[python-win32] How do I detect a 64 bit version of Windows?

Brian Curtin brian at python.org
Sun Feb 19 08:20:47 CET 2012


On Sat, Feb 18, 2012 at 21:11, Gelonida N <gelonida at gmail.com> wrote:
> On 02/18/2012 09:07 PM, Brian Curtin wrote:
>> On Sat, Feb 18, 2012 at 13:22, Gremlin <gremlin at armarize.com> wrote:
>>
>> import platform
>> platform.machine()
>>
>> That will return "AMD64" on 64 bit. I don't have a 32-bit machine
>> available but I believe it returns "x86".
> This suggestion will not work for the OP.
>
> It will tell you the platform, for which python was compiled and not the
> real platform of the machine you're running on.
>
> If you installed a 32 bit version of python on a 64 bit machine You will
> get 'x86', which would be the wrong answer considering the OP's
> requirements.

This is false.

platform.machine() is about the the computer itself - I fixed it in
2.6 to function properly, as it used to operate similar to
platform.architecture() due to looking in the wrong place.
platform.architecture() is about how Python was compiled.


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