Make a copy of capability_attributes instead of making a new dict (#116477)

homeassistant/components/input_datetime/__init__.py

@@ -333,7 +333,7 @@ class InputDatetime(collection.CollectionEntity, RestoreEntity):
         return self._current_datetime.strftime(FMT_TIME)
 
     @property
-    def capability_attributes(self) -> dict:
+    def capability_attributes(self) -> dict[str, Any]:
         """Return the capability attributes."""
         return {
             CONF_HAS_DATE: self.has_date,

homeassistant/components/sensor/__init__.py

@@ -360,7 +360,7 @@ class SensorEntity(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
 
     @property
     @override
-    def capability_attributes(self) -> Mapping[str, Any] | None:
+    def capability_attributes(self) -> dict[str, Any] | None:
         """Return the capability attributes."""
         if state_class := self.state_class:
             return {ATTR_STATE_CLASS: state_class}

homeassistant/components/vacuum/__init__.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-from collections.abc import Mapping
 from datetime import timedelta
 from enum import IntFlag
 from functools import cached_property, partial
@@ -231,7 +230,7 @@ class StateVacuumEntity(
         )
 
     @property
-    def capability_attributes(self) -> Mapping[str, Any] | None:
+    def capability_attributes(self) -> dict[str, Any] | None:
         """Return capability attributes."""
         if VacuumEntityFeature.FAN_SPEED in self.supported_features_compat:
             return {ATTR_FAN_SPEED_LIST: self.fan_speed_list}

homeassistant/components/water_heater/__init__.py

@@ -2,7 +2,6 @@
 
 from __future__ import annotations
 
-from collections.abc import Mapping
 from datetime import timedelta
 from enum import IntFlag
 import functools as ft
@@ -225,7 +224,7 @@ class WaterHeaterEntity(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
         return PRECISION_WHOLE
 
     @property
-    def capability_attributes(self) -> Mapping[str, Any]:
+    def capability_attributes(self) -> dict[str, Any]:
         """Return capability attributes."""
         data: dict[str, Any] = {
             ATTR_MIN_TEMP: show_temp(

homeassistant/helpers/entity.py

@@ -533,7 +533,7 @@ class Entity(
     _attr_assumed_state: bool = False
     _attr_attribution: str | None = None
     _attr_available: bool = True
-    _attr_capability_attributes: Mapping[str, Any] | None = None
+    _attr_capability_attributes: dict[str, Any] | None = None
     _attr_device_class: str | None
     _attr_device_info: DeviceInfo | None = None
     _attr_entity_category: EntityCategory | None
@@ -744,7 +744,7 @@ class Entity(
         return self._attr_state
 
     @cached_property
-    def capability_attributes(self) -> Mapping[str, Any] | None:
+    def capability_attributes(self) -> dict[str, Any] | None:
         """Return the capability attributes.
 
         Attributes that explain the capabilities of an entity.
@@ -1065,7 +1065,7 @@ class Entity(
         entry = self.registry_entry
 
         capability_attr = self.capability_attributes
-        attr = dict(capability_attr) if capability_attr else {}
+        attr = capability_attr.copy() if capability_attr else {}
         shadowed_attr = {}
 
         available = self.available  # only call self.available once per update cycle