Enforce strict typing for Russound RIO (#132982)

.strict-typing

@@ -402,6 +402,7 @@ homeassistant.components.romy.*
 homeassistant.components.rpi_power.*
 homeassistant.components.rss_feed_template.*
 homeassistant.components.rtsp_to_webrtc.*
+homeassistant.components.russound_rio.*
 homeassistant.components.ruuvi_gateway.*
 homeassistant.components.ruuvitag_ble.*
 homeassistant.components.samsungtv.*

homeassistant/components/russound_rio/media_player.py

@@ -148,37 +148,37 @@ class RussoundZoneDevice(RussoundBaseEntity, MediaPlayerEntity):
         return MediaPlayerState.ON
 
     @property
-    def source(self):
+    def source(self) -> str:
         """Get the currently selected source."""
         return self._source.name
 
     @property
-    def source_list(self):
+    def source_list(self) -> list[str]:
         """Return a list of available input sources."""
         return [x.name for x in self._sources.values()]
 
     @property
-    def media_title(self):
+    def media_title(self) -> str | None:
         """Title of current playing media."""
         return self._source.song_name
 
     @property
-    def media_artist(self):
+    def media_artist(self) -> str | None:
         """Artist of current playing media, music track only."""
         return self._source.artist_name
 
     @property
-    def media_album_name(self):
+    def media_album_name(self) -> str | None:
         """Album name of current playing media, music track only."""
         return self._source.album_name
 
     @property
-    def media_image_url(self):
+    def media_image_url(self) -> str | None:
         """Image url of current playing media."""
         return self._source.cover_art_url
 
     @property
-    def volume_level(self):
+    def volume_level(self) -> float:
         """Volume level of the media player (0..1).
 
         Value is returned based on a range (0..50).

homeassistant/components/russound_rio/quality_scale.yaml

@@ -83,4 +83,4 @@ rules:
     status: exempt
     comment: |
       This integration uses telnet exclusively and does not make http calls.
-  strict-typing: todo
+  strict-typing: done

mypy.ini

@@ -3775,6 +3775,16 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.russound_rio.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.ruuvi_gateway.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true