platform.py 文件源码

def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, None)) or
               release)

    # getwindowsversion() reflect the compatibility mode Python is
    # running under, and so the service pack value is only going to be
    # valid if the versions match.
    if winver[:2] == (maj, min):
        try:
            csd = 'SP{}'.format(winver.service_pack_major)
        except AttributeError:
            if csd[:13] == 'Service Pack ':
                csd = 'SP' + csd[13:]

    # VER_NT_SERVER = 3
    if getattr(winver, 'product_type', None) == 3:
        release = (_WIN32_SERVER_RELEASES.get((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype