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https://github.com/ytdl-org/youtube-dl
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[extractor/common] Add initial support for JSON-LD metadata extraction into info_dict
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@ -34,6 +34,7 @@ from ..utils import (
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fix_xml_ampersands,
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float_or_none,
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int_or_none,
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parse_iso8601,
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RegexNotFoundError,
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sanitize_filename,
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sanitized_Request,
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@ -762,6 +763,42 @@ class InfoExtractor(object):
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return self._html_search_meta('twitter:player', html,
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'twitter card player')
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def _search_json_ld(self, html, video_id, fatal=True):
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json_ld = self._search_regex(
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r'(?s)<script[^>]+type=(["\'])application/ld\+json\1[^>]*>(?P<json_ld>.+?)</script>',
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html, 'JSON-LD', fatal=fatal, group='json_ld')
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if not json_ld:
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return {}
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return self._json_ld(json_ld, video_id, fatal=fatal)
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def _json_ld(self, json_ld, video_id, fatal=True):
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if isinstance(json_ld, compat_str):
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json_ld = self._parse_json(json_ld, video_id, fatal=fatal)
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if not json_ld:
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return {}
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info = {}
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if json_ld.get('@context') == 'http://schema.org':
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item_type = json_ld.get('@type')
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if item_type == 'TVEpisode':
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info.update({
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'episode': unescapeHTML(json_ld.get('name')),
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'episode_number': int_or_none(json_ld.get('episodeNumber')),
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'description': unescapeHTML(json_ld.get('description')),
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})
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part_of_season = json_ld.get('partOfSeason')
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if isinstance(part_of_season, dict) and part_of_season.get('@type') == 'TVSeason':
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info['season_number'] = int_or_none(part_of_season.get('seasonNumber'))
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part_of_series = json_ld.get('partOfSeries')
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if isinstance(part_of_series, dict) and part_of_series.get('@type') == 'TVSeries':
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info['series'] = unescapeHTML(part_of_series.get('name'))
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elif item_type == 'Article':
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info.update({
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'timestamp': parse_iso8601(json_ld.get('datePublished')),
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'title': unescapeHTML(json_ld.get('headline')),
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'description': unescapeHTML(json_ld.get('articleBody')),
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})
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return dict((k, v) for k, v in info.items() if v is not None)
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@staticmethod
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def _hidden_inputs(html):
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html = re.sub(r'<!--(?:(?!<!--).)*-->', '', html)
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