[ python-Bugs-1373197 ] os.makedirs fail if path contains os.pardir

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Bugs item #1373197, was opened at 2005-12-05 04:05
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Category: Python Library
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nir Soffer (nirs)
Assigned to: Nobody/Anonymous (nobody)
Summary: os.makedirs fail if path contains os.pardir

Initial Comment:
os.makedirs fail with "OSError: [Errno 17] File exists:" error when trying 
to create paths like 'a/b/../c' or 'a/b/c/..'.

Seen on 2.3.0, 2.4.1 and 2.5.0.

Included patch with new test cases that fail with current 2.5 code. 

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1373197&group_id=5470