Python - check if a system is 32 or 64 bit to determine whether to run the function or not? [duplicate]

Answer 1

An alternative method. Definitely works on all platforms:

import struct
is_64bit = struct.calcsize('P') * 8 == 64

As a note, this is part of its.py.

Answer 2

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.