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https://github.com/home-assistant/core
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88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
"""Support for Lutron Caseta lights."""
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from datetime import timedelta
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import logging
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_TRANSITION,
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DOMAIN,
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SUPPORT_BRIGHTNESS,
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SUPPORT_TRANSITION,
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LightEntity,
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)
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from . import DOMAIN as CASETA_DOMAIN, LutronCasetaDevice
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_LOGGER = logging.getLogger(__name__)
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def to_lutron_level(level):
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"""Convert the given Home Assistant light level (0-255) to Lutron (0-100)."""
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return int(round((level * 100) / 255))
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def to_hass_level(level):
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"""Convert the given Lutron (0-100) light level to Home Assistant (0-255)."""
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return int((level * 255) // 100)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up the Lutron Caseta light platform.
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Adds dimmers from the Caseta bridge associated with the config_entry as
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light entities.
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"""
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entities = []
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bridge = hass.data[CASETA_DOMAIN][config_entry.entry_id]
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light_devices = bridge.get_devices_by_domain(DOMAIN)
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for light_device in light_devices:
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entity = LutronCasetaLight(light_device, bridge)
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entities.append(entity)
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async_add_entities(entities, True)
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class LutronCasetaLight(LutronCasetaDevice, LightEntity):
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"""Representation of a Lutron Light, including dimmable."""
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_BRIGHTNESS | SUPPORT_TRANSITION
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@property
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def brightness(self):
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"""Return the brightness of the light."""
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return to_hass_level(self._device["current_state"])
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async def _set_brightness(self, brightness, **kwargs):
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args = {}
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if ATTR_TRANSITION in kwargs:
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args["fade_time"] = timedelta(seconds=kwargs[ATTR_TRANSITION])
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await self._smartbridge.set_value(
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self.device_id, to_lutron_level(brightness), **args
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)
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async def async_turn_on(self, **kwargs):
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"""Turn the light on."""
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brightness = kwargs.pop(ATTR_BRIGHTNESS, 255)
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await self._set_brightness(brightness, **kwargs)
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async def async_turn_off(self, **kwargs):
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"""Turn the light off."""
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await self._set_brightness(0, **kwargs)
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@property
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def is_on(self):
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"""Return true if device is on."""
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return self._device["current_state"] > 0
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async def async_update(self):
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"""Call when forcing a refresh of the device."""
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self._device = self._smartbridge.get_device_by_id(self.device_id)
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_LOGGER.debug(self._device)
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