Fixed #16842 -- Modified the RedirectView to correctly handle query strings with percent symbols. Thanks, accuser, jamey@minilop.net and Claude Paroz.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17625 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/views/generic/base.py

@@ -139,12 +139,11 @@ class RedirectView(View):
         are provided as kwargs to this method.
         """
         if self.url:
+            url = self.url % kwargs
             args = self.request.META.get('QUERY_STRING', '')
             if args and self.query_string:
-                url = "%s?%s" % (self.url, args)
-            else:
-                url = self.url
-            return url % kwargs
+                url = "%s?%s" % (url, args)
+            return url
         else:
             return None