diff --git a/Lib/compileall.py b/Lib/compileall.py
index a388931fb5..d394156ced 100644
--- a/Lib/compileall.py
+++ b/Lib/compileall.py
@@ -97,9 +97,15 @@ def compile_dir(dir, maxlevels=None, ddir=None, force=False,
files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels)
success = True
if workers != 1 and ProcessPoolExecutor is not None:
+ import multiprocessing
+ if multiprocessing.get_start_method() == 'fork':
+ mp_context = multiprocessing.get_context('forkserver')
+ else:
+ mp_context = None
# If workers == 0, let ProcessPoolExecutor choose
workers = workers or None
- with ProcessPoolExecutor(max_workers=workers) as executor:
+ with ProcessPoolExecutor(max_workers=workers,
+ mp_context=mp_context) as executor:
results = executor.map(partial(compile_file,
ddir=ddir, force=force,
rx=rx, quiet=quiet,
diff --git a/Lib/test/test_compileall.py b/Lib/test/test_compileall.py
new file mode 100644
index 0000000000..9648dd3f6d
--- /dev/null
+++ b/Lib/test/test_compileall.py
@@ -0,0 +1,1147 @@
+import compileall
+import contextlib
+import filecmp
+import importlib.util
+import io
+import os
+import pathlib
+import py_compile
+import shutil
+import struct
+import sys
+import tempfile
+import test.test_importlib.util
+import time
+import unittest
+
+from unittest import mock, skipUnless
+try:
+ # compileall relies on ProcessPoolExecutor if ProcessPoolExecutor exists
+ # and it can function.
+ from multiprocessing.util import _cleanup_tests as multiprocessing_cleanup_tests
+ from concurrent.futures import ProcessPoolExecutor
+ from concurrent.futures.process import _check_system_limits
+ _check_system_limits()
+ _have_multiprocessing = True
+except (NotImplementedError, ModuleNotFoundError):
+ _have_multiprocessing = False
+
+from test import support
+from test.support import os_helper
+from test.support import script_helper
+from test.test_py_compile import without_source_date_epoch
+from test.test_py_compile import SourceDateEpochTestMeta
+
+
+def get_pyc(script, opt):
+ if not opt:
+ # Replace None and 0 with ''
+ opt = ''
+ return importlib.util.cache_from_source(script, optimization=opt)
+
+
+def get_pycs(script):
+ return [get_pyc(script, opt) for opt in (0, 1, 2)]
+
+
+def is_hardlink(filename1, filename2):
+ """Returns True if two files have the same inode (hardlink)"""
+ inode1 = os.stat(filename1).st_ino
+ inode2 = os.stat(filename2).st_ino
+ return inode1 == inode2
+
+
+class CompileallTestsBase:
+
+ def setUp(self):
+ self.directory = tempfile.mkdtemp()
+ self.addCleanup(shutil.rmtree, self.directory)
+
+ self.source_path = os.path.join(self.directory, '_test.py')
+ self.bc_path = importlib.util.cache_from_source(self.source_path)
+ with open(self.source_path, 'w', encoding="utf-8") as file:
+ file.write('x = 123\n')
+ self.source_path2 = os.path.join(self.directory, '_test2.py')
+ self.bc_path2 = importlib.util.cache_from_source(self.source_path2)
+ shutil.copyfile(self.source_path, self.source_path2)
+ self.subdirectory = os.path.join(self.directory, '_subdir')
+ os.mkdir(self.subdirectory)
+ self.source_path3 = os.path.join(self.subdirectory, '_test3.py')
+ shutil.copyfile(self.source_path, self.source_path3)
+
+ def add_bad_source_file(self):
+ self.bad_source_path = os.path.join(self.directory, '_test_bad.py')
+ with open(self.bad_source_path, 'w', encoding="utf-8") as file:
+ file.write('x (\n')
+
+ def timestamp_metadata(self):
+ with open(self.bc_path, 'rb') as file:
+ data = file.read(12)
+ mtime = int(os.stat(self.source_path).st_mtime)
+ compare = struct.pack('<4sLL', importlib.util.MAGIC_NUMBER, 0,
+ mtime & 0xFFFF_FFFF)
+ return data, compare
+
+ def test_year_2038_mtime_compilation(self):
+ # Test to make sure we can handle mtimes larger than what a 32-bit
+ # signed number can hold as part of bpo-34990
+ try:
+ os.utime(self.source_path, (2**32 - 1, 2**32 - 1))
+ except (OverflowError, OSError):
+ self.skipTest("filesystem doesn't support timestamps near 2**32")
+ with contextlib.redirect_stdout(io.StringIO()):
+ self.assertTrue(compileall.compile_file(self.source_path))
+
+ def test_larger_than_32_bit_times(self):
+ # This is similar to the test above but we skip it if the OS doesn't
+ # support modification times larger than 32-bits.
+ try:
+ os.utime(self.source_path, (2**35, 2**35))
+ except (OverflowError, OSError):
+ self.skipTest("filesystem doesn't support large timestamps")
+ with contextlib.redirect_stdout(io.StringIO()):
+ self.assertTrue(compileall.compile_file(self.source_path))
+
+ def recreation_check(self, metadata):
+ """Check that compileall recreates bytecode when the new metadata is
+ used."""
+ if os.environ.get('SOURCE_DATE_EPOCH'):
+ raise unittest.SkipTest('SOURCE_DATE_EPOCH is set')
+ py_compile.compile(self.source_path)
+ self.assertEqual(*self.timestamp_metadata())
+ with open(self.bc_path, 'rb') as file:
+ bc = file.read()[len(metadata):]
+ with open(self.bc_path, 'wb') as file:
+ file.write(metadata)
+ file.write(bc)
+ self.assertNotEqual(*self.timestamp_metadata())
+ compileall.compile_dir(self.directory, force=False, quiet=True)
+ self.assertTrue(*self.timestamp_metadata())
+
+ def test_mtime(self):
+ # Test a change in mtime leads to a new .pyc.
+ self.recreation_check(struct.pack('<4sLL', importlib.util.MAGIC_NUMBER,
+ 0, 1))
+
+ def test_magic_number(self):
+ # Test a change in mtime leads to a new .pyc.
