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yt-dlp/yt_dlp/extractor/reddit.py
bashonly 1fc089143c
[extractor/reddit] Extract crossposted media (#5801) 
Closes #5798
Authored by: bashonly
2022-12-21 00:55:47 +00:00

256 lines
9.8 KiB
Python
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import random
import urllib.parse
from .common import InfoExtractor
from ..utils import (
ExtractorError,
float_or_none,
int_or_none,
traverse_obj,
try_get,
unescapeHTML,
url_or_none,
)
class RedditIE(InfoExtractor):
_VALID_URL = r'https?://(?P<subdomain>[^/]+\.)?reddit(?:media)?\.com/r/(?P<slug>[^/]+/comments/(?P<id>[^/?#&]+))'
_TESTS = [{
'url': 'https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/',
'info_dict': {
'id': 'zv89llsvexdz',
'ext': 'mp4',
'display_id': '6rrwyj',
'title': 'That small heart attack.',
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'thumbnails': 'count:4',
'timestamp': 1501941939,
'upload_date': '20170805',
'uploader': 'Antw87',
'duration': 12,
'like_count': int,
'dislike_count': int,
'comment_count': int,
'age_limit': 0,
},
'params': {
'skip_download': True,
},
}, {
# 1080p fallback format
'url': 'https://www.reddit.com/r/aww/comments/90bu6w/heat_index_was_110_degrees_so_we_offered_him_a/',
'md5': '8b5902cfda3006bf90faea7adf765a49',
'info_dict': {
'id': 'gyh95hiqc0b11',
'ext': 'mp4',
'display_id': '90bu6w',
'title': 'Heat index was 110 degrees so we offered him a cold drink. He went for a full body soak instead',
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'thumbnails': 'count:7',
'timestamp': 1532051078,
'upload_date': '20180720',
'uploader': 'FootLoosePickleJuice',
'duration': 14,
'like_count': int,
'dislike_count': int,
'comment_count': int,
'age_limit': 0,
},
}, {
# videos embedded in reddit text post
'url': 'https://www.reddit.com/r/KamenRider/comments/wzqkxp/finale_kamen_rider_revice_episode_50_family_to/',
'playlist_count': 2,
'info_dict': {
'id': 'wzqkxp',
'title': 'md5:72d3d19402aa11eff5bd32fc96369b37',
},
}, {
# crossposted reddit-hosted media
'url': 'https://www.reddit.com/r/dumbfuckers_club/comments/zjjw82/cringe/',
'md5': '746180895c7b75a9d6b05341f507699a',
'info_dict': {
'id': 'a1oneun6pa5a1',
'ext': 'mp4',
'display_id': 'zjjw82',
'title': 'Cringe',
'uploader': 'Otaku-senpai69420',
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'upload_date': '20221212',
'timestamp': 1670812309,
'duration': 16,
'like_count': int,
'dislike_count': int,
'comment_count': int,
'age_limit': 0,
},
}, {
'url': 'https://www.reddit.com/r/videos/comments/6rrwyj',
'only_matching': True,
}, {
# imgur
'url': 'https://www.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
'only_matching': True,
}, {
# imgur @ old reddit
'url': 'https://old.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
'only_matching': True,
}, {
# streamable
'url': 'https://www.reddit.com/r/videos/comments/6t7sg9/comedians_hilarious_joke_about_the_guam_flag/',
'only_matching': True,
}, {
# youtube
'url': 'https://www.reddit.com/r/videos/comments/6t75wq/southern_man_tries_to_speak_without_an_accent/',
'only_matching': True,
}, {
# reddit video @ nm reddit
'url': 'https://nm.reddit.com/r/Cricket/comments/8idvby/lousy_cameraman_finds_himself_in_cairns_line_of/',
'only_matching': True,
}, {
'url': 'https://www.redditmedia.com/r/serbia/comments/pu9wbx/ako_vu%C4%8Di%C4%87_izgubi_izbore_ja_%C4%87u_da_crknem/',
'only_matching': True,
}]
@staticmethod
def _gen_session_id():
id_length = 16
rand_max = 1 << (id_length * 4)
return '%0.*x' % (id_length, random.randrange(rand_max))
def _real_extract(self, url):
subdomain, slug, video_id = self._match_valid_url(url).group('subdomain', 'slug', 'id')
self._set_cookie('.reddit.com', 'reddit_session', self._gen_session_id())
self._set_cookie('.reddit.com', '_options', '%7B%22pref_quarantine_optin%22%3A%20true%7D')
data = self._download_json(f'https://{subdomain}reddit.com/r/{slug}/.json', video_id, fatal=False)
