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from __future__ import unicode_literals
import re
import json
from .common import InfoExtractor
from ..compat import (
compat_urlparse,
)
from ..utils import (
ExtractorError,
get_element_by_id,
)
class SlideshareIE(InfoExtractor):
_VALID_URL = r'https?://(?:www\.)?slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
_TEST = {
'url': 'http://www.slideshare.net/Dataversity/keynote-presentation-managing-scale-and-complexity',
'info_dict': {
'id': '25665706',
'ext': 'mp4',
'title': 'Managing Scale and Complexity',
'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.',
},
}
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'\$\.extend\(.*?slideshare_object,\s*(\{.*?\})\);',
webpage, 'slideshare object')
info = json.loads(slideshare_obj)
if info['slideshow']['type'] != 'video':
raise ExtractorError('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)
description = get_element_by_id('slideshow-description-paragraph', webpage) or self._html_search_regex(
r'(?s)<p[^>]+itemprop="description"[^>]*>(.+?)</p>', webpage,
'description', fatal=False)
return {
'_type': 'video',
'id': info['slideshow']['id'],
'title': info['slideshow']['title'],
'ext': ext,
'url': video_url,
'thumbnail': info['slideshow']['pin_image_url'],
'description': description.strip() if description else None,
}
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