yt_dlp/extractor/reddit.py

   1 import random
   2 import urllib.parse
   3
   4 from .common import InfoExtractor
   5 from ..utils import (
   6     ExtractorError,
   7     float_or_none,
   8     int_or_none,
   9     traverse_obj,
  10     try_get,
  11     unescapeHTML,
  12     url_or_none,
  13 )
  14
  15
  16 class RedditIE(InfoExtractor):
  17     _VALID_URL = r'https?://(?P<subdomain>[^/]+\.)?reddit(?:media)?\.com/(?P<slug>(?:r|user)/[^/]+/comments/(?P<id>[^/?#&]+))'
  18     _TESTS = [{
  19         'url': 'https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/',
  20         'info_dict': {
  21             'id': 'zv89llsvexdz',
  22             'ext': 'mp4',
  23             'display_id': '6rrwyj',
  24             'title': 'That small heart attack.',
  25             'thumbnail': r're:^https?://.*\.(?:jpg|png)',
  26             'thumbnails': 'count:4',
  27             'timestamp': 1501941939,
  28             'upload_date': '20170805',
  29             'uploader': 'Antw87',
  30             'duration': 12,
  31             'like_count': int,
  32             'dislike_count': int,
  33             'comment_count': int,
  34             'age_limit': 0,
  35             'channel_id': 'videos',
  36         },
  37         'params': {
  38             'skip_download': True,
  39         },
  40     }, {
  41         # 1080p fallback format
  42         'url': 'https://www.reddit.com/r/aww/comments/90bu6w/heat_index_was_110_degrees_so_we_offered_him_a/',
  43         'md5': '8b5902cfda3006bf90faea7adf765a49',
  44         'info_dict': {
  45             'id': 'gyh95hiqc0b11',
  46             'ext': 'mp4',
  47             'display_id': '90bu6w',
  48             'title': 'Heat index was 110 degrees so we offered him a cold drink. He went for a full body soak instead',
  49             'thumbnail': r're:^https?://.*\.(?:jpg|png)',
  50             'thumbnails': 'count:7',
  51             'timestamp': 1532051078,
  52             'upload_date': '20180720',
  53             'uploader': 'FootLoosePickleJuice',
  54             'duration': 14,
  55             'like_count': int,
  56             'dislike_count': int,
  57             'comment_count': int,
  58             'age_limit': 0,
  59             'channel_id': 'aww',
  60         },
  61     }, {
  62         # User post
  63         'url': 'https://www.reddit.com/user/creepyt0es/comments/nip71r/i_plan_to_make_more_stickers_and_prints_check/',
  64         'info_dict': {
  65             'id': 'zasobba6wp071',
  66             'ext': 'mp4',
  67             'display_id': 'nip71r',
  68             'title': 'I plan to make more stickers and prints! Check them out on my Etsy! Or get them through my Patreon. Links below.',
  69             'thumbnail': r're:^https?://.*\.(?:jpg|png)',
  70             'thumbnails': 'count:5',
  71             'timestamp': 1621709093,
  72             'upload_date': '20210522',
  73             'uploader': 'creepyt0es',
  74             'duration': 6,
  75             'like_count': int,
  76             'dislike_count': int,
  77             'comment_count': int,
  78             'age_limit': 0,
  79             'channel_id': 'u_creepyt0es',
  80         },
  81         'params': {
  82             'skip_download': True,
  83         },
  84     }, {
  85         # videos embedded in reddit text post
  86         'url': 'https://www.reddit.com/r/KamenRider/comments/wzqkxp/finale_kamen_rider_revice_episode_50_family_to/',
  87         'playlist_count': 2,
  88         'info_dict': {
  89             'id': 'wzqkxp',
  90             'title': 'md5:72d3d19402aa11eff5bd32fc96369b37',
  91         },
  92     }, {
  93         # crossposted reddit-hosted media
  94         'url': 'https://www.reddit.com/r/dumbfuckers_club/comments/zjjw82/cringe/',
  95         'md5': '746180895c7b75a9d6b05341f507699a',
  96         'info_dict': {
  97             'id': 'a1oneun6pa5a1',
  98             'ext': 'mp4',
  99             'display_id': 'zjjw82',
 100             'title': 'Cringe',
 101             'uploader': 'Otaku-senpai69420',
 102             'thumbnail': r're:^https?://.*\.(?:jpg|png)',
