Bugs item #1126208, was opened at 2005-02-17 21:33
Message generated for change (Comment added) made by astrand
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Category: Python Library
Group: None
>Status: Closed
>Resolution: Duplicate
Priority: 5
Private: No
Submitted By: Kurt B. Kaiser (kbk)
Assigned to: Peter Åstrand (astrand)
Summary: subprocess.py Errors with IDLE
Initial Comment:
=====================
From: David S. <davidschein <at> alumni.tufts.edu>
Subject: subprocess problem on Windows in IDLE and PythonWin
Newsgroups: gmane.comp.python.general
Date: Wed, 16 Feb 2005 02:05:24 +0000
Python 2.4 on Windows XP
In the python command-line the following works fine:
>>> from subprocess import *
>>> p = Popen('dir', stdout=PIPE)
>From within IDLE or PythonWin I get the following exception:
Traceback (most recent call last):
File "<pyshell#13>", line 1, in -toplevel-
p = Popen('dir', stdout=PIPE)
File "c:\python24\lib\subprocess.py", line 545, in __init__
(p2cread, p2cwrite,
File "c:\python24\lib\subprocess.py", line 605, in _get_handles
p2cread = self._make_inheritable(p2cread)
File "c:\python24\lib\subprocess.py", line 646, in
_make_inheritable
DUPLICATE_SAME_ACCESS)
TypeError: an integer is required
Note it works fine on Linux also. I tested it with
>>> p = Popen('ls', stdout=PIPE)
... and had no trouble.
===========
I (KBK) can duplicate this on W2K using 2.4. If I run IDLE with the -n
switch (no subprocess) the error doesn't occur.
Unfortunately, I can't debug it because I don't have the necessary
tools on Windows. It appears that the problem is in
_subprocess.c:sp_DuplicateHandle(), likely that PyArg_ParseTuple()
is OK but the failure occurs in the call to DuplicateHandle().
All the args to sp_DuplicateHandle() seem to be the right type.
DUPLICATE_SAME_ACCESS is an integer, value 2
To find out what's going on, it would seem necessary to attach a
windows debugger to IDLE's subprocess (not the IDLE GUI). Let
me know if I can help.
----------------------------------------------------------------------
>Comment By: Peter Åstrand (astrand)
Date: 2007-01-22 20:30
Message:
Logged In: YES
user_id=344921
Originator: NO
Duplicate of 1124861.
----------------------------------------------------------------------
Comment By: Steven Bethard (bediviere)
Date: 2005-09-26 16:51
Message:
Logged In: YES
user_id=945502
I believe this is related to 1124861 (if it's not a
duplicate of it)
----------------------------------------------------------------------
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