mirror of https://github.com/yt-dlp/yt-dlp.git
[extractor] Extract chapters from JSON-LD (#2031)
Authored by: iw0nderhow, pukkandan
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chris
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@ -208,6 +208,65 @@ class TestInfoExtractor(unittest.TestCase):
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},
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{'expected_type': 'NewsArticle'},
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),
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(
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r'''<script type="application/ld+json">
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{"url":"/vrtnu/a-z/het-journaal/2021/het-journaal-het-journaal-19u-20211231/",
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"name":"Het journaal 19u",
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"description":"Het journaal 19u van vrijdag 31 december 2021.",
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"potentialAction":{"url":"https://vrtnu.page.link/pfVy6ihgCAJKgHqe8","@type":"ShareAction"},
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"mainEntityOfPage":{"@id":"1640092242445","@type":"WebPage"},
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"publication":[{
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"startDate":"2021-12-31T19:00:00.000+01:00",
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"endDate":"2022-01-30T23:55:00.000+01:00",
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"publishedBy":{"name":"een","@type":"Organization"},
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"publishedOn":{"url":"https://www.vrt.be/vrtnu/","name":"VRT NU","@type":"BroadcastService"},
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"@id":"pbs-pub-3a7ec233-da95-4c1e-9b2b-cf5fdfebcbe8",
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"@type":"BroadcastEvent"
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}],
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"video":{
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"name":"Het journaal - Aflevering 365 (Seizoen 2021)",
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"description":"Het journaal 19u van vrijdag 31 december 2021. Bekijk aflevering 365 van seizoen 2021 met VRT NU via de site of app.",
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"thumbnailUrl":"//images.vrt.be/width1280/2021/12/31/80d5ed00-6a64-11ec-b07d-02b7b76bf47f.jpg",
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"expires":"2022-01-30T23:55:00.000+01:00",
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"hasPart":[
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{"name":"Explosie Turnhout","startOffset":70,"@type":"Clip"},
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{"name":"Jaarwisseling","startOffset":440,"@type":"Clip"},
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{"name":"Natuurbranden Colorado","startOffset":1179,"@type":"Clip"},
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{"name":"Klimaatverandering","startOffset":1263,"@type":"Clip"},
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{"name":"Zacht weer","startOffset":1367,"@type":"Clip"},
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{"name":"Financiële balans","startOffset":1383,"@type":"Clip"},
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{"name":"Club Brugge","startOffset":1484,"@type":"Clip"},
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{"name":"Mentale gezondheid bij topsporters","startOffset":1575,"@type":"Clip"},
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{"name":"Olympische Winterspelen","startOffset":1728,"@type":"Clip"},
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{"name":"Sober oudjaar in Nederland","startOffset":1873,"@type":"Clip"}
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],
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"duration":"PT34M39.23S",
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"uploadDate":"2021-12-31T19:00:00.000+01:00",
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"@id":"vid-9457d0c6-b8ac-4aba-b5e1-15aa3a3295b5",
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"@type":"VideoObject"
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},
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"genre":["Nieuws en actua"],
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"episodeNumber":365,
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"partOfSeries":{"name":"Het journaal","@id":"222831405527","@type":"TVSeries"},
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"partOfSeason":{"name":"Seizoen 2021","@id":"961809365527","@type":"TVSeason"},
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"@context":"https://schema.org","@id":"961685295527","@type":"TVEpisode"}</script>
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''',
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{
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'chapters': [
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{"title": "Explosie Turnhout", "start_time": 70, "end_time": 440},
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{"title": "Jaarwisseling", "start_time": 440, "end_time": 1179},
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{"title": "Natuurbranden Colorado", "start_time": 1179, "end_time": 1263},
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{"title": "Klimaatverandering", "start_time": 1263, "end_time": 1367},
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{"title": "Zacht weer", "start_time": 1367, "end_time": 1383},
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{"title": "Financiële balans", "start_time": 1383, "end_time": 1484},
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{"title": "Club Brugge", "start_time": 1484, "end_time": 1575},
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{"title": "Mentale gezondheid bij topsporters", "start_time": 1575, "end_time": 1728},
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{"title": "Olympische Winterspelen", "start_time": 1728, "end_time": 1873},
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{"title": "Sober oudjaar in Nederland", "start_time": 1873, "end_time": 2079.23}
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],
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'title': 'Het journaal - Aflevering 365 (Seizoen 2021)'
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}, {}
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),
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(
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# test multiple thumbnails in a list
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r'''
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@ -1429,6 +1429,23 @@ class InfoExtractor(object):
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continue
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info[count_key] = interaction_count
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def extract_chapter_information(e):
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chapters = [{
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'title': part.get('name'),
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'start_time': part.get('startOffset'),
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'end_time': part.get('endOffset'),
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} for part in e.get('hasPart', []) if part.get('@type') == 'Clip']
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for idx, (last_c, current_c, next_c) in enumerate(zip(
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[{'end_time': 0}] + chapters, chapters, chapters[1:])):
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current_c['end_time'] = current_c['end_time'] or next_c['start_time']
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current_c['start_time'] = current_c['start_time'] or last_c['end_time']
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if None in current_c.values():
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self.report_warning(f'Chapter {idx} contains broken data. Not extracting chapters')
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return
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if chapters:
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chapters[-1]['end_time'] = chapters[-1]['end_time'] or info['duration']
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info['chapters'] = chapters
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def extract_video_object(e):
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assert e['@type'] == 'VideoObject'
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author = e.get('author')
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@ -1452,6 +1469,7 @@ class InfoExtractor(object):
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'view_count': int_or_none(e.get('interactionCount')),
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})
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extract_interaction_statistic(e)
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extract_chapter_information(e)
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def traverse_json_ld(json_ld, at_top_level=True):
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for e in json_ld:
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