~facundo/encuentro/trunk

from __future__ import unicode_literals

 

import re

import json

 

from .common import InfoExtractor

from ..compat import (

    compat_urlparse,

)

from ..utils import (

    ExtractorError,

)

 

 

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 = 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,

        }