157 lines
4.6 KiB
Python
157 lines
4.6 KiB
Python
"""
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Support for the OpenWeatherMap (OWM) service.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/weather.openweathermap/
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"""
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import logging
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from datetime import timedelta
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import voluptuous as vol
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from homeassistant.components.weather import WeatherEntity, PLATFORM_SCHEMA
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from homeassistant.const import (
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CONF_API_KEY, CONF_NAME, CONF_LATITUDE, CONF_LONGITUDE, STATE_UNKNOWN)
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import homeassistant.helpers.config_validation as cv
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from homeassistant.util import Throttle
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REQUIREMENTS = ['pyowm==2.5.0']
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = 'OpenWeatherMap'
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ATTRIBUTION = 'Data provided by OpenWeatherMap'
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MIN_TIME_BETWEEN_UPDATES = timedelta(minutes=10)
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CONDITION_CLASSES = {
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'cloudy': [804],
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'fog': [701, 741],
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'hail': [906],
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'lightning': [210, 211, 212, 221],
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'lightning-rainy': [200, 201, 202, 230, 231, 232],
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'partlycloudy': [801, 802, 803],
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'pouring': [504, 314, 502, 503, 522],
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'rainy': [300, 301, 302, 310, 311, 312, 313, 500, 501, 520, 521],
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'snowy': [600, 601, 602, 611, 612, 620, 621, 622],
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'snowy-rainy': [511, 615, 616],
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'sunny': [800],
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'windy': [905, 951, 952, 953, 954, 955, 956, 957],
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'windy-variant': [958, 959, 960, 961],
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'exceptional': [711, 721, 731, 751, 761, 762, 771, 900, 901, 962, 903,
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904],
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}
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_API_KEY): cv.string,
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vol.Optional(CONF_LATITUDE): cv.latitude,
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vol.Optional(CONF_LONGITUDE): cv.longitude,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the OpenWeatherMap weather platform."""
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import pyowm
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longitude = config.get(CONF_LONGITUDE, round(hass.config.longitude, 5))
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latitude = config.get(CONF_LATITUDE, round(hass.config.latitude, 5))
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name = config.get(CONF_NAME)
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try:
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owm = pyowm.OWM(config.get(CONF_API_KEY))
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except pyowm.exceptions.api_call_error.APICallError:
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_LOGGER.error("Error while connecting to OpenWeatherMap")
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return False
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data = WeatherData(owm, latitude, longitude)
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add_devices([OpenWeatherMapWeather(
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name, data, hass.config.units.temperature_unit)], True)
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class OpenWeatherMapWeather(WeatherEntity):
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"""Implementation of an OpenWeatherMap sensor."""
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def __init__(self, name, owm, temperature_unit):
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"""Initialize the sensor."""
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self._name = name
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self._owm = owm
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self._temperature_unit = temperature_unit
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self.data = None
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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 self._name
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@property
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def condition(self):
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"""Return the current condition."""
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try:
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return [k for k, v in CONDITION_CLASSES.items() if
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self.data.get_weather_code() in v][0]
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except IndexError:
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return STATE_UNKNOWN
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@property
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def temperature(self):
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"""Return the temperature."""
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return self.data.get_temperature('celsius').get('temp')
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@property
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def temperature_unit(self):
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"""Return the unit of measurement."""
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return self._temperature_unit
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@property
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def pressure(self):
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"""Return the pressure."""
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return self.data.get_pressure().get('press')
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@property
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def humidity(self):
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"""Return the humidity."""
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return self.data.get_humidity()
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@property
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def wind_speed(self):
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"""Return the wind speed."""
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return self.data.get_wind().get('speed')
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@property
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def wind_bearing(self):
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"""Return the wind bearing."""
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return self.data.get_wind().get('deg')
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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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def update(self):
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"""Get the latest data from OWM and updates the states."""
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self._owm.update()
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self.data = self._owm.data
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class WeatherData(object):
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"""Get the latest data from OpenWeatherMap."""
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def __init__(self, owm, latitude, longitude):
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"""Initialize the data object."""
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self.owm = owm
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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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@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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obs = self.owm.weather_at_coords(self.latitude, self.longitude)
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if obs is None:
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_LOGGER.warning("Failed to fetch data from OWM")
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return
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self.data = obs.get_weather()
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