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[extractor/reddit] Support cookies and short URLs (#6825)

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Closes #6665, Closes #6753
Authored by: bashonly
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bashonly 2023-04-16 12:07:55 -05:00 committed by GitHub
parent ea05708203
commit 7a6f6f2459
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1 changed files with 58 additions and 14 deletions
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72
yt_dlp/extractor/reddit.py
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@ -1,4 +1,3 @@
import random
import urllib.parse
from .common import InfoExtractor
@ -14,7 +13,7 @@
class RedditIE(InfoExtractor):
_VALID_URL = r'https?://(?P<subdomain>[^/]+\.)?reddit(?:media)?\.com/(?P<slug>(?:r|user)/[^/]+/comments/(?P<id>[^/?#&]+))'
_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': {
@ -109,6 +108,46 @@ class RedditIE(InfoExtractor):
'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,
@ -137,21 +176,26 @@ class RedditIE(InfoExtractor):
'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')
host, slug, video_id = self._match_valid_url(url).group('host', '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/{slug}/.json', video_id, fatal=False)
data = self._download_json(
f'https://{host}/{slug}/.json', video_id, fatal=False, expected_status=403)
if not data:
# Fall back to old.reddit.com in case the requested subdomain fails
data = self._download_json(f'https://old.reddit.com/{slug}/.json', video_id)
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']