core/homeassistant/components/light/rfxtrx.py

69 lines
2.0 KiB
Python

"""
Support for RFXtrx lights.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.rfxtrx/
"""
import logging
import homeassistant.components.rfxtrx as rfxtrx
from homeassistant.components.light import (ATTR_BRIGHTNESS,
SUPPORT_BRIGHTNESS, Light)
DEPENDENCIES = ['rfxtrx']
_LOGGER = logging.getLogger(__name__)
PLATFORM_SCHEMA = rfxtrx.DEFAULT_SCHEMA
SUPPORT_RFXTRX = SUPPORT_BRIGHTNESS
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup the RFXtrx platform."""
import RFXtrx as rfxtrxmod
lights = rfxtrx.get_devices_from_config(config, RfxtrxLight)
add_devices(lights)
def light_update(event):
"""Callback for light updates from the RFXtrx gateway."""
if not isinstance(event.device, rfxtrxmod.LightingDevice) or \
not event.device.known_to_be_dimmable:
return
new_device = rfxtrx.get_new_device(event, config, RfxtrxLight)
if new_device:
add_devices([new_device])
rfxtrx.apply_received_command(event)
# Subscribe to main rfxtrx events
if light_update not in rfxtrx.RECEIVED_EVT_SUBSCRIBERS:
rfxtrx.RECEIVED_EVT_SUBSCRIBERS.append(light_update)
class RfxtrxLight(rfxtrx.RfxtrxDevice, Light):
"""Represenation of a RFXtrx light."""
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self._brightness
@property
def supported_features(self):
"""Flag supported features."""
return SUPPORT_RFXTRX
def turn_on(self, **kwargs):
"""Turn the light on."""
brightness = kwargs.get(ATTR_BRIGHTNESS)
if brightness is None:
self._brightness = 255
self._send_command("turn_on")
else:
self._brightness = brightness
_brightness = (brightness * 100 // 255)
self._send_command("dim", _brightness)