Formatting

streamrip/client/client.py

@@ -52,7 +52,8 @@ class Client(ABC):
         if headers is None:
             headers = {}
         return aiohttp.ClientSession(
-            headers={"User-Agent": DEFAULT_USER_AGENT}, **headers,
+            headers={"User-Agent": DEFAULT_USER_AGENT},
+            **headers,
         )
 
     def __del__(self):

streamrip/client/deezer.py

@@ -114,7 +114,9 @@ class DeezerClient(Client):
         return response
 
     async def get_downloadable(
-        self, item_id: str, quality: int = 2,
+        self,
+        item_id: str,
+        quality: int = 2,
     ) -> DeezerDownloadable:
         # TODO: optimize such that all of the ids are requested at once
         dl_info: dict = {"quality": quality, "id": item_id}
@@ -168,14 +170,19 @@ class DeezerClient(Client):
 
         if url is None:
             url = self._get_encrypted_file_url(
-                item_id, track_info["MD5_ORIGIN"], track_info["MEDIA_VERSION"],
+                item_id,
+                track_info["MD5_ORIGIN"],
+                track_info["MEDIA_VERSION"],
             )
 
         dl_info["url"] = url
         return DeezerDownloadable(self.session, dl_info)
 
     def _get_encrypted_file_url(
-        self, meta_id: str, track_hash: str, media_version: str,
+        self,
+        meta_id: str,
+        track_hash: str,
+        media_version: str,
     ):
         logger.debug("Unable to fetch URL. Trying encryption method.")
         format_number = 1

streamrip/client/qobuz.py

@@ -280,11 +280,16 @@ class QobuzClient(Client):
             raise NonStreamable
 
         return BasicDownloadable(
-            self.session, stream_url, "flac" if quality > 1 else "mp3",
+            self.session,
+            stream_url,
+            "flac" if quality > 1 else "mp3",
         )
 
     async def _paginate(
-        self, epoint: str, params: dict, limit: Optional[int] = None,
+        self,
+        epoint: str,
+        params: dict,
+        limit: Optional[int] = None,
     ) -> list[dict]:
         """Paginate search results.
 
@@ -359,7 +364,10 @@ class QobuzClient(Client):
         return None
 
     async def _request_file_url(
-        self, track_id: str, quality: int, secret: str,
+        self,
+        track_id: str,
+        quality: int,
+        secret: str,
     ) -> tuple[int, dict]:
         quality = self.get_quality(quality)
         unix_ts = time.time()

streamrip/client/soundcloud.py

@@ -159,7 +159,8 @@ class SoundcloudClient(Client):
             resp_json, status = await self._api_request(f"tracks/{item_id}/download")
             assert status == 200
             return SoundcloudDownloadable(
-                self.session, {"url": resp_json["redirectUri"], "type": "original"},
+                self.session,
+                {"url": resp_json["redirectUri"], "type": "original"},
             )
 
         if download_info == self.NOT_RESOLVED:
@@ -168,11 +169,16 @@ class SoundcloudClient(Client):
         # download_info contains mp3 stream url
         resp_json, status = await self._request(download_info)
         return SoundcloudDownloadable(
-            self.session, {"url": resp_json["url"], "type": "mp3"},
+            self.session,
+            {"url": resp_json["url"], "type": "mp3"},
         )
 
     async def search(
-        self, media_type: str, query: str, limit: int = 50, offset: int = 0,
+        self,
+        media_type: str,
+        query: str,
+        limit: int = 50,
+        offset: int = 0,
     ) -> list[dict]:
         # TODO: implement pagination
         assert media_type in ("track", "playlist")
@@ -236,7 +242,8 @@ class SoundcloudClient(Client):
             page_text = await resp.text(encoding="utf-8")
 
