#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2009 Doug Hellmann All rights reserved.
     #
     """
     """
     #end_pymotw_header
     
     import sys
     import os
     
     base_dir = os.path.dirname(__file__) or '.'
     print 'Base directory:', base_dir
     
     # Insert the package_dir_a directory at the front of the path.
     package_dir_a = os.path.join(base_dir, 'package_dir_a')
     sys.path.insert(0, package_dir_a)
     
     # Import the example module
     import example
     print 'Imported example from:', example.__file__
     print '\t', example.DATA
     
     # Make package_dir_b the first directory in the search path
     package_dir_b = os.path.join(base_dir, 'package_dir_b')
     sys.path.insert(0, package_dir_b)
     
     # Reload the module to get the other version
     reload(example)
     print 'Reloaded example from:', example.__file__
     print '\t', example.DATA