mirror of https://github.com/home-assistant/core
115 lines
3.8 KiB
Python
115 lines
3.8 KiB
Python
"""Support for esphome sensors."""
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from __future__ import annotations
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from datetime import datetime
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import math
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from aioesphomeapi import (
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EntityInfo,
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SensorInfo,
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SensorState,
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SensorStateClass as EsphomeSensorStateClass,
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TextSensorInfo,
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TextSensorState,
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)
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from aioesphomeapi.model import LastResetType
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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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.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.util import dt as dt_util
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from homeassistant.util.enum import try_parse_enum
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from .entity import EsphomeEntity, esphome_state_property, platform_async_setup_entry
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from .enum_mapper import EsphomeEnumMapper
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async def async_setup_entry(
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hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
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) -> None:
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"""Set up esphome sensors based on a config entry."""
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await platform_async_setup_entry(
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hass,
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entry,
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async_add_entities,
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info_type=SensorInfo,
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entity_type=EsphomeSensor,
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state_type=SensorState,
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)
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await platform_async_setup_entry(
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hass,
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entry,
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async_add_entities,
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info_type=TextSensorInfo,
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entity_type=EsphomeTextSensor,
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state_type=TextSensorState,
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)
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_STATE_CLASSES: EsphomeEnumMapper[
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EsphomeSensorStateClass, SensorStateClass | None
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] = EsphomeEnumMapper(
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{
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EsphomeSensorStateClass.NONE: None,
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EsphomeSensorStateClass.MEASUREMENT: SensorStateClass.MEASUREMENT,
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EsphomeSensorStateClass.TOTAL_INCREASING: SensorStateClass.TOTAL_INCREASING,
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EsphomeSensorStateClass.TOTAL: SensorStateClass.TOTAL,
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}
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)
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class EsphomeSensor(EsphomeEntity[SensorInfo, SensorState], SensorEntity):
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"""A sensor implementation for esphome."""
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@callback
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def _on_static_info_update(self, static_info: EntityInfo) -> None:
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"""Set attrs from static info."""
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super()._on_static_info_update(static_info)
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static_info = self._static_info
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self._attr_force_update = static_info.force_update
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# protobuf doesn't support nullable strings so we need to check
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# if the string is empty
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if unit_of_measurement := static_info.unit_of_measurement:
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self._attr_native_unit_of_measurement = unit_of_measurement
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self._attr_device_class = try_parse_enum(
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SensorDeviceClass, static_info.device_class
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)
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if not (state_class := static_info.state_class):
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return
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if (
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state_class == EsphomeSensorStateClass.MEASUREMENT
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and static_info.last_reset_type == LastResetType.AUTO
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):
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# Legacy, last_reset_type auto was the equivalent to the
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# TOTAL_INCREASING state class
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self._attr_state_class = SensorStateClass.TOTAL_INCREASING
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else:
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self._attr_state_class = _STATE_CLASSES.from_esphome(state_class)
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@property
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@esphome_state_property
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def native_value(self) -> datetime | str | None:
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"""Return the state of the entity."""
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state = self._state
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if math.isnan(state.state) or state.missing_state:
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return None
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if self._attr_device_class == SensorDeviceClass.TIMESTAMP:
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return dt_util.utc_from_timestamp(state.state)
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return f"{state.state:.{self._static_info.accuracy_decimals}f}"
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class EsphomeTextSensor(EsphomeEntity[TextSensorInfo, TextSensorState], SensorEntity):
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"""A text sensor implementation for ESPHome."""
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@property
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@esphome_state_property
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def native_value(self) -> str | None:
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"""Return the state of the entity."""
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state = self._state
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return None if state.missing_state else state.state
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