Question

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How do I determine if my python shell is executing in 32bit or 64bit mode?

I made a question earlier that never got replied to, but I have something more specific now so hopefully you can help.

Basically the SendKeys library only appears to install on my 32 bit system of Windows…

So I was wondering if there is a way of making it so this function I am going to write will only execute on a 32 bit system? I realise there is a platform.architecture() method to check the current system, but it returns the string “(’64bit’, ‘WindowsPE’)”.

I was wondering if there was a way to read the 64 bit part of this string to make this function work correctly.

For example, pseudo code:

checker = platform.architecture()
system = strip or read 64 bit from checker string somehow
if system == 64 bit
then warn system is 64 bit and won't run function
else run function

Along the line of that. Unless there is a simpler way of checking it – maybe against the version of Python used (ie 32 or 64 bit)

Hope I’ve grasped this correctly – I’m still rather new to programming. 🙂

Answer 1

Following this documentation, try this code:

is_64bits = sys.maxsize > 2**32

Note: this can return an incorrect result if 32bit Python is running on a 64bit operating system.