New submission from Dustin Oprea:
Notice that os.path.dirname() returns whatever it is given if it is given a
URN, regardless of slash-type. Oddly, you have to double-up the forward-slashes
(like you're escaping them) in order to get the correct result (if you're using
forward-slashes). Back-slashes appear to be broken no matter what.
C:\Python35-32>python
Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:01:18) [MSC v.1900 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import os.path
>>> os.path.dirname("\\\\a\\b")
'\\\\a\\b'
>>> os.path.dirname("//a/b")
'//a/b'
>>> os.path.dirname("////a//b")
'////a'
Any ideas?
----------
components: Windows
messages: 269404
nosy: Dustin.Oprea, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: os.path.dirname doesn't handle Windows' URNs correctly
type: behavior
versions: Python 2.7, Python 3.5
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue27403>
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