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youtube-dl/youtube_dl/extractor/mit.py
Jeff Smith b5ba7b9dcf Fix MIT extractor for Python 2.6
The HTML for the MIT page does not parse cleanly for Python 2.6 due
to script tags within an actual script element.  The offending piece
is inside a comment block, so removing all such comment blocks
fixes the parsing.
2013-08-28 14:24:42 -05:00

75 lines
2.6 KiB
Python

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')