def get_dbus_property(x, prop):

    def do_get_dbus_property(x, prop):

        # At first cover additional settings and return a proper dbus type.

        # Cover additional settings and return a proper dbus type.

        # Then return the result of the call to get_dbus_property of the

        # parent class.

        if prop == "myownsetting":

        if prop == "myownsetting":

            return dbus.String(x.get_property(x, prop))

            return dbus.String(x.get_property(x, prop))

        return super(Role, x).get_dbus_property(x, prop)

    if hasattr(dbus.service, "property"):

        # property support in dbus.service

        @dbus.service.property(DBUS_INTERFACE_ROLE_INSTANCE, signature='s')

        @dbus_handle_exceptions

        def myownsetting(self):

            return self.get_dbus_property(self, "myownsetting")