wmi.py 文件源码

def __init__ (self, ole_object, method_name):
    """
    :param ole_object: The WMI class/instance whose method is to be called
    :param method_name: The name of the method to be called
    """
    try:
      self.ole_object = Dispatch (ole_object)
      self.method = ole_object.Methods_ (method_name)
      self.qualifiers = {}
      for q in self.method.Qualifiers_:
        self.qualifiers[q.Name] = q.Value
      self.provenance = "\n".join (self.qualifiers.get ("MappingStrings", []))

      self.in_parameters = self.method.InParameters
      self.out_parameters = self.method.OutParameters
      if self.in_parameters is None:
        self.in_parameter_names = []
      else:
        self.in_parameter_names = [(i.Name, i.IsArray) for i in self.in_parameters.Properties_]
      if self.out_parameters is None:
        self.out_parameter_names = []
      else:
        self.out_parameter_names = [(i.Name, i.IsArray) for i in self.out_parameters.Properties_]

      doc = "%s (%s) => (%s)" % (
        method_name,
        ", ".join ([name + ("", "[]")[is_array] for (name, is_array) in self.in_parameter_names]),
        ", ".join ([name + ("", "[]")[is_array] for (name, is_array) in self.out_parameter_names])
      )
      privileges = self.qualifiers.get ("Privileges", [])
      if privileges:
        doc += " | Needs: " + ", ".join (privileges)
      self.__doc__ = doc
    except pywintypes.com_error:
      handle_com_error ()