diff options
| -rw-r--r-- | youtube_dl/extractor/libraryofcongress.py | 87 |
1 files changed, 53 insertions, 34 deletions
diff --git a/youtube_dl/extractor/libraryofcongress.py b/youtube_dl/extractor/libraryofcongress.py index 0c34dbce3..d311f9946 100644 --- a/youtube_dl/extractor/libraryofcongress.py +++ b/youtube_dl/extractor/libraryofcongress.py @@ -3,63 +3,82 @@ from __future__ import unicode_literals from .common import InfoExtractor -from ..utils import determine_ext +from ..utils import ( + determine_ext, + float_or_none, + int_or_none, +) class LibraryOfCongressIE(InfoExtractor): + IE_NAME = 'loc' + IE_DESC = 'Library of Congress' _VALID_URL = r'https?://(?:www\.)?loc\.gov/item/(?P<id>[0-9]+)' - _TESTS = [{ - 'url': 'http://loc.gov/item/90716351/', + _TEST = { + 'url': 'http://loc.gov/item/90716351/', + 'md5': '353917ff7f0255aa6d4b80a034833de8', 'info_dict': { 'id': '90716351', 'ext': 'mp4', - 'title': 'Pa\'s trip to Mars /' + 'title': "Pa's trip to Mars", + 'thumbnail': 're:^https?://.*\.jpg$', + 'duration': 0, + 'view_count': int, }, - 'params': { - # m3u8 download - 'skip_download': True, - } - }, { - 'url': 'https://www.loc.gov/item/97516576/', - 'only_matching': True, - }] + } def _real_extract(self, url): video_id = self._match_id(url) webpage = self._download_webpage(url, video_id) - self.report_extraction(video_id) - json_id = self._search_regex('media-player-([0-9A-Z]{32})', webpage, 'json id') + media_id = self._search_regex( + (r'id=(["\'])media-player-(?P<id>.+?)\1', + r'<video[^>]+id=(["\'])uuid-(?P<id>.+?)\1', + r'<video[^>]+data-uuid=(["\'])(?P<id>.+?)\1'), + webpage, 'media id', group='id') + + data = self._parse_json( + self._download_webpage( + 'https://media.loc.gov/services/v1/media?id=%s&context=json' % media_id, + video_id), + video_id)['mediaObject'] - data = self._parse_json(self._download_webpage( - 'https://media.loc.gov/services/v1/media?id=%s' % json_id, - video_id), video_id) - data = data['mediaObject'] + derivative = data['derivatives'][0] + media_url = derivative['derivativeUrl'] - media_url = data['derivatives'][0]['derivativeUrl'] + # Following algorithm was extracted from setAVSource js function + # found in webpage media_url = media_url.replace('rtmp', 'https') - is_video = data['mediaType'].lower() == 'v' - if not determine_ext(media_url) in ('mp4', 'mp3'): + is_video = data.get('mediaType', 'v').lower() == 'v' + ext = determine_ext(media_url) + if ext not in ('mp4', 'mp3'): media_url += '.mp4' if is_video else '.mp3' - if media_url.index('vod/mp4:') > -1: - media_url = media_url.replace('vod/mp4:', 'hls-vod/media/') + '.m3u8' - elif url.index('vod/mp3:') > -1: - media_url = media_url.replace('vod/mp3:', '') + if 'vod/mp4:' in media_url: + formats = [{ + 'url': media_url.replace('vod/mp4:', 'hls-vod/media/') + '.m3u8', + 'format_id': 'hls', + 'ext': 'mp4', + 'protocol': 'm3u8_native', + }] + elif 'vod/mp3:' in media_url: + formats = [{ + 'url': media_url.replace('vod/mp3:', ''), + 'vcodec': 'none', + }] + + self._sort_formats(formats) - formats = [] - if determine_ext(media_url) == 'm3u8': - formats = self._extract_m3u8_formats(media_url, video_id, ext='mp4') - elif determine_ext(media_url) is 'mp3': - formats.append({ - 'url': media_url, - 'ext': 'mp3', - }) + title = derivative.get('shortName') or data.get('shortName') or self._og_search_title(webpage) + duration = float_or_none(data.get('duration')) + view_count = int_or_none(data.get('viewCount')) return { 'id': video_id, + 'title': title, 'thumbnail': self._og_search_thumbnail(webpage), - 'title': self._og_search_title(webpage), + 'duration': duration, + 'view_count': view_count, 'formats': formats, } |