new_contents: # :coding: utf-8
  # :copyright: Copyright (c) 2013 Martin Pengelly-Phillips
  # :license: See LICENSE.txt.
  
  
  class Factory(object):
      '''Manage constructing widgets for schemas.'''
  
      def __call__(self, schema, options=None):
          '''Return an appropriate widget for *schema*.'''
  
subject: Add widget factory placeholder.