+ self.recreation_check(b'\0\0\0\0')
+
+ def test_compile_files(self):
+ # Test compiling a single file, and complete directory
+ for fn in (self.bc_path, self.bc_path2):
+ try:
+ os.unlink(fn)
+ except:
+ pass
+ self.assertTrue(compileall.compile_file(self.source_path,
+ force=False, quiet=True))
+ self.assertTrue(os.path.isfile(self.bc_path) and
+ not os.path.isfile(self.bc_path2))
+ os.unlink(self.bc_path)
+ self.assertTrue(compileall.compile_dir(self.directory, force=False,
+ quiet=True))
+ self.assertTrue(os.path.isfile(self.bc_path) and
+ os.path.isfile(self.bc_path2))
+ os.unlink(self.bc_path)
+ os.unlink(self.bc_path2)
+ # Test against bad files
+ self.add_bad_source_file()
+ self.assertFalse(compileall.compile_file(self.bad_source_path,
+ force=False, quiet=2))
+ self.assertFalse(compileall.compile_dir(self.directory,
+ force=False, quiet=2))
+
+ def test_compile_file_pathlike(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ # we should also test the output
+ with support.captured_stdout() as stdout:
+ self.assertTrue(compileall.compile_file(pathlib.Path(self.source_path)))
+ self.assertRegex(stdout.getvalue(), r'Compiling ([^WindowsPath|PosixPath].*)')
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ def test_compile_file_pathlike_ddir(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ self.assertTrue(compileall.compile_file(pathlib.Path(self.source_path),
+ ddir=pathlib.Path('ddir_path'),
+ quiet=2))
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ def test_compile_file_pathlike_stripdir(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ self.assertTrue(compileall.compile_file(pathlib.Path(self.source_path),
+ stripdir=pathlib.Path('stripdir_path'),
+ quiet=2))
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ def test_compile_file_pathlike_prependdir(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ self.assertTrue(compileall.compile_file(pathlib.Path(self.source_path),
+ prependdir=pathlib.Path('prependdir_path'),
+ quiet=2))
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ def test_compile_path(self):
+ with test.test_importlib.util.import_state(path=[self.directory]):
+ self.assertTrue(compileall.compile_path(quiet=2))
+
+ with test.test_importlib.util.import_state(path=[self.directory]):
+ self.add_bad_source_file()
+ self.assertFalse(compileall.compile_path(skip_curdir=False,
+ force=True, quiet=2))
+
+ def test_no_pycache_in_non_package(self):
+ # Bug 8563 reported that __pycache__ directories got created by
+ # compile_file() for non-.py files.
+ data_dir = os.path.join(self.directory, 'data')
+ data_file = os.path.join(data_dir, 'file')
+ os.mkdir(data_dir)
+ # touch data/file
+ with open(data_file, 'wb'):
+ pass
+ compileall.compile_file(data_file)
+ self.assertFalse(os.path.exists(os.path.join(data_dir, '__pycache__')))
+
+
+ def test_compile_file_encoding_fallback(self):
+ # Bug 44666 reported that compile_file failed when sys.stdout.encoding is None
+ self.add_bad_source_file()
+ with contextlib.redirect_stdout(io.StringIO()):
+ self.assertFalse(compileall.compile_file(self.bad_source_path))
+
+
+ def test_optimize(self):
+ # make sure compiling with different optimization settings than the
+ # interpreter's creates the correct file names
+ optimize, opt = (1, 1) if __debug__ else (0, '')
+ compileall.compile_dir(self.directory, quiet=True, optimize=optimize)
+ cached = importlib.util.cache_from_source(self.source_path,
+ optimization=opt)
+ self.assertTrue(os.path.isfile(cached))
+ cached2 = importlib.util.cache_from_source(self.source_path2,
+ optimization=opt)
+ self.assertTrue(os.path.isfile(cached2))
+ cached3 = importlib.util.cache_from_source(self.source_path3,
+ optimization=opt)
+ self.assertTrue(os.path.isfile(cached3))
+
+ def test_compile_dir_pathlike(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ with support.captured_stdout() as stdout:
+ compileall.compile_dir(pathlib.Path(self.directory))
+ line = stdout.getvalue().splitlines()[0]
+ self.assertRegex(line, r'Listing ([^WindowsPath|PosixPath].*)')
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ def test_compile_dir_pathlike_stripdir(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ self.assertTrue(compileall.compile_dir(pathlib.Path(self.directory),
+ stripdir=pathlib.Path('stripdir_path'),
+ quiet=2))
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ def test_compile_dir_pathlike_prependdir(self):
+ self.assertFalse(os.path.isfile(self.bc_path))
+ self.assertTrue(compileall.compile_dir(pathlib.Path(self.directory),
+ prependdir=pathlib.Path('prependdir_path'),
+ quiet=2))
+ self.assertTrue(os.path.isfile(self.bc_path))
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ @mock.patch('concurrent.futures.ProcessPoolExecutor')
+ def test_compile_pool_called(self, pool_mock):
+ compileall.compile_dir(self.directory, quiet=True, workers=5)
+ self.assertTrue(pool_mock.called)
+
+ def test_compile_workers_non_positive(self):
+ with self.assertRaisesRegex(ValueError,
+ "workers must be greater or equal to 0"):
+ compileall.compile_dir(self.directory, workers=-1)
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ @mock.patch('concurrent.futures.ProcessPoolExecutor')
+ def test_compile_workers_cpu_count(self, pool_mock):
+ compileall.compile_dir(self.directory, quiet=True, workers=0)
+ self.assertEqual(pool_mock.call_args[1]['max_workers'], None)
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ @mock.patch('concurrent.futures.ProcessPoolExecutor')
+ @mock.patch('compileall.compile_file')
+ def test_compile_one_worker(self, compile_file_mock, pool_mock):
+ compileall.compile_dir(self.directory, quiet=True)
+ self.assertFalse(pool_mock.called)
+ self.assertTrue(compile_file_mock.called)
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ @mock.patch('concurrent.futures.ProcessPoolExecutor', new=None)
+ @mock.patch('compileall.compile_file')
+ def test_compile_missing_multiprocessing(self, compile_file_mock):
+ compileall.compile_dir(self.directory, quiet=True, workers=5)
+ self.assertTrue(compile_file_mock.called)
+
+ def test_compile_dir_maxlevels(self):
+ # Test the actual impact of maxlevels parameter
+ depth = 3
+ path = self.directory
+ for i in range(1, depth + 1):
+ path = os.path.join(path, f"dir_{i}")
+ source = os.path.join(path, 'script.py')
+ os.mkdir(path)
+ shutil.copyfile(self.source_path, source)
+ pyc_filename = importlib.util.cache_from_source(source)
+
+ compileall.compile_dir(self.directory, quiet=True, maxlevels=depth - 1)
+ self.assertFalse(os.path.isfile(pyc_filename))
+
+ compileall.compile_dir(self.directory, quiet=True, maxlevels=depth)
+ self.assertTrue(os.path.isfile(pyc_filename))
+
+ def _test_ddir_only(self, *, ddir, parallel=True):
+ """Recursive compile_dir ddir must contain package paths; bpo39769."""
