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bpo-27827: identify a greater range of reserved filename on Windows. (GH-26698) (GH-27421)
`pathlib.PureWindowsPath.is_reserved()` now identifies as reserved
filenames with trailing spaces or colons.
Co-authored-by: Barney Gale <barney.gale@foundry.com>
Co-authored-by: Eryk Sun <eryksun@gmail.com>
(cherry picked from commit 56c1f6d7ed
)
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parent
a90a57ed53
commit
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3 changed files with 50 additions and 22 deletions
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@ -1282,19 +1282,35 @@ class PureWindowsPathTest(_BasePurePathTest, unittest.TestCase):
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self.assertIs(False, P('').is_reserved())
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self.assertIs(False, P('/').is_reserved())
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self.assertIs(False, P('/foo/bar').is_reserved())
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self.assertIs(True, P('con').is_reserved())
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self.assertIs(True, P('NUL').is_reserved())
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self.assertIs(True, P('NUL.txt').is_reserved())
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self.assertIs(True, P('com1').is_reserved())
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self.assertIs(True, P('com9.bar').is_reserved())
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self.assertIs(False, P('bar.com9').is_reserved())
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self.assertIs(True, P('lpt1').is_reserved())
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self.assertIs(True, P('lpt9.bar').is_reserved())
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self.assertIs(False, P('bar.lpt9').is_reserved())
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# Only the last component matters.
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self.assertIs(False, P('c:/NUL/con/baz').is_reserved())
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# UNC paths are never reserved.
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self.assertIs(False, P('//my/share/nul/con/aux').is_reserved())
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# Case-insenstive DOS-device names are reserved.
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self.assertIs(True, P('nul').is_reserved())
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self.assertIs(True, P('aux').is_reserved())
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self.assertIs(True, P('prn').is_reserved())
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self.assertIs(True, P('con').is_reserved())
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self.assertIs(True, P('conin$').is_reserved())
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self.assertIs(True, P('conout$').is_reserved())
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# COM/LPT + 1-9 or + superscript 1-3 are reserved.
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self.assertIs(True, P('COM1').is_reserved())
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self.assertIs(True, P('LPT9').is_reserved())
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self.assertIs(True, P('com\xb9').is_reserved())
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self.assertIs(True, P('com\xb2').is_reserved())
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self.assertIs(True, P('lpt\xb3').is_reserved())
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# DOS-device name mataching ignores characters after a dot or
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# a colon and also ignores trailing spaces.
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self.assertIs(True, P('NUL.txt').is_reserved())
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self.assertIs(True, P('PRN ').is_reserved())
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self.assertIs(True, P('AUX .txt').is_reserved())
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self.assertIs(True, P('COM1:bar').is_reserved())
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self.assertIs(True, P('LPT9 :bar').is_reserved())
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# DOS-device names are only matched at the beginning
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# of a path component.
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self.assertIs(False, P('bar.com9').is_reserved())
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self.assertIs(False, P('bar.lpt9').is_reserved())
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# Only the last path component matters.
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self.assertIs(True, P('c:/baz/con/NUL').is_reserved())
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self.assertIs(False, P('c:/NUL/con/baz').is_reserved())
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class PurePathTest(_BasePurePathTest, unittest.TestCase):
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cls = pathlib.PurePath
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