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[udemy] Fix subtitles extraction (closes #13812)
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parent
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commit
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1 changed files with 30 additions and 17 deletions
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@ -15,6 +15,7 @@ from ..utils import (
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ExtractorError,
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float_or_none,
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int_or_none,
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js_to_json,
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sanitized_Request,
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unescapeHTML,
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urlencode_postdata,
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@ -268,6 +269,25 @@ class UdemyIE(InfoExtractor):
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f = add_output_format_meta(f, format_id)
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formats.append(f)
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def extract_subtitles(track_list):
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if not isinstance(track_list, list):
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return
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for track in track_list:
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if not isinstance(track, dict):
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continue
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if track.get('kind') != 'captions':
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continue
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src = track.get('src')
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if not src or not isinstance(src, compat_str):
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continue
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lang = track.get('language') or track.get(
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'srclang') or track.get('label')
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sub_dict = automatic_captions if track.get(
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'autogenerated') is True else subtitles
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sub_dict.setdefault(lang, []).append({
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'url': src,
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})
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download_urls = asset.get('download_urls')
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if isinstance(download_urls, dict):
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extract_formats(download_urls.get('Video'))
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@ -315,23 +335,16 @@ class UdemyIE(InfoExtractor):
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extract_formats(data.get('sources'))
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if not duration:
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duration = int_or_none(data.get('duration'))
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tracks = data.get('tracks')
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if 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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if track.get('kind') != 'captions':
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continue
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src = track.get('src')
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if not src or not isinstance(src, compat_str):
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continue
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lang = track.get('language') or track.get(
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'srclang') or track.get('label')
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sub_dict = automatic_captions if track.get(
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'autogenerated') is True else subtitles
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sub_dict.setdefault(lang, []).append({
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'url': src,
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})
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extract_subtitles(data.get('tracks'))
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if not subtitles and not automatic_captions:
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text_tracks = self._parse_json(
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self._search_regex(
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r'text-tracks=(["\'])(?P<data>\[.+?\])\1', view_html,
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'text tracks', default='{}', group='data'), video_id,
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transform_source=lambda s: js_to_json(unescapeHTML(s)),
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fatal=False)
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extract_subtitles(text_tracks)
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self._sort_formats(formats, field_preference=('height', 'width', 'tbr', 'format_id'))
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