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