mirror of
https://github.com/home-assistant/core.git
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Joost Lekkerkerker
93 lines
2.7 KiB
Python
93 lines
2.7 KiB
Python
"""Support for TRMNL 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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from trmnl.models import Device
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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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PERCENTAGE,
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SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
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EntityCategory,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
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from . import TRMNLConfigEntry
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from .coordinator import TRMNLCoordinator
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from .entity import TRMNLEntity
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PARALLEL_UPDATES = 0
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@dataclass(frozen=True, kw_only=True)
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class TRMNLSensorEntityDescription(SensorEntityDescription):
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"""Describes a TRMNL sensor entity."""
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value_fn: Callable[[Device], int | float | None]
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SENSOR_DESCRIPTIONS: tuple[TRMNLSensorEntityDescription, ...] = (
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TRMNLSensorEntityDescription(
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key="battery",
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device_class=SensorDeviceClass.BATTERY,
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native_unit_of_measurement=PERCENTAGE,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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value_fn=lambda device: device.percent_charged,
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),
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TRMNLSensorEntityDescription(
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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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entity_category=EntityCategory.DIAGNOSTIC,
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entity_registry_enabled_default=False,
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value_fn=lambda device: device.rssi,
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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: TRMNLConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up TRMNL sensor entities based on a config entry."""
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coordinator = entry.runtime_data
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async_add_entities(
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TRMNLSensor(coordinator, device_id, description)
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for device_id in coordinator.data
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for description in SENSOR_DESCRIPTIONS
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)
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class TRMNLSensor(TRMNLEntity, SensorEntity):
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"""Defines a TRMNL sensor."""
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entity_description: TRMNLSensorEntityDescription
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def __init__(
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self,
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coordinator: TRMNLCoordinator,
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device_id: int,
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description: TRMNLSensorEntityDescription,
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) -> None:
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"""Initialize TRMNL sensor."""
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super().__init__(coordinator, device_id)
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self.entity_description = description
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self._attr_unique_id = f"{device_id}_{description.key}"
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@property
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def native_value(self) -> int | float | None:
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"""Return the state of the sensor."""
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return self.entity_description.value_fn(self._device)
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