[Pythonmac-SIG] machine architecture 32/64 with Python 2.6 on Snow Leopard?

[Bill Janssen]

I think I'm just going to put '32bit' or '64bit' in my installer name strings.

Bill

emoy at apple.com wrote:

> On Sep 18, 2009, at 5:05 PM, Bill Janssen wrote:
> 
> > William Kyngesburye <woklist at kyngchaos.com> wrote:
> >
> >> If you run the CLI 'uname -m' on any Intel Mac, it always has
> >> returned
> >> i386.  So all it really means is 'Intel'.
> >>
> >> On Sep 18, 2009, at 5:53 PM, Bill Janssen wrote:
> >>
> >>> I'm running /usr/bin/python on SL, and
> >>>
> >>>   import platform; print platform.machine()
> >>>
> >>> give me
> >>>
> >>>   i386
> >>>
> >>> But Activity Monitor shows Python as "Intel (64-bit)".
> >>>
> >>> Is this a bug in platform.machine(), or am I misunderstanding what
> >>> i386
> >>> means?  "platform.architecture()" returns ('64bit', '').
> >
> > Hmmm.  So what's the pythonic way of getting i386 vs. x86_64?
> >
> > {'32bit': 'i386', '64bit': 'x86_64'}[platform.architecture()[0]]
> >
> > seems so complicated that there should be a routine for it in sys or
> > platform.
> 
> I don't know the "official" way, but what I do is:
> 
> % python -c 'import sys;print sys.maxint'
> 9223372036854775807
> % env VERSIONER_PYTHON_PREFER_32_BIT=1 python -c 'import sys;print
> sys.maxint'
> 2147483647
> 
> So I would look at sys.maxint to determine if python is running 32 or
> 64-bit.
> 
> Ed