Stable: Fullscreen player, intro video, playlist update, overlay controls, clean shutdown, mouse hide, and robust exit fixes

signage_player/get_playlists.py

@@ -105,6 +105,38 @@ def download_media_files(playlist, media_dir):
         updated_playlist.append(updated_media)
     return updated_playlist
 
+def delete_old_playlists_and_media(current_version, playlist_dir, media_dir, keep_versions=1):
+    """
+    Delete old playlist files and media files not referenced by the latest playlist version.
+    keep_versions: number of latest versions to keep (default 1)
+    """
+    # Find all playlist files
+    playlist_files = [f for f in os.listdir(playlist_dir) if f.startswith('server_playlist_v') and f.endswith('.json')]
+    # Keep only the latest N versions
+    versions = sorted([int(f.split('_v')[-1].split('.json')[0]) for f in playlist_files], reverse=True)
+    keep = set(versions[:keep_versions])
+    # Delete old playlist files
+    for f in playlist_files:
+        v = int(f.split('_v')[-1].split('.json')[0])
+        if v not in keep:
+            os.remove(os.path.join(playlist_dir, f))
+    # Collect all media files referenced by the kept playlists
+    referenced = set()
+    for v in keep:
+        path = os.path.join(playlist_dir, f'server_playlist_v{v}.json')
+        if os.path.exists(path):
+            with open(path, 'r') as f:
+                data = json.load(f)
+            for item in data.get('playlist', []):
+                referenced.add(item.get('file_name'))
+    # Delete media files not referenced
+    for f in os.listdir(media_dir):
+        if f not in referenced:
+            try:
+                os.remove(os.path.join(media_dir, f))
+            except Exception as e:
+                Logger.warning(f"Failed to delete media file {f}: {e}")
+
 def update_playlist_if_needed(local_playlist_path, config, media_dir, playlist_dir):
     """
     Fetch the server playlist once, compare versions, and update if needed.
@@ -125,6 +157,8 @@ def update_playlist_if_needed(local_playlist_path, config, media_dir, playlist_d
             updated_playlist = download_media_files(server_data['playlist'], media_dir)
             server_data['playlist'] = updated_playlist
             save_playlist_with_version(server_data, playlist_dir)
+            # Delete old playlists and unreferenced media
+            delete_old_playlists_and_media(server_version, playlist_dir, media_dir)
             return True
         else:
             Logger.warning("No playlist data fetched from server or playlist is empty.")
@@ -135,4 +169,3 @@ def update_playlist_if_needed(local_playlist_path, config, media_dir, playlist_d
 
 
 
-