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[youtube-dl] / youtube_dl / extractor / nbc.py
1 from __future__ import unicode_literals
2
3 import re
4 import json
5
6 from .common import InfoExtractor
7 from ..utils import find_xpath_attr, compat_str
8
9
10 class NBCIE(InfoExtractor):
11     _VALID_URL = r'http://www\.nbc\.com/[^/]+/video/[^/]+/(?P<id>n?\d+)'
12
13     _TEST = {
14         'url': 'http://www.nbc.com/chicago-fire/video/i-am-a-firefighter/2734188',
15         'md5': '54d0fbc33e0b853a65d7b4de5c06d64e',
16         'info_dict': {
17             'id': 'u1RInQZRN7QJ',
18             'ext': 'flv',
19             'title': 'I Am a Firefighter',
20             'description': 'An emergency puts Dawson\'sf irefighter skills to the ultimate test in this four-part digital series.',
21         },
22     }
23
24     def _real_extract(self, url):
25         mobj = re.match(self._VALID_URL, url)
26         video_id = mobj.group('id')
27         webpage = self._download_webpage(url, video_id)
28         theplatform_url = self._search_regex('class="video-player video-player-full" data-mpx-url="(.*?)"', webpage, 'theplatform url')
29         if theplatform_url.startswith('//'):
30             theplatform_url = 'http:' + theplatform_url
31         return self.url_result(theplatform_url)
32
33
34 class NBCNewsIE(InfoExtractor):
35     _VALID_URL = r'''(?x)https?://www\.nbcnews\.com/
36         ((video/.+?/(?P<id>\d+))|
37         (feature/[^/]+/(?P<title>.+)))
38         '''
39
40     _TESTS = [
41         {
42             'url': 'http://www.nbcnews.com/video/nbc-news/52753292',
43             'md5': '47abaac93c6eaf9ad37ee6c4463a5179',
44             'info_dict': {
45                 'id': '52753292',
46                 'ext': 'flv',
47                 'title': 'Crew emerges after four-month Mars food study',
48                 'description': 'md5:24e632ffac72b35f8b67a12d1b6ddfc1',
49             },
50         },
51         {
52             'url': 'http://www.nbcnews.com/feature/edward-snowden-interview/how-twitter-reacted-snowden-interview-n117236',
53             'md5': 'b2421750c9f260783721d898f4c42063',
54             'info_dict': {
55                 'id': 'I1wpAI_zmhsQ',
56                 'ext': 'flv',
57                 'title': 'How Twitter Reacted To The Snowden Interview',
58                 'description': 'md5:65a0bd5d76fe114f3c2727aa3a81fe64',
59             },
60             'add_ie': ['ThePlatform'],
61         },
62     ]
63
64     def _real_extract(self, url):
65         mobj = re.match(self._VALID_URL, url)
66         video_id = mobj.group('id')
67         if video_id is not None:
68             all_info = self._download_xml('http://www.nbcnews.com/id/%s/displaymode/1219' % video_id, video_id)
69             info = all_info.find('video')
70
71             return {
72                 'id': video_id,
73                 'title': info.find('headline').text,
74                 'ext': 'flv',
75                 'url': find_xpath_attr(info, 'media', 'type', 'flashVideo').text,
76                 'description': compat_str(info.find('caption').text),
77                 'thumbnail': find_xpath_attr(info, 'media', 'type', 'thumbnail').text,
78             }
79         else:
80             # "feature" pages use theplatform.com
81             title = mobj.group('title')
82             webpage = self._download_webpage(url, title)
83             bootstrap_json = self._search_regex(
84                 r'var bootstrapJson = ({.+})\s*$', webpage, 'bootstrap json',
85                 flags=re.MULTILINE)
86             bootstrap = json.loads(bootstrap_json)
87             info = bootstrap['results'][0]['video']
88             playlist_url = info['fallbackPlaylistUrl'] + '?form=MPXNBCNewsAPI'
89             mpxid = info['mpxId']
90             all_videos = self._download_json(playlist_url, title)['videos']
91             # The response contains additional videos
92             info = next(v for v in all_videos if v['mpxId'] == mpxid)
93
94             return {
95                 '_type': 'url',
96                 # We get the best quality video
97                 'url': info['videoAssets'][-1]['publicUrl'],
98                 'ie_key': 'ThePlatform',
99             }