455 def _syscmd_ver(system='', release='', version='',  argument
470         return system, release, version
487         return system, release, version
493         system, release, version = m.groups()
502     return system, release, version
668 def system_alias(system, release, version):  argument
677     if system == 'Rhapsody':
680         return 'MacOS X Server', system+release, version
682     elif system == 'SunOS':
686             return system, release, version
699             system = 'Solaris'
702             system = 'Solaris'
704     elif system == 'IRIX64':
708         system = 'IRIX'
714     elif system in ('win32', 'win16'):
716         system = 'Windows'
718     return system, release, version
945         system, node, release, version, machine = os.uname()
949     if no_os_uname or not list(filter(None, (system, node, release, version, machine))):
953             system = sys.platform
962         if system == 'win32':
982             system, release, version = _syscmd_ver(system)
985             if system == 'Microsoft Windows':
986                 system = 'Windows'
987             elif system == 'Microsoft' and release == 'Windows':
992                 system = 'Windows'
1000         if system in ('win32', 'win16'):
1002                 if system == 'win32':
1006             system = 'Windows'
1008         elif system[:4] == 'java':
1010             system = 'Java'
1016     if system == 'OpenVMS':
1037     if system == 'unknown':
1038         system = ''
1051     if system == 'Microsoft' and release == 'Windows':
1052         system = 'Windows'
1055     _uname_cache = uname_result(system, node, release, version,
1061 def system():  function
1068     return uname().system
1359     system, node, release, version, machine, processor = uname()
1363         system, release, version = system_alias(system, release, version)
1365     if system == 'Windows':
1369             platform = _platform(system, release)
1371             platform = _platform(system, release, version, csd)
1373     elif system in ('Linux',):
1385             platform = _platform(system, release, machine, processor,
1391             platform = _platform(system, release, machine, processor,
1394     elif system == 'Java':
1398             platform = _platform(system, release, version)
1400             platform = _platform(system, release, version,
1404     elif system == 'MacOS':
1407             platform = _platform(system, release)
1409             platform = _platform(system, release, machine)
1414             platform = _platform(system, release)
1417             platform = _platform(system, release, machine,