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[extractor/youtube] Bring back _extract_chapters_from_description
Closes #3886
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@ -2715,6 +2715,21 @@ def _extract_chapters_from_engagement_panel(self, data, duration):
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for contents in content_list
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))), [])
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@staticmethod
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def _extract_chapters_from_description(description, duration):
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chapters = [{'start_time': 0}]
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for timestamp, title in re.findall(
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r'(?m)^((?:\d+:)?\d{1,2}:\d{2})\b\W*\s(.+?)\s*$', description or ''):
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start = parse_duration(timestamp)
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if start and title and chapters[-1]['start_time'] < start < duration:
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chapters[-1]['end_time'] = start
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chapters.append({
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'start_time': start,
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'title': title,
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})
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chapters[-1]['end_time'] = duration
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return chapters[1:]
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def _extract_chapters(self, chapter_list, chapter_time, chapter_title, duration):
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chapters = []
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last_chapter = {'start_time': 0}
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@ -3668,6 +3683,7 @@ def process_language(container, base_url, lang_code, sub_name, query):
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info['chapters'] = (
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self._extract_chapters_from_json(initial_data, duration)
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or self._extract_chapters_from_engagement_panel(initial_data, duration)
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or self._extract_chapters_from_description(video_description, duration)
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or None)
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contents = traverse_obj(
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