mirror of
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129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
"""Support for sensor entities."""
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from __future__ import annotations
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from collections.abc import Callable, Mapping
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from dataclasses import dataclass
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from typing import Any, cast
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from togrill_bluetooth.packets import Packet, PacketA0Notify, PacketA1Notify
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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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StateType,
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)
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from homeassistant.const import PERCENTAGE, EntityCategory, UnitOfTemperature
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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 ToGrillConfigEntry
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from .const import CONF_PROBE_COUNT, MAX_PROBE_COUNT
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from .coordinator import ToGrillCoordinator
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from .entity import ToGrillEntity
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PARALLEL_UPDATES = 0
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@dataclass(kw_only=True, frozen=True)
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class ToGrillSensorEntityDescription(SensorEntityDescription):
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"""Description of entity."""
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packet_type: int
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packet_extract: Callable[[Packet], StateType]
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entity_supported: Callable[[Mapping[str, Any]], bool] = lambda _: True
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probe_number: int | None = None
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def _get_temperature_description(probe_number: int):
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def _get(packet: Packet) -> StateType:
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assert isinstance(packet, PacketA1Notify)
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if len(packet.temperatures) < probe_number:
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return None
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temperature = packet.temperatures[probe_number - 1]
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if temperature is None:
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return None
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return temperature
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def _supported(config: Mapping[str, Any]):
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return probe_number <= config[CONF_PROBE_COUNT]
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return ToGrillSensorEntityDescription(
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key=f"temperature_{probe_number}",
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device_class=SensorDeviceClass.TEMPERATURE,
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native_unit_of_measurement=UnitOfTemperature.CELSIUS,
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state_class=SensorStateClass.MEASUREMENT,
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suggested_display_precision=1,
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packet_type=PacketA1Notify.type,
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packet_extract=_get,
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entity_supported=_supported,
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probe_number=probe_number,
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)
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ENTITY_DESCRIPTIONS = (
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ToGrillSensorEntityDescription(
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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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entity_category=EntityCategory.DIAGNOSTIC,
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state_class=SensorStateClass.MEASUREMENT,
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suggested_display_precision=0,
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packet_type=PacketA0Notify.type,
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packet_extract=lambda packet: cast(PacketA0Notify, packet).battery,
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),
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*[
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_get_temperature_description(probe_number)
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for probe_number in range(1, MAX_PROBE_COUNT + 1)
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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: ToGrillConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up sensor based on a config entry."""
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coordinator = entry.runtime_data
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async_add_entities(
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ToGrillSensor(coordinator, entity_description)
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for entity_description in ENTITY_DESCRIPTIONS
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if entity_description.entity_supported(entry.data)
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)
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class ToGrillSensor(ToGrillEntity, SensorEntity):
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"""Representation of a sensor."""
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entity_description: ToGrillSensorEntityDescription
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def __init__(
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self,
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coordinator: ToGrillCoordinator,
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entity_description: ToGrillSensorEntityDescription,
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) -> None:
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"""Initialize sensor."""
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super().__init__(coordinator, entity_description.probe_number)
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self.entity_description = entity_description
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self._attr_unique_id = f"{coordinator.address}_{entity_description.key}"
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@property
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def available(self) -> bool:
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"""Return if entity is available."""
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return super().available and self.native_value is not None
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@property
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def native_value(self) -> StateType:
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"""Get current value."""
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if packet := self.coordinator.data.get(
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(self.entity_description.packet_type, None)
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):
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return self.entity_description.packet_extract(packet)
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return None
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