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Commit | Line | Data |
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5b2478e2 PH |
1 | from __future__ import unicode_literals |
2 | ||
67b22dd0 JMF |
3 | import re |
4 | import json | |
5 | ||
6 | from .common import InfoExtractor | |
7216de55 | 7 | from .youtube import YoutubeIE |
67b22dd0 | 8 | from ..utils import ( |
5b2478e2 | 9 | compat_urlparse, |
67b22dd0 | 10 | clean_html, |
a83a3139 | 11 | ExtractorError, |
67b22dd0 JMF |
12 | get_element_by_id, |
13 | ) | |
14 | ||
15 | ||
16 | class TechTVMITIE(InfoExtractor): | |
5b2478e2 | 17 | IE_NAME = 'techtv.mit.edu' |
67b22dd0 JMF |
18 | _VALID_URL = r'https?://techtv\.mit\.edu/(videos|embeds)/(?P<id>\d+)' |
19 | ||
20 | _TEST = { | |
5b2478e2 PH |
21 | 'url': 'http://techtv.mit.edu/videos/25418-mit-dna-learning-center-set', |
22 | 'md5': '1f8cb3e170d41fd74add04d3c9330e5f', | |
23 | 'info_dict': { | |
24 | 'id': '25418', | |
25 | 'ext': 'mp4', | |
26 | 'title': 'MIT DNA Learning Center Set', | |
27 | 'description': 'md5:82313335e8a8a3f243351ba55bc1b474', | |
67b22dd0 JMF |
28 | }, |
29 | } | |
30 | ||
31 | def _real_extract(self, url): | |
32 | mobj = re.match(self._VALID_URL, url) | |
33 | video_id = mobj.group('id') | |
b5ba7b9d | 34 | raw_page = self._download_webpage( |
67b22dd0 | 35 | 'http://techtv.mit.edu/videos/%s' % video_id, video_id) |
5b2478e2 | 36 | clean_page = re.compile(r'<!--.*?-->', re.S).sub('', raw_page) |
67b22dd0 | 37 | |
5b2478e2 PH |
38 | base_url = self._search_regex( |
39 | r'ipadUrl: \'(.+?cloudfront.net/)', raw_page, 'base url') | |
40 | formats_json = self._search_regex( | |
41 | r'bitrates: (\[.+?\])', raw_page, 'video formats') | |
719d3927 PH |
42 | formats_mit = json.loads(formats_json) |
43 | formats = [ | |
44 | { | |
45 | 'format_id': f['label'], | |
46 | 'url': base_url + f['url'].partition(':')[2], | |
47 | 'ext': f['url'].partition(':')[0], | |
48 | 'format': f['label'], | |
49 | 'width': f['width'], | |
50 | 'vbr': f['bitrate'], | |
51 | } | |
52 | for f in formats_mit | |
53 | ] | |
67b22dd0 | 54 | |
b5ba7b9d JS |
55 | title = get_element_by_id('edit-title', clean_page) |
56 | description = clean_html(get_element_by_id('edit-description', clean_page)) | |
5b2478e2 PH |
57 | thumbnail = self._search_regex( |
58 | r'playlist:.*?url: \'(.+?)\'', | |
59 | raw_page, 'thumbnail', flags=re.DOTALL) | |
67b22dd0 | 60 | |
5b2478e2 PH |
61 | return { |
62 | 'id': video_id, | |
63 | 'title': title, | |
64 | 'formats': formats, | |
65 | 'description': description, | |
66 | 'thumbnail': thumbnail, | |
67 | } | |
67b22dd0 JMF |
68 | |
69 | ||
70 | class MITIE(TechTVMITIE): | |
5b2478e2 | 71 | IE_NAME = 'video.mit.edu' |
67b22dd0 JMF |
72 | _VALID_URL = r'https?://video\.mit\.edu/watch/(?P<title>[^/]+)' |
73 | ||
74 | _TEST = { | |
5b2478e2 | 75 | 'url': 'http://video.mit.edu/watch/the-government-is-profiling-you-13222/', |
5b2478e2 PH |
76 | 'md5': '7db01d5ccc1895fc5010e9c9e13648da', |
77 | 'info_dict': { | |
78 | 'id': '21783', | |
79 | 'ext': 'mp4', | |
80 | 'title': 'The Government is Profiling You', | |
81 | 'description': 'md5:ad5795fe1e1623b73620dbfd47df9afd', | |
67b22dd0 JMF |
82 | }, |
83 | } | |
84 | ||
85 | def _real_extract(self, url): | |
86 | mobj = re.match(self._VALID_URL, url) | |
87 | page_title = mobj.group('title') | |
88 | webpage = self._download_webpage(url, page_title) | |
5b2478e2 PH |
89 | embed_url = self._search_regex( |
90 | r'<iframe .*?src="(.+?)"', webpage, 'embed url') | |
67b22dd0 | 91 | return self.url_result(embed_url, ie='TechTVMIT') |
151bae35 | 92 | |
7216de55 | 93 | |
