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List: pykde
Subject: Re: [PyQt] Snow Leopard
From: William Kyngesburye <woklist () kyngchaos ! com>
Date: 2009-09-28 20:20:08
Message-ID: 049FC52B-EC4B-4085-8DA9-510520B60416 () kyngchaos ! com
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Ah, this verification from the python man page:
"
Note that the preference files and environment variable that apply to
the python command, do not apply when running a specific version of
Python. In particular, running python2.6 will always default to 64-
bit execution (unless one uses the arch(1) command to specifically
select a 32-bit architecture).
"
Since the system will execute a program with the default arch for the
system, python must fork/spawn/whatever to reexecute with the 32bit
arch.
I remember another problem I ran into, with wxpython. Since it needs
pythonw, a program started with python must re-execute with pythonw.
This caused a program (GRASS wxpython GUI) to quietly die (even when
forced to run in 32bit mode). We never had a problem with it before
Snow. I ripped out the reexecute code and made it start with pythonw
directly, with no problem.
Maybe reexecuting (in 32bit mode, from 64bit mode) is a problem now?
On Sep 28, 2009, at 10:59 AM, Michael Held wrote:
> hey william,
>
> thanks for your hints, you are right:
>
> /usr/bin/python responds to VERSIONER_PYTHON_PREFER_32_BIT and
> VERSIONER_PYTHON_VERSION, but NOT to 'arch -i386'
>
> /usr/bin/python2.6 OR /System/Library/Frameworks/Python.framework/
> Versions/2.6/bin/python responds to 'arch -i386' but NOT to
> VERSIONER_PYTHON_PREFER_32_BIT
>
> I "convinced" PyDev to use Apples Python in 32bit (by adding /usr/
> bin/python as interpreter) and forced PyQt4 to the PYTHONPATH of my
> Eclipse project.
> and again - CRASH.
> I add the somewhat meaningless Apple traceback here. maybe it's
> helpful for the core PyQt guys.
>
> thanks a lot!
> michael
>
-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/
"Oh, look, I seem to have fallen down a deep, dark hole. Now what
does that remind me of? Ah, yes - life."
- Marvin
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