core/homeassistant/components/opensensemap/air_quality.py

107 lines
3.0 KiB
Python

"""Support for openSenseMap Air Quality data."""
from __future__ import annotations
from datetime import timedelta
import logging
from opensensemap_api import OpenSenseMap
from opensensemap_api.exceptions import OpenSenseMapError
import voluptuous as vol
from homeassistant.components.air_quality import (
PLATFORM_SCHEMA as AIR_QUALITY_PLATFORM_SCHEMA,
AirQualityEntity,
)
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import PlatformNotReady
from homeassistant.helpers.aiohttp_client import async_get_clientsession
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from homeassistant.util import Throttle
_LOGGER = logging.getLogger(__name__)
CONF_STATION_ID = "station_id"
SCAN_INTERVAL = timedelta(minutes=10)
PLATFORM_SCHEMA = AIR_QUALITY_PLATFORM_SCHEMA.extend(
{vol.Required(CONF_STATION_ID): cv.string, vol.Optional(CONF_NAME): cv.string}
)
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the openSenseMap air quality platform."""
name = config.get(CONF_NAME)
station_id = config[CONF_STATION_ID]
session = async_get_clientsession(hass)
osm_api = OpenSenseMapData(OpenSenseMap(station_id, session))
await osm_api.async_update()
if "name" not in osm_api.api.data:
_LOGGER.error("Station %s is not available", station_id)
raise PlatformNotReady
station_name = osm_api.api.data["name"] if name is None else name
async_add_entities([OpenSenseMapQuality(station_name, osm_api)], True)
class OpenSenseMapQuality(AirQualityEntity):
"""Implementation of an openSenseMap air quality entity."""
_attr_attribution = "Data provided by openSenseMap"
def __init__(self, name, osm):
"""Initialize the air quality entity."""
self._name = name
self._osm = osm
@property
def name(self):
"""Return the name of the air quality entity."""
return self._name
@property
def particulate_matter_2_5(self):
"""Return the particulate matter 2.5 level."""
return self._osm.api.pm2_5
@property
def particulate_matter_10(self):
"""Return the particulate matter 10 level."""
return self._osm.api.pm10
async def async_update(self):
"""Get the latest data from the openSenseMap API."""
await self._osm.async_update()
class OpenSenseMapData:
"""Get the latest data and update the states."""
def __init__(self, api):
"""Initialize the data object."""
self.api = api
@Throttle(SCAN_INTERVAL)
async def async_update(self):
"""Get the latest data from the Pi-hole."""
try:
await self.api.get_data()
except OpenSenseMapError as err:
_LOGGER.error("Unable to fetch data: %s", err)