         *_, client_id_url_match = re.finditer(
-            r"<script\s+crossorigin\s+src=\"([^\"]+)\"", page_text,
+            r"<script\s+crossorigin\s+src=\"([^\"]+)\"",
+            page_text,
         )
 
         if client_id_url_match is None:
@@ -245,7 +252,8 @@ class SoundcloudClient(Client):
         client_id_url = client_id_url_match.group(1)
 
         app_version_match = re.search(
-            r'<script>window\.__sc_version="(\d+)"</script>', page_text,
+            r'<script>window\.__sc_version="(\d+)"</script>',
+            page_text,
         )
         if app_version_match is None:
             raise Exception("Could not find app version in %s" % client_id_url_match)

streamrip/config.py

@@ -220,7 +220,8 @@ DEFAULT_DOWNLOADS_FOLDER = os.path.join(HOME, "StreamripDownloads")
 DEFAULT_DOWNLOADS_DB_PATH = os.path.join(APP_DIR, "downloads.db")
 DEFAULT_FAILED_DOWNLOADS_DB_PATH = os.path.join(APP_DIR, "failed_downloads.db")
 DEFAULT_YOUTUBE_VIDEO_DOWNLOADS_FOLDER = os.path.join(
-    DEFAULT_DOWNLOADS_FOLDER, "YouTubeVideos",
+    DEFAULT_DOWNLOADS_FOLDER,
+    "YouTubeVideos",
 )
 BLANK_CONFIG_PATH = os.path.join(os.path.dirname(__file__), "config.toml")
 assert os.path.isfile(BLANK_CONFIG_PATH), "Template config not found"
@@ -324,7 +325,8 @@ class ConfigData:
         update_toml_section_from_config(self.toml["conversion"], self.conversion)
 
     def get_source(
-        self, source: str,
+        self,
+        source: str,
     ) -> QobuzConfig | DeezerConfig | SoundcloudConfig | TidalConfig:
         d = {
             "qobuz": self.qobuz,

streamrip/converter.py

@@ -85,7 +85,8 @@ class Converter:
         logger.debug("Generated conversion command: %s", self.command)
 
         process = await asyncio.create_subprocess_exec(
-            *self.command, stderr=asyncio.subprocess.PIPE,
+            *self.command,
+            stderr=asyncio.subprocess.PIPE,
         )
         out, err = await process.communicate()
         if process.returncode == 0 and os.path.isfile(self.tempfile):

streamrip/media/album_list.py

@@ -43,6 +43,6 @@ class AlbumList(Media):
 
     @staticmethod
     def batch(iterable, n=1):
-        l = len(iterable)
-        for ndx in range(0, l, n):
-            yield iterable[ndx : min(ndx + n, l)]
+        total = len(iterable)
+        for ndx in range(0, total, n):
+            yield iterable[ndx : min(ndx + n, total)]

streamrip/media/artwork.py

@@ -69,7 +69,8 @@ async def download_artwork(
         assert l_url is not None
         downloadables.append(
             BasicDownloadable(session, l_url, "jpg").download(
-                saved_cover_path, lambda _: None,
+                saved_cover_path,
+                lambda _: None,
             ),
         )
 
@@ -82,7 +83,8 @@ async def download_artwork(
         embed_cover_path = os.path.join(embed_dir, f"cover{hash(embed_url)}.jpg")
         downloadables.append(
             BasicDownloadable(session, embed_url, "jpg").download(
-                embed_cover_path, lambda _: None,
+                embed_cover_path,
+                lambda _: None,
             ),
         )
 

streamrip/media/playlist.py

@@ -80,7 +80,12 @@ class PendingPlaylistTrack(Pending):
             return None
 
         return Track(
-            meta, downloadable, self.config, self.folder, embedded_cover_path, self.db,
+            meta,
+            downloadable,
+            self.config,
+            self.folder,
+            embedded_cover_path,
+            self.db,
         )
 
     async def _download_cover(self, covers: Covers, folder: str) -> str | None:
@@ -125,9 +130,9 @@ class Playlist(Media):
 
     @staticmethod
     def batch(iterable, n=1):
-        l = len(iterable)
-        for ndx in range(0, l, n):
-            yield iterable[ndx : min(ndx + n, l)]
+        total = len(iterable)
+        for ndx in range(0, total, n):
+            yield iterable[ndx : min(ndx + n, total)]
 
