core/homeassistant/components/light/zha.py

132 lines
4.2 KiB
Python

"""
Lights on Zigbee Home Automation networks.
For more details on this platform, please refer to the documentation
at https://home-assistant.io/components/light.zha/
"""
import asyncio
import logging
from homeassistant.components import light, zha
from homeassistant.util.color import color_RGB_to_xy
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['zha']
@asyncio.coroutine
def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
"""Set up Zigbee Home Automation lights."""
discovery_info = zha.get_discovery_info(hass, discovery_info)
if discovery_info is None:
return
endpoint = discovery_info['endpoint']
try:
primaries = yield from endpoint.light_color['num_primaries']
discovery_info['num_primaries'] = primaries
except (AttributeError, KeyError):
pass
async_add_devices([Light(**discovery_info)])
class Light(zha.Entity, light.Light):
"""ZHA or ZLL light."""
_domain = light.DOMAIN
def __init__(self, **kwargs):
"""Initialize ZHA light."""
super().__init__(**kwargs)
self._supported_features = 0
self._color_temp = None
self._xy_color = None
self._brightness = None
import bellows.zigbee.zcl.clusters as zcl_clusters
if zcl_clusters.general.LevelControl.cluster_id in self._clusters:
self._supported_features |= light.SUPPORT_BRIGHTNESS
self._brightness = 0
if zcl_clusters.lighting.Color.cluster_id in self._clusters:
# Not sure all color lights necessarily support this directly
# Should we emulate it?
self._supported_features |= light.SUPPORT_COLOR_TEMP
# Silly heuristic, not sure if it works widely
if kwargs.get('num_primaries', 1) >= 3:
self._supported_features |= light.SUPPORT_XY_COLOR
self._supported_features |= light.SUPPORT_RGB_COLOR
self._xy_color = (1.0, 1.0)
@property
def is_on(self) -> bool:
"""Return True if entity is on."""
if self._state == 'unknown':
return False
return bool(self._state)
@asyncio.coroutine
def async_turn_on(self, **kwargs):
"""Turn the entity on."""
duration = 5 # tenths of s
if light.ATTR_COLOR_TEMP in kwargs:
temperature = kwargs[light.ATTR_COLOR_TEMP]
yield from self._endpoint.light_color.move_to_color_temp(
temperature, duration)
self._color_temp = temperature
if light.ATTR_XY_COLOR in kwargs:
self._xy_color = kwargs[light.ATTR_XY_COLOR]
elif light.ATTR_RGB_COLOR in kwargs:
xyb = color_RGB_to_xy(
*(int(val) for val in kwargs[light.ATTR_RGB_COLOR]))
self._xy_color = (xyb[0], xyb[1])
self._brightness = xyb[2]
if light.ATTR_XY_COLOR in kwargs or light.ATTR_RGB_COLOR in kwargs:
yield from self._endpoint.light_color.move_to_color(
int(self._xy_color[0] * 65535),
int(self._xy_color[1] * 65535),
duration,
)
if self._brightness is not None:
brightness = kwargs.get('brightness', self._brightness or 255)
self._brightness = brightness
# Move to level with on/off:
yield from self._endpoint.level.move_to_level_with_on_off(
brightness,
duration
)
self._state = 1
return
yield from self._endpoint.on_off.on()
self._state = 1
@asyncio.coroutine
def async_turn_off(self, **kwargs):
"""Turn the entity off."""
yield from self._endpoint.on_off.off()
self._state = 0
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self._brightness
@property
def xy_color(self):
"""Return the XY color value [float, float]."""
return self._xy_color
@property
def color_temp(self):
"""Return the CT color value in mireds."""
return self._color_temp
@property
def supported_features(self):
"""Flag supported features."""
return self._supported_features