Mark entity methods and properties as mandatory in pylint plugin (#145210)

* Mark entity methods and properties as mandatory in pylint plugin

* Fixes

homeassistant/components/hdmi_cec/entity.py

@@ -57,7 +57,7 @@ class CecEntity(Entity):
         self._attr_available = False
         self.schedule_update_ha_state(False)
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Register HDMI callbacks after initialization."""
         self._device.set_update_callback(self._update)
         self.hass.bus.async_listen(

homeassistant/components/smart_meter_texas/sensor.py

@@ -74,7 +74,7 @@ class SmartMeterTexasSensor(CoordinatorEntity, RestoreEntity, SensorEntity):
             self._attr_native_value = self.meter.reading
         self.async_write_ha_state()
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Subscribe to updates."""
         await super().async_added_to_hass()
         self.async_on_remove(self.coordinator.async_add_listener(self._state_update))

homeassistant/components/utility_meter/sensor.py

@@ -605,7 +605,7 @@ class UtilityMeterSensor(RestoreSensor):
         self._attr_native_value = Decimal(str(value))
         self.async_write_ha_state()
 
-    async def async_added_to_hass(self):
+    async def async_added_to_hass(self) -> None:
         """Handle entity which will be added."""
         await super().async_added_to_hass()
 

pylint/plugins/hass_enforce_type_hints.py

@@ -667,6 +667,7 @@ _ENTITY_MATCH: list[TypeHintMatch] = [
     TypeHintMatch(
         function_name="should_poll",
         return_type="bool",
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="unique_id",
@@ -725,6 +726,7 @@ _ENTITY_MATCH: list[TypeHintMatch] = [
     TypeHintMatch(
         function_name="force_update",
         return_type="bool",
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="supported_features",
@@ -733,10 +735,12 @@ _ENTITY_MATCH: list[TypeHintMatch] = [
     TypeHintMatch(
         function_name="entity_registry_enabled_default",
         return_type="bool",
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="entity_registry_visible_default",
         return_type="bool",
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="attribution",
@@ -749,23 +753,28 @@ _ENTITY_MATCH: list[TypeHintMatch] = [
     TypeHintMatch(
         function_name="async_removed_from_registry",
         return_type=None,
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="async_added_to_hass",
         return_type=None,
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="async_will_remove_from_hass",
         return_type=None,
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="async_registry_entry_updated",
         return_type=None,
+        mandatory=True,
     ),
     TypeHintMatch(
         function_name="update",
         return_type=None,
         has_async_counterpart=True,
+        mandatory=True,
     ),
 ]
 _RESTORE_ENTITY_MATCH: list[TypeHintMatch] = [