225 lines
7.4 KiB
Python
225 lines
7.4 KiB
Python
"""Support for the OpenWeatherMap (OWM) service."""
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from datetime import timedelta
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import logging
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from pyowm import OWM
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from pyowm.exceptions.api_call_error import APICallError
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (
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ATTR_ATTRIBUTION,
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CONF_API_KEY,
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CONF_MONITORED_CONDITIONS,
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CONF_NAME,
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SPEED_METERS_PER_SECOND,
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TEMP_CELSIUS,
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TEMP_FAHRENHEIT,
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UNIT_PERCENTAGE,
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)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import Throttle
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_LOGGER = logging.getLogger(__name__)
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ATTRIBUTION = "Data provided by OpenWeatherMap"
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CONF_FORECAST = "forecast"
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CONF_LANGUAGE = "language"
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DEFAULT_NAME = "OWM"
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=120)
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SENSOR_TYPES = {
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"weather": ["Condition", None],
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"temperature": ["Temperature", None],
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"wind_speed": ["Wind speed", SPEED_METERS_PER_SECOND],
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"wind_bearing": ["Wind bearing", "°"],
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"humidity": ["Humidity", UNIT_PERCENTAGE],
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"pressure": ["Pressure", "mbar"],
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"clouds": ["Cloud coverage", UNIT_PERCENTAGE],
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"rain": ["Rain", "mm"],
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"snow": ["Snow", "mm"],
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"weather_code": ["Weather code", None],
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}
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_API_KEY): cv.string,
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vol.Optional(CONF_MONITORED_CONDITIONS, default=[]): vol.All(
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cv.ensure_list, [vol.In(SENSOR_TYPES)]
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),
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_FORECAST, default=False): cv.boolean,
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vol.Optional(CONF_LANGUAGE): cv.string,
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}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the OpenWeatherMap sensor."""
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if None in (hass.config.latitude, hass.config.longitude):
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_LOGGER.error("Latitude or longitude not set in Home Assistant config")
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return
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SENSOR_TYPES["temperature"][1] = hass.config.units.temperature_unit
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name = config.get(CONF_NAME)
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forecast = config.get(CONF_FORECAST)
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language = config.get(CONF_LANGUAGE)
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if isinstance(language, str):
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language = language.lower()[:2]
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owm = OWM(API_key=config.get(CONF_API_KEY), language=language)
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if not owm:
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_LOGGER.error("Unable to connect to OpenWeatherMap")
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return
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data = WeatherData(owm, forecast, hass.config.latitude, hass.config.longitude)
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dev = []
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for variable in config[CONF_MONITORED_CONDITIONS]:
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dev.append(
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OpenWeatherMapSensor(name, data, variable, SENSOR_TYPES[variable][1])
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)
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if forecast:
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SENSOR_TYPES["forecast"] = ["Forecast", None]
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dev.append(
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OpenWeatherMapSensor(name, data, "forecast", SENSOR_TYPES["temperature"][1])
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)
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add_entities(dev, True)
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class OpenWeatherMapSensor(Entity):
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"""Implementation of an OpenWeatherMap sensor."""
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def __init__(self, name, weather_data, sensor_type, temp_unit):
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"""Initialize the sensor."""
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self.client_name = name
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self._name = SENSOR_TYPES[sensor_type][0]
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self.owa_client = weather_data
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self.temp_unit = temp_unit
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self.type = sensor_type
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self._state = None
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self._unit_of_measurement = SENSOR_TYPES[sensor_type][1]
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@property
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def name(self):
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"""Return the name of the sensor."""
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return f"{self.client_name} {self._name}"
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@property
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def state(self):
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"""Return the state of the device."""
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return self._state
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement of this entity, if any."""
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return self._unit_of_measurement
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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return {ATTR_ATTRIBUTION: ATTRIBUTION}
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def update(self):
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"""Get the latest data from OWM and updates the states."""
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try:
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self.owa_client.update()
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except APICallError:
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_LOGGER.error("Error when calling API to update data")
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return
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data = self.owa_client.data
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fc_data = self.owa_client.fc_data
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if data is None:
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return
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try:
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if self.type == "weather":
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self._state = data.get_detailed_status()
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elif self.type == "temperature":
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if self.temp_unit == TEMP_CELSIUS:
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self._state = round(data.get_temperature("celsius")["temp"], 1)
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elif self.temp_unit == TEMP_FAHRENHEIT:
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self._state = round(data.get_temperature("fahrenheit")["temp"], 1)
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else:
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self._state = round(data.get_temperature()["temp"], 1)
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elif self.type == "wind_speed":
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self._state = round(data.get_wind()["speed"], 1)
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elif self.type == "wind_bearing":
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self._state = round(data.get_wind()["deg"], 1)
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elif self.type == "humidity":
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self._state = round(data.get_humidity(), 1)
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elif self.type == "pressure":
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self._state = round(data.get_pressure()["press"], 0)
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elif self.type == "clouds":
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self._state = data.get_clouds()
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elif self.type == "rain":
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if data.get_rain():
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self._state = round(data.get_rain()["3h"], 0)
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self._unit_of_measurement = "mm"
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else:
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self._state = "not raining"
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self._unit_of_measurement = ""
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elif self.type == "snow":
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if data.get_snow():
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self._state = round(data.get_snow(), 0)
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self._unit_of_measurement = "mm"
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else:
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self._state = "not snowing"
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self._unit_of_measurement = ""
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elif self.type == "forecast":
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if fc_data is None:
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return
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self._state = fc_data.get_weathers()[0].get_detailed_status()
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elif self.type == "weather_code":
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self._state = data.get_weather_code()
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except KeyError:
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self._state = None
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_LOGGER.warning("Condition is currently not available: %s", self.type)
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class WeatherData:
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"""Get the latest data from OpenWeatherMap."""
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def __init__(self, owm, forecast, latitude, longitude):
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"""Initialize the data object."""
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self.owm = owm
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self.forecast = forecast
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self.latitude = latitude
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self.longitude = longitude
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self.data = None
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self.fc_data = None
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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def update(self):
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"""Get the latest data from OpenWeatherMap."""
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try:
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obs = self.owm.weather_at_coords(self.latitude, self.longitude)
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except (APICallError, TypeError):
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_LOGGER.error("Error when calling API to get weather at coordinates")
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obs = None
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if obs is None:
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_LOGGER.warning("Failed to fetch data")
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return
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self.data = obs.get_weather()
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if self.forecast == 1:
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try:
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obs = self.owm.three_hours_forecast_at_coords(
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self.latitude, self.longitude
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)
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self.fc_data = obs.get_forecast()
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except (ConnectionResetError, TypeError):
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_LOGGER.warning("Failed to fetch forecast")
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