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[youtubedl] / youtube_dl / extractor / slideshare.py
1 import re
2 import json
3
4 from .common import InfoExtractor
5 from ..utils import (
6 compat_urlparse,
7 ExtractorError,
8 )
9
10
11 class SlideshareIE(InfoExtractor):
12 _VALID_URL = r'https?://www\.slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
13
14 _TEST = {
15 u'url': u'http://www.slideshare.net/Dataversity/keynote-presentation-managing-scale-and-complexity',
16 u'file': u'25665706.mp4',
17 u'info_dict': {
18 u'title': u'Managing Scale and Complexity',
19 u'description': u'This was a keynote presentation at the NoSQL Now! 2013 Conference & Expo (http://www.nosqlnow.com). This presentation was given by Adrian Cockcroft from Netflix',
20 },
21 }
22
23 def _real_extract(self, url):
24 mobj = re.match(self._VALID_URL, url)
25 page_title = mobj.group('title')
26 webpage = self._download_webpage(url, page_title)
27 slideshare_obj = self._search_regex(
28 r'var slideshare_object = ({.*?}); var user_info =',
29 webpage, u'slideshare object')
30 info = json.loads(slideshare_obj)
31 if info['slideshow']['type'] != u'video':
32 raise ExtractorError(u'Webpage type is "%s": only video extraction is supported for Slideshare' % info['slideshow']['type'], expected=True)
33
34 doc = info['doc']
35 bucket = info['jsplayer']['video_bucket']
36 ext = info['jsplayer']['video_extension']
37 video_url = compat_urlparse.urljoin(bucket, doc + '-SD.' + ext)
38
39 return {
40 '_type': 'video',
41 'id': info['slideshow']['id'],
42 'title': info['slideshow']['title'],
43 'ext': ext,
44 'url': video_url,
45 'thumbnail': info['slideshow']['pin_image_url'],
46 'description': self._og_search_description(webpage),
47 }