code: def set_processing_message(self, message, warning=True):
          
  
          if not self.__is_processing:
              warning and LOGGER.warning(
                  "!> {0} | Engine not processing, 'set_processing_message' request has been ignored!".format(
                      self.__class__.__name__))
              return False
  
          LOGGER.debug("> Setting processing message!")
  
          self.Application_Progress_Status_processing.Processing_label.setText(message)
          self.process_events()
          return True
docs: Sets the processing operation message.
  
          :param message: Operation description.
          :type message: unicode
          :param warning: Emit warning message.
          :type warning: int
          :return: Method success.
          :rtype: bool