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Don't crash if there exists an EGG-INFO directory on sys.path (#13667)

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* Don't crash if there exists an EGG-INFO directory on sys.path

cross-port of https://gitlab.com/python-devs/importlib_metadata/merge_requests/72

* Also catch PermissionError for windows
This commit is contained in:
Anthony Sottile 2019-05-29 17:13:12 -07:00 • committed by Barry Warsaw
parent 29cb21ddb9
commit 8087831231
2 changed files with 10 additions and 1 deletions
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8
Lib/test/test_importlib/test_main.py
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@ -156,3 +156,11 @@ class DiscoveryTests(fixtures.EggInfoPkg,
dist.metadata['Name'] == 'distinfo-pkg'
for dist in dists
)
class DirectoryTest(fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase):
def test(self):
# make an `EGG-INFO` directory that's unrelated
self.site_dir.joinpath('EGG-INFO').mkdir()
# used to crash with `IsADirectoryError`
self.assertIsNone(version('unknown-package'))