 
 @dataclass(slots=True)
@@ -145,7 +150,13 @@ class PendingPlaylist(Pending):
         folder = os.path.join(parent, clean_filename(name))
         tracks = [
             PendingPlaylistTrack(
-                id, self.client, self.config, folder, name, position + 1, self.db,
+                id,
+                self.client,
+                self.config,
+                folder,
+                name,
+                position + 1,
+                self.db,
             )
             for position, id in enumerate(meta.ids())
         ]
@@ -191,12 +202,18 @@ class PendingLastfmPlaylist(Pending):
         s = self.Status(0, 0, len(titles_artists))
         if self.config.session.cli.progress_bars:
             with console.status(s.text(), spinner="moon") as status:
-                callback = lambda: status.update(s.text())
+
+                def callback():
+                    status.update(s.text())
+
                 for title, artist in titles_artists:
                     requests.append(self._make_query(f"{title} {artist}", s, callback))
                 results: list[tuple[str | None, bool]] = await asyncio.gather(*requests)
         else:
-            callback = lambda: None
+
+            def callback():
+                pass
+
             for title, artist in titles_artists:
                 requests.append(self._make_query(f"{title} {artist}", s, callback))
             results: list[tuple[str | None, bool]] = await asyncio.gather(*requests)
@@ -231,7 +248,10 @@ class PendingLastfmPlaylist(Pending):
         return Playlist(playlist_title, self.config, self.client, pending_tracks)
 
     async def _make_query(
-        self, query: str, s: Status, callback,
+        self,
+        query: str,
+        s: Status,
+        callback,
     ) -> tuple[str | None, bool]:
         """Try searching for `query` with main source. If that fails, try with next source.
 
@@ -261,7 +281,9 @@ class PendingLastfmPlaylist(Pending):
                 s.found += 1
                 return (
                     SearchResults.from_pages(
-                        self.fallback_client.source, "track", pages,
+                        self.fallback_client.source,
+                        "track",
+                        pages,
                     )
                     .results[0]
                     .id
@@ -272,7 +294,8 @@ class PendingLastfmPlaylist(Pending):
         return None, True
 
     async def _parse_lastfm_playlist(
-        self, playlist_url: str,
+        self,
+        playlist_url: str,
     ) -> tuple[str, list[tuple[str, str]]]:
         """From a last.fm url, return the playlist title, and a list of
         track titles and artist names.
@@ -337,7 +360,10 @@ class PendingLastfmPlaylist(Pending):
         return playlist_title, title_artist_pairs
 
     async def _make_query_mock(
-        self, _: str, s: Status, callback,
+        self,
+        _: str,
+        s: Status,
+        callback,
     ) -> tuple[str | None, bool]:
         await asyncio.sleep(random.uniform(1, 20))
         if random.randint(0, 4) >= 1:

streamrip/media/track.py

@@ -73,13 +73,15 @@ class Track(Media):
         c = self.config.session.filepaths
         formatter = c.track_format
         track_path = clean_filename(
-            self.meta.format_track_path(formatter), restrict=c.restrict_characters,
+            self.meta.format_track_path(formatter),
+            restrict=c.restrict_characters,
         )
         if c.truncate_to > 0 and len(track_path) > c.truncate_to:
             track_path = track_path[: c.truncate_to]
 
         self.download_path = os.path.join(
-            self.folder, f"{track_path}.{self.downloadable.extension}",
+            self.folder,
+            f"{track_path}.{self.downloadable.extension}",
         )
 
 
@@ -112,7 +114,12 @@ class PendingTrack(Pending):
         quality = self.config.session.get_source(source).quality
         downloadable = await self.client.get_downloadable(self.id, quality)
         return Track(
-            meta, downloadable, self.config, self.folder, self.cover_path, self.db,
+            meta,
+            downloadable,
+            self.config,
+            self.folder,
+            self.cover_path,
+            self.db,
         )
 
 
@@ -163,7 +170,8 @@ class PendingSingle(Pending):
         quality = getattr(self.config.session, self.client.source).quality
         assert isinstance(quality, int)
         folder = os.path.join(
-            self.config.session.downloads.folder, self._format_folder(album),
+            self.config.session.downloads.folder,
+            self._format_folder(album),
         )
         os.makedirs(folder, exist_ok=True)
 

streamrip/metadata/album_metadata.py

@@ -227,7 +227,8 @@ class AlbumMetadata:
         track_id = track["id"]
         bit_depth, sampling_rate = None, None
         explicit = typed(
-            safe_get(track, "publisher_metadata", "explicit", default=False), bool,
+            safe_get(track, "publisher_metadata", "explicit", default=False),
+            bool,
         )
         genre = typed(track["genre"], str)
         artist = typed(safe_get(track, "publisher_metadata", "artist"), str | None)
@@ -238,7 +239,8 @@ class AlbumMetadata:
         label = typed(track["label_name"], str | None)
         description = typed(track.get("description"), str | None)
         album_title = typed(
-            safe_get(track, "publisher_metadata", "album_title"), str | None,
+            safe_get(track, "publisher_metadata", "album_title"),
+            str | None,
         )
         album_title = album_title or "Unknown album"
         copyright = typed(safe_get(track, "publisher_metadata", "p_line"), str | None)

