mirror of https://github.com/home-assistant/core
83 lines
2.6 KiB
Python
83 lines
2.6 KiB
Python
"""The Coordinator for EnergyZero."""
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from __future__ import annotations
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from datetime import timedelta
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from typing import NamedTuple
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from energyzero import (
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Electricity,
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EnergyZero,
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EnergyZeroConnectionError,
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EnergyZeroNoDataError,
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Gas,
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)
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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.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from homeassistant.util import dt as dt_util
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from .const import DOMAIN, LOGGER, SCAN_INTERVAL, THRESHOLD_HOUR
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class EnergyZeroData(NamedTuple):
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"""Class for defining data in dict."""
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energy_today: Electricity
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energy_tomorrow: Electricity | None
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gas_today: Gas | None
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class EnergyZeroDataUpdateCoordinator(DataUpdateCoordinator[EnergyZeroData]):
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"""Class to manage fetching EnergyZero data from single endpoint."""
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config_entry: ConfigEntry
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def __init__(self, hass: HomeAssistant) -> None:
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"""Initialize global EnergyZero data updater."""
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super().__init__(
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hass,
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LOGGER,
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name=DOMAIN,
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update_interval=SCAN_INTERVAL,
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)
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self.energyzero = EnergyZero(session=async_get_clientsession(hass))
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async def _async_update_data(self) -> EnergyZeroData:
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"""Fetch data from EnergyZero."""
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today = dt_util.now().date()
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gas_today = None
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energy_tomorrow = None
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try:
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energy_today = await self.energyzero.energy_prices(
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start_date=today, end_date=today
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)
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try:
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gas_today = await self.energyzero.gas_prices(
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start_date=today, end_date=today
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)
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except EnergyZeroNoDataError:
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LOGGER.debug("No data for gas prices for EnergyZero integration")
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# Energy for tomorrow only after 14:00 UTC
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if dt_util.utcnow().hour >= THRESHOLD_HOUR:
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tomorrow = today + timedelta(days=1)
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try:
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energy_tomorrow = await self.energyzero.energy_prices(
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start_date=tomorrow, end_date=tomorrow
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)
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except EnergyZeroNoDataError:
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LOGGER.debug("No data for tomorrow for EnergyZero integration")
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except EnergyZeroConnectionError as err:
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raise UpdateFailed("Error communicating with EnergyZero API") from err
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return EnergyZeroData(
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energy_today=energy_today,
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energy_tomorrow=energy_tomorrow,
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gas_today=gas_today,
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)
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