core/homeassistant/components/airvisual/sensor.py

274 lines
9.0 KiB
Python

"""Support for AirVisual air quality sensors."""
from logging import getLogger
from datetime import timedelta
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (
ATTR_ATTRIBUTION,
ATTR_LATITUDE,
ATTR_LONGITUDE,
CONF_API_KEY,
CONF_LATITUDE,
CONF_LONGITUDE,
CONF_MONITORED_CONDITIONS,
CONF_SCAN_INTERVAL,
CONF_STATE,
CONF_SHOW_ON_MAP,
)
from homeassistant.helpers import aiohttp_client, config_validation as cv
from homeassistant.helpers.entity import Entity
from homeassistant.util import Throttle
_LOGGER = getLogger(__name__)
ATTR_CITY = "city"
ATTR_COUNTRY = "country"
ATTR_POLLUTANT_SYMBOL = "pollutant_symbol"
ATTR_POLLUTANT_UNIT = "pollutant_unit"
ATTR_REGION = "region"
CONF_CITY = "city"
CONF_COUNTRY = "country"
DEFAULT_ATTRIBUTION = "Data provided by AirVisual"
DEFAULT_SCAN_INTERVAL = timedelta(minutes=10)
MASS_PARTS_PER_MILLION = "ppm"
MASS_PARTS_PER_BILLION = "ppb"
VOLUME_MICROGRAMS_PER_CUBIC_METER = "µg/m3"
SENSOR_TYPE_LEVEL = "air_pollution_level"
SENSOR_TYPE_AQI = "air_quality_index"
SENSOR_TYPE_POLLUTANT = "main_pollutant"
SENSORS = [
(SENSOR_TYPE_LEVEL, "Air Pollution Level", "mdi:gauge", None),
(SENSOR_TYPE_AQI, "Air Quality Index", "mdi:chart-line", "AQI"),
(SENSOR_TYPE_POLLUTANT, "Main Pollutant", "mdi:chemical-weapon", None),
]
POLLUTANT_LEVEL_MAPPING = [
{"label": "Good", "icon": "mdi:emoticon-excited", "minimum": 0, "maximum": 50},
{"label": "Moderate", "icon": "mdi:emoticon-happy", "minimum": 51, "maximum": 100},
{
"label": "Unhealthy for sensitive groups",
"icon": "mdi:emoticon-neutral",
"minimum": 101,
"maximum": 150,
},
{"label": "Unhealthy", "icon": "mdi:emoticon-sad", "minimum": 151, "maximum": 200},
{
"label": "Very Unhealthy",
"icon": "mdi:emoticon-dead",
"minimum": 201,
"maximum": 300,
},
{"label": "Hazardous", "icon": "mdi:biohazard", "minimum": 301, "maximum": 10000},
]
POLLUTANT_MAPPING = {
"co": {"label": "Carbon Monoxide", "unit": MASS_PARTS_PER_MILLION},
"n2": {"label": "Nitrogen Dioxide", "unit": MASS_PARTS_PER_BILLION},
"o3": {"label": "Ozone", "unit": MASS_PARTS_PER_BILLION},
"p1": {"label": "PM10", "unit": VOLUME_MICROGRAMS_PER_CUBIC_METER},
"p2": {"label": "PM2.5", "unit": VOLUME_MICROGRAMS_PER_CUBIC_METER},
"s2": {"label": "Sulfur Dioxide", "unit": MASS_PARTS_PER_BILLION},
}
SENSOR_LOCALES = {"cn": "Chinese", "us": "U.S."}
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_API_KEY): cv.string,
vol.Required(CONF_MONITORED_CONDITIONS, default=list(SENSOR_LOCALES)): vol.All(
cv.ensure_list, [vol.In(SENSOR_LOCALES)]
),
vol.Inclusive(CONF_CITY, "city"): cv.string,
vol.Inclusive(CONF_COUNTRY, "city"): cv.string,
vol.Inclusive(CONF_LATITUDE, "coords"): cv.latitude,
vol.Inclusive(CONF_LONGITUDE, "coords"): cv.longitude,
vol.Optional(CONF_SHOW_ON_MAP, default=True): cv.boolean,
vol.Inclusive(CONF_STATE, "city"): cv.string,
vol.Optional(CONF_SCAN_INTERVAL, default=DEFAULT_SCAN_INTERVAL): cv.time_period,
}
)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Configure the platform and add the sensors."""
