core/homeassistant/components/trafikverket_weatherstation/sensor.py

254 lines
8.0 KiB
Python

"""Weather information for air and road temperature (by Trafikverket)."""
from __future__ import annotations
import asyncio
from dataclasses import dataclass
from datetime import timedelta
import logging
import aiohttp
from pytrafikverket.trafikverket_weather import TrafikverketWeather, WeatherStationInfo
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as PARENT_PLATFORM_SCHEMA,
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import (
CONF_API_KEY,
CONF_MONITORED_CONDITIONS,
CONF_NAME,
DEGREE,
LENGTH_MILLIMETERS,
PERCENTAGE,
SPEED_METERS_PER_SECOND,
TEMP_CELSIUS,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.aiohttp_client import async_get_clientsession
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.device_registry import DeviceEntryType
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.util import Throttle
from .const import (
ATTR_ACTIVE,
ATTR_MEASURE_TIME,
ATTRIBUTION,
CONF_STATION,
DOMAIN,
NONE_IS_ZERO_SENSORS,
)
_LOGGER = logging.getLogger(__name__)
MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=10)
SCAN_INTERVAL = timedelta(seconds=300)
@dataclass
class TrafikverketRequiredKeysMixin:
"""Mixin for required keys."""
api_key: str
@dataclass
class TrafikverketSensorEntityDescription(
SensorEntityDescription, TrafikverketRequiredKeysMixin
):
"""Describes Trafikverket sensor entity."""
SENSOR_TYPES: tuple[TrafikverketSensorEntityDescription, ...] = (
TrafikverketSensorEntityDescription(
key="air_temp",
api_key="air_temp",
name="Air temperature",
native_unit_of_measurement=TEMP_CELSIUS,
icon="mdi:thermometer",
device_class=SensorDeviceClass.TEMPERATURE,
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="road_temp",
api_key="road_temp",
name="Road temperature",
native_unit_of_measurement=TEMP_CELSIUS,
icon="mdi:thermometer",
device_class=SensorDeviceClass.TEMPERATURE,
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="precipitation",
api_key="precipitationtype",
name="Precipitation type",
icon="mdi:weather-snowy-rainy",
entity_registry_enabled_default=False,
),
TrafikverketSensorEntityDescription(
key="wind_direction",
api_key="winddirection",
name="Wind direction",
native_unit_of_measurement=DEGREE,
icon="mdi:flag-triangle",
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="wind_direction_text",
api_key="winddirectiontext",
name="Wind direction text",
icon="mdi:flag-triangle",
),
TrafikverketSensorEntityDescription(
key="wind_speed",
api_key="windforce",
name="Wind speed",
native_unit_of_measurement=SPEED_METERS_PER_SECOND,
icon="mdi:weather-windy",
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="wind_speed_max",
api_key="windforcemax",
name="Wind speed max",
native_unit_of_measurement=SPEED_METERS_PER_SECOND,
icon="mdi:weather-windy-variant",
entity_registry_enabled_default=False,
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="humidity",
api_key="humidity",
name="Humidity",
native_unit_of_measurement=PERCENTAGE,
icon="mdi:water-percent",
device_class=SensorDeviceClass.HUMIDITY,
entity_registry_enabled_default=False,
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="precipitation_amount",
api_key="precipitation_amount",
name="Precipitation amount",
native_unit_of_measurement=LENGTH_MILLIMETERS,
icon="mdi:cup-water",
state_class=SensorStateClass.MEASUREMENT,
),
TrafikverketSensorEntityDescription(
key="precipitation_amountname",
api_key="precipitation_amountname",
name="Precipitation name",
icon="mdi:weather-pouring",
entity_registry_enabled_default=False,
),
)
SENSOR_KEYS = [desc.key for desc in SENSOR_TYPES]
PLATFORM_SCHEMA = PARENT_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_NAME): cv.string,
vol.Required(CONF_API_KEY): cv.string,
vol.Required(CONF_STATION): cv.string,
vol.Required(CONF_MONITORED_CONDITIONS, default=[]): [vol.In(SENSOR_KEYS)],
}
)
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Import Trafikverket Weather configuration from YAML."""
_LOGGER.warning(
# Config flow added in Home Assistant Core 2021.12, remove import flow in 2022.4
"Loading Trafikverket Weather via platform setup is deprecated; Please remove it from your configuration"
)
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data=config,
)
)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up the Trafikverket sensor entry."""
web_session = async_get_clientsession(hass)
weather_api = TrafikverketWeather(web_session, entry.data[CONF_API_KEY])
entities = [
TrafikverketWeatherStation(
weather_api, entry.entry_id, entry.data[CONF_STATION], description
)
for description in SENSOR_TYPES
]
async_add_entities(entities, True)
class TrafikverketWeatherStation(SensorEntity):
"""Representation of a Trafikverket sensor."""
entity_description: TrafikverketSensorEntityDescription
_attr_attribution = ATTRIBUTION
def __init__(
self,
weather_api: TrafikverketWeather,
entry_id: str,
sensor_station: str,
description: TrafikverketSensorEntityDescription,
) -> None:
"""Initialize the sensor."""
self.entity_description = description
self._attr_name = f"{sensor_station} {description.name}"
self._attr_unique_id = f"{entry_id}_{description.key}"
self._station = sensor_station
self._weather_api = weather_api
self._attr_device_info = DeviceInfo(
entry_type=DeviceEntryType.SERVICE,
identifiers={(DOMAIN, entry_id)},
manufacturer="Trafikverket",
model="v1.2",
name=sensor_station,
configuration_url="https://api.trafikinfo.trafikverket.se/",
)
self._weather: WeatherStationInfo | None = None
@Throttle(MIN_TIME_BETWEEN_UPDATES)
async def async_update(self) -> None:
"""Get the latest data from Trafikverket and updates the states."""
try:
self._weather = await self._weather_api.async_get_weather(self._station)
except (asyncio.TimeoutError, aiohttp.ClientError, ValueError) as error:
_LOGGER.error("Could not fetch weather data: %s", error)
return
self._attr_native_value = getattr(
self._weather, self.entity_description.api_key
)
if (
self._attr_native_value is None
and self.entity_description.key in NONE_IS_ZERO_SENSORS
):
self._attr_native_value = 0
self._attr_extra_state_attributes = {
ATTR_ACTIVE: self._weather.active,
ATTR_MEASURE_TIME: self._weather.measure_time,
}