47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
"""Base class for Acaia entities."""
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from dataclasses import dataclass
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from homeassistant.helpers.device_registry import (
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CONNECTION_BLUETOOTH,
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DeviceInfo,
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format_mac,
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)
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from homeassistant.helpers.entity import EntityDescription
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from .const import DOMAIN
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from .coordinator import AcaiaCoordinator
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@dataclass
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class AcaiaEntity(CoordinatorEntity[AcaiaCoordinator]):
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"""Common elements for all entities."""
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_attr_has_entity_name = True
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def __init__(
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self,
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coordinator: AcaiaCoordinator,
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entity_description: EntityDescription,
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) -> None:
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"""Initialize the entity."""
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super().__init__(coordinator)
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self.entity_description = entity_description
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self._scale = coordinator.scale
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formatted_mac = format_mac(self._scale.mac)
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self._attr_unique_id = f"{formatted_mac}_{entity_description.key}"
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, formatted_mac)},
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manufacturer="Acaia",
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model=self._scale.model,
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suggested_area="Kitchen",
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connections={(CONNECTION_BLUETOOTH, self._scale.mac)},
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)
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@property
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def available(self) -> bool:
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"""Returns whether entity is available."""
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return super().available and self._scale.connected
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