Dotted path to the views in URL patterns is changed to a params parameter. This change makes the URL mapping from URL to View method in patterns generic where the base package path is taken from the params['module_package'] value to support module system of Melange where inherited View classes override the params['module_package'] value to specify their own View methods.

import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import pkg_resources
pkg_resources.require('WebOb')