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-rw-r--r--youtube_dl/extractor/mit.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/youtube_dl/extractor/mit.py b/youtube_dl/extractor/mit.py
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+++ b/youtube_dl/extractor/mit.py
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+import re
+import json
+
+from .common import InfoExtractor
+from ..utils import (
+ clean_html,
+ get_element_by_id,
+)
+
+
+class TechTVMITIE(InfoExtractor):
+ IE_NAME = u'techtv.mit.edu'
+ _VALID_URL = r'https?://techtv\.mit\.edu/(videos|embeds)/(?P<id>\d+)'
+
+ _TEST = {
+ u'url': u'http://techtv.mit.edu/videos/25418-mit-dna-learning-center-set',
+ u'file': u'25418.mp4',
+ u'md5': u'1f8cb3e170d41fd74add04d3c9330e5f',
+ u'info_dict': {
+ u'title': u'MIT DNA Learning Center Set',
+ u'description': u'md5:82313335e8a8a3f243351ba55bc1b474',
+ },
+ }
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ video_id = mobj.group('id')
+ raw_page = self._download_webpage(
+ 'http://techtv.mit.edu/videos/%s' % video_id, video_id)
+ clean_page = re.compile(u'<!--.*?-->', re.S).sub(u'', raw_page)
+
+ base_url = self._search_regex(r'ipadUrl: \'(.+?cloudfront.net/)',
+ raw_page, u'base url')
+ formats_json = self._search_regex(r'bitrates: (\[.+?\])', raw_page,
+ u'video formats')
+ formats = json.loads(formats_json)
+ formats = sorted(formats, key=lambda f: f['bitrate'])
+
+ title = get_element_by_id('edit-title', clean_page)
+ description = clean_html(get_element_by_id('edit-description', clean_page))
+ thumbnail = self._search_regex(r'playlist:.*?url: \'(.+?)\'',
+ raw_page, u'thumbnail', flags=re.DOTALL)
+
+ return {'id': video_id,
+ 'title': title,
+ 'url': base_url + formats[-1]['url'].replace('mp4:', ''),
+ 'ext': 'mp4',
+ 'description': description,
+ 'thumbnail': thumbnail,
+ }
+
+
+class MITIE(TechTVMITIE):
+ IE_NAME = u'video.mit.edu'
+ _VALID_URL = r'https?://video\.mit\.edu/watch/(?P<title>[^/]+)'
+
+ _TEST = {
+ u'url': u'http://video.mit.edu/watch/the-government-is-profiling-you-13222/',
+ u'file': u'21783.mp4',
+ u'md5': u'7db01d5ccc1895fc5010e9c9e13648da',
+ u'info_dict': {
+ u'title': u'The Government is Profiling You',
+ u'description': u'md5:ad5795fe1e1623b73620dbfd47df9afd',
+ },
+ }
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ page_title = mobj.group('title')
+ webpage = self._download_webpage(url, page_title)
+ self.to_screen('%s: Extracting %s url' % (page_title, TechTVMITIE.IE_NAME))
+ embed_url = self._search_regex(r'<iframe .*?src="(.+?)"', webpage,
+ u'embed url')
+ return self.url_result(embed_url, ie='TechTVMIT')