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# coding: utf-8
from __future__ import unicode_literals
import re
import json
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_urlparse,
)
from ..utils import (
ExtractorError,
float_or_none,
mimetype2ext,
unescapeHTML,
unsmuggle_url,
urljoin,
)
class MediasiteIE(InfoExtractor):
_VALID_URL = r'(?xi)https?://[^/]+/Mediasite/Play/(?P<id>[0-9a-f]{32,34})(?P<query>\?[^#]+|)'
_TESTS = [
{
'url': 'https://hitsmediaweb.h-its.org/mediasite/Play/2db6c271681e4f199af3c60d1f82869b1d',
'info_dict': {
'id': '2db6c271681e4f199af3c60d1f82869b1d',
'ext': 'mp4',
'title': 'Lecture: Tuesday, September 20, 2016 - Sir Andrew Wiles',
'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.',
'timestamp': 1474268400.0,
'upload_date': '20160919',
},
},
{
'url': 'http://mediasite.uib.no/Mediasite/Play/90bb363295d945d6b548c867d01181361d?catalog=a452b7df-9ae1-46b7-a3ba-aceeb285f3eb',
'info_dict': {
'id': '90bb363295d945d6b548c867d01181361d',
'ext': 'mp4',
'upload_date': '20150429',
'title': '5) IT-forum 2015-Dag 1 - Dungbeetle - How and why Rain created a tiny bug tracker for Unity',
'timestamp': 1430311380.0,
},
},
{
'url': 'https://collegerama.tudelft.nl/Mediasite/Play/585a43626e544bdd97aeb71a0ec907a01d',
'md5': '481fda1c11f67588c0d9d8fbdced4e39',
'info_dict': {
'id': '585a43626e544bdd97aeb71a0ec907a01d',
'ext': 'mp4',
'title': 'Een nieuwe wereld: waarden, bewustzijn en techniek van de mensheid 2.0.',
'description': '',
'thumbnail': r're:^https?://.*\.jpg(?:\?.*)?$',
'duration': 7713.088,
'timestamp': 1413309600,
'upload_date': '20141014',
},
},
{
'url': 'https://collegerama.tudelft.nl/Mediasite/Play/86a9ea9f53e149079fbdb4202b521ed21d?catalog=fd32fd35-6c99-466c-89d4-cd3c431bc8a4',
'md5': 'ef1fdded95bdf19b12c5999949419c92',
'info_dict': {
'id': '86a9ea9f53e149079fbdb4202b521ed21d',
'ext': 'wmv',
'title': '64ste Vakantiecursus: Afvalwater',
'description': 'md5:7fd774865cc69d972f542b157c328305',
'thumbnail': r're:^https?://.*\.jpg(?:\?.*?)?$',
'duration': 10853,
'timestamp': 1326446400,
'upload_date': '20120113',
},
},
{
'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d',
'md5': '9422edc9b9a60151727e4b6d8bef393d',
'info_dict': {
'id': '24aace4429fc450fb5b38cdbf424a66e1d',
'ext': 'mp4',
'title': 'Xyce Software Training - Section 1',
'description': r're:(?s)SAND Number: SAND 2013-7800.{200,}',
'upload_date': '20120409',
'timestamp': 1333983600,
'duration': 7794,
}
}
]
# look in Mediasite.Core.js (Mediasite.ContentStreamType[*])
_STREAM_TYPES = {
0: 'video1', # the main video
2: 'slide',
3: 'presentation',
4: 'video2', # screencast?
5: 'video3',
}
@staticmethod
def _extract_urls(webpage):
return [
unescapeHTML(mobj.group('url'))
for mobj in re.finditer(
r'(?xi)<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:(?:https?:)?//[^/]+)?/Mediasite/Play/[0-9a-f]{32,34}(?:\?.*?)?)\1',
webpage)]
def _real_extract(self, url):
url, data = unsmuggle_url(url, {})
mobj = re.match(self._VALID_URL, url)
resource_id = mobj.group('id')
query = mobj.group('query')
webpage, urlh = self._download_webpage_handle(url, resource_id) # XXX: add UrlReferrer?
redirect_url = compat_str(urlh.geturl())
# XXX: might have also extracted UrlReferrer and QueryString from the html
service_path = compat_urlparse.urljoin(redirect_url, self._html_search_regex(
r'<div[^>]+\bid=["\']ServicePath[^>]+>(.+?)</div>', webpage, resource_id,
default='/Mediasite/PlayerService/PlayerService.svc/json'))
player_options = self._download_json(
'%s/GetPlayerOptions' % service_path, resource_id,
headers={
'Content-type': 'application/json; charset=utf-8',
'X-Requested-With': 'XMLHttpRequest',
},
data=json.dumps({
'getPlayerOptionsRequest': {
'ResourceId': resource_id,
'QueryString': query,
'UrlReferrer': data.get('UrlReferrer', ''),
'UseScreenReader': False,
}
}).encode('utf-8'))['d']
presentation = player_options['Presentation']
title = presentation['Title']
if presentation is None:
raise ExtractorError(
'Mediasite says: %s' % player_options['PlayerPresentationStatusMessage'],
expected=True)
thumbnails = []
formats = []
for snum, Stream in enumerate(presentation['Streams']):
stream_type = Stream.get('StreamType')
if stream_type is None:
continue
video_urls = Stream.get('VideoUrls')
if not isinstance(video_urls, list):
video_urls = []
stream_id = self._STREAM_TYPES.get(
stream_type, 'type%u' % stream_type)
stream_formats = []
for unum, VideoUrl in enumerate(video_urls):
video_url = VideoUrl.get('Location')
if not video_url or not isinstance(video_url, compat_str):
continue
# XXX: if Stream.get('CanChangeScheme', False), switch scheme to HTTP/HTTPS
media_type = VideoUrl.get('MediaType')
if media_type == 'SS':
stream_formats.extend(self._extract_ism_formats(
video_url, resource_id,
ism_id='%s-%u.%u' % (stream_id, snum, unum),
fatal=False))
elif media_type == 'Dash':
stream_formats.extend(self._extract_mpd_formats(
video_url, resource_id,
mpd_id='%s-%u.%u' % (stream_id, snum, unum),
fatal=False))
else:
stream_formats.append({
'format_id': '%s-%u.%u' % (stream_id, snum, unum),
'url': video_url,
'ext': mimetype2ext(VideoUrl.get('MimeType')),
})
# TODO: if Stream['HasSlideContent']:
# synthesise an MJPEG video stream '%s-%u.slides' % (stream_type, snum)
# from Stream['Slides']
# this will require writing a custom downloader...
# disprefer 'secondary' streams
if stream_type != 0:
for fmt in stream_formats:
fmt['preference'] = -1
thumbnail_url = Stream.get('ThumbnailUrl')
if thumbnail_url:
thumbnails.append({
'id': '%s-%u' % (stream_id, snum),
'url': urljoin(redirect_url, thumbnail_url),
'preference': -1 if stream_type != 0 else 0,
})
formats.extend(stream_formats)
self._sort_formats(formats)
# XXX: Presentation['Presenters']
# XXX: Presentation['Transcript']
return {
'id': resource_id,
'title': title,
'description': presentation.get('Description'),
'duration': float_or_none(presentation.get('Duration'), 1000),
'timestamp': float_or_none(presentation.get('UnixTime'), 1000),
'formats': formats,
'thumbnails': thumbnails,
}
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