core/homeassistant/components/light/homematic.py

109 lines
3.4 KiB
Python

"""
Support for Homematic lights.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.homematic/
"""
import logging
from homeassistant.components.homematic import ATTR_DISCOVER_DEVICES, HMDevice
from homeassistant.components.light import (
ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, ATTR_HS_COLOR, SUPPORT_COLOR,
ATTR_EFFECT, SUPPORT_EFFECT, Light)
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['homematic']
SUPPORT_HOMEMATIC = SUPPORT_BRIGHTNESS
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Homematic light platform."""
if discovery_info is None:
return
devices = []
for conf in discovery_info[ATTR_DISCOVER_DEVICES]:
new_device = HMLight(conf)
devices.append(new_device)
add_entities(devices)
class HMLight(HMDevice, Light):
"""Representation of a Homematic light."""
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
# Is dimmer?
if self._state == 'LEVEL':
return int(self._hm_get_state() * 255)
return None
@property
def is_on(self):
"""Return true if light is on."""
try:
return self._hm_get_state() > 0
except TypeError:
return False
@property
def supported_features(self):
"""Flag supported features."""
if 'COLOR' in self._hmdevice.WRITENODE:
return SUPPORT_BRIGHTNESS | SUPPORT_COLOR | SUPPORT_EFFECT
return SUPPORT_BRIGHTNESS
@property
def hs_color(self):
"""Return the hue and saturation color value [float, float]."""
if not self.supported_features & SUPPORT_COLOR:
return None
hue, sat = self._hmdevice.get_hs_color()
return hue*360.0, sat*100.0
@property
def effect_list(self):
"""Return the list of supported effects."""
if not self.supported_features & SUPPORT_EFFECT:
return None
return self._hmdevice.get_effect_list()
@property
def effect(self):
"""Return the current color change program of the light."""
if not self.supported_features & SUPPORT_EFFECT:
return None
return self._hmdevice.get_effect()
def turn_on(self, **kwargs):
"""Turn the light on and/or change color or color effect settings."""
if ATTR_BRIGHTNESS in kwargs and self._state == "LEVEL":
percent_bright = float(kwargs[ATTR_BRIGHTNESS]) / 255
self._hmdevice.set_level(percent_bright, self._channel)
elif ATTR_HS_COLOR not in kwargs and ATTR_EFFECT not in kwargs:
self._hmdevice.on(self._channel)
if ATTR_HS_COLOR in kwargs:
self._hmdevice.set_hs_color(
hue=kwargs[ATTR_HS_COLOR][0]/360.0,
saturation=kwargs[ATTR_HS_COLOR][1]/100.0)
if ATTR_EFFECT in kwargs:
self._hmdevice.set_effect(kwargs[ATTR_EFFECT])
def turn_off(self, **kwargs):
"""Turn the light off."""
self._hmdevice.off(self._channel)
def _init_data_struct(self):
"""Generate a data dict (self._data) from the Homematic metadata."""
# Use LEVEL
self._state = "LEVEL"
self._data[self._state] = None
if self.supported_features & SUPPORT_COLOR:
self._data.update({"COLOR": None, "PROGRAM": None})