youtube_dl/extractor/nfb.py

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