86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
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"""Support for Vallox ventilation unit binary sensors."""
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from __future__ import annotations
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from dataclasses import dataclass
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from homeassistant.components.binary_sensor import (
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BinarySensorEntity,
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BinarySensorEntityDescription,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from . import ValloxDataUpdateCoordinator
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from .const import DOMAIN
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class ValloxBinarySensor(CoordinatorEntity, BinarySensorEntity):
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"""Representation of a Vallox binary sensor."""
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entity_description: ValloxBinarySensorEntityDescription
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coordinator: ValloxDataUpdateCoordinator
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def __init__(
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self,
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name: str,
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coordinator: ValloxDataUpdateCoordinator,
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description: ValloxBinarySensorEntityDescription,
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) -> None:
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"""Initialize the Vallox binary sensor."""
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super().__init__(coordinator)
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self.entity_description = description
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self._attr_name = f"{name} {description.name}"
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uuid = self.coordinator.data.get_uuid()
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self._attr_unique_id = f"{uuid}-{description.key}"
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@property
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def is_on(self) -> bool | None:
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"""Return true if the binary sensor is on."""
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return self.coordinator.data.get_metric(self.entity_description.metric_key) == 1
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@dataclass
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class ValloxMetricKeyMixin:
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"""Dataclass to allow defining metric_key without a default value."""
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metric_key: str
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@dataclass
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class ValloxBinarySensorEntityDescription(
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BinarySensorEntityDescription, ValloxMetricKeyMixin
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):
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"""Describes Vallox binary sensor entity."""
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SENSORS: tuple[ValloxBinarySensorEntityDescription, ...] = (
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ValloxBinarySensorEntityDescription(
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key="post_heater",
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name="Post Heater",
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icon="mdi:radiator",
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metric_key="A_CYC_IO_HEATER",
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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: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the sensors."""
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data = hass.data[DOMAIN][entry.entry_id]
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async_add_entities(
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[
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ValloxBinarySensor(data["name"], data["coordinator"], description)
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for description in SENSORS
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]
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)
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