coordinator.py

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"""DataUpdateCoordinator for the PVOutput integration."""
 
from __future__ import annotations
 
from pvo import PVOutput, PVOutputAuthenticationError, PVOutputNoDataError, Status
 
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_API_KEY
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryAuthFailed
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
 
from .const import CONF_SYSTEM_ID, DOMAIN, LOGGER, SCAN_INTERVAL
 
 
class PVOutputDataUpdateCoordinator(DataUpdateCoordinator[Status]):
    """The PVOutput Data Update Coordinator."""
 
    config_entry: ConfigEntry
 
    def __init__(self, hass: HomeAssistant, entry: ConfigEntry) -> None:
        """Initialize the PVOutput coordinator."""
        self.config_entryconfig_entryconfig_entry = entry
        self.pvoutputpvoutput = PVOutput(
            api_key=entry.data[CONF_API_KEY],
            system_id=entry.data[CONF_SYSTEM_ID],
            session=async_get_clientsession(hass),
        )
 
        super().__init__(hass, LOGGER, name=DOMAIN, update_interval=SCAN_INTERVAL)
 
    async def _async_update_data(self) -> Status:
        """Fetch system status from PVOutput."""
        try:
            return await self.pvoutputpvoutput.status()
        except PVOutputNoDataError as err:
            raise UpdateFailed("PVOutput has no data available") from err
        except PVOutputAuthenticationError as err:
            raise ConfigEntryAuthFailed from err