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[ie/twitcasting] Detect livestreams via API and `show` page (#8601) 

Authored by: JC-Chung, bashonly
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JC-Chung 2023-11-19 06:14:45 +08:00 committed by GitHub
parent 1fa3f24d4b
commit 585d0ed9ab
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1 changed files with 18 additions and 23 deletions
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41
yt_dlp/extractor/twitcasting.py
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@ -11,7 +11,6 @@ from ..utils import (
float_or_none,
get_element_by_class,
get_element_by_id,
int_or_none,
parse_duration,
qualities,
str_to_int,
@ -242,35 +241,31 @@ class TwitCastingLiveIE(InfoExtractor):
'expected_exception': 'UserNotLive',
}]
_PROTECTED_LIVE_RE = r'(?s)(<span\s*class="tw-movie-thumbnail2-badge"\s*data-status="live">\s*LIVE)'
def _real_extract(self, url):
uploader_id = self._match_id(url)
self.to_screen(
'Downloading live video of user {0}. '
'Pass "https://twitcasting.tv/{0}/show" to download the history'.format(uploader_id))
webpage = self._download_webpage(url, uploader_id)
is_live = self._search_regex( # first pattern is for public live
(r'(data-is-onlive="true")', self._PROTECTED_LIVE_RE), webpage, 'is live?', default=None)
current_live = int_or_none(self._search_regex(
(r'data-type="movie" data-id="(\d+)">', # not available?
r'tw-sound-flag-open-link" data-id="(\d+)" style=', # not available?
r'data-movie-id="(\d+)"'), # if not currently live, value may be 0
webpage, 'current live ID', default=None))
if is_live and not current_live:
# fetch unfiltered /show to find running livestreams; we can't get ID of the password-protected livestream above
webpage = self._download_webpage(
f'https://twitcasting.tv/{uploader_id}/show/', uploader_id,
note='Downloading live history')
is_live = self._search_regex(self._PROTECTED_LIVE_RE, webpage, 'is live?', default=None)
if is_live:
# get the first live; running live is always at the first
current_live = self._search_regex(
r'(?s)<a\s+class="tw-movie-thumbnail2"\s*href="/[^/]+/movie/(?P<video_id>\d+)"\s*>.+?</a>',
webpage, 'current live ID 2', default=None, group='video_id')
if not current_live:
is_live = traverse_obj(self._download_json(
f'https://frontendapi.twitcasting.tv/watch/user/{uploader_id}',
uploader_id, 'Checking live status', data=b'', fatal=False), ('is_live', {bool}))
if is_live is False: # only raise here if API response was as expected
raise UserNotLive(video_id=uploader_id)
# Use /show/ page so that password-protected and members-only livestreams can be found
webpage = self._download_webpage(
f'https://twitcasting.tv/{uploader_id}/show/', uploader_id, 'Downloading live history')
is_live = is_live or self._search_regex(
r'(?s)(<span\s*class="tw-movie-thumbnail2-badge"\s*data-status="live">\s*LIVE)',
webpage, 'is live?', default=False)
# Current live is always the first match
current_live = self._search_regex(
r'(?s)<a\s+class="tw-movie-thumbnail2"\s+href="/[^/"]+/movie/(?P<video_id>\d+)"',
webpage, 'current live ID', default=None, group='video_id')
if not is_live or not current_live:
raise UserNotLive(video_id=uploader_id)
return self.url_result(f'https://twitcasting.tv/{uploader_id}/movie/{current_live}', TwitCastingIE)