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367 lines
14 KiB
Python
367 lines
14 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import re
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import json
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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float_or_none,
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mimetype2ext,
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str_or_none,
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try_get,
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unescapeHTML,
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unsmuggle_url,
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url_or_none,
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urljoin,
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)
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_ID_RE = r'(?:[0-9a-f]{32,34}|[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12,14})'
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class MediasiteIE(InfoExtractor):
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_VALID_URL = r'(?xi)https?://[^/]+/Mediasite/(?:Play|Showcase/(?:default|livebroadcast)/Presentation)/(?P<id>%s)(?P<query>\?[^#]+|)' % _ID_RE
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_TESTS = [
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{
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'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271681e4f199af3c60d1f82869b1d',
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'info_dict': {
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'id': '2db6c271681e4f199af3c60d1f82869b1d',
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'ext': 'mp4',
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'title': 'Lecture: Tuesday, September 20, 2016 - Sir Andrew Wiles',
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'description': 'Sir Andrew Wiles: “Equations in arithmetic”\\n\\nI will describe some of the interactions between modern number theory and the problem of solving equations in rational numbers or integers\\u0027.',
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'timestamp': 1474268400.0,
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'upload_date': '20160919',
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},
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},
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{
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'url': 'http://mediasite.uib.no/Mediasite/Play/90bb363295d945d6b548c867d01181361d?catalog=a452b7df-9ae1-46b7-a3ba-aceeb285f3eb',
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'info_dict': {
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'id': '90bb363295d945d6b548c867d01181361d',
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'ext': 'mp4',
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'upload_date': '20150429',
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'title': '5) IT-forum 2015-Dag 1 - Dungbeetle - How and why Rain created a tiny bug tracker for Unity',
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'timestamp': 1430311380.0,
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},
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},
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{
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'url': 'https://collegerama.tudelft.nl/Mediasite/Play/585a43626e544bdd97aeb71a0ec907a01d',
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'md5': '481fda1c11f67588c0d9d8fbdced4e39',
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'info_dict': {
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'id': '585a43626e544bdd97aeb71a0ec907a01d',
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'ext': 'mp4',
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'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.',
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'description': '',
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'thumbnail': r're:^https?://.*\.jpg(?:\?.*)?$',
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'duration': 7713.088,
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'timestamp': 1413309600,
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'upload_date': '20141014',
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},
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},
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{
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'url': 'https://collegerama.tudelft.nl/Mediasite/Play/86a9ea9f53e149079fbdb4202b521ed21d?catalog=fd32fd35-6c99-466c-89d4-cd3c431bc8a4',
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'md5': 'ef1fdded95bdf19b12c5999949419c92',
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'info_dict': {
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'id': '86a9ea9f53e149079fbdb4202b521ed21d',
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'ext': 'wmv',
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'title': '64ste Vakantiecursus: Afvalwater',
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'description': 'md5:7fd774865cc69d972f542b157c328305',
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'thumbnail': r're:^https?://.*\.jpg(?:\?.*?)?$',
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'duration': 10853,
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'timestamp': 1326446400,
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'upload_date': '20120113',
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},
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},
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{
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'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d',
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'md5': '9422edc9b9a60151727e4b6d8bef393d',
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'info_dict': {
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'id': '24aace4429fc450fb5b38cdbf424a66e1d',
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'ext': 'mp4',
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'title': 'Xyce Software Training - Section 1',
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'description': r're:(?s)SAND Number: SAND 2013-7800.{200,}',
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'upload_date': '20120409',
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'timestamp': 1333983600,
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'duration': 7794,
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}
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},
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{
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'url': 'https://collegerama.tudelft.nl/Mediasite/Showcase/livebroadcast/Presentation/ada7020854f743c49fbb45c9ec7dbb351d',
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'only_matching': True,
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},
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{
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'url': 'https://mediasite.ntnu.no/Mediasite/Showcase/default/Presentation/7d8b913259334b688986e970fae6fcb31d',
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'only_matching': True,
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},
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{
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# dashed id
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'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271-681e-4f19-9af3-c60d1f82869b1d',
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'only_matching': True,
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}
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]
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# look in Mediasite.Core.js (Mediasite.ContentStreamType[*])
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_STREAM_TYPES = {
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0: 'video1', # the main video
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2: 'slide',
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3: 'presentation',
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4: 'video2', # screencast?
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5: 'video3',
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}
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@staticmethod
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def _extract_urls(webpage):
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return [
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unescapeHTML(mobj.group('url'))
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for mobj in re.finditer(
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r'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/%s(?:\?.*?)?)\1' % _ID_RE,
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webpage)]
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def _real_extract(self, url):
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url, data = unsmuggle_url(url, {})
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mobj = re.match(self._VALID_URL, url)
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resource_id = mobj.group('id')
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query = mobj.group('query')
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webpage, urlh = self._download_webpage_handle(url, resource_id) # XXX: add UrlReferrer?
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redirect_url = urlh.geturl()
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# XXX: might have also extracted UrlReferrer and QueryString from the html
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service_path = compat_urlparse.urljoin(redirect_url, self._html_search_regex(
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r'<div[^>]+\bid=["\']ServicePath[^>]+>(.+?)</div>', webpage, resource_id,
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default='/Mediasite/PlayerService/PlayerService.svc/json'))
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player_options = self._download_json(
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'%s/GetPlayerOptions' % service_path, resource_id,
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headers={
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'Content-type': 'application/json; charset=utf-8',
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'X-Requested-With': 'XMLHttpRequest',
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},
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data=json.dumps({
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'getPlayerOptionsRequest': {
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'ResourceId': resource_id,
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'QueryString': query,
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'UrlReferrer': data.get('UrlReferrer', ''),
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'UseScreenReader': False,
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}
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}).encode('utf-8'))['d']
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presentation = player_options['Presentation']
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title = presentation['Title']
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if presentation is None:
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raise ExtractorError(
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'Mediasite says: %s' % player_options['PlayerPresentationStatusMessage'],
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expected=True)
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thumbnails = []
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formats = []
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for snum, Stream in enumerate(presentation['Streams']):
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stream_type = Stream.get('StreamType')
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if stream_type is None:
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continue
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video_urls = Stream.get('VideoUrls')
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if not isinstance(video_urls, list):
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video_urls = []
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stream_id = self._STREAM_TYPES.get(
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stream_type, 'type%u' % stream_type)
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stream_formats = []
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for unum, VideoUrl in enumerate(video_urls):
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video_url = url_or_none(VideoUrl.get('Location'))
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if not video_url:
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continue
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# XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS
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media_type = VideoUrl.get('MediaType')
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if media_type == 'SS':
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stream_formats.extend(self._extract_ism_formats(
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video_url, resource_id,
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ism_id='%s-%u.%u' % (stream_id, snum, unum),
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fatal=False))
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elif media_type == 'Dash':
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stream_formats.extend(self._extract_mpd_formats(
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video_url, resource_id,
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mpd_id='%s-%u.%u' % (stream_id, snum, unum),
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fatal=False))
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else:
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stream_formats.append({
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'format_id': '%s-%u.%u' % (stream_id, snum, unum),
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'url': video_url,
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'ext': mimetype2ext(VideoUrl.get('MimeType')),
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})
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# TODO: if Stream['HasSlideContent']:
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# synthesise an MJPEG video stream '%s-%u.slides' % (stream_type, snum)
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# from Stream['Slides']
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# this will require writing a custom downloader...
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# disprefer 'secondary' streams
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if stream_type != 0:
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for fmt in stream_formats:
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fmt['preference'] = -1
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thumbnail_url = Stream.get('ThumbnailUrl')
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if thumbnail_url:
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thumbnails.append({
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'id': '%s-%u' % (stream_id, snum),
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'url': urljoin(redirect_url, thumbnail_url),
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'preference': -1 if stream_type != 0 else 0,
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})
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formats.extend(stream_formats)
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self._sort_formats(formats)
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# XXX: Presentation['Presenters']
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# XXX: Presentation['Transcript']
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return {
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'id': resource_id,
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'title': title,
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'description': presentation.get('Description'),
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'duration': float_or_none(presentation.get('Duration'), 1000),
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'timestamp': float_or_none(presentation.get('UnixTime'), 1000),
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'formats': formats,
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'thumbnails': thumbnails,
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}
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class MediasiteCatalogIE(InfoExtractor):
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_VALID_URL = r'''(?xi)
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(?P<url>https?://[^/]+/Mediasite)
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/Catalog/Full/
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(?P<catalog_id>{0})
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(?:
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/(?P<current_folder_id>{0})
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/(?P<root_dynamic_folder_id>{0})
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)?
