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Rewrite ZDF channel extractor to use an API instead of web scraping

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This commit is contained in:
InvalidUsernameException 2024-09-16 20:45:39 +02:00
parent 4a9bc8c363
commit 8c27ce471d
1 changed files with 26 additions and 21 deletions
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45
yt_dlp/extractor/zdf.py
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@ -5,7 +5,6 @@
NO_DEFAULT,
ExtractorError,
determine_ext,
extract_attributes,
float_or_none,
int_or_none,
join_nonempty,
@ -410,32 +409,38 @@ def _og_search_title(self, webpage, fatal=False):
title = super()._og_search_title(webpage, fatal=fatal)
return re.split(r'\s+[-|]\s+ZDF(?:mediathek)?$', title or '')[0] or None
def _extract_document_id(self, webpage):
matches = re.search(r'docId\s*:\s*[\'"](?P<docid>[^\'"]+)[\'"]', webpage)
return matches and matches.group('docid')
def _real_extract(self, url):
channel_id = self._match_id(url)
webpage = self._download_webpage(url, channel_id)
matches = re.finditer(
rf'''<div\b[^>]*?\sdata-plusbar-id\s*=\s*(["'])(?P<p_id>[\w-]+)\1[^>]*?\sdata-plusbar-url=\1(?P<url>{ZDFIE._VALID_URL})\1''',
webpage)
main_video = None
playlist_videos = []
document_id = self._extract_document_id(webpage)
if document_id is not None:
data = self._download_json(
f'https://zdf-prod-futura.zdf.de/mediathekV2/document/{document_id}',
document_id)
for cluster in data['cluster']:
for teaser in cluster['teaser']:
if cluster['type'] == 'teaserContent' and teaser['type'] == 'video':
main_video = main_video or teaser['sharingUrl']
elif cluster['type'] == 'teaser' and teaser['type'] == 'video':
if teaser['brandId'] != document_id:
# These are unrelated 'You might also like' videos, filter them out
continue
playlist_videos.append(teaser['sharingUrl'])
if self._downloader.params.get('noplaylist', False):
entry = next(
(self.url_result(m.group('url'), ie=ZDFIE.ie_key()) for m in matches),
None)
self.to_screen('Downloading just the main video because of --no-playlist')
if entry:
return entry
return self.url_result(main_video)
else:
self.to_screen(f'Downloading playlist {channel_id} - add --no-playlist to download just the main video')
def check_video(m):
v_ref = self._search_regex(
r'''(<a\b[^>]*?\shref\s*=[^>]+?\sdata-target-id\s*=\s*(["']){}\2[^>]*>)'''.format(m.group('p_id')),
webpage, 'check id', default='')
v_ref = extract_attributes(v_ref)
return v_ref.get('data-target-video-type') != 'novideo'
return self.playlist_from_matches(
(m.group('url') for m in matches if check_video(m)),
channel_id, self._og_search_title(webpage, fatal=False))
playlist_videos, channel_id,
self._og_search_title(webpage, fatal=False))