moved from list to dict for export

backerupper.py

@@ -30,6 +30,7 @@ def get_user_id(db: str, name: str) -> str:
         print(f"Failed to read id from {db}: {e}")
         return ''
 
+
 class ExportService():
     @staticmethod
     def exp(db: str, user_id: str):
@@ -39,43 +40,45 @@ class ExportService():
 
 
     @staticmethod
-    def get_annotations(db: str, user_id: str) -> list:
+    def get_annotations(db: str, user_id: str) -> dict:
         """Fetches all annotations belonging to the user with id <user_id> from the provided sql3 navidrome database <db>.
 
         input:
             db: path to a navidrome sql3 database. This database must contain at least the annotation and media_file tables.
             user_id: the user_id to fetch annotations from.
         output:
-            list of annotations in the format (path, playCount, rating, starred).
+            dict of annotations in the format {path: (playCount, rating, starred)}.
         """
+        annos = {}
         try:
             conn = sqlite3.connect(db)
             cursor = conn.cursor()
             cursor.execute(f"""SELECT path,play_count,rating,starred FROM annotation INNER JOIN media_file ON item_id=id WHERE user_id='{user_id}' AND item_type='media_file'""")
-            annos = cursor.fetchall()
+            for p,pc,r,s in cursor.fetchall():
+                annos[p] = (pc,r,s)
             conn.close()
             return annos
         except sqlite3.OperationalError as e:
             print(f"Failed to read data from {db}: {e}")
-            return []
+            return annos
 
 
     @staticmethod
-    def write_annotations(annos: list):
+    def write_annotations(annos: dict):
         """Writes a list of annotations to id3v2 tags.
 
         The tags used are TXXX=FNVD_<NAME>, where <NAME> is one of PlayCount, Rating, Starred.
 
         input:
-            annos: list of annotations. Format must be (path, playCount, rating, starred).
+            annos: dict of annotations. Format must be {path: (playCount, rating, starred)}.
         """
         count = 0
-        for a in annos:
+        for k,v in annos.items():
             try:
-                file = id3.ID3(a[0])
-                file.add(TXXX(desc="FNVD_PlayCount", text=str(a[1])))
-                file.add(TXXX(desc="FNVD_Rating", text=str(a[2])))
-                file.add(TXXX(desc="FNVD_Starred", text=str(a[3])))
+                file = id3.ID3(k)
+                file.add(TXXX(desc="FNVD_PlayCount", text=str(v[0])))
+                file.add(TXXX(desc="FNVD_Rating", text=str(v[1])))
+                file.add(TXXX(desc="FNVD_Starred", text=str(v[2])))
                 file.save()
                 count += 1
             except MutagenError as e: