Use all helpers but with more filter

yt_dlp/extractor/bbc.py

@@ -1284,7 +1284,7 @@ class BBCIE(BBCCoUkIE):  # XXX: Do not subclass from concrete IE
                 **traverse_obj(model, {
                     'title': ('title', {str}),
                     'thumbnail': ('imageUrl', {lambda u: urljoin(url, u.replace('$recipe', 'raw'))}),
-                    'description': ('synopses', ('long', 'medium', 'short'), {str}, {lambda x: x or None}, any),
+                    'description': ('synopses', ('long', 'medium', 'short'), {str}, filter, any),
                     'duration': ('versions', 0, 'duration', {int}),
                     'timestamp': ('versions', 0, 'availableFrom', {int_or_none(scale=1000)}),
                 }),

yt_dlp/extractor/bilibili.py

@@ -1585,7 +1585,7 @@ class BilibiliPlaylistIE(BilibiliSpaceListBaseIE):
                 'title': ('title', {str}),
                 'uploader': ('upper', 'name', {str}),
                 'uploader_id': ('upper', 'mid', {str_or_none}),
-                'timestamp': ('ctime', {int_or_none}, {lambda x: x or None}),
+                'timestamp': ('ctime', {int_or_none}, filter),
                 'thumbnail': ('cover', {url_or_none}),
             })),
         }

yt_dlp/extractor/caffeinetv.py

@@ -53,7 +53,7 @@ class CaffeineTVIE(InfoExtractor):
                 'like_count': ('like_count', {int_or_none}),
                 'view_count': ('view_count', {int_or_none}),
                 'comment_count': ('comment_count', {int_or_none}),
-                'tags': ('tags', ..., {str}, {lambda x: x or None}),
+                'tags': ('tags', ..., {str}, filter),
                 'uploader': ('user', 'name', {str}),
                 'uploader_id': (((None, 'user'), 'username'), {str}, any),
                 'is_live': ('is_live', {bool}),

yt_dlp/extractor/dangalplay.py

@@ -40,7 +40,7 @@ class DangalPlayBaseIE(InfoExtractor):
                 'id': ('content_id', {str}),
                 'title': ('display_title', {str}),
                 'episode': ('title', {str}),
-                'series': ('show_name', {str}, {lambda x: x or None}),
+                'series': ('show_name', {str}, filter),
                 'series_id': ('catalog_id', {str}),
                 'duration': ('duration', {int_or_none}),
                 'release_timestamp': ('release_date_uts', {int_or_none}),

yt_dlp/extractor/err.py

@@ -207,7 +207,7 @@ class ERRJupiterIE(InfoExtractor):
             **traverse_obj(data, {
                 'title': ('heading', {str}),
                 'alt_title': ('subHeading', {str}),
-                'description': (('lead', 'body'), {clean_html}, {lambda x: x or None}),
+                'description': (('lead', 'body'), {clean_html}, filter),
                 'timestamp': ('created', {int_or_none}),
                 'modified_timestamp': ('updated', {int_or_none}),
                 'release_timestamp': (('scheduleStart', 'publicStart'), {int_or_none}),

yt_dlp/extractor/jiocinema.py

@@ -326,11 +326,11 @@ class JioCinemaIE(JioCinemaBaseIE):
                 # fallback metadata
                 'title': ('name', {str}),
                 'description': ('fullSynopsis', {str}),
-                'series': ('show', 'name', {str}, {lambda x: x or None}),
+                'series': ('show', 'name', {str}, filter),
                 'season': ('tournamentName', {str}, {lambda x: x if x != 'Season 0' else None}),
-                'season_number': ('episode', 'season', {int_or_none}, {lambda x: x or None}),
+                'season_number': ('episode', 'season', {int_or_none}, filter),
                 'episode': ('fullTitle', {str}),
-                'episode_number': ('episode', 'episodeNo', {int_or_none}, {lambda x: x or None}),
+                'episode_number': ('episode', 'episodeNo', {int_or_none}, filter),
                 'age_limit': ('ageNemonic', {parse_age_limit}),
                 'duration': ('totalDuration', {float_or_none}),
                 'thumbnail': ('images', {url_or_none}),
@@ -338,10 +338,10 @@ class JioCinemaIE(JioCinemaBaseIE):
             **traverse_obj(metadata, ('result', 0, {
                 'title': ('fullTitle', {str}),
                 'description': ('fullSynopsis', {str}),
-                'series': ('showName', {str}, {lambda x: x or None}),
-                'season': ('seasonName', {str}, {lambda x: x or None}),
+                'series': ('showName', {str}, filter),
+                'season': ('seasonName', {str}, filter),
                 'season_number': ('season', {int_or_none}),
-                'season_id': ('seasonId', {str}, {lambda x: x or None}),
+                'season_id': ('seasonId', {str}, filter),
                 'episode': ('fullTitle', {str}),
                 'episode_number': ('episode', {int_or_none}),
                 'timestamp': ('uploadTime', {int_or_none}),

