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