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[extractor/youtube] Improve chapter parsing from description

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Closes #5448
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pukkandan 2022-11-05 15:34:53 +05:30
parent 68a9a450d4
commit 2e30b46fe4
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1 changed files with 6 additions and 1 deletions
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7
yt_dlp/extractor/youtube.py
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@ -3027,9 +3027,14 @@ def _extract_chapters_from_engagement_panel(self, data, duration):
for contents in content_list)), [])
def _extract_chapters_from_description(self, description, duration):
duration_re = r'(?:\d+:)?\d{1,2}:\d{2}'
sep_re = r'(?m)^\s*(%s)\b\W*\s(%s)\s*$'
return self._extract_chapters(
re.findall(r'(?m)^((?:\d+:)?\d{1,2}:\d{2})\b\W*\s(.+?)\s*$', description or ''),
re.findall(sep_re % (duration_re, r'.+?'), description or ''),
chapter_time=lambda x: parse_duration(x[0]), chapter_title=lambda x: x[1],
duration=duration, strict=False) or self._extract_chapters(
re.findall(sep_re % (r'.+?', duration_re), description or ''),
chapter_time=lambda x: parse_duration(x[1]), chapter_title=lambda x: x[0],
duration=duration, strict=False)
def _extract_chapters(self, chapter_list, chapter_time, chapter_title, duration, strict=True):