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[InfoExtractor] Rework and improve JWPlayer extraction
* use traverse_obj() and _search_json() * support playlist `.load({**video1},{**video2}, ...)` * support transform_source=... for _extract_jwplayer_data()
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1 changed files with 22 additions and 33 deletions
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@ -3021,25 +3021,22 @@ class InfoExtractor(object):
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return formats
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def _find_jwplayer_data(self, webpage, video_id=None, transform_source=js_to_json):
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mobj = re.search(
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r'''(?s)jwplayer\s*\(\s*(?P<q>'|")(?!(?P=q)).+(?P=q)\s*\)(?!</script>).*?\.\s*setup\s*\(\s*(?P<options>(?:\([^)]*\)|[^)])+)\s*\)''',
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webpage)
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if mobj:
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try:
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jwplayer_data = self._parse_json(mobj.group('options'),
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video_id=video_id,
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transform_source=transform_source)
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except ExtractorError:
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pass
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else:
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if isinstance(jwplayer_data, dict):
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return jwplayer_data
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return self._search_json(
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r'''(?<!-)\bjwplayer\s*\(\s*(?P<q>'|")(?!(?P=q)).+(?P=q)\s*\)(?:(?!</script>).)*?\.\s*(?:setup\s*\(|(?P<load>load)\s*\(\s*\[)''',
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webpage, 'JWPlayer data', video_id,
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# must be a {...} or sequence, ending
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contains_pattern=r'\{[\s\S]*}(?(load)(?:\s*,\s*\{[\s\S]*})*)', end_pattern=r'(?(load)\]|\))',
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transform_source=transform_source, default=None)
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def _extract_jwplayer_data(self, webpage, video_id, *args, **kwargs):
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jwplayer_data = self._find_jwplayer_data(
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webpage, video_id, transform_source=js_to_json)
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return self._parse_jwplayer_data(
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jwplayer_data, video_id, *args, **kwargs)
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# allow passing `transform_source` through to _find_jwplayer_data()
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transform_source = kwargs.pop('transform_source', None)
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kwfind = compat_kwargs({'transform_source': transform_source}) if transform_source else {}
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jwplayer_data = self._find_jwplayer_data(webpage, video_id, **kwfind)
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return self._parse_jwplayer_data(jwplayer_data, video_id, *args, **kwargs)
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def _parse_jwplayer_data(self, jwplayer_data, video_id=None, require_title=True,
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m3u8_id=None, mpd_id=None, rtmp_params=None, base_url=None):
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@ -3073,22 +3070,14 @@ class InfoExtractor(object):
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mpd_id=mpd_id, rtmp_params=rtmp_params, base_url=base_url)
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subtitles = {}
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tracks = video_data.get('tracks')
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if tracks and isinstance(tracks, list):
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for track in tracks:
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if not isinstance(track, dict):
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continue
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track_kind = track.get('kind')
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if not track_kind or not isinstance(track_kind, compat_str):
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continue
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if track_kind.lower() not in ('captions', 'subtitles'):
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continue
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track_url = urljoin(base_url, track.get('file'))
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if not track_url:
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continue
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subtitles.setdefault(track.get('label') or 'en', []).append({
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'url': self._proto_relative_url(track_url)
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})
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for track in traverse_obj(video_data, (
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'tracks', lambda _, t: t.get('kind').lower() in ('captions', 'subtitles'))):
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track_url = urljoin(base_url, track.get('file'))
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if not track_url:
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continue
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subtitles.setdefault(track.get('label') or 'en', []).append({
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'url': self._proto_relative_url(track_url)
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})
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entry = {
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'id': this_video_id,
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