93 lines
2.9 KiB
Python
93 lines
2.9 KiB
Python
"""Support for Lutron lights."""
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from __future__ import annotations
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from collections.abc import Mapping
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from typing import Any
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from pylutron import Output
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from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from . import DOMAIN, LutronData
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from .entity import LutronDevice
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the Lutron light platform.
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Adds dimmers from the Main Repeater associated with the config_entry as
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light entities.
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"""
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entry_data: LutronData = hass.data[DOMAIN][config_entry.entry_id]
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async_add_entities(
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[
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LutronLight(area_name, device, entry_data.client)
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for area_name, device in entry_data.lights
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],
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True,
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)
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def to_lutron_level(level):
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"""Convert the given Home Assistant light level (0-255) to Lutron (0.0-100.0)."""
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return float((level * 100) / 255)
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def to_hass_level(level):
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"""Convert the given Lutron (0.0-100.0) light level to Home Assistant (0-255)."""
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return int((level * 255) / 100)
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class LutronLight(LutronDevice, LightEntity):
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"""Representation of a Lutron Light, including dimmable."""
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_attr_color_mode = ColorMode.BRIGHTNESS
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_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
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_lutron_device: Output
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_prev_brightness: int | None = None
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@property
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def brightness(self) -> int:
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"""Return the brightness of the light."""
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new_brightness = to_hass_level(self._lutron_device.last_level())
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if new_brightness != 0:
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self._prev_brightness = new_brightness
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return new_brightness
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def turn_on(self, **kwargs: Any) -> None:
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"""Turn the light on."""
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if ATTR_BRIGHTNESS in kwargs and self._lutron_device.is_dimmable:
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brightness = kwargs[ATTR_BRIGHTNESS]
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elif self._prev_brightness == 0:
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brightness = 255 / 2
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else:
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brightness = self._prev_brightness
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self._prev_brightness = brightness
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self._lutron_device.level = to_lutron_level(brightness)
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def turn_off(self, **kwargs: Any) -> None:
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"""Turn the light off."""
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self._lutron_device.level = 0
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@property
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def extra_state_attributes(self) -> Mapping[str, Any] | None:
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"""Return the state attributes."""
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return {"lutron_integration_id": self._lutron_device.id}
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@property
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def is_on(self) -> bool:
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"""Return true if device is on."""
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return self._lutron_device.last_level() > 0
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def update(self) -> None:
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"""Call when forcing a refresh of the device."""
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if self._prev_brightness is None:
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self._prev_brightness = to_hass_level(self._lutron_device.level)
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