yt_dlp/extractor/kika.py

@@ -119,7 +119,7 @@ class KikaIE(InfoExtractor):
                         'width': ('frameWidth', {int_or_none}),
                         'height': ('frameHeight', {int_or_none}),
                         # NB: filesize is 0 if unknown, bitrate is -1 if unknown
-                        'filesize': ('fileSize', {int_or_none}, {lambda x: x or None}),
+                        'filesize': ('fileSize', {int_or_none}, filter),
                         'abr': ('bitrateAudio', {int_or_none}, {lambda x: None if x == -1 else x}),
                         'vbr': ('bitrateVideo', {int_or_none}, {lambda x: None if x == -1 else x}),
                     }),

yt_dlp/extractor/laracasts.py

@@ -104,7 +104,7 @@ class LaracastsPlaylistIE(LaracastsBaseIE):
                 'description': ('body', {clean_html}),
                 'thumbnail': (('large_thumbnail', 'thumbnail'), {url_or_none}, any),
                 'duration': ('runTime', {parse_duration}),
-                'categories': ('taxonomy', 'name', {str}, {lambda x: x and [x]}),
+                'categories': ('taxonomy', 'name', {str}, all, filter),
                 'tags': ('topics', ..., 'name', {str}),
                 'modified_date': ('lastUpdated', {unified_strdate}),
             }),

yt_dlp/extractor/lbry.py

@@ -66,7 +66,7 @@ class LBRYBaseIE(InfoExtractor):
             'license': ('value', 'license', {str}),
             'timestamp': ('timestamp', {int_or_none}),
             'release_timestamp': ('value', 'release_time', {int_or_none}),
-            'tags': ('value', 'tags', ..., {lambda x: x or None}),
+            'tags': ('value', 'tags', ..., filter),
             'duration': ('value', stream_type, 'duration', {int_or_none}),
             'channel': ('signing_channel', 'value', 'title', {str}),
             'channel_id': ('signing_channel', 'claim_id', {str}),

yt_dlp/extractor/lsm.py

@@ -114,7 +114,7 @@ class LSMLREmbedIE(InfoExtractor):
     def _real_extract(self, url):
         query = parse_qs(url)
         video_id = traverse_obj(query, (
-            ('show', 'id'), 0, {int_or_none}, {lambda x: x or None}, {str_or_none}), get_all=False)
+            ('show', 'id'), 0, {int_or_none}, filter, {str_or_none}), get_all=False)
         webpage = self._download_webpage(url, video_id)
 
         player_data, media_data = self._search_regex(

yt_dlp/extractor/magentamusik.py

@@ -57,6 +57,6 @@ class MagentaMusikIE(InfoExtractor):
                 'duration': ('runtimeInSeconds', {int_or_none}),
                 'location': ('countriesOfProduction', {list}, {lambda x: join_nonempty(*x, delim=', ')}),
                 'release_year': ('yearOfProduction', {int_or_none}),
-                'categories': ('mainGenre', {str}, {lambda x: x and [x]}),
+                'categories': ('mainGenre', {str}, all, filter),
             })),
         }

yt_dlp/extractor/mixch.py

@@ -66,7 +66,7 @@ class MixchIE(InfoExtractor):
             note='Downloading comments', errnote='Failed to download comments'), (..., {
                 'author': ('name', {str}),
                 'author_id': ('user_id', {str_or_none}),
-                'id': ('message_id', {str}, {lambda x: x or None}),
+                'id': ('message_id', {str}, filter),
                 'text': ('body', {str}),
                 'timestamp': ('created', {int}),
             }))

yt_dlp/extractor/neteasemusic.py

@@ -517,7 +517,7 @@ class NetEaseMusicMvIE(NetEaseMusicBaseIE):
             'creators': traverse_obj(info, ('artists', ..., 'name')) or [info.get('artistName')],
             **traverse_obj(info, {
                 'title': ('name', {str}),
-                'description': (('desc', 'briefDesc'), {str}, {lambda x: x or None}),
+                'description': (('desc', 'briefDesc'), {str}, filter),
                 'upload_date': ('publishTime', {unified_strdate}),
                 'thumbnail': ('cover', {url_or_none}),
                 'duration': ('duration', {self._kilo_or_none}),

yt_dlp/extractor/qdance.py

@@ -140,7 +140,7 @@ class QDanceIE(InfoExtractor):
             'description': ('description', {str.strip}),
             'display_id': ('slug', {str}),
             'thumbnail': ('thumbnail', {url_or_none}),
-            'duration': ('durationInSeconds', {int_or_none}, {lambda x: x or None}),
+            'duration': ('durationInSeconds', {int_or_none}, filter),
             'availability': ('subscription', 'level', {extract_availability}),
             'is_live': ('type', {lambda x: x.lower() == 'live'}),
             'artist': ('acts', ..., {str}),

yt_dlp/extractor/qqmusic.py

@@ -211,10 +211,10 @@ class QQMusicIE(QQMusicBaseIE):
             'formats': formats,
             **traverse_obj(info_data, {
                 'title': ('title', {str}),
-                'album': ('album', 'title', {str}, {lambda x: x or None}),
+                'album': ('album', 'title', {str}, filter),
                 'release_date': ('time_public', {lambda x: x.replace('-', '') or None}),
                 'creators': ('singer', ..., 'name', {str}),
-                'alt_title': ('subtitle', {str}, {lambda x: x or None}),
+                'alt_title': ('subtitle', {str}, filter),
                 'duration': ('interval', {int_or_none}),
             }),
             **traverse_obj(init_data, ('detail', {

yt_dlp/extractor/tiktok.py

@@ -583,7 +583,7 @@ class TikTokBaseIE(InfoExtractor):
                 author_info, ['uploader', 'uploader_id'], self._UPLOADER_URL_FORMAT, default=None),
             **traverse_obj(aweme_detail, ('music', {
                 'track': ('title', {str}),
-                'album': ('album', {str}, {lambda x: x or None}),
+                'album': ('album', {str}, filter),
                 'artists': ('authorName', {str}, {lambda x: re.split(r'(?:, | & )', x) if x else None}),
                 'duration': ('duration', {int_or_none}),
             })),
@@ -591,7 +591,7 @@ class TikTokBaseIE(InfoExtractor):
                 'title': ('desc', {str}),
                 'description': ('desc', {str}),
                 # audio-only slideshows have a video duration of 0 and an actual audio duration
-                'duration': ('video', 'duration', {int_or_none}, {lambda x: x or None}),
+                'duration': ('video', 'duration', {int_or_none}, filter),
                 'timestamp': ('createTime', {int_or_none}),
             }),
             **traverse_obj(aweme_detail, ('stats', {

yt_dlp/extractor/vidyard.py

@@ -71,7 +71,7 @@ class VidyardBaseIE(InfoExtractor):
                 'id': ('facadeUuid', {str}),
                 'display_id': ('videoId', {int}, {str_or_none}),
                 'title': ('name', {str}),
-                'description': ('description', {str}, {unescapeHTML}, {lambda x: x or None}),
+                'description': ('description', {str}, {unescapeHTML}, filter),
                 'duration': ((
                     ('milliseconds', {float_or_none(scale=1000)}),
                     ('seconds', {int_or_none})), any),

yt_dlp/extractor/weibo.py

@@ -67,7 +67,7 @@ class WeiboBaseIE(InfoExtractor):
                 'format': ('quality_desc', {str}),
                 'format_id': ('label', {str}),
                 'ext': ('mime', {mimetype2ext}),
-                'tbr': ('bitrate', {int_or_none}, {lambda x: x or None}),
+                'tbr': ('bitrate', {int_or_none}, filter),
                 'vcodec': ('video_codecs', {str}),
                 'fps': ('fps', {int_or_none}),
                 'width': ('width', {int_or_none}),
@@ -107,7 +107,7 @@ class WeiboBaseIE(InfoExtractor):
             **traverse_obj(video_info, {
                 'id': (('id', 'id_str', 'mid'), {str_or_none}),
                 'display_id': ('mblogid', {str_or_none}),
-                'title': ('page_info', 'media_info', ('video_title', 'kol_title', 'name'), {str}, {lambda x: x or None}),
+                'title': ('page_info', 'media_info', ('video_title', 'kol_title', 'name'), {str}, filter),
                 'description': ('text_raw', {str}),
                 'duration': ('page_info', 'media_info', 'duration', {int_or_none}),
                 'timestamp': ('page_info', 'media_info', 'video_publish_time', {int_or_none}),

yt_dlp/extractor/wevidi.py

@@ -78,7 +78,7 @@ class WeVidiIE(InfoExtractor):
         }
 
         src_path = f'{wvplayer_props["srcVID"]}/{wvplayer_props["srcUID"]}/{wvplayer_props["srcNAME"]}'
-        for res in traverse_obj(wvplayer_props, ('resolutions', ..., {int}, {lambda x: x or None})):
+        for res in traverse_obj(wvplayer_props, ('resolutions', ..., {int}, filter)):
             format_id = str(-(res // -2) - 1)
             yield {
                 'acodec': 'mp4a.40.2',

yt_dlp/extractor/zaiko.py

@@ -109,7 +109,7 @@ class ZaikoIE(ZaikoBaseIE):
                 'uploader': ('profile', 'name', {str}),
                 'uploader_id': ('profile', 'id', {str_or_none}),
                 'release_timestamp': ('stream', 'start', 'timestamp', {int_or_none}),
-                'categories': ('event', 'genres', ..., {lambda x: x or None}),
+                'categories': ('event', 'genres', ..., filter),
             }),
             'alt_title': traverse_obj(initial_event_info, ('title', {str})),
             'thumbnails': [{'url': url, 'id': url_basename(url)} for url in thumbnail_urls if url_or_none(url)],