mirror of https://github.com/home-assistant/core
155 lines
4.6 KiB
Python
155 lines
4.6 KiB
Python
"""Support for LED lights."""
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from __future__ import annotations
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from datetime import timedelta
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import logging
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from typing import Any, Callable
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from elgato import Elgato, ElgatoError, Info, State
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_COLOR_TEMP,
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SUPPORT_BRIGHTNESS,
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SUPPORT_COLOR_TEMP,
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LightEntity,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import ATTR_NAME
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity import Entity
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from .const import (
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ATTR_IDENTIFIERS,
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ATTR_MANUFACTURER,
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ATTR_MODEL,
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ATTR_SOFTWARE_VERSION,
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DATA_ELGATO_CLIENT,
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DOMAIN,
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)
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_LOGGER = logging.getLogger(__name__)
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PARALLEL_UPDATES = 1
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SCAN_INTERVAL = timedelta(seconds=10)
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: Callable[[list[Entity], bool], None],
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) -> None:
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"""Set up Elgato Key Light based on a config entry."""
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elgato: Elgato = hass.data[DOMAIN][entry.entry_id][DATA_ELGATO_CLIENT]
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info = await elgato.info()
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async_add_entities([ElgatoLight(elgato, info)], True)
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class ElgatoLight(LightEntity):
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"""Defines a Elgato Key Light."""
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def __init__(
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self,
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elgato: Elgato,
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info: Info,
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) -> None:
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"""Initialize Elgato Key Light."""
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self._info: Info = info
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self._state: State | None = None
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self.elgato = elgato
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@property
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def name(self) -> str:
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"""Return the name of the entity."""
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# Return the product name, if display name is not set
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return self._info.display_name or self._info.product_name
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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return self._state is not None
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@property
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def unique_id(self) -> str:
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"""Return the unique ID for this sensor."""
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return self._info.serial_number
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@property
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def brightness(self) -> int | None:
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"""Return the brightness of this light between 1..255."""
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assert self._state is not None
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return round((self._state.brightness * 255) / 100)
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@property
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def color_temp(self) -> int | None:
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"""Return the CT color value in mireds."""
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assert self._state is not None
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return self._state.temperature
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@property
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def min_mireds(self) -> int:
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"""Return the coldest color_temp that this light supports."""
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return 143
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@property
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def max_mireds(self) -> int:
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"""Return the warmest color_temp that this light supports."""
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return 344
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@property
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def supported_features(self) -> int:
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"""Flag supported features."""
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return SUPPORT_BRIGHTNESS | SUPPORT_COLOR_TEMP
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@property
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def is_on(self) -> bool:
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"""Return the state of the light."""
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assert self._state is not None
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return self._state.on
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async def async_turn_off(self, **kwargs: Any) -> None:
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"""Turn off the light."""
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try:
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await self.elgato.light(on=False)
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except ElgatoError:
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_LOGGER.error("An error occurred while updating the Elgato Key Light")
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self._state = None
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async def async_turn_on(self, **kwargs: Any) -> None:
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"""Turn on the light."""
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temperature = kwargs.get(ATTR_COLOR_TEMP)
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brightness = None
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if ATTR_BRIGHTNESS in kwargs:
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brightness = round((kwargs[ATTR_BRIGHTNESS] / 255) * 100)
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try:
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await self.elgato.light(
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on=True, brightness=brightness, temperature=temperature
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)
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except ElgatoError:
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_LOGGER.error("An error occurred while updating the Elgato Key Light")
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self._state = None
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async def async_update(self) -> None:
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"""Update Elgato entity."""
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restoring = self._state is None
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try:
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self._state = await self.elgato.state()
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if restoring:
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_LOGGER.info("Connection restored")
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except ElgatoError as err:
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meth = _LOGGER.error if self._state else _LOGGER.debug
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meth("An error occurred while updating the Elgato Key Light: %s", err)
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self._state = None
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@property
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def device_info(self) -> dict[str, Any]:
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"""Return device information about this Elgato Key Light."""
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return {
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ATTR_IDENTIFIERS: {(DOMAIN, self._info.serial_number)},
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ATTR_NAME: self._info.product_name,
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ATTR_MANUFACTURER: "Elgato",
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ATTR_MODEL: self._info.product_name,
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ATTR_SOFTWARE_VERSION: f"{self._info.firmware_version} ({self._info.firmware_build_number})",
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}
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