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Use RestoreSensor in derivative (#91071)

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RestoreSensor
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G Johansson 2023-04-12 08:46:55 +02:00 committed by GitHub
parent e277bbb513
commit b7cc42d135
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1 changed files with 8 additions and 5 deletions
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13
homeassistant/components/derivative/sensor.py
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@ -8,7 +8,7 @@ from typing import TYPE_CHECKING
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
from homeassistant.components.sensor import PLATFORM_SCHEMA, RestoreSensor, SensorEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
ATTR_UNIT_OF_MEASUREMENT,
@ -22,7 +22,6 @@ from homeassistant.core import Event, HomeAssistant, State, callback
from homeassistant.helpers import config_validation as cv, entity_registry as er
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.event import async_track_state_change_event
from homeassistant.helpers.restore_state import RestoreEntity
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import (
@ -126,7 +125,7 @@ async def async_setup_platform(
async_add_entities([derivative])
class DerivativeSensor(RestoreEntity, SensorEntity):
class DerivativeSensor(RestoreSensor, SensorEntity):
"""Representation of an derivative sensor."""
_attr_icon = ICON
@ -170,9 +169,13 @@ class DerivativeSensor(RestoreEntity, SensorEntity):
async def async_added_to_hass(self) -> None:
"""Handle entity which will be added."""
await super().async_added_to_hass()
if (state := await self.async_get_last_state()) is not None:
restored_data = await self.async_get_last_sensor_data()
if restored_data:
self._attr_native_unit_of_measurement = (
restored_data.native_unit_of_measurement
)
try:
self._state = Decimal(state.state)
self._state = Decimal(restored_data.native_value) # type: ignore[arg-type]
except SyntaxError as err:
_LOGGER.warning("Could not restore last state: %s", err)