :param width: The line width, in pixels. .. versionadded:: 1.1.5 .. note:: This option was broken until version 1.1.6. + :param joint: Joint type between a sequence of lines. It can be ``"curve"``, for rounded edges, or :data:`None`. -.. py:method:: PIL.ImageDraw.ImageDraw.pieslice(xy, start, end, fill=None, outline=None) + .. versionadded:: 5.3.0 + +.. py:method:: ImageDraw.pieslice(xy, start, end, fill=None, outline=None, width=1) Same as arc, but also draws straight lines between the end points and the center of the bounding box. - :param xy: Two points to define the bounding box. Sequence of - ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. - :param start: Starting angle, in degrees. Angles are measured from - 3 o'clock, increasing clockwise. + :param xy: Two points to define the bounding box. Sequence of ``[(x0, y0), + (x1, y1)]`` or ``[x0, y0, x1, y1]``, where ``x1 >= x0`` and ``y1 >= + y0``. + :param start: Starting angle, in degrees. Angles are measured from 3 + o'clock, increasing clockwise. :param end: Ending angle, in degrees. :param fill: Color to use for the fill. :param outline: Color to use for the outline. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 -.. py:method:: PIL.ImageDraw.ImageDraw.point(xy, fill=None) +.. py:method:: ImageDraw.point(xy, fill=None) Draws points (individual pixels) at the given coordinates. @@ -204,7 +243,7 @@ Methods numeric values like ``[x, y, x, y, ...]``. :param fill: Color to use for the point. -.. py:method:: PIL.ImageDraw.ImageDraw.polygon(xy, fill=None, outline=None) +.. py:method:: ImageDraw.polygon(xy, fill=None, outline=None, width=1) Draws a polygon. @@ -214,10 +253,29 @@ Methods :param xy: Sequence of either 2-tuples like ``[(x, y), (x, y), ...]`` or numeric values like ``[x, y, x, y, ...]``. + :param fill: Color to use for the fill. :param outline: Color to use for the outline. + :param width: The line width, in pixels. + + +.. py:method:: ImageDraw.regular_polygon(bounding_circle, n_sides, rotation=0, fill=None, outline=None) + + Draws a regular polygon inscribed in ``bounding_circle``, + with ``n_sides``, and rotation of ``rotation`` degrees. + + :param bounding_circle: The bounding circle is a tuple defined + by a point and radius. + (e.g. ``bounding_circle=(x, y, r)`` or ``((x, y), r)``). + The polygon is inscribed in this circle. + :param n_sides: Number of sides + (e.g. ``n_sides=3`` for a triangle, ``6`` for a hexagon). + :param rotation: Apply an arbitrary rotation to the polygon + (e.g. ``rotation=90``, applies a 90 degree rotation). :param fill: Color to use for the fill. + :param outline: Color to use for the outline. -.. py:method:: PIL.ImageDraw.ImageDraw.rectangle(xy, fill=None, outline=None) + +.. py:method:: ImageDraw.rectangle(xy, fill=None, outline=None, width=1) Draws a rectangle. @@ -226,133 +284,413 @@ Methods is just outside the drawn rectangle. :param outline: Color to use for the outline. :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 5.3.0 + +.. py:method:: ImageDraw.rounded_rectangle(xy, radius=0, fill=None, outline=None, width=1) + + Draws a rounded rectangle. + + :param xy: Two points to define the bounding box. Sequence of either + ``[(x0, y0), (x1, y1)]`` or ``[x0, y0, x1, y1]``. The second point + is just outside the drawn rectangle. + :param radius: Radius of the corners. + :param outline: Color to use for the outline. + :param fill: Color to use for the fill. + :param width: The line width, in pixels. + + .. versionadded:: 8.2.0 -.. py:method:: PIL.ImageDraw.ImageDraw.shape(shape, fill=None, outline=None) +.. py:method:: ImageDraw.shape(shape, fill=None, outline=None) .. warning:: This method is experimental. Draw a shape. -.. py:method:: PIL.ImageDraw.ImageDraw.text(xy, text, fill=None, font=None, anchor=None, spacing=0, align="left", direction=None, features=None) +.. py:method:: ImageDraw.text(xy, text, fill=None, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, stroke_fill=None, embedded_color=False) Draws the string at the given position. - :param xy: Top left corner of the text. - :param text: Text to be drawn. If it contains any newline characters, - the text is passed on to multiline_text() + :param xy: The anchor coordinates of the text. + :param text: String to be drawn. If it contains any newline characters, + the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_text`. :param fill: Color to use for the text. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. - :param spacing: If the text is passed on to multiline_text(), + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + + .. note:: This parameter was present in earlier versions + of Pillow, but implemented only in version 8.0.0. + + :param spacing: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_text`, the number of pixels between lines. - :param align: If the text is passed on to multiline_text(), - "left", "center" or "right". - :param direction: Direction of the text. It can be 'rtl' (right to - left), 'ltr' (left to right), 'ttb' (top to - bottom) or 'btt' (bottom to top). Requires - libraqm. + :param align: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_text`, + ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. .. versionadded:: 4.2.0 :param features: A list of OpenType font features to be used during text layout. This is usually used to turn on optional font features that are not enabled by default, - for example 'dlig' or 'ss01', but can be also - used to turn off default font features for - example '-liga' to disable ligatures or '-kern' + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` to disable kerning. To get all supported - features, see - https://www.microsoft.com/typography/otspec/featurelist.htm + features, see `OpenType docs`_. Requires libraqm. .. versionadded:: 4.2.0 -.. py:method:: PIL.ImageDraw.ImageDraw.multiline_text(xy, text, fill=None, font=None, anchor=None, spacing=0, align="left", direction=None, features=None) + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :param stroke_fill: Color to use for the text stroke. If not given, will default to + the ``fill`` parameter. + + .. versionadded:: 6.2.0 + + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + + .. versionadded:: 8.0.0 + + +.. py:method:: ImageDraw.multiline_text(xy, text, fill=None, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, stroke_fill=None, embedded_color=False) Draws the string at the given position. - :param xy: Top left corner of the text. - :param text: Text to be drawn. + :param xy: The anchor coordinates of the text. + :param text: String to be drawn. :param fill: Color to use for the text. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. + + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + + .. note:: This parameter was present in earlier versions + of Pillow, but implemented only in version 8.0.0. + :param spacing: The number of pixels between lines. - :param align: "left", "center" or "right". - :param direction: Direction of the text. It can be 'rtl' (right to - left), 'ltr' (left to right), 'ttb' (top to - bottom) or 'btt' (bottom to top). Requires - libraqm. + :param align: ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. .. versionadded:: 4.2.0 :param features: A list of OpenType font features to be used during text layout. This is usually used to turn on optional font features that are not enabled by default, - for example 'dlig' or 'ss01', but can be also - used to turn off default font features for - example '-liga' to disable ligatures or '-kern' + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` to disable kerning. To get all supported - features, see - https://www.microsoft.com/typography/otspec/featurelist.htm + features, see `OpenType docs`_. Requires libraqm. .. versionadded:: 4.2.0 -.. py:method:: PIL.ImageDraw.ImageDraw.textsize(text, font=None, spacing=4, direction=None, features=None) + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + + :param stroke_fill: Color to use for the text stroke. If not given, will default to + the ``fill`` parameter. + + .. versionadded:: 6.2.0 + + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + + .. versionadded:: 8.0.0 + +.. py:method:: ImageDraw.textsize(text, font=None, spacing=4, direction=None, features=None, language=None, stroke_width=0) Return the size of the given string, in pixels. + Use :py:meth:`textlength()` to measure the offset of following text with + 1/64 pixel precision. + Use :py:meth:`textbbox()` to get the exact bounding box based on an anchor. + + .. note:: For historical reasons this function measures text height from + the ascender line instead of the top, see :ref:`text-anchors`. + If you wish to measure text height from the top, it is recommended + to use :meth:`textbbox` with ``anchor='lt'`` instead. + :param text: Text to be measured. If it contains any newline characters, - the text is passed on to multiline_textsize() + the text is passed on to :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textsize`. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. - :param spacing: If the text is passed on to multiline_textsize(), + :param spacing: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textsize`, the number of pixels between lines. - :param direction: Direction of the text. It can be 'rtl' (right to - left), 'ltr' (left to right), 'ttb' (top to - bottom) or 'btt' (bottom to top). Requires - libraqm. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. .. versionadded:: 4.2.0 - :param features: A list of OpenType font features to be used during text layout. This is usually used to turn on optional font features that are not enabled by default, - for example 'dlig' or 'ss01', but can be also - used to turn off default font features for - example '-liga' to disable ligatures or '-kern' + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` to disable kerning. To get all supported - features, see - https://www.microsoft.com/typography/otspec/featurelist.htm + features, see `OpenType docs`_. Requires libraqm. .. versionadded:: 4.2.0 + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 -.. py:method:: PIL.ImageDraw.ImageDraw.multiline_textsize(text, font=None, spacing=4, direction=None, features=None) +.. py:method:: ImageDraw.multiline_textsize(text, font=None, spacing=4, direction=None, features=None, language=None, stroke_width=0) Return the size of the given string, in pixels. + Use :py:meth:`textlength()` to measure the offset of following text with + 1/64 pixel precision. + Use :py:meth:`textbbox()` to get the exact bounding box based on an anchor. + + .. note:: For historical reasons this function measures text height as the + distance between the top ascender line and bottom descender line, + not the top and bottom of the text, see :ref:`text-anchors`. + If you wish to measure text height from the top to the bottom of text, + it is recommended to use :meth:`multiline_textbbox` instead. + :param text: Text to be measured. :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. :param spacing: The number of pixels between lines. - :param direction: Direction of the text. It can be 'rtl' (right to - left), 'ltr' (left to right), 'ttb' (top to - bottom) or 'btt' (bottom to top). Requires - libraqm. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. .. versionadded:: 4.2.0 :param features: A list of OpenType font features to be used during text layout. This is usually used to turn on optional font features that are not enabled by default, - for example 'dlig' or 'ss01', but can be also - used to turn off default font features for - example '-liga' to disable ligatures or '-kern' + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` to disable kerning. To get all supported - features, see - https://www.microsoft.com/typography/otspec/featurelist.htm + features, see `OpenType docs`_. Requires libraqm. .. versionadded:: 4.2.0 -.. py:method:: PIL.ImageDraw.getdraw(im=None, hints=None) + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + + .. versionadded:: 6.0.0 + + :param stroke_width: The width of the text stroke. + + .. versionadded:: 6.2.0 + +.. py:method:: ImageDraw.textlength(text, font=None, direction=None, features=None, language=None, embedded_color=False) + + Returns length (in pixels with 1/64 precision) of given text when rendered + in font with provided direction, features, and language. + + This is the amount by which following text should be offset. + Text bounding box may extend past the length in some fonts, + e.g. when using italics or accents. + + The result is returned as a float; it is a whole number if using basic layout. + + Note that the sum of two lengths may not equal the length of a concatenated + string due to kerning. If you need to adjust for kerning, include the following + character and subtract its length. + + For example, instead of + + .. code-block:: python + + hello = draw.textlength("Hello", font) + world = draw.textlength("World", font) + hello_world = hello + world # not adjusted for kerning + assert hello_world == draw.textlength("HelloWorld", font) # may fail + + use + + .. code-block:: python + + hello = draw.textlength("HelloW", font) - draw.textlength( + "W", font + ) # adjusted for kerning + world = draw.textlength("World", font) + hello_world = hello + world # adjusted for kerning + assert hello_world == draw.textlength("HelloWorld", font) # True + + or disable kerning with (requires libraqm) + + .. code-block:: python + + hello = draw.textlength("Hello", font, features=["-kern"]) + world = draw.textlength("World", font, features=["-kern"]) + hello_world = hello + world # kerning is disabled, no need to adjust + assert hello_world == draw.textlength("HelloWorld", font, features=["-kern"]) # True + + .. versionadded:: 8.0.0 + + :param text: Text to be measured. May not contain any newline characters. + :param font: An :py:class:`~PIL.ImageFont.ImageFont` instance. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + +.. py:method:: ImageDraw.textbbox(xy, text, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, embedded_color=False) + + Returns bounding box (in pixels) of given text relative to given anchor + when rendered in font with provided direction, features, and language. + Only supported for TrueType fonts. + + Use :py:meth:`textlength` to get the offset of following text with + 1/64 pixel precision. The bounding box includes extra margins for + some fonts, e.g. italics or accents. + + .. versionadded:: 8.0.0 + + :param xy: The anchor coordinates of the text. + :param text: Text to be measured. If it contains any newline characters, + the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textbbox`. + :param font: A :py:class:`~PIL.ImageFont.FreeTypeFont` instance. + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + :param spacing: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textbbox`, + the number of pixels between lines. + :param align: If the text is passed on to + :py:meth:`~PIL.ImageDraw.ImageDraw.multiline_textbbox`, + ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + :param stroke_width: The width of the text stroke. + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + +.. py:method:: ImageDraw.multiline_textbbox(xy, text, font=None, anchor=None, spacing=4, align="left", direction=None, features=None, language=None, stroke_width=0, embedded_color=False) + + Returns bounding box (in pixels) of given text relative to given anchor + when rendered in font with provided direction, features, and language. + Only supported for TrueType fonts. + + Use :py:meth:`textlength` to get the offset of following text with + 1/64 pixel precision. The bounding box includes extra margins for + some fonts, e.g. italics or accents. + + .. versionadded:: 8.0.0 + + :param xy: The anchor coordinates of the text. + :param text: Text to be measured. + :param font: A :py:class:`~PIL.ImageFont.FreeTypeFont` instance. + :param anchor: The text anchor alignment. Determines the relative location of + the anchor to the text. The default alignment is top left. + See :ref:`text-anchors` for valid values. This parameter is + ignored for non-TrueType fonts. + :param spacing: The number of pixels between lines. + :param align: ``"left"``, ``"center"`` or ``"right"``. Determines the relative alignment of lines. + Use the ``anchor`` parameter to specify the alignment to ``xy``. + :param direction: Direction of the text. It can be ``"rtl"`` (right to + left), ``"ltr"`` (left to right) or ``"ttb"`` (top to bottom). + Requires libraqm. + :param features: A list of OpenType font features to be used during text + layout. This is usually used to turn on optional + font features that are not enabled by default, + for example ``"dlig"`` or ``"ss01"``, but can be also + used to turn off default font features, for + example ``"-liga"`` to disable ligatures or ``"-kern"`` + to disable kerning. To get all supported + features, see `OpenType docs`_. + Requires libraqm. + :param language: Language of the text. Different languages may use + different glyph shapes or ligatures. This parameter tells + the font which language the text is in, and to apply the + correct substitutions as appropriate, if available. + It should be a `BCP 47 language code`_. + Requires libraqm. + :param stroke_width: The width of the text stroke. + :param embedded_color: Whether to use font embedded color glyphs (COLR, CBDT, SBIX). + +.. py:method:: getdraw(im=None, hints=None) .. warning:: This method is experimental. @@ -363,7 +701,7 @@ Methods :param hints: An optional list of hints. :returns: A (drawing context, drawing resource factory) tuple. -.. py:method:: PIL.ImageDraw.floodfill(image, xy, value, border=None, thresh=0) +.. py:method:: floodfill(image, xy, value, border=None, thresh=0) .. warning:: This method is experimental. @@ -380,3 +718,6 @@ Methods tolerable difference of a pixel value from the 'background' in order for it to be replaced. Useful for filling regions of non- homogeneous, but similar, colors. + +.. _BCP 47 language code: https://www.w3.org/International/articles/language-tags/ +.. _OpenType docs: https://docs.microsoft.com/en-us/typography/opentype/spec/featurelist diff --git a/docs/reference/ImageEnhance.rst b/docs/reference/ImageEnhance.rst index b172054b2e3..29ceee314cc 100644 --- a/docs/reference/ImageEnhance.rst +++ b/docs/reference/ImageEnhance.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageEnhance .. py:currentmodule:: PIL.ImageEnhance -:py:mod:`ImageEnhance` Module -============================= +:py:mod:`~PIL.ImageEnhance` Module +================================== -The :py:mod:`ImageEnhance` module contains a number of classes that can be used +The :py:mod:`~PIL.ImageEnhance` module contains a number of classes that can be used for image enhancement. Example: Vary the sharpness of an image @@ -18,7 +18,7 @@ Example: Vary the sharpness of an image for i in range(8): factor = i / 4.0 - enhancer.enhance(factor).show("Sharpness %f" % factor) + enhancer.enhance(factor).show(f"Sharpness {factor:f}") Also see the :file:`enhancer.py` demo program in the :file:`Scripts/` directory. @@ -29,7 +29,8 @@ Classes All enhancement classes implement a common interface, containing a single method: -.. py:class:: PIL.ImageEnhance._Enhance +.. py:class:: _Enhance + .. py:method:: enhance(factor) Returns an enhanced image. @@ -40,7 +41,7 @@ method: etc), and higher values more. There are no restrictions on this value. -.. py:class:: PIL.ImageEnhance.Color(image) +.. py:class:: Color(image) Adjust image color balance. @@ -49,7 +50,7 @@ method: factor of 0.0 gives a black and white image. A factor of 1.0 gives the original image. -.. py:class:: PIL.ImageEnhance.Contrast(image) +.. py:class:: Contrast(image) Adjust image contrast. @@ -57,7 +58,7 @@ method: to the contrast control on a TV set. An enhancement factor of 0.0 gives a solid grey image. A factor of 1.0 gives the original image. -.. py:class:: PIL.ImageEnhance.Brightness(image) +.. py:class:: Brightness(image) Adjust image brightness. @@ -65,7 +66,7 @@ method: enhancement factor of 0.0 gives a black image. A factor of 1.0 gives the original image. -.. py:class:: PIL.ImageEnhance.Sharpness(image) +.. py:class:: Sharpness(image) Adjust image sharpness. diff --git a/docs/reference/ImageFile.rst b/docs/reference/ImageFile.rst index d93dfb3a3df..e0ce389e862 100644 --- a/docs/reference/ImageFile.rst +++ b/docs/reference/ImageFile.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageFile .. py:currentmodule:: PIL.ImageFile -:py:mod:`ImageFile` Module -========================== +:py:mod:`~PIL.ImageFile` Module +=============================== -The :py:mod:`ImageFile` module provides support functions for the image open +The :py:mod:`~PIL.ImageFile` module provides support functions for the image open and save functions. In addition, it provides a :py:class:`Parser` class which can be used to decode @@ -34,14 +34,28 @@ Example: Parse an image im.save("copy.jpg") -:py:class:`~PIL.ImageFile.Parser` ---------------------------------- +Classes +------- .. autoclass:: PIL.ImageFile.Parser() :members: -:py:class:`~PIL.ImageFile.PyDecoder` ------------------------------------- - .. autoclass:: PIL.ImageFile.PyDecoder() :members: + +.. autoclass:: PIL.ImageFile.ImageFile() + :member-order: bysource + :members: + :undoc-members: + :show-inheritance: + +.. autoclass:: PIL.ImageFile.StubImageFile() + :members: + :show-inheritance: + +Constants +--------- + +.. autodata:: PIL.ImageFile.LOAD_TRUNCATED_IMAGES +.. autodata:: PIL.ImageFile.ERRORS + :annotation: diff --git a/docs/reference/ImageFilter.rst b/docs/reference/ImageFilter.rst index bc1868667f1..c85da4fb57a 100644 --- a/docs/reference/ImageFilter.rst +++ b/docs/reference/ImageFilter.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageFilter .. py:currentmodule:: PIL.ImageFilter -:py:mod:`ImageFilter` Module -============================ +:py:mod:`~PIL.ImageFilter` Module +================================= -The :py:mod:`ImageFilter` module contains definitions for a pre-defined set of +The :py:mod:`~PIL.ImageFilter` module contains definitions for a pre-defined set of filters, which can be be used with the :py:meth:`Image.filter() ` method. @@ -33,16 +33,62 @@ image enhancement filters: * **EDGE_ENHANCE_MORE** * **EMBOSS** * **FIND_EDGES** +* **SHARPEN** * **SMOOTH** * **SMOOTH_MORE** -* **SHARPEN** -.. autoclass:: PIL.ImageFilter.GaussianBlur +.. autoclass:: PIL.ImageFilter.Color3DLUT + :members: + .. autoclass:: PIL.ImageFilter.BoxBlur + :members: + +.. autoclass:: PIL.ImageFilter.GaussianBlur + :members: + .. autoclass:: PIL.ImageFilter.UnsharpMask + :members: + .. autoclass:: PIL.ImageFilter.Kernel + :members: + .. autoclass:: PIL.ImageFilter.RankFilter + :members: + .. autoclass:: PIL.ImageFilter.MedianFilter + :members: + .. autoclass:: PIL.ImageFilter.MinFilter + :members: + .. autoclass:: PIL.ImageFilter.MaxFilter + :members: + .. autoclass:: PIL.ImageFilter.ModeFilter + :members: + +.. class:: Filter + + An abstract mixin used for filtering images + (for use with :py:meth:`~PIL.Image.Image.filter`). + + Implementors must provide the following method: + + .. method:: filter(self, image) + + Applies a filter to a single-band image, or a single band of an image. + + :returns: A filtered copy of the image. + +.. class:: MultibandFilter + + An abstract mixin used for filtering multi-band images + (for use with :py:meth:`~PIL.Image.Image.filter`). + + Implementors must provide the following method: + + .. method:: filter(self, image) + + Applies a filter to a multi-band image. + + :returns: A filtered copy of the image. diff --git a/docs/reference/ImageFont.rst b/docs/reference/ImageFont.rst index 76fde44ff4a..5f718ce19e4 100644 --- a/docs/reference/ImageFont.rst +++ b/docs/reference/ImageFont.rst @@ -1,21 +1,22 @@ .. py:module:: PIL.ImageFont .. py:currentmodule:: PIL.ImageFont -:py:mod:`ImageFont` Module -========================== +:py:mod:`~PIL.ImageFont` Module +=============================== -The :py:mod:`ImageFont` module defines a class with the same name. Instances of +The :py:mod:`~PIL.ImageFont` module defines a class with the same name. Instances of this class store bitmap fonts, and are used with the -:py:meth:`PIL.ImageDraw.Draw.text` method. +:py:meth:`PIL.ImageDraw.ImageDraw.text` method. -PIL uses its own font file format to store bitmap fonts. You can use the -:command:`pilfont` utility to convert BDF and PCF font descriptors (X window -font formats) to this format. +PIL uses its own font file format to store bitmap fonts, limited to 256 characters. You can use +`pilfont.py `_ +from `pillow-scripts `_ to convert BDF and +PCF font descriptors (X window font formats) to this format. Starting with version 1.1.4, PIL can be configured to support TrueType and OpenType fonts (as well as other font formats supported by the FreeType library). For earlier versions, TrueType support is only available as part of -the imToolkit package +the imToolkit package. Example ------- @@ -47,44 +48,27 @@ Functions Methods ------- -.. py:method:: PIL.ImageFont.ImageFont.getsize(text) +.. autoclass:: PIL.ImageFont.ImageFont + :members: - :return: (width, height) +.. autoclass:: PIL.ImageFont.FreeTypeFont + :members: -.. py:method:: PIL.ImageFont.ImageFont.getmask(text, mode='', direction=None, features=[]) +.. autoclass:: PIL.ImageFont.TransposedFont + :members: - Create a bitmap for the text. - - If the font uses antialiasing, the bitmap should have mode “L” and use a - maximum value of 255. Otherwise, it should have mode “1”. - - :param text: Text to render. - :param mode: Used by some graphics drivers to indicate what mode the - driver prefers; if empty, the renderer may return either - mode. Note that the mode is always a string, to simplify - C-level implementations. - - .. versionadded:: 1.1.5 +Constants +--------- - :param direction: Direction of the text. It can be 'rtl' (right to - left), 'ltr' (left to right), 'ttb' (top to - bottom) or 'btt' (bottom to top). Requires - libraqm. +.. data:: PIL.ImageFont.LAYOUT_BASIC - .. versionadded:: 4.2.0 + Use basic text layout for TrueType font. + Advanced features such as text direction are not supported. - :param features: A list of OpenType font features to be used during text - layout. This is usually used to turn on optional - font features that are not enabled by default, - for example 'dlig' or 'ss01', but can be also - used to turn off default font features for - example '-liga' to disable ligatures or '-kern' - to disable kerning. To get all supported - features, see - https://www.microsoft.com/typography/otspec/featurelist.htm - Requires libraqm. +.. data:: PIL.ImageFont.LAYOUT_RAQM - .. versionadded:: 4.2.0 + Use Raqm text layout for TrueType font. + Advanced features are supported. - :return: An internal PIL storage memory instance as defined by the - :py:mod:`PIL.Image.core` interface module. + Requires Raqm, you can check support using + :py:func:`PIL.features.check_feature` with ``feature="raqm"``. diff --git a/docs/reference/ImageGrab.rst b/docs/reference/ImageGrab.rst index 39aaef6bc12..ac83b225522 100644 --- a/docs/reference/ImageGrab.rst +++ b/docs/reference/ImageGrab.rst @@ -1,30 +1,42 @@ .. py:module:: PIL.ImageGrab .. py:currentmodule:: PIL.ImageGrab -:py:mod:`ImageGrab` Module (macOS and Windows only) -=================================================== +:py:mod:`~PIL.ImageGrab` Module +=============================== -The :py:mod:`ImageGrab` module can be used to copy the contents of the screen +The :py:mod:`~PIL.ImageGrab` module can be used to copy the contents of the screen or the clipboard to a PIL image memory. -.. note:: The current version works on macOS and Windows only. - .. versionadded:: 1.1.3 -.. py:function:: PIL.ImageGrab.grab(bbox=None) +.. py:function:: grab(bbox=None, include_layered_windows=False, all_screens=False, xdisplay=None) Take a snapshot of the screen. The pixels inside the bounding box are - returned as an "RGB" image on Windows or "RGBA" on macOS. + returned as an "RGBA" on macOS, or an "RGB" image otherwise. If the bounding box is omitted, the entire screen is copied. - .. versionadded:: 1.1.3 (Windows), 3.0.0 (macOS) + .. versionadded:: 1.1.3 (Windows), 3.0.0 (macOS), 7.1.0 (Linux (X11)) :param bbox: What region to copy. Default is the entire screen. + Note that on Windows OS, the top-left point may be negative if ``all_screens=True`` is used. + :param include_layered_windows: Includes layered windows. Windows OS only. + + .. versionadded:: 6.1.0 + :param all_screens: Capture all monitors. Windows OS only. + + .. versionadded:: 6.2.0 + + :param xdisplay: + X11 Display address. Pass :data:`None` to grab the default system screen. Pass ``""`` to grab the default X11 screen on Windows or macOS. + + You can check X11 support using :py:func:`PIL.features.check_feature` with ``feature="xcb"``. + + .. versionadded:: 7.1.0 :return: An image -.. py:function:: PIL.ImageGrab.grabclipboard() +.. py:function:: grabclipboard() - Take a snapshot of the clipboard image, if any. + Take a snapshot of the clipboard image, if any. Only macOS and Windows are currently supported. .. versionadded:: 1.1.4 (Windows), 3.3.0 (macOS) diff --git a/docs/reference/ImageMath.rst b/docs/reference/ImageMath.rst index 445a7e277b6..63f88fddd21 100644 --- a/docs/reference/ImageMath.rst +++ b/docs/reference/ImageMath.rst @@ -1,12 +1,12 @@ .. py:module:: PIL.ImageMath .. py:currentmodule:: PIL.ImageMath -:py:mod:`ImageMath` Module -========================== +:py:mod:`~PIL.ImageMath` Module +=============================== -The :py:mod:`ImageMath` module can be used to evaluate “image expressions”. The -module provides a single eval function, which takes an expression string and -one or more images. +The :py:mod:`~PIL.ImageMath` module can be used to evaluate “image expressions”. The +module provides a single :py:meth:`~PIL.ImageMath.eval` function, which takes +an expression string and one or more images. Example: Using the :py:mod:`~PIL.ImageMath` module -------------------------------------------------- @@ -15,11 +15,11 @@ Example: Using the :py:mod:`~PIL.ImageMath` module from PIL import Image, ImageMath - im1 = Image.open("image1.jpg") - im2 = Image.open("image2.jpg") + with Image.open("image1.jpg") as im1: + with Image.open("image2.jpg") as im2: - out = ImageMath.eval("convert(min(a, b), 'L')", a=im1, b=im2) - out.save("result.png") + out = ImageMath.eval("convert(min(a, b), 'L')", a=im1, b=im2) + out.save("result.png") .. py:function:: eval(expression, environment) @@ -60,9 +60,8 @@ point values, as necessary. For example, if you add two 8-bit images, the result will be a 32-bit integer image. If you add a floating point constant to an 8-bit image, the result will be a 32-bit floating point image. -You can force conversion using the :py:func:`~PIL.ImageMath.convert`, -:py:func:`~PIL.ImageMath.float`, and :py:func:`~PIL.ImageMath.int` functions -described below. +You can force conversion using the ``convert()``, ``float()``, and ``int()`` +functions described below. Bitwise Operators ^^^^^^^^^^^^^^^^^ @@ -98,20 +97,24 @@ These functions are applied to each individual pixel. .. py:currentmodule:: None .. py:function:: abs(image) + :noindex: Absolute value. .. py:function:: convert(image, mode) + :noindex: Convert image to the given mode. The mode must be given as a string constant. .. py:function:: float(image) + :noindex: Convert image to 32-bit floating point. This is equivalent to convert(image, “F”). .. py:function:: int(image) + :noindex: Convert image to 32-bit integer. This is equivalent to convert(image, “I”). @@ -119,9 +122,11 @@ These functions are applied to each individual pixel. integers if necessary to get a correct result. .. py:function:: max(image1, image2) + :noindex: Maximum value. .. py:function:: min(image1, image2) + :noindex: Minimum value. diff --git a/docs/reference/ImageMorph.rst b/docs/reference/ImageMorph.rst index be9d59348a8..d4522a06ae3 100644 --- a/docs/reference/ImageMorph.rst +++ b/docs/reference/ImageMorph.