+ fullpath = ["test", "foo"]
+ path = self.directory
+ mods = []
+ for subdir in fullpath:
+ path = os.path.join(path, subdir)
+ os.mkdir(path)
+ script_helper.make_script(path, "__init__", "")
+ mods.append(script_helper.make_script(path, "mod",
+ "def fn(): 1/0\nfn()\n"))
+
+ if parallel:
+ self.addCleanup(multiprocessing_cleanup_tests)
+ compileall.compile_dir(
+ self.directory, quiet=True, ddir=ddir,
+ workers=2 if parallel else 1)
+
+ self.assertTrue(mods)
+ for mod in mods:
+ self.assertTrue(mod.startswith(self.directory), mod)
+ modcode = importlib.util.cache_from_source(mod)
+ modpath = mod[len(self.directory+os.sep):]
+ _, _, err = script_helper.assert_python_failure(modcode)
+ expected_in = os.path.join(ddir, modpath)
+ mod_code_obj = test.test_importlib.util.get_code_from_pyc(modcode)
+ self.assertEqual(mod_code_obj.co_filename, expected_in)
+ self.assertIn(f'"{expected_in}"', os.fsdecode(err))
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_ddir_only_one_worker(self):
+ """Recursive compile_dir ddir= contains package paths; bpo39769."""
+ return self._test_ddir_only(ddir="", parallel=False)
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ def test_ddir_multiple_workers(self):
+ """Recursive compile_dir ddir= contains package paths; bpo39769."""
+ return self._test_ddir_only(ddir="", parallel=True)
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_ddir_empty_only_one_worker(self):
+ """Recursive compile_dir ddir='' contains package paths; bpo39769."""
+ return self._test_ddir_only(ddir="", parallel=False)
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ def test_ddir_empty_multiple_workers(self):
+ """Recursive compile_dir ddir='' contains package paths; bpo39769."""
+ return self._test_ddir_only(ddir="", parallel=True)
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_strip_only(self):
+ fullpath = ["test", "build", "real", "path"]
+ path = os.path.join(self.directory, *fullpath)
+ os.makedirs(path)
+ script = script_helper.make_script(path, "test", "1 / 0")
+ bc = importlib.util.cache_from_source(script)
+ stripdir = os.path.join(self.directory, *fullpath[:2])
+ compileall.compile_dir(path, quiet=True, stripdir=stripdir)
+ rc, out, err = script_helper.assert_python_failure(bc)
+ expected_in = os.path.join(*fullpath[2:])
+ self.assertIn(
+ expected_in,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+ self.assertNotIn(
+ stripdir,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+
+ def test_prepend_only(self):
+ fullpath = ["test", "build", "real", "path"]
+ path = os.path.join(self.directory, *fullpath)
+ os.makedirs(path)
+ script = script_helper.make_script(path, "test", "1 / 0")
+ bc = importlib.util.cache_from_source(script)
+ prependdir = "/foo"
+ compileall.compile_dir(path, quiet=True, prependdir=prependdir)
+ rc, out, err = script_helper.assert_python_failure(bc)
+ expected_in = os.path.join(prependdir, self.directory, *fullpath)
+ self.assertIn(
+ expected_in,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_strip_and_prepend(self):
+ fullpath = ["test", "build", "real", "path"]
+ path = os.path.join(self.directory, *fullpath)
+ os.makedirs(path)
+ script = script_helper.make_script(path, "test", "1 / 0")
+ bc = importlib.util.cache_from_source(script)
+ stripdir = os.path.join(self.directory, *fullpath[:2])
+ prependdir = "/foo"
+ compileall.compile_dir(path, quiet=True,
+ stripdir=stripdir, prependdir=prependdir)
+ rc, out, err = script_helper.assert_python_failure(bc)
+ expected_in = os.path.join(prependdir, *fullpath[2:])
+ self.assertIn(
+ expected_in,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+ self.assertNotIn(
+ stripdir,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+
+ def test_strip_prepend_and_ddir(self):
+ fullpath = ["test", "build", "real", "path", "ddir"]
+ path = os.path.join(self.directory, *fullpath)
+ os.makedirs(path)
+ script_helper.make_script(path, "test", "1 / 0")
+ with self.assertRaises(ValueError):
+ compileall.compile_dir(path, quiet=True, ddir="/bar",
+ stripdir="/foo", prependdir="/bar")
+
+ def test_multiple_optimization_levels(self):
+ script = script_helper.make_script(self.directory,
+ "test_optimization",
+ "a = 0")
+ bc = []
+ for opt_level in "", 1, 2, 3:
+ bc.append(importlib.util.cache_from_source(script,
+ optimization=opt_level))
+ test_combinations = [[0, 1], [1, 2], [0, 2], [0, 1, 2]]
+ for opt_combination in test_combinations:
+ compileall.compile_file(script, quiet=True,
+ optimize=opt_combination)
+ for opt_level in opt_combination:
+ self.assertTrue(os.path.isfile(bc[opt_level]))
+ try:
+ os.unlink(bc[opt_level])
+ except Exception:
+ pass
+
+ @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON")
+ @os_helper.skip_unless_symlink
+ def test_ignore_symlink_destination(self):
+ # Create folders for allowed files, symlinks and prohibited area
+ allowed_path = os.path.join(self.directory, "test", "dir", "allowed")
+ symlinks_path = os.path.join(self.directory, "test", "dir", "symlinks")
+ prohibited_path = os.path.join(self.directory, "test", "dir", "prohibited")
+ os.makedirs(allowed_path)
+ os.makedirs(symlinks_path)
+ os.makedirs(prohibited_path)
+
+ # Create scripts and symlinks and remember their byte-compiled versions
+ allowed_script = script_helper.make_script(allowed_path, "test_allowed", "a = 0")
+ prohibited_script = script_helper.make_script(prohibited_path, "test_prohibited", "a = 0")
+ allowed_symlink = os.path.join(symlinks_path, "test_allowed.py")
+ prohibited_symlink = os.path.join(symlinks_path, "test_prohibited.py")
+ os.symlink(allowed_script, allowed_symlink)
+ os.symlink(prohibited_script, prohibited_symlink)
+ allowed_bc = importlib.util.cache_from_source(allowed_symlink)
+ prohibited_bc = importlib.util.cache_from_source(prohibited_symlink)
+
+ compileall.compile_dir(symlinks_path, quiet=True, limit_sl_dest=allowed_path)
+
+ self.assertTrue(os.path.isfile(allowed_bc))
+ self.assertFalse(os.path.isfile(prohibited_bc))
+
+
+class CompileallTestsWithSourceEpoch(CompileallTestsBase,
+ unittest.TestCase,
+ metaclass=SourceDateEpochTestMeta,
+ source_date_epoch=True):
+ pass
+
+
+class CompileallTestsWithoutSourceEpoch(CompileallTestsBase,
+ unittest.TestCase,
+ metaclass=SourceDateEpochTestMeta,
+ source_date_epoch=False):
+ pass
+
+
+# WASI does not have a temp directory and uses cwd instead. The cwd contains
+# non-ASCII chars, so _walk_dir() fails to encode self.directory.
