mirror of
https://github.com/blackjack4494/yt-dlc.git
synced 2024-11-09 20:42:38 +01:00
87 lines
2.8 KiB
Python
87 lines
2.8 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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from .common import InfoExtractor
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from ..utils import (
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determine_ext,
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float_or_none,
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int_or_none,
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)
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class LibraryOfCongressIE(InfoExtractor):
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IE_NAME = 'loc'
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IE_DESC = 'Library of Congress'
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_VALID_URL = r'https?://(?:www\.)?loc\.gov/(?:item/|today/cyberlc/feature_wdesc\.php\?.*\brec=)(?P<id>[0-9]+)'
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_TESTS = [{
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'url': 'http://loc.gov/item/90716351/',
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'md5': '353917ff7f0255aa6d4b80a034833de8',
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'info_dict': {
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'id': '90716351',
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'ext': 'mp4',
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'title': "Pa's trip to Mars",
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'thumbnail': 're:^https?://.*\.jpg$',
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'duration': 0,
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'view_count': int,
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},
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}, {
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'url': 'https://www.loc.gov/today/cyberlc/feature_wdesc.php?rec=5578',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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media_id = self._search_regex(
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(r'id=(["\'])media-player-(?P<id>.+?)\1',
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r'<video[^>]+id=(["\'])uuid-(?P<id>.+?)\1',
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r'<video[^>]+data-uuid=(["\'])(?P<id>.+?)\1',
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r'mediaObjectId\s*:\s*(["\'])(?P<id>.+?)\1'),
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webpage, 'media id', group='id')
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data = self._download_json(
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'https://media.loc.gov/services/v1/media?id=%s&context=json' % media_id,
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video_id)['mediaObject']
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derivative = data['derivatives'][0]
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media_url = derivative['derivativeUrl']
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# Following algorithm was extracted from setAVSource js function
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# found in webpage
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media_url = media_url.replace('rtmp', 'https')
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is_video = data.get('mediaType', 'v').lower() == 'v'
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ext = determine_ext(media_url)
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if ext not in ('mp4', 'mp3'):
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media_url += '.mp4' if is_video else '.mp3'
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if 'vod/mp4:' in media_url:
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formats = [{
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'url': media_url.replace('vod/mp4:', 'hls-vod/media/') + '.m3u8',
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'format_id': 'hls',
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'ext': 'mp4',
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'protocol': 'm3u8_native',
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}]
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elif 'vod/mp3:' in media_url:
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formats = [{
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'url': media_url.replace('vod/mp3:', ''),
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'vcodec': 'none',
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}]
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self._sort_formats(formats)
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title = derivative.get('shortName') or data.get('shortName') or self._og_search_title(webpage)
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duration = float_or_none(data.get('duration'))
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view_count = int_or_none(data.get('viewCount'))
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return {
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'id': video_id,
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'title': title,
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'thumbnail': self._og_search_thumbnail(webpage, default=None),
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'duration': duration,
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'view_count': view_count,
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'formats': formats,
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}
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