307 lines
9.4 KiB
Python
307 lines
9.4 KiB
Python
"""Support for NWS weather service."""
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from homeassistant.components.weather import (
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ATTR_CONDITION_CLEAR_NIGHT,
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ATTR_CONDITION_SUNNY,
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ATTR_FORECAST_CONDITION,
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ATTR_FORECAST_NATIVE_TEMP,
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ATTR_FORECAST_NATIVE_WIND_SPEED,
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ATTR_FORECAST_PRECIPITATION_PROBABILITY,
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ATTR_FORECAST_TIME,
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ATTR_FORECAST_WIND_BEARING,
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WeatherEntity,
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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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LENGTH_METERS,
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PRESSURE_PA,
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SPEED_KILOMETERS_PER_HOUR,
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SPEED_MILES_PER_HOUR,
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TEMP_CELSIUS,
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TEMP_FAHRENHEIT,
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)
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from homeassistant.core import HomeAssistant, callback
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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.util.dt import utcnow
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from homeassistant.util.unit_conversion import SpeedConverter, TemperatureConverter
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from . import base_unique_id, device_info
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from .const import (
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ATTR_FORECAST_DAYTIME,
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ATTR_FORECAST_DETAILED_DESCRIPTION,
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ATTRIBUTION,
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CONDITION_CLASSES,
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COORDINATOR_FORECAST,
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COORDINATOR_FORECAST_HOURLY,
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COORDINATOR_OBSERVATION,
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DAYNIGHT,
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DOMAIN,
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FORECAST_VALID_TIME,
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HOURLY,
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NWS_DATA,
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OBSERVATION_VALID_TIME,
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)
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PARALLEL_UPDATES = 0
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def convert_condition(time, weather):
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"""
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Convert NWS codes to HA condition.
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Choose first condition in CONDITION_CLASSES that exists in weather code.
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If no match is found, return first condition from NWS
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"""
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conditions = [w[0] for w in weather]
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prec_probs = [w[1] or 0 for w in weather]
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# Choose condition with highest priority.
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cond = next(
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(
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key
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for key, value in CONDITION_CLASSES.items()
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if any(condition in value for condition in conditions)
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),
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conditions[0],
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)
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if cond == "clear":
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if time == "day":
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return ATTR_CONDITION_SUNNY, max(prec_probs)
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if time == "night":
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return ATTR_CONDITION_CLEAR_NIGHT, max(prec_probs)
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return cond, max(prec_probs)
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async def async_setup_entry(
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hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
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) -> None:
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"""Set up the NWS weather platform."""
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hass_data = hass.data[DOMAIN][entry.entry_id]
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async_add_entities(
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[
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NWSWeather(entry.data, hass_data, DAYNIGHT, hass.config.units),
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NWSWeather(entry.data, hass_data, HOURLY, hass.config.units),
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],
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False,
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)
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class NWSWeather(WeatherEntity):
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"""Representation of a weather condition."""
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_attr_should_poll = False
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def __init__(self, entry_data, hass_data, mode, units):
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"""Initialise the platform with a data instance and station name."""
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self.nws = hass_data[NWS_DATA]
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self.latitude = entry_data[CONF_LATITUDE]
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self.longitude = entry_data[CONF_LONGITUDE]
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self.coordinator_observation = hass_data[COORDINATOR_OBSERVATION]
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if mode == DAYNIGHT:
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self.coordinator_forecast = hass_data[COORDINATOR_FORECAST]
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else:
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self.coordinator_forecast = hass_data[COORDINATOR_FORECAST_HOURLY]
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self.station = self.nws.station
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self.mode = mode
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self.observation = None
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self._forecast = None
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async def async_added_to_hass(self) -> None:
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"""Set up a listener and load data."""
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self.async_on_remove(
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self.coordinator_observation.async_add_listener(self._update_callback)
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)
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self.async_on_remove(
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self.coordinator_forecast.async_add_listener(self._update_callback)
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)
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self._update_callback()
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@callback
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def _update_callback(self) -> None:
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"""Load data from integration."""
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self.observation = self.nws.observation
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if self.mode == DAYNIGHT:
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self._forecast = self.nws.forecast
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else:
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self._forecast = self.nws.forecast_hourly
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self.async_write_ha_state()
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@property
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def attribution(self):
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"""Return the attribution."""
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return ATTRIBUTION
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@property
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def name(self):
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"""Return the name of the station."""
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return f"{self.station} {self.mode.title()}"
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@property
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def native_temperature(self):
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"""Return the current temperature."""
