Make LocalSource reusable (home-assistant#151886)

Author: balloob

homeassistant/components/media_source/__init__.py

@@ -85,7 +85,12 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     frontend.async_register_built_in_panel(
         hass, "media-browser", "media_browser", "hass:play-box-multiple"
     )
-    local_source.async_setup(hass)
+
+    # Local sources support
+    await _process_media_source_platform(hass, DOMAIN, local_source)
+    hass.http.register_view(local_source.UploadMediaView)
+    websocket_api.async_register_command(hass, local_source.websocket_remove_media)
+
     await async_process_integration_platforms(
         hass, DOMAIN, _process_media_source_platform
     )
@@ -98,7 +103,10 @@ async def _process_media_source_platform(
     platform: MediaSourceProtocol,
 ) -> None:
     """Process a media source platform."""
-    hass.data[MEDIA_SOURCE_DATA][domain] = await platform.async_get_media_source(hass)
+    source = await platform.async_get_media_source(hass)
+    hass.data[MEDIA_SOURCE_DATA][domain] = source
+    if isinstance(source, local_source.LocalSource):
+        hass.http.register_view(local_source.LocalMediaView(hass, source))
 
 
 @callback