feat: support playlistSongIndex

src/metadata.py

@@ -25,6 +25,7 @@ class SongMetadata(BaseModel):
     record_company: Optional[str] = None
     upc: Optional[str] = None
     isrc: Optional[str] = None
+    playlistIndex: Optional[int] = None
 
     def to_itags_params(self, embed_metadata: list[str]):
         tags = []
@@ -32,6 +33,8 @@ class SongMetadata(BaseModel):
             if not value:
                 continue
             if key in embed_metadata and value:
+                if "playlist" in key:
+                    continue
                 if key == "cover":
                     continue
                 if key == "lyrics":
@@ -60,3 +63,6 @@ class SongMetadata(BaseModel):
 
     async def get_cover(self, cover_format: str, cover_size: str):
         self.cover = await get_cover(self.cover_url, cover_format, cover_size)
+
+    def set_playlist_index(self, index: int):
+        self.playlistIndex = index

src/models/playlist_info.py

@@ -132,3 +132,4 @@ class Datum(BaseModel):
 
 class PlaylistInfo(BaseModel):
     data: List[Datum]
+    songIdIndexMapping: dict[str, int] = {}

src/rip.py

@@ -14,7 +14,7 @@ from src.mp4 import extract_media, extract_song, encapsulate, write_metadata
 from src.save import save
 from src.types import GlobalAuthParams, Codec
 from src.url import Song, Album, URLType, Artist, Playlist
-from src.utils import check_song_exists, if_raw_atmos
+from src.utils import check_song_exists, if_raw_atmos, playlist_write_song_index
 
 
 @logger.catch
@@ -24,6 +24,8 @@ async def rip_song(song: Song, auth_params: GlobalAuthParams, codec: str, config
     token = auth_params.anonymousAccessToken
     song_data = await get_song_info(song.id, token, song.storefront, config.region.language)
     song_metadata = SongMetadata.parse_from_song_data(song_data)
+    if playlist:
+        song_metadata.set_playlist_index(playlist.songIdIndexMapping.get(song.id))
     logger.info(f"Ripping song: {song_metadata.artist} - {song_metadata.title}")
     if not force_save and check_song_exists(song_metadata, config.download, codec, playlist):
         logger.info(f"Song: {song_metadata.artist} - {song_metadata.title} already exists")
@@ -74,13 +76,17 @@ async def rip_album(album: Album, auth_params: GlobalAuthParams, codec: str, con
 
 async def rip_playlist(playlist: Playlist, auth_params: GlobalAuthParams, codec: str, config: Config, device: Device,
                        force_save: bool = False):
-    playlist_info = await get_playlist_info_and_tracks(playlist.id, auth_params.anonymousAccessToken, playlist.storefront,
+    playlist_info = await get_playlist_info_and_tracks(playlist.id, auth_params.anonymousAccessToken,
+                                                       playlist.storefront,
                                                        config.region.language)
-    logger.info(f"Ripping Playlist: {playlist_info.data[0].attributes.curatorName} - {playlist_info.data[0].attributes.name}")
+    playlist_info = playlist_write_song_index(playlist_info)
+    logger.info(
+        f"Ripping Playlist: {playlist_info.data[0].attributes.curatorName} - {playlist_info.data[0].attributes.name}")
     async with asyncio.TaskGroup() as tg:
         for track in playlist_info.data[0].relationships.tracks.data:
             song = Song(id=track.id, storefront=playlist.storefront, url="", type=URLType.Song)
-            tg.create_task(rip_song(song, auth_params, codec, config, device, force_save=force_save, playlist=playlist_info))
+            tg.create_task(
+                rip_song(song, auth_params, codec, config, device, force_save=force_save, playlist=playlist_info))
     logger.info(
         f"Playlist: {playlist_info.data[0].attributes.curatorName} - {playlist_info.data[0].attributes.name} finished ripping")
 

src/utils.py

@@ -147,11 +147,12 @@ def playlist_metadata_to_params(playlist: PlaylistInfo):
             "playlistCuratorName": playlist.data[0].attributes.curatorName}
 
 
-def get_song_name_and_dir_path(codec: str, config: Download, metadata, playlist: PlaylistMeta = None):
+def get_song_name_and_dir_path(codec: str, config: Download, metadata, playlist: PlaylistInfo = None):
     if playlist:
-        song_name = config.playlistSongNameFormat.format(codec=codec, **metadata.model_dump(),
-                                                         **playlist_metadata_to_params(playlist))
-        dir_path = Path(config.playlistDirPathFormat.format(codec=codec, **metadata.model_dump(),
+        song_name = config.playlistSongNameFormat.format(codec=codec, playlistSongIndex=metadata.playlistIndex,
+                                                         **metadata.model_dump())
+        dir_path = Path(config.playlistDirPathFormat.format(codec=codec,
+                                                            **metadata.model_dump(),
                                                             **playlist_metadata_to_params(playlist)))
     else:
         song_name = config.songNameFormat.format(codec=codec, **metadata.model_dump())
@@ -160,3 +161,9 @@ def get_song_name_and_dir_path(codec: str, config: Download, metadata, playlist:
         song_name = get_valid_filename(song_name)
         dir_path = Path(*[get_valid_filename(part) if ":\\" not in part else part for part in dir_path.parts])
     return song_name, dir_path
+
+
+def playlist_write_song_index(playlist: PlaylistInfo):
+    for track_index, track in enumerate(playlist.data[0].relationships.tracks.data):
+        playlist.songIdIndexMapping[track.id] = track_index + 1
+    return playlist