beets/beetsplug/spotify.py
2026-03-08 09:06:00 +00:00

816 lines
28 KiB
Python

# This file is part of beets.
# Copyright 2019, Rahul Ahuja.
# Copyright 2022, Alok Saboo.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
"""Adds Spotify release and track search support to the autotagger.
Also includes Spotify playlist construction.
"""
from __future__ import annotations
import base64
import collections
import json
import re
import threading
import time
import webbrowser
from http import HTTPStatus
from typing import TYPE_CHECKING, Any, ClassVar, Literal
import confuse
import requests
from beets import ui
from beets.autotag.hooks import AlbumInfo, TrackInfo
from beets.dbcore import types
from beets.library import Library
from beets.metadata_plugins import IDResponse, SearchApiMetadataSourcePlugin
if TYPE_CHECKING:
from collections.abc import Sequence
from beets.library import Item, Library
from beets.metadata_plugins import QueryType, SearchParams
from beetsplug._typing import JSONDict
DEFAULT_WAITING_TIME = 5
class SearchResponseAlbums(IDResponse):
"""A response returned by the Spotify API.
We only use items and disregard the pagination information. i.e.
res["albums"]["items"][0].
There are more fields in the response, but we only type the ones we
currently use.
see https://developer.spotify.com/documentation/web-api/reference/search
"""
album_type: str
available_markets: Sequence[str]
name: str
class SearchResponseTracks(IDResponse):
"""A track response returned by the Spotify API."""
album: SearchResponseAlbums
available_markets: Sequence[str]
popularity: int
name: str
class APIError(Exception):
pass
class AudioFeaturesUnavailableError(Exception):
"""Raised when audio features API returns 403 (deprecated)."""
pass
class SpotifyPlugin(
SearchApiMetadataSourcePlugin[SearchResponseAlbums | SearchResponseTracks]
):
item_types: ClassVar[dict[str, types.Type]] = {
"spotify_track_popularity": types.INTEGER,
"spotify_acousticness": types.FLOAT,
"spotify_danceability": types.FLOAT,
"spotify_energy": types.FLOAT,
"spotify_instrumentalness": types.FLOAT,
"spotify_key": types.FLOAT,
"spotify_liveness": types.FLOAT,
"spotify_loudness": types.FLOAT,
"spotify_mode": types.INTEGER,
"spotify_speechiness": types.FLOAT,
"spotify_tempo": types.FLOAT,
"spotify_time_signature": types.INTEGER,
"spotify_valence": types.FLOAT,
"spotify_updated": types.DATE,
}
# Base URLs for the Spotify API
# Documentation: https://developer.spotify.com/web-api
oauth_token_url = "https://accounts.spotify.com/api/token"
open_track_url = "https://open.spotify.com/track/"
search_url = "https://api.spotify.com/v1/search"
album_url = "https://api.spotify.com/v1/albums/"
track_url = "https://api.spotify.com/v1/tracks/"
audio_features_url = "https://api.spotify.com/v1/audio-features/"
spotify_audio_features: ClassVar[dict[str, str]] = {
"acousticness": "spotify_acousticness",
"danceability": "spotify_danceability",
"energy": "spotify_energy",
"instrumentalness": "spotify_instrumentalness",
"key": "spotify_key",
"liveness": "spotify_liveness",
"loudness": "spotify_loudness",
"mode": "spotify_mode",
"speechiness": "spotify_speechiness",
"tempo": "spotify_tempo",
"time_signature": "spotify_time_signature",
"valence": "spotify_valence",
}
def __init__(self):
super().__init__()
self.config.add(
{
"mode": "list",
"tiebreak": "popularity",
"show_failures": False,
"region_filter": None,
"regex": [],
"client_id": "4e414367a1d14c75a5c5129a627fcab8",
"client_secret": "4a9b5b7848e54e118a7523b1c7c3e1e5",
"tokenfile": "spotify_token.json",
}
)
self.config["client_id"].redact = True
self.config["client_secret"].redact = True
self.audio_features_available = (
True # Track if audio features API is available
)
self._audio_features_lock = (
threading.Lock()
) # Protects audio_features_available
self.setup()
def setup(self):
"""Retrieve previously saved OAuth token or generate a new one."""
