""" Support for MQTT JSON lights. For more details about this platform, please refer to the documentation at https://home-assistant.io/components/light.mqtt_json/ """ import json import logging import voluptuous as vol from homeassistant.components import mqtt from homeassistant.components.light import ( ATTR_BRIGHTNESS, ATTR_COLOR_TEMP, ATTR_EFFECT, ATTR_FLASH, ATTR_HS_COLOR, ATTR_TRANSITION, ATTR_WHITE_VALUE, FLASH_LONG, FLASH_SHORT, SUPPORT_BRIGHTNESS, SUPPORT_COLOR, SUPPORT_COLOR_TEMP, SUPPORT_EFFECT, SUPPORT_FLASH, SUPPORT_TRANSITION, SUPPORT_WHITE_VALUE, Light) from homeassistant.components.mqtt import ( CONF_COMMAND_TOPIC, CONF_QOS, CONF_RETAIN, CONF_STATE_TOPIC, MqttAttributes, MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo, subscription) from homeassistant.const import ( CONF_BRIGHTNESS, CONF_COLOR_TEMP, CONF_DEVICE, CONF_EFFECT, CONF_NAME, CONF_OPTIMISTIC, CONF_RGB, CONF_WHITE_VALUE, CONF_XY, STATE_ON) from homeassistant.core import callback import homeassistant.helpers.config_validation as cv from homeassistant.helpers.restore_state import RestoreEntity from homeassistant.helpers.typing import ConfigType, HomeAssistantType import homeassistant.util.color as color_util from .schema_basic import CONF_BRIGHTNESS_SCALE _LOGGER = logging.getLogger(__name__) DOMAIN = 'mqtt_json' DEPENDENCIES = ['mqtt'] DEFAULT_BRIGHTNESS = False DEFAULT_COLOR_TEMP = False DEFAULT_EFFECT = False DEFAULT_FLASH_TIME_LONG = 10 DEFAULT_FLASH_TIME_SHORT = 2 DEFAULT_NAME = 'MQTT JSON Light' DEFAULT_OPTIMISTIC = False DEFAULT_RGB = False DEFAULT_WHITE_VALUE = False DEFAULT_XY = False DEFAULT_HS = False DEFAULT_BRIGHTNESS_SCALE = 255 CONF_EFFECT_LIST = 'effect_list' CONF_FLASH_TIME_LONG = 'flash_time_long' CONF_FLASH_TIME_SHORT = 'flash_time_short' CONF_HS = 'hs' CONF_UNIQUE_ID = 'unique_id' # Stealing some of these from the base MQTT configs. PLATFORM_SCHEMA_JSON = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend({ vol.Optional(CONF_BRIGHTNESS, default=DEFAULT_BRIGHTNESS): cv.boolean, vol.Optional(CONF_BRIGHTNESS_SCALE, default=DEFAULT_BRIGHTNESS_SCALE): vol.All(vol.Coerce(int), vol.Range(min=1)), vol.Optional(CONF_COLOR_TEMP, default=DEFAULT_COLOR_TEMP): cv.boolean, vol.Optional(CONF_EFFECT, default=DEFAULT_EFFECT): cv.boolean, vol.Optional(CONF_EFFECT_LIST): vol.All(cv.ensure_list, [cv.string]), vol.Optional(CONF_FLASH_TIME_SHORT, default=DEFAULT_FLASH_TIME_SHORT): cv.positive_int, vol.Optional(CONF_FLASH_TIME_LONG, default=DEFAULT_FLASH_TIME_LONG): cv.positive_int, vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string, vol.Optional(CONF_UNIQUE_ID): cv.string, vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean, vol.Optional(CONF_QOS, default=mqtt.DEFAULT_QOS): vol.All(vol.Coerce(int), vol.In([0, 1, 2])), vol.Optional(CONF_RETAIN, default=mqtt.DEFAULT_RETAIN): cv.boolean, vol.Optional(CONF_RGB, default=DEFAULT_RGB): cv.boolean, vol.Optional(CONF_STATE_TOPIC): mqtt.valid_subscribe_topic, vol.Optional(CONF_WHITE_VALUE, default=DEFAULT_WHITE_VALUE): cv.boolean, vol.Optional(CONF_XY, default=DEFAULT_XY): cv.boolean, vol.Optional(CONF_HS, default=DEFAULT_HS): cv.boolean, vol.Required(CONF_COMMAND_TOPIC): mqtt.valid_publish_topic, vol.Optional(CONF_DEVICE): mqtt.MQTT_ENTITY_DEVICE_INFO_SCHEMA, }).extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema).extend( mqtt.MQTT_JSON_ATTRS_SCHEMA.schema) async