]> git.bitcoin.ninja Git - youtube-dl/blob - youtube_dl/extractor/mit.py
[thisav] Simplify and use unicode literals
[youtube-dl] / youtube_dl / extractor / mit.py
1 import re
2 import json
3
4 from .common import InfoExtractor
5 from ..utils import (
6     clean_html,
7     get_element_by_id,
8 )
9
10
11 class TechTVMITIE(InfoExtractor):
12     IE_NAME = u'techtv.mit.edu'
13     _VALID_URL = r'https?://techtv\.mit\.edu/(videos|embeds)/(?P<id>\d+)'
14
15     _TEST = {
16         u'url': u'http://techtv.mit.edu/videos/25418-mit-dna-learning-center-set',
17         u'file': u'25418.mp4',
18         u'md5': u'1f8cb3e170d41fd74add04d3c9330e5f',
19         u'info_dict': {
20             u'title': u'MIT DNA Learning Center Set',
21             u'description': u'md5:82313335e8a8a3f243351ba55bc1b474',
22         },
23     }
24
25     def _real_extract(self, url):
26         mobj = re.match(self._VALID_URL, url)
27         video_id = mobj.group('id')
28         raw_page = self._download_webpage(
29             'http://techtv.mit.edu/videos/%s' % video_id, video_id)
30         clean_page = re.compile(u'<!--.*?-->', re.S).sub(u'', raw_page)
31
32         base_url = self._search_regex(r'ipadUrl: \'(.+?cloudfront.net/)',
33             raw_page, u'base url')
34         formats_json = self._search_regex(r'bitrates: (\[.+?\])', raw_page,
35             u'video formats')
36         formats_mit = json.loads(formats_json)
37         formats = [
38             {
39                 'format_id': f['label'],
40                 'url': base_url + f['url'].partition(':')[2],
41                 'ext': f['url'].partition(':')[0],
42                 'format': f['label'],
43                 'width': f['width'],
44                 'vbr': f['bitrate'],
45             }
46             for f in formats_mit
47         ]
48
49         title = get_element_by_id('edit-title', clean_page)
50         description = clean_html(get_element_by_id('edit-description', clean_page))
51         thumbnail = self._search_regex(r'playlist:.*?url: \'(.+?)\'',
52             raw_page, u'thumbnail', flags=re.DOTALL)
53
54         return {'id': video_id,
55                 'title': title,
56                 'formats': formats,
57                 'description': description,
58                 'thumbnail': thumbnail,
59                 }
60
61
62 class MITIE(TechTVMITIE):
63     IE_NAME = u'video.mit.edu'
64     _VALID_URL = r'https?://video\.mit\.edu/watch/(?P<title>[^/]+)'
65
66     _TEST = {
67         u'url': u'http://video.mit.edu/watch/the-government-is-profiling-you-13222/',
68         u'file': u'21783.mp4',
69         u'md5': u'7db01d5ccc1895fc5010e9c9e13648da',
70         u'info_dict': {
71             u'title': u'The Government is Profiling You',
72             u'description': u'md5:ad5795fe1e1623b73620dbfd47df9afd',
73         },
74     }
75
76     def _real_extract(self, url):
77         mobj = re.match(self._VALID_URL, url)
78         page_title = mobj.group('title')
79         webpage = self._download_webpage(url, page_title)
80         self.to_screen('%s: Extracting %s url' % (page_title, TechTVMITIE.IE_NAME))
81         embed_url = self._search_regex(r'<iframe .*?src="(.+?)"', webpage,
82             u'embed url')
83         return self.url_result(embed_url, ie='TechTVMIT')