+@unittest.skipIf(support.is_wasi, "tempdir is not encodable on WASI")
+class EncodingTest(unittest.TestCase):
+ """Issue 6716: compileall should escape source code when printing errors
+ to stdout."""
+
+ def setUp(self):
+ self.directory = tempfile.mkdtemp()
+ self.source_path = os.path.join(self.directory, '_test.py')
+ with open(self.source_path, 'w', encoding='utf-8') as file:
+ file.write('# -*- coding: utf-8 -*-\n')
+ file.write('print u"\u20ac"\n')
+
+ def tearDown(self):
+ shutil.rmtree(self.directory)
+
+ def test_error(self):
+ try:
+ orig_stdout = sys.stdout
+ sys.stdout = io.TextIOWrapper(io.BytesIO(),encoding='ascii')
+ compileall.compile_dir(self.directory)
+ finally:
+ sys.stdout = orig_stdout
+
+
+class CommandLineTestsBase:
+ """Test compileall's CLI."""
+
+ def setUp(self):
+ self.directory = tempfile.mkdtemp()
+ self.addCleanup(os_helper.rmtree, self.directory)
+ self.pkgdir = os.path.join(self.directory, 'foo')
+ os.mkdir(self.pkgdir)
+ self.pkgdir_cachedir = os.path.join(self.pkgdir, '__pycache__')
+ # Create the __init__.py and a package module.
+ self.initfn = script_helper.make_script(self.pkgdir, '__init__', '')
+ self.barfn = script_helper.make_script(self.pkgdir, 'bar', '')
+
+ @contextlib.contextmanager
+ def temporary_pycache_prefix(self):
+ """Adjust and restore sys.pycache_prefix."""
+ old_prefix = sys.pycache_prefix
+ new_prefix = os.path.join(self.directory, '__testcache__')
+ try:
+ sys.pycache_prefix = new_prefix
+ yield {
+ 'PYTHONPATH': self.directory,
+ 'PYTHONPYCACHEPREFIX': new_prefix,
+ }
+ finally:
+ sys.pycache_prefix = old_prefix
+
+ def _get_run_args(self, args):
+ return [*support.optim_args_from_interpreter_flags(),
+ '-S', '-m', 'compileall',
+ *args]
+
+ def assertRunOK(self, *args, **env_vars):
+ rc, out, err = script_helper.assert_python_ok(
+ *self._get_run_args(args), **env_vars,
+ PYTHONIOENCODING='utf-8')
+ self.assertEqual(b'', err)
+ return out
+
+ def assertRunNotOK(self, *args, **env_vars):
+ rc, out, err = script_helper.assert_python_failure(
+ *self._get_run_args(args), **env_vars,
+ PYTHONIOENCODING='utf-8')
+ return rc, out, err
+
+ def assertCompiled(self, fn):
+ path = importlib.util.cache_from_source(fn)
+ self.assertTrue(os.path.exists(path))
+
+ def assertNotCompiled(self, fn):
+ path = importlib.util.cache_from_source(fn)
+ self.assertFalse(os.path.exists(path))
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_no_args_compiles_path(self):
+ # Note that -l is implied for the no args case.
+ bazfn = script_helper.make_script(self.directory, 'baz', '')
+ with self.temporary_pycache_prefix() as env:
+ self.assertRunOK(**env)
+ self.assertCompiled(bazfn)
+ self.assertNotCompiled(self.initfn)
+ self.assertNotCompiled(self.barfn)
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ @without_source_date_epoch # timestamp invalidation test
+ @support.requires_resource('cpu')
+ def test_no_args_respects_force_flag(self):
+ bazfn = script_helper.make_script(self.directory, 'baz', '')
+ with self.temporary_pycache_prefix() as env:
+ self.assertRunOK(**env)
+ pycpath = importlib.util.cache_from_source(bazfn)
+ # Set atime/mtime backward to avoid file timestamp resolution issues
+ os.utime(pycpath, (time.time()-60,)*2)
+ mtime = os.stat(pycpath).st_mtime
+ # Without force, no recompilation
+ self.assertRunOK(**env)
+ mtime2 = os.stat(pycpath).st_mtime
+ self.assertEqual(mtime, mtime2)
+ # Now force it.
+ self.assertRunOK('-f', **env)
+ mtime2 = os.stat(pycpath).st_mtime
+ self.assertNotEqual(mtime, mtime2)
+
+ @support.requires_resource('cpu')
+ def test_no_args_respects_quiet_flag(self):
+ script_helper.make_script(self.directory, 'baz', '')
+ with self.temporary_pycache_prefix() as env:
+ noisy = self.assertRunOK(**env)
+ self.assertIn(b'Listing ', noisy)
+ quiet = self.assertRunOK('-q', **env)
+ self.assertNotIn(b'Listing ', quiet)
+
+ # Ensure that the default behavior of compileall's CLI is to create
+ # PEP 3147/PEP 488 pyc files.
