Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/theplatform.py

   1 import re
   2 import json
   3
   4 from .common import InfoExtractor
   5 from ..utils import (
   6     ExtractorError,
   7     xpath_with_ns,
   8 )
   9
  10 _x = lambda p: xpath_with_ns(p, {'smil': 'http://www.w3.org/2005/SMIL21/Language'})
  11
  12
  13 class ThePlatformIE(InfoExtractor):
  14     _VALID_URL = r'''(?x)
  15         (?:https?://(?:link|player)\.theplatform\.com/[sp]/[^/]+/
  16            (?P<config>[^/\?]+/(?:swf|config)/select/)?
  17          |theplatform:)(?P<id>[^/\?&]+)'''
  18
  19     _TEST = {
  20         # from http://www.metacafe.com/watch/cb-e9I_cZgTgIPd/blackberrys_big_bold_z30/
  21         u'url': u'http://link.theplatform.com/s/dJ5BDC/e9I_cZgTgIPd/meta.smil?format=smil&Tracking=true&mbr=true',
  22         u'info_dict': {
  23             u'id': u'e9I_cZgTgIPd',
  24             u'ext': u'flv',
  25             u'title': u'Blackberry\'s big, bold Z30',
  26             u'description': u'The Z30 is Blackberry\'s biggest, baddest mobile messaging device yet.',
  27             u'duration': 247,
  28         },
  29         u'params': {
  30             # rtmp download
  31             u'skip_download': True,
  32         },
  33     }
  34
  35     def _get_info(self, video_id, smil_url):
  36         meta = self._download_xml(smil_url, video_id)
  37
  38         try:
  39             error_msg = next(
  40                 n.attrib['abstract']
  41                 for n in meta.findall(_x('.//smil:ref'))
  42                 if n.attrib.get('title') == u'Geographic Restriction')
  43         except StopIteration:
  44             pass
  45         else:
  46             raise ExtractorError(error_msg, expected=True)
  47
  48         info_url = 'http://link.theplatform.com/s/dJ5BDC/{0}?format=preview'.format(video_id)
  49         info_json = self._download_webpage(info_url, video_id)
  50         info = json.loads(info_json)
  51
  52         head = meta.find(_x('smil:head'))
  53         body = meta.find(_x('smil:body'))
  54
  55         f4m_node = body.find(_x('smil:seq/smil:video'))
  56         if f4m_node is not None:
  57             formats = [{
  58                 'ext': 'flv',
  59                 # the parameters are from syfy.com, other sites may use others
  60                 'url': f4m_node.attrib['src'] + '?g=UXWGVKRWHFSP&hdcore=3.0.3',
  61             }]
  62         else:
  63             base_url = head.find(_x('smil:meta')).attrib['base']
  64             switch = body.find(_x('smil:switch'))
  65             formats = []
  66             for f in switch.findall(_x('smil:video')):
  67                 attr = f.attrib
  68                 width = int(attr['width'])
  69                 height = int(attr['height'])
  70                 vbr = int(attr['system-bitrate']) // 1000
  71                 format_id = '%dx%d_%dk' % (width, height, vbr)
  72                 formats.append({
  73                     'format_id': format_id,
  74                     'url': base_url,
  75                     'play_path': 'mp4:' + attr['src'],
  76                     'ext': 'flv',
  77                     'width': width,
  78                     'height': height,
  79                     'vbr': vbr,
  80                 })
  81             self._sort_formats(formats)
  82
  83         return {
  84             'id': video_id,
  85             'title': info['title'],
  86             'formats': formats,
  87             'description': info['description'],
  88             'thumbnail': info['defaultThumbnailUrl'],
  89             'duration': info['duration']//1000,
  90         }
  91
  92     def _real_extract(self, url):
  93         mobj = re.match(self._VALID_URL, url)
  94         video_id = mobj.group('id')
  95         if mobj.group('config'):
  96             config_url = url+ '&form=json'
  97             config_url = config_url.replace('swf/', 'config/')
  98             config_json = self._download_webpage(config_url, video_id, u'Downloading config')
  99             config = json.loads(config_json)
 100             smil_url = config['releaseUrl'] + '&format=SMIL&formats=MPEG4'
 101         else:
 102             smil_url = ('http://link.theplatform.com/s/dJ5BDC/{0}/meta.smil?'
 103                 'format=smil&mbr=true'.format(video_id))
 104         return self._get_info(video_id, smil_url)