Service component:

        optical_config_id = OpticalConfigId()

        optical_config_id.opticalconfig_uuid = device.device_id.device_uuid.uuid

        optical_config = OpticalConfig()

        setting = settings.value if settings else ""

        setting = settings.value if settings else ''

        new_config = {}

        try:

            result = self._context_client.SelectOpticalConfig(optical_config_id)

            new_config = json.loads(result.config)

            if result is not None:

                new_config = json.loads(result.config)

                new_config["new_config"] = setting

                new_config["is_opticalband"] = is_opticalband

                new_config["flow"] = flows

                result.config = str(new_config)

                result.config = json.dumps(new_config)

                optical_config.CopyFrom(result)

                self._device_client.ConfigureOpticalDevice(optical_config)

            self._store_grpc_object(CacheableObjectType.DEVICE, device_key, device)