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56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
from __future__ import unicode_literals
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import re
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import json
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from .common import InfoExtractor
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from ..compat import (
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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get_element_by_id,
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)
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class SlideshareIE(InfoExtractor):
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_VALID_URL = r'https?://www\.slideshare\.net/[^/]+?/(?P<title>.+?)($|\?)'
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_TEST = {
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'url': 'http://www.slideshare.net/Dataversity/keynote-presentation-managing-scale-and-complexity',
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'info_dict': {
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'id': '25665706',
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'ext': 'mp4',
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'title': 'Managing Scale and Complexity',
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'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.',
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},
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}
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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page_title = mobj.group('title')
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webpage = self._download_webpage(url, page_title)
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slideshare_obj = self._search_regex(
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r'\$\.extend\(slideshare_object,\s*(\{.*?\})\);',
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webpage, 'slideshare object')
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info = json.loads(slideshare_obj)
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if info['slideshow']['type'] != 'video':
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raise ExtractorError('Webpage type is "%s": only video extraction is supported for Slideshare' % info['slideshow']['type'], expected=True)
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doc = info['doc']
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bucket = info['jsplayer']['video_bucket']
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ext = info['jsplayer']['video_extension']
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video_url = compat_urlparse.urljoin(bucket, doc + '-SD.' + ext)
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description = get_element_by_id('slideshow-description-paragraph', webpage) or self._html_search_regex(
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r'(?s)<p[^>]+itemprop="description"[^>]*>(.+?)</p>', webpage,
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'description', fatal=False)
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return {
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'_type': 'video',
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'id': info['slideshow']['id'],
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'title': info['slideshow']['title'],
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'ext': ext,
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'url': video_url,
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'thumbnail': info['slideshow']['pin_image_url'],
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'description': description.strip() if description else None,
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}
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