Eryk Sun <[email protected]> added the comment:
Please consult the attached file "splitdrive.py". I redesigned splitdrive() to
support "UNC" and "GLOBAL" junctions in device paths. I relaxed the design to
allow repeated separators everywhere except for the UNC root. IIRC, Windows has
supported this since XP. For example:
>>> print(nt._getfullpathname('//server///share'))
\\server\share
>>> print(nt._getfullpathname(r'\\server\\\share'))
\\server\share
There are also a couple of minor behavior changes in the new implementation.
The old implementation would split "//server/" as ('//server/', ''). Since
there's no share, this should not count as a drive. The new implementation
splits it as ('', '//server/'). Similarly it splits '//?/UNC/server/' as ('',
'//?/UNC/server/').
The old implementation also allowed any character as a drive 'letter'. For
example, it would split '/:/spam' as ('/:', '/spam'). The new implementation
ensures that the drive letter in a DOS drive is alphabetic.
I also extended test_splitdrive to use a list of test cases in order to avoid
having to define each case twice. It calls tester() a second time for each
case, with slash and backslash swapped.
----------
Added file: https://bugs.python.org/file48607/splitdrive.py
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<https://bugs.python.org/issue37609>
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