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![Erik Montnemery](/assets/img/avatar_default.png)
* Move temperature conversions to sensor base class * Tweaks * Update pvpc_hourly_pricing * Fix flipr sensor * Fix ezviz and youless sensor
162 lines
5.5 KiB
Python
162 lines
5.5 KiB
Python
"""Sensor to collect the reference daily prices of electricity ('PVPC') in Spain."""
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from __future__ import annotations
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import logging
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from random import randint
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from typing import Any
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from aiopvpc import PVPCData
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from homeassistant.components.sensor import STATE_CLASS_MEASUREMENT, SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_NAME, CURRENCY_EURO, ENERGY_KILO_WATT_HOUR
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.event import async_call_later, async_track_time_change
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from homeassistant.helpers.restore_state import RestoreEntity
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import homeassistant.util.dt as dt_util
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from .const import ATTR_POWER, ATTR_POWER_P3, ATTR_TARIFF
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_LOGGER = logging.getLogger(__name__)
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ATTR_PRICE = "price"
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ICON = "mdi:currency-eur"
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UNIT = f"{CURRENCY_EURO}/{ENERGY_KILO_WATT_HOUR}"
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_DEFAULT_TIMEOUT = 10
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the electricity price sensor from config_entry."""
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name = config_entry.data[CONF_NAME]
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pvpc_data_handler = PVPCData(
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tariff=config_entry.data[ATTR_TARIFF],
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power=config_entry.data[ATTR_POWER],
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power_valley=config_entry.data[ATTR_POWER_P3],
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local_timezone=hass.config.time_zone,
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websession=async_get_clientsession(hass),
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timeout=_DEFAULT_TIMEOUT,
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)
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async_add_entities(
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[ElecPriceSensor(name, config_entry.unique_id, pvpc_data_handler)], False
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)
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class ElecPriceSensor(RestoreEntity, SensorEntity):
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"""Class to hold the prices of electricity as a sensor."""
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_attr_icon = ICON
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_attr_native_unit_of_measurement = UNIT
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_attr_should_poll = False
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_attr_state_class = STATE_CLASS_MEASUREMENT
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def __init__(self, name, unique_id, pvpc_data_handler):
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"""Initialize the sensor object."""
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self._name = name
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self._unique_id = unique_id
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self._pvpc_data = pvpc_data_handler
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self._num_retries = 0
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async def async_added_to_hass(self) -> None:
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"""Handle entity which will be added."""
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await super().async_added_to_hass()
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state = await self.async_get_last_state()
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if state:
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self._pvpc_data.state = state.state
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# Update 'state' value in hour changes
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self.async_on_remove(
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async_track_time_change(
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self.hass, self.update_current_price, second=[0], minute=[0]
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)
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)
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# Update prices at random time, 2 times/hour (don't want to upset API)
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random_minute = randint(1, 29)
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mins_update = [random_minute, random_minute + 30]
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self.async_on_remove(
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async_track_time_change(
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self.hass, self.async_update_prices, second=[0], minute=mins_update
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)
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)
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_LOGGER.debug(
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"Setup of price sensor %s (%s) with tariff '%s', "
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"updating prices each hour at %s min",
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self.name,
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self.entity_id,
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self._pvpc_data.tariff,
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mins_update,
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)
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now = dt_util.utcnow()
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await self.async_update_prices(now)
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self.update_current_price(now)
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@property
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def unique_id(self) -> str | None:
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"""Return a unique ID."""
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return self._unique_id
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@property
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def name(self) -> str:
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"""Return the name of the sensor."""
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return self._name
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@property
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def native_value(self) -> float:
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"""Return the state of the sensor."""
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return self._pvpc_data.state
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@property
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def available(self) -> bool:
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"""Return True if entity is available."""
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return self._pvpc_data.state_available
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@property
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def extra_state_attributes(self) -> dict[str, Any]:
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"""Return the state attributes."""
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return self._pvpc_data.attributes
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@callback
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def update_current_price(self, now):
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"""Update the sensor state, by selecting the current price for this hour."""
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self._pvpc_data.process_state_and_attributes(now)
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self.async_write_ha_state()
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async def async_update_prices(self, now):
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"""Update electricity prices from the ESIOS API."""
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prices = await self._pvpc_data.async_update_prices(now)
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if not prices and self._pvpc_data.source_available:
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self._num_retries += 1
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if self._num_retries > 2:
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_LOGGER.warning(
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"%s: repeated bad data update, mark component as unavailable source",
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self.entity_id,
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)
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self._pvpc_data.source_available = False
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return
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retry_delay = 2 * self._num_retries * self._pvpc_data.timeout
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_LOGGER.debug(
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"%s: Bad update[retry:%d], will try again in %d s",
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self.entity_id,
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self._num_retries,
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retry_delay,
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)
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async_call_later(self.hass, retry_delay, self.async_update_prices)
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return
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if not prices:
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_LOGGER.debug("%s: data source is not yet available", self.entity_id)
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return
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self._num_retries = 0
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if not self._pvpc_data.source_available:
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self._pvpc_data.source_available = True
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_LOGGER.warning("%s: component has recovered data access", self.entity_id)
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self.update_current_price(now)
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