streamrip/metadata/covers.py

@@ -1,3 +1,6 @@
+TIDAL_COVER_URL = "https://resources.tidal.com/images/{uuid}/{width}x{height}.jpg"
+
+
 class Covers:
     COVER_SIZES = ("thumbnail", "small", "large", "original")
     CoverEntry = tuple[str, str | None, str | None]
@@ -78,7 +81,8 @@ class Covers:
     def from_soundcloud(cls, resp):
         c = cls()
         cover_url = (resp["artwork_url"] or resp["user"].get("avatar_url")).replace(
-            "large", "t500x500",
+            "large",
+            "t500x500",
         )
         c.set_cover_url("large", cover_url)
         return c
@@ -112,13 +116,12 @@ class Covers:
         :param uuid: VALID uuid string
         :param size:
         """
-        TIDAL_COVER_URL = (
-            "https://resources.tidal.com/images/{uuid}/{width}x{height}.jpg"
-        )
         possibles = (80, 160, 320, 640, 1280)
         assert size in possibles, f"size must be in {possibles}"
         return TIDAL_COVER_URL.format(
-            uuid=uuid.replace("-", "/"), height=size, width=size,
+            uuid=uuid.replace("-", "/"),
+            height=size,
+            width=size,
         )
 
     def __repr__(self):

streamrip/metadata/playlist_metadata.py

@@ -53,7 +53,8 @@ class PlaylistMetadata:
 
         for i, track in enumerate(resp["tracks"]["items"]):
             meta = TrackMetadata.from_qobuz(
-                AlbumMetadata.from_qobuz(track["album"]), track,
+                AlbumMetadata.from_qobuz(track["album"]),
+                track,
             )
             if meta is None:
                 logger.error(f"Track {i+1} in playlist {name} not available for stream")

streamrip/metadata/track_metadata.py

@@ -123,7 +123,8 @@ class TrackMetadata:
         track_id = track["id"]
         bit_depth, sampling_rate = None, None
         explicit = typed(
-            safe_get(track, "publisher_metadata", "explicit", default=False), bool,
+            safe_get(track, "publisher_metadata", "explicit", default=False),
+            bool,
         )
 
         title = typed(track["title"].strip(), str)

streamrip/metadata/util.py

@@ -26,7 +26,8 @@ def typed(thing, expected_type: Type[T]) -> T:
 
 
 def get_quality_id(
-    bit_depth: Optional[int], sampling_rate: Optional[int | float],
+    bit_depth: Optional[int],
+    sampling_rate: Optional[int | float],
 ) -> int:
     """Get the universal quality id from bit depth and sampling rate.
 

streamrip/rip/cli.py

@@ -5,6 +5,7 @@ import shutil
 import subprocess
 from functools import wraps
 
+import aiofiles
 import click
 from click_help_colors import HelpColorsGroup  # type: ignore
 from rich.logging import RichHandler
@@ -15,7 +16,6 @@ from .. import db
 from ..config import DEFAULT_CONFIG_PATH, Config, set_user_defaults
 from ..console import console
 from .main import Main
-from .user_paths import DEFAULT_CONFIG_PATH
 
