mirror of https://github.com/home-assistant/core
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
"""UK Environment Agency Flood Monitoring Integration."""
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import asyncio
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from datetime import timedelta
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import logging
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from typing import Any
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from aioeafm import get_station
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import Platform
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from homeassistant.core import HomeAssistant
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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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PLATFORMS = [Platform.SENSOR]
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_LOGGER = logging.getLogger(__name__)
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type EafmConfigEntry = ConfigEntry[EafmCoordinator]
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def _get_measures(station_data: dict[str, Any]) -> list[dict[str, Any]]:
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"""Force measure key to always be a list."""
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if "measures" not in station_data:
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return []
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if isinstance(station_data["measures"], dict):
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return [station_data["measures"]]
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return station_data["measures"]
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class EafmCoordinator(DataUpdateCoordinator[dict[str, dict[str, Any]]]):
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"""Class to manage fetching UK Flood Monitoring data."""
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def __init__(self, hass: HomeAssistant, entry: EafmConfigEntry) -> None:
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"""Initialize."""
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self._station_key = entry.data["station"]
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self._session = async_get_clientsession(hass=hass)
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super().__init__(
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hass,
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_LOGGER,
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config_entry=entry,
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name="sensor",
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update_interval=timedelta(seconds=15 * 60),
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)
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async def _async_update_data(self) -> dict[str, dict[str, Any]]:
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"""Fetch the latest data from the source."""
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# DataUpdateCoordinator will handle aiohttp ClientErrors and timeouts
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async with asyncio.timeout(30):
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data = await get_station(self._session, self._station_key)
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measures = _get_measures(data)
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# Turn data.measures into a dict rather than a list so easier for entities to
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# find themselves.
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data["measures"] = {measure["@id"]: measure for measure in measures}
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return data
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