151bae35 | 94 | class OCWMITIE(InfoExtractor): |
7216de55 | 95 | IE_NAME = 'ocw.mit.edu' |
151bae35 | 96 | _VALID_URL = r'^http://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)' |
7216de55 | 97 | _BASE_URL = 'http://ocw.mit.edu/' |
151bae35 AW |
98 | |
99 | _TESTS = [ | |
100 | { | |
7216de55 PH |
101 | 'url': 'http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-041-probabilistic-systems-analysis-and-applied-probability-fall-2010/video-lectures/lecture-7-multiple-variables-expectations-independence/', |
102 | 'info_dict': { | |
103 | 'id': 'EObHWIEKGjA', | |
104 | 'ext': 'mp4', | |
105 | 'title': 'Lecture 7: Multiple Discrete Random Variables: Expectations, Conditioning, Independence', | |
106 | 'description': 'In this lecture, the professor discussed multiple random variables, expectations, and binomial distribution.', | |
107 | #'subtitles': 'http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-041-probabilistic-systems-analysis-and-applied-probability-fall-2010/video-lectures/lecture-7-multiple-variables-expectations-independence/MIT6_041F11_lec07_300k.mp4.srt' | |
151bae35 AW |
108 | } |
109 | }, | |
110 | { | |
7216de55 PH |
111 | 'url': 'http://ocw.mit.edu/courses/mathematics/18-01sc-single-variable-calculus-fall-2010/1.-differentiation/part-a-definition-and-basic-rules/session-1-introduction-to-derivatives/', |
112 | 'info_dict': { | |
113 | 'id': '7K1sB05pE0A', | |
114 | 'ext': 'mp4', | |
115 | 'title': 'Session 1: Introduction to Derivatives', | |
116 | 'description': 'This section contains lecture video excerpts, lecture notes, an interactive mathlet with supporting documents, and problem solving videos.', | |
117 | #'subtitles': 'http://ocw.mit.edu//courses/mathematics/18-01sc-single-variable-calculus-fall-2010/ocw-18.01-f07-lec01_300k.SRT' | |
151bae35 AW |
118 | } |
119 | } | |
120 | ] | |
121 | ||
122 | def _real_extract(self, url): | |
7216de55 PH |
123 | mobj = re.match(self._VALID_URL, url) |
124 | topic = mobj.group('topic') | |
125 | ||
126 | webpage = self._download_webpage(url, topic) | |
127 | title = self._html_search_meta('WT.cg_s', webpage) | |
128 | description = self._html_search_meta('Description', webpage) | |
151bae35 AW |
129 | |
130 | # search for call to ocw_embed_chapter_media(container_id, media_url, provider, page_url, image_url, start, stop, captions_file) | |
131 | embed_chapter_media = re.search(r'ocw_embed_chapter_media\((.+?)\)', webpage) | |
132 | if embed_chapter_media: | |
7216de55 | 133 | metadata = re.sub(r'[\'"]', '', embed_chapter_media.group(1)) |
151bae35 AW |
134 | metadata = re.split(r', ?', metadata) |
135 | yt = metadata[1] | |
136 | subs = compat_urlparse.urljoin(self._BASE_URL, metadata[7]) | |
137 | else: | |
138 | # search for call to ocw_embed_chapter_media(container_id, media_url, provider, page_url, image_url, captions_file) | |
139 | embed_media = re.search(r'ocw_embed_media\((.+?)\)', webpage) | |
140 | if embed_media: | |
7216de55 | 141 | metadata = re.sub(r'[\'"]', '', embed_media.group(1)) |
151bae35 AW |
142 | metadata = re.split(r', ?', metadata) |
143 | yt = metadata[1] | |
144 | subs = compat_urlparse.urljoin(self._BASE_URL, metadata[5]) | |
145 | else: | |
146 | raise ExtractorError('Unable to find embedded YouTube video.') | |
7216de55 | 147 | video_id = YoutubeIE.extract_id(yt) |
151bae35 | 148 | |
7216de55 PH |
149 | return { |
150 | '_type': 'url_transparent', | |
151 | 'id': video_id, | |
152 | 'title': title, | |
153 | 'description': description, | |
154 | 'url': yt, | |
155 | 'url_transparent' | |
156 | 'subtitles': subs, | |
157 | 'ie_key': 'Youtube', | |
158 | } |