def async_setup_entity_json(hass: HomeAssistantType, config: ConfigType, async_add_entities, discovery_hash): """Set up a MQTT JSON Light.""" async_add_entities([MqttLightJson(config, discovery_hash)]) # pylint: disable=too-many-ancestors class MqttLightJson(MqttAttributes, MqttAvailability, MqttDiscoveryUpdate, MqttEntityDeviceInfo, Light, RestoreEntity): """Representation of a MQTT JSON light.""" def __init__(self, config, discovery_hash): """Initialize MQTT JSON light.""" self._state = False self._sub_state = None self._supported_features = 0 self._topic = None self._optimistic = False self._brightness = None self._color_temp = None self._effect = None self._hs = None self._white_value = None self._flash_times = None self._unique_id = config.get(CONF_UNIQUE_ID) # Load config self._setup_from_config(config) device_config = config.get(CONF_DEVICE) MqttAttributes.__init__(self, config) MqttAvailability.__init__(self, config) MqttDiscoveryUpdate.__init__(self, discovery_hash, self.discovery_update) MqttEntityDeviceInfo.__init__(self, device_config) async def async_added_to_hass(self): """Subscribe to MQTT events.""" await super().async_added_to_hass() await self._subscribe_topics() async def discovery_update(self, discovery_payload): """Handle updated discovery message.""" config = PLATFORM_SCHEMA_JSON(discovery_payload) self._setup_from_config(config) await self.attributes_discovery_update(config) await self.availability_discovery_update(config) await self._subscribe_topics() self.async_schedule_update_ha_state() def _setup_from_config(self, config): """(Re)Setup the entity.""" self._config = config self._topic = { key: config.get(key) for key in ( CONF_STATE_TOPIC, CONF_COMMAND_TOPIC ) } optimistic = config.get(CONF_OPTIMISTIC) self._optimistic = optimistic or self._topic[CONF_STATE_TOPIC] is None brightness = config.get(CONF_BRIGHTNESS) if brightness: self._brightness = 255 else: self._brightness = None color_temp = config.get(CONF_COLOR_TEMP) if color_temp: self._color_temp = 150 else: self._color_temp = None effect = config.get(CONF_EFFECT) if effect: self._effect = 'none' else: self._effect = None white_value = config.get(CONF_WHITE_VALUE) if white_value: self._white_value = 255 else: self._white_value = None if config.get(CONF_HS) or config.get(CONF_RGB) or config.get(CONF_XY): self._hs = [0, 0] else: self._hs = None self._flash_times = { key: config.get(key) for key in ( CONF_FLASH_TIME_SHORT, CONF_FLASH_TIME_LONG ) } self._supported_features = (SUPPORT_TRANSITION | SUPPORT_FLASH) self._supported_features |= (config.get(CONF_RGB) and SUPPORT_COLOR) self._supported_features |= (brightness and SUPPORT_BRIGHTNESS) self._supported_features |= (color_temp and SUPPORT_COLOR_TEMP) self._supported_features |= (effect and SUPPORT_EFFECT) self._supported_features |= (white_value and SUPPORT_WHITE_VALUE) self._supported_features |= (config.get(CONF_XY) and SUPPORT_COLOR) self._supported_features |= (config.get(CONF_HS) and SUPPORT_COLOR) async def _subscribe_topics(self): """(Re)Subscribe to topics.""" last_state = await self.async_get_last_state() @callback def state_received(topic, payload, qos): """Handle new MQTT messages.""" values = json.loads(payload) if values['state'] == 'ON': self._state = True elif values['state'] == 'OFF': self._state = False if self._hs is not None: try: