58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""DataUpdateCoordinator for the Discovergy integration."""
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from __future__ import annotations
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from datetime import timedelta
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import logging
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from pydiscovergy import Discovergy
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from pydiscovergy.error import DiscovergyClientError, HTTPError, InvalidLogin
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from pydiscovergy.models import Meter, Reading
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from homeassistant.config_entries import ConfigEntry
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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.update_coordinator import DataUpdateCoordinator, UpdateFailed
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_LOGGER = logging.getLogger(__name__)
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type DiscovergyConfigEntry = ConfigEntry[list[DiscovergyUpdateCoordinator]]
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class DiscovergyUpdateCoordinator(DataUpdateCoordinator[Reading]):
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"""The Discovergy update coordinator."""
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config_entry: DiscovergyConfigEntry
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def __init__(
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self,
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hass: HomeAssistant,
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config_entry: DiscovergyConfigEntry,
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meter: Meter,
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discovergy_client: Discovergy,
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) -> None:
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"""Initialize the Discovergy coordinator."""
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self.meter = meter
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self.discovergy_client = discovergy_client
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super().__init__(
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hass,
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_LOGGER,
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config_entry=config_entry,
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name=f"Discovergy meter {meter.meter_id}",
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update_interval=timedelta(seconds=30),
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)
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async def _async_update_data(self) -> Reading:
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"""Get last reading for meter."""
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try:
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return await self.discovergy_client.meter_last_reading(
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meter_id=self.meter.meter_id
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)
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except InvalidLogin as err:
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raise ConfigEntryAuthFailed(
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"Auth expired while fetching last reading"
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) from err
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except (HTTPError, DiscovergyClientError) as err:
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raise UpdateFailed(f"Error while fetching last reading: {err}") from err
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