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homekit_controller.py
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homekit_controller.py
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"""
Support for Homekit lights.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.homekit_controller/
"""
import logging
from homeassistant.components.homekit_controller import (
HomeKitEntity, KNOWN_ACCESSORIES)
from homeassistant.components.light import (
ATTR_BRIGHTNESS, ATTR_HS_COLOR, ATTR_COLOR_TEMP, SUPPORT_BRIGHTNESS,
SUPPORT_COLOR, SUPPORT_COLOR_TEMP, Light)
DEPENDENCIES = ['homekit_controller']
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up Homekit lighting."""
if discovery_info is not None:
accessory = hass.data[KNOWN_ACCESSORIES][discovery_info['serial']]
add_entities([HomeKitLight(accessory, discovery_info)], True)
class HomeKitLight(HomeKitEntity, Light):
"""Representation of a Homekit light."""
def __init__(self, *args):
"""Initialise the light."""
super().__init__(*args)
self._on = None
self._brightness = None
self._color_temperature = None
self._hue = None
self._saturation = None
def update_characteristics(self, characteristics):
"""Synchronise light state with Home Assistant."""
# pylint: disable=import-error
from homekit.model.characteristics import CharacteristicsTypes
for characteristic in characteristics:
ctype = characteristic['type']
ctype = CharacteristicsTypes.get_short(ctype)
if ctype == "on":
self._chars['on'] = characteristic['iid']
self._on = characteristic['value']
elif ctype == 'brightness':
self._chars['brightness'] = characteristic['iid']
self._features |= SUPPORT_BRIGHTNESS
self._brightness = characteristic['value']
elif ctype == 'color-temperature':
self._chars['color_temperature'] = characteristic['iid']
self._features |= SUPPORT_COLOR_TEMP
self._color_temperature = characteristic['value']
elif ctype == "hue":
self._chars['hue'] = characteristic['iid']
self._features |= SUPPORT_COLOR
self._hue = characteristic['value']
elif ctype == "saturation":
self._chars['saturation'] = characteristic['iid']
self._features |= SUPPORT_COLOR
self._saturation = characteristic['value']
@property
def is_on(self):
"""Return true if device is on."""
return self._on
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
if self._features & SUPPORT_BRIGHTNESS:
return self._brightness * 255 / 100
return None
@property
def hs_color(self):
"""Return the color property."""
if self._features & SUPPORT_COLOR:
return (self._hue, self._saturation)
return None
@property
def color_temp(self):
"""Return the color temperature."""
if self._features & SUPPORT_COLOR_TEMP:
return self._color_temperature
return None
@property
def supported_features(self):
"""Flag supported features."""
return self._features
def turn_on(self, **kwargs):
"""Turn the specified light on."""
hs_color = kwargs.get(ATTR_HS_COLOR)
temperature = kwargs.get(ATTR_COLOR_TEMP)
brightness = kwargs.get(ATTR_BRIGHTNESS)
characteristics = []
if hs_color is not None:
characteristics.append({'aid': self._aid,
'iid': self._chars['hue'],
'value': hs_color[0]})
characteristics.append({'aid': self._aid,
'iid': self._chars['saturation'],
'value': hs_color[1]})
if brightness is not None:
characteristics.append({'aid': self._aid,
'iid': self._chars['brightness'],
'value': int(brightness * 100 / 255)})
if temperature is not None:
characteristics.append({'aid': self._aid,
'iid': self._chars['color-temperature'],
'value': int(temperature)})
characteristics.append({'aid': self._aid,
'iid': self._chars['on'],
'value': True})
self.put_characteristics(characteristics)
def turn_off(self, **kwargs):
"""Turn the specified light off."""
characteristics = [{'aid': self._aid,
'iid': self._chars['on'],
'value': False}]
self.put_characteristics(characteristics)