[Python-bugs-list] [ python-Bugs-728097 ] tmpnam problems on windows 2.3b, breaks test.test_os

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Bugs item #728097, was opened at 2003-04-26 18:28
Message generated for change (Comment added) made by irmen
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=728097&group_id=5470

Category: Windows
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Irmen de Jong (irmen)
Assigned to: Tim Peters (tim_one)
Summary: tmpnam problems on windows 2.3b, breaks test.test_os

Initial Comment:
(python 2.3b on Windows XP, regular user account)

Problem running test.test_os:

==============================================================
ERROR: test_tmpfile (__main__.TemporaryFileTests)
--------------------------------------------------------------
Traceback (most recent call last):
  File "Lib\test\test_os.py", line 49, in test_tmpfile
    fp = os.tmpfile()
OSError: [Errno 13] Permission denied

==============================================================
ERROR: test_tmpnam (__main__.TemporaryFileTests)
--------------------------------------------------------------
Traceback (most recent call last):
  File "Lib\test\test_os.py", line 61, in test_tmpnam
    self.check_tempfile(os.tmpnam())
  File "Lib\test\test_os.py", line 29, in check_tempfile
    open(name, "w")
IOError: [Errno 13] Permission denied: '\sd4.'


It appears Python 2.3b has troubles writing to a file
returned by os.tmpnam(), because when I try this on
Python 2.2:
>>> open(os.tmpnam(),"w")
<open file '\s128.8', mode 'w' at 0x0091BCC8>

Where Python 2.3b gives:
>>> open(os.tmpnam(),"w")
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
IOError: [Errno 13] Permission denied: '\sg4.1'


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>Comment By: Irmen de Jong (irmen)
Date: 2003-04-26 18:39

Message:
Logged In: YES 
user_id=129426

Extra info:
Forget about Python 2.2, I tried again and it doesn't work
with 2.2 either. I found out why: My user account has no
write access in the root of C:\  !!  I don't know about the
format of the filenames returned from os.tmpnam(), but it
appears that they are created in the root of  the current
drive, which fails if that is C:\ -- where I have no write
access.

Needless to say, it works fine when running with
administrative priviliges because then we are allowed to
write in the root of C:\


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