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yt-dlp/yt_dlp/extractor/reddit.py
2022-04-29 07:41:39 +05:30

178 lines
6.5 KiB
Python

import random
from urllib.parse import urlparse
from .common import InfoExtractor
from ..utils import (
ExtractorError,
int_or_none,
float_or_none,
try_get,
unescapeHTML,
url_or_none,
traverse_obj
)
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,
},
}, {
'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']
# Avoid recursing into the same reddit URL
if 'reddit.com/' in video_url and '/%s/' % video_id in video_url:
raise ExtractorError('No media found', expected=True)
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,
}
# Check if media is hosted on reddit:
reddit_video = traverse_obj(data, (('media', 'secure_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 = self._extract_m3u8_formats(
hls_playlist_url, display_id, 'mp4',
entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)
formats.extend(self._extract_mpd_formats(
dash_playlist_url, display_id, mpd_id='dash', fatal=False))
self._sort_formats(formats)
return {
**info,
'id': video_id,
'display_id': display_id,
'formats': formats,
'duration': int_or_none(reddit_video.get('duration')),
}
parsed_url = urlparse(video_url)
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,
}