yt-dlp/yt_dlp/extractor/reddit.py
bashonly 20c3c9b433
[ie/reddit] Extract subtitles
Closes #7814
Authored by: bashonly
2023-09-16 16:23:54 -05:00

354 lines
14 KiB
Python

import urllib.parse
from .common import InfoExtractor
from ..utils import (
ExtractorError,
float_or_none,
int_or_none,
traverse_obj,
try_get,
unescapeHTML,
urlencode_postdata,
url_or_none,
)
class RedditIE(InfoExtractor):
_NETRC_MACHINE = 'reddit'
_VALID_URL = r'https?://(?P<host>(?:\w+\.)?reddit(?:media)?\.com)/(?P<slug>(?:(?:r|user)/[^/]+/)?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,
'channel_id': 'videos',
},
'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,
'channel_id': 'aww',
},
}, {
# User post
'url': 'https://www.reddit.com/user/creepyt0es/comments/nip71r/i_plan_to_make_more_stickers_and_prints_check/',
'info_dict': {
'id': 'zasobba6wp071',
'ext': 'mp4',
'display_id': 'nip71r',
'title': 'I plan to make more stickers and prints! Check them out on my Etsy! Or get them through my Patreon. Links below.',
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'thumbnails': 'count:5',
'timestamp': 1621709093,
'upload_date': '20210522',
'uploader': 'creepyt0es',
'duration': 6,
'like_count': int,
'dislike_count': int,
'comment_count': int,
'age_limit': 0,
'channel_id': 'u_creepyt0es',
},
'params': {
'skip_download': True,
},
}, {
# 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,
'channel_id': 'dumbfuckers_club',
},
}, {
# post link without subreddit
'url': 'https://www.reddit.com/comments/124pp33',
'md5': '15eec9d828adcef4468b741a7e45a395',
'info_dict': {
'id': 'antsenjc2jqa1',
'ext': 'mp4',
'display_id': '124pp33',
'title': 'Harmless prank of some old friends',
'uploader': 'Dudezila',
'channel_id': 'ContagiousLaughter',
'duration': 17,
'upload_date': '20230328',
'timestamp': 1680012043,
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'age_limit': 0,
'comment_count': int,
'dislike_count': int,
'like_count': int,
},
}, {
# quarantined subreddit post
'url': 'https://old.reddit.com/r/GenZedong/comments/12fujy3/based_hasan/',
'md5': '3156ea69e3c1f1b6259683c5abd36e71',
'info_dict': {
'id': '8bwtclfggpsa1',
'ext': 'mp4',
'display_id': '12fujy3',
'title': 'Based Hasan?',
'uploader': 'KingNigelXLII',
'channel_id': 'GenZedong',
'duration': 16,
'upload_date': '20230408',
'timestamp': 1680979138,
'age_limit': 0,
'comment_count': int,
'dislike_count': int,
'like_count': int,
},
'skip': 'Requires account that has opted-in to the GenZedong subreddit',
}, {
'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,
}]
def _perform_login(self, username, password):
captcha = self._download_json(
'https://www.reddit.com/api/requires_captcha/login.json', None,
'Checking login requirement')['required']
if captcha:
raise ExtractorError('Reddit is requiring captcha before login', expected=True)
login = self._download_json(
f'https://www.reddit.com/api/login/{username}', None, data=urlencode_postdata({
'op': 'login-main',
'user': username,
'passwd': password,
'api_type': 'json',
}), note='Logging in', errnote='Login request failed')
errors = '; '.join(traverse_obj(login, ('json', 'errors', ..., 1)))
if errors:
raise ExtractorError(f'Unable to login, Reddit API says {errors}', expected=True)
elif not traverse_obj(login, ('json', 'data', 'cookie', {str})):
raise ExtractorError('Unable to login, no cookie was returned')
def _real_extract(self, url):
host, slug, video_id = self._match_valid_url(url).group('host', 'slug', 'id')
data = self._download_json(
f'https://{host}/{slug}/.json', video_id, fatal=False, expected_status=403)
if not data:
fallback_host = 'old.reddit.com' if host != 'old.reddit.com' else 'www.reddit.com'
self.to_screen(f'{host} request failed, retrying with {fallback_host}')
data = self._download_json(
f'https://{fallback_host}/{slug}/.json', video_id, expected_status=403)
if traverse_obj(data, 'error') == 403:
reason = data.get('reason')
if reason == 'quarantined':
self.raise_login_required('Quarantined subreddit; an account that has opted in is required')
elif reason == 'private':
self.raise_login_required('Private subreddit; an account that has been approved is required')
else:
raise ExtractorError(f'HTTP Error 403 Forbidden; reason given: {reason}')
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')),
'http_headers': {'Accept': '*/*'},
})
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'),
'channel_id': data.get('subreddit'),
'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',
}]
hls_fmts, subtitles = self._extract_m3u8_formats_and_subtitles(
hls_playlist_url, display_id, 'mp4', m3u8_id='hls', fatal=False)
formats.extend(hls_fmts)
dash_fmts, dash_subs = self._extract_mpd_formats_and_subtitles(
dash_playlist_url, display_id, mpd_id='dash', fatal=False)
formats.extend(dash_fmts)
self._merge_subtitles(dash_subs, target=subtitles)
return {
**info,
'id': video_id,
'display_id': display_id,
'formats': formats,
'subtitles': subtitles,
'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,
}