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-rw-r--r--youtube_dl/extractor/libraryofcongress.py87
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,
}