 103             'upload_date': '20221212',
 104             'timestamp': 1670812309,
 105             'duration': 16,
 106             'like_count': int,
 107             'dislike_count': int,
 108             'comment_count': int,
 109             'age_limit': 0,
 110             'channel_id': 'dumbfuckers_club',
 111         },
 112     }, {
 113         'url': 'https://www.reddit.com/r/videos/comments/6rrwyj',
 114         'only_matching': True,
 115     }, {
 116         # imgur
 117         'url': 'https://www.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
 118         'only_matching': True,
 119     }, {
 120         # imgur @ old reddit
 121         'url': 'https://old.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
 122         'only_matching': True,
 123     }, {
 124         # streamable
 125         'url': 'https://www.reddit.com/r/videos/comments/6t7sg9/comedians_hilarious_joke_about_the_guam_flag/',
 126         'only_matching': True,
 127     }, {
 128         # youtube
 129         'url': 'https://www.reddit.com/r/videos/comments/6t75wq/southern_man_tries_to_speak_without_an_accent/',
 130         'only_matching': True,
 131     }, {
 132         # reddit video @ nm reddit
 133         'url': 'https://nm.reddit.com/r/Cricket/comments/8idvby/lousy_cameraman_finds_himself_in_cairns_line_of/',
 134         'only_matching': True,
 135     }, {
 136         'url': 'https://www.redditmedia.com/r/serbia/comments/pu9wbx/ako_vu%C4%8Di%C4%87_izgubi_izbore_ja_%C4%87u_da_crknem/',
 137         'only_matching': True,
 138     }]
 139
 140     @staticmethod
 141     def _gen_session_id():
 142         id_length = 16
 143         rand_max = 1 << (id_length * 4)
 144         return '%0.*x' % (id_length, random.randrange(rand_max))
 145
 146     def _real_extract(self, url):
 147         subdomain, slug, video_id = self._match_valid_url(url).group('subdomain', 'slug', 'id')
 148
 149         self._set_cookie('.reddit.com', 'reddit_session', self._gen_session_id())
 150         self._set_cookie('.reddit.com', '_options', '%7B%22pref_quarantine_optin%22%3A%20true%7D')
 151         data = self._download_json(f'https://{subdomain}reddit.com/{slug}/.json', video_id, fatal=False)
 152         if not data:
 153             # Fall back to old.reddit.com in case the requested subdomain fails
 154             data = self._download_json(f'https://old.reddit.com/{slug}/.json', video_id)
 155         data = data[0]['data']['children'][0]['data']
 156         video_url = data['url']
 157
 158         over_18 = data.get('over_18')
 159         if over_18 is True:
 160             age_limit = 18
 161         elif over_18 is False:
 162             age_limit = 0
 163         else:
 164             age_limit = None
 165
 166         thumbnails = []
 167
 168         def add_thumbnail(src):
 169             if not isinstance(src, dict):
 170                 return
 171             thumbnail_url = url_or_none(src.get('url'))
 172             if not thumbnail_url:
 173                 return
 174             thumbnails.append({
 175                 'url': unescapeHTML(thumbnail_url),
 176                 'width': int_or_none(src.get('width')),
 177                 'height': int_or_none(src.get('height')),
 178             })
 179
 180         for image in try_get(data, lambda x: x['preview']['images']) or []:
 181             if not isinstance(image, dict):
 182                 continue
 183             add_thumbnail(image.get('source'))
 184             resolutions = image.get('resolutions')
 185             if isinstance(resolutions, list):
 186                 for resolution in resolutions:
 187                     add_thumbnail(resolution)
 188
 189         info = {
 190             'title': data.get('title'),
 191             'thumbnails': thumbnails,
 192             'timestamp': float_or_none(data.get('created_utc')),
 193             'uploader': data.get('author'),
 194             'channel_id': data.get('subreddit'),
 195             'like_count': int_or_none(data.get('ups')),
 196             'dislike_count': int_or_none(data.get('downs')),
 197             'comment_count': int_or_none(data.get('num_comments')),
