Added an IE for gamespot. Although gamespot allows downloading but it is only available to registered users. With this IE no registration is required.

youtube_dl/extractor/__init__.py

@@ -15,6 +15,7 @@ from .escapist import EscapistIE
 from .facebook import FacebookIE
 from .flickr import FlickrIE
 from .funnyordie import FunnyOrDieIE
+from .gamespot import GameSpotIE
 from .gametrailers import GametrailersIE
 from .generic import GenericIE
 from .googleplus import GooglePlusIE
@@ -140,6 +141,7 @@ def gen_extractors():
         WimpIE(),
         HotNewHipHopIE(),
         AUEngineIE(),
+        GameSpotIE(),
         GenericIE()
     ]
 

youtube_dl/extractor/gamespot.py

@@ -0,0 +1,34 @@
+import re
+
+from .common import InfoExtractor
+
+
+class GameSpotIE(InfoExtractor):
+    _VALID_URL = r'(?:http://)?(?:www\.)?gamespot\.com/([^/]+)/videos/([^/]+)-([^/d]+)/'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+        video_id = mobj.group(3).split("-")[-1]
+        webpage = self._download_webpage(url, video_id)
+        title = self._search_regex(r'<title>(.+?)</title>',
+                webpage, 'video title').replace('- GameSpot.com','')
+        upload_date = self._search_regex(r"'publish_date':'([^/d]+)','edid'",
+                webpage, 'upload date')
+        description = self._search_regex(r'<meta property="og:description" content="(.+?)" />',
+                webpage, 'video Description')
+        info_url = "http://www.gamespot.com/pages/video_player/xml.php?id="+str(video_id)
+        info_webpage = self._download_webpage(info_url, video_id , "Downloading info webpage")
+        final_url = self._search_regex(r"<URI>(.+?)</URI>",
+                info_webpage, 'download url')
+        thumbnail_url = self._search_regex(r'<screenGrabURI allowScaling="1" maintainAspectRatio="1">(.+?)</screenGrabURI>',
+                info_webpage, 'download url')
+        ext = final_url.split('.')[-1]
+        return [{
+            'id'          : video_id,
+            'url'         : final_url,
+            'ext'         : ext,
+            'title'       : title,
+            'thumbnail'   : thumbnail_url,
+            'upload_date' : upload_date,
+            'description' : description,
+        }]