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9c3c447e T |
1 | # coding: utf-8 |
2 | from __future__ import unicode_literals | |
3 | ||
4 | from .common import InfoExtractor | |
5 | ||
7f3c3dfa S |
6 | from ..utils import ( |
7 | determine_ext, | |
8 | float_or_none, | |
9 | int_or_none, | |
10 | ) | |
9c3c447e T |
11 | |
12 | ||
13 | class LibraryOfCongressIE(InfoExtractor): | |
7f3c3dfa S |
14 | IE_NAME = 'loc' |
15 | IE_DESC = 'Library of Congress' | |
9c3c447e | 16 | _VALID_URL = r'https?://(?:www\.)?loc\.gov/item/(?P<id>[0-9]+)' |
7f3c3dfa S |
17 | _TEST = { |
18 | 'url': 'http://loc.gov/item/90716351/', | |
19 | 'md5': '353917ff7f0255aa6d4b80a034833de8', | |
9c3c447e T |
20 | 'info_dict': { |
21 | 'id': '90716351', | |
22 | 'ext': 'mp4', | |
7f3c3dfa S |
23 | 'title': "Pa's trip to Mars", |
24 | 'thumbnail': 're:^https?://.*\.jpg$', | |
25 | 'duration': 0, | |
26 | 'view_count': int, | |
9c3c447e | 27 | }, |
7f3c3dfa | 28 | } |
9c3c447e T |
29 | |
30 | def _real_extract(self, url): | |
31 | video_id = self._match_id(url) | |
32 | webpage = self._download_webpage(url, video_id) | |
33 | ||
7f3c3dfa S |
34 | media_id = self._search_regex( |
35 | (r'id=(["\'])media-player-(?P<id>.+?)\1', | |
36 | r'<video[^>]+id=(["\'])uuid-(?P<id>.+?)\1', | |
37 | r'<video[^>]+data-uuid=(["\'])(?P<id>.+?)\1'), | |
38 | webpage, 'media id', group='id') | |
39 | ||
40 | data = self._parse_json( | |
41 | self._download_webpage( | |
42 | 'https://media.loc.gov/services/v1/media?id=%s&context=json' % media_id, | |
43 | video_id), | |
44 | video_id)['mediaObject'] | |
9c3c447e | 45 | |
7f3c3dfa S |
46 | derivative = data['derivatives'][0] |
47 | media_url = derivative['derivativeUrl'] | |
9c3c447e | 48 | |
7f3c3dfa S |
49 | # Following algorithm was extracted from setAVSource js function |
50 | # found in webpage | |
9c3c447e T |
51 | media_url = media_url.replace('rtmp', 'https') |
52 | ||
7f3c3dfa S |
53 | is_video = data.get('mediaType', 'v').lower() == 'v' |
54 | ext = determine_ext(media_url) | |
55 | if ext not in ('mp4', 'mp3'): | |
9c3c447e T |
56 | media_url += '.mp4' if is_video else '.mp3' |
57 | ||
7f3c3dfa S |
58 | if 'vod/mp4:' in media_url: |
59 | formats = [{ | |
60 | 'url': media_url.replace('vod/mp4:', 'hls-vod/media/') + '.m3u8', | |
61 | 'format_id': 'hls', | |
62 | 'ext': 'mp4', | |
63 | 'protocol': 'm3u8_native', | |
64 | }] | |
65 | elif 'vod/mp3:' in media_url: | |
66 | formats = [{ | |
67 | 'url': media_url.replace('vod/mp3:', ''), | |
68 | 'vcodec': 'none', | |
69 | }] | |
70 | ||
71 | self._sort_formats(formats) | |
9c3c447e | 72 | |
7f3c3dfa S |
73 | title = derivative.get('shortName') or data.get('shortName') or self._og_search_title(webpage) |
74 | duration = float_or_none(data.get('duration')) | |
75 | view_count = int_or_none(data.get('viewCount')) | |
9c3c447e T |
76 | |
77 | return { | |
78 | 'id': video_id, | |
7f3c3dfa | 79 | 'title': title, |
9c3c447e | 80 | 'thumbnail': self._og_search_thumbnail(webpage), |
7f3c3dfa S |
81 | 'duration': duration, |
82 | 'view_count': view_count, | |
9c3c447e T |
83 | 'formats': formats, |
84 | } |