+ for name, ext, switch in [
+ ('normal', 'pyc', []),
+ ('optimize', 'opt-1.pyc', ['-O']),
+ ('doubleoptimize', 'opt-2.pyc', ['-OO']),
+ ]:
+ def f(self, ext=ext, switch=switch):
+ script_helper.assert_python_ok(*(switch +
+ ['-m', 'compileall', '-q', self.pkgdir]))
+ # Verify the __pycache__ directory contents.
+ self.assertTrue(os.path.exists(self.pkgdir_cachedir))
+ expected = sorted(base.format(sys.implementation.cache_tag, ext)
+ for base in ('__init__.{}.{}', 'bar.{}.{}'))
+ self.assertEqual(sorted(os.listdir(self.pkgdir_cachedir)), expected)
+ # Make sure there are no .pyc files in the source directory.
+ self.assertFalse([fn for fn in os.listdir(self.pkgdir)
+ if fn.endswith(ext)])
+ locals()['test_pep3147_paths_' + name] = f
+
+ def test_legacy_paths(self):
+ # Ensure that with the proper switch, compileall leaves legacy
+ # pyc files, and no __pycache__ directory.
+ self.assertRunOK('-b', '-q', self.pkgdir)
+ # Verify the __pycache__ directory contents.
+ self.assertFalse(os.path.exists(self.pkgdir_cachedir))
+ expected = sorted(['__init__.py', '__init__.pyc', 'bar.py',
+ 'bar.pyc'])
+ self.assertEqual(sorted(os.listdir(self.pkgdir)), expected)
+
+ def test_multiple_runs(self):
+ # Bug 8527 reported that multiple calls produced empty
+ # __pycache__/__pycache__ directories.
+ self.assertRunOK('-q', self.pkgdir)
+ # Verify the __pycache__ directory contents.
+ self.assertTrue(os.path.exists(self.pkgdir_cachedir))
+ cachecachedir = os.path.join(self.pkgdir_cachedir, '__pycache__')
+ self.assertFalse(os.path.exists(cachecachedir))
+ # Call compileall again.
+ self.assertRunOK('-q', self.pkgdir)
+ self.assertTrue(os.path.exists(self.pkgdir_cachedir))
+ self.assertFalse(os.path.exists(cachecachedir))
+
+ @without_source_date_epoch # timestamp invalidation test
+ def test_force(self):
+ self.assertRunOK('-q', self.pkgdir)
+ pycpath = importlib.util.cache_from_source(self.barfn)
+ # set atime/mtime backward to avoid file timestamp resolution issues
+ os.utime(pycpath, (time.time()-60,)*2)
+ mtime = os.stat(pycpath).st_mtime
+ # without force, no recompilation
+ self.assertRunOK('-q', self.pkgdir)
+ mtime2 = os.stat(pycpath).st_mtime
+ self.assertEqual(mtime, mtime2)
+ # now force it.
+ self.assertRunOK('-q', '-f', self.pkgdir)
+ mtime2 = os.stat(pycpath).st_mtime
+ self.assertNotEqual(mtime, mtime2)
+
+ def test_recursion_control(self):
+ subpackage = os.path.join(self.pkgdir, 'spam')
+ os.mkdir(subpackage)
+ subinitfn = script_helper.make_script(subpackage, '__init__', '')
+ hamfn = script_helper.make_script(subpackage, 'ham', '')
+ self.assertRunOK('-q', '-l', self.pkgdir)
+ self.assertNotCompiled(subinitfn)
+ self.assertFalse(os.path.exists(os.path.join(subpackage, '__pycache__')))
+ self.assertRunOK('-q', self.pkgdir)
+ self.assertCompiled(subinitfn)
+ self.assertCompiled(hamfn)
+
+ def test_recursion_limit(self):
+ subpackage = os.path.join(self.pkgdir, 'spam')
+ subpackage2 = os.path.join(subpackage, 'ham')
+ subpackage3 = os.path.join(subpackage2, 'eggs')
+ for pkg in (subpackage, subpackage2, subpackage3):
+ script_helper.make_pkg(pkg)
+
+ subinitfn = os.path.join(subpackage, '__init__.py')
+ hamfn = script_helper.make_script(subpackage, 'ham', '')
+ spamfn = script_helper.make_script(subpackage2, 'spam', '')
+ eggfn = script_helper.make_script(subpackage3, 'egg', '')
+
+ self.assertRunOK('-q', '-r 0', self.pkgdir)
+ self.assertNotCompiled(subinitfn)
+ self.assertFalse(
+ os.path.exists(os.path.join(subpackage, '__pycache__')))
+
+ self.assertRunOK('-q', '-r 1', self.pkgdir)
+ self.assertCompiled(subinitfn)
+ self.assertCompiled(hamfn)
+ self.assertNotCompiled(spamfn)
+
+ self.assertRunOK('-q', '-r 2', self.pkgdir)
+ self.assertCompiled(subinitfn)
+ self.assertCompiled(hamfn)
+ self.assertCompiled(spamfn)
+ self.assertNotCompiled(eggfn)
+
+ self.assertRunOK('-q', '-r 5', self.pkgdir)
+ self.assertCompiled(subinitfn)
+ self.assertCompiled(hamfn)
+ self.assertCompiled(spamfn)
+ self.assertCompiled(eggfn)
+
+ @unittest.skipIf(sys.platform == 'win32', 'hang')
+ @os_helper.skip_unless_symlink
+ def test_symlink_loop(self):
+ # Currently, compileall ignores symlinks to directories.
+ # If that limitation is ever lifted, it should protect against
+ # recursion in symlink loops.
