[music] Tracks can have multiple artists

vrobbler/apps/music/utils.py

@@ -15,12 +15,26 @@ def clean_artist_name(name: str) -> str:
         name = re.split(" w. ", name, flags=re.IGNORECASE)[0].strip()
     if " featuring " in name.lower():
         name = re.split(" featuring ", name, flags=re.IGNORECASE)[0].strip()
-    # if " & " in name.lower() and "of the wand" not in name.lower():
-    #    name = re.split("&", name, flags=re.IGNORECASE)[0].strip()
 
     return name
 
 
+def parse_artist_names(name: str) -> list[str]:
+    """Split a combined artist string (e.g. 'A & B') into individual names.
+
+    First strips feat./featuring/w. prefixes, then splits on ' & ' to
+    support collaboration-style credits like 'Matt Sweeney & Bonnie Prince Billy'.
+    """
+    name = clean_artist_name(name)
+    if " & " in name.lower():
+        return [
+            part.strip()
+            for part in re.split(r"\s+&\s+", name, flags=re.IGNORECASE)
+            if part.strip()
+        ]
+    return [name]
+
+
 def get_or_create_various_artists() -> "Artist":
     from music.models import Artist
 
@@ -35,19 +49,19 @@ def deduplicate_tracks(commit=False) -> int:
     from music.models import Track
 
     duplicates = (
-        Track.objects.values("artist", "title")
+        Track.objects.values("title")
         .annotate(dup_count=models.Count("id"))
         .filter(dup_count__gt=1)
     )
 
     query = models.Q()
     for dup in duplicates:
-        query |= models.Q(artist=dup["artist"], title=dup["title"])
+        query |= models.Q(title=dup["title"])
 
     duplicate_tracks = Track.objects.filter(query)
 
     for b in duplicate_tracks:
-        tracks = Track.objects.filter(artist=b.artist, title=b.title)
+        tracks = Track.objects.filter(title=b.title)
         first = tracks.first()
         for other in tracks.exclude(id=first.id):
             print("Moving scrobbles for", other.id, " to ", first.id)
@@ -74,7 +88,7 @@ def condense_albums(commit: bool = False):
     for track in Track.objects.all():
         albums_to_add = []
         duplicates = (
-            Track.objects.filter(title=track.title, artist=track.artist)
+            Track.objects.filter(title=track.title)
             .exclude(id=track.id)
             .exclude(id__in=processed_ids)
         )
@@ -88,7 +102,7 @@ def condense_albums(commit: bool = False):
                 track.albums.add(dup_track.album)
 
         # Find out if this track appears more than once
-        duplicates = Track.objects.filter(title=track.title, artist=track.artist)
+        duplicates = Track.objects.filter(title=track.title)
         if duplicates.count() > 1:
             logger.info(f"Track appears more than once, condensing: {track}")