code: async def connect_service(bus_name, object_path, interface):
      
      proxy = await proxy_new_for_bus(
          Gio.BusType.SYSTEM,
          Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES |
          Gio.DBusProxyFlags.DO_NOT_CONNECT_SIGNALS,
          info=None,
          name=bus_name,
          object_path=object_path,
          interface_name=interface,
      )
      return InterfaceProxy(proxy)
docs: Connect to the service object on DBus, return InterfaceProxy.