Use description attribute for fallback_name

tests/test_number.py

@@ -121,6 +121,8 @@ async def test_number(
     assert cluster.read_attributes.call_count == 3
 
     assert entity.description == "PWM1"
+    assert entity.fallback_name == "PWM1"
+    assert entity.translation_key is None
 
     # test that the state is 15.0
     assert entity.state["state"] == 15.0
@@ -179,6 +181,35 @@ async def test_number(
     assert entity.state["state"] == 30.0
 
 
+async def test_number_missing_description_attr(
+    zigpy_analog_output_device: ZigpyDevice,  # pylint: disable=redefined-outer-name
+    device_joined: Callable[[ZigpyDevice], Awaitable[Device]],
+    zha_gateway: Gateway,
+) -> None:
+    """Test zha number platform - missing description attribute."""
+    cluster: general.AnalogOutput = zigpy_analog_output_device.endpoints.get(
+        1
+    ).analog_output
+    cluster.PLUGGED_ATTR_READS = {
+        "max_present_value": 100.0,
+        "min_present_value": 1.0,
+        "relinquish_default": 50.0,
+        "resolution": 1.1,
+        "engineering_units": 98,
+        "application_type": 4 * 0x10000,
+    }
+    update_attribute_cache(cluster)
+
+    zha_device = await device_joined(zigpy_analog_output_device)
+
+    entity: PlatformEntity = get_entity(zha_device, platform=Platform.NUMBER)
+    assert isinstance(entity, PlatformEntity)
+
+    assert entity.description is None
+    assert entity.fallback_name is None
+    assert entity.translation_key == "number"
+
+
 @pytest.mark.parametrize(
     ("attr", "initial_value", "new_value", "max_value"),
     (

zha/application/platforms/binary_sensor/__init__.py

@@ -77,6 +77,12 @@ def __init__(
             CLUSTER_HANDLER_ATTRIBUTE_UPDATED,
             self.handle_cluster_handler_attribute_updated,
         )
+        if (
+            hasattr(self._cluster_handler, "description")
+            and self._cluster_handler.description is not None
+        ):
+            self._attr_translation_key = None
+            self._attr_fallback_name: str = self._cluster_handler.description
 
     def _init_from_quirks_metadata(self, entity_metadata: BinarySensorMetadata) -> None:
         """Init this entity from the quirks metadata."""

zha/application/platforms/number/__init__.py

@@ -95,6 +95,14 @@ def __init__(
             CLUSTER_HANDLER_ATTRIBUTE_UPDATED,
             self.handle_cluster_handler_attribute_updated,
         )
+        if (
+            hasattr(self._analog_output_cluster_handler, "description")
+            and self._analog_output_cluster_handler.description is not None
+        ):
+            self._attr_translation_key = None
+            self._attr_fallback_name: str = (
+                self._analog_output_cluster_handler.description
+            )
 
     @functools.cached_property
     def info_object(self) -> NumberEntityInfo:

zha/application/platforms/sensor/__init__.py

@@ -193,6 +193,12 @@ def __init__(
             CLUSTER_HANDLER_ATTRIBUTE_UPDATED,
             self.handle_cluster_handler_attribute_updated,
         )
+        if (
+            hasattr(self._cluster_handler, "description")
+            and self._cluster_handler.description is not None
+        ):
+            self._attr_translation_key = None
+            self._attr_fallback_name: str = self._cluster_handler.description
 
     def _init_from_quirks_metadata(self, entity_metadata: ZCLSensorMetadata) -> None:
         """Init this entity from the quirks metadata."""