94 lines
2.5 KiB
Python
94 lines
2.5 KiB
Python
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"""Support for V2C EVSE sensors."""
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from __future__ import annotations
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from collections.abc import Callable
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from dataclasses import dataclass
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import logging
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from pytrydan import TrydanData
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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SensorStateClass,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import UnitOfPower
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity import Entity
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import DOMAIN
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from .coordinator import V2CUpdateCoordinator
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from .entity import V2CBaseEntity
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_LOGGER = logging.getLogger(__name__)
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@dataclass
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class V2CPowerRequiredKeysMixin:
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"""Mixin for required keys."""
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value_fn: Callable[[TrydanData], float]
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@dataclass
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class V2CPowerSensorEntityDescription(
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SensorEntityDescription, V2CPowerRequiredKeysMixin
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):
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"""Describes an EVSE Power sensor entity."""
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POWER_SENSORS = (
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V2CPowerSensorEntityDescription(
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key="charge_power",
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translation_key="charge_power",
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native_unit_of_measurement=UnitOfPower.WATT,
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state_class=SensorStateClass.MEASUREMENT,
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device_class=SensorDeviceClass.POWER,
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value_fn=lambda evse_data: evse_data.charge_power,
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),
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)
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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 V2C sensor platform."""
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coordinator: V2CUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
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entities: list[Entity] = [
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V2CPowerSensorEntity(coordinator, description, config_entry.entry_id)
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for description in POWER_SENSORS
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]
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async_add_entities(entities)
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class V2CSensorBaseEntity(V2CBaseEntity, SensorEntity):
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"""Defines a base v2c sensor entity."""
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class V2CPowerSensorEntity(V2CSensorBaseEntity):
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"""V2C Power sensor entity."""
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entity_description: V2CPowerSensorEntityDescription
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_attr_icon = "mdi:ev-station"
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def __init__(
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self,
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coordinator: V2CUpdateCoordinator,
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description: SensorEntityDescription,
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entry_id: str,
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) -> None:
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"""Initialize V2C Power entity."""
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super().__init__(coordinator, description)
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self._attr_unique_id = f"{entry_id}_{description.key}"
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@property
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def native_value(self) -> float | None:
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"""Return the state of the sensor."""
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return self.entity_description.value_fn(self.data)
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