feat(media): MprisController fängt Player- und Bus-Fehler sauber ab

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_media_mpris.py

@@ -97,3 +97,79 @@ async def test_resume_with_empty_paused_list_is_noop(monkeypatch):
     await controller.resume()
 
     get_player.assert_not_awaited()
+
+
+@pytest.mark.asyncio
+async def test_pause_logs_and_continues_when_single_player_fails(monkeypatch, caplog):
+    from whisper_local.media._mpris import MprisController
+
+    good = _make_player("Playing")
+
+    async def fake_get_player(name: str):
+        if name.endswith("broken"):
+            raise RuntimeError("player disappeared")
+        return good
+
+    controller = MprisController()
+    monkeypatch.setattr(
+        controller,
+        "_list_player_names",
+        AsyncMock(return_value=[
+            "org.mpris.MediaPlayer2.broken",
+            "org.mpris.MediaPlayer2.good",
+        ]),
+    )
+    monkeypatch.setattr(controller, "_get_player_interface", fake_get_player)
+
+    with caplog.at_level("WARNING"):
+        await controller.pause()
+
+    good.call_pause.assert_awaited_once()
+    assert controller._paused == ["org.mpris.MediaPlayer2.good"]
+    assert any("broken" in r.message for r in caplog.records)
+
+
+@pytest.mark.asyncio
+async def test_resume_logs_and_continues_when_single_player_fails(monkeypatch, caplog):
+    from whisper_local.media._mpris import MprisController
+
+    good = _make_player("Paused")
+
+    async def fake_get_player(name: str):
+        if name.endswith("broken"):
+            raise RuntimeError("player disappeared")
+        return good
+
+    controller = MprisController()
+    controller._paused = [
+        "org.mpris.MediaPlayer2.broken",
+        "org.mpris.MediaPlayer2.good",
+    ]
+    monkeypatch.setattr(controller, "_get_player_interface", fake_get_player)
+
+    with caplog.at_level("WARNING"):
+        await controller.resume()
+
+    good.call_play.assert_awaited_once()
+    assert controller._paused == []
+    assert any("broken" in r.message for r in caplog.records)
+
+
+@pytest.mark.asyncio
+async def test_pause_is_noop_when_bus_unreachable(monkeypatch, caplog):
+    from whisper_local.media._mpris import MprisController
+
+    async def failing_connect(self):
+        raise RuntimeError("no session bus")
+
+    monkeypatch.setattr(
+        "dbus_next.aio.MessageBus.connect", failing_connect, raising=False
+    )
+    controller = MprisController()
+
+    with caplog.at_level("WARNING"):
+        await controller.pause()
+
+    assert controller._paused == []
+    assert any("D-Bus" in r.message or "bus" in r.message.lower()
+               for r in caplog.records)

whisper_local/media/_mpris.py

@@ -43,27 +43,36 @@ class MprisController:
         """Pausiert einen Player, wenn er im Status 'Playing' ist.
         Gibt den Bus-Namen zurück, wenn pausiert wurde, sonst None.
         """
+        try:
             player = await self._get_player_interface(bus_name)
             status = await player.get_playback_status()
             if status != "Playing":
                 return None
             await player.call_pause()
             return bus_name
+        except Exception as e:
+            logger.warning("Konnte Player %s nicht pausieren: %s", bus_name, e)
+            return None
+
+    async def _resume_player(self, bus_name: str) -> None:
+        try:
+            player = await self._get_player_interface(bus_name)
+            await player.call_play()
+        except Exception as e:
+            logger.warning("Konnte Player %s nicht fortsetzen: %s", bus_name, e)
 
     async def pause(self) -> None:
+        try:
             names = await self._list_player_names()
+        except Exception as e:
+            logger.warning("D-Bus nicht erreichbar, überspringe Media-Pause: %s", e)
+            self._paused = []
+            return
         results = await asyncio.gather(
             *(self._pause_player(n) for n in names),
             return_exceptions=True,
         )
-        self._paused = [
-            name for name in results
-            if isinstance(name, str)
-        ]
-
-    async def _resume_player(self, bus_name: str) -> None:
-        player = await self._get_player_interface(bus_name)
-        await player.call_play()
+        self._paused = [name for name in results if isinstance(name, str)]
 
     async def resume(self) -> None:
         if not self._paused: