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youtube-dl/youtube_dl/extractor/slideshare.py

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import re
import json
from .common import InfoExtractor
from ..utils import (
compat_urlparse,
ExtractorError,
)
class SlideshareIE(InfoExtractor):
_VALID_URL = r'https?://www\.slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
_TEST = {
u'url': u'http://www.slideshare.net/Dataversity/keynote-presentation-managing-scale-and-complexity',
u'file': u'25665706.mp4',
u'info_dict': {
u'title': u'Managing Scale and Complexity',
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',
},
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
page_title = mobj.group('title')
webpage = self._download_webpage(url, page_title)
slideshare_obj = self._search_regex(
r'var slideshare_object = ({.*?}); var user_info =',
webpage, u'slideshare object')
info = json.loads(slideshare_obj)
if info['slideshow']['type'] != u'video':
raise ExtractorError(u'Webpage type is "%s": only video extraction is supported for Slideshare' % info['slideshow']['type'], expected=True)
doc = info['doc']
bucket = info['jsplayer']['video_bucket']
ext = info['jsplayer']['video_extension']
video_url = compat_urlparse.urljoin(bucket, doc + '-SD.' + ext)
return {
'_type': 'video',
'id': info['slideshow']['id'],
'title': info['slideshow']['title'],
'ext': ext,
'url': video_url,
'thumbnail': info['slideshow']['pin_image_url'],
'description': self._og_search_description(webpage),
}