try:
with open(self._tokenfile()) as f:
token_data = json.load(f)
except OSError:
self._authenticate()
else:
self.access_token = token_data["access_token"]
def _tokenfile(self) -> str:
"""Get the path to the JSON file for storing the OAuth token."""
return self.config["tokenfile"].get(confuse.Filename(in_app_dir=True))
def _authenticate(self) -> None:
"""Request an access token via the Client Credentials Flow: https://developer.spotify.com/documentation/general/guides/authorization-guide/#client-credentials-flow"""
c_id: str = self.config["client_id"].as_str()
c_secret: str = self.config["client_secret"].as_str()
headers = {
"Authorization": (
"Basic"
f" {base64.b64encode(f'{c_id}:{c_secret}'.encode()).decode()}"
)
}
response = requests.post(
self.oauth_token_url,
data={"grant_type": "client_credentials"},
headers=headers,
timeout=10,
)
try:
response.raise_for_status()
except requests.exceptions.HTTPError as e:
raise ui.UserError(
f"Spotify authorization failed: {e}\n{response.text}"
)
self.access_token = response.json()["access_token"]
# Save the token for later use.
self._log.debug("{0.data_source} access token: {0.access_token}", self)
with open(self._tokenfile(), "w") as f:
json.dump({"access_token": self.access_token}, f)
def _handle_response(
self,
method: Literal["get", "post", "put", "delete"],
url: str,
params: Any = None,
retry_count: int = 0,
max_retries: int = 3,
) -> JSONDict:
"""Send a request, reauthenticating if necessary.
:param method: HTTP method to use for the request.
:param url: URL for the new :class:`Request` object.
:param dict params: (optional) list of tuples or bytes to send
in the query string for the :class:`Request`.
"""
if retry_count > max_retries:
raise APIError("Maximum retries reached.")
try:
response = requests.request(
method,
url,
headers={"Authorization": f"Bearer {self.access_token}"},
params=params,
timeout=10,
)
response.raise_for_status()
return response.json()
except requests.exceptions.ReadTimeout:
self._log.error("ReadTimeout.")
raise APIError("Request timed out.")
except requests.exceptions.ConnectionError as e:
self._log.error("Network error: {}", e)
raise APIError("Network error.")
except requests.exceptions.RequestException as e:
if e.response is None:
self._log.error("Request failed: {}", e)
raise APIError("Request failed.")
if e.response.status_code == 401:
self._log.debug(
"{.data_source} access token has expired. Reauthenticating.",
self,
)
self._authenticate()
return self._handle_response(
method,
url,
params=params,
retry_count=retry_count + 1,
)
elif e.response.status_code == 404:
raise APIError(
f"API Error: {e.response.status_code}\n"
f"URL: {url}\nparams: {params}"
)
elif e.response.status_code == 403:
# Check if this is the audio features endpoint
if url.startswith(self.audio_features_url):
raise AudioFeaturesUnavailableError(
"Audio features API returned 403 "
"(deprecated or unavailable)"
)
raise APIError(
f"API Error: {e.response.status_code}\n"
f"URL: {url}\nparams: {params}"
)
elif e.response.status_code == 429:
seconds = e.response.headers.get(
"Retry-After", DEFAULT_WAITING_TIME
)
self._log.debug(
"Too many API requests. Retrying after {} seconds.", seconds
)
time.sleep(int(seconds) + 1)
return self._handle_response(
method,
url,
params=params,
retry_count=retry_count + 1,
)
elif e.response.status_code == 503:
self._log.error("Service Unavailable.")
raise APIError("Service Unavailable.")
elif e.response.status_code == 502:
self._log.error("Bad Gateway.")
raise APIError("Bad Gateway.")
elif e.response is not None:
raise APIError(
f"{self.data_source} API error:\n"
f"{e.response.text}\n"
f"URL:\n{url}\nparams:\n{params}"
)
else:
self._log.error("Request failed. Error: {}", e)
raise APIError("Request failed.")
def _multi_artist_credit(
self, artists: list[dict[str | int, str]]
) -> tuple[list[str], list[str]]:
"""Given a list of artist dictionaries, accumulate data into a pair
of lists: the first being the artist names, and the second being the
artist IDs.
