#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2009 Doug Hellmann All rights reserved.
     #
     """
     """
     #end_pymotw_header
     
     import abc
     from abc_base import PluginBase
     
     class IncompleteImplementation(PluginBase):
         
         def save(self, output, data):
             return output.write(data)
     
     PluginBase.register(IncompleteImplementation)
     
     if __name__ == '__main__':
         print 'Subclass:', issubclass(IncompleteImplementation, PluginBase)
         print 'Instance:', isinstance(IncompleteImplementation(), PluginBase)