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[ie/tiktok] Fix subtitles extraction (#9961) 

Authored by: bashonly
This commit is contained in:
bashonly 2024-05-22 17:17:10 -05:00 committed by GitHub
parent 78c57cc0e0
commit eef1e9f44f
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1 changed files with 32 additions and 24 deletions
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56
yt_dlp/extractor/tiktok.py
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@ -212,7 +212,31 @@ class TikTokBaseIE(InfoExtractor):
raise ExtractorError('Unable to find video in feed', video_id=aweme_id)
return self._parse_aweme_video_app(aweme_detail)
def _get_subtitles(self, aweme_detail, aweme_id):
def _extract_web_data_and_status(self, url, video_id, fatal=True):
webpage = self._download_webpage(url, video_id, headers={'User-Agent': 'Mozilla/5.0'}, fatal=fatal) or ''
video_data, status = {}, None
if universal_data := self._get_universal_data(webpage, video_id):
self.write_debug('Found universal data for rehydration')
status = traverse_obj(universal_data, ('webapp.video-detail', 'statusCode', {int})) or 0
video_data = traverse_obj(universal_data, ('webapp.video-detail', 'itemInfo', 'itemStruct', {dict}))
elif sigi_data := self._get_sigi_state(webpage, video_id):
self.write_debug('Found sigi state data')
status = traverse_obj(sigi_data, ('VideoPage', 'statusCode', {int})) or 0
video_data = traverse_obj(sigi_data, ('ItemModule', video_id, {dict}))
elif next_data := self._search_nextjs_data(webpage, video_id, default={}):
self.write_debug('Found next.js data')
status = traverse_obj(next_data, ('props', 'pageProps', 'statusCode', {int})) or 0
video_data = traverse_obj(next_data, ('props', 'pageProps', 'itemInfo', 'itemStruct', {dict}))
elif fatal:
raise ExtractorError('Unable to extract webpage video data')
return video_data, status
def _get_subtitles(self, aweme_detail, aweme_id, user_url):
# TODO: Extract text positioning info
subtitles = {}
# aweme/detail endpoint subs
@ -243,9 +267,10 @@ class TikTokBaseIE(InfoExtractor):
})
# webpage subs
if not subtitles:
for caption in traverse_obj(aweme_detail, ('video', 'subtitleInfos', ...), expected_type=dict):
if not caption.get('Url'):
continue
if user_url: # only _parse_aweme_video_app needs to extract the webpage here
aweme_detail, _ = self._extract_web_data_and_status(
f'{user_url}/video/{aweme_id}', aweme_id, fatal=False)
for caption in traverse_obj(aweme_detail, ('video', 'subtitleInfos', lambda _, v: v['Url'])):
subtitles.setdefault(caption.get('LanguageCodeName') or 'en', []).append({
'ext': remove_start(caption.get('Format'), 'web'),
'url': caption['Url'],
@ -412,7 +437,7 @@ class TikTokBaseIE(InfoExtractor):
'album': str_or_none(music_info.get('album')) or None,
'artists': re.split(r'(?:, | & )', music_author) if music_author else None,
'formats': formats,
'subtitles': self.extract_subtitles(aweme_detail, aweme_id),
'subtitles': self.extract_subtitles(aweme_detail, aweme_id, user_url),
'thumbnails': thumbnails,
'duration': int_or_none(traverse_obj(video_info, 'duration', ('download_addr', 'duration')), scale=1000),
'availability': self._availability(
@ -554,6 +579,7 @@ class TikTokBaseIE(InfoExtractor):
'channel_id': channel_id,
'uploader_url': user_url,
'formats': formats,
'subtitles': self.extract_subtitles(aweme_detail, video_id, None),
'thumbnails': thumbnails,
'http_headers': {
'Referer': webpage_url,
@ -839,25 +865,7 @@ class TikTokIE(TikTokBaseIE):
self.report_warning(f'{e}; trying with webpage')
url = self._create_url(user_id, video_id)
webpage = self._download_webpage(url, video_id, headers={'User-Agent': 'Mozilla/5.0'})
if universal_data := self._get_universal_data(webpage, video_id):
self.write_debug('Found universal data for rehydration')
status = traverse_obj(universal_data, ('webapp.video-detail', 'statusCode', {int})) or 0
video_data = traverse_obj(universal_data, ('webapp.video-detail', 'itemInfo', 'itemStruct', {dict}))
elif sigi_data := self._get_sigi_state(webpage, video_id):
self.write_debug('Found sigi state data')
status = traverse_obj(sigi_data, ('VideoPage', 'statusCode', {int})) or 0
video_data = traverse_obj(sigi_data, ('ItemModule', video_id, {dict}))
elif next_data := self._search_nextjs_data(webpage, video_id, default={}):
self.write_debug('Found next.js data')
status = traverse_obj(next_data, ('props', 'pageProps', 'statusCode', {int})) or 0
video_data = traverse_obj(next_data, ('props', 'pageProps', 'itemInfo', 'itemStruct', {dict}))
else:
raise ExtractorError('Unable to extract webpage video data')
video_data, status = self._extract_web_data_and_status(url, video_id)
if video_data and status == 0:
return self._parse_aweme_video_web(video_data, url, video_id)