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| """is64bit.Python() --> boolean value of detected Python word size. is64bit.os() --> os build version""" | |
| import sys | |
| def Python(): | |
| if sys.platform == "cli": # IronPython | |
| import System | |
| return System.IntPtr.Size == 8 | |
| else: | |
| try: | |
| return sys.maxsize > 2147483647 | |
| except AttributeError: | |
| return sys.maxint > 2147483647 | |
| def os(): | |
| import platform | |
| pm = platform.machine() | |
| if pm != ".." and pm.endswith("64"): # recent Python (not Iron) | |
| return True | |
| else: | |
| import os | |
| if "PROCESSOR_ARCHITEW6432" in os.environ: | |
| return True # 32 bit program running on 64 bit Windows | |
| try: | |
| return os.environ["PROCESSOR_ARCHITECTURE"].endswith( | |
| "64" | |
| ) # 64 bit Windows 64 bit program | |
| except (IndexError, KeyError): | |
| pass # not Windows | |
| try: | |
| return "64" in platform.architecture()[0] # this often works in Linux | |
| except: | |
| return False # is an older version of Python, assume also an older os (best we can guess) | |
| if __name__ == "__main__": | |
| print("is64bit.Python() =", Python(), "is64bit.os() =", os()) | |