Michael Sauer
83618b19fd
Die IP ist der Wert, den man beim Suchen einer Lampe zuerst braucht - als abgeschaltete Diagnose-Entitaet war sie genau dann nicht da.
135 lines
4.3 KiB
Python
135 lines
4.3 KiB
Python
"""Diagnostic sensors of a ninlight lamp."""
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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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from datetime import datetime, timedelta
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from typing import Any
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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.const import (
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SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
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EntityCategory,
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UnitOfInformation,
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)
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
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from homeassistant.util import dt as dt_util
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from .coordinator import NinlightConfigEntry, NinlightCoordinator, NinlightData
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from .entity import NinlightEntity
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PARALLEL_UPDATES = 0
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# A new boot time is only published when it moves by more than this: uptime and the local
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# clock drift a few seconds against each other on every poll.
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BOOT_TIME_TOLERANCE = timedelta(seconds=60)
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def _wifi(data: NinlightData) -> dict[str, Any]:
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wifi = data.info.get("wifi")
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return wifi if isinstance(wifi, dict) else {}
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@dataclass(frozen=True, kw_only=True)
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class NinlightSensorDescription(SensorEntityDescription):
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"""A sensor reading one value out of the lamp data."""
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value_fn: Callable[[NinlightData], Any]
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entity_category: EntityCategory = EntityCategory.DIAGNOSTIC
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SENSORS = (
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NinlightSensorDescription(
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key="rssi",
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device_class=SensorDeviceClass.SIGNAL_STRENGTH,
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native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
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state_class=SensorStateClass.MEASUREMENT,
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value_fn=lambda data: _wifi(data).get("rssi"),
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),
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NinlightSensorDescription(
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key="ip_address",
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translation_key="ip_address",
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value_fn=lambda data: _wifi(data).get("ip"),
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),
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NinlightSensorDescription(
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key="free_heap",
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translation_key="free_heap",
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device_class=SensorDeviceClass.DATA_SIZE,
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native_unit_of_measurement=UnitOfInformation.BYTES,
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state_class=SensorStateClass.MEASUREMENT,
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entity_registry_enabled_default=False,
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value_fn=lambda data: data.info.get("free_heap"),
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),
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NinlightSensorDescription(
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key="last_ota_error",
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translation_key="last_ota_error",
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entity_registry_enabled_default=False,
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value_fn=lambda data: data.info.get("last_ota_error"),
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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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entry: NinlightConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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coordinator = entry.runtime_data
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entities: list[SensorEntity] = [NinlightSensor(coordinator, d) for d in SENSORS]
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entities.append(NinlightBootTimeSensor(coordinator))
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async_add_entities(entities)
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class NinlightSensor(NinlightEntity, SensorEntity):
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"""A plain diagnostic value."""
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entity_description: NinlightSensorDescription
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def __init__(
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self, coordinator: NinlightCoordinator, description: NinlightSensorDescription
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) -> None:
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super().__init__(coordinator, description.key)
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self.entity_description = description
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@property
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def native_value(self) -> Any:
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return self.entity_description.value_fn(self.coordinator.data)
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class NinlightBootTimeSensor(NinlightEntity, SensorEntity):
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"""When the lamp last started - a timestamp instead of an ever-growing uptime."""
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_attr_device_class = SensorDeviceClass.TIMESTAMP
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_attr_entity_category = EntityCategory.DIAGNOSTIC
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_attr_entity_registry_enabled_default = False
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_attr_translation_key = "boot_time"
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def __init__(self, coordinator: NinlightCoordinator) -> None:
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super().__init__(coordinator, "boot_time")
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self._boot: datetime | None = None
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self._update_boot()
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def _update_boot(self) -> None:
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uptime = self.coordinator.data.info.get("uptime")
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if not isinstance(uptime, int | float):
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return
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boot = dt_util.utcnow() - timedelta(seconds=uptime)
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if self._boot is None or abs(boot - self._boot) > BOOT_TIME_TOLERANCE:
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self._boot = boot
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@callback
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def _handle_coordinator_update(self) -> None:
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self._update_boot()
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super()._handle_coordinator_update()
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@property
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def native_value(self) -> datetime | None:
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return self._boot
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