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core/homeassistant/components/systemnexa2/sensor.py
2026-02-25 18:18:12 +01:00

78 lines
2.4 KiB
Python

"""Sensor platform for SystemNexa2 integration."""
from collections.abc import Callable
from dataclasses import dataclass
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.const import SIGNAL_STRENGTH_DECIBELS_MILLIWATT, EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .coordinator import SystemNexa2ConfigEntry, SystemNexa2DataUpdateCoordinator
from .entity import SystemNexa2Entity
PARALLEL_UPDATES = 0
@dataclass(frozen=True, kw_only=True)
class SystemNexa2SensorEntityDescription(SensorEntityDescription):
"""Describes SystemNexa2 sensor entity."""
value_fn: Callable[[SystemNexa2DataUpdateCoordinator], str | int | None]
SENSOR_DESCRIPTIONS: tuple[SystemNexa2SensorEntityDescription, ...] = (
SystemNexa2SensorEntityDescription(
key="wifi_dbm",
native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
device_class=SensorDeviceClass.SIGNAL_STRENGTH,
state_class=SensorStateClass.MEASUREMENT,
entity_category=EntityCategory.DIAGNOSTIC,
value_fn=lambda coordinator: coordinator.data.info_data.wifi_dbm,
entity_registry_enabled_default=False,
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: SystemNexa2ConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up sensors based on a config entry."""
coordinator = entry.runtime_data
async_add_entities(
SystemNexa2Sensor(coordinator, description)
for description in SENSOR_DESCRIPTIONS
if description.value_fn(coordinator) is not None
)
class SystemNexa2Sensor(SystemNexa2Entity, SensorEntity):
"""Representation of a SystemNexa2 sensor."""
entity_description: SystemNexa2SensorEntityDescription
def __init__(
self,
coordinator: SystemNexa2DataUpdateCoordinator,
entity_description: SystemNexa2SensorEntityDescription,
) -> None:
"""Initialize the sensor."""
super().__init__(
coordinator=coordinator,
key=entity_description.key,
)
self.entity_description = entity_description
@property
def native_value(self) -> str | int | None:
"""Return the state of the sensor."""
return self.entity_description.value_fn(self.coordinator)