codekingpro/portable-devtools

1"""is64bit.Python() --> boolean value of detected Python word size. is64bit.os() --> os build version"""
2import sys
3
4
5def Python():
6    if sys.platform == "cli":  # IronPython
7        import System
8
9        return System.IntPtr.Size == 8
10    else:
11        try:
12            return sys.maxsize > 2147483647
13        except AttributeError:
14            return sys.maxint > 2147483647
15
16
17def os():
18    import platform
19
20    pm = platform.machine()
21    if pm != ".." and pm.endswith("64"):  # recent Python (not Iron)
22        return True
23    else:
24        import os
25
26        if "PROCESSOR_ARCHITEW6432" in os.environ:
27            return True  # 32 bit program running on 64 bit Windows
28        try:
29            return os.environ["PROCESSOR_ARCHITECTURE"].endswith(
30                "64"
31            )  # 64 bit Windows 64 bit program
32        except (IndexError, KeyError):
33            pass  # not Windows
34        try:
35            return "64" in platform.architecture()[0]  # this often works in Linux
36        except:
37            return False  # is an older version of Python, assume also an older os (best we can guess)
38
39
40if __name__ == "__main__":
41    print("is64bit.Python() =", Python(), "is64bit.os() =", os())
42