sensor.py

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"""Support for WiZ sensors."""
 
from __future__ import annotations
 
from homeassistant.components.sensor import (
    SensorDeviceClass,
    SensorEntity,
    SensorEntityDescription,
    SensorStateClass,
)
from homeassistant.const import (
    SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
    EntityCategory,
    UnitOfPower,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from . import WizConfigEntry
from .entity import WizEntity
from .models import WizData
 
SENSORS: tuple[SensorEntityDescription, ...] = (
    SensorEntityDescription(
        key="rssi",
        entity_registry_enabled_default=False,
        state_class=SensorStateClass.MEASUREMENT,
        device_class=SensorDeviceClass.SIGNAL_STRENGTH,
        entity_category=EntityCategory.DIAGNOSTIC,
        native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
    ),
)
 
 
POWER_SENSORS: tuple[SensorEntityDescription, ...] = (
    SensorEntityDescription(
        key="power",
        state_class=SensorStateClass.MEASUREMENT,
        device_class=SensorDeviceClass.POWER,
        native_unit_of_measurement=UnitOfPower.WATT,
    ),
)
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    entry: WizConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the wiz sensor."""
    entities = [
        WizSensor(entry.runtime_data, entry.title, description)
        for description in SENSORS
    ]
    if entry.runtime_data.coordinator.data is not None:
        entities.extend(
            [
                WizPowerSensor(entry.runtime_data, entry.title, description)
                for description in POWER_SENSORS
            ]
        )
    async_add_entities(entities)
 
 
class WizSensor(WizEntity, SensorEntity):
    """Defines a WiZ sensor."""
 
    entity_description: SensorEntityDescription
 
    def __init__(
        self, wiz_data: WizData, name: str, description: SensorEntityDescription
    ) -> None:
        """Initialize an WiZ sensor."""
        super().__init__(wiz_data, name)
        self.entity_descriptionentity_description = description
        self._attr_unique_id_attr_unique_id_attr_unique_id = f"{self._device.mac}_{description.key}"
        self._async_update_attrs_async_update_attrs_async_update_attrs()
 
    @callback
    def _async_update_attrs(self) -> None:
        """Handle updating _attr values."""
        self._attr_native_value_attr_native_value = self._device_device.state.pilotResult.get(
            self.entity_descriptionentity_description.key
        )
 
 
class WizPowerSensor(WizSensor):
    """Defines a WiZ power sensor."""
 
    @callback
    def _async_update_attrs(self) -> None:
        """Handle updating _attr values."""
        # Newer firmwares will have the power in their state
        watts_push = self._device_device.state.get_power()
        # Older firmwares will be polled and in the coordinator data
        watts_poll = self.coordinator.data
        self._attr_native_value_attr_native_value_attr_native_value = watts_poll if watts_push is None else watts_push