yt_dlp/extractor/reddit.py

   1 import random
   2
   3 from .common import InfoExtractor
   4 from ..utils import (
   5     ExtractorError,
   6     int_or_none,
   7     float_or_none,
   8     try_get,
   9     unescapeHTML,
  10     url_or_none,
  11 )
  12
  13
  14 class RedditIE(InfoExtractor):
  15     _VALID_URL = r'https?://v\.redd\.it/(?P<id>[^/?#&]+)'
  16     _TEST = {
  17         # from https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/
  18         'url': 'https://v.redd.it/zv89llsvexdz',
  19         'md5': '0a070c53eba7ec4534d95a5a1259e253',
  20         'info_dict': {
  21             'id': 'zv89llsvexdz',
  22             'ext': 'mp4',
  23             'title': 'zv89llsvexdz',
  24         },
  25         'params': {
  26             'format': 'bestvideo',
  27         },
  28     }
  29
  30     def _real_extract(self, url):
  31         video_id = self._match_id(url)
  32
  33         formats = self._extract_m3u8_formats(
  34             'https://v.redd.it/%s/HLSPlaylist.m3u8' % video_id, video_id,
  35             'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)
  36
  37         formats.extend(self._extract_mpd_formats(
  38             'https://v.redd.it/%s/DASHPlaylist.mpd' % video_id, video_id,
  39             mpd_id='dash', fatal=False))
  40
  41         self._sort_formats(formats)
  42
  43         return {
  44             'id': video_id,
  45             'title': video_id,
  46             'formats': formats,
  47         }
  48
  49
  50 class RedditRIE(InfoExtractor):
  51     _VALID_URL = r'https?://(?P<subdomain>[^/]+\.)?reddit(?:media)?\.com/r/(?P<slug>[^/]+/comments/(?P<id>[^/?#&]+))'
  52     _TESTS = [{
  53         'url': 'https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/',
  54         'info_dict': {
  55             'id': 'zv89llsvexdz',
  56             'ext': 'mp4',
  57             'title': 'That small heart attack.',
  58             'thumbnail': r're:^https?://.*\.(?:jpg|png)',
  59             'thumbnails': 'count:4',
  60             'timestamp': 1501941939,
  61             'upload_date': '20170805',
  62             'uploader': 'Antw87',
  63             'duration': 12,
  64             'like_count': int,
  65             'dislike_count': int,
  66             'comment_count': int,
  67             'age_limit': 0,
  68         },
  69         'params': {
  70             'format': 'bestvideo',
  71             'skip_download': True,
  72         },
  73     }, {
  74         'url': 'https://www.reddit.com/r/videos/comments/6rrwyj',
  75         'only_matching': True,
  76     }, {
  77         # imgur
  78         'url': 'https://www.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
  79         'only_matching': True,
  80     }, {
  81         # imgur @ old reddit
  82         'url': 'https://old.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
  83         'only_matching': True,
  84     }, {
  85         # streamable
  86         'url': 'https://www.reddit.com/r/videos/comments/6t7sg9/comedians_hilarious_joke_about_the_guam_flag/',
  87         'only_matching': True,
  88     }, {
  89         # youtube
  90         'url': 'https://www.reddit.com/r/videos/comments/6t75wq/southern_man_tries_to_speak_without_an_accent/',
  91         'only_matching': True,
  92     }, {
  93         # reddit video @ nm reddit
  94         'url': 'https://nm.reddit.com/r/Cricket/comments/8idvby/lousy_cameraman_finds_himself_in_cairns_line_of/',
  95         'only_matching': True,
  96     }, {
  97         'url': 'https://www.redditmedia.com/r/serbia/comments/pu9wbx/ako_vu%C4%8Di%C4%87_izgubi_izbore_ja_%C4%87u_da_crknem/',
  98         'only_matching': True,
  99     }]
 100
 101     @staticmethod
 102     def _gen_session_id():
 103         id_length = 16
 104         rand_max = 1 << (id_length * 4)
 105         return '%0.*x' % (id_length, random.randrange(rand_max))
 106
 107     def _real_extract(self, url):
 108         subdomain, slug, video_id = self._match_valid_url(url).group('subdomain', 'slug', 'id')
 109
 110         self._set_cookie('.reddit.com', 'reddit_session', self._gen_session_id())
 111         self._set_cookie('.reddit.com', '_options', '%7B%22pref_quarantine_optin%22%3A%20true%7D')
 112         data = self._download_json(f'https://{subdomain}reddit.com/r/{slug}/.json', video_id, fatal=False)
 113         if not data:
 114             # Fall back to old.reddit.com in case the requested subdomain fails
 115             data = self._download_json(f'https://old.reddit.com/r/{slug}/.json', video_id)
 116         data = data[0]['data']['children'][0]['data']
 117         video_url = data['url']
 118
 119         # Avoid recursing into the same reddit URL
 120         if 'reddit.com/' in video_url and '/%s/' % video_id in video_url:
 121             raise ExtractorError('No media found', expected=True)
 122
 123         over_18 = data.get('over_18')
 124         if over_18 is True:
 125             age_limit = 18
 126         elif over_18 is False:
 127             age_limit = 0
 128         else:
 129             age_limit = None
 130
 131         thumbnails = []
 132
 133         def add_thumbnail(src):
 134             if not isinstance(src, dict):
 135                 return
 136             thumbnail_url = url_or_none(src.get('url'))
 137             if not thumbnail_url:
 138                 return
 139             thumbnails.append({
 140                 'url': unescapeHTML(thumbnail_url),
 141                 'width': int_or_none(src.get('width')),
 142                 'height': int_or_none(src.get('height')),
 143             })
 144
 145         for image in try_get(data, lambda x: x['preview']['images']) or []:
 146             if not isinstance(image, dict):
 147                 continue
 148             add_thumbnail(image.get('source'))
 149             resolutions = image.get('resolutions')
 150             if isinstance(resolutions, list):
 151                 for resolution in resolutions:
 152                     add_thumbnail(resolution)
 153
 154         return {
 155             '_type': 'url_transparent',
 156             'url': video_url,
 157             'title': data.get('title'),
 158             'thumbnails': thumbnails,
 159             'timestamp': float_or_none(data.get('created_utc')),
 160             'uploader': data.get('author'),
 161             'duration': int_or_none(try_get(
 162                 data,
 163                 (lambda x: x['media']['reddit_video']['duration'],
 164                  lambda x: x['secure_media']['reddit_video']['duration']))),
 165             'like_count': int_or_none(data.get('ups')),
 166             'dislike_count': int_or_none(data.get('downs')),
 167             'comment_count': int_or_none(data.get('num_comments')),
 168             'age_limit': age_limit,
 169         }