code: def set_mrl(self, mrl, *options):
          
          m = self.get_instance().media_new(mrl, *options)
          self.set_media(m)
          return m
docs: Set the MRL to play.
  
          Warning: most audio and video options, such as text renderer,
          have no effects on an individual media. These options must be
          set at the vlc.Instance or vlc.MediaPlayer instanciation.
  
          @param mrl: The MRL
          @param options: optional media option=value strings
          @return: the Media object