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[3.14] gh-82916: Don't fail when importing from / with sys.pycache_prefix set (GH-30456) (GH-137906)

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(cherry picked from commit d8a9466e29)

Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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Miss Islington (bot) 2025-10-07 18:55:33 +02:00 • committed by GitHub
parent 0accda7468
commit ddd1264469
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3 changed files with 16 additions and 1 deletions
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12
Lib/test/test_importlib/test_util.py
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@ -580,6 +580,18 @@ def test_cache_from_source_respects_pycache_prefix_relative(self):
self.util.cache_from_source(path, optimization=''),
os.path.normpath(expect))
@unittest.skipIf(sys.implementation.cache_tag is None,
'requires sys.implementation.cache_tag to not be None')
def test_cache_from_source_in_root_with_pycache_prefix(self):
# Regression test for gh-82916
pycache_prefix = os.path.join(os.path.sep, 'tmp', 'bytecode')
path = 'qux.py'
expect = os.path.join(os.path.sep, 'tmp', 'bytecode',
f'qux.{self.tag}.pyc')
with util.temporary_pycache_prefix(pycache_prefix):
with os_helper.change_cwd('/'):
self.assertEqual(self.util.cache_from_source(path), expect)
@unittest.skipIf(sys.implementation.cache_tag is None,
'requires sys.implementation.cache_tag to not be None')
def test_source_from_cache_inside_pycache_prefix(self):