"""
artist_names = []
artist_ids = []
for artist in artists:
artist_names.append(artist["name"])
artist_ids.append(artist["id"])
return artist_names, artist_ids
def album_for_id(self, album_id: str) -> AlbumInfo | None:
"""Fetch an album by its Spotify ID or URL and return an
AlbumInfo object or None if the album is not found.
:param str album_id: Spotify ID or URL for the album
:returns: AlbumInfo object for album
:rtype: beets.autotag.hooks.AlbumInfo or None
"""
if not (spotify_id := self._extract_id(album_id)):
return None
album_data = self._handle_response(
"get", f"{self.album_url}{spotify_id}"
)
if album_data["name"] == "":
self._log.debug("Album removed from Spotify: {}", album_id)
return None
artists_names, artists_ids = self._multi_artist_credit(
album_data["artists"]
)
artist = ", ".join(artists_names)
date_parts = [
int(part) for part in album_data["release_date"].split("-")
]
release_date_precision = album_data["release_date_precision"]
if release_date_precision == "day":
year, month, day = date_parts
elif release_date_precision == "month":
year, month = date_parts
day = None
elif release_date_precision == "year":
year = date_parts[0]
month = None
day = None
else:
raise ui.UserError(
"Invalid `release_date_precision` returned "
f"by {self.data_source} API: '{release_date_precision}'"
)
tracks_data = album_data["tracks"]
tracks_items = tracks_data["items"]
while tracks_data["next"]:
tracks_data = self._handle_response("get", tracks_data["next"])
tracks_items.extend(tracks_data["items"])
tracks = []
medium_totals: dict[int | None, int] = collections.defaultdict(int)
for i, track_data in enumerate(tracks_items, start=1):
track = self._get_track(track_data)
track.index = i
medium_totals[track.medium] += 1
tracks.append(track)
for track in tracks:
track.medium_total = medium_totals[track.medium]
return AlbumInfo(
album=album_data["name"],
album_id=spotify_id,
spotify_album_id=spotify_id,
artist=artist,
artist_id=artists_ids[0] if len(artists_ids) > 0 else None,
spotify_artist_id=artists_ids[0] if len(artists_ids) > 0 else None,
artists=artists_names,
artists_ids=artists_ids,
tracks=tracks,
albumtype=album_data["album_type"],
va=len(album_data["artists"]) == 1
and artist.lower() == "various artists",
year=year,
month=month,
day=day,
label=album_data["label"],
mediums=max(filter(None, medium_totals.keys())),
data_source=self.data_source,
data_url=album_data["external_urls"]["spotify"],
)
def _get_track(self, track_data: JSONDict) -> TrackInfo:
"""Convert a Spotify track object dict to a TrackInfo object.
:param track_data: Simplified track object
(https://developer.spotify.com/documentation/web-api/reference/object-model/#track-object-simplified)
:returns: TrackInfo object for track
"""
artists_names, artists_ids = self._multi_artist_credit(
track_data["artists"]
)
artist = ", ".join(artists_names)
# Get album information for spotify tracks
try:
album = track_data["album"]["name"]
except (KeyError, TypeError):
album = None
return TrackInfo(
title=track_data["name"],
track_id=track_data["id"],
spotify_track_id=track_data["id"],
artist=artist,
album=album,
artist_id=artists_ids[0] if len(artists_ids) > 0 else None,
spotify_artist_id=artists_ids[0] if len(artists_ids) > 0 else None,
artists=artists_names,
artists_ids=artists_ids,
length=track_data["duration_ms"] / 1000,
index=track_data["track_number"],
medium=track_data["disc_number"],
medium_index=track_data["track_number"],
data_source=self.data_source,
data_url=track_data["external_urls"]["spotify"],
)
def track_for_id(self, track_id: str) -> None | TrackInfo:
"""Fetch a track by its Spotify ID or URL.
Returns a TrackInfo object or None if the track is not found.
