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@ -3,63 +3,82 @@ from __future__ import unicode_literals |
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from .common import InfoExtractor |
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from ..utils import determine_ext |
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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/(?P<id>[0-9]+)' |
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_TESTS = [{ |
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'url': 'http://loc.gov/item/90716351/', |
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_TEST = { |
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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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'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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'params': { |
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# m3u8 download |
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'skip_download': True, |
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} |
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}, { |
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'url': 'https://www.loc.gov/item/97516576/', |
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'only_matching': True, |
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}] |
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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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self.report_extraction(video_id) |
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json_id = self._search_regex('media-player-([0-9A-Z]{32})', webpage, 'json 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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webpage, 'media id', group='id') |
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data = self._parse_json( |
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self._download_webpage( |
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'https://media.loc.gov/services/v1/media?id=%s&context=json' % media_id, |
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video_id), |
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video_id)['mediaObject'] |
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data = self._parse_json(self._download_webpage( |
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'https://media.loc.gov/services/v1/media?id=%s' % json_id, |
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video_id), video_id) |
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data = data['mediaObject'] |
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derivative = data['derivatives'][0] |
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media_url = derivative['derivativeUrl'] |
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media_url = data['derivatives'][0]['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['mediaType'].lower() == 'v' |
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if not determine_ext(media_url) in ('mp4', 'mp3'): |
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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 media_url.index('vod/mp4:') > -1: |
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media_url = media_url.replace('vod/mp4:', 'hls-vod/media/') + '.m3u8' |
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elif url.index('vod/mp3:') > -1: |
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media_url = media_url.replace('vod/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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formats = [] |
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if determine_ext(media_url) == 'm3u8': |
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formats = self._extract_m3u8_formats(media_url, video_id, ext='mp4') |
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elif determine_ext(media_url) is 'mp3': |
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formats.append({ |
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'url': media_url, |
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'ext': 'mp3', |
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}) |
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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), |
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'title': self._og_search_title(webpage), |
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'duration': duration, |
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'view_count': view_count, |
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'formats': formats, |
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} |