def listen_tcp(portrange, host, factory):
 assert (len(portrange) <= 2), ('invalid portrange: %s' % portrange)
 if (not hasattr(portrange, '__iter__')):
  return reactor.listenTCP(portrange, factory, interface=host)
 if (not portrange):
  return reactor.listenTCP(0, factory, interface=host)
 if (len(portrange) == 1):
  return reactor.listenTCP(portrange[0], factory, interface=host)
 for x in range(portrange[0], (portrange[1] + 1)):
  try:
   return reactor.listenTCP(x, factory, interface=host)
  except error.CannotListenError:
   if (x == portrange[1]):
    raise

def listen_tcp ( portrange , host , factory ) : assert ( len ( portrange ) <= 2 ) , ( 'invalid portrange: %s' % portrange ) if ( not hasattr ( portrange , '__iter__' ) ) : return reactor . listenTCP ( portrange , factory , interface = host ) if ( not portrange ) : return reactor . listenTCP ( 0 , factory , interface = host ) if ( len ( portrange ) == 1 ) : return reactor . listenTCP ( portrange [ 0 ] , factory , interface = host ) for x in range ( portrange [ 0 ] , ( portrange [ 1 ] + 1 ) ) : try : return reactor . listenTCP ( x , factory , interface = host ) except error . CannotListenError : if ( x == portrange [ 1 ] ) : raise
like reactor .