"""
if not (spotify_id := self._extract_id(track_id)):
self._log.debug("Invalid Spotify ID: {}", track_id)
return None
if not (
track_data := self._handle_response(
"get", f"{self.track_url}{spotify_id}"
)
):
self._log.debug("Track not found: {}", track_id)
return None
track = self._get_track(track_data)
# Get album's tracks to set `track.index` (position on the entire
# release) and `track.medium_total` (total number of tracks on
# the track's disc).
album_data = self._handle_response(
"get", f"{self.album_url}{track_data['album']['id']}"
)
medium_total = 0
for i, track_data in enumerate(album_data["tracks"]["items"], start=1):
if track_data["disc_number"] == track.medium:
medium_total += 1
if track_data["id"] == track.track_id:
track.index = i
track.medium_total = medium_total
return track
def get_search_query_with_filters(
self,
query_type: QueryType,
items: Sequence[Item],
artist: str,
name: str,
va_likely: bool,
) -> tuple[str, dict[str, str]]:
query = f'album:"{name}"' if query_type == "album" else name
if query_type == "track" or not va_likely:
query += f' artist:"{artist}"'
return query, {}
def get_search_response(
self, params: SearchParams
) -> Sequence[SearchResponseAlbums | SearchResponseTracks]:
"""Search Spotify and return raw album or track result items.
Unauthorized responses trigger one token refresh attempt before the
method gives up and falls back to an empty result set.
"""
for _ in range(2):
response = requests.get(
self.search_url,
headers={"Authorization": f"Bearer {self.access_token}"},
params={
**params.filters,
"q": params.query,
"type": params.query_type,
"limit": str(params.limit),
},
timeout=10,
)
try:
response.raise_for_status()
except requests.exceptions.HTTPError:
if response.status_code == HTTPStatus.UNAUTHORIZED:
self._authenticate()
continue
raise
return (
response.json()
.get(f"{params.query_type}s", {})
.get("items", [])
)
return ()
def commands(self) -> list[ui.Subcommand]:
# autotagger import command
def queries(lib, opts, args):
success = self._parse_opts(opts)
if success:
results = self._match_library_tracks(lib, args)
self._output_match_results(results)
spotify_cmd = ui.Subcommand(
"spotify", help=f"build a {self.data_source} playlist"
)
spotify_cmd.parser.add_option(
"-m",
"--mode",
action="store",
help=(
f'"open" to open {self.data_source} with playlist, '
'"list" to print (default)'
),
)
spotify_cmd.parser.add_option(
"-f",
"--show-failures",
action="store_true",
dest="show_failures",
help=f"list tracks that did not match a {self.data_source} ID",
)
spotify_cmd.func = queries
# spotifysync command
sync_cmd = ui.Subcommand(
"spotifysync", help="fetch track attributes from Spotify"
)
sync_cmd.parser.add_option(
"-f",
"--force",
dest="force_refetch",
action="store_true",
default=False,
help="re-download data when already present",
)
def func(lib, opts, args):
items = lib.items(args)
self._fetch_info(items, ui.should_write(), opts.force_refetch)
sync_cmd.func = func
return [spotify_cmd, sync_cmd]
def _parse_opts(self, opts):
if opts.mode:
self.config["mode"].set(opts.mode)
if opts.show_failures:
self.config["show_failures"].set(True)
if self.config["mode"].get() not in ["list", "open"]:
self._log.warning(
"{} is not a valid mode", self.config["mode"].get()
)
return False
self.opts = opts
return True
def _match_library_tracks(self, library: Library, keywords: str):
"""Get simplified track object dicts for library tracks.
Matches tracks based on the specified ``keywords``.
:param library: beets library object to query.
:param keywords: Query to match library items against.
:returns: List of simplified track object dicts for library
items matching the specified query.
"""
results = []
failures = []
items = library.items(keywords)
if not items:
self._log.debug(
"Your beets query returned no items, skipping {.data_source}.",
self,
)
return
self._log.info("Processing {} tracks...", len(items))
for item in items:
# Apply regex transformations if provided
for regex in self.config["regex"].get():
if (
not regex["field"]
or not regex["search"]
or not regex["replace"]
):
continue
value = item[regex["field"]]
item[regex["field"]] = re.sub(
regex["search"], regex["replace"], value
)
artist = item["artist"] or item["albumartist"]
album = item["album"]
query_string = item["title"]
# Query the Web API for each track, look for the items' JSON data
query = query_string
if artist:
query += f" artist:'{artist}'"
if album:
query += f" album:'{album}'"
response_data_tracks = self._search_api("track", query, {})
if not response_data_tracks:
failures.append(query)
continue
# Apply market filter if requested
region_filter: str = self.config["region_filter"].get()
if region_filter:
response_data_tracks = [
track_data
for track_data in response_data_tracks
if region_filter in track_data["available_markets"]
]
if (
len(response_data_tracks) == 1
or self.config["tiebreak"].get() == "first"
):
self._log.debug(
"{.data_source} track(s) found, count: {}",
self,
len(response_data_tracks),
)
chosen_result = response_data_tracks[0]
else:
# Use the popularity filter
self._log.debug(
"Most popular track chosen, count: {}",
len(response_data_tracks),
)