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageMorph .. py:currentmodule:: PIL.ImageMorph -:py:mod:`ImageMorph` Module -=========================== +:py:mod:`~PIL.ImageMorph` Module +================================ -The :py:mod:`ImageMorph` module provides morphology operations on images. +The :py:mod:`~PIL.ImageMorph` module provides morphology operations on images. .. automodule:: PIL.ImageMorph :members: diff --git a/docs/reference/ImageOps.rst b/docs/reference/ImageOps.rst index 50cea90ca98..d1c43cf6092 100644 --- a/docs/reference/ImageOps.rst +++ b/docs/reference/ImageOps.rst @@ -1,20 +1,21 @@ .. py:module:: PIL.ImageOps .. py:currentmodule:: PIL.ImageOps -:py:mod:`ImageOps` Module -========================== +:py:mod:`~PIL.ImageOps` Module +============================== -The :py:mod:`ImageOps` module contains a number of ‘ready-made’ image +The :py:mod:`~PIL.ImageOps` module contains a number of ‘ready-made’ image processing operations. This module is somewhat experimental, and most operators only work on L and RGB images. -Only bug fixes have been added since the Pillow fork. - .. versionadded:: 1.1.3 .. autofunction:: autocontrast .. autofunction:: colorize +.. autofunction:: contain +.. autofunction:: pad .. autofunction:: crop +.. autofunction:: scale .. autofunction:: deform .. autofunction:: equalize .. autofunction:: expand @@ -25,3 +26,4 @@ Only bug fixes have been added since the Pillow fork. .. autofunction:: mirror .. autofunction:: posterize .. autofunction:: solarize +.. autofunction:: exif_transpose diff --git a/docs/reference/ImagePalette.rst b/docs/reference/ImagePalette.rst index 15b8aed8f05..72ccfac7d83 100644 --- a/docs/reference/ImagePalette.rst +++ b/docs/reference/ImagePalette.rst @@ -1,18 +1,14 @@ .. py:module:: PIL.ImagePalette .. py:currentmodule:: PIL.ImagePalette -:py:mod:`ImagePalette` Module -============================= +:py:mod:`~PIL.ImagePalette` Module +================================== -The :py:mod:`ImagePalette` module contains a class of the same name to +The :py:mod:`~PIL.ImagePalette` module contains a class of the same name to represent the color palette of palette mapped images. .. note:: - This module was never well-documented. It hasn't changed since 2001, - though, so it's probably safe for you to read the source code and puzzle - out the internals if you need to. - The :py:class:`~PIL.ImagePalette.ImagePalette` class has several methods, but they are all marked as "experimental." Read that as you will. The ``[source]`` link is there for a reason. diff --git a/docs/reference/ImagePath.rst b/docs/reference/ImagePath.rst index 978db4caff7..b9bdfc50772 100644 --- a/docs/reference/ImagePath.rst +++ b/docs/reference/ImagePath.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImagePath .. py:currentmodule:: PIL.ImagePath -:py:mod:`ImagePath` Module -========================== +:py:mod:`~PIL.ImagePath` Module +=============================== -The :py:mod:`ImagePath` module is used to store and manipulate 2-dimensional +The :py:mod:`~PIL.ImagePath` module is used to store and manipulate 2-dimensional vector data. Path objects can be passed to the methods on the :py:mod:`~PIL.ImageDraw` module. @@ -33,7 +33,7 @@ vector data. Path objects can be passed to the methods on the method modifies the path in place, and returns the number of points left in the path. - **distance** is measured as `Manhattan distance`_ and defaults to two + ``distance`` is measured as `Manhattan distance`_ and defaults to two pixels. .. _Manhattan distance: https://en.wikipedia.org/wiki/Manhattan_distance @@ -53,9 +53,9 @@ vector data. Path objects can be passed to the methods on the Converts the path to a Python list [(x, y), …]. :param flat: By default, this function returns a list of 2-tuples - [(x, y), ...]. If this argument is `True`, it + [(x, y), ...]. If this argument is ``True``, it returns a flat list [x, y, ...] instead. - :return: A list of coordinates. See **flat**. + :return: A list of coordinates. See ``flat``. .. py:method:: PIL.ImagePath.Path.transform(matrix) diff --git a/docs/reference/ImageQt.rst b/docs/reference/ImageQt.rst index 7bc426eec95..66f5880a37e 100644 --- a/docs/reference/ImageQt.rst +++ b/docs/reference/ImageQt.rst @@ -1,20 +1,20 @@ .. py:module:: PIL.ImageQt .. py:currentmodule:: PIL.ImageQt -:py:mod:`ImageQt` Module -======================== +:py:mod:`~PIL.ImageQt` Module +============================= -The :py:mod:`ImageQt` module contains support for creating PyQt4, PyQt5 or -PySide QImage objects from PIL images. +The :py:mod:`~PIL.ImageQt` module contains support for creating PyQt6, PySide6, PyQt5 +or PySide2 QImage objects from PIL images. .. versionadded:: 1.1.6 -.. py:class:: ImageQt.ImageQt(image) +.. py:class:: ImageQt(image) Creates an :py:class:`~PIL.ImageQt.ImageQt` object from a PIL :py:class:`~PIL.Image.Image` object. This class is a subclass of QtGui.QImage, which means that you can pass the resulting objects directly - to PyQt4/PyQt5/PySide API functions and methods. + to PyQt6/PySide6/PyQt5/PySide2 API functions and methods. This operation is currently supported for mode 1, L, P, RGB, and RGBA images. To handle other modes, you need to convert the image first. diff --git a/docs/reference/ImageSequence.rst b/docs/reference/ImageSequence.rst index f8ea9ee92c2..1bfb554b653 100644 --- a/docs/reference/ImageSequence.rst +++ b/docs/reference/ImageSequence.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageSequence .. py:currentmodule:: PIL.ImageSequence -:py:mod:`ImageSequence` Module -============================== +:py:mod:`~PIL.ImageSequence` Module +=================================== -The :py:mod:`ImageSequence` module contains a wrapper class that lets you +The :py:mod:`~PIL.ImageSequence` module contains a wrapper class that lets you iterate over the frames of an image sequence. Extracting frames from an animation @@ -14,14 +14,14 @@ Extracting frames from an animation from PIL import Image, ImageSequence - im = Image.open("animation.fli") - - index = 1 - for frame in ImageSequence.Iterator(im): - frame.save("frame%d.png" % index) - index += 1 + with Image.open("animation.fli") as im: + index = 1 + for frame in ImageSequence.Iterator(im): + frame.save(f"frame{index}.png") + index += 1 The :py:class:`~PIL.ImageSequence.Iterator` class ------------------------------------------------- .. autoclass:: PIL.ImageSequence.Iterator + :members: diff --git a/docs/reference/ImageShow.rst b/docs/reference/ImageShow.rst new file mode 100644 index 00000000000..45b50c8469b --- /dev/null +++ b/docs/reference/ImageShow.rst @@ -0,0 +1,30 @@ +.. py:module:: PIL.ImageShow +.. py:currentmodule:: PIL.ImageShow + +:py:mod:`~PIL.ImageShow` Module +=============================== + +The :py:mod:`~PIL.ImageShow` Module is used to display images. +All default viewers convert the image to be shown to PNG format. + +.. autofunction:: PIL.ImageShow.show + +.. autoclass:: IPythonViewer +.. autoclass:: WindowsViewer +.. autoclass:: MacViewer + +.. class:: UnixViewer + + The following viewers may be registered on Unix-based systems, if the given command is found: + + .. autoclass:: PIL.ImageShow.XDGViewer + .. autoclass:: PIL.ImageShow.DisplayViewer + .. autoclass:: PIL.ImageShow.GmDisplayViewer + .. autoclass:: PIL.ImageShow.EogViewer + .. autoclass:: PIL.ImageShow.XVViewer + +.. autofunction:: PIL.ImageShow.register +.. autoclass:: PIL.ImageShow.Viewer + :member-order: bysource + :members: + :undoc-members: diff --git a/docs/reference/ImageStat.rst b/docs/reference/ImageStat.rst index b8925bf8cd5..5bb73529635 100644 --- a/docs/reference/ImageStat.rst +++ b/docs/reference/ImageStat.rst @@ -1,13 +1,13 @@ .. py:module:: PIL.ImageStat .. py:currentmodule:: PIL.ImageStat -:py:mod:`ImageStat` Module -========================== +:py:mod:`~PIL.ImageStat` Module +=============================== -The :py:mod:`ImageStat` module calculates global statistics for an image, or +The :py:mod:`~PIL.ImageStat` module calculates global statistics for an image, or for a region of an image. -.. py:class:: PIL.ImageStat.Stat(image_or_list, mask=None) +.. py:class:: Stat(image_or_list, mask=None) Calculate statistics for the given image. If a mask is included, only the regions covered by that mask are included in the @@ -20,6 +20,16 @@ for a region of an image. Min/max values for each band in the image. + .. note:: + + This relies on the :py:meth:`~PIL.Image.Image.histogram` method, and + simply returns the low and high bins used. This is correct for + images with 8 bits per channel, but fails for other modes such as + ``I`` or ``F``. Instead, use :py:meth:`~PIL.Image.Image.getextrema` to + return per-band extrema for the image. This is more correct and + efficient because, for non-8-bit modes, the histogram method uses + :py:meth:`~PIL.Image.Image.getextrema` to determine the bins used. + .. py:attribute:: count Total number of pixels for each band in the image. diff --git a/docs/reference/ImageTk.rst b/docs/reference/ImageTk.rst index 7ee4af02980..134ef565188 100644 --- a/docs/reference/ImageTk.rst +++ b/docs/reference/ImageTk.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageTk .. py:currentmodule:: PIL.ImageTk -:py:mod:`ImageTk` Module -======================== +:py:mod:`~PIL.ImageTk` Module +============================= -The :py:mod:`ImageTk` module contains support to create and modify Tkinter +The :py:mod:`~PIL.ImageTk` module contains support to create and modify Tkinter BitmapImage and PhotoImage objects from PIL images. For examples, see the demo programs in the Scripts directory. diff --git a/docs/reference/ImageWin.rst b/docs/reference/ImageWin.rst index 2696e7e991a..2ee3cadb70b 100644 --- a/docs/reference/ImageWin.rst +++ b/docs/reference/ImageWin.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.ImageWin .. py:currentmodule:: PIL.ImageWin -:py:mod:`ImageWin` Module (Windows-only) -======================================== +:py:mod:`~PIL.ImageWin` Module (Windows-only) +============================================= -The :py:mod:`ImageWin` module contains support to create and display images on +The :py:mod:`~PIL.ImageWin` module contains support to create and display images on Windows. ImageWin can be used with PythonWin and other user interface toolkits that @@ -24,6 +24,8 @@ Tkinter makes the window handle available via the winfo_id method: .. autoclass:: PIL.ImageWin.Dib :members: - .. autoclass:: PIL.ImageWin.HDC + :members: + .. autoclass:: PIL.ImageWin.HWND + :members: diff --git a/docs/reference/JpegPresets.rst b/docs/reference/JpegPresets.rst new file mode 100644 index 00000000000..aafae44cf4a --- /dev/null +++ b/docs/reference/JpegPresets.rst @@ -0,0 +1,11 @@ +.. py:currentmodule:: PIL.JpegPresets + +:py:mod:`~PIL.JpegPresets` Module +================================= + +.. automodule:: PIL.JpegPresets + + .. data:: presets + :type: dict + + A dictionary of all supported presets. diff --git a/docs/reference/PSDraw.rst b/docs/reference/PSDraw.rst index 2b5b9b340b3..3e8512e7aa8 100644 --- a/docs/reference/PSDraw.rst +++ b/docs/reference/PSDraw.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.PSDraw .. py:currentmodule:: PIL.PSDraw -:py:mod:`PSDraw` Module -======================= +:py:mod:`~PIL.PSDraw` Module +============================ -The :py:mod:`PSDraw` module provides simple print support for Postscript +The :py:mod:`~PIL.PSDraw` module provides simple print support for PostScript printers. You can print text, graphics and images through this module. .. autoclass:: PIL.PSDraw.PSDraw diff --git a/docs/reference/PixelAccess.rst b/docs/reference/PixelAccess.rst index 5389dab33a8..173a0bcc0e6 100644 --- a/docs/reference/PixelAccess.rst +++ b/docs/reference/PixelAccess.rst @@ -17,17 +17,25 @@ changes it. .. code-block:: python from PIL import Image - im = Image.open('hopper.jpg') - px = im.load() - print (px[4,4]) - px[4,4] = (0,0,0) - print (px[4,4]) + + with Image.open("hopper.jpg") as im: + px = im.load() + print(px[4, 4]) + px[4, 4] = (0, 0, 0) + print(px[4, 4]) Results in the following:: (23, 24, 68) (0, 0, 0) +Access using negative indexes is also possible. + +.. code-block:: python + + px[-1, -1] = (0, 0, 0) + print(px[-1, -1]) + :py:class:`PixelAccess` Class @@ -58,7 +66,8 @@ Results in the following:: Modifies the pixel at x,y. The color is given as a single numerical value for single band images, and a tuple for - multi-band images + multi-band images. In addition to this, RGB and RGBA tuples + are accepted for P images. :param xy: The pixel coordinate, given as (x, y). :param color: The pixel value according to its mode. e.g. tuple (r, g, b) for RGB mode) diff --git a/docs/reference/PyAccess.rst b/docs/reference/PyAccess.rst index 8bd8af9ff67..e77944d2001 100644 --- a/docs/reference/PyAccess.rst +++ b/docs/reference/PyAccess.rst @@ -1,10 +1,10 @@ .. py:module:: PIL.PyAccess .. py:currentmodule:: PIL.PyAccess -:py:mod:`PyAccess` Module -========================= +:py:mod:`~PIL.PyAccess` Module +============================== -The :py:mod:`PyAccess` module provides a CFFI/Python implementation of the :ref:`PixelAccess`. This implementation is far faster on PyPy than the PixelAccess version. +The :py:mod:`~PIL.PyAccess` module provides a CFFI/Python implementation of the :ref:`PixelAccess`. This implementation is far faster on PyPy than the PixelAccess version. .. note:: Accessing individual pixels is fairly slow. If you are looping over all of the pixels in an image, there is likely @@ -18,17 +18,25 @@ The following script loads an image, accesses one pixel from it, then changes it .. code-block:: python from PIL import Image - im = Image.open('hopper.jpg') - px = im.load() - print (px[4,4]) - px[4,4] = (0,0,0) - print (px[4,4]) + + with Image.open("hopper.jpg") as im: + px = im.load() + print(px[4, 4]) + px[4, 4] = (0, 0, 0) + print(px[4, 4]) Results in the following:: (23, 24, 68) (0, 0, 0) +Access using negative indexes is also possible. + +.. code-block:: python + + px[-1, -1] = (0, 0, 0) + print(px[-1, -1]) + :py:class:`PyAccess` Class diff --git a/docs/reference/TiffTags.rst b/docs/reference/TiffTags.rst index 3b261625a02..1441185dd14 100644 --- a/docs/reference/TiffTags.rst +++ b/docs/reference/TiffTags.rst @@ -1,17 +1,17 @@ .. py:module:: PIL.TiffTags .. py:currentmodule:: PIL.TiffTags -:py:mod:`TiffTags` Module -========================= +:py:mod:`~PIL.TiffTags` Module +============================== -The :py:mod:`TiffTags` module exposes many of the standard TIFF +The :py:mod:`~PIL.TiffTags` module exposes many of the standard TIFF metadata tag numbers, names, and type information. .. method:: lookup(tag) :param tag: Integer tag number - :returns: Taginfo namedtuple, From the ``TAGS_V2`` info if possible, - otherwise just populating the value and name from ``TAGS``. + :returns: Taginfo namedtuple, From the :py:data:`~PIL.TiffTags.TAGS_V2` info if possible, + otherwise just populating the value and name from :py:data:`~PIL.TiffTags.TAGS`. If the tag is not recognized, "unknown" is returned for the name .. versionadded:: 3.1.0 @@ -22,7 +22,7 @@ metadata tag numbers, names, and type information. :param value: Integer Tag Number :param name: Tag Name - :param type: Integer type from :py:attr:`PIL.TiffTags.TYPES` + :param type: Integer type from :py:data:`PIL.TiffTags.TYPES` :param length: Array length: 0 == variable, 1 == single value, n = fixed :param enum: Dict of name:integer value options for an enumeration @@ -33,15 +33,17 @@ metadata tag numbers, names, and type information. .. versionadded:: 3.0.0 -.. py:attribute:: PIL.TiffTags.TAGS_V2 +.. py:data:: PIL.TiffTags.TAGS_V2 + :type: dict The ``TAGS_V2`` dictionary maps 16-bit integer tag numbers to - :py:class:`PIL.TagTypes.TagInfo` tuples for metadata fields defined in the TIFF + :py:class:`PIL.TiffTags.TagInfo` tuples for metadata fields defined in the TIFF spec. .. versionadded:: 3.0.0 -.. py:attribute:: PIL.TiffTags.TAGS +.. py:data:: PIL.TiffTags.TAGS + :type: dict The ``TAGS`` dictionary maps 16-bit integer TIFF tag number to descriptive string names. For instance: @@ -50,10 +52,16 @@ metadata tag numbers, names, and type information. >>> TAGS[0x010e] 'ImageDescription' - This dictionary contains a superset of the tags in TAGS_V2, common + This dictionary contains a superset of the tags in :py:data:`~PIL.TiffTags.TAGS_V2`, common EXIF tags, and other well known metadata tags. -.. py:attribute:: PIL.TiffTags.TYPES +.. py:data:: PIL.TiffTags.TYPES + :type: dict The ``TYPES`` dictionary maps the TIFF type short integer to a human readable type name. + +.. py:data:: PIL.TiffTags.LIBTIFF_CORE + :type: list + + A list of supported tag IDs when writing using LibTIFF. diff --git a/docs/reference/block_allocator.rst b/docs/reference/block_allocator.rst index da5b3b8d837..1abe5280fbf 100644 --- a/docs/reference/block_allocator.rst +++ b/docs/reference/block_allocator.rst @@ -8,7 +8,7 @@ Historically there have been two image allocators in Pillow: ``ImagingAllocateBlock`` and ``ImagingAllocateArray``. The first works for images smaller than 16MB of data and allocates one large chunk of memory of ``im->linesize * im->ysize`` bytes. The second works for -large images and make one allocation for each scan line of size +large images and makes one allocation for each scan line of size ``im->linesize`` bytes. This makes for a very sharp transition between one allocation and potentially thousands of small allocations, leading to unpredictable performance penalties around the transition. @@ -40,8 +40,8 @@ variables: * ``PILLOW_BLOCK_SIZE``, in bytes, K, or M. Specifies the maximum block size for ``ImagingAllocateArray``. Valid values are - integers, with an optional `k` or `m` suffix. Defaults to 16M. + integers, with an optional ``k`` or ``m`` suffix. Defaults to 16M. * ``PILLOW_BLOCKS_MAX`` Specifies the number of freed blocks to retain to fill future memory requests. Any freed blocks over this - threshold will be returned to the OS immediately. Defaults to 0. + threshold will be returned to the OS immediately. Defaults to 0. diff --git a/docs/reference/c_extension_debugging.rst b/docs/reference/c_extension_debugging.rst new file mode 100644 index 00000000000..2ba95b8a6bc --- /dev/null +++ b/docs/reference/c_extension_debugging.rst @@ -0,0 +1,470 @@ +C Extension debugging on Linux, with gbd/valgrind. +================================================== + +Install the tools +----------------- + +You need some basics in addition to the basic tools to build +pillow. These are what's required on Ubuntu, YMMV for other +distributions. + +- ``python3-dbg`` package for the gdb extensions and python symbols +- ``gdb`` and ``valgrind`` +- Potentially debug symbols for libraries. On ubuntu they're shipped + in package-dbgsym packages, from a different repo. + +:: + + deb http://ddebs.ubuntu.com focal main restricted universe multiverse + deb http://ddebs.ubuntu.com focal-updates main restricted universe multiverse + deb http://ddebs.ubuntu.com focal-proposed main restricted universe multiverse + +Then ``sudo apt-get update && sudo apt-get install libtiff5-dbgsym`` + +- There's a bug with the dbg package for at least python 3.8 on ubuntu + 20.04, and you need to add a new link or two to make it autoload when + running python: + +:: + + cd /usr/share/gdb/auto-load/usr/bin + ln -s python3.8m-gdb.py python3.8d-gdb.py + +- In Ubuntu 18.04, it's actually including the path to the virtualenv + in the search for the ``python3.*-gdb.py`` file, but you can + helpfully put in the same directory as the binary. + +- I also find that history is really useful for gdb, so I added this to + my ``~/.gdbinit`` file: + +:: + + set history filename ~/.gdb_history + set history save on + +- If the python stack isn't working in gdb, then + ``set debug auto-load`` can also be helpful in ``.gdbinit``. + +- Make a virtualenv with the debug python and activate it, then install + whatever dependencies are required and build. You want to build with + the debug python so you get symbols for your extension. + +:: + + virtualenv -p python3.8-dbg ~/vpy38-dbg + source ~/vpy38-dbg/bin/activate + cd ~/Pillow && pip install -r requirements.txt && make install + +Test Case +--------- + +Take your test image, and make a really simple harness. + +:: + + from PIL import Image + + with Image.open(path) as im: + im.load() + +- Run this through valgrind, but note that python triggers some issues + on its own, so you're looking for items within the Pillow hierarchy + that don't look like they're solely in the python call chain. In this + example, the ones we're interested are after the warnings, and have + ``decode.c`` and ``TiffDecode.c`` in the call stack: + +:: + + (vpy38-dbg) ubuntu@primary:~/Home/tests$ valgrind python test_tiff.py + ==51890== Memcheck, a memory error detector + ==51890== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. + ==51890== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info + ==51890== Command: python test_tiff.py + ==51890== + ==51890== Invalid read of size 4 + ==51890== at 0x472E3D: address_in_range (obmalloc.c:1401) + ==51890== by 0x472EEA: pymalloc_free (obmalloc.c:1677) + ==51890== by 0x474960: _PyObject_Free (obmalloc.c:1896) + ==51890== by 0x473BAC: _PyMem_DebugRawFree (obmalloc.c:2187) + ==51890== by 0x473BD4: _PyMem_DebugFree (obmalloc.c:2318) + ==51890== by 0x474C08: PyObject_Free (obmalloc.c:709) + ==51890== by 0x45DD60: dictresize (dictobject.c:1259) + ==51890== by 0x45DD76: insertion_resize (dictobject.c:1019) + ==51890== by 0x464F30: PyDict_SetDefault (dictobject.c:2924) + ==51890== by 0x4D03BE: PyUnicode_InternInPlace (unicodeobject.c:15289) + ==51890== by 0x4D0700: PyUnicode_InternFromString (unicodeobject.c:15322) + ==51890== by 0x64D2FC: descr_new (descrobject.c:857) + ==51890== Address 0x4c1b020 is 384 bytes inside a block of size 1,160 free'd + ==51890== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x4735D3: _PyMem_RawFree (obmalloc.c:127) + ==51890== by 0x473BAC: _PyMem_DebugRawFree (obmalloc.c:2187) + ==51890== by 0x474941: PyMem_RawFree (obmalloc.c:595) + ==51890== by 0x47496E: _PyObject_Free (obmalloc.c:1898) + ==51890== by 0x473BAC: _PyMem_DebugRawFree (obmalloc.c:2187) + ==51890== by 0x473BD4: _PyMem_DebugFree (obmalloc.c:2318) + ==51890== by 0x474C08: PyObject_Free (obmalloc.c:709) + ==51890== by 0x45DD60: dictresize (dictobject.c:1259) + ==51890== by 0x45DD76: insertion_resize (dictobject.c:1019) + ==51890== by 0x464F30: PyDict_SetDefault (dictobject.c:2924) + ==51890== by 0x4D03BE: PyUnicode_InternInPlace (unicodeobject.c:15289) + ==51890== Block was alloc'd at + ==51890== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x473646: _PyMem_RawMalloc (obmalloc.c:99) + ==51890== by 0x473529: _PyMem_DebugRawAlloc (obmalloc.c:2120) + ==51890== by 0x473565: _PyMem_DebugRawMalloc (obmalloc.c:2153) + ==51890== by 0x4748B1: PyMem_RawMalloc (obmalloc.c:572) + ==51890== by 0x475909: _PyObject_Malloc (obmalloc.c:1628) + ==51890== by 0x473529: _PyMem_DebugRawAlloc (obmalloc.c:2120) + ==51890== by 0x473565: _PyMem_DebugRawMalloc (obmalloc.c:2153) + ==51890== by 0x4736B0: _PyMem_DebugMalloc (obmalloc.c:2303) + ==51890== by 0x474B78: PyObject_Malloc (obmalloc.c:685) + ==51890== by 0x45C435: new_keys_object (dictobject.c:558) + ==51890== by 0x45DA95: dictresize (dictobject.c:1202) + ==51890== + ==51890== Invalid read of size 4 + ==51890== at 0x472E3D: address_in_range (obmalloc.c:1401) + ==51890== by 0x47594A: pymalloc_realloc (obmalloc.c:1929) + ==51890== by 0x475A02: _PyObject_Realloc (obmalloc.c:1982) + ==51890== by 0x473DCA: _PyMem_DebugRawRealloc (obmalloc.c:2240) + ==51890== by 0x473FF8: _PyMem_DebugRealloc (obmalloc.c:2326) + ==51890== by 0x4749FB: PyMem_Realloc (obmalloc.c:623) + ==51890== by 0x44A6FC: list_resize (listobject.c:70) + ==51890== by 0x44A872: app1 (listobject.c:340) + ==51890== by 0x44FD65: PyList_Append (listobject.c:352) + ==51890== by 0x514315: r_ref (marshal.c:945) + ==51890== by 0x516034: r_object (marshal.c:1139) + ==51890== by 0x516C70: r_object (marshal.c:1389) + ==51890== Address 0x4c41020 is 32 bytes before a block of size 1,600 in arena "client" + ==51890== + ==51890== Conditional jump or move depends on uninitialised value(s) + ==51890== at 0x472E46: address_in_range (obmalloc.c:1403) + ==51890== by 0x47594A: pymalloc_realloc (obmalloc.c:1929) + ==51890== by 0x475A02: _PyObject_Realloc (obmalloc.c:1982) + ==51890== by 0x473DCA: _PyMem_DebugRawRealloc (obmalloc.c:2240) + ==51890== by 0x473FF8: _PyMem_DebugRealloc (obmalloc.c:2326) + ==51890== by 0x4749FB: PyMem_Realloc (obmalloc.c:623) + ==51890== by 0x44A6FC: list_resize (listobject.c:70) + ==51890== by 0x44A872: app1 (listobject.c:340) + ==51890== by 0x44FD65: PyList_Append (listobject.c:352) + ==51890== by 0x5E3321: _posix_listdir (posixmodule.c:3823) + ==51890== by 0x5E33A8: os_listdir_impl (posixmodule.c:3879) + ==51890== by 0x5E4D77: os_listdir (posixmodule.c.h:1197) + ==51890== + ==51890== Use of uninitialised value of size 8 + ==51890== at 0x472E59: address_in_range (obmalloc.c:1403) + ==51890== by 0x47594A: pymalloc_realloc (obmalloc.c:1929) + ==51890== by 0x475A02: _PyObject_Realloc (obmalloc.c:1982) + ==51890== by 0x473DCA: _PyMem_DebugRawRealloc (obmalloc.c:2240) + ==51890== by 0x473FF8: _PyMem_DebugRealloc (obmalloc.c:2326) + ==51890== by 0x4749FB: PyMem_Realloc (obmalloc.c:623) + ==51890== by 0x44A6FC: list_resize (listobject.c:70) + ==51890== by 0x44A872: app1 (listobject.c:340) + ==51890== by 0x44FD65: PyList_Append (listobject.c:352) + ==51890== by 0x5E3321: _posix_listdir (posixmodule.c:3823) + ==51890== by 0x5E33A8: os_listdir_impl (posixmodule.c:3879) + ==51890== by 0x5E4D77: os_listdir (posixmodule.c.h:1197) + ==51890== + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 16908288 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67895296 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1572864 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 116647 bytes but only got 4867. Skipping tag 42738 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 3468830728 bytes but only got 4851. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 2198732800 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67239937 bytes but only got 4125. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33947764 bytes but only got 0. Skipping tag 139 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 17170432 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 80478208 bytes but only got 0. Skipping tag 1 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 787460 bytes but only got 4882. Skipping tag 20 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1075 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 120586240 bytes but only got 0. Skipping tag 194 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 65536 bytes but only got 0. Skipping tag 3 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 198656 bytes but only got 0. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 206848 bytes but only got 0. Skipping tag 64512 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 130968 bytes but only got 4882. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 77848 bytes but only got 4689. Skipping tag 64270 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 262156 bytes but only got 0. Skipping tag 257 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33624064 bytes but only got 0. Skipping tag 49152 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67178752 bytes but only got 4627. Skipping tag 50688 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33632768 bytes but only got 0. Skipping tag 56320 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 134386688 bytes but only got 4115. Skipping tag 2048 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33912832 bytes but only got 0. Skipping tag 7168 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 151966208 bytes but only got 4627. Skipping tag 10240 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 119032832 bytes but only got 3859. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 46535680 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 35651584 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 524288 bytes but only got 0. Skipping tag 0 + warnings.warn( + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + ZIPDecode: Decoding error at scanline 0, incorrect header check. + ==51890== Invalid write of size 4 + ==51890== at 0x61C39E6: putcontig8bitYCbCr22tile (tif_getimage.c:2146) + ==51890== by 0x61C5865: gtStripContig (tif_getimage.c:977) + ==51890== by 0x6094317: ReadStrip (TiffDecode.c:269) + ==51890== by 0x6094749: ImagingLibTiffDecode (TiffDecode.c:479) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== Address 0x6f456d4 is 0 bytes after a block of size 68 alloc'd + ==51890== at 0x483DFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x60946D0: ImagingLibTiffDecode (TiffDecode.c:469) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x4DFDFB: _PyEval_EvalCodeWithName (ceval.c:4298) + ==51890== by 0x436C40: _PyFunction_Vectorcall (call.c:435) + ==51890== + ==51890== Invalid write of size 4 + ==51890== at 0x61C39B5: putcontig8bitYCbCr22tile (tif_getimage.c:2145) + ==51890== by 0x61C5865: gtStripContig (tif_getimage.c:977) + ==51890== by 0x6094317: ReadStrip (TiffDecode.c:269) + ==51890== by 0x6094749: ImagingLibTiffDecode (TiffDecode.c:479) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== Address 0x6f456d8 is 4 bytes after a block of size 68 alloc'd + ==51890== at 0x483DFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) + ==51890== by 0x60946D0: ImagingLibTiffDecode (TiffDecode.c:469) + ==51890== by 0x60615D1: _decode (decode.c:136) + ==51890== by 0x64BF47: method_vectorcall_VARARGS (descrobject.c:300) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x43627B: function_code_fastcall (call.c:283) + ==51890== by 0x436D21: _PyFunction_Vectorcall (call.c:410) + ==51890== by 0x4EB73C: _PyObject_Vectorcall (abstract.h:127) + ==51890== by 0x4EB73C: call_function (ceval.c:4963) + ==51890== by 0x4EB73C: _PyEval_EvalFrameDefault (ceval.c:3486) + ==51890== by 0x4DF2EE: PyEval_EvalFrameEx (ceval.c:741) + ==51890== by 0x4DFDFB: _PyEval_EvalCodeWithName (ceval.c:4298) + ==51890== by 0x436C40: _PyFunction_Vectorcall (call.c:435) + ==51890== + TIFFFillStrip: Invalid strip byte count 0, strip 1. + Traceback (most recent call last): + File "test_tiff.py", line 8, in + im.load() + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1087, in load + return self._load_libtiff() + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1191, in _load_libtiff + raise OSError(err) + OSError: -2 + sys:1: ResourceWarning: unclosed file <_io.BufferedReader name='crash-2020-10-test.tiff'> + ==51890== + ==51890== HEAP SUMMARY: + ==51890== in use at exit: 748,734 bytes in 444 blocks + ==51890== total heap usage: 6,320 allocs, 5,876 frees, 69,142,969 bytes allocated + ==51890== + ==51890== LEAK SUMMARY: + ==51890== definitely lost: 0 bytes in 0 blocks + ==51890== indirectly lost: 0 bytes in 0 blocks + ==51890== possibly lost: 721,538 bytes in 372 blocks + ==51890== still reachable: 27,196 bytes in 72 blocks + ==51890== suppressed: 0 bytes in 0 blocks + ==51890== Rerun with --leak-check=full to see details of leaked memory + ==51890== + ==51890== Use --track-origins=yes to see where uninitialised values come from + ==51890== For lists of detected and suppressed errors, rerun with: -s + ==51890== ERROR SUMMARY: 2556 errors from 6 contexts (suppressed: 0 from 0) + (vpy38-dbg) ubuntu@primary:~/Home/tests$ + +- Now that we've confirmed that there's something odd/bad going on, + it's time to gdb. +- Start with ``gdb python`` +- Set a break point starting with the valgrind stack trace. + ``b TiffDecode.c:269`` +- Run the script with ``r test_tiff.py`` +- When the break point is hit, explore the state with ``info locals``, + ``bt``, ``py-bt``, or ``p [variable]``. For pointers, + ``p *[variable]`` is useful. + +:: + + (vpy38-dbg) ubuntu@primary:~/Home/tests$ gdb python + GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2 + Copyright (C) 2020 Free Software Foundation, Inc. + License GPLv3+: GNU GPL version 3 or later + This is free software: you are free to change and redistribute it. + There is NO WARRANTY, to the extent permitted by law. + Type "show copying" and "show warranty" for details. + This GDB was configured as "x86_64-linux-gnu". + Type "show configuration" for configuration details. + For bug reporting instructions, please see: + . + Find the GDB manual and other documentation resources online at: + . + + For help, type "help". + Type "apropos word" to search for commands related to "word"... + Reading symbols from python... + (gdb) b TiffDecode.c:269 + No source file named TiffDecode.c. + Make breakpoint pending on future shared library load? (y or [n]) y + Breakpoint 1 (TiffDecode.c:269) pending. + (gdb) r test_tiff.py + Starting program: /home/ubuntu/vpy38-dbg/bin/python test_tiff.py + [Thread debugging using libthread_db enabled] + Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 16908288 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67895296 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1572864 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 116647 bytes but only got 4867. Skipping tag 42738 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 3468830728 bytes but only got 4851. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 2198732800 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67239937 bytes but only got 4125. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33947764 bytes but only got 0. Skipping tag 139 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 17170432 bytes but only got 0. Skipping tag 0 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 80478208 bytes but only got 0. Skipping tag 1 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 787460 bytes but only got 4882. Skipping tag 20 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 1075 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 120586240 bytes but only got 0. Skipping tag 194 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 65536 bytes but only got 0. Skipping tag 3 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 198656 bytes but only got 0. Skipping tag 279 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 206848 bytes but only got 0. Skipping tag 64512 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 130968 bytes but only got 4882. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 77848 bytes but only got 4689. Skipping tag 64270 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 262156 bytes but only got 0. Skipping tag 257 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33624064 bytes but only got 0. Skipping tag 49152 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 67178752 bytes but only got 4627. Skipping tag 50688 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33632768 bytes but only got 0. Skipping tag 56320 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 134386688 bytes but only got 4115. Skipping tag 2048 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 33912832 bytes but only got 0. Skipping tag 7168 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 151966208 bytes but only got 4627. Skipping tag 10240 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 119032832 bytes but only got 3859. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 46535680 bytes but only got 0. Skipping tag 256 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 35651584 bytes but only got 0. Skipping tag 42 + warnings.warn( + /home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py:770: UserWarning: Possibly corrupt EXIF data. Expecting to read 524288 bytes but only got 0. Skipping tag 0 + warnings.warn( + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 769" (type 1, writecount -3, passcount 1). + _TIFFVSetField: tempfile.tif: Null count for "Tag 42754" (type 1, writecount -3, passcount 1). + + Breakpoint 1, ReadStrip (tiff=tiff@entry=0xae9b90, row=0, buffer=0xac2eb0) at src/libImaging/TiffDecode.c:269 + 269 ok = TIFFRGBAImageGet(&img, buffer, img.width, rows_to_read); + (gdb) p img + $1 = {tif = 0xae9b90, stoponerr = 0, isContig = 1, alpha = 0, width = 20, height = 1536, bitspersample = 8, samplesperpixel = 3, + orientation = 1, req_orientation = 1, photometric = 6, redcmap = 0x0, greencmap = 0x0, bluecmap = 0x0, get = + 0x7ffff71d0710 , put = {any = 0x7ffff71ce550 , + contig = 0x7ffff71ce550 , separate = 0x7ffff71ce550 }, Map = 0x0, + BWmap = 0x0, PALmap = 0x0, ycbcr = 0xaf24b0, cielab = 0x0, UaToAa = 0x0, Bitdepth16To8 = 0x0, row_offset = 0, col_offset = 0} + (gdb) up + #1 0x00007ffff736174a in ImagingLibTiffDecode (im=0xac1f90, state=0x7ffff76767e0, buffer=, bytes=) + at src/libImaging/TiffDecode.c:479 + 479 if (ReadStrip(tiff, state->y, (UINT32 *)state->buffer) == -1) { + (gdb) p *state + $2 = {count = 0, state = 0, errcode = 0, x = 0, y = 0, ystep = 0, xsize = 17, ysize = 108, xoff = 0, yoff = 0, + shuffle = 0x7ffff735f411 , bits = 32, bytes = 68, buffer = 0xac2eb0 "P\354\336\367\377\177", context = 0xa75440, fd = 0x0} + (gdb) py-bt + Traceback (most recent call first): + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1428, in _load_libtiff + + File "/home/ubuntu/vpy38-dbg/lib/python3.8/site-packages/Pillow-8.0.1-py3.8-linux-x86_64.egg/PIL/TiffImagePlugin.py", line 1087, in load + return self._load_libtiff() + File "test_tiff.py", line 8, in + im.load() + +- Poke around till you understand what's going on. In this case, + state->xsize and img.width are different, which led to an out of + bounds write, as the receiving buffer was sized for the smaller of + the two. + +Caveats +------- + +- If your program is running/hung in a docker container and your host + has the appropriate tools, you can run gdb as the superuser in the + host and you may be able to get a trace of where the process is hung. + You probably won't have the capability to do that from within the + docker container, as the trace capacity isn't allowed by default. + +- Variations of this are possible on the mac/windows, but the details + are going to be different. + +- IIRC, Fedora has the gdb bits working by default. Ubuntu has always + been a bit of a battle to make it work. diff --git a/docs/reference/features.rst b/docs/reference/features.rst new file mode 100644 index 00000000000..0a6381098da --- /dev/null +++ b/docs/reference/features.rst @@ -0,0 +1,66 @@ +.. py:module:: PIL.features +.. py:currentmodule:: PIL.features + +:py:mod:`~PIL.features` Module +============================== + +The :py:mod:`PIL.features` module can be used to detect which Pillow features are available on your system. + +.. autofunction:: PIL.features.pilinfo +.. autofunction:: PIL.features.check +.. autofunction:: PIL.features.version +.. autofunction:: PIL.features.get_supported + +Modules +------- + +Support for the following modules can be checked: + +* ``pil``: The Pillow core module, required for all functionality. +* ``tkinter``: Tkinter support. +* ``freetype2``: FreeType font support via :py:func:`PIL.ImageFont.truetype`. +* ``littlecms2``: LittleCMS 2 support via :py:mod:`PIL.ImageCms`. +* ``webp``: WebP image support. + +.. autofunction:: PIL.features.check_module +.. autofunction:: PIL.features.version_module +.. autofunction:: PIL.features.get_supported_modules + +Codecs +------ + +Support for these is only checked during Pillow compilation. +If the required library was uninstalled from the system, the ``pil`` core module may fail to load instead. +Except for ``jpg``, the version number is checked at run-time. + +Support for the following codecs can be checked: + +* ``jpg``: (compile time) Libjpeg support, required for JPEG based image formats. Only compile time version number is available. +* ``jpg_2000``: (compile time) OpenJPEG support, required for JPEG 2000 image formats. +* ``zlib``: (compile time) Zlib support, required for zlib compressed formats, such as PNG. +* ``libtiff``: (compile time) LibTIFF support, required for TIFF based image formats. + +.. autofunction:: PIL.features.check_codec +.. autofunction:: PIL.features.version_codec +.. autofunction:: PIL.features.get_supported_codecs + +Features +-------- + +Some of these are only checked during Pillow compilation. +If the required library was uninstalled from the system, the relevant module may fail to load instead. +Feature version numbers are available only where stated. + +Support for the following features can be checked: + +* ``libjpeg_turbo``: (compile time) Whether Pillow was compiled against the libjpeg-turbo version of libjpeg. Compile-time version number is available. +* ``transp_webp``: Support for transparency in WebP images. +* ``webp_mux``: (compile time) Support for EXIF data in WebP images. +* ``webp_anim``: (compile time) Support for animated WebP images. +* ``raqm``: Raqm library, required for ``ImageFont.LAYOUT_RAQM`` in :py:func:`PIL.ImageFont.truetype`. Run-time version number is available for Raqm 0.7.0 or newer. +* ``libimagequant``: (compile time) ImageQuant quantization support in :py:func:`PIL.Image.Image.quantize`. Run-time version number is available. +* ``xcb``: (compile time) Support for X11 in :py:func:`PIL.ImageGrab.grab` via the XCB library. + +.. autofunction:: PIL.features.check_feature +.. autofunction:: PIL.features.version_feature +.. autofunction:: PIL.features.get_supported_features diff --git a/docs/reference/index.rst b/docs/reference/index.rst index 8c09e7b67f7..5d6affa94ad 100644 --- a/docs/reference/index.rst +++ b/docs/reference/index.rst @@ -7,8 +7,8 @@ Reference Image ImageChops - ImageColor ImageCms + ImageColor ImageDraw ImageEnhance ImageFile @@ -22,14 +22,17 @@ Reference ImagePath ImageQt ImageSequence + ImageShow ImageStat ImageTk ImageWin ExifTags TiffTags + JpegPresets PSDraw PixelAccess PyAccess + features ../PIL plugins internal_design diff --git a/docs/reference/internal_design.rst b/docs/reference/internal_design.rst index 4c0fbb85d50..2e2d3322f75 100644 --- a/docs/reference/internal_design.rst +++ b/docs/reference/internal_design.rst @@ -3,8 +3,9 @@ Internal Reference Docs .. toctree:: :maxdepth: 2 - + open_files limits block_allocator - + internal_modules + c_extension_debugging diff --git a/docs/reference/internal_modules.rst b/docs/reference/internal_modules.rst new file mode 100644 index 00000000000..1105ff76e1f --- /dev/null +++ b/docs/reference/internal_modules.rst @@ -0,0 +1,47 @@ +Internal Modules +================ + +:mod:`~PIL._binary` Module +-------------------------- + +.. automodule:: PIL._binary + :members: + :undoc-members: + :show-inheritance: + +:mod:`~PIL._tkinter_finder` Module +---------------------------------- + +.. automodule:: PIL._tkinter_finder + :members: + :undoc-members: + :show-inheritance: + +:mod:`~PIL._util` Module +------------------------ + +.. automodule:: PIL._util + :members: + :undoc-members: + :show-inheritance: + +:mod:`~PIL._version` Module +--------------------------- + +.. module:: PIL._version + +.. data:: __version__ + :annotation: + :type: str + + This is the master version number for Pillow, + all other uses reference this module. + +:mod:`PIL.Image.core` Module +---------------------------- + +.. module:: PIL._imaging +.. module:: PIL.Image.core + +An internal interface module previously known as :mod:`~PIL._imaging`, +implemented in :file:`_imaging.c`. diff --git a/docs/reference/limits.rst b/docs/reference/limits.rst index 79dc66e6779..a71b514b5aa 100644 --- a/docs/reference/limits.rst +++ b/docs/reference/limits.rst @@ -25,13 +25,6 @@ Internal Limits is smaller than 2GB, as calculated by ``y*stride`` (so 2Gpx for 'L' images, and .5Gpx for 'RGB' -* Any call to internal python size functions for buffers or strings - are currently returned as int32, not py_ssize_t. This limits the - maximum buffer to 2GB for operations like frombytes and frombuffer. - -* This also limits the size of buffers converted using a - decoder. (decode.c:127) - Format Size Limits ================== diff --git a/docs/reference/open_files.rst b/docs/reference/open_files.rst index 143eb7209fd..6bfd50588ab 100644 --- a/docs/reference/open_files.rst +++ b/docs/reference/open_files.rst @@ -1,115 +1,102 @@ +.. _file-handling: + File Handling in Pillow ======================= -When opening a file as an image, Pillow requires a filename, -pathlib.Path object, or a file-like object. Pillow uses the filename -or Path to open a file, so for the rest of this article, they will all -be treated as a file-like object. +When opening a file as an image, Pillow requires a filename, ``pathlib.Path`` +object, or a file-like object. Pillow uses the filename or ``Path`` to open a +file, so for the rest of this article, they will all be treated as a file-like +object. -The first four of these items are equivalent, the last is dangerous -and may fail:: +The following are all equivalent:: from PIL import Image import io import pathlib - - im = Image.open('test.jpg') - - im2 = Image.open(pathlib.Path('test.jpg')) - f = open('test.jpg', 'rb') - im3 = Image.open(f) - - with open('test.jpg', 'rb') as f: - im4 = Image.open(io.BytesIO(f.read())) + with Image.open("test.jpg") as im: + ... - # Dangerous FAIL: - with open('test.jpg', 'rb') as f: - im5 = Image.open(f) - im5.load() # FAILS, closed file + with Image.open(pathlib.Path("test.jpg")) as im2: + ... -The documentation specifies that the file will be closed after the -``Image.Image.load()`` method is called. This is an aspirational -specification rather than an accurate reflection of the state of the -code. + with open("test.jpg", "rb") as f: + im3 = Image.open(f) + ... -Pillow cannot in general close and reopen a file, so any access to -that file needs to be prior to the close. - -Issues ------- + with open("test.jpg", "rb") as f: + im4 = Image.open(io.BytesIO(f.read())) + ... -The current open file handling is inconsistent at best: +If a filename or a path-like object is passed to Pillow, then the resulting +file object opened by Pillow may also be closed by Pillow after the +``Image.Image.load()`` method is called, provided the associated image does not +have multiple frames. -* Most of the image plugins do not close the input file. -* Multi-frame images behave badly when seeking through the file, as - it's legal to seek backward in the file until the last image is - read, and then it's not. -* Using the file context manager to provide a file-like object to - Pillow is dangerous unless the context of the image is limited to - the context of the file. +Pillow cannot in general close and reopen a file, so any access to +that file needs to be prior to the close. Image Lifecycle --------------- -* ``Image.open()`` called. Path-like objects are opened as a - file. Metadata is read from the open file. The file is left open for - further usage. +* ``Image.open()`` Filenames and ``Path`` objects are opened as a file. + Metadata is read from the open file. The file is left open for further usage. -* ``Image.Image.load()`` when the pixel data from the image is +* ``Image.Image.load()`` When the pixel data from the image is required, ``load()`` is called. The current frame is read into memory. The image can now be used independently of the underlying - image file. + image file. + + Any Pillow method that creates a new image instance based on another will + internally call ``load()`` on the original image and then read the data. + The new image instance will not be associated with the original image file. + + If a filename or a ``Path`` object was passed to ``Image.open()``, then the + file object was opened by Pillow and is considered to be used exclusively by + Pillow. So if the image is a single-frame image, the file will be closed in + this method after the frame is read. If the image is a multi-frame image, + (e.g. multipage TIFF and animated GIF) the image file is left open so that + ``Image.Image.seek()`` can load the appropriate frame. + +* ``Image.Image.close()`` Closes the file and destroys the core image object. -* ``Image.Image.seek()`` in the case of multi-frame images - (e.g. multipage TIFF and animated GIF) the image file left open so - that seek can load the appropriate frame. When the last frame is - read, the image file is closed (at least in some image plugins), and - no more seeks can occur. + The Pillow context manager will also close the file, but will not destroy + the core image object. e.g.: -* ``Image.Image.close()`` Closes the file pointer and destroys the - core image object. This is used in the Pillow context manager - support. e.g.:: +.. code-block:: python - with Image.open('test.jpg') as img: - ... # image operations here. + with Image.open("test.jpg") as img: + img.load() + assert img.fp is None + img.save("test.png") -The lifecycle of a single frame image is relatively simple. The file -must remain open until the ``load()`` or ``close()`` function is -called. +The lifecycle of a single-frame image is relatively simple. The file must +remain open until the ``load()`` or ``close()`` function is called or the +context manager exits. Multi-frame images are more complicated. The ``load()`` method is not -a terminal method, so it should not close the underlying file. The -current behavior of ``seek()`` closing the underlying file on -accessing the last frame is presumably a heuristic for closing the -file after iterating through the entire sequence. In general, Pillow -does not know if there are going to be any requests for additional -data until the caller has explicitly closed the image. +a terminal method, so it should not close the underlying file. In general, +Pillow does not know if there are going to be any requests for additional +data until the caller has explicitly closed the image. Complications ------------- -* TiffImagePlugin has some code to pass the underlying file descriptor - into libtiff (if working on an actual file). Since libtiff closes - the file descriptor internally, it is duplicated prior to passing it - into libtiff. +* ``TiffImagePlugin`` has some code to pass the underlying file descriptor into + libtiff (if working on an actual file). Since libtiff closes the file + descriptor internally, it is duplicated prior to passing it into libtiff. -* ``decoder.handles_eof`` This slightly misnamed flag indicates that - the decoder wants to be called with a 0 length buffer when reads are - done. Despite the comments in ``ImageFile.load()``, the only decoder - that actually uses this flag is the Jpeg2K decoder. The use of this - flag in Jpeg2K predated the change to the decoder that added the - pulls_fd flag, and is therefore not used. +* After a file has been closed, operations that require file access will fail:: -* I don't think that there's any way to make this safe without - changing the lazy loading:: - - # Dangerous FAIL: - with open('test.jpg', 'rb') as f: + with open("test.jpg", "rb") as f: im5 = Image.open(f) - im5.load() # FAILS, closed file + im5.load() # FAILS, closed file + + with Image.open("test.jpg") as im6: + pass + im6.load() # FAILS, closed file Proposed File Handling @@ -118,8 +105,8 @@ Proposed File Handling * ``Image.Image.load()`` should close the image file, unless there are multiple frames. -* ``Image.Image.seek()`` should never close the image file. - -* Users of the library should call ``Image.Image.close()`` on any - multi-frame image to ensure that the underlying file is closed. +* ``Image.Image.seek()`` should never close the image file. +* Users of the library should use a context manager or call + ``Image.Image.close()`` on any image opened with a filename or ``Path`` + object to ensure that the underlying file is closed. diff --git a/docs/reference/plugins.rst b/docs/reference/plugins.rst index 46f657fce57..7094f87846c 100644 --- a/docs/reference/plugins.rst +++ b/docs/reference/plugins.rst @@ -1,340 +1,332 @@ Plugin reference ================ -:mod:`BmpImagePlugin` Module ----------------------------- +:mod:`~PIL.BmpImagePlugin` Module +--------------------------------- .. automodule:: PIL.BmpImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`BufrStubImagePlugin` Module ---------------------------------- +:mod:`~PIL.BufrStubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.BufrStubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`CurImagePlugin` Module ----------------------------- +:mod:`~PIL.CurImagePlugin` Module +--------------------------------- .. automodule:: PIL.CurImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`DcxImagePlugin` Module ----------------------------- +:mod:`~PIL.DcxImagePlugin` Module +--------------------------------- .. automodule:: PIL.DcxImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`EpsImagePlugin` Module ----------------------------- +:mod:`~PIL.EpsImagePlugin` Module +--------------------------------- .. automodule:: PIL.EpsImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`FitsStubImagePlugin` Module ---------------------------------- +:mod:`~PIL.FitsStubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.FitsStubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`FliImagePlugin` Module ----------------------------- +:mod:`~PIL.FliImagePlugin` Module +--------------------------------- .. automodule:: PIL.FliImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`FpxImagePlugin` Module ----------------------------- +:mod:`~PIL.FpxImagePlugin` Module +--------------------------------- .. automodule:: PIL.FpxImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`GbrImagePlugin` Module ----------------------------- +:mod:`~PIL.GbrImagePlugin` Module +--------------------------------- .. automodule:: PIL.GbrImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`GifImagePlugin` Module ----------------------------- +:mod:`~PIL.GifImagePlugin` Module +--------------------------------- .. automodule:: PIL.GifImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`GribStubImagePlugin` Module ---------------------------------- +:mod:`~PIL.GribStubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.GribStubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`Hdf5StubImagePlugin` Module ---------------------------------- +:mod:`~PIL.Hdf5StubImagePlugin` Module +-------------------------------------- .. automodule:: PIL.Hdf5StubImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`IcnsImagePlugin` Module ------------------------------ +:mod:`~PIL.IcnsImagePlugin` Module +---------------------------------- .. automodule:: PIL.IcnsImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`IcoImagePlugin` Module ----------------------------- +:mod:`~PIL.IcoImagePlugin` Module +--------------------------------- .. automodule:: PIL.IcoImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`ImImagePlugin` Module ---------------------------- +:mod:`~PIL.ImImagePlugin` Module +-------------------------------- .. automodule:: PIL.ImImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`ImtImagePlugin` Module ----------------------------- +:mod:`~PIL.ImtImagePlugin` Module +--------------------------------- .. automodule:: PIL.ImtImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`IptcImagePlugin` Module ------------------------------ +:mod:`~PIL.IptcImagePlugin` Module +---------------------------------- .. automodule:: PIL.IptcImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`JpegImagePlugin` Module ------------------------------ +:mod:`~PIL.JpegImagePlugin` Module +---------------------------------- .. automodule:: PIL.JpegImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`Jpeg2KImagePlugin` Module -------------------------------- +:mod:`~PIL.Jpeg2KImagePlugin` Module +------------------------------------ .. automodule:: PIL.Jpeg2KImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`McIdasImagePlugin` Module -------------------------------- +:mod:`~PIL.McIdasImagePlugin` Module +------------------------------------ .. automodule:: PIL.McIdasImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`MicImagePlugin` Module ----------------------------- +:mod:`~PIL.MicImagePlugin` Module +--------------------------------- .. automodule:: PIL.MicImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`MpegImagePlugin` Module ------------------------------ +:mod:`~PIL.MpegImagePlugin` Module +---------------------------------- .. automodule:: PIL.MpegImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`MspImagePlugin` Module ----------------------------- +:mod:`~PIL.MspImagePlugin` Module +--------------------------------- .. automodule:: PIL.MspImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PalmImagePlugin` Module ------------------------------ +:mod:`~PIL.PalmImagePlugin` Module +---------------------------------- .. automodule:: PIL.PalmImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PcdImagePlugin` Module ----------------------------- +:mod:`~PIL.PcdImagePlugin` Module +--------------------------------- .. automodule:: PIL.PcdImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PcxImagePlugin` Module ----------------------------- +:mod:`~PIL.PcxImagePlugin` Module +--------------------------------- .. automodule:: PIL.PcxImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PdfImagePlugin` Module ----------------------------- +:mod:`~PIL.PdfImagePlugin` Module +--------------------------------- .. automodule:: PIL.PdfImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PixarImagePlugin` Module ------------------------------- +:mod:`~PIL.PixarImagePlugin` Module +----------------------------------- .. automodule:: PIL.PixarImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PngImagePlugin` Module ----------------------------- +:mod:`~PIL.PngImagePlugin` Module +--------------------------------- .. automodule:: PIL.PngImagePlugin - :members: ChunkStream, PngImageFile, PngStream, getchunks, is_cid, putchunk - :show-inheritance: -.. autoclass:: PIL.PngImagePlugin.ChunkStream - :members: - :undoc-members: - :show-inheritance: -.. autoclass:: PIL.PngImagePlugin.PngImageFile - :members: - :undoc-members: - :show-inheritance: -.. autoclass:: PIL.PngImagePlugin.PngStream - :members: + :members: ChunkStream, PngImageFile, PngStream, getchunks, is_cid, putchunk, + MAX_TEXT_CHUNK, MAX_TEXT_MEMORY, APNG_BLEND_OP_SOURCE, APNG_BLEND_OP_OVER, + APNG_DISPOSE_OP_NONE, APNG_DISPOSE_OP_BACKGROUND, APNG_DISPOSE_OP_PREVIOUS :undoc-members: :show-inheritance: + :member-order: groupwise -:mod:`PpmImagePlugin` Module ----------------------------- +:mod:`~PIL.PpmImagePlugin` Module +--------------------------------- .. automodule:: PIL.PpmImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`PsdImagePlugin` Module ----------------------------- +:mod:`~PIL.PsdImagePlugin` Module +--------------------------------- .. automodule:: PIL.PsdImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`SgiImagePlugin` Module ----------------------------- +:mod:`~PIL.SgiImagePlugin` Module +--------------------------------- .. automodule:: PIL.SgiImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`SpiderImagePlugin` Module -------------------------------- +:mod:`~PIL.SpiderImagePlugin` Module +------------------------------------ .. automodule:: PIL.SpiderImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`SunImagePlugin` Module ----------------------------- +:mod:`~PIL.SunImagePlugin` Module +--------------------------------- .. automodule:: PIL.SunImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`TgaImagePlugin` Module ----------------------------- +:mod:`~PIL.TgaImagePlugin` Module +--------------------------------- .. automodule:: PIL.TgaImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`TiffImagePlugin` Module ------------------------------ +:mod:`~PIL.TiffImagePlugin` Module +---------------------------------- .. automodule:: PIL.TiffImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`WebPImagePlugin` Module ------------------------------ +:mod:`~PIL.WebPImagePlugin` Module +---------------------------------- .. automodule:: PIL.WebPImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`WmfImagePlugin` Module ----------------------------- +:mod:`~PIL.WmfImagePlugin` Module +--------------------------------- .. automodule:: PIL.WmfImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`XVThumbImagePlugin` Module --------------------------------- +:mod:`~PIL.XVThumbImagePlugin` Module +------------------------------------- .. automodule:: PIL.XVThumbImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`XbmImagePlugin` Module ----------------------------- +:mod:`~PIL.XbmImagePlugin` Module +--------------------------------- .. automodule:: PIL.XbmImagePlugin :members: :undoc-members: :show-inheritance: -:mod:`XpmImagePlugin` Module ----------------------------- +:mod:`~PIL.XpmImagePlugin` Module +--------------------------------- .. automodule:: PIL.XpmImagePlugin :members: diff --git a/docs/releasenotes/2.7.0.rst b/docs/releasenotes/2.7.0.rst index 4bb25e37104..660d331640c 100644 --- a/docs/releasenotes/2.7.0.rst +++ b/docs/releasenotes/2.7.0.rst @@ -14,7 +14,7 @@ Png text chunk size limits To prevent potential denial of service attacks using compressed text chunks, there are now limits to the decompressed size of text chunks decoded from PNG images. If the limits are exceeded when opening a PNG -image a ``ValueError`` will be raised. +image a :py:exc:`ValueError` will be raised. Individual text chunks are limited to :py:attr:`PIL.PngImagePlugin.MAX_TEXT_CHUNK`, set to 1MB by @@ -27,55 +27,55 @@ Image resizing filters ---------------------- Image resizing methods :py:meth:`~PIL.Image.Image.resize` and -:py:meth:`~PIL.Image.Image.thumbnail` take a `resample` argument, which tells +:py:meth:`~PIL.Image.Image.thumbnail` take a ``resample`` argument, which tells which filter should be used for resampling. Possible values are: -:py:attr:`PIL.Image.NEAREST`, :py:attr:`PIL.Image.BILINEAR`, -:py:attr:`PIL.Image.BICUBIC` and :py:attr:`PIL.Image.ANTIALIAS`. +:py:data:`PIL.Image.NEAREST`, :py:data:`PIL.Image.BILINEAR`, +:py:data:`PIL.Image.BICUBIC` and :py:data:`PIL.Image.ANTIALIAS`. Almost all of them were changed in this version. Bicubic and bilinear downscaling ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -From the beginning :py:attr:`~PIL.Image.BILINEAR` and -:py:attr:`~PIL.Image.BICUBIC` filters were based on affine transformations +From the beginning :py:data:`~PIL.Image.BILINEAR` and +:py:data:`~PIL.Image.BICUBIC` filters were based on affine transformations and used a fixed number of pixels from the source image for every destination -pixel (2x2 pixels for :py:attr:`~PIL.Image.BILINEAR` and 4x4 for -:py:attr:`~PIL.Image.BICUBIC`). This gave an unsatisfactory result for +pixel (2x2 pixels for :py:data:`~PIL.Image.BILINEAR` and 4x4 for +:py:data:`~PIL.Image.BICUBIC`). This gave an unsatisfactory result for downscaling. At the same time, a high quality convolutions-based algorithm with -flexible kernel was used for :py:attr:`~PIL.Image.ANTIALIAS` filter. +flexible kernel was used for :py:data:`~PIL.Image.ANTIALIAS` filter. Starting from Pillow 2.7.0, a high quality convolutions-based algorithm is used for all of these three filters. If you have previously used any tricks to maintain quality when downscaling with -:py:attr:`~PIL.Image.BILINEAR` and :py:attr:`~PIL.Image.BICUBIC` filters +:py:data:`~PIL.Image.BILINEAR` and :py:data:`~PIL.Image.BICUBIC` filters (for example, reducing within several steps), they are unnecessary now. Antialias renamed to Lanczos ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -A new :py:attr:`PIL.Image.LANCZOS` constant was added instead of -:py:attr:`~PIL.Image.ANTIALIAS`. +A new :py:data:`PIL.Image.LANCZOS` constant was added instead of +:py:data:`~PIL.Image.ANTIALIAS`. -When :py:attr:`~PIL.Image.ANTIALIAS` was initially added, it was the only +When :py:data:`~PIL.Image.ANTIALIAS` was initially added, it was the only high-quality filter based on convolutions. It's name was supposed to reflect this. Starting from Pillow 2.7.0 all resize method are based on convolutions. All of them are antialias from now on. And the real name of the -:py:attr:`~PIL.Image.ANTIALIAS` filter is Lanczos filter. +:py:data:`~PIL.Image.ANTIALIAS` filter is Lanczos filter. -The :py:attr:`~PIL.Image.ANTIALIAS` constant is left for backward compatibility -and is an alias for :py:attr:`~PIL.Image.LANCZOS`. +The :py:data:`~PIL.Image.ANTIALIAS` constant is left for backward compatibility +and is an alias for :py:data:`~PIL.Image.LANCZOS`. Lanczos upscaling quality ^^^^^^^^^^^^^^^^^^^^^^^^^ -The image upscaling quality with :py:attr:`~PIL.Image.LANCZOS` filter was -almost the same as :py:attr:`~PIL.Image.BILINEAR` due to bug. This has been fixed. +The image upscaling quality with :py:data:`~PIL.Image.LANCZOS` filter was +almost the same as :py:data:`~PIL.Image.BILINEAR` due to bug. This has been fixed. Bicubic upscaling quality ^^^^^^^^^^^^^^^^^^^^^^^^^ -The :py:attr:`~PIL.Image.BICUBIC` filter for affine transformations produced +The :py:data:`~PIL.Image.BICUBIC` filter for affine transformations produced sharp, slightly pixelated image for upscaling. Bicubic for convolutions is more soft. @@ -84,42 +84,42 @@ Resize performance In most cases, convolution is more a expensive algorithm for downscaling because it takes into account all the pixels of source image. Therefore -:py:attr:`~PIL.Image.BILINEAR` and :py:attr:`~PIL.Image.BICUBIC` filters' +:py:data:`~PIL.Image.BILINEAR` and :py:data:`~PIL.Image.BICUBIC` filters' performance can be lower than before. On the other hand the quality of -:py:attr:`~PIL.Image.BILINEAR` and :py:attr:`~PIL.Image.BICUBIC` was close to -:py:attr:`~PIL.Image.NEAREST`. So if such quality is suitable for your tasks -you can switch to :py:attr:`~PIL.Image.NEAREST` filter for downscaling, +:py:data:`~PIL.Image.BILINEAR` and :py:data:`~PIL.Image.BICUBIC` was close to +:py:data:`~PIL.Image.NEAREST`. So if such quality is suitable for your tasks +you can switch to :py:data:`~PIL.Image.NEAREST` filter for downscaling, which will give a huge improvement in performance. At the same time performance of convolution resampling for downscaling has been improved by around a factor of two compared to the previous version. -The upscaling performance of the :py:attr:`~PIL.Image.LANCZOS` filter has -remained the same. For :py:attr:`~PIL.Image.BILINEAR` filter it has improved by -1.5 times and for :py:attr:`~PIL.Image.BICUBIC` by four times. +The upscaling performance of the :py:data:`~PIL.Image.LANCZOS` filter has +remained the same. For :py:data:`~PIL.Image.BILINEAR` filter it has improved by +1.5 times and for :py:data:`~PIL.Image.BICUBIC` by four times. Default filter for thumbnails ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ In Pillow 2.5 the default filter for :py:meth:`~PIL.Image.Image.thumbnail` was -changed from :py:attr:`~PIL.Image.NEAREST` to :py:attr:`~PIL.Image.ANTIALIAS`. +changed from :py:data:`~PIL.Image.NEAREST` to :py:data:`~PIL.Image.ANTIALIAS`. Antialias was chosen because all the other filters gave poor quality for -reduction. Starting from Pillow 2.7.0, :py:attr:`~PIL.Image.ANTIALIAS` has been -replaced with :py:attr:`~PIL.Image.BICUBIC`, because it's faster and -:py:attr:`~PIL.Image.ANTIALIAS` doesn't give any advantages after +reduction. Starting from Pillow 2.7.0, :py:data:`~PIL.Image.ANTIALIAS` has been +replaced with :py:data:`~PIL.Image.BICUBIC`, because it's faster and +:py:data:`~PIL.Image.ANTIALIAS` doesn't give any advantages after downscaling with libjpeg, which uses supersampling internally, not convolutions. Image transposition ------------------- -A new method :py:attr:`PIL.Image.TRANSPOSE` has been added for the +A new method :py:data:`PIL.Image.TRANSPOSE` has been added for the :py:meth:`~PIL.Image.Image.transpose` operation in addition to -:py:attr:`~PIL.Image.FLIP_LEFT_RIGHT`, :py:attr:`~PIL.Image.FLIP_TOP_BOTTOM`, -:py:attr:`~PIL.Image.ROTATE_90`, :py:attr:`~PIL.Image.ROTATE_180`, -:py:attr:`~PIL.Image.ROTATE_270`. :py:attr:`~PIL.Image.TRANSPOSE` is an algebra +:py:data:`~PIL.Image.FLIP_LEFT_RIGHT`, :py:data:`~PIL.Image.FLIP_TOP_BOTTOM`, +:py:data:`~PIL.Image.ROTATE_90`, :py:data:`~PIL.Image.ROTATE_180`, +:py:data:`~PIL.Image.ROTATE_270`. :py:data:`~PIL.Image.TRANSPOSE` is an algebra transpose, with an image reflected across its main diagonal. -The speed of :py:attr:`~PIL.Image.ROTATE_90`, :py:attr:`~PIL.Image.ROTATE_270` -and :py:attr:`~PIL.Image.TRANSPOSE` has been significantly improved for large +The speed of :py:data:`~PIL.Image.ROTATE_90`, :py:data:`~PIL.Image.ROTATE_270` +and :py:data:`~PIL.Image.TRANSPOSE` has been significantly improved for large images which don't fit in the processor cache. Gaussian blur and unsharp mask diff --git a/docs/releasenotes/2.8.0.rst b/docs/releasenotes/2.8.0.rst index 85235d72aa9..c522fe8b0a3 100644 --- a/docs/releasenotes/2.8.0.rst +++ b/docs/releasenotes/2.8.0.rst @@ -4,18 +4,28 @@ Open HTTP response objects with Image.open ------------------------------------------ -HTTP response objects returned from `urllib2.urlopen(url)` or `requests.get(url, stream=True).raw` are 'file-like' but do not support `.seek()` operations. As a result PIL was unable to open them as images, requiring a wrap in `cStringIO` or `BytesIO`. +HTTP response objects returned from ``urllib2.urlopen(url)`` or +``requests.get(url, stream=True).raw`` are 'file-like' but do not support ``.seek()`` +operations. As a result PIL was unable to open them as images, requiring a wrap in +``cStringIO`` or ``BytesIO``. -Now new functionality has been added to `Image.open()` by way of an `.seek(0)` check and catch on exception `AttributeError` or `io.UnsupportedOperation`. If this is caught we attempt to wrap the object using `io.BytesIO` (which will only work on buffer-file-like objects). +Now new functionality has been added to ``Image.open()`` by way of an ``.seek(0)`` check and +catch on exception ``AttributeError`` or ``io.UnsupportedOperation``. If this is caught we +attempt to wrap the object using ``io.BytesIO`` (which will only work on buffer-file-like +objects). -This allows opening of files using both `urllib2` and `requests`, e.g.:: +This allows opening of files using both ``urllib2`` and ``requests``, e.g.:: Image.open(urllib2.urlopen(url)) Image.open(requests.get(url, stream=True).raw) -If the response uses content-encoding (compression, either gzip or deflate) then this will fail as both the urllib2 and requests raw file object will produce compressed data in that case. Using Content-Encoding on images is rather non-sensical as most images are already compressed, but it can still happen. +If the response uses content-encoding (compression, either gzip or deflate) then this +will fail as both the urllib2 and requests raw file object will produce compressed data +in that case. Using Content-Encoding on images is rather non-sensical as most images are +already compressed, but it can still happen. -For requests the work-around is to set the decode_content attribute on the raw object to True:: +For requests the work-around is to set the decode_content attribute on the raw object to +True:: response = requests.get(url, stream=True) response.raw.decode_content = True diff --git a/docs/releasenotes/3.0.0.rst b/docs/releasenotes/3.0.0.rst index 9cc1de98c49..67569d3378b 100644 --- a/docs/releasenotes/3.0.0.rst +++ b/docs/releasenotes/3.0.0.rst @@ -5,8 +5,8 @@ Saving Multipage Images ----------------------- -There is now support for saving multipage images in the `GIF` and -`PDF` formats. To enable this functionality, pass in `save_all=True` +There is now support for saving multipage images in the ``GIF`` and +``PDF`` formats. To enable this functionality, pass in ``save_all=True`` as a keyword argument to the save:: im.save('test.pdf', save_all=True) @@ -37,7 +37,7 @@ have been removed in this release:: ImageDraw.setink() ImageDraw.setfill() The ImageFileIO module - The ImageFont.FreeTypeFont and ImageFont.truetype `file` keyword arg + The ImageFont.FreeTypeFont and ImageFont.truetype ``file`` keyword arg The ImagePalette private _make functions ImageWin.fromstring() ImageWin.tostring() diff --git a/docs/releasenotes/3.1.0.rst b/docs/releasenotes/3.1.0.rst index 388af03acb9..3cdb6939d49 100644 --- a/docs/releasenotes/3.1.0.rst +++ b/docs/releasenotes/3.1.0.rst @@ -5,8 +5,8 @@ ImageDraw arc, chord and pieslice can now use floats ---------------------------------------------------- -There is no longer a need to ensure that the start and end arguments for `arc`, -`chord` and `pieslice` are integers. +There is no longer a need to ensure that the start and end arguments for ``arc``, +``chord`` and ``pieslice`` are integers. Note that these numbers are not simply rounded internally, but are actually utilised in the drawing process. diff --git a/docs/releasenotes/3.1.1.rst b/docs/releasenotes/3.1.1.rst index 8c32a43e74e..38118ea39c4 100644 --- a/docs/releasenotes/3.1.1.rst +++ b/docs/releasenotes/3.1.1.rst @@ -6,7 +6,7 @@ CVE-2016-0740 -- Buffer overflow in TiffDecode.c ------------------------------------------------ Pillow 3.1.0 and earlier when linked against libtiff >= 4.0.0 on x64 -may overflow a buffer when reading a specially crafted tiff file. +may overflow a buffer when reading a specially crafted tiff file (:cve:`CVE-2016-0740`). Specifically, libtiff >= 4.0.0 changed the return type of ``TIFFScanlineSize`` from ``int32`` to machine dependent @@ -24,9 +24,11 @@ CVE-2016-0775 -- Buffer overflow in FliDecode.c ----------------------------------------------- In all versions of Pillow, dating back at least to the last PIL 1.1.7 -release, FliDecode.c has a buffer overflow error. +release, FliDecode.c has a buffer overflow error (:cve:`CVE-2016-0775`). -Around line 192:: +Around line 192: + +.. code-block:: c case 16: /* COPY chunk */ @@ -45,13 +47,13 @@ is a set of row pointers to segments of memory that are the size of the row. At the max ``y``, this will write the contents of the line off the end of the memory buffer, causing a segfault. -This issue was found by Alyssa Besseling at Atlassian +This issue was found by Alyssa Besseling at Atlassian. CVE-2016-2533 -- Buffer overflow in PcdDecode.c ----------------------------------------------- In all versions of Pillow, dating back at least to the last PIL 1.1.7 -release, ``PcdDecode.c`` has a buffer overflow error. +release, ``PcdDecode.c`` has a buffer overflow error (:cve:`CVE-2016-2533`). The ``state.buffer`` for ``PcdDecode.c`` is allocated based on a 3 bytes per pixel sizing, where ``PcdDecode.c`` wrote into the buffer @@ -63,14 +65,16 @@ Integer overflow in Resample.c ------------------------------ If a large value was passed into the new size for an image, it is -possible to overflow an int32 value passed into malloc. +possible to overflow an ``int32`` value passed into malloc. + +.. code-block:: c - kk = malloc(xsize * kmax * sizeof(float)); - ... - xbounds = malloc(xsize * 2 * sizeof(int)); + kk = malloc(xsize * kmax * sizeof(float)); + ... + xbounds = malloc(xsize * 2 * sizeof(int)); ``xsize`` is trusted user input. These multiplications can overflow, -leading the malloc'd buffer to be undersized. These allocations are +leading the ``malloc``'d buffer to be undersized. These allocations are followed by a loop that writes out of bounds. This can lead to corruption on the heap of the Python process with attacker controlled float data. diff --git a/docs/releasenotes/3.1.2.rst b/docs/releasenotes/3.1.2.rst index ddb6a2adacf..b5f7cfe9963 100644 --- a/docs/releasenotes/3.1.2.rst +++ b/docs/releasenotes/3.1.2.rst @@ -7,9 +7,11 @@ CVE-2016-3076 -- Buffer overflow in Jpeg2KEncode.c Pillow between 2.5.0 and 3.1.1 may overflow a buffer when writing large Jpeg2000 files, allowing for code execution or other memory -corruption. +corruption (:cve:`CVE-2016-3076`). -This occurs specifically in the function ``j2k_encode_entry``, at the line:: +This occurs specifically in the function ``j2k_encode_entry``, at the line: + +.. code-block:: c state->buffer = malloc (tile_width * tile_height * components * prec / 8); diff --git a/docs/releasenotes/4.0.0.rst b/docs/releasenotes/4.0.0.rst index 4d21a2e54fe..cbf131c9311 100644 --- a/docs/releasenotes/4.0.0.rst +++ b/docs/releasenotes/4.0.0.rst @@ -23,17 +23,17 @@ redirected to the olefile package. Direct accesses to ``PIL.OlefileIO`` raises a deprecation warning, then patches the upstream olefile into ``sys.modules`` in its place. -SGI image save +SGI image save ============== It is now possible to save images in modes ``L``, ``RGB``, and -``RGBA`` to the uncompressed SGI image format. +``RGBA`` to the uncompressed SGI image format. Zero sized images ================= Pillow 3.4.0 removed support for creating images with (0,0) size. This -has been reenabled, restoring pre 3.4 behavior. +has been reenabled, restoring pre 3.4 behavior. Internal handles_eof flag ========================= @@ -41,11 +41,11 @@ Internal handles_eof flag The ``handles_eof flag`` for decoding images has been removed, as there were no internal users of the flag. Anyone maintaining image decoders outside of the Pillow source tree should consider using the cleanup -function pointers instead. +function pointers instead. Image.core.stretch removed ========================== The stretch function on the core image object has been removed. This used to be for enlarging the image, but has been aliased to resize -recently. +recently. diff --git a/docs/releasenotes/4.1.0.rst b/docs/releasenotes/4.1.0.rst index a6fb9d2afec..4d6598d8efa 100644 --- a/docs/releasenotes/4.1.0.rst +++ b/docs/releasenotes/4.1.0.rst @@ -10,9 +10,9 @@ Several deprecated items have been removed. resolution', 'resolution unit', and 'date time' has been removed. Underscores should be used instead. -* The methods :py:meth:`PIL.ImageDraw.ImageDraw.setink`, - :py:meth:`PIL.ImageDraw.ImageDraw.setfill`, and - :py:meth:`PIL.ImageDraw.ImageDraw.setfont` have been removed. +* The methods ``PIL.ImageDraw.ImageDraw.setink``, + ``PIL.ImageDraw.ImageDraw.setfill``, and + ``PIL.ImageDraw.ImageDraw.setfont`` have been removed. Closing Files When Opening Images @@ -27,7 +27,7 @@ is specified: responsibility of the calling code to close the file. * For images where Pillow opens the file and the file is known to have - only one frame, the file is closed after loading. + only one frame, the file is closed after loading. * If the file has more than one frame, or if it can't be determined, then the file is left open to permit seeking to subsequent @@ -36,7 +36,7 @@ is specified: * If the image is memory mapped, then we can't close the mapping to the underlying file until we are done with the image. The mapping - will be closed in the ``close`` or ``__del__`` method. + will be closed in the ``close`` or ``__del__`` method. Changes to GIF Handling When Saving @@ -50,7 +50,7 @@ saving images. There are two external changes that arise from this: * The image to be saved is no longer modified in place by any of the operations of the save function. Previously it was modified when - optimizing the image palette. + optimizing the image palette. This refactor fixed some bugs with palette handling when saving multiple frame GIFs. @@ -60,7 +60,7 @@ New Method: Image.remap_palette The method :py:meth:`PIL.Image.Image.remap_palette()` has been added. This method was hoisted from the GifImagePlugin code used to -optimize the palette. +optimize the palette. Added Decoder Registry and Support for Python Based Decoders ============================================================ @@ -76,7 +76,7 @@ Tests ===== Many tests have been added, including correctness tests for image -formats that have been previously untested. +formats that have been previously untested. We are now running automated tests in Docker containers against more Linux versions than are provided on Travis CI, which is currently diff --git a/docs/releasenotes/4.2.0.rst b/docs/releasenotes/4.2.0.rst index 1b41580a71c..1e9637f1e32 100644 --- a/docs/releasenotes/4.2.0.rst +++ b/docs/releasenotes/4.2.0.rst @@ -6,8 +6,8 @@ Added Complex Text Rendering Pillow now supports complex text rendering for scripts requiring glyph composition and bidirectional flow. This optional feature adds three -dependencies: harfbuzz, fribidi, and raqm. See the install -documentation for further details. This feature is tested and works on +dependencies: harfbuzz, fribidi, and raqm. See the :doc:`install documentation +<../installation>` for further details. This feature is tested and works on Unix and Mac, but has not yet been built on Windows platforms. New Optional Parameters @@ -26,16 +26,16 @@ New DecompressionBomb Warning :py:meth:`PIL.Image.Image.crop` now may raise a DecompressionBomb warning if the crop region enlarges the image over the threshold -specified by :py:attr:`PIL.Image.MAX_PIXELS`. +specified by :py:data:`PIL.Image.MAX_IMAGE_PIXELS`. Removed Deprecated Items ======================== Several deprecated items have been removed. -* The methods :py:meth:`PIL.ImageWin.Dib.fromstring`, - :py:meth:`PIL.ImageWin.Dib.tostring` and - :py:meth:`PIL.TiffImagePlugin.ImageFileDirectory_v2.as_dict` have +* The methods ``PIL.ImageWin.Dib.fromstring``, + ``PIL.ImageWin.Dib.tostring`` and + ``PIL.TiffImagePlugin.ImageFileDirectory_v2.as_dict`` have been removed. * Before Pillow 4.2.0, attempting to save an RGBA image as JPEG would diff --git a/docs/releasenotes/4.3.0.rst b/docs/releasenotes/4.3.0.rst index 64913592220..ea81fc45ea0 100644 --- a/docs/releasenotes/4.3.0.rst +++ b/docs/releasenotes/4.3.0.rst @@ -9,7 +9,7 @@ Deprecations Several undocumented functions in ImageOps have been deprecated: ``gaussian_blur``, ``gblur``, ``unsharp_mask``, ``usm`` and -``box_blur``. Use the equivalent operations in ImageFilter +``box_blur``. Use the equivalent operations in ``ImageFilter`` instead. These functions will be removed in a future release. TIFF Metadata Changes @@ -20,7 +20,7 @@ TIFF Metadata Changes single element tuple. This is only with the new api, not the legacy api. This normalizes the handling of fields, so that the metadata with inferred or image specified counts are handled the same as - metadata with count specified in the TIFF spec. + metadata with count specified in the TIFF spec. * The ``PhotoshopInfo``, ``XMP``, and ``JPEGTables`` tags now have a defined type (bytes) and a count of 1. * The ``ImageJMetaDataByteCounts`` tag now has an arbitrary number of @@ -85,7 +85,7 @@ There is a new :py:class:`PIL.ImageFilter.MultibandFilter` base class for image filters that can run on all channels of an image in one operation. The original :py:class:`PIL.ImageFilter.Filter` class remains for image filters that can process only single band images, or -require splitting of channels prior to filtering. +require splitting of channels prior to filtering. Other Changes ============= @@ -109,7 +109,7 @@ images to and from RGB and RGBA formats. The image data is truncated to 8-bit precision. Pillow can now read RLE encoded SGI images in both 8 and 16-bit -precision. +precision. Performance ^^^^^^^^^^^ @@ -124,7 +124,7 @@ This release contains several performance improvements: * ``Image.transpose`` has been accelerated 15% or more by using a cache friendly algorithm. * ImageFilters based on Kernel convolution are significantly faster - due to the new MultibandFilter feature. + due to the new :py:class:`~PIL.ImageFilter.MultibandFilter` feature. * All memory allocation for images is now done in blocks, rather than falling back to an allocation for each scan line for images larger than the block size. diff --git a/docs/releasenotes/5.0.0.rst b/docs/releasenotes/5.0.0.rst index 2bbeed11f99..509edbe6df8 100644 --- a/docs/releasenotes/5.0.0.rst +++ b/docs/releasenotes/5.0.0.rst @@ -17,7 +17,7 @@ Decompression Bombs now raise Exceptions Pillow has previously emitted warnings for images that are unexpectedly large and may be a denial of service. These warnings are -now upgraded to ``DecompressionBombError``s for images that are twice +now upgraded to ``DecompressionBombError``\s for images that are twice the size of images that trigger the ``DecompressionBombWarning``. The default threshold is 128Mpx, or 0.5GB for an ``RGB`` or ``RGBA`` image. This can be disabled or changed by setting @@ -69,7 +69,7 @@ GIF Disposal ^^^^^^^^^^^^ Multiframe GIF images now take an optional disposal parameter to -specify the disposal option for changed pixels. +specify the disposal option for changed pixels. Other Changes ============= @@ -88,7 +88,7 @@ Libraqm is now Dynamically Linked The libraqm dependency for complex text scripts is now linked dynamically at runtime rather than at packaging time. This allows us to release binaries with support for libraqm if it is installed on the -user's machine. +user's machine. Source Layout Changes ^^^^^^^^^^^^^^^^^^^^^ diff --git a/docs/releasenotes/5.1.0.rst b/docs/releasenotes/5.1.0.rst new file mode 100644 index 00000000000..2a4c64ac52e --- /dev/null +++ b/docs/releasenotes/5.1.0.rst @@ -0,0 +1,36 @@ +5.1.0 +----- + +New File Format +=============== + +BLP File Format +^^^^^^^^^^^^^^^ + +Pillow now supports reading the BLP "Blizzard Mipmap" file format used +for tiles in Blizzard's engine. + +API Changes +=========== + +Optional channels for TIFF files +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow can now open TIFF files with base modes of ``RGB``, ``YCbCr``, +and ``CMYK`` with up to 6 8-bit channels, discarding any extra +channels if the content is tagged as UNSPECIFIED. Pillow still does +not store more than 4 8-bit channels of image data. + +Append to PDF Files +^^^^^^^^^^^^^^^^^^^ + +Images can now be appended to PDF files in place by passing in +``append=True`` when saving the image. + +Other Changes +============= + +WebP memory leak +^^^^^^^^^^^^^^^^ + +A memory leak when opening ``WebP`` files has been fixed. diff --git a/docs/releasenotes/5.2.0.rst b/docs/releasenotes/5.2.0.rst new file mode 100644 index 00000000000..75e8da6554d --- /dev/null +++ b/docs/releasenotes/5.2.0.rst @@ -0,0 +1,113 @@ +5.2.0 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +These version constants have been deprecated. ``VERSION`` will be removed in +Pillow 6.0.0, and ``PILLOW_VERSION`` will be removed after that. + +* ``PIL.VERSION`` (old PIL version 1.1.7) +* ``PIL.PILLOW_VERSION`` +* ``PIL.Image.VERSION`` +* ``PIL.Image.PILLOW_VERSION`` + +Use ``PIL.