mirror of
https://github.com/home-assistant/core
synced 2024-09-03 08:14:07 +02:00
103 lines
2.8 KiB
Python
103 lines
2.8 KiB
Python
"""Support for Steamist sensors."""
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from __future__ import annotations
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from collections.abc import Callable
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from dataclasses import dataclass
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from aiosteamist import SteamistStatus
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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SensorStateClass,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import TEMP_CELSIUS, TEMP_FAHRENHEIT, TIME_MINUTES
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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 .const import DOMAIN
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from .coordinator import SteamistDataUpdateCoordinator
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from .entity import SteamistEntity
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_KEY_MINUTES_REMAIN = "minutes_remain"
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_KEY_TEMP = "temp"
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UNIT_MAPPINGS = {
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"C": TEMP_CELSIUS,
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"F": TEMP_FAHRENHEIT,
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}
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@dataclass
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class SteamistSensorEntityDescriptionMixin:
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"""Mixin for required keys."""
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value_fn: Callable[[SteamistStatus], int | None]
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@dataclass
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class SteamistSensorEntityDescription(
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SensorEntityDescription, SteamistSensorEntityDescriptionMixin
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):
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"""Describes a Steamist sensor entity."""
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SENSORS: tuple[SteamistSensorEntityDescription, ...] = (
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SteamistSensorEntityDescription(
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key=_KEY_MINUTES_REMAIN,
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name="Steam Minutes Remain",
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native_unit_of_measurement=TIME_MINUTES,
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value_fn=lambda status: status.minutes_remain,
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),
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SteamistSensorEntityDescription(
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key=_KEY_TEMP,
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name="Steam Temperature",
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device_class=SensorDeviceClass.TEMPERATURE,
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state_class=SensorStateClass.MEASUREMENT,
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value_fn=lambda status: status.temp,
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),
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)
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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 sensors."""
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coordinator: SteamistDataUpdateCoordinator = hass.data[DOMAIN][
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config_entry.entry_id
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]
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async_add_entities(
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[
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SteamistSensorEntity(coordinator, config_entry, description)
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for description in SENSORS
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]
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)
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class SteamistSensorEntity(SteamistEntity, SensorEntity):
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"""Representation of an Steamist steam switch."""
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entity_description: SteamistSensorEntityDescription
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def __init__(
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self,
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coordinator: SteamistDataUpdateCoordinator,
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entry: ConfigEntry,
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description: SteamistSensorEntityDescription,
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) -> None:
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"""Initialize the sensor entity."""
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super().__init__(coordinator, entry, description)
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if description.key == _KEY_TEMP:
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self._attr_native_unit_of_measurement = UNIT_MAPPINGS[
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self._status.temp_units
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]
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@property
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def native_value(self) -> int | None:
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"""Return the native value of the sensor."""
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return self.entity_description.value_fn(self._status)
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