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mirror of https://github.com/home-assistant/core synced 2024-08-28 03:36:46 +02:00
ha-core/homeassistant/components/zamg/coordinator.py
2023-02-02 18:35:24 +01:00

53 lines
1.8 KiB
Python

"""Data Update coordinator for ZAMG weather data."""
from __future__ import annotations
from zamg import ZamgData as ZamgDevice
from zamg.exceptions import ZamgError, ZamgNoDataError
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import CONF_STATION_ID, DOMAIN, LOGGER, MIN_TIME_BETWEEN_UPDATES
class ZamgDataUpdateCoordinator(DataUpdateCoordinator[ZamgDevice]):
"""Class to manage fetching ZAMG weather data."""
config_entry: ConfigEntry
data: dict = {}
api_fields: list[str] | None = None
def __init__(
self,
hass: HomeAssistant,
*,
entry: ConfigEntry,
) -> None:
"""Initialize global ZAMG data updater."""
self.zamg = ZamgDevice(session=async_get_clientsession(hass))
self.zamg.set_default_station(entry.data[CONF_STATION_ID])
super().__init__(
hass,
LOGGER,
name=DOMAIN,
update_interval=MIN_TIME_BETWEEN_UPDATES,
)
async def _async_update_data(self) -> ZamgDevice:
"""Fetch data from ZAMG api."""
try:
if self.api_fields:
self.zamg.set_parameters(self.api_fields)
self.zamg.request_timeout = 60.0
device = await self.zamg.update()
except ZamgNoDataError as error:
raise UpdateFailed("No response from API") from error
except ZamgError as error:
raise UpdateFailed(f"Invalid response from API: {error}") from error
self.data = device
self.data["last_update"] = self.zamg.last_update
self.data["Name"] = self.zamg.get_station_name
return device