Move Withings entity descriptions to platforms (#101820)

homeassistant/components/withings/entity.py

@@ -1,46 +1,26 @@
 """Base entity for Withings."""
 from __future__ import annotations
 
-from dataclasses import dataclass
-
-from withings_api.common import GetSleepSummaryField, MeasureType, NotifyAppli
-
 from homeassistant.helpers.device_registry import DeviceInfo
-from homeassistant.helpers.entity import EntityDescription
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from .const import DOMAIN, Measurement
+from .const import DOMAIN
 from .coordinator import WithingsDataUpdateCoordinator
 
 
-@dataclass
-class WithingsEntityDescriptionMixin:
-    """Mixin for describing withings data."""
-
-    measurement: Measurement
-    measure_type: NotifyAppli | GetSleepSummaryField | MeasureType
-
-
-@dataclass
-class WithingsEntityDescription(EntityDescription, WithingsEntityDescriptionMixin):
-    """Immutable class for describing withings data."""
-
-
 class WithingsEntity(CoordinatorEntity[WithingsDataUpdateCoordinator]):
     """Base class for withings entities."""
 
-    entity_description: WithingsEntityDescription
     _attr_has_entity_name = True
 
     def __init__(
         self,
         coordinator: WithingsDataUpdateCoordinator,
-        description: WithingsEntityDescription,
+        key: str,
     ) -> None:
         """Initialize the Withings entity."""
         super().__init__(coordinator)
-        self.entity_description = description
-        self._attr_unique_id = f"withings_{coordinator.config_entry.unique_id}_{description.measurement.value}"
+        self._attr_unique_id = f"withings_{coordinator.config_entry.unique_id}_{key}"
         self._attr_device_info = DeviceInfo(
             identifiers={(DOMAIN, str(coordinator.config_entry.unique_id))},
             manufacturer="Withings",