 198             'age_limit': age_limit,
 199         }
 200
 201         parsed_url = urllib.parse.urlparse(video_url)
 202
 203         # Check for embeds in text posts, or else raise to avoid recursing into the same reddit URL
 204         if 'reddit.com' in parsed_url.netloc and f'/{video_id}/' in parsed_url.path:
 205             entries = []
 206             for media in traverse_obj(data, ('media_metadata', ...), expected_type=dict):
 207                 if not media.get('id') or media.get('e') != 'RedditVideo':
 208                     continue
 209                 formats = []
 210                 if media.get('hlsUrl'):
 211                     formats.extend(self._extract_m3u8_formats(
 212                         unescapeHTML(media['hlsUrl']), video_id, 'mp4', m3u8_id='hls', fatal=False))
 213                 if media.get('dashUrl'):
 214                     formats.extend(self._extract_mpd_formats(
 215                         unescapeHTML(media['dashUrl']), video_id, mpd_id='dash', fatal=False))
 216                 if formats:
 217                     entries.append({
 218                         'id': media['id'],
 219                         'display_id': video_id,
 220                         'formats': formats,
 221                         **info,
 222                     })
 223             if entries:
 224                 return self.playlist_result(entries, video_id, info.get('title'))
 225             raise ExtractorError('No media found', expected=True)
 226
 227         # Check if media is hosted on reddit:
 228         reddit_video = traverse_obj(data, (
 229             (None, ('crosspost_parent_list', ...)), ('secure_media', 'media'), 'reddit_video'), get_all=False)
 230         if reddit_video:
 231             playlist_urls = [
 232                 try_get(reddit_video, lambda x: unescapeHTML(x[y]))
 233                 for y in ('dash_url', 'hls_url')
 234             ]
 235
 236             # Update video_id
 237             display_id = video_id
 238             video_id = self._search_regex(
 239                 r'https?://v\.redd\.it/(?P<id>[^/?#&]+)', reddit_video['fallback_url'],
 240                 'video_id', default=display_id)
 241
 242             dash_playlist_url = playlist_urls[0] or f'https://v.redd.it/{video_id}/DASHPlaylist.mpd'
 243             hls_playlist_url = playlist_urls[1] or f'https://v.redd.it/{video_id}/HLSPlaylist.m3u8'
 244
 245             formats = [{
 246                 'url': unescapeHTML(reddit_video['fallback_url']),
 247                 'height': int_or_none(reddit_video.get('height')),
 248                 'width': int_or_none(reddit_video.get('width')),
 249                 'tbr': int_or_none(reddit_video.get('bitrate_kbps')),
 250                 'acodec': 'none',
 251                 'vcodec': 'h264',
 252                 'ext': 'mp4',
 253                 'format_id': 'fallback',
 254                 'format_note': 'DASH video, mp4_dash',
 255             }]
 256             formats.extend(self._extract_m3u8_formats(
 257                 hls_playlist_url, display_id, 'mp4', m3u8_id='hls', fatal=False))
 258             formats.extend(self._extract_mpd_formats(
 259                 dash_playlist_url, display_id, mpd_id='dash', fatal=False))
 260
 261             return {
 262                 **info,
 263                 'id': video_id,
 264                 'display_id': display_id,
 265                 'formats': formats,
 266                 'duration': int_or_none(reddit_video.get('duration')),
 267             }
 268
 269         if parsed_url.netloc == 'v.redd.it':
 270             self.raise_no_formats('This video is processing', expected=True, video_id=video_id)
 271             return {
 272                 **info,
 273                 'id': parsed_url.path.split('/')[1],
 274                 'display_id': video_id,
 275             }
 276
 277         # Not hosted on reddit, must continue extraction
 278         return {
 279             **info,
 280             'display_id': video_id,
 281             '_type': 'url_transparent',
 282             'url': video_url,
 283         }