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  • Committer: Package Import Robot
  • Author(s): Rogério Brito
  • Date: 2015-03-01 02:12:13 UTC
  • mfrom: (44.1.24 sid)
  • Revision ID: package-import@ubuntu.com-20150301021213-8w657cue71kp77sz
Tags: 2015.02.28-1
Imported Upstream version 2015.02.28. Closes: #778765.

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# 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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        }