coordinator.py

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"""DataUpdateCoordinator for the co2signal integration."""
 
from __future__ import annotations
 
from datetime import timedelta
import logging
 
from aioelectricitymaps import (
    CarbonIntensityResponse,
    ElectricityMaps,
    ElectricityMapsError,
    ElectricityMapsInvalidTokenError,
)
 
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryAuthFailed
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
from .const import DOMAIN
from .helpers import fetch_latest_carbon_intensity
 
_LOGGER = logging.getLogger(__name__)
 
 
class CO2SignalCoordinator(DataUpdateCoordinator[CarbonIntensityResponse]):
    """Data update coordinator."""
 
    config_entry: ConfigEntry
 
    def __init__(self, hass: HomeAssistant, client: ElectricityMaps) -> None:
        """Initialize the coordinator."""
        super().__init__(
            hass, _LOGGER, name=DOMAIN, update_interval=timedelta(minutes=15)
        )
        self.clientclient = client
 
    @property
    def entry_id(self) -> str:
        """Return entry ID."""
        return self.config_entryconfig_entry.entry_id
 
    async def _async_update_data(self) -> CarbonIntensityResponse:
        """Fetch the latest data from the source."""
 
        try:
            return await fetch_latest_carbon_intensity(
                self.hasshass, self.clientclient, self.config_entryconfig_entry.data
            )
        except ElectricityMapsInvalidTokenError as err:
            raise ConfigEntryAuthFailed from err
        except ElectricityMapsError as err:
            raise UpdateFailed(str(err)) from err