youtube_dl/extractor/cnn.py

   1 import re
   2
   3 from .common import InfoExtractor
   4 from ..utils import (
   5     int_or_none,
   6     parse_duration,
   7 )
   8
   9
  10 class CNNIE(InfoExtractor):
  11     _VALID_URL = r'''(?x)https?://((edition|www)\.)?cnn\.com/video/(data/.+?|\?)/
  12         (?P<path>.+?/(?P<title>[^/]+?)(?:\.cnn|(?=&)))'''
  13
  14     _TESTS = [{
  15         u'url': u'http://edition.cnn.com/video/?/video/sports/2013/06/09/nadal-1-on-1.cnn',
  16         u'file': u'sports_2013_06_09_nadal-1-on-1.cnn.mp4',
  17         u'md5': u'3e6121ea48df7e2259fe73a0628605c4',
  18         u'info_dict': {
  19             u'title': u'Nadal wins 8th French Open title',
  20             u'description': u'World Sport\'s Amanda Davies chats with 2013 French Open champion Rafael Nadal.',
  21             u'duration': 135,
  22             u'upload_date': u'20130609',
  23         },
  24     },
  25     {
  26         u"url": u"http://edition.cnn.com/video/?/video/us/2013/08/21/sot-student-gives-epic-speech.georgia-institute-of-technology&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2Fcnn_topstories+%28RSS%3A+Top+Stories%29",
  27         u"file": u"us_2013_08_21_sot-student-gives-epic-speech.georgia-institute-of-technology.mp4",
  28         u"md5": u"b5cc60c60a3477d185af8f19a2a26f4e",
  29         u"info_dict": {
  30             u"title": "Student's epic speech stuns new freshmen",
  31             u"description": "A Georgia Tech student welcomes the incoming freshmen with an epic speech backed by music from \"2001: A Space Odyssey.\""
  32         }
  33     }]
  34
  35     def _real_extract(self, url):
  36         mobj = re.match(self._VALID_URL, url)
  37         path = mobj.group('path')
  38         page_title = mobj.group('title')
  39         info_url = u'http://cnn.com/video/data/3.0/%s/index.xml' % path
  40         info = self._download_xml(info_url, page_title)
  41
  42         formats = []
  43         rex = re.compile(r'''(?x)
  44             (?P<width>[0-9]+)x(?P<height>[0-9]+)
  45             (?:_(?P<bitrate>[0-9]+)k)?
  46         ''')
  47         for f in info.findall('files/file'):
  48             video_url = 'http://ht.cdn.turner.com/cnn/big%s' % (f.text.strip())
  49             fdct = {
  50                 'format_id': f.attrib['bitrate'],
  51                 'url': video_url,
  52             }
  53
  54             mf = rex.match(f.attrib['bitrate'])
  55             if mf:
  56                 fdct['width'] = int(mf.group('width'))
  57                 fdct['height'] = int(mf.group('height'))
  58                 fdct['tbr'] = int_or_none(mf.group('bitrate'))
  59             else:
  60                 mf = rex.search(f.text)
  61                 if mf:
  62                     fdct['width'] = int(mf.group('width'))
  63                     fdct['height'] = int(mf.group('height'))
  64                     fdct['tbr'] = int_or_none(mf.group('bitrate'))
  65                 else:
  66                     mi = re.match(r'ios_(audio|[0-9]+)$', f.attrib['bitrate'])
  67                     if mi:
  68                         if mi.group(1) == 'audio':
  69                             fdct['vcodec'] = 'none'
  70                             fdct['ext'] = 'm4a'
  71                         else:
  72                             fdct['tbr'] = int(mi.group(1))
  73
  74             formats.append(fdct)
  75
  76         self._sort_formats(formats)
  77
  78         thumbnails = sorted([((int(t.attrib['height']),int(t.attrib['width'])), t.text) for t in info.findall('images/image')])
  79         thumbs_dict = [{'resolution': res, 'url': t_url} for (res, t_url) in thumbnails]
  80
  81         metas_el = info.find('metas')
  82         upload_date = (
  83             metas_el.attrib.get('version') if metas_el is not None else None)
  84
  85         duration_el = info.find('length')
  86         duration = parse_duration(duration_el.text)
  87
  88         return {
  89             'id': info.attrib['id'],
  90             'title': info.find('headline').text,
  91             'formats': formats,
  92             'thumbnail': thumbnails[-1][1],
  93             'thumbnails': thumbs_dict,
  94             'description': info.find('description').text,
  95             'duration': duration,
  96             'upload_date': upload_date,
  97         }