core/homeassistant/components/nws/__init__.py

123 lines
3.8 KiB
Python

"""The National Weather Service integration."""
import asyncio
import datetime
import logging
from pynws import SimpleNWS
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE
from homeassistant.core import HomeAssistant
from homeassistant.helpers import debounce
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
from .const import (
CONF_STATION,
COORDINATOR_FORECAST,
COORDINATOR_FORECAST_HOURLY,
COORDINATOR_OBSERVATION,
DOMAIN,
NWS_DATA,
)
_LOGGER = logging.getLogger(__name__)
PLATFORMS = ["weather"]
DEFAULT_SCAN_INTERVAL = datetime.timedelta(minutes=10)
DEBOUNCE_TIME = 60 # in seconds
def base_unique_id(latitude, longitude):
"""Return unique id for entries in configuration."""
return f"{latitude}_{longitude}"
async def async_setup(hass: HomeAssistant, config: dict):
"""Set up the National Weather Service (NWS) component."""
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
"""Set up a National Weather Service entry."""
latitude = entry.data[CONF_LATITUDE]
longitude = entry.data[CONF_LONGITUDE]
api_key = entry.data[CONF_API_KEY]
station = entry.data[CONF_STATION]
client_session = async_get_clientsession(hass)
# set_station only does IO when station is None
nws_data = SimpleNWS(latitude, longitude, api_key, client_session)
await nws_data.set_station(station)
coordinator_observation = DataUpdateCoordinator(
hass,
_LOGGER,
name=f"NWS observation station {station}",
update_method=nws_data.update_observation,
update_interval=DEFAULT_SCAN_INTERVAL,
request_refresh_debouncer=debounce.Debouncer(
hass, _LOGGER, cooldown=DEBOUNCE_TIME, immediate=True
),
)
coordinator_forecast = DataUpdateCoordinator(
hass,
_LOGGER,
name=f"NWS forecast station {station}",
update_method=nws_data.update_forecast,
update_interval=DEFAULT_SCAN_INTERVAL,
request_refresh_debouncer=debounce.Debouncer(
hass, _LOGGER, cooldown=DEBOUNCE_TIME, immediate=True
),
)
coordinator_forecast_hourly = DataUpdateCoordinator(
hass,
_LOGGER,
name=f"NWS forecast hourly station {station}",
update_method=nws_data.update_forecast_hourly,
update_interval=DEFAULT_SCAN_INTERVAL,
request_refresh_debouncer=debounce.Debouncer(
hass, _LOGGER, cooldown=DEBOUNCE_TIME, immediate=True
),
)
nws_hass_data = hass.data.setdefault(DOMAIN, {})
nws_hass_data[entry.entry_id] = {
NWS_DATA: nws_data,
COORDINATOR_OBSERVATION: coordinator_observation,
COORDINATOR_FORECAST: coordinator_forecast,
COORDINATOR_FORECAST_HOURLY: coordinator_forecast_hourly,
}
# Fetch initial data so we have data when entities subscribe
await coordinator_observation.async_refresh()
await coordinator_forecast.async_refresh()
await coordinator_forecast_hourly.async_refresh()
for component in PLATFORMS:
hass.async_create_task(
hass.config_entries.async_forward_entry_setup(entry, component)
)
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
"""Unload a config entry."""
unload_ok = all(
await asyncio.gather(
*[
hass.config_entries.async_forward_entry_unload(entry, component)
for component in PLATFORMS
]
)
)
if unload_ok:
hass.data[DOMAIN].pop(entry.entry_id)
if len(hass.data[DOMAIN]) == 0:
hass.data.pop(DOMAIN)
return unload_ok