youtube_dl/extractor/zhihu.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 from .common import InfoExtractor
   5 from ..utils import float_or_none, int_or_none
   6
   7
   8 class ZhihuIE(InfoExtractor):
   9     _VALID_URL = r'https?://(?:www\.)?zhihu\.com/zvideo/(?P<id>[0-9]+)'
  10     _TEST = {
  11         'url': 'https://www.zhihu.com/zvideo/1342930761977176064',
  12         'md5': 'c8d4c9cd72dd58e6f9bc9c2c84266464',
  13         'info_dict': {
  14             'id': '1342930761977176064',
  15             'ext': 'mp4',
  16             'title': '写春联也太难了吧！',
  17             'thumbnail': r're:^https?://.*\.jpg',
  18             'uploader': '桥半舫',
  19             'timestamp': 1612959715,
  20             'upload_date': '20210210',
  21             'uploader_id': '244ecb13b0fd7daf92235288c8ca3365',
  22             'duration': 146.333,
  23             'view_count': int,
  24             'like_count': int,
  25             'comment_count': int,
  26         }
  27     }
  28
  29     def _real_extract(self, url):
  30         video_id = self._match_id(url)
  31         zvideo = self._download_json(
  32             'https://www.zhihu.com/api/v4/zvideos/' + video_id, video_id)
  33         title = zvideo['title']
  34         video = zvideo.get('video') or {}
  35
  36         formats = []
  37         for format_id, q in (video.get('playlist') or {}).items():
  38             play_url = q.get('url') or q.get('play_url')
  39             if not play_url:
  40                 continue
  41             formats.append({
  42                 'asr': int_or_none(q.get('sample_rate')),
  43                 'filesize': int_or_none(q.get('size')),
  44                 'format_id': format_id,
  45                 'fps': int_or_none(q.get('fps')),
  46                 'height': int_or_none(q.get('height')),
  47                 'tbr': float_or_none(q.get('bitrate')),
  48                 'url': play_url,
  49                 'width': int_or_none(q.get('width')),
  50             })
  51         self._sort_formats(formats)
  52
  53         author = zvideo.get('author') or {}
  54         url_token = author.get('url_token')
  55
  56         return {
  57             'id': video_id,
  58             'title': title,
  59             'formats': formats,
  60             'thumbnail': video.get('thumbnail') or zvideo.get('image_url'),
  61             'uploader': author.get('name'),
  62             'timestamp': int_or_none(zvideo.get('published_at')),
  63             'uploader_id': author.get('id'),
  64             'uploader_url': 'https://www.zhihu.com/people/' + url_token if url_token else None,
  65             'duration': float_or_none(video.get('duration')),
  66             'view_count': int_or_none(zvideo.get('play_count')),
  67             'like_count': int_or_none(zvideo.get('liked_count')),
  68             'comment_count': int_or_none(zvideo.get('comment_count')),
  69         }