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gh-96192: fix os.ismount() to use a path that is str or bytes (GH-96194)

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(cherry picked from commit 367f552129)

Co-authored-by: Christoph Anton Mitterer <calestyo@scientia.org>
Signed-off-by: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>
Co-authored-by: Eryk Sun <eryksun@gmail.com>
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
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Miss Islington (bot) 2022-11-30 15:31:49 -08:00 • committed by GitHub
parent f4511d3ee9
commit 0076ca48e9
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1
Lib/posixpath.py
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@ -195,6 +195,7 @@ def ismount(path):
if stat.S_ISLNK(s1.st_mode): if stat.S_ISLNK(s1.st_mode):
return False return False
path = os.fspath(path)
if isinstance(path, bytes): if isinstance(path, bytes):
parent = join(path, b'..') parent = join(path, b'..')
else: else:

2
Lib/test/test_posixpath.py
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@ -178,6 +178,8 @@ class PosixPathTest(unittest.TestCase):
def test_ismount(self): def test_ismount(self):
self.assertIs(posixpath.ismount("/"), True) self.assertIs(posixpath.ismount("/"), True)
self.assertIs(posixpath.ismount(b"/"), True) self.assertIs(posixpath.ismount(b"/"), True)
self.assertIs(posixpath.ismount(FakePath("/")), True)
self.assertIs(posixpath.ismount(FakePath(b"/")), True)
def test_ismount_non_existent(self): def test_ismount_non_existent(self):
# Non-existent mountpoint. # Non-existent mountpoint.

1
Misc/NEWS.d/next/Library/2022-08-23-03-13-18.gh-issue-96192.TJywOF.rst Normal file
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@ -0,0 +1 @@
Fix handling of ``bytes`` :term:`path-like objects <path-like object>` in :func:`os.ismount()`.