chosen_result = max(
response_data_tracks,
key=lambda x: x[
# We are sure this is a track response!
"popularity" # type: ignore[typeddict-item]
],
)
results.append(chosen_result)
failure_count = len(failures)
if failure_count > 0:
if self.config["show_failures"].get():
self._log.info(
"{} track(s) did not match a {.data_source} ID:",
failure_count,
self,
)
for track in failures:
self._log.info("track: {}", track)
self._log.info("")
else:
self._log.warning(
"{} track(s) did not match a {.data_source} ID:\n"
"use --show-failures to display",
failure_count,
self,
)
return results
def _output_match_results(self, results):
"""Open a playlist or print Spotify URLs.
Uses the provided track object dicts.
:param list[dict] results: List of simplified track object dicts
(https://developer.spotify.com/documentation/web-api/
reference/object-model/#track-object-simplified)
"""
if results:
spotify_ids = [track_data["id"] for track_data in results]
if self.config["mode"].get() == "open":
self._log.info(
"Attempting to open {.data_source} with playlist", self
)
spotify_url = (
f"spotify:trackset:Playlist:{','.join(spotify_ids)}"
)
webbrowser.open(spotify_url)
else:
for spotify_id in spotify_ids:
print(f"{self.open_track_url}{spotify_id}")
else:
self._log.warning(
"No {.data_source} tracks found from beets query", self
)
def _fetch_info(self, items, write, force):
"""Obtain track information from Spotify."""
self._log.debug("Total {} tracks", len(items))
for index, item in enumerate(items, start=1):
self._log.info(
"Processing {}/{} tracks - {} ", index, len(items), item
)
# If we're not forcing re-downloading for all tracks, check
# whether the popularity data is already present
if not force:
if "spotify_track_popularity" in item:
self._log.debug("Popularity already present for: {}", item)
continue
try:
spotify_track_id = item.spotify_track_id
except AttributeError:
self._log.debug("No track_id present for: {}", item)
continue
popularity, isrc, ean, upc = self.track_info(spotify_track_id)
item["spotify_track_popularity"] = popularity
item["isrc"] = isrc
item["ean"] = ean
item["upc"] = upc
if self.audio_features_available:
audio_features = self.track_audio_features(spotify_track_id)
if audio_features is None:
self._log.info("No audio features found for: {}", item)
else:
for feature, value in audio_features.items():
if feature in self.spotify_audio_features:
item[self.spotify_audio_features[feature]] = value
else:
self._log.debug("Audio features API unavailable, skipping")
item["spotify_updated"] = time.time()
item.store()
if write:
item.try_write()
def track_info(self, track_id: str):
"""Fetch a track's popularity and external IDs using its Spotify ID."""
track_data = self._handle_response("get", f"{self.track_url}{track_id}")
external_ids = track_data.get("external_ids", {})
popularity = track_data.get("popularity")
self._log.debug(
"track_popularity: {} and track_isrc: {}",
popularity,
external_ids.get("isrc"),
)
return (
popularity,
external_ids.get("isrc"),
external_ids.get("ean"),
external_ids.get("upc"),
)
def track_audio_features(self, track_id: str):
"""Fetch track audio features by its Spotify ID.
Thread-safe: avoids redundant API calls and logs the 403 warning only
once.
"""
# Fast path: if we've already detected unavailability, skip the call.
with self._audio_features_lock:
if not self.audio_features_available:
return None
try:
return self._handle_response(
"get", f"{self.audio_features_url}{track_id}"
)
except AudioFeaturesUnavailableError:
# Disable globally in a thread-safe manner and warn once.
should_log = False
with self._audio_features_lock:
if self.audio_features_available:
self.audio_features_available = False
should_log = True
if should_log:
self._log.warning(
"Audio features API is unavailable (403 error). "
"Skipping audio features for remaining tracks."
)
return None
except APIError as e:
self._log.debug("Spotify API error: {}", e)
return None