if not data:
# Fall back to old.reddit.com in case the requested subdomain fails
data = self._download_json(f'https://old.reddit.com/r/{slug}/.json', video_id)
data = data[0]['data']['children'][0]['data']
video_url = data['url']
over_18 = data.get('over_18')
if over_18 is True:
age_limit = 18
elif over_18 is False:
age_limit = 0
else:
age_limit = None
thumbnails = []
def add_thumbnail(src):
if not isinstance(src, dict):
return
thumbnail_url = url_or_none(src.get('url'))
if not thumbnail_url:
return
thumbnails.append({
'url': unescapeHTML(thumbnail_url),
'width': int_or_none(src.get('width')),
'height': int_or_none(src.get('height')),
})
for image in try_get(data, lambda x: x['preview']['images']) or []:
if not isinstance(image, dict):
continue
add_thumbnail(image.get('source'))
resolutions = image.get('resolutions')
if isinstance(resolutions, list):
for resolution in resolutions:
add_thumbnail(resolution)
info = {
'title': data.get('title'),
'thumbnails': thumbnails,
'timestamp': float_or_none(data.get('created_utc')),
'uploader': data.get('author'),
'like_count': int_or_none(data.get('ups')),
'dislike_count': int_or_none(data.get('downs')),
'comment_count': int_or_none(data.get('num_comments')),
'age_limit': age_limit,
}
parsed_url = urllib.parse.urlparse(video_url)
# Check for embeds in text posts, or else raise to avoid recursing into the same reddit URL
if 'reddit.com' in parsed_url.netloc and f'/{video_id}/' in parsed_url.path:
entries = []
for media in traverse_obj(data, ('media_metadata', ...), expected_type=dict):
if not media.get('id') or media.get('e') != 'RedditVideo':
continue
formats = []
if media.get('hlsUrl'):
formats.extend(self._extract_m3u8_formats(
unescapeHTML(media['hlsUrl']), video_id, 'mp4', m3u8_id='hls', fatal=False))
if media.get('dashUrl'):
formats.extend(self._extract_mpd_formats(
unescapeHTML(media['dashUrl']), video_id, mpd_id='dash', fatal=False))
if formats:
entries.append({
'id': media['id'],
'display_id': video_id,
'formats': formats,
**info,
})
if entries:
return self.playlist_result(entries, video_id, info.get('title'))
raise ExtractorError('No media found', expected=True)
# Check if media is hosted on reddit:
reddit_video = traverse_obj(data, (
(None, ('crosspost_parent_list', ...)), ('secure_media', 'media'), 'reddit_video'), get_all=False)
if reddit_video:
playlist_urls = [
try_get(reddit_video, lambda x: unescapeHTML(x[y]))
for y in ('dash_url', 'hls_url')
]
# Update video_id
display_id = video_id
video_id = self._search_regex(
r'https?://v\.redd\.it/(?P<id>[^/?#&]+)', reddit_video['fallback_url'],
'video_id', default=display_id)
dash_playlist_url = playlist_urls[0] or f'https://v.redd.it/{video_id}/DASHPlaylist.mpd'
hls_playlist_url = playlist_urls[1] or f'https://v.redd.it/{video_id}/HLSPlaylist.m3u8'
formats = [{
'url': unescapeHTML(reddit_video['fallback_url']),
'height': int_or_none(reddit_video.get('height')),
'width': int_or_none(reddit_video.get('width')),
'tbr': int_or_none(reddit_video.get('bitrate_kbps')),
'acodec': 'none',
'vcodec': 'h264',
'ext': 'mp4',
'format_id': 'fallback',
'format_note': 'DASH video, mp4_dash',
}]
formats.extend(self._extract_m3u8_formats(
hls_playlist_url, display_id, 'mp4', m3u8_id='hls', fatal=False))
formats.extend(self._extract_mpd_formats(
dash_playlist_url, display_id, mpd_id='dash', fatal=False))
return {
**info,
'id': video_id,
'display_id': display_id,
'formats': formats,
'duration': int_or_none(reddit_video.get('duration')),
}
if parsed_url.netloc == 'v.redd.it':
self.raise_no_formats('This video is processing', expected=True, video_id=video_id)
return {
**info,
'id': parsed_url.path.split('/')[1],
'display_id': video_id,
}
# Not hosted on reddit, must continue extraction
return {
**info,
'display_id': video_id,
'_type': 'url_transparent',
'url': video_url,
}
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