[Python-bugs-list] [ python-Bugs-442712 ] os.path.expanduser problem w/o HOME set

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Bugs item #442712, was opened at 2001-07-19 04:05
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Category: Windows
Group: Python 2.1.1
Status: Closed
Resolution: Fixed
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Tim Peters (tim_one)
Summary: os.path.expanduser problem w/o HOME set

Initial Comment:
If I do a os.path.expanduser("~") I get '\Documents
and Settings\kwg' - the C: drive is not mentioned.
I traced this to the call to join (and onwards to the
isabs call in the code for the join function.
Simple remedy is to use
userhome = drive + os.environ['HOMEPATH']
instead of 
userhome = join(drive, os.environ['HOMEPATH']

My sys.version value is
'2.1 (#15, Apr 16 2001, 18:24:49) [MSC 32 bit (Intel]'

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>Comment By: Guido van Rossum (gvanrossum)
Date: 2001-07-19 11:35

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Is there a test suite for ntpath that shows the various
endcases?


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Comment By: Tim Peters (tim_one)
Date: 2001-07-19 10:21

Message:
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Agree with Guido that ntpath.join was too stupid.  Fixed in

Lib/ntpath.py, rev 1.37.

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Comment By: Guido van Rossum (gvanrossum)
Date: 2001-07-19 07:08

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Well, I think join should be made smarter!

os.path.isabs("\foo") returns 0 because \f is interpreted by
the interpreter as '\x0c'.  Try "\foo" or r"\foo" instead.

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Comment By: Nobody/Anonymous (nobody)
Date: 2001-07-19 06:11

Message:
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I think the reason why join doesn't work is to do with isabs
returning true when "\foo" is entered as a parameter under
NT - surely the name of the drive must be included if the
parameter doesn't look like a UNC filename?
Inother words, on NT
\foo should fail
//ferrari\foo should not fail
c:\foo should not fail

I've also noticed that os.path.isabs("\foo") returns 0,
os.path.isabs("/foo") returns 1 on Windows 2000. Surely this
should be the other way round?

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Comment By: Guido van Rossum (gvanrossum)
Date: 2001-07-19 05:45

Message:
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Hm, but why doesn't the join() work?

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