Enforce CameraEntityFeature (#82325)

homeassistant/components/camera/__init__.py

@@ -429,7 +429,7 @@ class Camera(Entity):
     _attr_motion_detection_enabled: bool = False
     _attr_should_poll: bool = False  # No need to poll cameras
     _attr_state: None = None  # State is determined by is_on
-    _attr_supported_features: CameraEntityFeature | int = 0
+    _attr_supported_features: CameraEntityFeature = CameraEntityFeature(0)
 
     def __init__(self) -> None:
         """Initialize a camera."""
@@ -450,7 +450,7 @@ class Camera(Entity):
         return ENTITY_IMAGE_URL.format(self.entity_id, self.access_tokens[-1])
 
     @property
-    def supported_features(self) -> CameraEntityFeature | int:
+    def supported_features(self) -> CameraEntityFeature:
         """Flag supported features."""
         return self._attr_supported_features
 

homeassistant/components/nest/camera_sdm.py

@@ -95,9 +95,9 @@ class NestCamera(Camera):
         return self._device_info.device_model
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> CameraEntityFeature:
         """Flag supported features."""
-        supported_features = 0
+        supported_features = CameraEntityFeature(0)
         if CameraLiveStreamTrait.NAME in self._device.traits:
             supported_features |= CameraEntityFeature.STREAM
         return supported_features

homeassistant/components/unifiprotect/camera.py

@@ -175,9 +175,10 @@ class ProtectCamera(ProtectDeviceEntity, Camera):
         self._stream_source = (  # pylint: disable=attribute-defined-outside-init
             None if disable_stream else rtsp_url
         )
-        self._attr_supported_features = (
-            CameraEntityFeature.STREAM if self._stream_source else 0
-        )
+        if self._stream_source:
+            self._attr_supported_features = CameraEntityFeature.STREAM
+        else:
+            self._attr_supported_features = CameraEntityFeature(0)
 
     @callback
     def _async_update_device_from_protect(self, device: ProtectModelWithId) -> None:

homeassistant/components/uvc/camera.py

@@ -107,14 +107,14 @@ class UnifiVideoCamera(Camera):
         return self._name
 
     @property
-    def supported_features(self) -> CameraEntityFeature | int:
+    def supported_features(self) -> CameraEntityFeature:
         """Return supported features."""
         channels = self._caminfo["channels"]
         for channel in channels:
             if channel["isRtspEnabled"]:
                 return CameraEntityFeature.STREAM
 
-        return 0
+        return CameraEntityFeature(0)
 
     @property
     def extra_state_attributes(self):

pylint/plugins/hass_enforce_type_hints.py

@@ -803,7 +803,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 ),
                 TypeHintMatch(
                     function_name="supported_features",
-                    return_type=["CameraEntityFeature", "int"],
+                    return_type="CameraEntityFeature",
                 ),
                 TypeHintMatch(
                     function_name="is_recording",