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_mit = json.loads(formats_json) formats = [ { 'format_id': f['label'], 'url': base_url + f['url'].partition(':')[2], 'ext': f['url'].partition(':')[0], 'format': f['label'], 'width': f['width'], 'vbr': f['bitrate'], } for f in formats_mit ] 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, 'formats': formats, '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')