Add support for attribute caching to the alarm_control_panel platform (#106265)

homeassistant/components/alarm_control_panel/__init__.py

@@ -4,7 +4,7 @@ from __future__ import annotations
 from datetime import timedelta
 from functools import partial
 import logging
-from typing import Any, Final, final
+from typing import TYPE_CHECKING, Any, Final, final
 
 import voluptuous as vol
 
@@ -47,6 +47,11 @@ from .const import (  # noqa: F401
     CodeFormat,
 )
 
+if TYPE_CHECKING:
+    from functools import cached_property
+else:
+    from homeassistant.backports.functools import cached_property
+
 # As we import constants of the cost module here, we need to add the following
 # functions to check for deprecated constants again
 # Both can be removed if no deprecated constant are in this module anymore
@@ -135,7 +140,15 @@ class AlarmControlPanelEntityDescription(EntityDescription, frozen_or_thawed=Tru
     """A class that describes alarm control panel entities."""
 
 
-class AlarmControlPanelEntity(Entity):
+CACHED_PROPERTIES_WITH_ATTR_ = {
+    "code_format",
+    "changed_by",
+    "code_arm_required",
+    "supported_features",
+}
+
+
+class AlarmControlPanelEntity(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
     """An abstract class for alarm control entities."""
 
     entity_description: AlarmControlPanelEntityDescription
@@ -146,17 +159,17 @@ class AlarmControlPanelEntity(Entity):
         AlarmControlPanelEntityFeature(0)
     )
 
-    @property
+    @cached_property
     def code_format(self) -> CodeFormat | None:
         """Code format or None if no code is required."""
         return self._attr_code_format
 
-    @property
+    @cached_property
     def changed_by(self) -> str | None:
         """Last change triggered by."""
         return self._attr_changed_by
 
-    @property
+    @cached_property
     def code_arm_required(self) -> bool:
         """Whether the code is required for arm actions."""
         return self._attr_code_arm_required
@@ -217,7 +230,7 @@ class AlarmControlPanelEntity(Entity):
         """Send arm custom bypass command."""
         await self.hass.async_add_executor_job(self.alarm_arm_custom_bypass, code)
 
-    @property
+    @cached_property
     def supported_features(self) -> AlarmControlPanelEntityFeature:
         """Return the list of supported features."""
         return self._attr_supported_features