fixing a divide by 0, dict instead of list

music/tasks/run_user_playlist.py

@@ -78,9 +78,9 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
 
     try:
         if not playlist.include_spotify_owned:
-            user_playlists = [(i.name, i.uri) for i in spotnet.playlists() if 'spotify' not in i.owner.display_name.lower()]
+            user_playlists = {i.name: i.uri for i in spotnet.playlists() if 'spotify' not in i.owner.display_name.lower()}
         else:
-            user_playlists = [(i.name, i.uri) for i in spotnet.playlists()]
+            user_playlists = {i.name: i.uri for i in spotnet.playlists()}
     except SpotifyNetworkException as e:
         logger.exception(f'error occured while retrieving playlists {username} / {playlist_name}')
         raise e
@@ -102,7 +102,7 @@ def run_user_playlist(user: User, playlist: Playlist, spotnet: SpotNetwork = Non
             log_name = uri
 
         except ValueError:  # is a playlist name
-            part_playlist = next((i for i in user_playlists if i[0] == part_name), None)
+            part_playlist = user_playlists.get(part_name)
             if part_playlist is None:
                 logger.warning(f'playlist {part_name} not found {username} / {playlist_name}')
                 continue

music/tasks/update_tag.py

@@ -61,12 +61,6 @@ def update_tag(user, tag, spotnet=None, fmnet=None):
     tag.count = 0
     tag.total_time_ms = 0
 
-    try:
-        user_scrobbles = fmnet.user_scrobble_count()
-    except LastFMNetworkException:
-        logger.exception(f'error retrieving scrobble count {username} / {tag_id}')
-        user_scrobbles = 1
-
     artists = []
     for artist in tag.artists:
         try:
@@ -160,8 +154,21 @@ def update_tag(user, tag, spotnet=None, fmnet=None):
     tag.artists = artists
 
     tag.total_time = seconds_to_time_str(milliseconds=tag.total_time_ms)
+
+    try:
+        user_scrobbles = fmnet.user_scrobble_count()
+    except LastFMNetworkException:
+        logger.exception(f'error retrieving scrobble count {username} / {tag_id}')
+        user_scrobbles = 0
+
+    if user_scrobbles > 0:
         tag.total_user_scrobbles = user_scrobbles
         tag.proportion = (tag.count / user_scrobbles) * 100
+    else:
+        logger.warning(f'user scrobble count for {username} returned 0')
+        tag.total_user_scrobbles = 0
+        tag.proportion = 0
+
     tag.last_updated = datetime.utcnow()
 
     tag.update()