+from __future__ import unicode_literals
+
import re
import json
from .common import InfoExtractor
+from .youtube import YoutubeIE
from ..utils import (
clean_html,
+ ExtractorError,
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+)'
+ IE_NAME = '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',
+ 'url': 'http://techtv.mit.edu/videos/25418-mit-dna-learning-center-set',
+ 'md5': '00a3a27ee20d44bcaa0933ccec4a2cf7',
+ 'info_dict': {
+ 'id': '25418',
+ 'ext': 'mp4',
+ 'title': 'MIT DNA and Protein Sets',
+ 'description': 'md5:46f5c69ce434f0a97e7c628cc142802d',
},
}
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(u'<!--.*?-->', re.S).sub(u'', raw_page)
+ clean_page = re.compile(r'<!--.*?-->', re.S).sub('', 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'])
+ base_url = self._proto_relative_url(self._search_regex(
+ r'ipadUrl: \'(.+?cloudfront.net/)', raw_page, 'base url'), 'http:')
+ 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, u'thumbnail', flags=re.DOTALL)
+ thumbnail = self._search_regex(
+ r'playlist:.*?url: \'(.+?)\'',
+ raw_page, 'thumbnail', flags=re.DOTALL)
- return {'id': video_id,
- 'title': title,
- 'url': base_url + formats[-1]['url'].replace('mp4:', ''),
- 'ext': 'mp4',
- 'description': description,
- 'thumbnail': thumbnail,
- }
+ 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>[^/]+)'
+class OCWMITIE(InfoExtractor):
+ IE_NAME = 'ocw.mit.edu'
+ _VALID_URL = r'^https?://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)'
+ _BASE_URL = 'http://ocw.mit.edu/'
- _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',
+ _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': 'webm',
+ '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)
- 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')
+ 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',
+ }
projects / youtube-dl / blobdiff