[ python-Bugs-636648 ] os.path.normpath leading '//'

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Bugs item #636648, was opened at 2002-11-11 10:00
Message generated for change (Comment added) made by mkc
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Category: Python Library
Group: Python 2.2.1
Status: Closed
Resolution: Invalid
Priority: 5
Submitted By: Nicholas Jones (carpaski)
Assigned to: Neal Norwitz (nnorwitz)
Summary: os.path.normpath leading '//'

Initial Comment:
normpath does not remove leading double slashes. (Linux)
Python 2.2.1 (#1, Oct 30 2002, 19:46:40)

>>> import os.path
>>> os.path.normpath("//usr/bin")
'//usr/bin'
>>> os.path.normpath("///usr/bin")
'/usr/bin'
>>> os.path.normpath("//./usr/bin")
'//usr/bin'


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Comment By: Mike Coleman (mkc)
Date: 2005-09-28 14:11

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Nonetheless, keeping an initial double slash renders this
function useless for its expected purpose.  If this cannot
be fixed outright, could be add a flag (with doc) to provide
the expected behavior (i.e., squish all multiple slash
sequences)?

This document (link below) says "Application developers
should avoid generating pathnames that start with "//".
Implementations are strongly encouraged to avoid using this
special interpretation..."

http://64.233.167.104/search?q=cache:DY5cJbmtg7QJ:www.opengroup.org/onlinepubs/009695399/xrat/xbd_chap04.html+posix+path+double+initial+slash&hl=en

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Comment By: Neal Norwitz (nnorwitz)
Date: 2002-11-13 21:39

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This is the intent of the code.  The comment says:
    # POSIX allows one or two initial slashes, but treats
three or more
    # as single slash.

Therefore, I'm closing this as Invalid.

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