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gh-100809: Fix handling of drive-relative paths in pathlib.Path.absolute() (GH-100812)

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Resolving the drive independently uses the OS API, which ensures it starts from the current directory on that drive.
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Barney Gale 2023-02-17 14:08:14 +00:00 • committed by GitHub
parent d401b20630
commit 072011b3c3
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4 changed files with 64 additions and 1 deletions
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20
Lib/test/test_pathlib.py
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@ -2973,6 +2973,26 @@ class WindowsPathTest(_BasePathTest, unittest.TestCase):
self.assertEqual(str(P('a', 'b', 'c').absolute()),
os.path.join(share, 'a', 'b', 'c'))
drive = os.path.splitdrive(BASE)[0]
with os_helper.change_cwd(BASE):
# Relative path with root
self.assertEqual(str(P('\\').absolute()), drive + '\\')
self.assertEqual(str(P('\\foo').absolute()), drive + '\\foo')
# Relative path on current drive
self.assertEqual(str(P(drive).absolute()), BASE)
self.assertEqual(str(P(drive + 'foo').absolute()), os.path.join(BASE, 'foo'))
with os_helper.subst_drive(BASE) as other_drive:
# Set the working directory on the substitute drive
saved_cwd = os.getcwd()
other_cwd = f'{other_drive}\\dirA'
os.chdir(other_cwd)
os.chdir(saved_cwd)
# Relative path on another drive
self.assertEqual(str(P(other_drive).absolute()), other_cwd)
self.assertEqual(str(P(other_drive + 'foo').absolute()), other_cwd + '\\foo')
def test_glob(self):
P = self.cls