red = int(values['color']['r']) green = int(values['color']['g']) blue = int(values['color']['b']) self._hs = color_util.color_RGB_to_hs(red, green, blue) except KeyError: pass except ValueError: _LOGGER.warning("Invalid RGB color value received") try: x_color = float(values['color']['x']) y_color = float(values['color']['y']) self._hs = color_util.color_xy_to_hs(x_color, y_color) except KeyError: pass except ValueError: _LOGGER.warning("Invalid XY color value received") try: hue = float(values['color']['h']) saturation = float(values['color']['s']) self._hs = (hue, saturation) except KeyError: pass except ValueError: _LOGGER.warning("Invalid HS color value received") if self._brightness is not None: try: self._brightness = int( values['brightness'] / float(self._config.get(CONF_BRIGHTNESS_SCALE)) * 255) except KeyError: pass except ValueError: _LOGGER.warning("Invalid brightness value received") if self._color_temp is not None: try: self._color_temp = int(values['color_temp']) except KeyError: pass except ValueError: _LOGGER.warning("Invalid color temp value received") if self._effect is not None: try: self._effect = values['effect'] except KeyError: pass except ValueError: _LOGGER.warning("Invalid effect value received") if self._white_value is not None: try: self._white_value = int(values['white_value']) except KeyError: pass except ValueError: _LOGGER.warning("Invalid white value received") self.async_schedule_update_ha_state() if self._topic[CONF_STATE_TOPIC] is not None: self._sub_state = await subscription.async_subscribe_topics( self.hass, self._sub_state, {'state_topic': {'topic': self._topic[CONF_STATE_TOPIC], 'msg_callback': state_received, 'qos': self._config.get(CONF_QOS)}}) if self._optimistic and last_state: self._state = last_state.state == STATE_ON if last_state.attributes.get(ATTR_BRIGHTNESS): self._brightness = last_state.attributes.get(ATTR_BRIGHTNESS) if last_state.attributes.get(ATTR_HS_COLOR): self._hs = last_state.attributes.get(ATTR_HS_COLOR) if last_state.attributes.get(ATTR_COLOR_TEMP): self._color_temp = last_state.attributes.get(ATTR_COLOR_TEMP) if last_state.attributes.get(ATTR_EFFECT): self._effect = last_state.attributes.get(ATTR_EFFECT) if last_state.attributes.get(ATTR_WHITE_VALUE): self._white_value = last_state.attributes.get(ATTR_WHITE_VALUE) async def async_will_remove_from_hass(self): """Unsubscribe when removed.""" self._sub_state = await subscription.async_unsubscribe_topics( self.hass, self._sub_state) await MqttAttributes.async_will_remove_from_hass(self) await MqttAvailability.async_will_remove_from_hass(self) @property def brightness(self): """Return the brightness of this light between 0..255.""" return self._brightness @property def color_temp(self): """Return the color temperature in mired.""" return self._color_temp @property def effect(self): """Return the current effect.""" return self._effect @property def effect_list(self): """Return the list of supported effects.""" return self._config.get(CONF_EFFECT_LIST) @property def hs_color(self): """Return the hs color value.""" return self._hs @property def white_value(self): """Return the white property.""" return self._white_value @property def should_poll(self): """No polling needed for a MQTT light.""" return False @property def name(self): """Return the name of the device if any.""" return