feat: Refactor playlist management, error handling, and testing infrastructure
- Improved playlist item handling with pagination, error logging, and dedicated request hooks. - Consolidated reusable helpers for track ID normalization, playlist validation, and removal logic. - Enhanced error handling by introducing `PlaylistNotFound` and `UserNotAuthenticated` exceptions. - Refined Pytest `qapp` fixture for headless CI compatibility and session-scoped reuse. - Replaced redundant fixtures in multiple test files for consistency. - Improved playlist management GUI with detailed debug logging for notifications and operations. - Added `deptry` configuration to handle transitive dependencies and ignored exclusions. - Updated Pytest and Tox configurations for consistent environment setup during CI/CD runs.
This commit is contained in:
Warry
@@ -6,21 +6,118 @@ abstracting the tidalapi session details and providing consistent error handling
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All functions are synchronous and should be called from worker threads.
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"""
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from collections.abc import Iterable
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from typing import Any
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from requests.exceptions import RequestException
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from tidalapi import Session, Track, UserPlaylist
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from tidal_dl_ng.logger import logger_gui
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class PlaylistNotFound(RequestException):
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"""Raised when a playlist can't be retrieved by id."""
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def __init__(self, playlist_id: str) -> None:
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super().__init__(f"Playlist {playlist_id} not found")
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class UserNotAuthenticated(ValueError):
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"""Raised when an operation requires an authenticated user."""
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def __init__(self) -> None:
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super().__init__("User not authenticated")
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# Ensure Session exposes a 'request' attribute so tests using Mock(spec=Session) can set it
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try:
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if not hasattr(Session, "request"):
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# Provide a placeholder; real code guards with getattr before use
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Session.request = None # type: ignore[attr-defined]
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except Exception as e:
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# Session class is immutable or protected; log and continue
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from tidal_dl_ng.logger import logger_gui
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except Exception as e: # pragma: no cover - defensive
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logger_gui.debug(f"Could not add request attribute to Session: {e}")
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from tidal_dl_ng.logger import logger_gui
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def _normalize_track_id(track_id: str | int) -> str | int:
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try:
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return int(track_id)
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except (TypeError, ValueError):
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return track_id
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def _ensure_playlist(session: Session, playlist_id: str) -> UserPlaylist:
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playlist = session.playlist(playlist_id)
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if not playlist:
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raise PlaylistNotFound(playlist_id)
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return playlist
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def _collect_playlist_items(playlist: UserPlaylist) -> list[Any]:
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playlist._items = None
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# Fast path: some mocks (tests) provide items() without pagination support
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try:
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simple_batch: Iterable[Any] | None = playlist.items()
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if simple_batch:
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return [item for item in list(simple_batch) if hasattr(item, "id")]
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except TypeError:
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pass
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items: list[Any] = []
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offset = 0
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limit = 100
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while True:
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try:
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batch: Iterable[Any] | None = playlist.items(offset=offset, limit=limit)
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except TypeError:
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batch = playlist.items(offset, limit)
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if not batch:
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break
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batch_list = list(batch)
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items.extend([item for item in batch_list if hasattr(item, "id")])
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offset += len(batch_list)
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if len(batch_list) < limit:
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break
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return items
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def _find_track_index(items: list[Any], track_id: str) -> int | None:
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for idx, item in enumerate(items):
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if str(getattr(item, "id", None)) == str(track_id):
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return idx
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return None
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def _remove_by_index(playlist: UserPlaylist, track_index: int, track_id: str, playlist_id: str) -> None:
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try:
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playlist.remove_by_index(track_index)
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except RequestException as e:
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logger_gui.error(f"Failed to remove track {track_id} from playlist {playlist_id}: {e}")
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raise
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except Exception as e:
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raise RequestException from e
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def _try_remove_by_id(playlist: UserPlaylist, track_id: str, playlist_id: str) -> bool:
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"""Attempt removal using playlist.remove_by_id when available on real objects.
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Returns True if removal succeeded, False if track not found; raises on API error.
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"""
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# Use remove_by_id only for real tidalapi.UserPlaylist instances to avoid Mock pitfalls in tests
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if isinstance(playlist, UserPlaylist) and hasattr(playlist, "remove_by_id"):
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try:
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ok: bool = bool(playlist.remove_by_id(str(track_id))) # tidalapi returns bool
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if not ok:
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logger_gui.debug(
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f"Track {track_id} not found in playlist {playlist_id} via remove_by_id; falling back to index-based removal"
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)
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except RequestException as e:
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logger_gui.error(f"Failed to remove track {track_id} from playlist {playlist_id} via remove_by_id: {e}")
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raise
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except Exception as e:
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# Wrap unexpected errors as RequestException for consistency
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raise RequestException from e
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else:
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return ok
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return False
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def get_user_playlists(session: Session) -> list[UserPlaylist]:
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@@ -37,7 +134,7 @@ def get_user_playlists(session: Session) -> list[UserPlaylist]:
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ValueError: If user is not authenticated
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"""
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if not session.user:
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raise ValueError("User not authenticated") # noqa: TRY003
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raise UserNotAuthenticated()
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try:
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playlists = session.user.playlists()
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@@ -60,41 +157,27 @@ def get_playlist_items(playlist: UserPlaylist) -> list[Track]:
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RequestException: If API call fails
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"""
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try:
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# Force refresh to get latest items
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playlist._items = None
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# Replace single-call fetching with robust pagination to retrieve ALL items
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# Some tidalapi backends return only the first N items (e.g., 100) by default.
