Add forbidden() convenience method to core View class

tailbone/views/core.py

@@ -72,6 +72,12 @@ class View(object):
         """
         return getattr(self.request, 'rattail_config', None)
 
+    def forbidden(self):
+        """
+        Convenience method, to raise a HTTP 403 Forbidden exception.
+        """
+        return httpexceptions.HTTPForbidden()
+
     def notfound(self):
         return httpexceptions.HTTPNotFound()