mirror of
https://github.com/home-assistant/core
synced 2024-08-28 03:36:46 +02:00
195 lines
6.6 KiB
Python
195 lines
6.6 KiB
Python
"""Support for Met Éireann weather service."""
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import logging
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from types import MappingProxyType
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from typing import Any, cast
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from homeassistant.components.weather import (
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ATTR_FORECAST_CONDITION,
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ATTR_FORECAST_TIME,
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DOMAIN as WEATHER_DOMAIN,
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Forecast,
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SingleCoordinatorWeatherEntity,
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WeatherEntityFeature,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import (
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CONF_LATITUDE,
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CONF_LONGITUDE,
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CONF_NAME,
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UnitOfPrecipitationDepth,
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UnitOfPressure,
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UnitOfSpeed,
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UnitOfTemperature,
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)
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers import entity_registry as er
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from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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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 . import MetEireannWeatherData
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from .const import CONDITION_MAP, DEFAULT_NAME, DOMAIN, FORECAST_MAP
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_LOGGER = logging.getLogger(__name__)
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def format_condition(condition: str | None) -> str | None:
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"""Map the conditions provided by the weather API to those supported by the frontend."""
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if condition is not None:
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for key, value in CONDITION_MAP.items():
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if condition in value:
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return key
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return condition
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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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"""Add a weather entity from a config_entry."""
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coordinator = hass.data[DOMAIN][config_entry.entry_id]
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entity_registry = er.async_get(hass)
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entities = [MetEireannWeather(coordinator, config_entry.data, False)]
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# Add hourly entity to legacy config entries
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if entity_registry.async_get_entity_id(
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WEATHER_DOMAIN,
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DOMAIN,
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_calculate_unique_id(config_entry.data, True),
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):
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entities.append(MetEireannWeather(coordinator, config_entry.data, True))
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async_add_entities(entities)
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def _calculate_unique_id(config: MappingProxyType[str, Any], hourly: bool) -> str:
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"""Calculate unique ID."""
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name_appendix = ""
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if hourly:
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name_appendix = "-hourly"
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return f"{config[CONF_LATITUDE]}-{config[CONF_LONGITUDE]}{name_appendix}"
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class MetEireannWeather(
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SingleCoordinatorWeatherEntity[DataUpdateCoordinator[MetEireannWeatherData]]
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):
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"""Implementation of a Met Éireann weather condition."""
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_attr_attribution = "Data provided by Met Éireann"
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_attr_native_precipitation_unit = UnitOfPrecipitationDepth.MILLIMETERS
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_attr_native_pressure_unit = UnitOfPressure.HPA
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_attr_native_temperature_unit = UnitOfTemperature.CELSIUS
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_attr_native_wind_speed_unit = UnitOfSpeed.KILOMETERS_PER_HOUR
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_attr_supported_features = (
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WeatherEntityFeature.FORECAST_DAILY | WeatherEntityFeature.FORECAST_HOURLY
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)
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def __init__(
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self,
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coordinator: DataUpdateCoordinator[MetEireannWeatherData],
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config: MappingProxyType[str, Any],
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hourly: bool,
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) -> None:
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"""Initialise the platform with a data instance and site."""
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super().__init__(coordinator)
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self._attr_unique_id = _calculate_unique_id(config, hourly)
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self._config = config
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self._hourly = hourly
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name_appendix = " Hourly" if hourly else ""
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if (name := self._config.get(CONF_NAME)) is not None:
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self._attr_name = f"{name}{name_appendix}"
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else:
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self._attr_name = f"{DEFAULT_NAME}{name_appendix}"
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self._attr_entity_registry_enabled_default = not hourly
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self._attr_device_info = DeviceInfo(
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name="Forecast",
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entry_type=DeviceEntryType.SERVICE,
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identifiers={(DOMAIN,)}, # type: ignore[arg-type]
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manufacturer="Met Éireann",
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model="Forecast",
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configuration_url="https://www.met.ie",
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)
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@property
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def condition(self) -> str | None:
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"""Return the current condition."""
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return format_condition(
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self.coordinator.data.current_weather_data.get("condition")
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)
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@property
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def native_temperature(self) -> float | None:
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"""Return the temperature."""
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return self.coordinator.data.current_weather_data.get("temperature")
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@property
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def native_pressure(self) -> float | None:
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"""Return the pressure."""
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return self.coordinator.data.current_weather_data.get("pressure")
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@property
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def humidity(self) -> float | None:
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"""Return the humidity."""
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return self.coordinator.data.current_weather_data.get("humidity")
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@property
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def native_wind_speed(self) -> float | None:
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"""Return the wind speed."""
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return self.coordinator.data.current_weather_data.get("wind_speed")
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@property
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def wind_bearing(self) -> float | None:
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"""Return the wind direction."""
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return self.coordinator.data.current_weather_data.get("wind_bearing")
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def _forecast(self, hourly: bool) -> list[Forecast]:
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"""Return the forecast array."""
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if hourly:
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me_forecast = self.coordinator.data.hourly_forecast
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else:
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me_forecast = self.coordinator.data.daily_forecast
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required_keys = {"temperature", "datetime"}
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ha_forecast: list[Forecast] = []
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for item in me_forecast:
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if not set(item).issuperset(required_keys):
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continue
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ha_item: Forecast = cast(
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Forecast,
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{
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k: item[v]
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for k, v in FORECAST_MAP.items()
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if item.get(v) is not None
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},
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)
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# Convert condition
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if item.get("condition"):
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ha_item[ATTR_FORECAST_CONDITION] = format_condition(item["condition"])
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# Convert timestamp to UTC string
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if item.get("datetime"):
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ha_item[ATTR_FORECAST_TIME] = dt_util.as_utc(
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item["datetime"]
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).isoformat()
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ha_forecast.append(ha_item)
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return ha_forecast
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@property
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def forecast(self) -> list[Forecast]:
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"""Return the forecast array."""
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return self._forecast(self._hourly)
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@callback
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def _async_forecast_daily(self) -> list[Forecast]:
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"""Return the daily forecast in native units."""
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return self._forecast(False)
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@callback
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def _async_forecast_hourly(self) -> list[Forecast]:
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"""Return the hourly forecast in native units."""
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return self._forecast(True)
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