__version__`` instead. + +API Additions +============= + +3D color lookup tables +^^^^^^^^^^^^^^^^^^^^^^ + +Support for 3D color lookup table transformations has been added. + +* https://en.wikipedia.org/wiki/3D_lookup_table + +``Color3DLUT.generate`` transforms 3-channel pixels using the values of the +channels as coordinates in the 3D lookup table and interpolating the nearest +elements. + +It allows you to apply almost any color transformation in constant time by +using pre-calculated decimated tables. + +``Color3DLUT.transform()`` allows altering table values with a callback. + +If NumPy is installed, the performance of argument conversion is dramatically +improved when a source table supports buffer interface (NumPy && arrays in +Python >= 3). + +ImageColor.getrgb +^^^^^^^^^^^^^^^^^ + +Previously ``Image.rotate`` only supported HSL color strings. Now HSB and HSV +strings are also supported, as well as float values. For example, +``ImageColor.getrgb("hsv(180,100%,99.5%)")``. + +ImageFile.get_format_mimetype +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``ImageFile.get_format_mimetype`` has been added to return the MIME type of an +image file, where available. For example, +``Image.open("hopper.jpg").get_format_mimetype()`` returns ``"image/jpeg"``. + +ImageFont.getsize_multiline +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method to return the size of multiline text, for example +``font.getsize_multiline("ABC\nAaaa")`` + +Image.rotate +^^^^^^^^^^^^ + +A new named parameter, ``fillcolor``, has been added to ``Image.rotate``. This +color specifies the background color to use in the area outside the rotated +image. This parameter takes the same color specifications as used in +``Image.new``. + + +TGA file format +^^^^^^^^^^^^^^^ + +Pillow can now read and write LA data (in addition to L, P, RGB and RGBA), and +write RLE data (in addition to uncompressed). + +Other Changes +============= + +Support added for Python 3.7 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow 5.2 supports Python 3.7. + +Build macOS wheels with Xcode 6.4, supporting older macOS versions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The macOS wheels for Pillow 5.1.0 were built with Xcode 9.2, meaning 10.12 +Sierra was the lowest supported version. + +Prior to Pillow 5.1.0, Xcode 8 was used, supporting El Capitan 10.11. + +Instead, Pillow 5.2.0 is built with the oldest available Xcode 6.4 to support +at least 10.10 Yosemite. + +Fix _i2f compilation with some GCC versions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +For example, this allows compilation with GCC 4.8 on NetBSD. + +Resolve confusion getting PIL / Pillow version string +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Re: "version constants deprecated" listed above, as user gnbl notes in #3082: + +- it's confusing that PIL.VERSION returns the version string of the former PIL instead of Pillow's +- there does not seem to be documentation on this version number (why this, will it ever change, ..) e.g. at https://pillow.readthedocs.io/en/5.1.x/about.html#why-a-fork +- it's confusing that PIL.version is a module and does not return the version information directly or hints on how to get it +- the package information header is essentially useless (placeholder, does not even mention Pillow, nor the version) +- PIL._version module documentation comment could explain how to access the version information + +We have attempted to resolve these issues in #3083, #3090 and #3218. diff --git a/docs/releasenotes/5.3.0.rst b/docs/releasenotes/5.3.0.rst new file mode 100644 index 00000000000..bff56566b66 --- /dev/null +++ b/docs/releasenotes/5.3.0.rst @@ -0,0 +1,67 @@ +5.3.0 +----- + +API Changes +=========== + +Image size +^^^^^^^^^^ + +If you attempt to set the size of an image directly, e.g. +``im.size = (100, 100)``, you will now receive an ``AttributeError``. This is +not about removing existing functionality, but instead about raising an +explicit error to prevent later consequences. The ``resize`` method is the +correct way to change an image's size. + +The exceptions to this are: + +* The ICO and ICNS image formats, which use ``im.size = (100, 100)`` to select a subimage. +* The TIFF image format, which now has a ``DeprecationWarning`` for this action, as direct image size setting was previously necessary to work around an issue with tile extents. + + +API Additions +============= + +Added line width parameter to rectangle and ellipse-based shapes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +An optional line ``width`` parameter has been added to ``ImageDraw.Draw.arc``, +``chord``, ``ellipse``, ``pieslice`` and ``rectangle``. + +Curved joints for line sequences +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``ImageDraw.Draw.line`` draws a line, or lines, between points. Previously, +when multiple points are given, for a larger ``width``, the joints between +these lines looked unsightly. There is now an additional optional argument, +``joint``, defaulting to :data:`None`. When it is set to ``curved``, the joints +between the lines will become rounded. + +ImageOps.colorize +^^^^^^^^^^^^^^^^^ + +Previously ``ImageOps.colorize`` only supported two-color mapping with +``black`` and ``white`` arguments being mapped to 0 and 255 respectively. +Now it supports three-color mapping with the optional ``mid`` parameter, and +the positions for all three color arguments can each be optionally specified +(``blackpoint``, ``whitepoint`` and ``midpoint``). +For example, with all optional arguments:: + + ImageOps.colorize(im, black=(32, 37, 79), white='white', mid=(59, 101, 175), + blackpoint=15, whitepoint=240, midpoint=100) + +ImageOps.pad +^^^^^^^^^^^^ + +While ``ImageOps.fit`` allows users to crop images to a requested aspect ratio +and size, new method ``ImageOps.pad`` pads images to fill a requested aspect +ratio and size, filling new space with a provided ``color`` and positioning the +image within the new area through a ``centering`` argument. + +Other Changes +============= + +Added support for reading tiled TIFF images through LibTIFF. Compressed TIFF +images are now read through LibTIFF. + +RGB WebP images are now read as RGB mode, rather than RGBX. diff --git a/docs/releasenotes/5.4.0.rst b/docs/releasenotes/5.4.0.rst new file mode 100644 index 00000000000..6d7277c70ea --- /dev/null +++ b/docs/releasenotes/5.4.0.rst @@ -0,0 +1,67 @@ +5.4.0 +----- + +API Changes +=========== + +APNG extension to PNG plugin +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Animated Portable Network Graphics (APNG) images are not fully supported but +can be opened via the PNG plugin to get some basic info:: + + im = Image.open("image.apng") + print(im.mode) # "RGBA" + print(im.size) # (245, 245) + im.show() # Shows a single frame + +Check for libjpeg-turbo +^^^^^^^^^^^^^^^^^^^^^^^ + +You can check if Pillow has been built against the libjpeg-turbo version of the +libjpeg library:: + + from PIL import features + features.check_feature("libjpeg_turbo") # True or False + +Negative indexes in pixel access +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When accessing individual image pixels, negative indexes are now also accepted. +For example, to get or set the farthest pixel in the lower right of an image:: + + px = im.load() + print(px[-1, -1]) + px[-1, -1] = (0, 0, 0) + + +New custom TIFF tags +^^^^^^^^^^^^^^^^^^^^ + +TIFF images can now be saved with custom integer, float and string TIFF tags:: + + im = Image.new("RGB", (200, 100)) + custom = { + 37000: 4, + 37001: 4.2, + 37002: "custom tag value", + 37003: u"custom tag value", + 37004: b"custom tag value", + } + im.save("output.tif", tiffinfo=custom) + + im2 = Image.open("output.tif") + print(im2.tag_v2[37000]) # 4 + print(im2.tag_v2[37002]) # "custom tag value" + print(im2.tag_v2[37004]) # b"custom tag value" + +Other Changes +============= + +ImageOps.fit +^^^^^^^^^^^^ + +Now uses one resize operation with ``box`` parameter internally +instead of a crop and scale operations sequence. +This improves the performance and accuracy of cropping since +the ``box`` parameter accepts float values. diff --git a/docs/releasenotes/5.4.1.rst b/docs/releasenotes/5.4.1.rst new file mode 100644 index 00000000000..78f483db658 --- /dev/null +++ b/docs/releasenotes/5.4.1.rst @@ -0,0 +1,36 @@ +5.4.1 +----- + +This release fixes regressions in 5.4.0. + +Installation on Termux +^^^^^^^^^^^^^^^^^^^^^^ + +A change to the way Pillow detects libraries during installed prevented +installation on Termux, which does not have ``/sbin/ldconfig``. This is now +fixed. + +PNG: Handle IDAT chunks after image end +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Some PNG images have multiple IDAT chunks. In some cases, Pillow will stop +reading image data before the IDAT chunks finish. A regression caused an +``EOFError`` exception when previously there was none. This is now fixed, and +file reading continues in case there are subsequent text chunks. + +PNG: MIME type +^^^^^^^^^^^^^^ + +The addition of limited APNG support to the PNG plugin also overwrote the MIME +type for PNG files, causing "image/apng" to be returned as the MIME type of +both APNG and PNG files. This has been fixed so the MIME type of PNG files is +"image/png". + +File closing +^^^^^^^^^^^^ + +A regression caused an unsupported image file to report a +``ValueError: seek of closed file`` exception instead of an ``OSError``. This +has been fixed by ensuring that image plugins only close their internal ``__fp`` +if they are not the same as ``ImageFile``'s ``fp``, allowing each to manage their own +file pointers. diff --git a/docs/releasenotes/6.0.0.rst b/docs/releasenotes/6.0.0.rst new file mode 100644 index 00000000000..3e3b945a0a9 --- /dev/null +++ b/docs/releasenotes/6.0.0.rst @@ -0,0 +1,212 @@ +6.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 3.4 dropped +^^^^^^^^^^^^^^^^^^ + +Python 3.4 is EOL since 2019-03-16 and no longer supported. We will not be creating +binaries, testing, or retaining compatibility with this version. The final version of +Pillow for Python 3.4 is 5.4.1. + +Removed deprecated PIL.OleFileIO +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +PIL.OleFileIO was removed as a vendored file and in Pillow 4.0.0 (2017-01) in favour of +the upstream olefile Python package, and replaced with an ``ImportError``. The +deprecated file has now been removed from Pillow. If needed, install from PyPI (eg. +``python3 -m pip install olefile``). + +Removed deprecated ImageOps functions +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Several undocumented functions in ``ImageOps`` were deprecated in Pillow 4.3.0 (2017-10) +and have now been removed: ``gaussian_blur``, ``gblur``, ``unsharp_mask``, ``usm`` and +``box_blur``. Use the equivalent operations in ``ImageFilter`` instead. + +Removed deprecated VERSION +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``VERSION`` (the old PIL version, always 1.1.7) has been removed. Use ``__version__`` +instead. + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +Python 2.7 +~~~~~~~~~~ + +Python 2.7 reaches end-of-life on 2020-01-01. + +Pillow 7.0.0 will be released on 2020-01-01 and will drop support for Python 2.7, making +Pillow 6.x the last series to support Python 2. + +PyQt4 and PySide +~~~~~~~~~~~~~~~~ + +Qt 4 reached end-of-life on 2015-12-19. Its Python bindings are also EOL: PyQt4 since +2018-08-31 and PySide since 2015-10-14. + +Support for PyQt4 and PySide has been deprecated from ``ImageQt`` and will be removed in +a future version. Please upgrade to PyQt5 or PySide2. + +PIL.*ImagePlugin.__version__ attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +These version constants have been deprecated and will be removed in a future +version. + +* ``BmpImagePlugin.__version__`` +* ``CurImagePlugin.__version__`` +* ``DcxImagePlugin.__version__`` +* ``EpsImagePlugin.__version__`` +* ``FliImagePlugin.__version__`` +* ``FpxImagePlugin.__version__`` +* ``GdImageFile.__version__`` +* ``GifImagePlugin.__version__`` +* ``IcoImagePlugin.__version__`` +* ``ImImagePlugin.__version__`` +* ``ImtImagePlugin.__version__`` +* ``IptcImagePlugin.__version__`` +* ``Jpeg2KImagePlugin.__version__`` +* ``JpegImagePlugin.__version__`` +* ``McIdasImagePlugin.__version__`` +* ``MicImagePlugin.__version__`` +* ``MpegImagePlugin.__version__`` +* ``MpoImagePlugin.__version__`` +* ``MspImagePlugin.__version__`` +* ``PalmImagePlugin.__version__`` +* ``PcdImagePlugin.__version__`` +* ``PcxImagePlugin.__version__`` +* ``PdfImagePlugin.__version__`` +* ``PixarImagePlugin.__version__`` +* ``PngImagePlugin.__version__`` +* ``PpmImagePlugin.__version__`` +* ``PsdImagePlugin.__version__`` +* ``SgiImagePlugin.__version__`` +* ``SunImagePlugin.__version__`` +* ``TgaImagePlugin.__version__`` +* ``TiffImagePlugin.__version__`` +* ``WmfImagePlugin.__version__`` +* ``XbmImagePlugin.__version__`` +* ``XpmImagePlugin.__version__`` +* ``XVThumbImagePlugin.__version__`` + +Use ``PIL.__version__`` instead. + +ImageCms.CmsProfile attributes +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Some attributes in ``ImageCms.CmsProfile`` have been deprecated since Pillow 3.2.0. From +6.0.0, they issue a ``DeprecationWarning``: + +======================== =============================== +Deprecated Use instead +======================== =============================== +``color_space`` Padded ``xcolor_space`` +``pcs`` Padded ``connection_space`` +``product_copyright`` Unicode ``copyright`` +``product_desc`` Unicode ``profile_description`` +``product_description`` Unicode ``profile_description`` +``product_manufacturer`` Unicode ``manufacturer`` +``product_model`` Unicode ``model`` +======================== =============================== + +MIME type improvements +^^^^^^^^^^^^^^^^^^^^^^ + +Previously, all JPEG2000 images had the MIME type "image/jpx". This has now been +corrected. After the file format drivers have been loaded, ``Image.MIME["JPEG2000"]`` +will return "image/jp2". ``ImageFile.get_format_mimetype`` will return "image/jpx" if +a JPX profile is present, or "image/jp2" otherwise. + +Previously, all SGI images had the MIME type "image/rgb". This has now been +corrected. After the file format drivers have been loaded, ``Image.MIME["SGI"]`` +will return "image/sgi". ``ImageFile.get_format_mimetype`` will return "image/rgb" if +RGB image data is present, or "image/sgi" otherwise. + +MIME types have been added to the PPM format. After the file format drivers have been +loaded, ``Image.MIME["PPM"]`` will now return the generic "image/x-portable-anymap". +``ImageFile.get_format_mimetype`` will return a MIME type specific to the color type. + +The TGA, PCX and ICO formats also now have MIME types: "image/x-tga", "image/x-pcx" and +"image/x-icon" respectively. + +API Additions +============= + +DIB file format +^^^^^^^^^^^^^^^ + +Pillow now supports reading and writing the Device Independent Bitmap file format. + +Image.quantize +^^^^^^^^^^^^^^ + +The ``dither`` option is now a customisable parameter (was previously hardcoded to ``1``). +This parameter takes the same values used in :py:meth:`~PIL.Image.Image.convert`. + +New language parameter +^^^^^^^^^^^^^^^^^^^^^^ + +These text-rendering functions now accept a ``language`` parameter to request +language-specific glyphs and ligatures from the font: + +* ``ImageDraw.ImageDraw.multiline_text()`` +* ``ImageDraw.ImageDraw.multiline_textsize()`` +* ``ImageDraw.ImageDraw.text()`` +* ``ImageDraw.ImageDraw.textsize()`` +* ``ImageFont.ImageFont.getmask()`` +* ``ImageFont.ImageFont.getsize_multiline()`` +* ``ImageFont.ImageFont.getsize()`` + +Added EXIF class +^^^^^^^^^^^^^^^^ + +:py:meth:`~PIL.Image.Image.getexif` has been added, which returns an +:py:class:`~PIL.Image.Exif` instance. Values can be retrieved and set like a +dictionary. When saving JPEG, PNG or WEBP, the instance can be passed as an +``exif`` argument to include any changes in the output image. + +Added ImageOps.exif_transpose +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:meth:`~PIL.ImageOps.exif_transpose` returns a copy of an image, transposed +according to its EXIF Orientation tag. + +PNG EXIF data +^^^^^^^^^^^^^ + +EXIF data can now be read from and saved to PNG images. However, unlike other image +formats, EXIF data is not guaranteed to be present in :py:attr:`~PIL.Image.Image.info` +until :py:meth:`~PIL.Image.Image.load` has been called. + +Other Changes +============= + +Reading new DDS image format +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow can now read uncompressed RGB data from DDS images. + +Reading TIFF with old-style JPEG compression +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Added support reading TIFF files with old-style JPEG compression through LibTIFF. All +YCbCr TIFF images are now always read as RGB. + +TIFF compression codecs +^^^^^^^^^^^^^^^^^^^^^^^ + +Support has been added for the LZMA, Zstd and WebP TIFF compression codecs. + +Improved support for transposing I;16 images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +I;16, I;16L and I;16B are now supported image modes for all +:py:meth:`~PIL.Image.Image.transpose` operations. diff --git a/docs/releasenotes/6.1.0.rst b/docs/releasenotes/6.1.0.rst new file mode 100644 index 00000000000..eb4304843e1 --- /dev/null +++ b/docs/releasenotes/6.1.0.rst @@ -0,0 +1,111 @@ +6.1.0 +----- + +Deprecations +============ + +Image.__del__ +^^^^^^^^^^^^^ + +.. deprecated:: 6.1.0 + +Implicitly closing the image's underlying file in ``Image.__del__`` has been deprecated. +Use a context manager or call ``Image.close()`` instead to close the file in a +deterministic way. + +Deprecated: + +.. code-block:: python + + im = Image.open("hopper.png") + im.save("out.jpg") + +Use instead: + +.. code-block:: python + + with Image.open("hopper.png") as im: + im.save("out.jpg") + +API Additions +============= + +Image.entropy +^^^^^^^^^^^^^ +Calculates and returns the entropy for the image. A bilevel image (mode "1") is treated +as a greyscale ("L") image by this method. If a mask is provided, the method employs +the histogram for those parts of the image where the mask image is non-zero. The mask +image must have the same size as the image, and be either a bi-level image (mode "1") or +a greyscale image ("L"). + +ImageGrab.grab +^^^^^^^^^^^^^^ + +An optional ``include_layered_windows`` parameter has been added to ``ImageGrab.grab``, +defaulting to ``False``. If true, layered windows will be included in the resulting +image on Windows. + +ImageSequence.all_frames +^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method to facilitate applying a given function to all frames in an image, or to +all frames in a list of images. The frames are returned as a list of separate images. +For example, ``ImageSequence.all_frames(im, lambda im_frame: im_frame.rotate(90))`` +could be used to return all frames from an image, each rotated 90 degrees. + +Variation fonts +^^^^^^^^^^^^^^^ + +Variation fonts are now supported, allowing for different styles from the same font +file. ``ImageFont.FreeTypeFont`` has four new methods, +:py:meth:`PIL.ImageFont.FreeTypeFont.get_variation_names` and +:py:meth:`PIL.ImageFont.FreeTypeFont.set_variation_by_name` for using named styles, and +:py:meth:`PIL.ImageFont.FreeTypeFont.get_variation_axes` and +:py:meth:`PIL.ImageFont.FreeTypeFont.set_variation_by_axes` for using font axes +instead. An ``IOError`` will be raised if the font is not a variation font. FreeType +2.9.1 or greater is required. + +Other Changes +============= + +ImageTk.getimage +^^^^^^^^^^^^^^^^ + +This function is now supported. It returns the contents of an ``ImageTk.PhotoImage`` as +an RGBA ``Image.Image`` instance. + +Image quality for JPEG compressed TIFF +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The TIFF encoder accepts a ``quality`` parameter for ``jpeg`` compressed TIFF files. A +value from 0 (worst) to 100 (best) controls the image quality, similar to the JPEG +encoder. The default is 75. For example: + +.. code-block:: python + + im.save("out.tif", compression="jpeg", quality=85) + +Improve encoding of TIFF tags +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The TIFF encoder supports more types, especially arrays. This is required for the +GeoTIFF format which encodes geospatial information. + +* Pass ``tagtype`` from v2 directory to libtiff encoder, instead of autodetecting type. +* Use explicit types eg. ``uint32_t`` for ``TIFF_LONG`` to fix issues on platforms with + 64-bit longs. +* Add support for multiple values (arrays). Requires type in v2 directory and values + must be passed as a tuple. +* Add support for signed types eg. ``TIFFTypes.TIFF_SIGNED_SHORT``. + +Respect PKG_CONFIG environment variable when building +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This variable is commonly used by other build systems and using it can help with +cross-compiling. Falls back to ``pkg-config`` as before. + +Top-to-bottom complex text rendering +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Drawing text in the 'ttb' direction with ``ImageFont`` has been significantly improved +and requires Raqm 0.7 or greater. diff --git a/docs/releasenotes/6.2.0.rst b/docs/releasenotes/6.2.0.rst new file mode 100644 index 00000000000..20a009cc177 --- /dev/null +++ b/docs/releasenotes/6.2.0.rst @@ -0,0 +1,109 @@ +6.2.0 +----- + +API Additions +============= + +Text stroking +^^^^^^^^^^^^^ + +``stroke_width`` and ``stroke_fill`` arguments have been added to text drawing +operations. They allow text to be outlined, setting the width of the stroke and +and the color respectively. If not provided, ``stroke_fill`` will default to +the ``fill`` parameter. + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 40) + font.getsize_multiline("A", stroke_width=2) + font.getsize("ABC\nAaaa", stroke_width=2) + + im = Image.new("RGB", (100, 100)) + draw = ImageDraw.Draw(im) + draw.textsize("A", font, stroke_width=2) + draw.multiline_textsize("ABC\nAaaa", font, stroke_width=2) + draw.text((10, 10), "A", "#f00", font, stroke_width=2, stroke_fill="#0f0") + draw.multiline_text((10, 10), "A\nB", "#f00", font, + stroke_width=2, stroke_fill="#0f0") + +For example, + +.. code-block:: python + + from PIL import Image, ImageDraw, ImageFont + + im = Image.new("RGB", (120, 130)) + draw = ImageDraw.Draw(im) + font = ImageFont.truetype("Tests/fonts/FreeMono.ttf", 120) + draw.text((10, 10), "A", "#f00", font, stroke_width=2, stroke_fill="#0f0") + + +creates the following image: + +.. image:: ../../Tests/images/imagedraw_stroke_different.png + +ImageGrab on multi-monitor Windows +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +An ``all_screens`` argument has been added to ``ImageGrab.grab``. If ``True``, +all monitors will be included in the created image. + +API Changes +=========== + +Image.getexif +^^^^^^^^^^^^^ + +To allow for lazy loading of Exif data, ``Image.getexif()`` now returns a +shared instance of ``Image.Exif``. + +Deprecations +^^^^^^^^^^^^ + +Image.frombuffer +~~~~~~~~~~~~~~~~ + +There has been a longstanding warning that the defaults of ``Image.frombuffer`` +may change in the future for the "raw" decoder. The change will now take place +in Pillow 7.0. + +Security +======== + +This release catches several buffer overruns, as well as addressing +:cve:`CVE-2019-16865`. The CVE is regarding DOS problems, such as consuming large +amounts of memory, or taking a large amount of time to process an image. + +In RawDecode.c, an error is now thrown if skip is calculated to be less than +zero. It is intended to skip padding between lines, not to go backwards. + +In PsdImagePlugin, if the combined sizes of the individual parts is larger than +the declared size of the extra data field, then it looked for the next layer by +seeking backwards. This is now corrected by seeking to (the start of the layer ++ the size of the extra data field) instead of (the read parts of the layer + +the rest of the layer). + +Decompression bomb checks have been added to GIF and ICO formats. + +An error is now raised if a TIFF dimension is a string, rather than trying to +perform operations on it. + +Other Changes +============= + +Removed bdist_wininst .exe installers +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +.exe installers fell out of favour with :pep:`527`, and will be deprecated in +Python 3.8. Pillow will no longer be distributing them. Wheels should be used +instead. + +Flags for libwebp in wheels +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When building libwebp for inclusion in wheels, Pillow now adds the ``-O3`` and +``-DNDEBUG`` CFLAGS. These flags would be used by default if building libwebp +without debugging, and using them fixes a significant decrease in speed when +a wheel-installed copy of Pillow performs libwebp operations. diff --git a/docs/releasenotes/6.2.1.rst b/docs/releasenotes/6.2.1.rst new file mode 100644 index 00000000000..ca298fa702c --- /dev/null +++ b/docs/releasenotes/6.2.1.rst @@ -0,0 +1,26 @@ +6.2.1 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +Python 2.7 +~~~~~~~~~~ + +Python 2.7 reaches end-of-life on 2020-01-01. + +Pillow 7.0.0 will be released on 2020-01-01 and will drop support for Python +2.7, making Pillow 6.2.x the last release series to support Python 2. + +Other Changes +============= + + + +Support added for Python 3.8 +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow 6.2.1 supports Python 3.8. diff --git a/docs/releasenotes/6.2.2.rst b/docs/releasenotes/6.2.2.rst new file mode 100644 index 00000000000..79d4b88aac4 --- /dev/null +++ b/docs/releasenotes/6.2.2.rst @@ -0,0 +1,18 @@ +6.2.2 +----- + +Security +======== + +This release addresses several security problems. + +:cve:`CVE-2019-19911` is regarding FPX images. If an image reports that it has a large +number of bands, a large amount of resources will be used when trying to process the +image. This is fixed by limiting the number of bands to those usable by Pillow. + +Buffer overruns were found when processing an SGI (:cve:`CVE-2020-5311`), +PCX (:cve:`CVE-2020-5312`) or FLI image (:cve:`CVE-2020-5313`). Checks have been added +to prevent this. + +:cve:`CVE-2020-5310`: Overflow checks have been added when calculating the size of a +memory block to be reallocated in the processing of a TIFF image. diff --git a/docs/releasenotes/7.0.0.rst b/docs/releasenotes/7.0.0.rst new file mode 100644 index 00000000000..80002b0ce71 --- /dev/null +++ b/docs/releasenotes/7.0.0.rst @@ -0,0 +1,161 @@ +7.