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'''.format(_ID_RE)
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_TESTS = [{
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'url': 'http://events7.mediasite.com/Mediasite/Catalog/Full/631f9e48530d454381549f955d08c75e21',
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'info_dict': {
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'id': '631f9e48530d454381549f955d08c75e21',
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'title': 'WCET Summit: Adaptive Learning in Higher Ed: Improving Outcomes Dynamically',
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},
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'playlist_count': 6,
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'expected_warnings': ['is not a supported codec'],
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}, {
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# with CurrentFolderId and RootDynamicFolderId
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'url': 'https://medaudio.medicine.iu.edu/Mediasite/Catalog/Full/9518c4a6c5cf4993b21cbd53e828a92521/97a9db45f7ab47428c77cd2ed74bb98f14/9518c4a6c5cf4993b21cbd53e828a92521',
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'info_dict': {
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'id': '9518c4a6c5cf4993b21cbd53e828a92521',
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'title': 'IUSM Family and Friends Sessions',
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},
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'playlist_count': 2,
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}, {
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'url': 'http://uipsyc.mediasite.com/mediasite/Catalog/Full/d5d79287c75243c58c50fef50174ec1b21',
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'only_matching': True,
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}, {
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# no AntiForgeryToken
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'url': 'https://live.libraries.psu.edu/Mediasite/Catalog/Full/8376d4b24dd1457ea3bfe4cf9163feda21',
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'only_matching': True,
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}, {
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'url': 'https://medaudio.medicine.iu.edu/Mediasite/Catalog/Full/9518c4a6c5cf4993b21cbd53e828a92521/97a9db45f7ab47428c77cd2ed74bb98f14/9518c4a6c5cf4993b21cbd53e828a92521',
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'only_matching': True,
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}, {
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# dashed id
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'url': 'http://events7.mediasite.com/Mediasite/Catalog/Full/631f9e48-530d-4543-8154-9f955d08c75e',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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mediasite_url = mobj.group('url')
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catalog_id = mobj.group('catalog_id')
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current_folder_id = mobj.group('current_folder_id') or catalog_id
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root_dynamic_folder_id = mobj.group('root_dynamic_folder_id')
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webpage = self._download_webpage(url, catalog_id)
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# AntiForgeryToken is optional (e.g. [1])
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# 1. https://live.libraries.psu.edu/Mediasite/Catalog/Full/8376d4b24dd1457ea3bfe4cf9163feda21
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anti_forgery_token = self._search_regex(
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r'AntiForgeryToken\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
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webpage, 'anti forgery token', default=None, group='value')
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if anti_forgery_token:
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anti_forgery_header = self._search_regex(
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r'AntiForgeryHeaderName\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1',
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webpage, 'anti forgery header name',
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default='X-SOFO-AntiForgeryHeader', group='value')
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data = {
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'IsViewPage': True,
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'IsNewFolder': True,
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'AuthTicket': None,
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'CatalogId': catalog_id,
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'CurrentFolderId': current_folder_id,
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'RootDynamicFolderId': root_dynamic_folder_id,
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'ItemsPerPage': 1000,
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'PageIndex': 0,
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'PermissionMask': 'Execute',
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'CatalogSearchType': 'SearchInFolder',
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'SortBy': 'Date',
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'SortDirection': 'Descending',
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'StartDate': None,
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'EndDate': None,
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'StatusFilterList': None,
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'PreviewKey': None,
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'Tags': [],
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}
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headers = {
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'Content-Type': 'application/json; charset=UTF-8',
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'Referer': url,
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'X-Requested-With': 'XMLHttpRequest',
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}
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if anti_forgery_token:
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headers[anti_forgery_header] = anti_forgery_token
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catalog = self._download_json(
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'%s/Catalog/Data/GetPresentationsForFolder' % mediasite_url,
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catalog_id, data=json.dumps(data).encode(), headers=headers)
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entries = []
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for video in catalog['PresentationDetailsList']:
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if not isinstance(video, dict):
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continue
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video_id = str_or_none(video.get('Id'))
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if not video_id:
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continue
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entries.append(self.url_result(
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'%s/Play/%s' % (mediasite_url, video_id),
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ie=MediasiteIE.ie_key(), video_id=video_id))
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title = try_get(
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catalog, lambda x: x['CurrentFolder']['Name'], compat_str)
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return self.playlist_result(entries, catalog_id, title,)
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class MediasiteNamedCatalogIE(InfoExtractor):
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_VALID_URL = r'(?xi)(?P<url>https?://[^/]+/Mediasite)/Catalog/catalogs/(?P<catalog_name>[^/?#&]+)'
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_TESTS = [{
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'url': 'https://msite.misis.ru/Mediasite/Catalog/catalogs/2016-industrial-management-skriabin-o-o',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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mediasite_url = mobj.group('url')
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catalog_name = mobj.group('catalog_name')
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webpage = self._download_webpage(url, catalog_name)
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catalog_id = self._search_regex(
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r'CatalogId\s*:\s*["\'](%s)' % _ID_RE, webpage, 'catalog id')
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return self.url_result(
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'%s/Catalog/Full/%s' % (mediasite_url, catalog_id),
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ie=MediasiteCatalogIE.ie_key(), video_id=catalog_id)
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