core/homeassistant/components/openweathermap/sensor.py

225 lines
7.4 KiB
Python

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