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 2.7 +^^^^^^^^^^ + +Pillow has dropped support for Python 2.7, which reached end-of-life on 2020-01-01. + +PILLOW_VERSION constant +^^^^^^^^^^^^^^^^^^^^^^^ + +``PILLOW_VERSION`` has been removed. Use ``__version__`` instead. + +PIL.*ImagePlugin.__version__ attributes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The version constants of individual plugins have been removed. Use ``PIL.__version__`` +instead. + +=============================== ================================= ================================== +Removed Removed Removed +=============================== ================================= ================================== +``BmpImagePlugin.__version__`` ``Jpeg2KImagePlugin.__version__`` ``PngImagePlugin.__version__`` +``CurImagePlugin.__version__`` ``JpegImagePlugin.__version__`` ``PpmImagePlugin.__version__`` +``DcxImagePlugin.__version__`` ``McIdasImagePlugin.__version__`` ``PsdImagePlugin.__version__`` +``EpsImagePlugin.__version__`` ``MicImagePlugin.__version__`` ``SgiImagePlugin.__version__`` +``FliImagePlugin.__version__`` ``MpegImagePlugin.__version__`` ``SunImagePlugin.__version__`` +``FpxImagePlugin.__version__`` ``MpoImagePlugin.__version__`` ``TgaImagePlugin.__version__`` +``GdImageFile.__version__`` ``MspImagePlugin.__version__`` ``TiffImagePlugin.__version__`` +``GifImagePlugin.__version__`` ``PalmImagePlugin.__version__`` ``WmfImagePlugin.__version__`` +``IcoImagePlugin.__version__`` ``PcdImagePlugin.__version__`` ``XbmImagePlugin.__version__`` +``ImImagePlugin.__version__`` ``PcxImagePlugin.__version__`` ``XpmImagePlugin.__version__`` +``ImtImagePlugin.__version__`` ``PdfImagePlugin.__version__`` ``XVThumbImagePlugin.__version__`` +``IptcImagePlugin.__version__`` ``PixarImagePlugin.__version__`` +=============================== ================================= ================================== + +PyQt4 and PySide +^^^^^^^^^^^^^^^^ + +Qt 4 reached end-of-life on 2015-12-19. Its Python bindings are also EOL: PyQt4 since +2018-08-31 and PySide since 2015-10-14. + +Support for PyQt4 and PySide has been removed from ``ImageQt``. Please upgrade to PyQt5 +or PySide2. + +Setting the size of TIFF images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Setting the size of a TIFF image directly (eg. ``im.size = (256, 256)``) throws +an error. Use ``Image.resize`` instead. + +Default resampling filter +^^^^^^^^^^^^^^^^^^^^^^^^^ + +The default resampling filter has been changed to the high-quality convolution +``Image.BICUBIC`` instead of ``Image.NEAREST``, for the :py:meth:`~PIL.Image.Image.resize` +method and the :py:meth:`~PIL.ImageOps.pad`, :py:meth:`~PIL.ImageOps.scale` +and :py:meth:`~PIL.ImageOps.fit` functions. +``Image.NEAREST`` is still always used for images in "P" and "1" modes. +See :ref:`concept-filters` to learn the difference. In short, +``Image.NEAREST`` is a very fast filter, but simple and low-quality. + +Image.draft() return value +^^^^^^^^^^^^^^^^^^^^^^^^^^ + +If the :py:meth:`~PIL.Image.Image.draft` method has no effect, it returns :data:`None`. +If it does have an effect, then it previously returned the image itself. +However, unlike other `chain methods`_, :py:meth:`~PIL.Image.Image.draft` does not +return a modified version of the image, but modifies it in-place. So instead, if +:py:meth:`~PIL.Image.Image.draft` has an effect, Pillow will now return a tuple +of the image mode and a co-ordinate box. The box is the original coordinates in the +bounds of resulting image. This may be useful in a subsequent +:py:meth:`~PIL.Image.Image.resize` call. + +.. _chain methods: https://en.wikipedia.org/wiki/Method_chaining + + +API Additions +============= + +Custom unidentified image error +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow will now throw a custom ``UnidentifiedImageError`` when an image cannot be +identified. For backwards compatibility, this will inherit from ``OSError``. + +New argument ``reducing_gap`` for Image.resize() and Image.thumbnail() methods +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Speeds up resizing by resizing the image in two steps. The bigger ``reducing_gap``, +the closer the result to the fair resampling. The smaller ``reducing_gap``, +the faster resizing. With ``reducing_gap`` greater or equal to 3.0, +the result is indistinguishable from fair resampling. + +The default value for :py:meth:`~PIL.Image.Image.resize` is :data:`None`, +which means that the optimization is turned off by default. + +The default value for :py:meth:`~PIL.Image.Image.thumbnail` is 2.0, +which is very close to fair resampling while still being faster in many cases. +In addition, the same gap is applied when :py:meth:`~PIL.Image.Image.thumbnail` +calls :py:meth:`~PIL.Image.Image.draft`, which may greatly improve the quality +of JPEG thumbnails. As a result, :py:meth:`~PIL.Image.Image.thumbnail` +in the new version provides equally high speed and high quality from any +source (JPEG or arbitrary images). + +New Image.reduce() method +^^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:meth:`~PIL.Image.Image.reduce` is a highly efficient operation +to reduce an image by integer times. Normally, it shouldn't be used directly. +Used internally by :py:meth:`~PIL.Image.Image.resize` and :py:meth:`~PIL.Image.Image.thumbnail` +methods to speed up resize when a new argument ``reducing_gap`` is set. + +Loading WMF images at a given DPI +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +On Windows, Pillow can read WMF files, with a default DPI of 72. An image can +now also be loaded at another resolution: + +.. code-block:: python + + from PIL import Image + with Image.open("drawing.wmf") as im: + im.load(dpi=144) + +Other Changes +============= + +Image.__del__ +^^^^^^^^^^^^^ + +Implicitly closing the image's underlying file in ``Image.__del__`` has been removed. +Use a context manager or call :py:meth:`~PIL.Image.Image.close` instead to close +the file in a deterministic way. + +Previous method: + +.. code-block:: python + + im = Image.open("hopper.png") + im.save("out.jpg") + +Use instead: + +.. code-block:: python + + with Image.open("hopper.png") as im: + im.save("out.jpg") + +Better thumbnail geometry +^^^^^^^^^^^^^^^^^^^^^^^^^ + +When calculating the new dimensions in :py:meth:`~PIL.Image.Image.thumbnail`, +round to the nearest integer, instead of always rounding down. +This better preserves the original aspect ratio. + +When the image width or height is not divisible by 8 the last row and column +in the image get the correct weight after JPEG DCT scaling. diff --git a/docs/releasenotes/7.1.0.rst b/docs/releasenotes/7.1.0.rst new file mode 100644 index 00000000000..0024a537d12 --- /dev/null +++ b/docs/releasenotes/7.1.0.rst @@ -0,0 +1,102 @@ +7.1.0 +----- + +API Changes +=========== + +Allow saving of zero quality JPEG images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +If no quality was specified when saving a JPEG, Pillow internally used a value +of zero to indicate that the default quality should be used. However, this +removed the ability to actually save a JPEG with zero quality. This has now +been resolved. + +.. code-block:: python + + from PIL import Image + im = Image.open("hopper.jpg") + im.save("out.jpg", quality=0) + +API Additions +============= + +New channel operations +^^^^^^^^^^^^^^^^^^^^^^ + +Three new channel operations have been added: :py:meth:`~PIL.ImageChops.soft_light`, +:py:meth:`~PIL.ImageChops.hard_light` and :py:meth:`~PIL.ImageChops.overlay`. + +PILLOW_VERSION constant +^^^^^^^^^^^^^^^^^^^^^^^ + +``PILLOW_VERSION`` has been re-added but is deprecated and will be removed in a future +release. Use ``__version__`` instead. + +It was initially removed in Pillow 7.0.0, but brought back in 7.1.0 to give projects +more time to upgrade. + +Reading JPEG comments +^^^^^^^^^^^^^^^^^^^^^ + +When opening a JPEG image, the comment may now be read into +:py:attr:`~PIL.Image.Image.info`. + +Support for different charset encodings in PcfFontFile +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously ``PcfFontFile`` output only bitmap PIL fonts with ISO 8859-1 encoding, even +though the PCF format supports Unicode, making it hard to work with Pillow with bitmap +fonts in languages which use different character sets. + +Now it's possible to set a different charset encoding in ``PcfFontFile``'s class +constructor. By default, it generates a PIL font file with ISO 8859-1 as before. The +generated PIL font file still contains up to 256 characters, but the character set is +different depending on the selected encoding. + +To use such a font with ``ImageDraw.text``, call it with a bytes object with the same +encoding as the font file. + +X11 ImageGrab.grab() +^^^^^^^^^^^^^^^^^^^^ +Support has been added for ``ImageGrab.grab()`` on Linux using the X server +with the XCB library. + +An optional ``xdisplay`` parameter has been added to select the X server, +with the default value of :data:`None` using the default X server. + +Passing a different value on Windows or macOS will force taking a snapshot +using the selected X server; pass an empty string to use the default X server. +XCB support is not included in pre-compiled wheels for Windows and macOS. + +Security +======== + +This release includes security fixes. + +* :cve:`CVE-2020-10177` Fix multiple out-of-bounds reads in FLI decoding +* :cve:`CVE-2020-10378` Fix bounds overflow in PCX decoding +* :cve:`CVE-2020-10379` Fix two buffer overflows in TIFF decoding +* :cve:`CVE-2020-10994` Fix bounds overflow in JPEG 2000 decoding +* :cve:`CVE-2020-11538` Fix buffer overflow in SGI-RLE decoding + +Other Changes +============= + +If present, only use alpha channel for bounding box +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When the :py:meth:`~PIL.Image.Image.getbbox` method calculates the bounding +box, for an RGB image it trims black pixels. Similarly, for an RGBA image it +would trim black transparent pixels. This is now changed so that if an image +has an alpha channel (RGBA, RGBa, PA, LA, La), any transparent pixels are +trimmed. + +Improved APNG support +^^^^^^^^^^^^^^^^^^^^^ + +Added support for reading and writing Animated Portable Network Graphics (APNG) images. +The PNG plugin now supports using the :py:meth:`~PIL.Image.Image.seek` method and the +:py:class:`~PIL.ImageSequence.Iterator` class to read APNG frame sequences. +The PNG plugin also now supports using the ``append_images`` argument to write APNG frame +sequences. See :ref:`apng-sequences` for further details. diff --git a/docs/releasenotes/7.1.1.rst b/docs/releasenotes/7.1.1.rst new file mode 100644 index 00000000000..2169e6a05b8 --- /dev/null +++ b/docs/releasenotes/7.1.1.rst @@ -0,0 +1,25 @@ +7.1.1 +----- + +Fix regression seeking PNG files +================================ + +This fixes a regression introduced in 7.1.0 when adding support for APNG files when calling +``seek`` and ``tell``: + +.. code-block:: pycon + + >>> from PIL import Image + >>> with Image.open("Tests/images/hopper.png") as im: + ... im.seek(0) + ... + Traceback (most recent call last): + File "", line 2, in + File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/PIL/PngImagePlugin.py", line 739, in seek + if not self._seek_check(frame): + File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/PIL/ImageFile.py", line 306, in _seek_check + return self.tell() != frame + File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/PIL/PngImagePlugin.py", line 827, in tell + return self.__frame + AttributeError: 'PngImageFile' object has no attribute '_PngImageFile__frame' + >>> diff --git a/docs/releasenotes/7.1.2.rst b/docs/releasenotes/7.1.2.rst new file mode 100644 index 00000000000..b12d84e33bd --- /dev/null +++ b/docs/releasenotes/7.1.2.rst @@ -0,0 +1,16 @@ +7.1.2 +----- + +Fix another regression seeking PNG files +======================================== + +This fixes a regression introduced in 7.1.0 when adding support for APNG files. + +When calling ``seek(n)`` on a regular PNG where ``n > 0``, it failed to raise an +``EOFError`` as it should have done, resulting in: + +.. code-block:: pycon + + AttributeError: 'NoneType' object has no attribute 'read' + +Pillow 7.1.2 now raises the correct exception. diff --git a/docs/releasenotes/7.2.0.rst b/docs/releasenotes/7.2.0.rst new file mode 100644 index 00000000000..ff1b7c9e764 --- /dev/null +++ b/docs/releasenotes/7.2.0.rst @@ -0,0 +1,58 @@ +7.2.0 +----- + +API Changes +=========== + +Replaced TiffImagePlugin DEBUG with logging +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``TiffImagePlugin.DEBUG = True`` has been a way to print various debugging +information when interacting with TIFF images. This has now been removed +in favour of Python's ``logging`` module, already used in other places in the +Pillow source code. + +Corrected default offset when writing EXIF data +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, the default ``offset`` argument for +:py:meth:`~PIL.Image.Exif.tobytes` was 0, which did not include the magic +header. It is now 8. + +Moved to ImageFileDirectory_v2 in Image.Exif +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Moved from the legacy :py:class:`PIL.TiffImagePlugin.ImageFileDirectory_v1` to +:py:class:`PIL.TiffImagePlugin.ImageFileDirectory_v2` in +:py:class:`PIL.Image.Exif`. This means that Exif RATIONALs and SIGNED_RATIONALs +are now read as :py:class:`PIL.TiffImagePlugin.IFDRational`, instead of as a +tuple with a numerator and a denominator. + +TIFF BYTE tags format +^^^^^^^^^^^^^^^^^^^^^ + +TIFF BYTE tags were previously read as a tuple containing a bytestring. They +are now read as just a single bytestring. + +Deprecations +^^^^^^^^^^^^ + +Image.show command parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``command`` parameter was deprecated and will be removed in a future release. +Use a subclass of :py:class:`PIL.ImageShow.Viewer` instead. + +Image._showxv +~~~~~~~~~~~~~ + +``Image._showxv`` has been deprecated. Use :py:meth:`~PIL.Image.Image.show` +instead. If custom behaviour is required, use :py:meth:`~PIL.ImageShow.register` to add +a custom :py:class:`~PIL.ImageShow.Viewer` class. + +ImageFile.raise_ioerror +~~~~~~~~~~~~~~~~~~~~~~~ + +``IOError`` was merged into ``OSError`` in Python 3.3. So, ``ImageFile.raise_ioerror`` +is now deprecated and will be removed in a future release. Use +``ImageFile.raise_oserror`` instead. diff --git a/docs/releasenotes/8.0.0.rst b/docs/releasenotes/8.0.0.rst new file mode 100644 index 00000000000..2ff9b3799ba --- /dev/null +++ b/docs/releasenotes/8.0.0.rst @@ -0,0 +1,180 @@ +8.0.0 +----- + +Backwards Incompatible Changes +============================== + +Python 3.5 +^^^^^^^^^^ + +Pillow has dropped support for Python 3.5, which reached end-of-life on 2020-09-13. + +PyPy 7.1.x +^^^^^^^^^^ + +Pillow has dropped support for PyPy3 7.1.1. +PyPy3 7.2.0, released on 2019-10-14, is now the minimum compatible version. + +im.offset +^^^^^^^^^ + +``im.offset()`` has been removed, call :py:func:`.ImageChops.offset()` instead. + +Image.fromstring, im.fromstring and im.tostring +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* ``Image.fromstring()`` has been removed, call :py:func:`.Image.frombytes()` instead. +* ``im.fromstring()`` has been removed, call :py:meth:`~PIL.Image.Image.frombytes()` instead. +* ``im.tostring()`` has been removed, call :py:meth:`~PIL.Image.Image.tobytes()` instead. + +ImageCms.CmsProfile attributes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Some attributes in :py:class:`PIL.ImageCms.CmsProfile` have been removed: + +======================== =================================================== +Removed Use instead +======================== =================================================== +``color_space`` Padded :py:attr:`~.CmsProfile.xcolor_space` +``pcs`` Padded :py:attr:`~.CmsProfile.connection_space` +``product_copyright`` Unicode :py:attr:`~.CmsProfile.copyright` +``product_desc`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_description`` Unicode :py:attr:`~.CmsProfile.profile_description` +``product_manufacturer`` Unicode :py:attr:`~.CmsProfile.manufacturer` +``product_model`` Unicode :py:attr:`~.CmsProfile.model` +======================== =================================================== + +API Changes +=========== + +ImageDraw.text: stroke_width +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Fixed issue where passing ``stroke_width`` with a non-zero value +to :py:meth:`.ImageDraw.text` would cause the text to be offset by that amount. + +ImageDraw.text: anchor +^^^^^^^^^^^^^^^^^^^^^^ + +The ``anchor`` parameter of :py:meth:`.ImageDraw.text` has been implemented. + +Use this parameter to change the position of text relative to the +specified ``xy`` point. See :ref:`text-anchors` for details. + +Add MIME type to PsdImagePlugin +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +"image/vnd.adobe.photoshop" is now registered as the +:py:class:`.PsdImagePlugin.PsdImageFile` MIME type. + +API Additions +============= + +Image.open: add formats parameter +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Added a new ``formats`` parameter to :py:func:`.Image.open`: + +* A list or tuple of formats to attempt to load the file in. + This can be used to restrict the set of formats checked. + Pass ``None`` to try all supported formats. You can print the set of + available formats by running ``python3 -m PIL`` or using + the :py:func:`PIL.features.pilinfo` function. + +ImageOps.autocontrast: add mask parameter +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:func:`.ImageOps.autocontrast` can now take a ``mask`` parameter: + +* Histogram used in contrast operation is computed using pixels within the mask. + If no mask is given the entire image is used for histogram computation. + +ImageOps.autocontrast cutoffs +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, the ``cutoff`` parameter of :py:func:`.ImageOps.autocontrast` could only +be a single number, used as the percent to cut off from the histogram on the low and +high ends. + +Now, it can also be a tuple ``(low, high)``. + +ImageDraw.regular_polygon +^^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method :py:meth:`.ImageDraw.regular_polygon`, draws a regular polygon of ``n_sides``, inscribed in a ``bounding_circle``. + +For example ``draw.regular_polygon(((100, 100), 50), 5)`` +draws a pentagon centered at the point ``(100, 100)`` with a polygon radius of ``50``. + +ImageDraw.text: embedded_color +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The methods :py:meth:`.ImageDraw.text` and :py:meth:`.ImageDraw.multiline_text` +now support fonts with embedded color data. + +To render text with embedded color data, use the parameter ``embedded_color=True``. + +Support for CBDT fonts requires FreeType 2.5 compiled with libpng. +Support for SBIX fonts requires FreeType 2.5.1 compiled with libpng. +Support for COLR fonts requires FreeType 2.10. +SVG fonts are not yet supported. + +ImageDraw.textlength +^^^^^^^^^^^^^^^^^^^^ + +Two new methods :py:meth:`.ImageDraw.textlength` and :py:meth:`.FreeTypeFont.getlength` +were added, returning the exact advance length of text with 1/64 pixel precision. + +These can be used for word-wrapping or rendering text in parts. + +ImageDraw.textbbox +^^^^^^^^^^^^^^^^^^ + +Three new methods :py:meth:`.ImageDraw.textbbox`, :py:meth:`.ImageDraw.multiline_textbbox`, +and :py:meth:`.FreeTypeFont.getbbox` return the bounding box of rendered text. + +These functions accept an ``anchor`` parameter, see :ref:`text-anchors` for details. + +Other Changes +============= + +Improved ellipse-drawing algorithm +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The ellipse-drawing algorithm has been changed from drawing a 360-sided polygon to one +which resembles Bresenham's algorithm for circles. It should be faster and produce +smoother curves, especially for smaller ellipses. + +ImageDraw.text and ImageDraw.multiline_text +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Fixed multiple issues in methods :py:meth:`.ImageDraw.text` and :py:meth:`.ImageDraw.multiline_text` +sometimes causing unexpected text alignment issues. + +The ``align`` parameter of :py:meth:`.ImageDraw.multiline_text` now gives better results in some cases. + +TrueType fonts with embedded bitmaps are now supported. + +Added writing of subIFDs +^^^^^^^^^^^^^^^^^^^^^^^^ + +When saving EXIF data, Pillow is now able to write subIFDs, such as the GPS IFD. This +should happen automatically when saving an image using the EXIF data that it was opened +with, such as in :py:meth:`~PIL.ImageOps.exif_transpose`. + +Previously, the code of the first tag of the subIFD was incorrectly written as the +offset. + +Error for large BMP files +^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, if a BMP file was too large, an ``OSError`` would be raised. Now, +``DecompressionBombError`` is used instead, as Pillow already uses for other formats. + +Dark theme for docs +^^^^^^^^^^^^^^^^^^^ + +The https://pillow.readthedocs.io documentation will use a dark theme if the the user has requested the system use one. Uses the ``prefers-color-scheme`` CSS media query. + + + diff --git a/docs/releasenotes/8.0.1.rst b/docs/releasenotes/8.0.1.rst new file mode 100644 index 00000000000..3584a5d72e9 --- /dev/null +++ b/docs/releasenotes/8.0.1.rst @@ -0,0 +1,22 @@ +8.0.1 +----- + +Security +======== + +Update FreeType used in binary wheels to `2.10.4`_ to fix :cve:`CVE-2020-15999`: + + - A heap buffer overflow has been found in the handling of embedded PNG bitmaps, + introduced in FreeType version 2.6. + + If you use option ``FT_CONFIG_OPTION_USE_PNG`` you should upgrade immediately. + +We strongly recommend updating to Pillow 8.0.1 if you are using Pillow 8.0.0, which improved support for bitmap fonts. + +In Pillow 7.2.0 and earlier bitmap fonts were disabled with ``FT_LOAD_NO_BITMAP``, but it is not +clear if this prevents the exploit and we recommend updating to Pillow 8.0.1. + +Pillow 8.0.0 and earlier are potentially vulnerable releases, including the last release +to support Python 2.7, namely Pillow 6.2.2. + +.. _2.10.4: https://sourceforge.net/projects/freetype/files/freetype2/2.10.4/ diff --git a/docs/releasenotes/8.1.0.rst b/docs/releasenotes/8.1.0.rst new file mode 100644 index 00000000000..8ed1d9d85cc --- /dev/null +++ b/docs/releasenotes/8.1.0.rst @@ -0,0 +1,93 @@ +8.1.0 +----- + +Deprecations +============ + +FreeType 2.7 +^^^^^^^^^^^^ + +Support for FreeType 2.7 is deprecated and will be removed in Pillow 9.0.0 (2022-01-02), +when FreeType 2.8 will be the minimum supported. + +We recommend upgrading to at least FreeType `2.10.4`_, which fixed a severe +vulnerability introduced in FreeType 2.6 (:cve:`CVE-2020-15999`). + +.. _2.10.4: https://sourceforge.net/projects/freetype/files/freetype2/2.10.4/ + +Makefile +^^^^^^^^ + +The ``install-venv`` target has been deprecated. + +API Additions +============= + +Append images to ICO +^^^^^^^^^^^^^^^^^^^^ + +When saving an ICO image, the file may contain versions of the image at different +sizes. By default, Pillow will scale down the main image to create these copies. + +With this release, a list of images can be provided to the ``append_images`` parameter +when saving, to replace the scaled down versions. This is the same functionality that +already exists for the ICNS format. + +Security +======== + +This release includes security fixes. + +* An out-of-bounds read when saving TIFFs with custom metadata through LibTIFF +* An out-of-bounds read when saving a GIF of 1px width +* :cve:`CVE-2020-35653` Buffer read overrun in PCX decoding + +The PCX image decoder used the reported image stride to calculate the row buffer, +rather than calculating it from the image size. This issue dates back to the PIL fork. +Thanks to Google's `OSS-Fuzz`_ project for finding this. + +* :cve:`CVE-2020-35654` Fix TIFF out-of-bounds write error + +Out-of-bounds write in ``TiffDecode.c`` when reading corrupt YCbCr files in some +LibTIFF versions (4.1.0/Ubuntu 20.04, but not 4.0.9/Ubuntu 18.04). In some cases +LibTIFF's interpretation of the file is different when reading in RGBA mode, leading to +an out-of-bounds write in ``TiffDecode.c``. This potentially affects Pillow versions +from 6.0.0 to 8.0.1, depending on the version of LibTIFF. This was reported through +`Tidelift`_. + +* :cve:`CVE-2020-35655` Fix for SGI Decode buffer overrun + +4 byte read overflow in ``SgiRleDecode.c``, where the code was not correctly checking the +offsets and length tables. Independently reported through `Tidelift`_ and Google's +`OSS-Fuzz`_. This vulnerability covers Pillow versions 4.3.0->8.0.1. + +.. _Tidelift: https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pillow&utm_medium=referral&utm_campaign=docs +.. _OSS-Fuzz: https://github.com/google/oss-fuzz + +Dependencies +^^^^^^^^^^^^ + +OpenJPEG in the macOS and Linux wheels has been updated from 2.3.1 to 2.4.0, including +security fixes. + +LibTIFF in the macOS and Linux wheels has been updated from 4.1.0 to 4.2.0, including +security fixes discovered by fuzzers. + +Other Changes +============= + +Makefile +^^^^^^^^ + +The ``co`` target has been removed. + +PyPy wheels +^^^^^^^^^^^ + +Wheels have been added for PyPy 3.7. + +PySide6 +^^^^^^^ + +Support has been added for PySide6. If it is installed, it will be used instead of +PyQt5 or PySide2, since it is based on a newer Qt. diff --git a/docs/releasenotes/8.1.1.rst b/docs/releasenotes/8.1.1.rst new file mode 100644 index 00000000000..4081c49ca5c --- /dev/null +++ b/docs/releasenotes/8.1.1.rst @@ -0,0 +1,27 @@ +8.1.1 +----- + +Security +======== + +:cve:`CVE-2021-25289`: The previous fix for :cve:`CVE-2020-35654` was insufficient +due to incorrect error checking in ``TiffDecode.c``. + +:cve:`CVE-2021-25290`: In ``TiffDecode.c``, there is a negative-offset ``memcpy`` +with an invalid size. + +:cve:`CVE-2021-25291`: In ``TiffDecode.c``, invalid tile boundaries could lead to +an out-of-bounds read in ``TIFFReadRGBATile``. + +:cve:`CVE-2021-25292`: The PDF parser has a catastrophic backtracking regex +that could be used as a DOS attack. + +:cve:`CVE-2021-25293`: There is an out-of-bounds read in ``SgiRleDecode.c``, +since Pillow 4.3.0. + + +Other Changes +============= + +A crash with the feature flags for libimagequant, libjpeg-turbo, WebP and XCB on +unreleased Python 3.10 has been fixed (:issue:`5193`). diff --git a/docs/releasenotes/8.1.2.rst b/docs/releasenotes/8.1.2.rst new file mode 100644 index 00000000000..50d132f3337 --- /dev/null +++ b/docs/releasenotes/8.1.2.rst @@ -0,0 +1,12 @@ +8.1.2 +----- + +Security +======== + +There is an exhaustion of memory DOS in the BLP (:cve:`CVE-2021-27921`), +ICNS (:cve:`CVE-2021-27922`) and ICO (:cve:`CVE-2021-27923`) container formats +where Pillow did not properly check the reported size of the contained image. +These images could cause arbitrarily large memory allocations. This was reported +by Jiayi Lin, Luke Shaffer, Xinran Xie, and Akshay Ajayan of +`Arizona State University `_. diff --git a/docs/releasenotes/8.2.0.rst b/docs/releasenotes/8.2.0.rst new file mode 100644 index 00000000000..c902ccf71fb --- /dev/null +++ b/docs/releasenotes/8.2.0.rst @@ -0,0 +1,230 @@ +8.2.0 +----- + +Deprecations +============ + +Categories +^^^^^^^^^^ + +``im.category`` is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +along with the related ``Image.NORMAL``, ``Image.SEQUENCE`` and +``Image.CONTAINER`` attributes. + +To determine if an image has multiple frames or not, +``getattr(im, "is_animated", False)`` can be used instead. + +Tk/Tcl 8.4 +^^^^^^^^^^ + +Support for Tk/Tcl 8.4 is deprecated and will be removed in Pillow 10.0.0 (2023-07-01), +when Tk/Tcl 8.5 will be the minimum supported. + +API Changes +=========== + +Image.alpha_composite: dest +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +When calling :py:meth:`~PIL.Image.Image.alpha_composite`, the ``dest`` argument now +accepts negative co-ordinates, like the upper left corner of the ``box`` argument of +:py:meth:`~PIL.Image.Image.paste` can be negative. Naturally, this has effect of +cropping the overlaid image. + +Image.getexif: EXIF and GPS IFD +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, :py:meth:`~PIL.Image.Image.getexif` flattened the EXIF IFD into the rest of +the data, losing information. This information is now kept separate, moved under +``im.getexif().get_ifd(0x8769)``. + +Direct access to the GPS IFD dictionary was possible through ``im.getexif()[0x8825]``. +This is now consistent with other IFDs, and must be accessed through +``im.getexif().get_ifd(0x8825)``. + +These changes only affect :py:meth:`~PIL.Image.Image.getexif`, introduced in Pillow +6.0. The older ``_getexif()`` methods are unaffected. + +Image._MODEINFO +^^^^^^^^^^^^^^^ + +This internal dictionary had been deprecated by a comment since PIL, and is now +removed. Instead, ``Image.getmodebase()``, ``Image.getmodetype()``, +``Image.getmodebandnames()``, ``Image.getmodebands()`` or ``ImageMode.getmode()`` +can be used. + +API Additions +============= + +getxmp() for JPEG images +^^^^^^^^^^^^^^^^^^^^^^^^ + +A new method has been added to return +`XMP data `_ for JPEG +images. It reads the XML data into a dictionary of names and values. + +For example:: + + >>> from PIL import Image + >>> with Image.open("Tests/images/xmp_test.jpg") as im: + >>> print(im.getxmp()) + {'RDF': {}, 'Description': {'Version': '10.4', 'ProcessVersion': '10.0', ...