new_contents: """ Simphony engine module
  
  This module is dynamicaly populated at import with the
  registered plugins modules. Plugins modules need to be
  registered at the 'simphony.engine' entry point.
  
  
  """
  
  
  def load_engine_extentions():
      """ Discover and load engine extension modules.
  
      """
      from stevedore import extension
      mgr = extension.ExtensionManager(
          namespace='simphony.engine',
          invoke_on_load=False)
      return {extension.name: extension.plugin for extension in mgr.extensions}
  
  
  # Populate the module namespace
  globals().update(load_engine_extentions())
  
  # cleanup
  del load_engine_extentions
  
subject: add dynamically populated engine module