+ pkg = os.path.join(self.pkgdir, 'spam')
+ script_helper.make_pkg(pkg)
+ os.symlink('.', os.path.join(pkg, 'evil'))
+ os.symlink('.', os.path.join(pkg, 'evil2'))
+ self.assertRunOK('-q', self.pkgdir)
+ self.assertCompiled(os.path.join(
+ self.pkgdir, 'spam', 'evil', 'evil2', '__init__.py'
+ ))
+
+ def test_quiet(self):
+ noisy = self.assertRunOK(self.pkgdir)
+ quiet = self.assertRunOK('-q', self.pkgdir)
+ self.assertNotEqual(b'', noisy)
+ self.assertEqual(b'', quiet)
+
+ def test_silent(self):
+ script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
+ _, quiet, _ = self.assertRunNotOK('-q', self.pkgdir)
+ _, silent, _ = self.assertRunNotOK('-qq', self.pkgdir)
+ self.assertNotEqual(b'', quiet)
+ self.assertEqual(b'', silent)
+
+ def test_regexp(self):
+ self.assertRunOK('-q', '-x', r'ba[^\\/]*$', self.pkgdir)
+ self.assertNotCompiled(self.barfn)
+ self.assertCompiled(self.initfn)
+
+ def test_multiple_dirs(self):
+ pkgdir2 = os.path.join(self.directory, 'foo2')
+ os.mkdir(pkgdir2)
+ init2fn = script_helper.make_script(pkgdir2, '__init__', '')
+ bar2fn = script_helper.make_script(pkgdir2, 'bar2', '')
+ self.assertRunOK('-q', self.pkgdir, pkgdir2)
+ self.assertCompiled(self.initfn)
+ self.assertCompiled(self.barfn)
+ self.assertCompiled(init2fn)
+ self.assertCompiled(bar2fn)
+
+ def test_d_compile_error(self):
+ script_helper.make_script(self.pkgdir, 'crunchyfrog', 'bad(syntax')
+ rc, out, err = self.assertRunNotOK('-q', '-d', 'dinsdale', self.pkgdir)
+ self.assertRegex(out, b'File "dinsdale')
+
+ def test_d_runtime_error(self):
+ bazfn = script_helper.make_script(self.pkgdir, 'baz', 'raise Exception')
+ self.assertRunOK('-q', '-d', 'dinsdale', self.pkgdir)
+ fn = script_helper.make_script(self.pkgdir, 'bing', 'import baz')
+ pyc = importlib.util.cache_from_source(bazfn)
+ os.rename(pyc, os.path.join(self.pkgdir, 'baz.pyc'))
+ os.remove(bazfn)
+ rc, out, err = script_helper.assert_python_failure(fn, __isolated=False)
+ self.assertRegex(err, b'File "dinsdale')
+
+ def test_include_bad_file(self):
+ rc, out, err = self.assertRunNotOK(
+ '-i', os.path.join(self.directory, 'nosuchfile'), self.pkgdir)
+ self.assertRegex(out, b'rror.*nosuchfile')
+ self.assertNotRegex(err, b'Traceback')
+ self.assertFalse(os.path.exists(importlib.util.cache_from_source(
+ self.pkgdir_cachedir)))
+
+ def test_include_file_with_arg(self):
+ f1 = script_helper.make_script(self.pkgdir, 'f1', '')
+ f2 = script_helper.make_script(self.pkgdir, 'f2', '')
+ f3 = script_helper.make_script(self.pkgdir, 'f3', '')
+ f4 = script_helper.make_script(self.pkgdir, 'f4', '')
+ with open(os.path.join(self.directory, 'l1'), 'w', encoding="utf-8") as l1:
+ l1.write(os.path.join(self.pkgdir, 'f1.py')+os.linesep)
+ l1.write(os.path.join(self.pkgdir, 'f2.py')+os.linesep)
+ self.assertRunOK('-i', os.path.join(self.directory, 'l1'), f4)
+ self.assertCompiled(f1)
+ self.assertCompiled(f2)
+ self.assertNotCompiled(f3)
+ self.assertCompiled(f4)
+
+ def test_include_file_no_arg(self):
+ f1 = script_helper.make_script(self.pkgdir, 'f1', '')
+ f2 = script_helper.make_script(self.pkgdir, 'f2', '')
+ f3 = script_helper.make_script(self.pkgdir, 'f3', '')
+ f4 = script_helper.make_script(self.pkgdir, 'f4', '')
+ with open(os.path.join(self.directory, 'l1'), 'w', encoding="utf-8") as l1:
+ l1.write(os.path.join(self.pkgdir, 'f2.py')+os.linesep)
+ self.assertRunOK('-i', os.path.join(self.directory, 'l1'))
+ self.assertNotCompiled(f1)
+ self.assertCompiled(f2)
+ self.assertNotCompiled(f3)
+ self.assertNotCompiled(f4)
+
+ def test_include_on_stdin(self):
+ f1 = script_helper.make_script(self.pkgdir, 'f1', '')
+ f2 = script_helper.make_script(self.pkgdir, 'f2', '')
+ f3 = script_helper.make_script(self.pkgdir, 'f3', '')
+ f4 = script_helper.make_script(self.pkgdir, 'f4', '')
+ p = script_helper.spawn_python(*(self._get_run_args(()) + ['-i', '-']))
+ p.stdin.write((f3+os.linesep).encode('ascii'))
+ script_helper.kill_python(p)
+ self.assertNotCompiled(f1)
+ self.assertNotCompiled(f2)
+ self.assertCompiled(f3)
+ self.assertNotCompiled(f4)
+
+ def test_compiles_as_much_as_possible(self):
+ bingfn = script_helper.make_script(self.pkgdir, 'bing', 'syntax(error')
+ rc, out, err = self.assertRunNotOK('nosuchfile', self.initfn,
+ bingfn, self.barfn)
+ self.assertRegex(out, b'rror')
+ self.assertNotCompiled(bingfn)
+ self.assertCompiled(self.initfn)
+ self.assertCompiled(self.barfn)
+
+ def test_invalid_arg_produces_message(self):
+ out = self.assertRunOK('badfilename')
+ self.assertRegex(out, b"Can't list 'badfilename'")
