core/homeassistant/components/co2signal/coordinator.py

54 lines
1.6 KiB
Python

"""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.client = client
@property
def entry_id(self) -> str:
"""Return entry ID."""
return self.config_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.hass, self.client, self.config_entry.data
)
except ElectricityMapsInvalidTokenError as err:
raise ConfigEntryAuthFailed from err
except ElectricityMapsError as err:
raise UpdateFailed(str(err)) from err