nestor nestornis...@gmail.com added the comment:
Fantastic. Applied the patch and it solved the problem with xlc 8.0 on
AIX 5.3.
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue6236
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egreen egr...@operamail.com added the comment:
The problem is that the fileio struct in Modules/_io/fileio.c defines
the 2-bit seekable field as int.
From the C99 standard, ยง6.7.2: for bit-fields, it is
implementation-defined whether the specifier int designates the same
type as signed int or
Changes by Sridhar Ratnakumar sridh...@activestate.com:
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nosy: +srid
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue6236
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___
Python-bugs-list
Changes by Antoine Pitrou pit...@free.fr:
--
resolution: - accepted
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue6236
___
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Python-bugs-list
Antoine Pitrou pit...@free.fr added the comment:
Thanks for the patch! Committed in r75007, r75008, r75009, r75010.
If there's any problem, please reopen.
--
resolution: accepted - fixed
status: open - closed
versions: +Python 2.6, Python 2.7, Python 3.2
nestor nestornis...@gmail.com added the comment:
Python 3.1 (r31:73572, Jul 9 2009, 16:28:28) [C] on aix5
Type help, copyright, credits or license for more information.
import sys
sys.stdout.seekable()
True
I can access the machine only through ssh.
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Antoine Pitrou pit...@free.fr added the comment:
Perhaps, although I don't know where /dev/tty would be involved in
os.popen().
For reference, under Linux I get:
open(/dev/tty,a)
Traceback (most recent call last):
File stdin, line 1, in module
IOError: [Errno 29] Illegal seek
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Amaury Forgeot d'Arc amaur...@gmail.com added the comment:
/dev/tty is probably similar to stdout, at least when python is started
without redirection.
What is the output of
sys.stdout.seekable()
when run from an interactive interpreter?
Does it depend on the active console? (xterm, ssh...)
nestor nestornis...@gmail.com added the comment:
Maybe this has something to do with it?
Python 3.1 (r31:73572, Jul 9 2009, 16:28:28) [C] on aix5
Type help, copyright, credits or license for more information.
open(/dev/tty,a).seekable()
True
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Antoine Pitrou pit...@free.fr added the comment:
Ah, then I don't know what happens...
--
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue6236
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nestor nestornis...@gmail.com added the comment:
That fails consistently:
Python 2.6.2 (r262:71600, Jun 4 2009, 16:07:26) [C] on aix5
Type help, copyright, credits or license for more information.
import os
r,w=os.pipe()
os.lseek(r,0,1)
Traceback (most recent call last):
File stdin, line
Antoine Pitrou pit...@free.fr added the comment:
Ouch, this is quite annoying. I will try to fix this before the final
release.
--
assignee: - pitrou
nosy: +pitrou
priority: - critical
___
Python tracker rep...@bugs.python.org
Antoine Pitrou pit...@free.fr added the comment:
Here is my current interpretation:
subprocess uses os.pipe() to create the file handles used for
communication. These handles normally always raise an error ([Errno 29]
Illegal seek) when trying to seek() on them, which the IO lib interprets
as
Antoine Pitrou pit...@free.fr added the comment:
Just before, could you try to type the following commands:
r, w = os.pipe()
os.lseek(r, 0, 1)
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___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue6236
nestor nestornis...@gmail.com added the comment:
This quick and dirty fix in pydoc.py makes so it no longer aborts help.
(less behaves somewhat strange for some commands but that is better than
no help at all)
def pipepager(text, cmd):
Page through text by feeding it to another program.
New submission from nestor nestornis...@gmail.com:
Python 2.6.2 (r262:71600, Jun 4 2009, 16:07:26) [C] on aix5
Type help, copyright, credits or license for more information.
import os
os.popen('cat','w')
open file 'cat', mode 'w' at 0x1101ab4f8
Python 3.0.1 (r301:69556, Jun 4 2009,
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