}, ...} + +ImageDraw.rounded_rectangle +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Added :py:meth:`~PIL.ImageDraw.ImageDraw.rounded_rectangle`. It works the same as +:py:meth:`~PIL.ImageDraw.ImageDraw.rectangle`, except with an additional ``radius`` +argument. ``radius`` is limited to half of the width or the height, so that users can +create a circle, but not any other ellipse. + +.. code-block:: python + + from PIL import Image, ImageDraw + im = Image.new("RGB", (200, 200)) + draw = ImageDraw.Draw(im) + draw.rounded_rectangle(xy=(10, 20, 190, 180), radius=30, fill="red") + +ImageOps.autocontrast: preserve_tone +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The default behaviour of :py:meth:`~PIL.ImageOps.autocontrast` is to normalize +separate histograms for each color channel, changing the tone of the image. The new +``preserve_tone`` argument keeps the tone unchanged by using one luminance histogram +for all channels. + +ImageShow.GmDisplayViewer +^^^^^^^^^^^^^^^^^^^^^^^^^ + +If GraphicsMagick is present, this new :py:class:`PIL.ImageShow.Viewer` subclass will +be registered. It uses GraphicsMagick_, an ImageMagick_ fork, to display images. + +The GraphicsMagick based viewer has a lower priority than its ImageMagick +counterpart. Thus, if both ImageMagick and GraphicsMagick are installed, +``im.show()`` and :py:func:`.ImageShow.show()` prefer the viewer based on +ImageMagick, i.e the behaviour stays the same for Pillow users having +ImageMagick installed. + +ImageShow.IPythonViewer +^^^^^^^^^^^^^^^^^^^^^^^ + +If IPython is present, this new :py:class:`PIL.ImageShow.Viewer` subclass will be +registered. It displays images on all IPython frontends. This will be helpful +to users of Google Colab, allowing ``im.show()`` to display images. + +It is lower in priority than the other default :py:class:`PIL.ImageShow.Viewer` +instances, so it will only be used by ``im.show()`` or :py:func:`.ImageShow.show()` +if none of the other viewers are available. This means that the behaviour of +:py:class:`PIL.ImageShow` will stay the same for most Pillow users. + +Saving TIFF with ICC profile +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +As is already possible for JPEG, PNG and WebP, the ICC profile for TIFF files can now +be specified through a keyword argument:: + + im.save("out.tif", icc_profile=...) + + +Security +======== + +These were all found with `OSS-Fuzz`_. + +:cve:`CVE-2021-25287`, :cve:`CVE-2021-25288`: Fix OOB read in Jpeg2KDecode +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* For J2k images with multiple bands, it's legal to have different widths for each band, + e.g. 1 byte for ``L``, 4 bytes for ``A``. +* This dates to Pillow 2.4.0. + +:cve:`CVE-2021-28675`: Fix DOS in PsdImagePlugin +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* :py:class:`.PsdImagePlugin.PsdImageFile` did not sanity check the number of input + layers with regard to the size of the data block, this could lead to a + denial-of-service on :py:meth:`~PIL.Image.open` prior to + :py:meth:`~PIL.Image.Image.load`. +* This dates to the PIL fork. + +:cve:`CVE-2021-28676`: Fix FLI DOS +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* ``FliDecode.c`` did not properly check that the block advance was non-zero, + potentially leading to an infinite loop on load. +* This dates to the PIL fork. + +:cve:`CVE-2021-28677`: Fix EPS DOS on _open +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* The readline used in EPS has to deal with any combination of ``\r`` and ``\n`` as line + endings. It accidentally used a quadratic method of accumulating lines while looking + for a line ending. +* A malicious EPS file could use this to perform a denial-of-service of Pillow in the + open phase, before an image was accepted for opening. +* This dates to the PIL fork. + +:cve:`CVE-2021-28678`: Fix BLP DOS +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* ``BlpImagePlugin`` did not properly check that reads after jumping to file offsets + returned data. This could lead to a denial-of-service where the decoder could be run a + large number of times on empty data. +* This dates to Pillow 5.1.0. + +Fix memory DOS in ImageFont +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +* A corrupt or specially crafted TTF font could have font metrics that lead to + unreasonably large sizes when rendering text in font. ``ImageFont.py`` did not check + the image size before allocating memory for it. +* This dates to the PIL fork. + +Other Changes +============= + +GIF writer uses LZW encoding +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +GIF files are now written using LZW encoding, which will generate smaller files, +typically about 70% of the size generated by the older encoder. + +The pixel data is encoded using the format specified in the `CompuServe GIF standard +`_. + +The older encoder used a variant of run-length encoding that was compatible but less +efficient. + +GraphicsMagick +^^^^^^^^^^^^^^ + +The test suite can now be run on systems which have GraphicsMagick_ but not +ImageMagick_ installed. If both are installed, the tests prefer ImageMagick. + +Libraqm and FriBiDi linking +^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The way the libraqm dependency for complex text scripts is linked has been changed: + +Source builds will now link against the system version of libraqm at build time +rather than at runtime by default. + +Binary wheels now include a statically linked modified version of libraqm that +links against FriBiDi at runtime instead. This change is intended to address +issues with the previous implementation on some platforms. These are created +by building Pillow with the new build flags ``--vendor-raqm --vendor-fribidi``. + +Windows users will now need to install ``fribidi.dll`` (or ``fribidi-0.dll``) only, +``libraqm.dll`` is no longer used. + +See :doc:`installation documentation<../installation>` for more information. + +PyQt6 +^^^^^ + +Support has been added for PyQt6. If it is installed, it will be used instead of +PySide6, PyQt5 or PySide2. + +.. _GraphicsMagick: http://www.graphicsmagick.org/ +.. _ImageMagick: https://imagemagick.org/ +.. _OSS-Fuzz: https://github.com/google/oss-fuzz diff --git a/docs/releasenotes/8.3.0.rst b/docs/releasenotes/8.3.0.rst new file mode 100644 index 00000000000..0bfead14470 --- /dev/null +++ b/docs/releasenotes/8.3.0.rst @@ -0,0 +1,113 @@ +8.3.0 +----- + +Deprecations +============ + +JpegImagePlugin.convert_dict_qtables +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +JPEG ``quantization`` is now automatically converted, but still returned as a +dictionary. The :py:attr:`~PIL.JpegImagePlugin.convert_dict_qtables` method no longer +performs any operations on the data given to it, has been deprecated and will be +removed in Pillow 10.0.0 (2023-07-01). + +API Changes +=========== + +Changed WebP default "method" value when saving +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Previously, it was 0, for the best speed. The default has now been changed to 4, to +match WebP's default, for higher quality with still some speed optimisation. + +Default resampling filter for special image modes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Pillow 7.0 changed the default resampling filter to ``Image.BICUBIC``. However, as this +is not supported yet for images with a custom number of bits, the default filter for +those modes has been reverted to ``Image.NEAREST``. + +ImageMorph incorrect mode errors +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +For ``apply()``, ``match()`` and ``get_on_pixels()``, if the image mode is not L, an +:py:exc:`Exception` was thrown. This has now been changed to a :py:exc:`ValueError`. + +getxmp() +^^^^^^^^ + +`XMP data `_ can now be +returned for PNG and TIFF images, through ``getxmp()`` for each format. + +The returned dictionary will start from the base of the XML, meaning that the top level +should contain an "xmpmeta" key. JPEG's ``getxmp()`` method has also been updated to +this structure. + +TIFF getexif() +^^^^^^^^^^^^^^ + +TIFF :py:attr:`~PIL.TiffImagePlugin.TiffImageFile.tag_v2` data can now be accessed +through :py:meth:`~PIL.Image.Image.getexif`. This also provides access to the GPS and +EXIF IFDs, through ``im.getexif().get_ifd(0x8825)`` and +``im.getexif().get_ifd(0x8769)`` respectively. + +API Additions +============= + +ImageOps.contain +^^^^^^^^^^^^^^^^ + +Returns a resized version of the image, set to the maximum width and height within +``size``, while maintaining the original aspect ratio. + +To compare it to other ImageOps methods: + +- :py:meth:`~PIL.ImageOps.fit` expands an image until is fills ``size``, cropping the + parts of the image that do not fit. +- :py:meth:`~PIL.ImageOps.pad` expands an image to fill ``size``, without cropping, but + instead filling the extra space with ``color``. +- :py:meth:`~PIL.ImageOps.contain` is similar to :py:meth:`~PIL.ImageOps.pad`, but it + does not fill the extra space. Instead, the original aspect ratio is maintained. So + unlike the other two methods, it is not guaranteed to return an image of ``size``. + +ICO saving: bitmap_format argument +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +By default, Pillow saves ICO files in the PNG format. They can now also be saved in BMP +format, through the new ``bitmap_format`` argument:: + + im.save("out.ico", bitmap_format="bmp") + +Security +======== + +Buffer overflow +^^^^^^^^^^^^^^^ + +This release addresses :cve:`CVE-2021-34552`. PIL since 1.1.4 and Pillow since 1.0 +allowed parameters passed into a convert function to trigger buffer overflow in +Convert.c. + +Parsing XML +^^^^^^^^^^^ + +Pillow previously parsed XMP data using Python's ``xml`` module. However, this module +is not secure. + +- :py:meth:`~PIL.Image.Image.getexif` has used ``xml`` to potentially retrieve + orientation data since Pillow 7.2.0. It has been refactored to use ``re`` instead. +- :py:meth:`~PIL.JpegImagePlugin.JpegImageFile.getxmp` was added in Pillow 8.2.0. It + will now use ``defusedxml`` instead. If the dependency is not present, an empty + dictionary will be returned and a warning raised. + +Other Changes +============= + +Added DDS BC5 reading and uncompressed saving +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Support has been added to read the BC5 format of DDS images, whether UNORM, SNORM or +TYPELESS. + +Support has also been added to write the uncompressed format of DDS images. diff --git a/docs/releasenotes/8.3.1.rst b/docs/releasenotes/8.3.1.rst new file mode 100644 index 00000000000..e97070c111c --- /dev/null +++ b/docs/releasenotes/8.3.1.rst @@ -0,0 +1,40 @@ +8.3.1 +----- + +Fixed regression converting to NumPy arrays +=========================================== + +This fixes a regression introduced in 8.3.0 when converting an image to a NumPy array +with a ``dtype`` argument. + +.. code-block:: pycon + + >>> from PIL import Image + >>> import numpy + >>> im = Image.new("RGB", (100, 100)) + >>> numpy.array(im, dtype=numpy.float64) + Traceback (most recent call last): + File "", line 1, in + TypeError: __array__() takes 1 positional argument but 2 were given + >>> + +Catch OSError when checking if destination is sys.stdout +======================================================== + +In 8.3.0, a check to see if the destination was ``sys.stdout`` when saving an image was +updated. This lead to an OSError being raised if the environment restricted access. + +The OSError is now silently caught. + +Fixed removing orientation in ImageOps.exif_transpose +===================================================== + +In 8.3.0, :py:meth:`~PIL.ImageOps.exif_transpose` was changed to ensure that the +original image EXIF data was not modified, and the orientation was only removed from +the modified copy. + +However, for certain images the orientation was already missing from the modified +image, leading to a KeyError. + +This error has been resolved, and the copying of metadata to the modified image +improved. diff --git a/docs/releasenotes/8.3.2.rst b/docs/releasenotes/8.3.2.rst new file mode 100644 index 00000000000..6b5c759fc0a --- /dev/null +++ b/docs/releasenotes/8.3.2.rst @@ -0,0 +1,41 @@ +8.3.2 +----- + +Security +======== + +* :cve:`CVE-2021-23437`: Avoid a potential ReDoS (regular expression denial of service) + in :py:class:`~PIL.ImageColor`'s :py:meth:`~PIL.ImageColor.getrgb` by raising + :py:exc:`ValueError` if the color specifier is too long. Present since Pillow 5.2.0. + +* Fix 6-byte out-of-bounds (OOB) read. The previous bounds check in ``FliDecode.c`` + incorrectly calculated the required read buffer size when copying a chunk, potentially + reading six extra bytes off the end of the allocated buffer from the heap. Present + since Pillow 7.1.0. This bug was found by Google's `OSS-Fuzz`_ `CIFuzz`_ runs. + +Other Changes +============= + +Python 3.10 wheels +^^^^^^^^^^^^^^^^^^ + +Pillow now includes binary wheels for Python 3.10. + +The Python 3.10 release candidate was released on 2021-08-03 with the final release due +2021-10-04 (:pep:`619`). The CPython core team strongly encourages maintainers of +third-party Python projects to prepare for 3.10 compatibility. And as there are `no ABI +changes`_ planned we are releasing wheels to help others prepare for 3.10, and ensure +Pillow can be used immediately on release day of 3.10.0 final. + +Fixed regressions +^^^^^^^^^^^^^^^^^ + +* Ensure TIFF ``RowsPerStrip`` is multiple of 8 for JPEG compression (:pr:`5588`). + +* Updates for :py:class:`~PIL.ImagePalette` channel order (:pr:`5599`). + +* Hide FriBiDi shim symbols to avoid conflict with real FriBiDi library (:pr:`5651`). + +.. _OSS-Fuzz: https://github.com/google/oss-fuzz +.. _CIFuzz: https://google.github.io/oss-fuzz/getting-started/continuous-integration/ +.. _no ABI changes: https://www.python.org/downloads/release/python-3100rc1/ diff --git a/docs/releasenotes/8.4.0.rst b/docs/releasenotes/8.4.0.rst new file mode 100644 index 00000000000..9becf91465e --- /dev/null +++ b/docs/releasenotes/8.4.0.rst @@ -0,0 +1,53 @@ +8.4.0 +----- + +API Changes +=========== + +Deprecations +^^^^^^^^^^^^ + +ImagePalette size parameter +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The ``size`` parameter will be removed in Pillow 10.0.0 (2023-07-01). + +Before Pillow 8.3.0, ``ImagePalette`` required palette data of particular lengths by +default, and the size parameter could be used to override that. Pillow 8.3.0 removed +the default required length, also removing the need for the size parameter. + +API Additions +============= + +Added "transparency" argument for loading EPS images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +This new argument switches the Ghostscript device from "ppmraw" to "pngalpha", +generating an RGBA image with a transparent background instead of an RGB image with a +white background. + +.. code-block:: python + + with Image.open("sample.eps") as im: + im.load(transparency=True) + +Added WalImageFile class +^^^^^^^^^^^^^^^^^^^^^^^^ + +:py:func:`PIL.WalImageFile.open()` previously returned a generic +:py:class:`PIL.Image.Image` instance. It now returns a dedicated +:py:class:`PIL.WalImageFile.WalImageFile` class. + +Other Changes +============= + +Speed improvement when rotating square images +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Starting with Pillow 3.3.0, the speed of rotating images by 90 or 270 degrees was +improved by quickly returning :py:meth:`~PIL.Image.Image.transpose` instead, if the +rotate operation allowed for expansion and did not specify a center or post-rotate +translation. + +Since the ``expand`` flag makes no difference for square images though, Pillow now +uses this faster method for square images without the ``expand`` flag as well. diff --git a/docs/releasenotes/9.0.0.rst b/docs/releasenotes/9.0.0.rst new file mode 100644 index 00000000000..947ccd849e3 --- /dev/null +++ b/docs/releasenotes/9.0.0.rst @@ -0,0 +1,171 @@ +9.0.0 +----- + +Fredrik Lundh +============= + +This release is dedicated to the memory of Fredrik Lundh, aka Effbot, who died in +November 2021. Fredrik created PIL in 1995 and he was instrumental in the early +success of Python. + +`Guido wrote `_: + + Fredrik was an early Python contributor (e.g. Elementtree and the 're' + module) and his enthusiasm for the language and community were inspiring + for all who encountered him or his work. He spent countless hours on + comp.lang.python answering questions from newbies and advanced users alike. + + He also co-founded an early Python startup, Secret Labs AB, which among + other software released an IDE named PythonWorks. Fredrik also created the + Python Imaging Library (PIL) which is still THE way to interact with images + in Python, now most often through its Pillow fork. His effbot.org site was + a valuable resource for generations of Python users, especially its Tkinter + documentation. + +Thank you, Fredrik. + +Backwards Incompatible Changes +============================== + +Python 3.6 +^^^^^^^^^^ + +Pillow has dropped support for Python 3.6, which reached end-of-life on 2021-12-23. + +PILLOW_VERSION constant +^^^^^^^^^^^^^^^^^^^^^^^ + +``PILLOW_VERSION`` has been removed. Use ``__version__`` instead. + +FreeType 2.7 +^^^^^^^^^^^^ + +Support for FreeType 2.7 has been removed; FreeType 2.8 is the minimum supported. + +We recommend upgrading to at least `FreeType`_ 2.10.4, which fixed a severe +vulnerability introduced in FreeType 2.6 (:cve:`CVE-2020-15999`). + +.. _FreeType: https://www.freetype.org + +Image.show command parameter +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The ``command`` parameter has been removed. Use a subclass of +:py:class:`PIL.ImageShow.Viewer` instead. + +Image._showxv +^^^^^^^^^^^^^ + +``Image._showxv`` has been removed. Use :py:meth:`~PIL.Image.Image.show` +instead. If custom behaviour is required, use :py:meth:`~PIL.ImageShow.register` to add +a custom :py:class:`~PIL.ImageShow.Viewer` class. + +ImageFile.raise_ioerror +^^^^^^^^^^^^^^^^^^^^^^^ + +``IOError`` was merged into ``OSError`` in Python 3.3. So, ``ImageFile.raise_ioerror`` +has been removed. Use ``ImageFile.raise_oserror`` instead. + + +API Changes +=========== + +Added line width parameter to ImageDraw polygon +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +An optional line ``width`` parameter has been added to ``ImageDraw.Draw.polygon``. + + +API Additions +============= + +ImageShow.XDGViewer +^^^^^^^^^^^^^^^^^^^ + +If ``xdg-open`` is present on Linux, this new :py:class:`PIL.ImageShow.Viewer` subclass +will be registered. It displays images using the application selected by the system. + +It is higher in priority than the other default :py:class:`PIL.ImageShow.Viewer` +instances, so it will be preferred by ``im.show()`` or :py:func:`.ImageShow.show()`. + +Added support for "title" argument to DisplayViewer +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Support has been added for the "title" argument in +:py:class:`~PIL.ImageShow.UnixViewer.DisplayViewer`, so that when ``im.show()`` or +:py:func:`.ImageShow.show()` use the ``display`` command line tool, the "title" +argument will also now be supported, e.g. ``im.show(title="My Image")`` and +``ImageShow.show(im, title="My Image")``. + +Security +======== + +Ensure JpegImagePlugin stops at the end of a truncated file +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +``JpegImagePlugin`` may append an EOF marker to the end of a truncated file, so that +the last segment of the data will still be processed by the decoder. + +If the EOF marker is not detected as such however, this could lead to an infinite +loop where ``JpegImagePlugin`` keeps trying to end the file. + +Remove consecutive duplicate tiles that only differ by their offset +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +To prevent attempts to slow down loading times for images, if an image has consecutive +duplicate tiles that only differ by their offset, only load the last tile. Credit to +Google's `OSS-Fuzz`_ project for finding this issue. + +Restrict builtins available to ImageMath.eval +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:cve:`CVE-2022-22817`: To limit :py:class:`PIL.ImageMath` to working with images, Pillow +will now restrict the builtins available to :py:meth:`PIL.ImageMath.eval`. This will +help prevent problems arising if users evaluate arbitrary expressions, such as +``ImageMath.eval("exec(exit())")``. + +Fixed ImagePath.Path array handling +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +:cve:`CVE-2022-22815` (:cwe:`CWE-126`) and :cve:`CVE-2022-22816` (:cwe:`CWE-665`) were +found when initializing ``ImagePath.Path``. + +.. _OSS-Fuzz: https://github.com/google/oss-fuzz + +Other Changes +============= + +Convert subsequent GIF frames to RGB or RGBA +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Since each frame of a GIF can have up to 256 colors, after the first frame it is +possible for there to be too many colors to fit in a P mode image. To allow for this, +seeking to any subsequent GIF frame will now convert the image to RGB or RGBA, +depending on whether or not the first frame had transparency. + +Switched to libjpeg-turbo in macOS and Linux wheels +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +The Pillow wheels from PyPI for macOS and Linux have switched from libjpeg to +libjpeg-turbo. It is a fork of libjpeg, popular for its speed. + +Added support for pickling TrueType fonts +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +TrueType fonts may now be pickled and unpickled. For example: + +.. code-block:: python + + import pickle + from PIL import ImageFont + + font = ImageFont.truetype("arial.ttf", size=30) + pickled_font = pickle.dumps(font, protocol=pickle.HIGHEST_PROTOCOL) + + # Later... + unpickled_font = pickle.loads(pickled_font) + +Added support for additional TGA orientations +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +TGA images with top right or bottom right orientations are now supported. diff --git a/docs/releasenotes/9.0.1.rst b/docs/releasenotes/9.0.1.rst new file mode 100644 index 00000000000..5d1b246bce9 --- /dev/null +++ b/docs/releasenotes/9.0.1.rst @@ -0,0 +1,23 @@ +9.0.1 +----- + +Security +======== + +This release addresses several security problems. + +:cve:`CVE-2022-24303`: If the path to the temporary directory on Linux or macOS +contained a space, this would break removal of the temporary image file after +``im.show()`` (and related actions), and potentially remove an unrelated file. This +been present since PIL. + +:cve:`CVE-2022-22817`: While Pillow 9.0 restricted top-level builtins available to +:py:meth:`PIL.ImageMath.eval`, it did not prevent builtins available to lambda +expressions. These are now also restricted. + +Other Changes +============= + +Pillow 9.0 added support for ``xdg-open`` as an image viewer, but there have been +reports that the temporary image file was removed too quickly to be loaded into the +final application. A delay has been added. diff --git a/docs/releasenotes/index.rst b/docs/releasenotes/index.rst index 0ee853fca9d..e9b11c220e8 100644 --- a/docs/releasenotes/index.rst +++ b/docs/releasenotes/index.rst @@ -1,11 +1,46 @@ Release Notes ============= +Pillow is released quarterly on January 2nd, April 1st, July 1st and October 15th. +Patch releases are created if the latest release contains severe bugs, or if security +fixes are put together before a scheduled release. See :ref:`versioning` for more +information. + +Please use the latest version of Pillow. Functionality and security fixes should not be +expected to be backported to earlier versions. + .. note:: Contributors please include release notes as needed or appropriate with your bug fixes, feature additions and tests. .. toctree:: :maxdepth: 2 + 9.0.1 + 9.0.0 + 8.4.0 + 8.3.2 + 8.3.1 + 8.3.0 + 8.2.0 + 8.1.2 + 8.1.1 + 8.1.0 + 8.0.1 + 8.0.0 + 7.2.0 + 7.1.2 + 7.1.1 + 7.1.0 + 7.0.0 + 6.2.2 + 6.2.1 + 6.2.0 + 6.1.0 + 6.0.0 + 5.4.1 + 5.4.0 + 5.3.0 + 5.2.0 + 5.1.0 5.0.0 4.3.0 4.2.1 @@ -23,3 +58,4 @@ Release Notes 3.0.0 2.8.0 2.7.0 + versioning diff --git a/docs/releasenotes/template.rst b/docs/releasenotes/template.rst new file mode 100644 index 00000000000..f7271ae2bf8 --- /dev/null +++ b/docs/releasenotes/template.rst @@ -0,0 +1,48 @@ +x.y.z +----- + +Backwards Incompatible Changes +============================== + +TODO +^^^^ + +Deprecations +============ + +TODO +^^^^ + +TODO + +API Changes +=========== + +TODO +^^^^ + +TODO + +API Additions +============= + +TODO +^^^^ + +TODO + +Security +======== + +TODO +^^^^ + +TODO + +Other Changes +============= + +TODO +^^^^ + +TODO diff --git a/docs/releasenotes/versioning.rst b/docs/releasenotes/versioning.rst new file mode 100644 index 00000000000..87f2ba422b3 --- /dev/null +++ b/docs/releasenotes/versioning.rst @@ -0,0 +1,30 @@ +.. _versioning: + +Versioning +========== + +Pillow follows `Semantic Versioning `_: + + Given a version number MAJOR.MINOR.PATCH, increment the: + + 1. MAJOR version when you make incompatible API changes, + 2. MINOR version when you add functionality in a backwards compatible manner, and + 3. PATCH version when you make backwards compatible bug fixes. + +Quarterly releases ("`Main Release `_") +bump at least the MINOR version, as new functionality has likely been added in the +prior three months. + +A quarterly release bumps the MAJOR version when incompatible API changes are +made, such as removing deprecated APIs or dropping an EOL Python version. In practice, +these occur every 12-18 months, guided by +`Python's EOL schedule `_, and +any APIs that have been deprecated for at least a year are removed at the same time. + +PATCH versions ("`Point Release `_" +or "`Embargoed Release `_") +are for security, installation or critical bug fixes. These are less common as it is +preferred to stick to quarterly releases. + +Between quarterly releases, ``.dev0`` is appended to the ``main`` branch, indicating that +this is not a formally released copy. diff --git a/docs/resources/anchor_horizontal.svg b/docs/resources/anchor_horizontal.svg new file mode 100644 index 00000000000..a0648a10cb8 --- /dev/null +++ b/docs/resources/anchor_horizontal.svg @@ -0,0 +1,467 @@ + + + + + Pillow horizontal text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + image/svg+xml + + Pillow horizontal text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + (d) descender + (s) baseline + (a) ascender + (m) middle + (t) top + (b) bottom + (l) left + (r) right + (m) middle + + + Horizontal text + + diff --git a/docs/resources/anchor_vertical.svg b/docs/resources/anchor_vertical.svg new file mode 100644 index 00000000000..95da30ffde2 --- /dev/null +++ b/docs/resources/anchor_vertical.svg @@ -0,0 +1,841 @@ + + + + + Pillow vertical text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + image/svg+xml + + Pillow vertical text anchors + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + (l)left + (s) baseline + (r)right + (t) top + (m) middle + (b) bottom + (m)middle + (l)left + (s) baseline + (r)right + (t) top + (m) middle + (b) bottom + (m)middle + + + Verticaltext + + diff --git a/docs/resources/css/dark.css b/docs/resources/css/dark.css new file mode 100644 index 00000000000..8866c07eabd --- /dev/null +++ b/docs/resources/css/dark.css @@ -0,0 +1,1996 @@ +@media (prefers-color-scheme: dark) { + html { + background-color: #181a1b !important; + } + + html, body, input, textarea, select, button { + background-color: #181a1b; + } + + html, body, input, textarea, select, button { + border-color: #736b5e; + color: #e8e6e3; + } + + a { + color: #3391ff; + } + + table { + border-color: #545b5e; + } + + ::placeholder { + color: #b2aba1; + } + + input:-webkit-autofill, + textarea:-webkit-autofill, + select:-webkit-autofill { + background-color: #555b00 !important; + color: #e8e6e3 !important; + } + + ::selection { + background-color: #004daa !important; + color: #e8e6e3 !important; + } + + ::-moz-selection { + background-color: #004daa !important; + color: #e8e6e3 !important; + } + + /* Invert Style */ + .jfk-bubble.gtx-bubble, embed[type="application/pdf"] { + filter: invert(100%) hue-rotate(180deg) contrast(90%) !important; + } + + /* Override Style */ + .vimvixen-hint { + background-color: #7b5300 !important; + border-color: #d8b013 !important; + color: #f3e8c8 !important; + } + + ::placeholder { + opacity: 0.5 !important; + } + + /* Variables Style */ + :root { + --darkreader-neutral-background: #181a1b; + --darkreader-neutral-text: #e8e6e3; + --darkreader-selection-background: #004daa; + --darkreader-selection-text: #e8e6e3; + } + + /* Modified CSS */ + a:hover, + a:active { + outline-color: initial; + } + + abbr[title] { + border-bottom-color: initial; + } + + ins { + background-image: initial; + background-color: rgb(112, 112, 0); + color: rgb(232, 230, 227); + text-decoration-color: initial; + } + + mark { + background-image: initial; + background-color: rgb(204, 204, 0); + color: rgb(232, 230, 227); + } + + ul, + ol, + dl { + list-style-image: none; + } + + li { + list-style-image: initial; + } + + img { + border-color: initial; + } + + fieldset { + border-color: initial; + } + + legend { + border-color: initial; + } + + .chromeframe { + background-image: initial; + background-color: rgb(53, 57, 59); + color: rgb(232, 230, 227); + } + + .ir { + border-color: initial; + background-color: transparent; + } + + .visuallyhidden { + border-color: initial; + } + + .fa-border { + border-color: rgb(53, 57, 59); + } + + .fa-inverse { + color: rgb(232, 230, 227); + } + + .sr-only { + border-color: initial; + } + + .fa::before, + .wy-menu-vertical li span.toctree-expand::before, + .wy-menu-vertical li.on a span.toctree-expand::before, + .wy-menu-vertical li.current > a span.toctree-expand::before, + .rst-content .admonition-title::before, + .rst-content h1 .headerlink::before, + .rst-content h2 .headerlink::before, + .rst-content h3 .headerlink::before, + .rst-content h4 .headerlink::before, + .rst-content h5 .headerlink::before, + .rst-content h6 .headerlink::before, + .rst-content dl dt .headerlink::before, + .rst-content p.caption .headerlink::before, + .rst-content table > caption .headerlink::before, + .rst-content .code-block-caption .headerlink::before, + .rst-content tt.download span:first-child::before, + .rst-content code.download span:first-child::before, + .icon::before, + .wy-dropdown .caret::before, + .wy-inline-validate.wy-inline-validate-success .wy-input-context::before, + .wy-inline-validate.wy-inline-validate-danger .wy-input-context::before, + .wy-inline-validate.wy-inline-validate-warning .wy-input-context::before, + .wy-inline-validate.wy-inline-validate-info .wy-input-context::before { + text-decoration-color: inherit; + } + + a .fa, + a .wy-menu-vertical li span.toctree-expand, + .wy-menu-vertical li a span.toctree-expand, + .wy-menu-vertical li.on a span.toctree-expand, + .wy-menu-vertical li.current > a span.toctree-expand, + a .rst-content .admonition-title, + .rst-content a .admonition-title, + a .rst-content h1 .headerlink, + .rst-content h1 a .headerlink, + a .rst-content h2 .headerlink, + .rst-content h2 a .headerlink, + a .rst-content h3 .headerlink, + .rst-content h3 a .headerlink, + a .rst-content h4 .headerlink, + .rst-content h4 a .headerlink, + a .rst-content h5 .headerlink, + .rst-content h5 a .headerlink, + a .rst-content h6 .headerlink, + .rst-content h6 a .headerlink, + a .rst-content dl dt .headerlink, + .rst-content dl dt a .headerlink, + a .rst-content p.caption .headerlink, + .rst-content p.caption a .headerlink, + a .rst-content table > caption .headerlink, + .rst-content table > caption a .headerlink, + a .rst-content .code-block-caption .headerlink, + .rst-content .code-block-caption a .headerlink, + a .rst-content tt.download span:first-child, + .rst-content tt.download a span:first-child, + a .rst-content code.download span:first-child, + .rst-content code.download a span:first-child, + a .icon { + text-decoration-color: inherit; + } + + .wy-alert, + .rst-content .note, + .rst-content .attention, + .rst-content .caution, + .rst-content .danger, + .rst-content .error, + .rst-content .hint, + .rst-content .important, + .rst-content .tip, + .rst-content .warning, + .rst-content .seealso, + .rst-content .admonition-todo, + .rst-content .admonition { + background-image: initial; + background-color: rgb(32, 35, 36); + } + + .wy-alert-title, + .rst-content .admonition-title { + color: rgb(232, 230, 227); + background-image: initial; + background-color: rgb(29, 91, 131); + } + + .wy-alert.wy-alert-danger, + .rst-content .wy-alert-danger.note, + .rst-content .wy-alert-danger.attention, + .rst-content .wy-alert-danger.caution, + .rst-content .danger, + .rst-content .error, + .rst-content .wy-alert-danger.hint, + .rst-content .wy-alert-danger.important, + .rst-content .wy-alert-danger.tip, + .rst-content .wy-alert-danger.warning, + .rst-content .wy-alert-danger.seealso, + .rst-content .wy-alert-danger.admonition-todo, + .rst-content .wy-alert-danger.admonition { + background-image: initial; + background-color: rgb(52, 12, 8); + } + + .wy-alert.wy-alert-danger .wy-alert-title, + .rst-content .wy-alert-danger.note .wy-alert-title, + .rst-content .wy-alert-danger.attention .wy-alert-title, + .rst-content .wy-alert-danger.caution .wy-alert-title, + .rst-content .danger .wy-alert-title, + .rst-content .error .wy-alert-title, + .rst-content .wy-alert-danger.hint .wy-alert-title, + .rst-content .wy-alert-danger.important .wy-alert-title, + .rst-content .wy-alert-danger.tip .wy-alert-title, + .rst-content .wy-alert-danger.warning .wy-alert-title, + .rst-content .wy-alert-danger.seealso .wy-alert-title, + .rst-content .wy-alert-danger.admonition-todo .wy-alert-title, + .rst-content .wy-alert-danger.admonition .wy-alert-title, + .wy-alert.wy-alert-danger .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-danger .admonition-title, + .rst-content .wy-alert-danger.note .admonition-title, + .rst-content .wy-alert-danger.attention .admonition-title, + .rst-content .wy-alert-danger.caution .admonition-title, + .rst-content .danger .admonition-title, + .rst-content .error .admonition-title, + .rst-content .wy-alert-danger.hint .admonition-title, + .rst-content .wy-alert-danger.important .admonition-title, + .rst-content .wy-alert-danger.tip .admonition-title, + .rst-content .wy-alert-danger.warning .admonition-title, + .rst-content .wy-alert-danger.seealso .admonition-title, + .rst-content .wy-alert-danger.admonition-todo .admonition-title, + .rst-content .wy-alert-danger.admonition .admonition-title { + background-image: initial; + background-color: rgb(108, 22, 13); + } + + .wy-alert.wy-alert-warning, + .rst-content .wy-alert-warning.note, + .rst-content .attention, + .rst-content .caution, + .rst-content .wy-alert-warning.danger, + .rst-content .wy-alert-warning.error, + .rst-content .wy-alert-warning.hint, + .rst-content .wy-alert-warning.important, + .rst-content .wy-alert-warning.tip, + .rst-content .warning, + .rst-content .wy-alert-warning.seealso, + .rst-content .admonition-todo, + .rst-content .wy-alert-warning.admonition { + background-image: initial; + background-color: rgb(82, 53, 0); + } + + .wy-alert.wy-alert-warning .wy-alert-title, + .rst-content .wy-alert-warning.note .wy-alert-title, + .rst-content .attention .wy-alert-title, + .rst-content .caution .wy-alert-title, + .rst-content .wy-alert-warning.danger .wy-alert-title, + .rst-content .wy-alert-warning.error .wy-alert-title, + .rst-content .wy-alert-warning.hint .wy-alert-title, + .rst-content .wy-alert-warning.important .wy-alert-title, + .rst-content .wy-alert-warning.tip .wy-alert-title, + .rst-content .warning .wy-alert-title, + .rst-content .wy-alert-warning.seealso .wy-alert-title, + .rst-content .admonition-todo .wy-alert-title, + .rst-content .wy-alert-warning.admonition .wy-alert-title, + .wy-alert.wy-alert-warning .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-warning .admonition-title, + .rst-content .wy-alert-warning.note .admonition-title, + .rst-content .attention .admonition-title, + .rst-content .caution .admonition-title, + .rst-content .wy-alert-warning.danger .admonition-title, + .rst-content .wy-alert-warning.error .admonition-title, + .rst-content .wy-alert-warning.hint .admonition-title, + .rst-content .wy-alert-warning.important .admonition-title, + .rst-content .wy-alert-warning.tip .admonition-title, + .rst-content .warning .admonition-title, + .rst-content .wy-alert-warning.seealso .admonition-title, + .rst-content .admonition-todo .admonition-title, + .rst-content .wy-alert-warning.admonition .admonition-title { + background-image: initial; + background-color: rgb(123, 65, 14); + } + + .wy-alert.wy-alert-info, + .rst-content .note, + .rst-content .wy-alert-info.attention, + .rst-content .wy-alert-info.caution, + .rst-content .wy-alert-info.danger, + .rst-content .wy-alert-info.error, + .rst-content .wy-alert-info.hint, + .rst-content .wy-alert-info.important, + .rst-content .wy-alert-info.tip, + .rst-content .wy-alert-info.warning, + .rst-content .seealso, + .rst-content .wy-alert-info.admonition-todo, + .rst-content .wy-alert-info.admonition { + background-image: initial; + background-color: rgb(32, 35, 36); + } + + .wy-alert.wy-alert-info .wy-alert-title, + .rst-content .note .wy-alert-title, + .rst-content .wy-alert-info.attention .wy-alert-title, + .rst-content .wy-alert-info.caution .wy-alert-title, + .rst-content .wy-alert-info.danger .wy-alert-title, + .rst-content .wy-alert-info.error .wy-alert-title, + .rst-content .wy-alert-info.hint .wy-alert-title, + .rst-content .wy-alert-info.important .wy-alert-title, + .rst-content .wy-alert-info.tip .wy-alert-title, + .rst-content .wy-alert-info.warning .wy-alert-title, + .rst-content .seealso .wy-alert-title, + .rst-content .wy-alert-info.admonition-todo .wy-alert-title, + .rst-content .wy-alert-info.admonition .wy-alert-title, + .wy-alert.wy-alert-info .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-info .admonition-title, + .rst-content .note .admonition-title, + .rst-content .wy-alert-info.attention .admonition-title, + .rst-content .wy-alert-info.caution .admonition-title, + .rst-content .wy-alert-info.danger .admonition-title, + .rst-content .wy-alert-info.error .admonition-title, + .rst-content .wy-alert-info.hint .admonition-title, + .rst-content .wy-alert-info.important .admonition-title, + .rst-content .wy-alert-info.tip .admonition-title, + .rst-content .wy-alert-info.warning .admonition-title, + .rst-content .seealso .admonition-title, + .rst-content .wy-alert-info.admonition-todo .admonition-title, + .rst-content .wy-alert-info.admonition .admonition-title { + background-image: initial; + background-color: rgb(29, 91, 131); + } + + .wy-alert.wy-alert-success, + .rst-content .wy-alert-success.note, + .rst-content .wy-alert-success.attention, + .rst-content .wy-alert-success.caution, + .rst-content .wy-alert-success.danger, + .rst-content .wy-alert-success.error, + .rst-content .hint, + .rst-content .important, + .rst-content .tip, + .rst-content .wy-alert-success.warning, + .rst-content .wy-alert-success.seealso, + .rst-content .wy-alert-success.admonition-todo, + .rst-content .wy-alert-success.admonition { + background-image: initial; + background-color: rgb(9, 66, 58); + } + + .wy-alert.wy-alert-success .wy-alert-title, + .rst-content .wy-alert-success.note .wy-alert-title, + .rst-content .wy-alert-success.attention .wy-alert-title, + .rst-content .wy-alert-success.caution .wy-alert-title, + .rst-content .wy-alert-success.danger .wy-alert-title, + .rst-content .wy-alert-success.error .wy-alert-title, + .rst-content .hint .wy-alert-title, + .rst-content .important .wy-alert-title, + .rst-content .tip .wy-alert-title, + .rst-content .wy-alert-success.warning .wy-alert-title, + .rst-content .wy-alert-success.seealso .wy-alert-title, + .rst-content .wy-alert-success.admonition-todo .wy-alert-title, + .rst-content .wy-alert-success.admonition .wy-alert-title, + .wy-alert.wy-alert-success .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-success .admonition-title, + .rst-content .wy-alert-success.note .admonition-title, + .rst-content .wy-alert-success.attention .admonition-title, + .rst-content .wy-alert-success.caution .admonition-title, + .rst-content .wy-alert-success.danger .admonition-title, + .rst-content .wy-alert-success.error .admonition-title, + .rst-content .hint .admonition-title, + .rst-content .important .admonition-title, + .rst-content .tip .admonition-title, + .rst-content .wy-alert-success.warning .admonition-title, + .rst-content .wy-alert-success.seealso .admonition-title, + .rst-content .wy-alert-success.admonition-todo .admonition-title, + .rst-content .wy-alert-success.admonition .admonition-title { + background-image: initial; + background-color: rgb(21, 150, 125); + } + + .wy-alert.wy-alert-neutral, + .rst-content .wy-alert-neutral.note, + .rst-content .wy-alert-neutral.attention, + .rst-content .wy-alert-neutral.caution, + .rst-content .wy-alert-neutral.danger, + .rst-content .wy-alert-neutral.error, + .rst-content .wy-alert-neutral.hint, + .rst-content .wy-alert-neutral.important, + .rst-content .wy-alert-neutral.tip, + .rst-content .wy-alert-neutral.warning, + .rst-content .wy-alert-neutral.seealso, + .rst-content .wy-alert-neutral.admonition-todo, + .rst-content .wy-alert-neutral.admonition { + background-image: initial; + background-color: rgb(27, 36, 36); + } + + .wy-alert.wy-alert-neutral .wy-alert-title, + .rst-content .wy-alert-neutral.note .wy-alert-title, + .rst-content .wy-alert-neutral.attention .wy-alert-title, + .rst-content .wy-alert-neutral.caution .wy-alert-title, + .rst-content .wy-alert-neutral.danger .wy-alert-title, + .rst-content .wy-alert-neutral.error .wy-alert-title, + .rst-content .wy-alert-neutral.hint .wy-alert-title, + .rst-content .wy-alert-neutral.important .wy-alert-title, + .rst-content .wy-alert-neutral.tip .wy-alert-title, + .rst-content .wy-alert-neutral.warning .wy-alert-title, + .rst-content .wy-alert-neutral.seealso .wy-alert-title, + .rst-content .wy-alert-neutral.admonition-todo .wy-alert-title, + .rst-content .wy-alert-neutral.admonition .wy-alert-title, + .wy-alert.wy-alert-neutral .rst-content .admonition-title, + .rst-content .wy-alert.wy-alert-neutral .admonition-title, + .rst-content .wy-alert-neutral.note .admonition-title, + .rst-content .wy-alert-neutral.attention .admonition-title, + .rst-content .wy-alert-neutral.caution .admonition-title, + .rst-content .wy-alert-neutral.danger .admonition-title, + .rst-content .wy-alert-neutral.error .admonition-title, + .rst-content .wy-alert-neutral.hint .admonition-title, + .rst-content .wy-alert-neutral.important .admonition-title, + .rst-content .wy-alert-neutral.tip .admonition-title, + .rst-content .wy-alert-neutral.warning .admonition-title, + .rst-content .wy-alert-neutral.seealso .admonition-title, + .rst-content .wy-alert-neutral.admonition-todo .admonition-title, + .rst-content .wy-alert-neutral.admonition .admonition-title { + color: rgb(192, 186, 178); + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-alert.wy-alert-neutral a, + .rst-content .wy-alert-neutral.note a, + .rst-content .wy-alert-neutral.attention a, + .rst-content .wy-alert-neutral.caution a, + .rst-content .wy-alert-neutral.danger a, + .rst-content .wy-alert-neutral.error a, + .rst-content .wy-alert-neutral.hint a, + .rst-content .wy-alert-neutral.important a, + .rst-content .wy-alert-neutral.tip a, + .rst-content .wy-alert-neutral.warning a, + .rst-content .wy-alert-neutral.seealso a, + .rst-content .wy-alert-neutral.admonition-todo a, + .rst-content .wy-alert-neutral.admonition a { + color: rgb(84, 164, 217); + } + + .wy-tray-container li { + background-image: initial; + background-color: transparent; + color: rgb(232, 230, 227); + box-shadow: rgba(0, 0, 0, 0.1) 0px 5px 5px 0px; + } + + .wy-tray-container li.wy-tray-item-success { + background-image: initial; + background-color: rgb(31, 139, 77); + } + + .wy-tray-container li.wy-tray-item-info { + background-image: initial; + background-color: rgb(33, 102, 148); + } + + .wy-tray-container li.wy-tray-item-warning { + background-image: initial; + background-color: rgb(178, 94, 20); + } + + .wy-tray-container li.wy-tray-item-danger { + background-image: initial; + background-color: rgb(162, 33, 20); + } + + .btn { + color: rgb(232, 230, 227); + border-color: rgba(140, 130, 115, 0.1); + background-color: rgb(31, 139, 77); + text-decoration-color: initial; + box-shadow: rgba(24, 26, 27, 0.5) 0px 1px 2px -1px inset, + rgba(0, 0, 0, 0.1) 0px -2px 0px 0px inset; + } + + .btn-hover { + background-image: initial; + background-color: rgb(37, 114, 165); + color: rgb(232, 230, 227); + } + + .btn:hover { + background-image: initial; + background-color: rgb(35, 156, 86); + color: rgb(232, 230, 227); + } + + .btn:focus { + background-image: initial; + background-color: rgb(35, 156, 86); + outline-color: initial; + } + + .btn:active { + box-shadow: rgba(0, 0, 0, 0.05) 0px -1px 0px 0px inset, + rgba(0, 0, 0, 0.1) 0px 2px 0px 0px inset; + } + + .btn:visited { + color: rgb(232, 230, 227); + } + + .btn:disabled { + background-image: none; + box-shadow: none; + } + + .btn-disabled { + background-image: none; + box-shadow: none; + } + + .btn-disabled:hover, + .btn-disabled:focus, + .btn-disabled:active { + background-image: none; + box-shadow: none; + } + + .btn-info { + background-color: rgb(33, 102, 148) !important; + } + + .btn-info:hover { + background-color: rgb(37, 114, 165) !important; + } + + .btn-neutral { + background-color: rgb(27, 36, 36) !important; + color: rgb(192, 186, 178) !important; + } + + .btn-neutral:hover { + color: rgb(192, 186, 178); + background-color: rgb(34, 44, 44) !important; + } + + .btn-neutral:visited { + color: rgb(192, 186, 178) !important; + } + + .btn-success { + background-color: rgb(31, 139, 77) !important; + } + + .btn-success:hover { + background-color: rgb(27, 122, 68) !important; + } + + .btn-danger { + background-color: rgb(162, 33, 20) !important; + } + + .btn-danger:hover { + background-color: rgb(149, 30, 18) !important; + } + + .btn-warning { + background-color: rgb(178, 94, 20) !important; + } + + .btn-warning:hover { + background-color: rgb(165, 87, 18) !important; + } + + .btn-invert { + background-color: rgb(26, 28, 29); + } + + .btn-invert:hover { + background-color: rgb(35, 38, 40) !important; + } + + .btn-link { + color: rgb(84, 164, 217); + box-shadow: none; + background-color: transparent !important; + border-color: transparent !important; + } + + .btn-link:hover { + box-shadow: none; + background-color: transparent !important; + color: rgb(79, 162, 216) !important; + } + + .btn-link:active { + box-shadow: none; + background-color: transparent !important; + color: rgb(79, 162, 216) !important; + } + + .btn-link:visited { + color: rgb(164, 103, 188); + } + + .wy-dropdown-menu { + background-image: initial; + background-color: rgb(26, 28, 29); + border-color: rgb(60, 65, 67); + box-shadow: rgba(0, 0, 0, 0.1) 0px 2px 2px 0px; + } + + .wy-dropdown-menu > dd > a { + color: rgb(192, 186, 178); + } + + .wy-dropdown-menu > dd > a:hover { + background-image: initial; + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-dropdown-menu > dd.divider { + border-top-color: rgb(60, 65, 67); + } + + .wy-dropdown-menu > dd.call-to-action { + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-dropdown-menu > dd.call-to-action:hover { + background-image: initial; + background-color: rgb(40, 43, 45); + } + + .wy-dropdown-menu > dd.call-to-action .btn { + color: rgb(232, 230, 227); + } + + .wy-dropdown.wy-dropdown-bubble .wy-dropdown-menu { + background-image: initial; + background-color: rgb(26, 28, 29); + } + + .wy-dropdown.wy-dropdown-bubble .wy-dropdown-menu a:hover { + background-image: initial; + background-color: rgb(33, 102, 148); + color: rgb(232, 230, 227); + } + + .wy-dropdown-arrow::before { + border-bottom-color: rgb(51, 55, 57); + border-left-color: transparent; + border-right-color: transparent; + } + + fieldset { + border-color: initial; + } + + legend { + border-color: initial; + } + + label { + color: rgb(200, 195, 188); + } + + .wy-control-group.wy-control-group-required > label::after { + color: rgb(233, 88, 73); + } + + .wy-form-message-inline { + color: rgb(168, 160, 149); + } + + .wy-form-message { + color: rgb(168, 160, 149); + } + + input[type="text"], input[type="password"], input[type="email"], input[type="url"], input[type="date"], input[type="month"], input[type="time"], input[type="datetime"], input[type="datetime-local"], input[type="week"], input[type="number"], input[type="search"], input[type="tel"], input[type="color"] { + border-color: rgb(62, 68, 70); + box-shadow: rgb(43, 47, 49) 0px 1px 3px inset; + } + + input[type="text"]:focus, input[type="password"]:focus, input[type="email"]:focus, input[type="url"]:focus, input[type="date"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="week"]:focus, input[type="number"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="color"]:focus { + outline-color: initial; + border-color: rgb(123, 114, 101); + } + + input.no-focus:focus { + border-color: rgb(62, 68, 70) !important; + } + + input[type="file"]:focus, input[type="radio"]:focus, input[type="checkbox"]:focus { + outline-color: rgb(13, 113, 167); + } + + input[type="text"][disabled], input[type="password"][disabled], input[type="email"][disabled], input[type="url"][disabled], input[type="date"][disabled], input[type="month"][disabled], input[type="time"][disabled], input[type="datetime"][disabled], input[type="datetime-local"][disabled], input[type="week"][disabled], input[type="number"][disabled], input[type="search"][disabled], input[type="tel"][disabled], input[type="color"][disabled] { + background-color: rgb(27, 29, 30); + } + + input:focus:invalid, + textarea:focus:invalid, + select:focus:invalid { + color: rgb(233, 88, 73); + border-color: rgb(149, 31, 18); + } + + input:focus:invalid:focus, + textarea:focus:invalid:focus, + select:focus:invalid:focus { + border-color: rgb(149, 31, 18); + } + + input[type="file"]:focus:invalid:focus, input[type="radio"]:focus:invalid:focus, input[type="checkbox"]:focus:invalid:focus { + outline-color: rgb(149, 31, 18); + } + + select, + textarea { + border-color: rgb(62, 68, 70); + box-shadow: rgb(43, 47, 49) 0px 1px 3px inset; + } + + select { + border-color: rgb(62, 68, 70); + background-color: rgb(24, 26, 27); + } + + select:focus, + textarea:focus { + outline-color: initial; + } + + select[disabled], + textarea[disabled], + input[readonly], + select[readonly], + textarea[readonly] { + background-color: rgb(27, 29, 30); + } + + .wy-checkbox, + .wy-radio { + color: rgb(192, 186, 178); + } + + .wy-input-prefix .wy-input-context, + .wy-input-suffix .wy-input-context { + background-color: rgb(27, 36, 36); + border-color: rgb(62, 68, 70); + color: rgb(168, 160, 149); + } + + .wy-input-suffix .wy-input-context { + border-left-color: initial; + } + + .wy-input-prefix .wy-input-context { + border-right-color: initial; + } + + .wy-switch::before { + background-image: initial; + background-color: rgb(53, 57, 59); + } + + .wy-switch::after { + background-image: initial; + background-color: rgb(82, 88, 92); + } + + .wy-switch span { + color: rgb(200, 195, 188); + } + + .wy-switch.active::before { + background-image: initial; + background-color: rgb(24, 106, 58); + } + + .wy-switch.active::after { + background-image: initial; + background-color: rgb(31, 139, 77); + } + + .wy-control-group.wy-control-group-error .wy-form-message, + .wy-control-group.wy-control-group-error > label { + color: rgb(233, 88, 73); + } + + .wy-control-group.wy-control-group-error input[type="text"], .wy-control-group.wy-control-group-error input[type="password"], .wy-control-group.wy-control-group-error input[type="email"], .wy-control-group.wy-control-group-error input[type="url"], .wy-control-group.wy-control-group-error input[type="date"], .wy-control-group.wy-control-group-error input[type="month"], .wy-control-group.wy-control-group-error input[type="time"], .wy-control-group.wy-control-group-error input[type="datetime"], .wy-control-group.wy-control-group-error input[type="datetime-local"], .wy-control-group.wy-control-group-error input[type="week"], .wy-control-group.wy-control-group-error input[type="number"], .wy-control-group.wy-control-group-error input[type="search"], .wy-control-group.wy-control-group-error input[type="tel"], .wy-control-group.wy-control-group-error input[type="color"] { + border-color: rgb(149, 31, 18); + } + + .wy-control-group.wy-control-group-error textarea { + border-color: rgb(149, 31, 18); + } + + .wy-inline-validate.wy-inline-validate-success .wy-input-context { + color: rgb(92, 218, 145); + } + + .wy-inline-validate.wy-inline-validate-danger .wy-input-context { + color: rgb(233, 88, 73); + } + + .wy-inline-validate.wy-inline-validate-warning .wy-input-context { + color: rgb(232, 138, 54); + } + + .wy-inline-validate.wy-inline-validate-info .wy-input-context { + color: rgb(84, 164, 217); + } + + .wy-table caption, + .rst-content table.docutils caption, + .rst-content table.field-list caption { + color: rgb(232, 230, 227); + } + + .wy-table thead, + .rst-content table.docutils thead, + .rst-content table.field-list thead { + color: rgb(232, 230, 227); + } + + .wy-table thead th, + .rst-content table.docutils thead th, + .rst-content table.field-list thead th { + border-bottom-color: rgb(56, 61, 63); + } + + .wy-table td, + .rst-content table.docutils td, + .rst-content table.field-list td { + background-color: transparent; + } + + .wy-table-secondary { + color: rgb(152, 143, 129); + } + + .wy-table-tertiary { + color: rgb(152, 143, 129); + } + + .wy-table-odd td, + .wy-table-striped tr:nth-child(2n-1) td, + .rst-content table.docutils:not(.field-list) tr:nth-child(2n-1) td { + background-color: rgb(27, 36, 36); + } + + .wy-table-backed { + background-color: rgb(27, 36, 36); + } + + .wy-table-bordered-all, + .rst-content table.docutils { + border-color: rgb(56, 61, 63); + } + + .wy-table-bordered-all td, + .rst-content table.docutils td { + border-bottom-color: rgb(56, 61, 63); + border-left-color: rgb(56, 61, 63); + } + + .wy-table-bordered { + border-color: rgb(56, 61, 63); + } + + .wy-table-bordered-rows td { + border-bottom-color: rgb(56, 61, 63); + } + + .wy-table-horizontal td, + .wy-table-horizontal th { + border-bottom-color: rgb(56, 61, 63); + } + + a { + color: rgb(84, 164, 217); + text-decoration-color: initial; + } + + a:hover { + color: rgb(68, 156, 214); + } + + a:visited { + color: rgb(164, 103, 188); + } + + body { + color: rgb(192, 186, 178); + background-image: initial; + background-color: rgb(33, 35, 37); + } + + .wy-text-strike { + text-decoration-color: initial; + } + + .wy-text-warning { + color: rgb(232, 138, 54) !important; + } + + a.wy-text-warning:hover { + color: rgb(236, 157, 87) !important; + } + + .wy-text-info { + color: rgb(84, 164, 217) !important; + } + + a.wy-text-info:hover { + color: rgb(79, 162, 216) !important; + } + + .wy-text-success { + color: rgb(92, 218, 145) !important; + } + + a.wy-text-success:hover { + color: rgb(73, 214, 133) !important; + } + + .wy-text-danger { + color: rgb(233, 88, 73) !important; + } + + a.wy-text-danger:hover { + color: rgb(237, 118, 104) !important; + } + + .wy-text-neutral { + color: rgb(192, 186, 178) !important; + } + + a.wy-text-neutral:hover { + color: rgb(176, 169, 159) !important; + } + + hr { + border-right-color: initial; + border-bottom-color: initial; + border-left-color: initial; + border-top-color: rgb(56, 61, 63); + } + + code, + .rst-content tt, + .rst-content code { + background-image: initial; + background-color: rgb(24, 26, 27); + border-color: rgb(56, 61, 63); + color: rgb(233, 88, 73); + } + + .wy-plain-list-disc, + .rst-content .section ul, + .rst-content .toctree-wrapper ul, + article ul { + list-style-image: initial; + } + + .wy-plain-list-disc li, + .rst-content .section ul li, + .rst-content .toctree-wrapper ul li, + article ul li { + list-style-image: initial; + } + + .wy-plain-list-disc li li, + .rst-content .section ul li li, + .rst-content .toctree-wrapper ul li li, + article ul li li { + list-style-image: initial; + } + + .wy-plain-list-disc li li li, + .rst-content .section ul li li li, + .rst-content .toctree-wrapper ul li li li, + article ul li li li { + list-style-image: initial; + } + + .wy-plain-list-disc li ol li, + .rst-content .section ul li ol li, + .rst-content .toctree-wrapper ul li ol li, + article ul li ol li { + list-style-image: initial; + } + + .wy-plain-list-decimal, + .rst-content .section ol, + .rst-content ol.arabic, + article ol { + list-style-image: initial; 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