env_info.py 文件源码

def win32_version():
    import ctypes
    class OSVERSIONINFOEXW(ctypes.Structure):
        _fields_ = [('dwOSVersionInfoSize', ctypes.c_ulong),
                    ('dwMajorVersion', ctypes.c_ulong),
                    ('dwMinorVersion', ctypes.c_ulong),
                    ('dwBuildNumber', ctypes.c_ulong),
                    ('dwPlatformId', ctypes.c_ulong),
                    ('szCSDVersion', ctypes.c_wchar*128),
                    ('wServicePackMajor', ctypes.c_ushort),
                    ('wServicePackMinor', ctypes.c_ushort),
                    ('wSuiteMask', ctypes.c_ushort),
                    ('wProductType', ctypes.c_byte),
                    ('wReserved', ctypes.c_byte)]
    """
    Get's the OS major and minor versions.  Returns a tuple of
    (OS_MAJOR, OS_MINOR).
    """
    os_version = OSVERSIONINFOEXW()
    os_version.dwOSVersionInfoSize = ctypes.sizeof(os_version)
    retcode = ctypes.windll.Ntdll.RtlGetVersion(ctypes.byref(os_version))
    if retcode != 0:
        raise Exception("Failed to get OS version")

    return os_version.dwMajorVersion