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Deprecate imread() reading from URLs #19367

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Merged
merged 2 commits into from
Jan 28, 2021

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anntzer
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@anntzer anntzer commented Jan 26, 2021

PR Summary

Replaces #18649, with the suggestion to directly using the Pillow API (#18649 (review)). Closes #18648.

PR Checklist

  • Has pytest style unit tests (and pytest passes).
  • Is Flake 8 compliant (run flake8 on changed files to check).
  • New features are documented, with examples if plot related.
  • Documentation is sphinx and numpydoc compliant (the docs should build without error).
  • Conforms to Matplotlib style conventions (install flake8-docstrings and run flake8 --docstring-convention=all).
  • New features have an entry in doc/users/next_whats_new/ (follow instructions in README.rst there).
  • API changes documented in doc/api/next_api_changes/ (follow instructions in README.rst there).

@anntzer anntzer added this to the v3.4.0 milestone Jan 26, 2021
@anntzer anntzer force-pushed the deprecate-imread-url branch from e60a11c to 9302392 Compare January 26, 2021 16:52
@jklymak jklymak modified the milestones: v3.4.0, v3.4.1 Jan 27, 2021
@@ -1128,7 +1129,8 @@ def test_exact_vmin():
@pytest.mark.network
@pytest.mark.flaky
def test_https_imread_smoketest():
v = mimage.imread('https://matplotlib.org/1.5.0/_static/logo2.png')
with _api.suppress_matplotlib_deprecation_warning():
v = mimage.imread('https://matplotlib.org/1.5.0/_static/logo2.png')
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Shouldn't you properly fix this?

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The point is that after the removal, reading this just won't involve matplotlib at all (it'll be PIL.Image.open(urllib.request.urlopen(...)), so the whole test will go away.

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oops sorry - I missed what the test was for....

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jklymak commented Jan 27, 2021

I pushed a point release, but feel free to push back if this is really urgent.

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anntzer commented Jan 27, 2021

I don't think we should introduce new deprecation in bugfix releases, so this should either be 3.4.0, or, if it can't make it, 3.5.0.

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Seems fine. Feel free to re0milestone if there is a second review

@anntzer anntzer modified the milestones: v3.4.1, v3.4.0 Jan 27, 2021
@timhoffm timhoffm merged commit dbe3622 into matplotlib:master Jan 28, 2021
@anntzer anntzer deleted the deprecate-imread-url branch January 28, 2021 21:03
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Drop support for directly imread()ing urls.
3 participants