core/homeassistant/components/elgato/sensor.py

142 lines
4.9 KiB
Python

"""Support for Elgato sensors."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
PERCENTAGE,
EntityCategory,
UnitOfElectricCurrent,
UnitOfElectricPotential,
UnitOfPower,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DOMAIN
from .coordinator import ElgatoData, ElgatoDataUpdateCoordinator
from .entity import ElgatoEntity
@dataclass(frozen=True, kw_only=True)
class ElgatoSensorEntityDescription(SensorEntityDescription):
"""Class describing Elgato sensor entities."""
has_fn: Callable[[ElgatoData], bool] = lambda _: True
value_fn: Callable[[ElgatoData], float | int | None]
SENSORS = [
ElgatoSensorEntityDescription(
key="battery",
device_class=SensorDeviceClass.BATTERY,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=PERCENTAGE,
state_class=SensorStateClass.MEASUREMENT,
suggested_display_precision=0,
has_fn=lambda x: x.battery is not None,
value_fn=lambda x: x.battery.level if x.battery else None,
),
ElgatoSensorEntityDescription(
key="voltage",
translation_key="voltage",
entity_registry_enabled_default=False,
device_class=SensorDeviceClass.VOLTAGE,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=UnitOfElectricPotential.MILLIVOLT,
state_class=SensorStateClass.MEASUREMENT,
suggested_unit_of_measurement=UnitOfElectricPotential.VOLT,
suggested_display_precision=2,
has_fn=lambda x: x.battery is not None,
value_fn=lambda x: x.battery.voltage if x.battery else None,
),
ElgatoSensorEntityDescription(
key="input_charge_current",
translation_key="input_charge_current",
entity_registry_enabled_default=False,
device_class=SensorDeviceClass.CURRENT,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=UnitOfElectricCurrent.MILLIAMPERE,
state_class=SensorStateClass.MEASUREMENT,
suggested_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
suggested_display_precision=2,
has_fn=lambda x: x.battery is not None,
value_fn=lambda x: x.battery.input_charge_current if x.battery else None,
),
ElgatoSensorEntityDescription(
key="charge_power",
translation_key="charge_power",
entity_registry_enabled_default=False,
device_class=SensorDeviceClass.POWER,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=UnitOfPower.WATT,
state_class=SensorStateClass.MEASUREMENT,
suggested_display_precision=0,
has_fn=lambda x: x.battery is not None,
value_fn=lambda x: x.battery.charge_power if x.battery else None,
),
ElgatoSensorEntityDescription(
key="input_charge_voltage",
translation_key="input_charge_voltage",
entity_registry_enabled_default=False,
device_class=SensorDeviceClass.VOLTAGE,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=UnitOfElectricPotential.MILLIVOLT,
state_class=SensorStateClass.MEASUREMENT,
suggested_display_precision=2,
suggested_unit_of_measurement=UnitOfElectricPotential.VOLT,
has_fn=lambda x: x.battery is not None,
value_fn=lambda x: x.battery.input_charge_voltage if x.battery else None,
),
]
async def async_setup_entry(
hass: HomeAssistant,
entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Elgato sensor based on a config entry."""
coordinator: ElgatoDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
async_add_entities(
ElgatoSensorEntity(
coordinator=coordinator,
description=description,
)
for description in SENSORS
if description.has_fn(coordinator.data)
)
class ElgatoSensorEntity(ElgatoEntity, SensorEntity):
"""Representation of a Elgato sensor."""
entity_description: ElgatoSensorEntityDescription
def __init__(
self,
coordinator: ElgatoDataUpdateCoordinator,
description: ElgatoSensorEntityDescription,
) -> None:
"""Initiate Elgato sensor."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = (
f"{coordinator.data.info.serial_number}_{description.key}"
)
@property
def native_value(self) -> float | int | None:
"""Return the sensor value."""
return self.entity_description.value_fn(self.coordinator.data)