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from __future__ import unicode_literals
import re
import json
from .common import InfoExtractor
from ..utils import (
compat_urlparse,
clean_html,
get_element_by_id,
)
class TechTVMITIE(InfoExtractor):
IE_NAME = 'techtv.mit.edu'
_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',
'md5': '1f8cb3e170d41fd74add04d3c9330e5f',
'info_dict': {
'id': '25418',
'ext': 'mp4',
'title': 'MIT DNA Learning Center Set',
'description': '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(r'<!--.*?-->', re.S).sub('', raw_page)
base_url = self._search_regex(
r'ipadUrl: \'(.+?cloudfront.net/)', raw_page, 'base url')
formats_json = self._search_regex(
r'bitrates: (\[.+?\])', raw_page, '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, 'thumbnail', flags=re.DOTALL)
return {
'id': video_id,
'title': title,
'formats': formats,
'description': description,
'thumbnail': thumbnail,
}
class MITIE(TechTVMITIE):
IE_NAME = 'video.mit.edu'
_VALID_URL = r'https?://video\.mit\.edu/watch/(?P<title>[^/]+)'
_TEST = {
'url': 'http://video.mit.edu/watch/the-government-is-profiling-you-13222/',
'file': '.mp4',
'md5': '7db01d5ccc1895fc5010e9c9e13648da',
'info_dict': {
'id': '21783',
'ext': 'mp4',
'title': 'The Government is Profiling You',
'description': '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)
embed_url = self._search_regex(
r'<iframe .*?src="(.+?)"', webpage, 'embed url')
return self.url_result(embed_url, ie='TechTVMIT')
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