core/homeassistant/components/accuweather/__init__.py

133 lines
4.3 KiB
Python

"""The AccuWeather component."""
import asyncio
from datetime import timedelta
import logging
from accuweather import AccuWeather, ApiError, InvalidApiKeyError, RequestsExceededError
from aiohttp.client_exceptions import ClientConnectorError
from async_timeout import timeout
from homeassistant.const import CONF_API_KEY
from homeassistant.core import Config, HomeAssistant
from homeassistant.exceptions import ConfigEntryNotReady
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import (
ATTR_FORECAST,
CONF_FORECAST,
COORDINATOR,
DOMAIN,
UNDO_UPDATE_LISTENER,
)
_LOGGER = logging.getLogger(__name__)
PLATFORMS = ["sensor", "weather"]
async def async_setup(hass: HomeAssistant, config: Config) -> bool:
"""Set up configured AccuWeather."""
hass.data.setdefault(DOMAIN, {})
return True
async def async_setup_entry(hass, config_entry) -> bool:
"""Set up AccuWeather as config entry."""
api_key = config_entry.data[CONF_API_KEY]
location_key = config_entry.unique_id
forecast = config_entry.options.get(CONF_FORECAST, False)
_LOGGER.debug("Using location_key: %s, get forecast: %s", location_key, forecast)
websession = async_get_clientsession(hass)
coordinator = AccuWeatherDataUpdateCoordinator(
hass, websession, api_key, location_key, forecast
)
await coordinator.async_refresh()
if not coordinator.last_update_success:
raise ConfigEntryNotReady
undo_listener = config_entry.add_update_listener(update_listener)
hass.data[DOMAIN][config_entry.entry_id] = {
COORDINATOR: coordinator,
UNDO_UPDATE_LISTENER: undo_listener,
}
for component in PLATFORMS:
hass.async_create_task(
hass.config_entries.async_forward_entry_setup(config_entry, component)
)
return True
async def async_unload_entry(hass, config_entry):
"""Unload a config entry."""
unload_ok = all(
await asyncio.gather(
*[
hass.config_entries.async_forward_entry_unload(config_entry, component)
for component in PLATFORMS
]
)
)
hass.data[DOMAIN][config_entry.entry_id][UNDO_UPDATE_LISTENER]()
if unload_ok:
hass.data[DOMAIN].pop(config_entry.entry_id)
return unload_ok
async def update_listener(hass, config_entry):
"""Update listener."""
await hass.config_entries.async_reload(config_entry.entry_id)
class AccuWeatherDataUpdateCoordinator(DataUpdateCoordinator):
"""Class to manage fetching AccuWeather data API."""
def __init__(self, hass, session, api_key, location_key, forecast: bool):
"""Initialize."""
self.location_key = location_key
self.forecast = forecast
self.is_metric = hass.config.units.is_metric
self.accuweather = AccuWeather(api_key, session, location_key=self.location_key)
# Enabling the forecast download increases the number of requests per data
# update, we use 32 minutes for current condition only and 64 minutes for
# current condition and forecast as update interval to not exceed allowed number
# of requests. We have 50 requests allowed per day, so we use 45 and leave 5 as
# a reserve for restarting HA.
update_interval = (
timedelta(minutes=64) if self.forecast else timedelta(minutes=32)
)
_LOGGER.debug("Data will be update every %s", update_interval)
super().__init__(hass, _LOGGER, name=DOMAIN, update_interval=update_interval)
async def _async_update_data(self):
"""Update data via library."""
try:
async with timeout(10):
current = await self.accuweather.async_get_current_conditions()
forecast = (
await self.accuweather.async_get_forecast(metric=self.is_metric)
if self.forecast
else {}
)
except (
ApiError,
ClientConnectorError,
InvalidApiKeyError,
RequestsExceededError,
) as error:
raise UpdateFailed(error)
_LOGGER.debug("Requests remaining: %s", self.accuweather.requests_remaining)
return {**current, **{ATTR_FORECAST: forecast}}