wmi.py 文件源码

def derivation (self):
    """Return a tuple representing the object derivation for
    this object, with the most specific object first::

      pp0 = wmi.WMI ().Win32_ParallelPort ()[0]
      print ' <- '.join (pp0.derivation ())
    """
    try:
      return self.ole_object.Derivation_
    except pywintypes.com_error:
      handle_com_error ()