[ie/weibo] Support playlists (#12284)

Closes #12283
Authored by: 4ft35t

yt_dlp/extractor/weibo.py

@@ -12,6 +12,7 @@ from ..utils import (
     str_or_none,
     strip_jsonp,
     traverse_obj,
+    truncate_string,
     url_or_none,
     urlencode_postdata,
     urljoin,
@@ -96,7 +97,8 @@ class WeiboBaseIE(InfoExtractor):
                     })
         return formats
 
-    def _parse_video_info(self, video_info, video_id=None):
+    def _parse_video_info(self, video_info):
+        video_id = traverse_obj(video_info, (('id', 'id_str', 'mid'), {str_or_none}, any))
         return {
             'id': video_id,
             'extractor_key': WeiboIE.ie_key(),
@@ -105,9 +107,10 @@ class WeiboBaseIE(InfoExtractor):
             'http_headers': {'Referer': 'https://weibo.com/'},
             '_old_archive_ids': [make_archive_id('WeiboMobile', video_id)],
             **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}, filter),
+                'title': ('page_info', 'media_info', ('video_title', 'kol_title', 'name'),
+                          {lambda x: x.replace('\n', ' ')}, {truncate_string(left=50)}, filter),
+                'alt_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}),
@@ -129,9 +132,11 @@ class WeiboIE(WeiboBaseIE):
         'url': 'https://weibo.com/7827771738/N4xlMvjhI',
         'info_dict': {
             'id': '4910815147462302',
+            '_old_archive_ids': ['weibomobile 4910815147462302'],
             'ext': 'mp4',
             'display_id': 'N4xlMvjhI',
             'title': '【睡前消息暑假版第一期：拉泰国一把  对中国有好处】',
+            'alt_title': '【睡前消息暑假版第一期：拉泰国一把  对中国有好处】',
             'description': 'md5:e2637a7673980d68694ea7c43cf12a5f',
             'duration': 918,
             'timestamp': 1686312819,
@@ -149,9 +154,11 @@ class WeiboIE(WeiboBaseIE):
         'url': 'https://m.weibo.cn/status/4189191225395228',
         'info_dict': {
             'id': '4189191225395228',
+            '_old_archive_ids': ['weibomobile 4189191225395228'],
             'ext': 'mp4',
             'display_id': 'FBqgOmDxO',
             'title': '柴犬柴犬的秒拍视频',
+            'alt_title': '柴犬柴犬的秒拍视频',
             'description': 'md5:80f461ab5cdae6bbdb70efbf5a1db24f',
             'duration': 53,
             'timestamp': 1514264429,
@@ -166,34 +173,35 @@ class WeiboIE(WeiboBaseIE):
         },
     }, {
         'url': 'https://m.weibo.cn/detail/4189191225395228',
-        'info_dict': {
-            'id': '4189191225395228',
-            'ext': 'mp4',
-            'display_id': 'FBqgOmDxO',
-            'title': '柴犬柴犬的秒拍视频',
-            'description': '午睡当然是要甜甜蜜蜜的啦！[坏笑]     Instagram：shibainu.gaku http://t.cn/RHbmjzW ',
-            'duration': 53,
-            'timestamp': 1514264429,
-            'upload_date': '20171226',
-            'thumbnail': r're:https://.*\.jpg',
-            'uploader': '柴犬柴犬',
-            'uploader_id': '5926682210',
-            'uploader_url': 'https://weibo.com/u/5926682210',
-            'view_count': int,
-            'like_count': int,
-            'repost_count': int,
-        },
+        'only_matching': True,
     }, {
         'url': 'https://weibo.com/0/4224132150961381',
         'note': 'no playback_list example',
         'only_matching': True,
+    }, {
+        'url': 'https://m.weibo.cn/detail/5120561132606436',
+        'info_dict': {
+            'id': '5120561132606436',
+        },
+        'playlist_count': 9,
     }]
 
     def _real_extract(self, url):
         video_id = self._match_id(url)
 
-        return self._parse_video_info(self._weibo_download_json(
-            f'https://weibo.com/ajax/statuses/show?id={video_id}', video_id))
+        meta = self._weibo_download_json(f'https://weibo.com/ajax/statuses/show?id={video_id}', video_id)
+        mix_media_info = traverse_obj(meta, ('mix_media_info', 'items', ...))
+        if not mix_media_info:
+            return self._parse_video_info(meta)
+
+        return self.playlist_result(self._entries(mix_media_info), video_id)
+
+    def _entries(self, mix_media_info):
+        for media_info in traverse_obj(mix_media_info, lambda _, v: v['type'] != 'pic'):
+            yield self._parse_video_info(traverse_obj(media_info, {
+                'id': ('data', 'object_id'),
+                'page_info': {'media_info': ('data', 'media_info', {dict})},
+            }))
 
 
 class WeiboVideoIE(WeiboBaseIE):