Issue #29416: Prevent infinite loop in pathlib.Path.mkdir
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1add96f1b6
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@ -1235,7 +1235,7 @@ class Path(PurePath):
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if not exist_ok or not self.is_dir():
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raise
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except OSError as e:
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if e.errno != ENOENT:
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if e.errno != ENOENT or self.parent == self:
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raise
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self.parent.mkdir(parents=True)
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self._accessor.mkdir(self, mode)
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@ -1776,6 +1776,17 @@ class _BasePathTest(object):
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self.assertTrue(p.exists())
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self.assertEqual(p.stat().st_ctime, st_ctime_first)
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@only_nt # XXX: not sure how to test this on POSIX
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def test_mkdir_with_unknown_drive(self):
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for d in 'ZYXWVUTSRQPONMLKJIHGFEDCBA':
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p = self.cls(d + ':\\')
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if not p.is_dir():
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break
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else:
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self.skipTest("cannot find a drive that doesn't exist")
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with self.assertRaises(OSError):
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(p / 'child' / 'path').mkdir(parents=True)
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def test_mkdir_with_child_file(self):
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p = self.cls(BASE, 'dirB', 'fileB')
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self.assertTrue(p.exists())
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