43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
"""DataUpdateCoordinator for the LaMatric integration."""
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from __future__ import annotations
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from demetriek import Device, LaMetricAuthenticationError, LaMetricDevice, LaMetricError
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_API_KEY, CONF_HOST
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import ConfigEntryAuthFailed
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from .const import DOMAIN, LOGGER, SCAN_INTERVAL
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class LaMetricDataUpdateCoordinator(DataUpdateCoordinator[Device]):
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"""The LaMetric Data Update Coordinator."""
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config_entry: ConfigEntry
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def __init__(self, hass: HomeAssistant, entry: ConfigEntry) -> None:
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"""Initialize the LaMatric coordinator."""
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self.config_entry = entry
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self.lametric = LaMetricDevice(
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host=entry.data[CONF_HOST],
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api_key=entry.data[CONF_API_KEY],
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session=async_get_clientsession(hass),
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)
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super().__init__(hass, LOGGER, name=DOMAIN, update_interval=SCAN_INTERVAL)
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async def _async_update_data(self) -> Device:
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"""Fetch device information of the LaMetric device."""
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try:
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return await self.lametric.device()
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except LaMetricAuthenticationError as err:
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raise ConfigEntryAuthFailed from err
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except LaMetricError as ex:
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raise UpdateFailed(
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"Could not fetch device information from LaMetric device"
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) from ex
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