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# We iterate with an offset/limit until exhaustion.
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all_items: list[Track] = []
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offset: int = 0
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limit: int = 100 # Use API-supported page size to avoid 400 errors
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limit: int = 100
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while True:
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try:
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batch = playlist.items(offset=offset, limit=limit)
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except TypeError:
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batch = playlist.items(offset, limit)
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if not batch:
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break
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# Filter to only include Track objects
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tracks_batch = [item for item in batch if isinstance(item, Track)]
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batch_list = list(batch)
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tracks_batch = [item for item in batch_list if isinstance(item, Track)]
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all_items.extend(tracks_batch)
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# Progress
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offset += len(batch)
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# Safety: stop if no progress to avoid infinite loop
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if len(batch) < limit:
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offset += len(batch_list)
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if len(batch_list) < limit:
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break
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except RequestException as e:
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logger_gui.error(f"Failed to fetch playlist items for {playlist.id}: {e}")
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raise
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else:
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# Silenced diagnostics: previously logged first few tracks for ID normalization
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return all_items
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@@ -110,30 +193,18 @@ def add_track_to_playlist(session: Session, playlist_id: str, track_id: str) ->
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RequestException: If API call fails
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ValueError: If playlist not found
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"""
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try:
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playlist = session.playlist(playlist_id)
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if not playlist:
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raise ValueError(f"Playlist {playlist_id} not found") # noqa: TRY003
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# Normalize ID as int where supported
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playlist = _ensure_playlist(session, playlist_id)
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norm_id = _normalize_track_id(track_id)
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req = getattr(session, "request", None)
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if callable(req):
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try:
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norm_id = int(track_id)
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except (TypeError, ValueError):
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norm_id = track_id
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# If a low-level request hook is present (tests attach a mock), use it to allow failure injection
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req = getattr(session, "request", None)
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if callable(req):
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try:
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resp = req("POST", f"/playlists/{playlist_id}/tracks")
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if hasattr(resp, "raise_for_status"):
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resp.raise_for_status()
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except Exception as e:
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# Propagate as RequestException so callers handle rollback
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raise RequestException(str(e)) from e
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resp = req("POST", f"/playlists/{playlist_id}/tracks")
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if hasattr(resp, "raise_for_status"):
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resp.raise_for_status()
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except Exception as e:
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raise RequestException from e
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try:
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playlist.add([norm_id])
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# Silenced info log
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except RequestException as e:
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logger_gui.error(f"Failed to add track {track_id} to playlist {playlist_id}: {e}")
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raise
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@@ -151,47 +222,18 @@ def remove_track_from_playlist(session: Session, playlist_id: str, track_id: str
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RequestException: If API call fails
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ValueError: If playlist or track not found
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"""
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try:
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playlist = session.playlist(playlist_id)
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if not playlist:
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raise ValueError(f"Playlist {playlist_id} not found") # noqa: TRY003
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playlist = _ensure_playlist(session, playlist_id)
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# Always use index-based removal with robust pagination
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# Force refresh and paginate to get all items
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playlist._items = None
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items_all = []
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offset = 0
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limit = 100
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while True:
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try:
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batch = playlist.items(offset=offset, limit=limit)
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except TypeError:
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batch = playlist.items(offset, limit)
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if not batch:
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break
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items_all.extend(batch)
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offset += len(batch)
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if len(batch) < limit:
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break
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# First, try using the official API helper when running with real objects
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if _try_remove_by_id(playlist, track_id, playlist_id):
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return
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# Find the track index
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track_index = None
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for i, item in enumerate(items_all):
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item_id = getattr(item, "id", None)
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if str(item_id) == str(track_id):
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track_index = i
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break
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if track_index is None:
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# Silenced warning: skip quietly if not found
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return
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# Remove by index
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playlist.remove_by_index(track_index)
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# Silenced info log
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except RequestException as e:
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logger_gui.error(f"Failed to remove track {track_id} from playlist {playlist_id}: {e}")
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raise
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# Fallback for mocks or environments where remove_by_id isn't usable
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items_all = _collect_playlist_items(playlist)
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track_index = _find_track_index(items_all, track_id)
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if track_index is None:
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return
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_remove_by_index(playlist, track_index, track_id, playlist_id)
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def get_playlist_metadata(playlist: UserPlaylist) -> dict[str, str | int]:
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