mirror of https://github.com/home-assistant/core
80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
"""Support for LaMetric 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 demetriek import Device
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from homeassistant.components.sensor import (
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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 PERCENTAGE, EntityCategory
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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 LaMetricDataUpdateCoordinator
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from .entity import LaMetricEntity
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@dataclass(frozen=True, kw_only=True)
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class LaMetricSensorEntityDescription(SensorEntityDescription):
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"""Class describing LaMetric sensor entities."""
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value_fn: Callable[[Device], int | None]
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SENSORS = [
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LaMetricSensorEntityDescription(
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key="rssi",
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translation_key="rssi",
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entity_category=EntityCategory.DIAGNOSTIC,
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entity_registry_enabled_default=False,
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native_unit_of_measurement=PERCENTAGE,
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state_class=SensorStateClass.MEASUREMENT,
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value_fn=lambda device: device.wifi.rssi,
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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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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up LaMetric sensor based on a config entry."""
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coordinator: LaMetricDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
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async_add_entities(
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LaMetricSensorEntity(
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coordinator=coordinator,
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description=description,
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)
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for description in SENSORS
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)
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class LaMetricSensorEntity(LaMetricEntity, SensorEntity):
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"""Representation of a LaMetric sensor."""
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entity_description: LaMetricSensorEntityDescription
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def __init__(
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self,
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coordinator: LaMetricDataUpdateCoordinator,
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description: LaMetricSensorEntityDescription,
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) -> None:
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"""Initiate LaMetric sensor."""
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super().__init__(coordinator)
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self.entity_description = description
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self._attr_unique_id = f"{coordinator.data.serial_number}-{description.key}"
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@property
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def native_value(self) -> int | None:
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"""Return the sensor value."""
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return self.entity_description.value_fn(self.coordinator.data)
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