161 lines
5.0 KiB
Python
161 lines
5.0 KiB
Python
"""Support for the OpenWeatherMap (OWM) service."""
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from __future__ import annotations
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from datetime import datetime
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.device_registry import DeviceEntryType
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import StateType
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
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from homeassistant.util import dt as dt_util
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from .const import (
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ATTR_API_FORECAST,
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ATTRIBUTION,
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DEFAULT_NAME,
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DOMAIN,
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ENTRY_NAME,
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ENTRY_WEATHER_COORDINATOR,
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FORECAST_SENSOR_TYPES,
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MANUFACTURER,
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WEATHER_SENSOR_TYPES,
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)
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from .weather_update_coordinator import WeatherUpdateCoordinator
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up OpenWeatherMap sensor entities based on a config entry."""
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domain_data = hass.data[DOMAIN][config_entry.entry_id]
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name = domain_data[ENTRY_NAME]
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weather_coordinator = domain_data[ENTRY_WEATHER_COORDINATOR]
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entities: list[AbstractOpenWeatherMapSensor] = [
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OpenWeatherMapSensor(
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name,
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f"{config_entry.unique_id}-{description.key}",
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description,
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weather_coordinator,
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)
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for description in WEATHER_SENSOR_TYPES
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]
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entities.extend(
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[
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OpenWeatherMapForecastSensor(
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f"{name} Forecast",
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f"{config_entry.unique_id}-forecast-{description.key}",
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description,
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weather_coordinator,
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)
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for description in FORECAST_SENSOR_TYPES
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]
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)
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async_add_entities(entities)
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class AbstractOpenWeatherMapSensor(SensorEntity):
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"""Abstract class for an OpenWeatherMap sensor."""
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_attr_should_poll = False
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_attr_attribution = ATTRIBUTION
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def __init__(
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self,
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name: str,
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unique_id: str,
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description: SensorEntityDescription,
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coordinator: DataUpdateCoordinator,
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) -> None:
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"""Initialize the sensor."""
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self.entity_description = description
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self._coordinator = coordinator
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self._attr_name = f"{name} {description.name}"
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self._attr_unique_id = unique_id
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split_unique_id = unique_id.split("-")
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self._attr_device_info = DeviceInfo(
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entry_type=DeviceEntryType.SERVICE,
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identifiers={(DOMAIN, f"{split_unique_id[0]}-{split_unique_id[1]}")},
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manufacturer=MANUFACTURER,
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name=DEFAULT_NAME,
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)
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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return self._coordinator.last_update_success
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async def async_added_to_hass(self) -> None:
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"""Connect to dispatcher listening for entity data notifications."""
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self.async_on_remove(
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self._coordinator.async_add_listener(self.async_write_ha_state)
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)
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async def async_update(self) -> None:
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"""Get the latest data from OWM and updates the states."""
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await self._coordinator.async_request_refresh()
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class OpenWeatherMapSensor(AbstractOpenWeatherMapSensor):
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"""Implementation of an OpenWeatherMap sensor."""
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def __init__(
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self,
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name: str,
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unique_id: str,
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description: SensorEntityDescription,
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weather_coordinator: WeatherUpdateCoordinator,
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) -> None:
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"""Initialize the sensor."""
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super().__init__(name, unique_id, description, weather_coordinator)
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self._weather_coordinator = weather_coordinator
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@property
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def native_value(self) -> StateType:
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"""Return the state of the device."""
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return self._weather_coordinator.data.get(self.entity_description.key, None)
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class OpenWeatherMapForecastSensor(AbstractOpenWeatherMapSensor):
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"""Implementation of an OpenWeatherMap this day forecast sensor."""
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def __init__(
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self,
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name: str,
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unique_id: str,
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description: SensorEntityDescription,
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weather_coordinator: WeatherUpdateCoordinator,
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) -> None:
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"""Initialize the sensor."""
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super().__init__(name, unique_id, description, weather_coordinator)
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self._weather_coordinator = weather_coordinator
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@property
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def native_value(self) -> StateType | datetime:
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"""Return the state of the device."""
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forecasts = self._weather_coordinator.data.get(ATTR_API_FORECAST)
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if not forecasts:
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return None
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value = forecasts[0].get(self.entity_description.key, None)
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if (
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value
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and self.entity_description.device_class is SensorDeviceClass.TIMESTAMP
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):
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return dt_util.parse_datetime(value)
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return value
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