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-rw-r--r--youtube_dl/extractor/mit.py53
1 files changed, 53 insertions, 0 deletions
diff --git a/youtube_dl/extractor/mit.py b/youtube_dl/extractor/mit.py
index f50e36cb4..f1db3744f 100644
--- a/youtube_dl/extractor/mit.py
+++ b/youtube_dl/extractor/mit.py
@@ -88,3 +88,56 @@ class MITIE(TechTVMITIE):
embed_url = self._search_regex(
r'<iframe .*?src="(.+?)"', webpage, 'embed url')
return self.url_result(embed_url, ie='TechTVMIT')
+
+class OCWMITIE(InfoExtractor):
+ IE_NAME = u'ocw.mit.edu'
+ _VALID_URL = r'^http://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)'
+ _BASE_URL = u'http://ocw.mit.edu/'
+
+ _TESTS = [
+ {
+ u'url': u'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/',
+ u'md5': u'348bef727b573c0bd9ad8a7c08c89ebd',
+ u'info_dict': {
+ u'title': u'7. Discrete Random Variables III',
+ u'description': u'In this lecture, the professor discussed multiple random variables, expectations, and binomial distribution.',
+ u'subtitles': u'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'
+ }
+ },
+ {
+ u'url': u'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/',
+ u'md5': u'f4a434f08f15e581eb67cec0b57bcf6f',
+ u'info_dict': {
+ u'title': u'Lec 1 _ MIT 18.01 Single Variable Calculus, Fall 2007',
+ u'subtitles': u'http://ocw.mit.edu//courses/mathematics/18-01sc-single-variable-calculus-fall-2010/ocw-18.01-f07-lec01_300k.SRT'
+ }
+ }
+ ]
+
+ def _real_extract(self, url):
+ webpage = self._download_webpage(url, self.IE_NAME)
+ title = self._html_search_meta(u'WT.cg_s', webpage)
+ description = self._html_search_meta(u'Description', webpage)
+
+ # search for call to ocw_embed_chapter_media(container_id, media_url, provider, page_url, image_url, start, stop, captions_file)
+ embed_chapter_media = re.search(r'ocw_embed_chapter_media\((.+?)\)', webpage)
+ if embed_chapter_media:
+ metadata = re.sub(r'[\'"]', u'', embed_chapter_media.group(1))
+ metadata = re.split(r', ?', metadata)
+ yt = metadata[1]
+ subs = compat_urlparse.urljoin(self._BASE_URL, metadata[7])
+ else:
+ # search for call to ocw_embed_chapter_media(container_id, media_url, provider, page_url, image_url, captions_file)
+ embed_media = re.search(r'ocw_embed_media\((.+?)\)', webpage)
+ if embed_media:
+ metadata = re.sub(r'[\'"]', u'', embed_media.group(1))
+ metadata = re.split(r', ?', metadata)
+ yt = metadata[1]
+ subs = compat_urlparse.urljoin(self._BASE_URL, metadata[5])
+ else:
+ raise ExtractorError('Unable to find embedded YouTube video.')
+
+ data = self.url_result(yt, 'Youtube')
+ data['subtitles'] = subs
+
+ return data