""" Support for Osram Lightify. For more details about this platform, please refer to the documentation at https://home-assistant.io/components/light.osramlightify/ """ import logging import socket import random from datetime import timedelta import voluptuous as vol from homeassistant import util from homeassistant.const import CONF_HOST from homeassistant.components.light import ( Light, ATTR_BRIGHTNESS, ATTR_COLOR_TEMP, ATTR_EFFECT, ATTR_RGB_COLOR, ATTR_TRANSITION, EFFECT_RANDOM, SUPPORT_BRIGHTNESS, SUPPORT_EFFECT, SUPPORT_COLOR_TEMP, SUPPORT_RGB_COLOR, SUPPORT_TRANSITION, PLATFORM_SCHEMA) import homeassistant.helpers.config_validation as cv REQUIREMENTS = ['https://github.com/tfriedel/python-lightify/archive/' 'd6eadcf311e6e21746182d1480e97b350dda2b3e.zip#lightify==1.0.4'] _LOGGER = logging.getLogger(__name__) TEMP_MIN = 2000 # lightify minimum temperature TEMP_MAX = 6500 # lightify maximum temperature TEMP_MIN_HASS = 154 # home assistant minimum temperature TEMP_MAX_HASS = 500 # home assistant maximum temperature MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10) MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(milliseconds=100) SUPPORT_OSRAMLIGHTIFY = (SUPPORT_BRIGHTNESS | SUPPORT_COLOR_TEMP | SUPPORT_EFFECT | SUPPORT_RGB_COLOR | SUPPORT_TRANSITION) PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({ vol.Required(CONF_HOST): cv.string, }) def setup_platform(hass, config, add_devices, discovery_info=None): """Setup the Osram Lightify lights.""" import lightify host = config.get(CONF_HOST) if host: try: bridge = lightify.Lightify(host) except socket.error as err: msg = 'Error connecting to bridge: {} due to: {}'.format(host, str(err)) _LOGGER.exception(msg) return False setup_bridge(bridge, add_devices) else: _LOGGER.error('No host found in configuration') return False def setup_bridge(bridge, add_devices_callback): """Setup the Lightify bridge.""" lights = {} @util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS) def update_lights(): """Update the lights objects with latest info from bridge.""" bridge.update_all_light_status() new_lights = [] for (light_id, light) in bridge.lights().items(): if light_id not in lights: osram_light = OsramLightifyLight(light_id, light, update_lights) lights[light_id] = osram_light new_lights.append(osram_light) else: lights[light_id].light = light if new_lights: add_devices_callback(new_lights) update_lights() class OsramLightifyLight(Light): """Representation of an Osram Lightify Light.""" def __init__(self, light_id, light, update_lights): """Initialize the light.""" self._light = light self._light_id = light_id self.update_lights = update_lights self._brightness = 0 self._rgb = (0, 0, 0) self._name = "" self._temperature = TEMP_MIN self._state = False self.update() @property def name(self): """Return the name of the device if any.""" return self._name @property def rgb_color(self): """Last RGB color value set.""" _LOGGER.debug("rgb_color light state for light: %s is: %s %s %s ", self._name, self._rgb[0], self._rgb[1], self._rgb[2]) return self._rgb @property def color_temp(self): """Return the color temperature.""" return self._temperature @property def brightness(self): """Brightness of this light between 0..255.""" _LOGGER.debug("brightness for light %s is: %s", self._name, self._brightness) return self._brightness @property def is_on(self): """Update Status to True if device is on.""" _LOGGER.debug("is_on light state for light: %s is: %s", self._name, self._state) return self._state @property def supported_features(self): """Flag supported features.""" return SUPPORT_OSRAMLIGHTIFY def turn_on(self, **kwargs): """Turn the device on.""" _LOGGER.debug("turn_on Attempting to turn on light: %s ", self._name) self._light.set_onoff(1) self._state = self._light.on() if ATTR_TRANSITION in kwargs: transition = kwargs[ATTR_TRANSITION] * 10 _LOGGER.debug("turn_on requested transition time for light:" " %s is: %s ", self._name, transition) else: transition = 0 _LOGGER.debug("turn_on requested transition time for light:" " %s is: %s ", self._name, transition) if ATTR_RGB_COLOR in kwargs: red, green, blue = kwargs[ATTR_RGB_COLOR] _LOGGER.debug("turn_on requested ATTR_RGB_COLOR for light:" " %s is: %s %s %s ", self._name, red, green, blue) self._light.set_rgb(red, green, blue, transition) if ATTR_COLOR_TEMP in kwargs: color_t = kwargs[ATTR_COLOR_TEMP] kelvin = int(((TEMP_MAX - TEMP_MIN) * (color_t - TEMP_MIN_HASS) / (TEMP_MAX_HASS - TEMP_MIN_HASS)) + TEMP_MIN) _LOGGER.debug("turn_on requested set_temperature for light:" " %s: %s ", self._name, kelvin) self._light.set_temperature(kelvin, transition) if ATTR_BRIGHTNESS in kwargs: self._brightness = kwargs[ATTR_BRIGHTNESS] _LOGGER.debug("turn_on requested brightness for light: %s is: %s ", self._name, self._brightness) self._brightness = self._light.set_luminance( int(self._brightness / 2.55), transition) if ATTR_EFFECT in kwargs: effect = kwargs.get(ATTR_EFFECT) if effect == EFFECT_RANDOM: self._light.set_rgb(random.randrange(0, 255), random.randrange(0, 255), random.randrange(0, 255), transition) _LOGGER.debug("turn_on requested random effect for light:" " %s with transition %s ", self._name, transition) self.schedule_update_ha_state() def turn_off(self, **kwargs): """Turn the device off.""" _LOGGER.debug("turn_off Attempting to turn off light: %s ", self._name) if ATTR_TRANSITION in kwargs: transition = kwargs[ATTR_TRANSITION] * 10 _LOGGER.debug("turn_off requested transition time for light:" " %s is: %s ", self._name, transition) self._light.set_luminance(0, transition) else: transition = 0 _LOGGER.debug("turn_off requested transition time for light:" " %s is: %s ", self._name, transition) self._light.set_onoff(0) self._state = self._light.on() self.schedule_update_ha_state() def update(self): """Synchronize state with bridge.""" self.update_lights(no_throttle=True) self._brightness = int(self._light.lum() * 2.55) self._name = self._light.name() self._rgb = self._light.rgb() o_temp = self._light.temp() self._temperature = int(TEMP_MIN_HASS + (TEMP_MAX_HASS - TEMP_MIN_HASS) * (o_temp - TEMP_MIN) / (TEMP_MAX - TEMP_MIN)) self._state = self._light.on()