[cleanup] Make more playlist entries lazy (#11763)

Authored by: seproDev

yt_dlp/extractor/brightcove.py

@@ -31,6 +31,7 @@ from ..utils import (
     update_url_query,
     url_or_none,
 )
+from ..utils.traversal import traverse_obj
 
 
 class BrightcoveLegacyIE(InfoExtractor):
@@ -935,8 +936,8 @@ class BrightcoveNewIE(BrightcoveNewBaseIE):
 
         if content_type == 'playlist':
             return self.playlist_result(
-                [self._parse_brightcove_metadata(vid, vid.get('id'), headers)
-                 for vid in json_data.get('videos', []) if vid.get('id')],
+                (self._parse_brightcove_metadata(vid, vid['id'], headers)
+                 for vid in traverse_obj(json_data, ('videos', lambda _, v: v['id']))),
                 json_data.get('id'), json_data.get('name'),
                 json_data.get('description'))
 

yt_dlp/extractor/dvtv.py

@@ -162,7 +162,7 @@ class DVTVIE(InfoExtractor):
         items = re.findall(r'(?s)playlist\.push\(({.+?})\);', webpage)
         if items:
             return self.playlist_result(
-                [self._parse_video_metadata(i, video_id, timestamp) for i in items],
+                (self._parse_video_metadata(i, video_id, timestamp) for i in items),
                 video_id, self._html_search_meta('twitter:title', webpage))
 
         item = self._search_regex(

yt_dlp/extractor/nytimes.py

@@ -343,7 +343,7 @@ class NYTimesCookingIE(NYTimesBaseIE):
         if media_ids:
             media_ids.append(lead_video_id)
             return self.playlist_result(
-                [self._extract_video(media_id) for media_id in media_ids], page_id, title, description)
+                map(self._extract_video, media_ids), page_id, title, description)
 
         return {
             **self._extract_video(lead_video_id),

yt_dlp/extractor/vidyard.py

@@ -421,5 +421,5 @@ class VidyardIE(VidyardBaseIE):
             return self._process_video_json(video_json['chapters'][0], video_id)
 
         return self.playlist_result(
-            [self._process_video_json(chapter, video_id) for chapter in video_json['chapters']],
+            (self._process_video_json(chapter, video_id) for chapter in video_json['chapters']),
             str(video_json['playerUuid']), video_json.get('name'))