 
 def coro(f):
@@ -33,7 +33,9 @@ def coro(f):
 )
 @click.version_option(version="2.0")
 @click.option(
-    "--config-path", default=DEFAULT_CONFIG_PATH, help="Path to the configuration file",
+    "--config-path",
+    default=DEFAULT_CONFIG_PATH,
+    help="Path to the configuration file",
 )
 @click.option("-f", "--folder", help="The folder to download items into.")
 @click.option(
@@ -50,18 +52,26 @@ def coro(f):
     help="Convert the downloaded files to an audio codec (ALAC, FLAC, MP3, AAC, or OGG)",
 )
 @click.option(
-    "--no-progress", help="Do not show progress bars", is_flag=True, default=False,
+    "--no-progress",
+    help="Do not show progress bars",
+    is_flag=True,
+    default=False,
 )
 @click.option(
-    "-v", "--verbose", help="Enable verbose output (debug mode)", is_flag=True,
+    "-v",
+    "--verbose",
+    help="Enable verbose output (debug mode)",
+    is_flag=True,
 )
 @click.pass_context
 def rip(ctx, config_path, folder, no_db, quality, convert, no_progress, verbose):
-    """Streamrip: the all in one music downloader.
-    """
+    """Streamrip: the all in one music downloader."""
     global logger
     logging.basicConfig(
-        level="INFO", format="%(message)s", datefmt="[%X]", handlers=[RichHandler()],
+        level="INFO",
+        format="%(message)s",
+        datefmt="[%X]",
+        handlers=[RichHandler()],
     )
     logger = logging.getLogger("streamrip")
     if verbose:
@@ -147,8 +157,8 @@ async def file(ctx, path):
     """
     with ctx.obj["config"] as cfg:
         async with Main(cfg) as main:
-            with open(path) as f:
-                await main.add_all([line for line in f])
+            async with aiofiles.open(path) as f:
+                await main.add_all([line async for line in f])
             await main.resolve()
             await main.rip()
 

streamrip/rip/main.py

@@ -3,7 +3,7 @@ import logging
 import os
 
 from .. import db
-from ..client import Client, DeezerClient, QobuzClient, SoundcloudClient
+from ..client import Client, DeezerClient, QobuzClient, SoundcloudClient, TidalClient
 from ..config import Config
 from ..console import console
 from ..media import Media, Pending, PendingLastfmPlaylist, remove_artwork_tempdirs
@@ -33,7 +33,7 @@ class Main:
         self.config = config
         self.clients: dict[str, Client] = {
             "qobuz": QobuzClient(config),
-            # "tidal": TidalClient(config),
+            "tidal": TidalClient(config),
             "deezer": DeezerClient(config),
             "soundcloud": SoundcloudClient(config),
         }
@@ -203,7 +203,11 @@ class Main:
             fallback_client = None
 
         pending_playlist = PendingLastfmPlaylist(
-            playlist_url, client, fallback_client, self.config, self.database,
+            playlist_url,
+            client,
+            fallback_client,
+            self.config,
+            self.database,
         )
         playlist = await pending_playlist.resolve()
 

streamrip/rip/parse_url.py

@@ -35,7 +35,10 @@ class URL(ABC):
 
     @abstractmethod
     async def into_pending(
-        self, client: Client, config: Config, db: Database,
+        self,
+        client: Client,
+        config: Config,
+        db: Database,
     ) -> Pending:
         raise NotImplementedError
 
@@ -50,7 +53,10 @@ class GenericURL(URL):
         return cls(generic_url, source)
 
     async def into_pending(
-        self, client: Client, config: Config, db: Database,
+        self,
+        client: Client,
+        config: Config,
+        db: Database,
     ) -> Pending:
         source, media_type, item_id = self.match.groups()
         assert client.source == source
@@ -80,7 +86,10 @@ class QobuzInterpreterURL(URL):
         return cls(qobuz_interpreter_url, "qobuz")
 
     async def into_pending(
-        self, client: Client, config: Config, db: Database,
+        self,
+        client: Client,
+        config: Config,
+        db: Database,
     ) -> Pending:
         url = self.match.group(0)
         artist_id = await self.extract_interpreter_url(url, client)
@@ -119,7 +128,10 @@ class SoundcloudURL(URL):
         self.url = url
 
     async def into_pending(
-        self, client: SoundcloudClient, config: Config, db: Database,
+        self,
+        client: SoundcloudClient,
+        config: Config,
+        db: Database,
     ) -> Pending:
         resolved = await client._resolve_url(self.url)
         media_type = resolved["kind"]

tests/fixtures/clients.py

@@ -13,7 +13,7 @@ def qobuz_client():
     config = Config.defaults()
     config.session.qobuz.email_or_userid = os.environ["QOBUZ_EMAIL"]
     config.session.qobuz.password_or_token = hashlib.md5(
-        os.environ["QOBUZ_PASSWORD"].encode("utf-8")
+        os.environ["QOBUZ_PASSWORD"].encode("utf-8"),
     ).hexdigest()
     if "QOBUZ_APP_ID" in os.environ and "QOBUZ_SECRETS" in os.environ:
         config.session.qobuz.app_id = os.environ["QOBUZ_APP_ID"]