self._config.get(CONF_NAME) @property def unique_id(self): """Return a unique ID.""" return self._unique_id @property def is_on(self): """Return true if device is on.""" return self._state @property def assumed_state(self): """Return true if we do optimistic updates.""" return self._optimistic @property def supported_features(self): """Flag supported features.""" return self._supported_features async def async_turn_on(self, **kwargs): """Turn the device on. This method is a coroutine. """ should_update = False message = {'state': 'ON'} if ATTR_HS_COLOR in kwargs and ( self._config.get(CONF_HS) or self._config.get(CONF_RGB) or self._config.get(CONF_XY)): hs_color = kwargs[ATTR_HS_COLOR] message['color'] = {} if self._config.get(CONF_RGB): # If there's a brightness topic set, we don't want to scale the # RGB values given using the brightness. if self._brightness is not None: brightness = 255 else: brightness = kwargs.get( ATTR_BRIGHTNESS, self._brightness if self._brightness else 255) rgb = color_util.color_hsv_to_RGB( hs_color[0], hs_color[1], brightness / 255 * 100) message['color']['r'] = rgb[0] message['color']['g'] = rgb[1] message['color']['b'] = rgb[2] if self._config.get(CONF_XY): xy_color = color_util.color_hs_to_xy(*kwargs[ATTR_HS_COLOR]) message['color']['x'] = xy_color[0] message['color']['y'] = xy_color[1] if self._config.get(CONF_HS): message['color']['h'] = hs_color[0] message['color']['s'] = hs_color[1] if self._optimistic: self._hs = kwargs[ATTR_HS_COLOR] should_update = True if ATTR_FLASH in kwargs: flash = kwargs.get(ATTR_FLASH) if flash == FLASH_LONG: message['flash'] = self._flash_times[CONF_FLASH_TIME_LONG] elif flash == FLASH_SHORT: message['flash'] = self._flash_times[CONF_FLASH_TIME_SHORT] if ATTR_TRANSITION in kwargs: message['transition'] = int(kwargs[ATTR_TRANSITION]) if ATTR_BRIGHTNESS in kwargs: message['brightness'] = int( kwargs[ATTR_BRIGHTNESS] / float(DEFAULT_BRIGHTNESS_SCALE) * self._config.get(CONF_BRIGHTNESS_SCALE)) if self._optimistic: self._brightness = kwargs[ATTR_BRIGHTNESS] should_update = True if ATTR_COLOR_TEMP in kwargs: message['color_temp'] = int(kwargs[ATTR_COLOR_TEMP]) if self._optimistic: self._color_temp = kwargs[ATTR_COLOR_TEMP] should_update = True if ATTR_EFFECT in kwargs: message['effect'] = kwargs[ATTR_EFFECT] if self._optimistic: self._effect = kwargs[ATTR_EFFECT] should_update = True if ATTR_WHITE_VALUE in kwargs: message['white_value'] = int(kwargs[ATTR_WHITE_VALUE]) if self._optimistic: self._white_value = kwargs[ATTR_WHITE_VALUE] should_update = True mqtt.async_publish( self.hass, self._topic[CONF_COMMAND_TOPIC], json.dumps(message), self._config.get(CONF_QOS), self._config.get(CONF_RETAIN)) if self._optimistic: # Optimistically assume that the light has changed state. self._state = True should_update = True if should_update: self.async_schedule_update_ha_state() async def async_turn_off(self, **kwargs): """Turn the device off. This method is a coroutine. """ message = {'state': 'OFF'} if ATTR_TRANSITION in kwargs: message['transition'] = int(kwargs[ATTR_TRANSITION]) mqtt.async_publish( self.hass, self._topic[CONF_COMMAND_TOPIC], json.dumps(message), self._config.get(CONF_QOS), self._config.get(CONF_RETAIN)) if self._optimistic: # Optimistically assume that the light has changed state. self._state = False self.async_schedule_update_ha_state()