Add an extractor for Slideshare (closes #1400)

diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index fbe0b8cb7ad1693230fa87ccb5121e1047bf0652..bedb208fbecf771b25f40a7868cd5c2dd62a33d1 100644 (file)
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -75,6 +75,7 @@ from .roxwel import RoxwelIE
 from .rtlnow import RTLnowIE
 from .sina import SinaIE
 from .slashdot import SlashdotIE
 from .rtlnow import RTLnowIE
 from .sina import SinaIE
 from .slashdot import SlashdotIE

+from .slideshare import SlideshareIE

 from .sohu import SohuIE
 from .soundcloud import SoundcloudIE, SoundcloudSetIE
 from .spiegel import SpiegelIE
 from .sohu import SohuIE
 from .soundcloud import SoundcloudIE, SoundcloudSetIE
 from .spiegel import SpiegelIE

diff --git a/youtube_dl/extractor/slideshare.py b/youtube_dl/extractor/slideshare.py
new file mode 100644 (file)
index 0000000..afc3001
--- /dev/null
+++ b/youtube_dl/extractor/slideshare.py
@@ -0,0 +1,47 @@
+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),
+        }