[ python-Bugs-868743 ] os.tmpfile seek(0) fails on cygwin

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Bugs item #868743, was opened at 2004-01-01 01:29
Message generated for change (Comment added) made by jlt63
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Category: Python Library
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Miki Tebeka (tebeka)
Assigned to: Jason Tishler (jlt63)
Summary: os.tmpfile seek(0) fails on cygwin

Initial Comment:
[12:25] $python
Python 2.3.3 (#1, Dec 22 2003, 11:56:28) 
[GCC 3.3.1 (cygming special)] on cygwin
Type "help", "copyright", "credits" or "license" for
more information.
>>> from os import tmpfile
>>> f = tmpfile() 
>>> f.seek(0)
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
IOError: [Errno 29] Illegal seek
>>> 


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>Comment By: Jason Tishler (jlt63)
Date: 2004-01-26 08:00

Message:
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I'm waiting for Cygwin 1.5.7, because 1.5.6 is too unstable.
Sorry for the delay...

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Comment By: Jason Tishler (jlt63)
Date: 2004-01-02 11:21

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Hmm...was someone looking over my shoulder?  Guess
what I was investigating before I broke for New
Years?

$ python /usr/lib/python2.3/test/regrtest.py -l test_os
test_os
test test_os failed -- Traceback (most recent call last):
  File "/tmp/python.280/usr/lib/python2.3/test/test_os.py", 
line 50, in test_tmpfile
IOError: [Errno 29] Illegal seek

The good news is this problem is fixed in Cygwin
CVS:

http://cygwin.com/ml/cygwin-cvs/2003-q4/msg00076.html

The bad news is I must rebuild against the next
official Cygwin release (i.e. 1.5.6) before users
can get this fix.  Just dropping in the latest
Cygwin snapshot will not work, because Cygwin's
64-bit I/O magic is resolved at link time not
runtime.

I will release a new Cygwin Python package ASAP
after Cygwin 1.5.6 is released.

BTW, doesn't it *always* work on Linux! :,)


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Comment By: Neal Norwitz (nnorwitz)
Date: 2004-01-01 12:17

Message:
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Works on Linux.  Jason, any ideas?

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