code: def registration(uri):
      
  
      # log the URI that is used to access the Stack-In-A-Box services
      logger.debug('Registering Stack-In-A-Box at {0} under Python Responses'
                   .format(uri))
      # tell Stack-In-A-Box what URI to match with
      StackInABox.update_uri(uri)
  
      # Build the regex for the URI and register all HTTP verbs
      # with Responses
      regex = re.compile('(http)?s?(://)?{0}:?(\d+)?/'.format(uri),
                         re.I)
      METHODS = [
          responses.DELETE,
          responses.GET,
          responses.HEAD,
          responses.OPTIONS,
          responses.PATCH,
          responses.POST,
          responses.PUT
      ]
      for method in METHODS:
          responses.add_callback(method,
                                 regex,
                                 callback=responses_callback)
docs: Responses handler registration.
  
      Registers a handler for a given URI with Responses
      so that it can be intercepted and handed to
      Stack-In-A-Box.
  
      :param uri: URI used for the base of the HTTP requests
  
      :returns: n/a