1 from __future__ import unicode_literals
2
3 import re
4 import json
5
6 from .common import InfoExtractor
7 from ..compat import (
8 compat_urlparse,
9 )
10 from ..utils import (
11 ExtractorError,
12 get_element_by_id,
13 )
14
15
16 class SlideshareIE(InfoExtractor):
17 _VALID_URL = r'https?://(?:www\.)?slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
18
19 _TEST = {
20 'url': 'http://www.slideshare.net/Dataversity/keynote-presentation-managing-scale-and-complexity',
21 'info_dict': {
22 'id': '25665706',
23 'ext': 'mp4',
24 'title': 'Managing Scale and Complexity',
25 'description': '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.',
26 },
27 }
28
29 def _real_extract(self, url):
30 mobj = re.match(self._VALID_URL, url)
31 page_title = mobj.group('title')
32 webpage = self._download_webpage(url, page_title)
33 slideshare_obj = self._search_regex(
34 r'\$\.extend\(slideshare_object,\s*(\{.*?\})\);',
35 webpage, 'slideshare object')
36 info = json.loads(slideshare_obj)
37 if info['slideshow']['type'] != 'video':
38 raise ExtractorError('Webpage type is "%s": only video extraction is supported for Slideshare' % info['slideshow']['type'], expected=True)
39
40 doc = info['doc']
41 bucket = info['jsplayer']['video_bucket']
42 ext = info['jsplayer']['video_extension']
43 video_url = compat_urlparse.urljoin(bucket, doc + '-SD.' + ext)
44 description = get_element_by_id('slideshow-description-paragraph', webpage) or self._html_search_regex(
45 r'(?s)<p[^>]+itemprop="description"[^>]*>(.+?)</p>', webpage,
46 'description', fatal=False)
47
48 return {
49 '_type': 'video',
50 'id': info['slideshow']['id'],
51 'title': info['slideshow']['title'],
52 'ext': ext,
53 'url': video_url,
54 'thumbnail': info['slideshow']['pin_image_url'],
55 'description': description.strip() if description else None,
56 }
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