from pyairvisual import Client
city = config.get(CONF_CITY)
state = config.get(CONF_STATE)
country = config.get(CONF_COUNTRY)
latitude = config.get(CONF_LATITUDE, hass.config.latitude)
longitude = config.get(CONF_LONGITUDE, hass.config.longitude)
websession = aiohttp_client.async_get_clientsession(hass)
if city and state and country:
_LOGGER.debug(
"Using city, state, and country: %s, %s, %s", city, state, country
)
location_id = ",".join((city, state, country))
data = AirVisualData(
Client(websession, api_key=config[CONF_API_KEY]),
city=city,
state=state,
country=country,
show_on_map=config[CONF_SHOW_ON_MAP],
scan_interval=config[CONF_SCAN_INTERVAL],
)
else:
_LOGGER.debug("Using latitude and longitude: %s, %s", latitude, longitude)
location_id = ",".join((str(latitude), str(longitude)))
data = AirVisualData(
Client(websession, api_key=config[CONF_API_KEY]),
latitude=latitude,
longitude=longitude,
show_on_map=config[CONF_SHOW_ON_MAP],
scan_interval=config[CONF_SCAN_INTERVAL],
)
await data.async_update()
sensors = []
for locale in config[CONF_MONITORED_CONDITIONS]:
for kind, name, icon, unit in SENSORS:
sensors.append(
AirVisualSensor(data, kind, name, icon, unit, locale, location_id)
)
async_add_entities(sensors, True)
class AirVisualSensor(Entity):
"""Define an AirVisual sensor."""
def __init__(self, airvisual, kind, name, icon, unit, locale, location_id):
"""Initialize."""
self._attrs = {ATTR_ATTRIBUTION: DEFAULT_ATTRIBUTION}
self._icon = icon
self._locale = locale
self._location_id = location_id
self._name = name
self._state = None
self._type = kind
self._unit = unit
self.airvisual = airvisual
@property
def device_state_attributes(self):
"""Return the device state attributes."""
if self.airvisual.show_on_map:
self._attrs[ATTR_LATITUDE] = self.airvisual.latitude
self._attrs[ATTR_LONGITUDE] = self.airvisual.longitude
else:
self._attrs["lati"] = self.airvisual.latitude
self._attrs["long"] = self.airvisual.longitude
return self._attrs
@property
def available(self):
"""Return True if entity is available."""
return bool(self.airvisual.pollution_info)
@property
def icon(self):
"""Return the icon."""
return self._icon
@property
def name(self):
"""Return the name."""
return "{0} {1}".format(SENSOR_LOCALES[self._locale], self._name)
@property
def state(self):
"""Return the state."""
return self._state
@property
def unique_id(self):
"""Return a unique, HASS-friendly identifier for this entity."""
return f"{self._location_id}_{self._locale}_{self._type}"
@property
def unit_of_measurement(self):
"""Return the unit the value is expressed in."""
return self._unit
async def async_update(self):
"""Update the sensor."""
await self.airvisual.async_update()
data = self.airvisual.pollution_info
if not data:
return
if self._type == SENSOR_TYPE_LEVEL:
aqi = data[f"aqi{self._locale}"]
[level] = [
i
for i in POLLUTANT_LEVEL_MAPPING
if i["minimum"] <= aqi <= i["maximum"]
]
self._state = level["label"]
self._icon = level["icon"]
elif self._type == SENSOR_TYPE_AQI:
self._state = data[f"aqi{self._locale}"]
elif self._type == SENSOR_TYPE_POLLUTANT:
symbol = data[f"main{self._locale}"]
self._state = POLLUTANT_MAPPING[symbol]["label"]
self._attrs.update(
{
ATTR_POLLUTANT_SYMBOL: symbol,
ATTR_POLLUTANT_UNIT: POLLUTANT_MAPPING[symbol]["unit"],
}
)
class AirVisualData:
"""Define an object to hold sensor data."""
def __init__(self, client, **kwargs):
"""Initialize."""
self._client = client
self.city = kwargs.get(CONF_CITY)
self.country = kwargs.get(CONF_COUNTRY)
self.latitude = kwargs.get(CONF_LATITUDE)
self.longitude = kwargs.get(CONF_LONGITUDE)
self.pollution_info = {}
self.show_on_map = kwargs.get(CONF_SHOW_ON_MAP)
self.state = kwargs.get(CONF_STATE)
self.async_update = Throttle(kwargs[CONF_SCAN_INTERVAL])(self._async_update)
async def _async_update(self):
"""Update AirVisual data."""
from pyairvisual.errors import AirVisualError
try:
if self.city and self.state and self.country:
resp = await self._client.api.city(self.city, self.state, self.country)
self.longitude, self.latitude = resp["location"]["coordinates"]
else:
resp = await self._client.api.nearest_city(
self.latitude, self.longitude
)
_LOGGER.debug("New data retrieved: %s", resp)
self.pollution_info = resp["current"]["pollution"]
except (KeyError, AirVisualError) as err:
if self.city and self.state and self.country:
location = (self.city, self.state, self.country)
else:
location = (self.latitude, self.longitude)
_LOGGER.error("Can't retrieve data for location: %s (%s)", location, err)
self.pollution_info = {}