core/homeassistant/components/light/osramlightify.py

224 lines
7.9 KiB
Python

"""
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()