mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-28 02:53:05 +08:00
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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