+
+ def test_pyc_invalidation_mode(self):
+ script_helper.make_script(self.pkgdir, 'f1', '')
+ pyc = importlib.util.cache_from_source(
+ os.path.join(self.pkgdir, 'f1.py'))
+ self.assertRunOK('--invalidation-mode=checked-hash', self.pkgdir)
+ with open(pyc, 'rb') as fp:
+ data = fp.read()
+ self.assertEqual(int.from_bytes(data[4:8], 'little'), 0b11)
+ self.assertRunOK('--invalidation-mode=unchecked-hash', self.pkgdir)
+ with open(pyc, 'rb') as fp:
+ data = fp.read()
+ self.assertEqual(int.from_bytes(data[4:8], 'little'), 0b01)
+
+ @skipUnless(_have_multiprocessing, "requires multiprocessing")
+ def test_workers(self):
+ bar2fn = script_helper.make_script(self.directory, 'bar2', '')
+ files = []
+ for suffix in range(5):
+ pkgdir = os.path.join(self.directory, 'foo{}'.format(suffix))
+ os.mkdir(pkgdir)
+ fn = script_helper.make_script(pkgdir, '__init__', '')
+ files.append(script_helper.make_script(pkgdir, 'bar2', ''))
+
+ self.assertRunOK(self.directory, '-j', '0')
+ self.assertCompiled(bar2fn)
+ for file in files:
+ self.assertCompiled(file)
+
+ @mock.patch('compileall.compile_dir')
+ def test_workers_available_cores(self, compile_dir):
+ with mock.patch("sys.argv",
+ new=[sys.executable, self.directory, "-j0"]):
+ compileall.main()
+ self.assertTrue(compile_dir.called)
+ self.assertEqual(compile_dir.call_args[-1]['workers'], 0)
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_strip_and_prepend(self):
+ fullpath = ["test", "build", "real", "path"]
+ path = os.path.join(self.directory, *fullpath)
+ os.makedirs(path)
+ script = script_helper.make_script(path, "test", "1 / 0")
+ bc = importlib.util.cache_from_source(script)
+ stripdir = os.path.join(self.directory, *fullpath[:2])
+ prependdir = "/foo"
+ self.assertRunOK("-s", stripdir, "-p", prependdir, path)
+ rc, out, err = script_helper.assert_python_failure(bc)
+ expected_in = os.path.join(prependdir, *fullpath[2:])
+ self.assertIn(
+ expected_in,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+ self.assertNotIn(
+ stripdir,
+ str(err, encoding=sys.getdefaultencoding())
+ )
+
+ def test_multiple_optimization_levels(self):
+ path = os.path.join(self.directory, "optimizations")
+ os.makedirs(path)
+ script = script_helper.make_script(path,
+ "test_optimization",
+ "a = 0")
+ bc = []
+ for opt_level in "", 1, 2, 3:
+ bc.append(importlib.util.cache_from_source(script,
+ optimization=opt_level))
+ test_combinations = [["0", "1"],
+ ["1", "2"],
+ ["0", "2"],
+ ["0", "1", "2"]]
+ for opt_combination in test_combinations:
+ self.assertRunOK(path, *("-o" + str(n) for n in opt_combination))
+ for opt_level in opt_combination:
+ self.assertTrue(os.path.isfile(bc[int(opt_level)]))
+ try:
+ os.unlink(bc[opt_level])
+ except Exception:
+ pass
+
+ @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON")
+ @os_helper.skip_unless_symlink
+ def test_ignore_symlink_destination(self):
+ # Create folders for allowed files, symlinks and prohibited area
+ allowed_path = os.path.join(self.directory, "test", "dir", "allowed")
+ symlinks_path = os.path.join(self.directory, "test", "dir", "symlinks")
+ prohibited_path = os.path.join(self.directory, "test", "dir", "prohibited")
+ os.makedirs(allowed_path)
+ os.makedirs(symlinks_path)
+ os.makedirs(prohibited_path)
+
+ # Create scripts and symlinks and remember their byte-compiled versions
+ allowed_script = script_helper.make_script(allowed_path, "test_allowed", "a = 0")
+ prohibited_script = script_helper.make_script(prohibited_path, "test_prohibited", "a = 0")
+ allowed_symlink = os.path.join(symlinks_path, "test_allowed.py")
+ prohibited_symlink = os.path.join(symlinks_path, "test_prohibited.py")
+ os.symlink(allowed_script, allowed_symlink)
+ os.symlink(prohibited_script, prohibited_symlink)
+ allowed_bc = importlib.util.cache_from_source(allowed_symlink)
+ prohibited_bc = importlib.util.cache_from_source(prohibited_symlink)
+
+ self.assertRunOK(symlinks_path, "-e", allowed_path)
+
+ self.assertTrue(os.path.isfile(allowed_bc))
+ self.assertFalse(os.path.isfile(prohibited_bc))
+
+ def test_hardlink_bad_args(self):
+ # Bad arguments combination, hardlink deduplication make sense
+ # only for more than one optimization level
+ self.assertRunNotOK(self.directory, "-o 1", "--hardlink-dupes")
+
+ def test_hardlink(self):
+ # 'a = 0' code produces the same bytecode for the 3 optimization
+ # levels. All three .pyc files must have the same inode (hardlinks).
+ #
+ # If deduplication is disabled, all pyc files must have different
+ # inodes.
