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-rw-r--r--youtube_dl/extractor/sandia.py115
1 files changed, 115 insertions, 0 deletions
diff --git a/youtube_dl/extractor/sandia.py b/youtube_dl/extractor/sandia.py
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+++ b/youtube_dl/extractor/sandia.py
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+# coding: utf-8
+from __future__ import unicode_literals
+
+import itertools
+import json
+import re
+
+from .common import InfoExtractor
+from ..compat import compat_urlparse
+from ..utils import (
+ int_or_none,
+ js_to_json,
+ mimetype2ext,
+ sanitized_Request,
+ unified_strdate,
+)
+
+
+class SandiaIE(InfoExtractor):
+ IE_DESC = 'Sandia National Laboratories'
+ _VALID_URL = r'https?://digitalops\.sandia\.gov/Mediasite/Play/(?P<id>[0-9a-f]+)'
+ _TEST = {
+ 'url': 'http://digitalops.sandia.gov/Mediasite/Play/24aace4429fc450fb5b38cdbf424a66e1d',
+ 'md5': '9422edc9b9a60151727e4b6d8bef393d',
+ 'info_dict': {
+ 'id': '24aace4429fc450fb5b38cdbf424a66e1d',
+ 'ext': 'mp4',
+ 'title': 'Xyce Software Training - Section 1',
+ 'description': 're:(?s)SAND Number: SAND 2013-7800.{200,}',
+ 'upload_date': '20120904',
+ 'duration': 7794,
+ }
+ }
+
+ def _real_extract(self, url):
+ video_id = self._match_id(url)
+
+ req = sanitized_Request(url)
+ req.add_header('Cookie', 'MediasitePlayerCaps=ClientPlugins=4')
+ webpage = self._download_webpage(req, video_id)
+
+ js_path = self._search_regex(
+ r'<script type="text/javascript" src="(/Mediasite/FileServer/Presentation/[^"]+)"',
+ webpage, 'JS code URL')
+ js_url = compat_urlparse.urljoin(url, js_path)
+
+ js_code = self._download_webpage(
+ js_url, video_id, note='Downloading player')
+
+ def extract_str(key, **args):
+ return self._search_regex(
+ r'Mediasite\.PlaybackManifest\.%s\s*=\s*(.+);\s*?\n' % re.escape(key),
+ js_code, key, **args)
+
+ def extract_data(key, **args):
+ data_json = extract_str(key, **args)
+ if data_json is None:
+ return data_json
+ return self._parse_json(
+ data_json, video_id, transform_source=js_to_json)
+
+ formats = []
+ for i in itertools.count():
+ fd = extract_data('VideoUrls[%d]' % i, default=None)
+ if fd is None:
+ break
+ formats.append({
+ 'format_id': '%s' % i,
+ 'format_note': fd['MimeType'].partition('/')[2],
+ 'ext': mimetype2ext(fd['MimeType']),
+ 'url': fd['Location'],
+ 'protocol': 'f4m' if fd['MimeType'] == 'video/x-mp4-fragmented' else None,
+ })
+ self._sort_formats(formats)
+
+ slide_baseurl = compat_urlparse.urljoin(
+ url, extract_data('SlideBaseUrl'))
+ slide_template = slide_baseurl + re.sub(
+ r'\{0:D?([0-9+])\}', r'%0\1d', extract_data('SlideImageFileNameTemplate'))
+ slides = []
+ last_slide_time = 0
+ for i in itertools.count(1):
+ sd = extract_str('Slides[%d]' % i, default=None)
+ if sd is None:
+ break
+ timestamp = int_or_none(self._search_regex(
+ r'^Mediasite\.PlaybackManifest\.CreateSlide\("[^"]*"\s*,\s*([0-9]+),',
+ sd, 'slide %s timestamp' % i, fatal=False))
+ slides.append({
+ 'url': slide_template % i,
+ 'duration': timestamp - last_slide_time,
+ })
+ last_slide_time = timestamp
+ formats.append({
+ 'format_id': 'slides',
+ 'protocol': 'slideshow',
+ 'url': json.dumps(slides),
+ 'preference': -10000, # Downloader not yet written
+ })
+ self._sort_formats(formats)
+
+ title = extract_data('Title')
+ description = extract_data('Description', fatal=False)
+ duration = int_or_none(extract_data(
+ 'Duration', fatal=False), scale=1000)
+ upload_date = unified_strdate(extract_data('AirDate', fatal=False))
+
+ return {
+ 'id': video_id,
+ 'title': title,
+ 'description': description,
+ 'formats': formats,
+ 'upload_date': upload_date,
+ 'duration': duration,
+ }