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62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
"""Binary sensor platform for Acaia scales."""
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from collections.abc import Callable
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from dataclasses import dataclass
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from aioacaia.acaiascale import AcaiaScale
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from homeassistant.components.binary_sensor import (
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BinarySensorDeviceClass,
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BinarySensorEntity,
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BinarySensorEntityDescription,
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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 .coordinator import AcaiaConfigEntry
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from .entity import AcaiaEntity
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# Coordinator is used to centralize the data updates
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PARALLEL_UPDATES = 0
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@dataclass(kw_only=True, frozen=True)
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class AcaiaBinarySensorEntityDescription(BinarySensorEntityDescription):
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"""Description for Acaia binary sensor entities."""
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is_on_fn: Callable[[AcaiaScale], bool]
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BINARY_SENSORS: tuple[AcaiaBinarySensorEntityDescription, ...] = (
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AcaiaBinarySensorEntityDescription(
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key="timer_running",
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translation_key="timer_running",
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device_class=BinarySensorDeviceClass.RUNNING,
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is_on_fn=lambda scale: scale.timer_running,
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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: AcaiaConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up binary sensors."""
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coordinator = entry.runtime_data
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async_add_entities(
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AcaiaBinarySensor(coordinator, description) for description in BINARY_SENSORS
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)
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class AcaiaBinarySensor(AcaiaEntity, BinarySensorEntity):
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"""Representation of an Acaia binary sensor."""
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entity_description: AcaiaBinarySensorEntityDescription
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@property
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def is_on(self) -> bool:
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"""Return true if the binary sensor is on."""
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return self.entity_description.is_on_fn(self._scale)
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