tests/fixtures/config.py

@@ -6,11 +6,11 @@ import pytest
 from streamrip.config import Config
 
 
-@pytest.fixture
+@pytest.fixture()
 def config():
     c = Config.defaults()
     c.session.qobuz.email_or_userid = os.environ["QOBUZ_EMAIL"]
     c.session.qobuz.password_or_token = hashlib.md5(
-        os.environ["QOBUZ_PASSWORD"].encode("utf-8")
+        os.environ["QOBUZ_PASSWORD"].encode("utf-8"),
     ).hexdigest()
     return c

tests/test_config.py

@@ -8,7 +8,7 @@ SAMPLE_CONFIG = "tests/test_config.toml"
 
 
 # Define a fixture to create a sample ConfigData instance for testing
-@pytest.fixture
+@pytest.fixture()
 def sample_config_data() -> ConfigData:
     # Create a sample ConfigData instance here
     # You can customize this to your specific needs for testing
@@ -18,7 +18,7 @@ def sample_config_data() -> ConfigData:
 
 
 # Define a fixture to create a sample Config instance for testing
-@pytest.fixture
+@pytest.fixture()
 def sample_config() -> Config:
     # Create a sample Config instance here
     # You can customize this to your specific needs for testing
@@ -66,10 +66,15 @@ def test_sample_config_data_fields(sample_config_data):
             download_videos=True,
         ),
         deezer=DeezerConfig(
-            arl="testarl", quality=2, use_deezloader=True, deezloader_warnings=True
+            arl="testarl",
+            quality=2,
+            use_deezloader=True,
+            deezloader_warnings=True,
         ),
         soundcloud=SoundcloudConfig(
-            client_id="clientid", app_version="appversion", quality=0
+            client_id="clientid",
+            app_version="appversion",
+            quality=0,
         ),
         youtube=YoutubeConfig(
             video_downloads_folder="videodownloadsfolder",
@@ -92,7 +97,9 @@ def test_sample_config_data_fields(sample_config_data):
             saved_max_width=-1,
         ),
         metadata=MetadataConfig(
-            set_playlist_to_album=True, renumber_playlist_tracks=True, exclude=[]
+            set_playlist_to_album=True,
+            renumber_playlist_tracks=True,
+            exclude=[],
         ),
         qobuz_filters=QobuzDiscographyFilterConfig(
             extras=False,

tests/test_config_toml_match.py

@@ -4,14 +4,14 @@ import tomlkit
 from streamrip.config import *
 
 
-@pytest.fixture
+@pytest.fixture()
 def toml():
     with open("streamrip/config.toml") as f:
         t = tomlkit.parse(f.read())  # type: ignore
     return t
 
 
-@pytest.fixture
+@pytest.fixture()
 def config():
     return ConfigData.defaults()
 

tests/test_covers.py

@@ -3,7 +3,7 @@ import pytest
 from streamrip.metadata import Covers
 
 
-@pytest.fixture
+@pytest.fixture()
 def covers_all():
     c = Covers()
     c.set_cover("original", "ourl", None)
@@ -14,19 +14,19 @@ def covers_all():
     return c
 
 
-@pytest.fixture
+@pytest.fixture()
 def covers_none():
     return Covers()
 
 
-@pytest.fixture
+@pytest.fixture()
 def covers_one():
     c = Covers()
     c.set_cover("small", "surl", None)
     return c
 
 
-@pytest.fixture
+@pytest.fixture()
 def covers_some():
     c = Covers()
     c.set_cover("large", "lurl", None)

tests/test_qobuz_client.py

@@ -11,8 +11,7 @@ from streamrip.qobuz_client import QobuzClient
 logger = logging.getLogger("streamrip")
 
 
-@pytest.mark.usefixtures("qobuz_client")
-@pytest.fixture
+@pytest.fixture()
 def client(qobuz_client):
     return qobuz_client
 

tests/test_tagger.py

@@ -16,7 +16,7 @@ def wipe_test_flac():
     audio.save()
 
 
-@pytest.fixture
+@pytest.fixture()
 def sample_metadata() -> TrackMetadata:
     return TrackMetadata(
         TrackInfo(