+ for dedup in (True, False):
+ with tempfile.TemporaryDirectory() as path:
+ with self.subTest(dedup=dedup):
+ script = script_helper.make_script(path, "script", "a = 0")
+ pycs = get_pycs(script)
+
+ args = ["-q", "-o 0", "-o 1", "-o 2"]
+ if dedup:
+ args.append("--hardlink-dupes")
+ self.assertRunOK(path, *args)
+
+ self.assertEqual(is_hardlink(pycs[0], pycs[1]), dedup)
+ self.assertEqual(is_hardlink(pycs[1], pycs[2]), dedup)
+ self.assertEqual(is_hardlink(pycs[0], pycs[2]), dedup)
+
+
+class CommandLineTestsWithSourceEpoch(CommandLineTestsBase,
+ unittest.TestCase,
+ metaclass=SourceDateEpochTestMeta,
+ source_date_epoch=True):
+ pass
+
+
+class CommandLineTestsNoSourceEpoch(CommandLineTestsBase,
+ unittest.TestCase,
+ metaclass=SourceDateEpochTestMeta,
+ source_date_epoch=False):
+ pass
+
+
+
+@unittest.skipUnless(hasattr(os, 'link'), 'requires os.link')
+class HardlinkDedupTestsBase:
+ # Test hardlink_dupes parameter of compileall.compile_dir()
+
+ def setUp(self):
+ self.path = None
+
+ @contextlib.contextmanager
+ def temporary_directory(self):
+ with tempfile.TemporaryDirectory() as path:
+ self.path = path
+ yield path
+ self.path = None
+
+ def make_script(self, code, name="script"):
+ return script_helper.make_script(self.path, name, code)
+
+ def compile_dir(self, *, dedup=True, optimize=(0, 1, 2), force=False):
+ compileall.compile_dir(self.path, quiet=True, optimize=optimize,
+ hardlink_dupes=dedup, force=force)
+
+ def test_bad_args(self):
+ # Bad arguments combination, hardlink deduplication make sense
+ # only for more than one optimization level
+ with self.temporary_directory():
+ self.make_script("pass")
+ with self.assertRaises(ValueError):
+ compileall.compile_dir(self.path, quiet=True, optimize=0,
+ hardlink_dupes=True)
+ with self.assertRaises(ValueError):
+ # same optimization level specified twice:
+ # compile_dir() removes duplicates
+ compileall.compile_dir(self.path, quiet=True, optimize=[0, 0],
+ hardlink_dupes=True)
+
+ def create_code(self, docstring=False, assertion=False):
+ lines = []
+ if docstring:
+ lines.append("'module docstring'")
+ lines.append('x = 1')
+ if assertion:
+ lines.append("assert x == 1")
+ return '\n'.join(lines)
+
+ def iter_codes(self):
+ for docstring in (False, True):
+ for assertion in (False, True):
+ code = self.create_code(docstring=docstring, assertion=assertion)
+ yield (code, docstring, assertion)
+
+ def test_disabled(self):
+ # Deduplication disabled, no hardlinks
+ for code, docstring, assertion in self.iter_codes():
+ with self.subTest(docstring=docstring, assertion=assertion):
+ with self.temporary_directory():
+ script = self.make_script(code)
+ pycs = get_pycs(script)
+ self.compile_dir(dedup=False)
+ self.assertFalse(is_hardlink(pycs[0], pycs[1]))
+ self.assertFalse(is_hardlink(pycs[0], pycs[2]))
+ self.assertFalse(is_hardlink(pycs[1], pycs[2]))
+
+ def check_hardlinks(self, script, docstring=False, assertion=False):
+ pycs = get_pycs(script)
+ self.assertEqual(is_hardlink(pycs[0], pycs[1]),
+ not assertion)
+ self.assertEqual(is_hardlink(pycs[0], pycs[2]),
+ not assertion and not docstring)
+ self.assertEqual(is_hardlink(pycs[1], pycs[2]),
+ not docstring)
+
+ # TODO: RUSTPYTHON
+ @unittest.expectedFailure
+ def test_hardlink(self):
+ # Test deduplication on all combinations
+ for code, docstring, assertion in self.iter_codes():
+ with self.subTest(docstring=docstring, assertion=assertion):
+ with self.temporary_directory():
+ script = self.make_script(code)
+ self.compile_dir()
+ self.check_hardlinks(script, docstring, assertion)
+
+ def test_only_two_levels(self):
+ # Don't build the 3 optimization levels, but only 2
+ for opts in ((0, 1), (1, 2), (0, 2)):
+ with self.subTest(opts=opts):
+ with self.temporary_directory():
+ # code with no dostring and no assertion:
+ # same bytecode for all optimization levels
+ script = self.make_script(self.create_code())
+ self.compile_dir(optimize=opts)
+ pyc1 = get_pyc(script, opts[0])
+ pyc2 = get_pyc(script, opts[1])
+ self.assertTrue(is_hardlink(pyc1, pyc2))
+
+ def test_duplicated_levels(self):
+ # compile_dir() must not fail if optimize contains duplicated
+ # optimization levels and/or if optimization levels are not sorted.
+ with self.temporary_directory():
+ # code with no dostring and no assertion:
+ # same bytecode for all optimization levels
+ script = self.make_script(self.create_code())
+ self.compile_dir(optimize=[1, 0, 1, 0])
+ pyc1 = get_pyc(script, 0)
+ pyc2 = get_pyc(script, 1)
+ self.assertTrue(is_hardlink(pyc1, pyc2))
+
+ def test_recompilation(self):
+ # Test compile_dir() when pyc files already exists and the script
+ # content changed
+ with self.temporary_directory():
+ script = self.make_script("a = 0")
+ self.compile_dir()
+ # All three levels have the same inode
+ self.check_hardlinks(script)
+
+ pycs = get_pycs(script)
+ inode = os.stat(pycs[0]).st_ino
+
+ # Change of the module content
+ script = self.make_script("print(0)")
+
+ # Recompilation without -o 1
+ self.compile_dir(optimize=[0, 2], force=True)
+
+ # opt-1.pyc should have the same inode as before and others should not
+ self.assertEqual(inode, os.stat(pycs[1]).st_ino)
+ self.assertTrue(is_hardlink(pycs[0], pycs[2]))
+ self.assertNotEqual(inode, os.stat(pycs[2]).st_ino)
+ # opt-1.pyc and opt-2.pyc have different content
+ self.assertFalse(filecmp.cmp(pycs[1], pycs[2], shallow=True))
+
+ def test_import(self):
+ # Test that import updates a single pyc file when pyc files already
+ # exists and the script content changed
+ with self.temporary_directory():
+ script = self.make_script(self.create_code(), name="module")
+ self.compile_dir()
+ # All three levels have the same inode
+ self.check_hardlinks(script)
+
+ pycs = get_pycs(script)
+ inode = os.stat(pycs[0]).st_ino
+
+ # Change of the module content
+ script = self.make_script("print(0)", name="module")
+
+ # Import the module in Python with -O (optimization level 1)
+ script_helper.assert_python_ok(
+ "-O", "-c", "import module", __isolated=False, PYTHONPATH=self.path
+ )
+
+ # Only opt-1.pyc is changed
+ self.assertEqual(inode, os.stat(pycs[0]).st_ino)
+ self.assertEqual(inode, os.stat(pycs[2]).st_ino)
+ self.assertFalse(is_hardlink(pycs[1], pycs[2]))
+ # opt-1.pyc and opt-2.pyc have different content
+ self.assertFalse(filecmp.cmp(pycs[1], pycs[2], shallow=True))
+
+
+class HardlinkDedupTestsWithSourceEpoch(HardlinkDedupTestsBase,
+ unittest.TestCase,
+ metaclass=SourceDateEpochTestMeta,
+ source_date_epoch=True):
+ pass
+
+
+class HardlinkDedupTestsNoSourceEpoch(HardlinkDedupTestsBase,
+ unittest.TestCase,
+ metaclass=SourceDateEpochTestMeta,
+ source_date_epoch=False):
+ pass
+
+
+if __name__ == "__main__":
+ unittest.main()