import json
from .common import InfoExtractor
+from .youtube import YoutubeIE
from ..utils import (
- compat_urlparse,
clean_html,
+ ExtractorError,
get_element_by_id,
)
class TechTVMITIE(InfoExtractor):
IE_NAME = 'techtv.mit.edu'
- _VALID_URL = r'https?://techtv\.mit\.edu/(videos|embeds)/(?P<id>\d+)'
+ _VALID_URL = r'https?://techtv\.mit\.edu/(?:videos|embeds)/(?P<id>\d+)'
_TEST = {
'url': 'http://techtv.mit.edu/videos/25418-mit-dna-learning-center-set',
}
def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- video_id = mobj.group('id')
+ video_id = self._match_id(url)
raw_page = self._download_webpage(
'http://techtv.mit.edu/videos/%s' % video_id, video_id)
clean_page = re.compile(r'<!--.*?-->', re.S).sub('', raw_page)
_TEST = {
'url': 'http://video.mit.edu/watch/the-government-is-profiling-you-13222/',
- 'file': '.mp4',
'md5': '7db01d5ccc1895fc5010e9c9e13648da',
'info_dict': {
'id': '21783',
embed_url = self._search_regex(
r'<iframe .*?src="(.+?)"', webpage, 'embed url')
return self.url_result(embed_url, ie='TechTVMIT')
+
+
+class OCWMITIE(InfoExtractor):
+ IE_NAME = 'ocw.mit.edu'
+ _VALID_URL = r'^http://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)'
+ _BASE_URL = 'http://ocw.mit.edu/'
+
+ _TESTS = [
+ {
+ '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/',
+ 'info_dict': {
+ 'id': 'EObHWIEKGjA',
+ 'ext': 'mp4',
+ 'title': 'Lecture 7: Multiple Discrete Random Variables: Expectations, Conditioning, Independence',
+ 'description': 'In this lecture, the professor discussed multiple random variables, expectations, and binomial distribution.',
+ 'upload_date': '20121109',
+ 'uploader_id': 'MIT',
+ 'uploader': 'MIT OpenCourseWare',
+ }
+ },
+ {
+ '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/',
+ 'info_dict': {
+ 'id': '7K1sB05pE0A',
+ 'ext': 'mp4',
+ 'title': 'Session 1: Introduction to Derivatives',
+ 'upload_date': '20090818',
+ 'uploader_id': 'MIT',
+ 'uploader': 'MIT OpenCourseWare',
+ 'description': 'This section contains lecture video excerpts, lecture notes, an interactive mathlet with supporting documents, and problem solving videos.',
+ }
+ }
+ ]
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ topic = mobj.group('topic')
+
+ webpage = self._download_webpage(url, topic)
+ title = self._html_search_meta('WT.cg_s', webpage)
+ description = self._html_search_meta('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'[\'"]', '', embed_chapter_media.group(1))
+ metadata = re.split(r', ?', metadata)
+ yt = metadata[1]
+ 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'[\'"]', '', embed_media.group(1))
+ metadata = re.split(r', ?', metadata)
+ yt = metadata[1]
+ else:
+ raise ExtractorError('Unable to find embedded YouTube video.')
+ video_id = YoutubeIE.extract_id(yt)
+
+ return {
+ '_type': 'url_transparent',
+ 'id': video_id,
+ 'title': title,
+ 'description': description,
+ 'url': yt,
+ 'ie_key': 'Youtube',
+ }