Rename new fields

- Moved fix_deprecated_fields into _fill_common_fields

yt_dlp/YoutubeDL.py

@@ -24,6 +24,7 @@ import traceback
 import unicodedata
 
 from .cache import Cache
+
 from .compat import functools, urllib  # isort: split
 from .compat import compat_os_name, compat_shlex_quote, urllib_req_to_req
 from .cookies import LenientSimpleCookie, load_cookies
@@ -1735,7 +1736,6 @@ class YoutubeDL:
                 '_type': 'compat_list',
                 'entries': ie_result,
             }
-        self.fix_deprecated_fields(ie_result)
         if extra_info.get('original_url'):
             ie_result.setdefault('original_url', extra_info['original_url'])
         self.add_default_extra_info(ie_result, ie, url)
@@ -1745,17 +1745,6 @@ class YoutubeDL:
         else:
             return ie_result
 
-    def fix_deprecated_fields(self, ie_result):
-        deprecated_multivalue_fields = {
-            'artist': 'artist_list',
-            'composer': 'composer_list',
-            'album_artist': 'album_artist_list',
-            'genre': 'genre_list',
-        }
-        for deprecated_field, new_field in deprecated_multivalue_fields.items():
-            if ie_result.get(deprecated_field):
-                ie_result[new_field] = re.split(r', ?', ie_result[deprecated_field])
-
     def add_default_extra_info(self, ie_result, ie, url):
         if url is not None:
             self.add_extra_info(ie_result, {
@@ -2653,6 +2642,16 @@ class YoutubeDL:
             if final and info_dict.get('%s_number' % field) is not None and not info_dict.get(field):
                 info_dict[field] = '%s %d' % (field.capitalize(), info_dict['%s_number' % field])
 
+        deprecated_multivalue_fields = {
+            'artist': 'artists',
+            'composer': 'composers',
+            'album_artist': 'album_artists',
+            'genre': 'genres',
+        }
+        for deprecated_field, new_field in deprecated_multivalue_fields.items():
+            if info_dict.get(deprecated_field):
+                info_dict[new_field] = re.split(r', ?', info_dict[deprecated_field])
+
     def _raise_pending_errors(self, info):
         err = info.pop('__pending_error', None)
         if err:

yt_dlp/extractor/common.py

@@ -422,23 +422,23 @@ class InfoExtractor:
     track_number:   Number of the track within an album or a disc, as an integer.
     track_id:       Id of the track (useful in case of custom indexing, e.g. 6.iii),
                     as a unicode string.
-    artist_list:    List of artists of the track.
-    composer_list:  List of composers of the piece
-    genre_list:     List of genres of the track.
+    artists:        List of artists of the track.
+    composers:      List of composers of the piece
+    genres:         List of genres of the track.
     album:          Title of the album the track belongs to.
     album_type:     Type of the album (e.g. "Demo", "Full-length", "Split", "Compilation", etc).
-    album_artist_list: List of all artists appeared on the album.
+    album_artists:  List of all artists appeared on the album.
                     E.g. ["Ash Borer", "Fell Voices"] or ["Various Artists"].
                     Useful for splits and compilations.
     disc_number:    Number of the disc or other physical medium the track belongs to,
                     as an integer.
-    composer:       Deprecated; use "composer_list" instead.
+    composer:       Deprecated; use "composers" instead.
                     Composer(s) of the piece, comma-separated.
-    artist:         Deprecated; use "artist_list" instead.
+    artist:         Deprecated; use "artists" instead.
                     Artist(s) of the track, comma-separated.
-    genre:          Deprecated; use "genre_list" instead.
+    genre:          Deprecated; use "genres" instead.
                     Genre(s) of the track, comma-separated.
-    album_artist:   Deprecated; use "album_artist_list" instead.
+    album_artist:   Deprecated; use "album_artists" instead.
                     All artists appeared on the album, comma-separated.
 
     The following fields should only be set for clips that should be cut from the original video:

yt_dlp/postprocessor/ffmpeg.py

@@ -755,11 +755,11 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         add(('description', 'synopsis'), 'description')
         add(('purl', 'comment'), 'webpage_url')
         add('track', 'track_number')
-        add('artist', ('artist_list', 'creator', 'uploader', 'uploader_id'))
-        add('composer', 'composer_list')
-        add('genre', 'genre_list')
+        add('artist', ('artists', 'creator', 'uploader', 'uploader_id'))
+        add('composer', 'composers')
+        add('genre', 'genres')
         add('album')
-        add('album_artist', 'album_artist_list')
+        add('album_artist', 'album_artists')
         add('disc', 'disc_number')
         add('show', 'series')
         add('season_number')

yt_dlp/postprocessor/mutagenmetadata.py

@@ -23,10 +23,10 @@ class MutagenMetadataPP(PostProcessor):
                 self.report_warning('module mutagen was not found. Tags with multiple values (e.g. artist, album artist and genre) may be set incorrectly. Please install using `python -m pip install mutagen`')
             return ret
         tag_mapping = {
-            'artist': 'artist_list',
-            'albumartist': 'album_artist_list',
-            'genre': 'genre_list',
-            'composer': 'composer_list'
+            'artist': 'artists',
+            'albumartist': 'album_artists',
+            'genre': 'genres',
+            'composer': 'composers'
         }
         supported_formats = [EasyMP3, EasyMP4, OggVorbis, OggOpus, FLAC, Musepack]
         file = mutagen.File(information['filepath'], supported_formats)