core/homeassistant/components/airnow/sensor.py

156 lines
4.7 KiB
Python

"""Support for the AirNow sensor service."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from typing import Any
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
CONCENTRATION_PARTS_PER_MILLION,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import StateType
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import AirNowDataUpdateCoordinator
from .const import (
ATTR_API_AQI,
ATTR_API_AQI_DESCRIPTION,
ATTR_API_AQI_LEVEL,
ATTR_API_O3,
ATTR_API_PM25,
ATTR_API_STATION,
ATTR_API_STATION_LATITUDE,
ATTR_API_STATION_LONGITUDE,
DEFAULT_NAME,
DOMAIN,
)
ATTRIBUTION = "Data provided by AirNow"
PARALLEL_UPDATES = 1
ATTR_DESCR = "description"
ATTR_LEVEL = "level"
ATTR_STATION = "reporting_station"
@dataclass
class AirNowEntityDescriptionMixin:
"""Mixin for required keys."""
value_fn: Callable[[Any], StateType]
extra_state_attributes_fn: Callable[[Any], dict[str, str]] | None
@dataclass
class AirNowEntityDescription(SensorEntityDescription, AirNowEntityDescriptionMixin):
"""Describes Airnow sensor entity."""
SENSOR_TYPES: tuple[AirNowEntityDescription, ...] = (
AirNowEntityDescription(
key=ATTR_API_AQI,
icon="mdi:blur",
state_class=SensorStateClass.MEASUREMENT,
device_class=SensorDeviceClass.AQI,
value_fn=lambda data: data.get(ATTR_API_AQI),
extra_state_attributes_fn=lambda data: {
ATTR_DESCR: data[ATTR_API_AQI_DESCRIPTION],
ATTR_LEVEL: data[ATTR_API_AQI_LEVEL],
},
),
AirNowEntityDescription(
key=ATTR_API_PM25,
icon="mdi:blur",
native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
state_class=SensorStateClass.MEASUREMENT,
device_class=SensorDeviceClass.PM25,
value_fn=lambda data: data.get(ATTR_API_PM25),
extra_state_attributes_fn=None,
),
AirNowEntityDescription(
key=ATTR_API_O3,
translation_key="o3",
icon="mdi:blur",
native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
state_class=SensorStateClass.MEASUREMENT,
value_fn=lambda data: data.get(ATTR_API_O3),
extra_state_attributes_fn=None,
),
AirNowEntityDescription(
key=ATTR_API_STATION,
translation_key="station",
icon="mdi:blur",
value_fn=lambda data: data.get(ATTR_API_STATION),
extra_state_attributes_fn=lambda data: {
"lat": data[ATTR_API_STATION_LATITUDE],
"long": data[ATTR_API_STATION_LONGITUDE],
},
),
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up AirNow sensor entities based on a config entry."""
coordinator = hass.data[DOMAIN][config_entry.entry_id]
entities = [AirNowSensor(coordinator, description) for description in SENSOR_TYPES]
async_add_entities(entities, False)
class AirNowSensor(CoordinatorEntity[AirNowDataUpdateCoordinator], SensorEntity):
"""Define an AirNow sensor."""
_attr_attribution = ATTRIBUTION
_attr_has_entity_name = True
entity_description: AirNowEntityDescription
def __init__(
self,
coordinator: AirNowDataUpdateCoordinator,
description: AirNowEntityDescription,
) -> None:
"""Initialize."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = (
f"{coordinator.latitude}-{coordinator.longitude}-{description.key.lower()}"
)
self._attr_device_info = DeviceInfo(
entry_type=DeviceEntryType.SERVICE,
identifiers={(DOMAIN, self._attr_unique_id)},
manufacturer=DEFAULT_NAME,
name=DEFAULT_NAME,
)
@property
def native_value(self) -> StateType:
"""Return the state."""
return self.entity_description.value_fn(self.coordinator.data)
@property
def extra_state_attributes(self) -> dict[str, str] | None:
"""Return the state attributes."""
if self.entity_description.extra_state_attributes_fn:
return self.entity_description.extra_state_attributes_fn(
self.coordinator.data
)
return None