105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
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"""Component for interfacing to Lutron Homeworks lights.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/light.homeworks/
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"""
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import logging
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from homeassistant.components.homeworks import (
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HomeworksDevice, HOMEWORKS_CONTROLLER, ENTITY_SIGNAL,
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CONF_DIMMERS, CONF_ADDR, CONF_RATE)
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, Light)
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from homeassistant.const import CONF_NAME
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import (
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async_dispatcher_connect)
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DEPENDENCIES = ['homeworks']
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_entities, discover_info=None):
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"""Set up Homeworks lights."""
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if discover_info is None:
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return
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controller = hass.data[HOMEWORKS_CONTROLLER]
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devs = []
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for dimmer in discover_info[CONF_DIMMERS]:
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dev = HomeworksLight(controller, dimmer[CONF_ADDR],
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dimmer[CONF_NAME], dimmer[CONF_RATE])
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devs.append(dev)
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add_entities(devs, True)
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class HomeworksLight(HomeworksDevice, Light):
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"""Homeworks Light."""
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def __init__(self, controller, addr, name, rate):
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"""Create device with Addr, name, and rate."""
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super().__init__(controller, addr, name)
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self._rate = rate
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self._level = 0
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self._prev_level = 0
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async def async_added_to_hass(self):
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"""Call when entity is added to hass."""
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signal = ENTITY_SIGNAL.format(self._addr)
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_LOGGER.debug('connecting %s', signal)
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async_dispatcher_connect(
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self.hass, signal, self._update_callback)
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self._controller.request_dimmer_level(self._addr)
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@property
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def supported_features(self):
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"""Supported features."""
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return SUPPORT_BRIGHTNESS
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def turn_on(self, **kwargs):
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"""Turn on the light."""
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if ATTR_BRIGHTNESS in kwargs:
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new_level = kwargs[ATTR_BRIGHTNESS]
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elif self._prev_level == 0:
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new_level = 255
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else:
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new_level = self._prev_level
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self._set_brightness(new_level)
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def turn_off(self, **kwargs):
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"""Turn off the light."""
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self._set_brightness(0)
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@property
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def brightness(self):
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"""Control the brightness."""
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return self._level
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def _set_brightness(self, level):
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"""Send the brightness level to the device."""
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self._controller.fade_dim(
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float((level*100.)/255.), self._rate,
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0, self._addr)
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@property
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def device_state_attributes(self):
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"""Supported attributes."""
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return {'homeworks_address': self._addr}
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@property
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def is_on(self):
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"""Is the light on/off."""
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return self._level != 0
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@callback
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def _update_callback(self, msg_type, values):
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"""Process device specific messages."""
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from pyhomeworks.pyhomeworks import HW_LIGHT_CHANGED
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if msg_type == HW_LIGHT_CHANGED:
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self._level = int((values[1] * 255.)/100.)
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if self._level != 0:
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self._prev_level = self._level
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self.async_schedule_update_ha_state()
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