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[youtube-dl] / youtube_dl / extractor / nfb.py
1 from __future__ import unicode_literals
2
3 from .common import InfoExtractor
4 from ..compat import (
5     compat_urllib_request,
6     compat_urllib_parse,
7 )
8
9
10 class NFBIE(InfoExtractor):
11     IE_NAME = 'nfb'
12     IE_DESC = 'National Film Board of Canada'
13     _VALID_URL = r'https?://(?:www\.)?(?:nfb|onf)\.ca/film/(?P<id>[\da-z_-]+)'
14
15     _TEST = {
16         'url': 'https://www.nfb.ca/film/qallunaat_why_white_people_are_funny',
17         'info_dict': {
18             'id': 'qallunaat_why_white_people_are_funny',
19             'ext': 'mp4',
20             'title': 'Qallunaat! Why White People Are Funny ',
21             'description': 'md5:836d8aff55e087d04d9f6df554d4e038',
22             'duration': 3128,
23             'uploader': 'Mark Sandiford',
24             'uploader_id': 'mark-sandiford',
25         },
26         'params': {
27             # rtmp download
28             'skip_download': True,
29         }
30     }
31
32     def _real_extract(self, url):
33         video_id = self._match_id(url)
34         page = self._download_webpage(
35             'https://www.nfb.ca/film/%s' % video_id, video_id,
36             'Downloading film page')
37
38         uploader_id = self._html_search_regex(r'<a class="director-link" href="/explore-all-directors/([^/]+)/"',
39                                               page, 'director id', fatal=False)
40         uploader = self._html_search_regex(r'<em class="director-name" itemprop="name">([^<]+)</em>',
41                                            page, 'director name', fatal=False)
42
43         request = compat_urllib_request.Request('https://www.nfb.ca/film/%s/player_config' % video_id,
44                                                 compat_urllib_parse.urlencode({'getConfig': 'true'}).encode('ascii'))
45         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
46         request.add_header('X-NFB-Referer', 'http://www.nfb.ca/medias/flash/NFBVideoPlayer.swf')
47
48         config = self._download_xml(request, video_id, 'Downloading player config XML')
49
50         title = None
51         description = None
52         thumbnail = None
53         duration = None
54         formats = []
55
56         def extract_thumbnail(media):
57             thumbnails = {}
58             for asset in media.findall('assets/asset'):
59                 thumbnails[asset.get('quality')] = asset.find('default/url').text
60             if not thumbnails:
61                 return None
62             if 'high' in thumbnails:
63                 return thumbnails['high']
64             return list(thumbnails.values())[0]
65
66         for media in config.findall('./player/stream/media'):
67             if media.get('type') == 'posterImage':
68                 thumbnail = extract_thumbnail(media)
69             elif media.get('type') == 'video':
70                 duration = int(media.get('duration'))
71                 title = media.find('title').text
72                 description = media.find('description').text
73                 # It seems assets always go from lower to better quality, so no need to sort
74                 for asset in media.findall('assets/asset'):
75                     for x in asset:
76                         formats.append({
77                             'url': x.find('streamerURI').text,
78                             'app': x.find('streamerURI').text.split('/', 3)[3],
79                             'play_path': x.find('url').text,
80                             'rtmp_live': False,
81                             'ext': 'mp4',
82                             'format_id': '%s-%s' % (x.tag, asset.get('quality')),
83                         })
84
85         return {
86             'id': video_id,
87             'title': title,
88             'description': description,
89             'thumbnail': thumbnail,
90             'duration': duration,
91             'uploader': uploader,
92             'uploader_id': uploader_id,
93             'formats': formats,
94         }