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if self.observation:
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return self.observation.get("temperature")
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return None
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@property
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def native_temperature_unit(self):
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"""Return the current temperature unit."""
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return TEMP_CELSIUS
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@property
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def native_pressure(self):
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"""Return the current pressure."""
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if self.observation:
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return self.observation.get("seaLevelPressure")
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return None
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@property
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def native_pressure_unit(self):
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"""Return the current pressure unit."""
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return PRESSURE_PA
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@property
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def humidity(self):
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"""Return the name of the sensor."""
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if self.observation:
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return self.observation.get("relativeHumidity")
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return None
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@property
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def native_wind_speed(self):
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"""Return the current windspeed."""
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if self.observation:
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return self.observation.get("windSpeed")
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return None
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@property
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def native_wind_speed_unit(self):
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"""Return the current windspeed."""
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return SPEED_KILOMETERS_PER_HOUR
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@property
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def wind_bearing(self):
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"""Return the current wind bearing (degrees)."""
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if self.observation:
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return self.observation.get("windDirection")
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return None
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@property
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def condition(self):
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"""Return current condition."""
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weather = None
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if self.observation:
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weather = self.observation.get("iconWeather")
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time = self.observation.get("iconTime")
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if weather:
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cond, _ = convert_condition(time, weather)
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return cond
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return None
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@property
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def native_visibility(self):
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"""Return visibility."""
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if self.observation:
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return self.observation.get("visibility")
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return None
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@property
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def native_visibility_unit(self):
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"""Return visibility unit."""
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return LENGTH_METERS
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@property
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def forecast(self):
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"""Return forecast."""
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if self._forecast is None:
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return None
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forecast = []
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for forecast_entry in self._forecast:
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data = {
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ATTR_FORECAST_DETAILED_DESCRIPTION: forecast_entry.get(
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"detailedForecast"
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),
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ATTR_FORECAST_TIME: forecast_entry.get("startTime"),
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}
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if (temp := forecast_entry.get("temperature")) is not None:
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data[ATTR_FORECAST_NATIVE_TEMP] = TemperatureConverter.convert(
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temp, TEMP_FAHRENHEIT, TEMP_CELSIUS
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)
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else:
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data[ATTR_FORECAST_NATIVE_TEMP] = None
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if self.mode == DAYNIGHT:
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data[ATTR_FORECAST_DAYTIME] = forecast_entry.get("isDaytime")
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time = forecast_entry.get("iconTime")
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weather = forecast_entry.get("iconWeather")
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if time and weather:
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cond, precip = convert_condition(time, weather)
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else:
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cond, precip = None, None
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data[ATTR_FORECAST_CONDITION] = cond
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data[ATTR_FORECAST_PRECIPITATION_PROBABILITY] = precip
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data[ATTR_FORECAST_WIND_BEARING] = forecast_entry.get("windBearing")
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wind_speed = forecast_entry.get("windSpeedAvg")
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if wind_speed is not None:
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data[ATTR_FORECAST_NATIVE_WIND_SPEED] = SpeedConverter.convert(
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wind_speed, SPEED_MILES_PER_HOUR, SPEED_KILOMETERS_PER_HOUR
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)
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else:
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data[ATTR_FORECAST_NATIVE_WIND_SPEED] = None
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forecast.append(data)
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return forecast
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@property
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def unique_id(self):
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"""Return a unique_id for this entity."""
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return f"{base_unique_id(self.latitude, self.longitude)}_{self.mode}"
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@property
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def available(self) -> bool:
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"""Return if state is available."""
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last_success = (
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self.coordinator_observation.last_update_success
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and self.coordinator_forecast.last_update_success
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)
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if (
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self.coordinator_observation.last_update_success_time
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and self.coordinator_forecast.last_update_success_time
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):
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last_success_time = (
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utcnow() - self.coordinator_observation.last_update_success_time
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< OBSERVATION_VALID_TIME
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and utcnow() - self.coordinator_forecast.last_update_success_time
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< FORECAST_VALID_TIME
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)
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else:
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last_success_time = False
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return last_success or last_success_time
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async def async_update(self) -> None:
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"""Update the entity.
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Only used by the generic entity update service.
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"""
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await self.coordinator_observation.async_request_refresh()
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await self.coordinator_forecast.async_request_refresh()
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@property
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def entity_registry_enabled_default(self) -> bool:
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"""Return if the entity should be enabled when first added to the entity registry."""
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return self.mode == DAYNIGHT
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@property
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def device_info(self) -> DeviceInfo:
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"""Return device info."""
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return device_info(self.latitude, self.longitude)
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