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[youtubedl] / 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 ..compat import (
8 compat_str,
9 )
10 from ..utils import (
11 ExtractorError,
12 find_xpath_attr,
13 )
14
15
16 class NBCIE(InfoExtractor):
17 _VALID_URL = r'http://www\.nbc\.com/(?:[^/]+/)+(?P<id>n?\d+)'
18
19 _TESTS = [
20 {
21 'url': 'http://www.nbc.com/chicago-fire/video/i-am-a-firefighter/2734188',
22 # md5 checksum is not stable
23 'info_dict': {
24 'id': 'bTmnLCvIbaaH',
25 'ext': 'flv',
26 'title': 'I Am a Firefighter',
27 'description': 'An emergency puts Dawson\'sf irefighter skills to the ultimate test in this four-part digital series.',
28 },
29 },
30 {
31 'url': 'http://www.nbc.com/the-tonight-show/episodes/176',
32 'info_dict': {
33 'id': 'XwU9KZkp98TH',
34 'ext': 'flv',
35 'title': 'Ricky Gervais, Steven Van Zandt, ILoveMakonnen',
36 'description': 'A brand new episode of The Tonight Show welcomes Ricky Gervais, Steven Van Zandt and ILoveMakonnen.',
37 },
38 'skip': 'Only works from US',
39 },
40 ]
41
42 def _real_extract(self, url):
43 video_id = self._match_id(url)
44 webpage = self._download_webpage(url, video_id)
45 theplatform_url = self._search_regex(
46 '(?:class="video-player video-player-full" data-mpx-url|class="player" src)="(.*?)"',
47 webpage, 'theplatform url').replace('_no_endcard', '')
48 if theplatform_url.startswith('//'):
49 theplatform_url = 'http:' + theplatform_url
50 return self.url_result(theplatform_url)
51
52
53 class NBCNewsIE(InfoExtractor):
54 _VALID_URL = r'''(?x)https?://www\.nbcnews\.com/
55 ((video/.+?/(?P<id>\d+))|
56 (feature/[^/]+/(?P<title>.+)))
57 '''
58
59 _TESTS = [
60 {
61 'url': 'http://www.nbcnews.com/video/nbc-news/52753292',
62 'md5': '47abaac93c6eaf9ad37ee6c4463a5179',
63 'info_dict': {
64 'id': '52753292',
65 'ext': 'flv',
66 'title': 'Crew emerges after four-month Mars food study',
67 'description': 'md5:24e632ffac72b35f8b67a12d1b6ddfc1',
68 },
69 },
70 {
71 'url': 'http://www.nbcnews.com/feature/edward-snowden-interview/how-twitter-reacted-snowden-interview-n117236',
72 'md5': 'b2421750c9f260783721d898f4c42063',
73 'info_dict': {
74 'id': 'I1wpAI_zmhsQ',
75 'ext': 'mp4',
76 'title': 'How Twitter Reacted To The Snowden Interview',
77 'description': 'md5:65a0bd5d76fe114f3c2727aa3a81fe64',
78 },
79 'add_ie': ['ThePlatform'],
80 },
81 ]
82
83 def _real_extract(self, url):
84 mobj = re.match(self._VALID_URL, url)
85 video_id = mobj.group('id')
86 if video_id is not None:
87 all_info = self._download_xml('http://www.nbcnews.com/id/%s/displaymode/1219' % video_id, video_id)
88 info = all_info.find('video')
89
90 return {
91 'id': video_id,
92 'title': info.find('headline').text,
93 'ext': 'flv',
94 'url': find_xpath_attr(info, 'media', 'type', 'flashVideo').text,
95 'description': compat_str(info.find('caption').text),
96 'thumbnail': find_xpath_attr(info, 'media', 'type', 'thumbnail').text,
97 }
98 else:
99 # "feature" pages use theplatform.com
100 title = mobj.group('title')
101 webpage = self._download_webpage(url, title)
102 bootstrap_json = self._search_regex(
103 r'var bootstrapJson = ({.+})\s*$', webpage, 'bootstrap json',
104 flags=re.MULTILINE)
105 bootstrap = json.loads(bootstrap_json)
106 info = bootstrap['results'][0]['video']
107 mpxid = info['mpxId']
108
109 base_urls = [
110 info['fallbackPlaylistUrl'],
111 info['associatedPlaylistUrl'],
112 ]
113
114 for base_url in base_urls:
115 if not base_url:
116 continue
117 playlist_url = base_url + '?form=MPXNBCNewsAPI'
118 all_videos = self._download_json(playlist_url, title)['videos']
119
120 try:
121 info = next(v for v in all_videos if v['mpxId'] == mpxid)
122 break
123 except StopIteration:
124 continue
125
126 if info is None:
127 raise ExtractorError('Could not find video in playlists')
128
129 return {
130 '_type': 'url',
131 # We get the best quality video
132 'url': info['videoAssets'][-1]['publicUrl'],
133 'ie_key': 'ThePlatform',
134 }