get_windows_ver.py

import ctypes

def get_windows_edition():
    """Return 'Home', 'Pro' or 'Server'."""
    class OSV(ctypes.Structure):
        _fields_ = [
            ("size", ctypes.c_ulong),
            ("major", ctypes.c_ulong),
            ("minor", ctypes.c_ulong),
            ("build", ctypes.c_ulong),
            ("platform", ctypes.c_ulong),
            ("sp", ctypes.c_wchar * 128),
            ("sp_major", ctypes.c_ushort),
            ("sp_minor", ctypes.c_ushort),
            ("suite", ctypes.c_ushort),
            ("product", ctypes.c_byte),
            ("reserved", ctypes.c_byte),
        ]
    osv = OSV()
    osv.size = ctypes.sizeof(OSV)
    ctypes.WinDLL("ntdll").RtlGetVersion(ctypes.byref(osv))

    if osv.product == 1:                       # workstation
        return "Home" if (osv.suite & 0x2) else "Pro"
    return "Server"

# Example
if __name__ == "__main__":
    print("Windows edition:", get_windows_edition())