code: def stop_processing(self, warning=True):
          
  
          if not self.__is_processing:
              warning and LOGGER.warning(
                  "!> {0} | Engine is not processing, 'stop_processing' request has been ignored!".format(
                      self.__class__.__name__))
              return False
  
          LOGGER.debug("> Stopping processing operation!")
  
          self.__is_processing = False
          self.Application_Progress_Status_processing.Processing_label.setText(QString())
          self.Application_Progress_Status_processing.Processing_progressBar.setRange(0, 100)
          self.Application_Progress_Status_processing.Processing_progressBar.setValue(0)
          self.Application_Progress_Status_processing.hide()
          return True
docs: Registers the end of a processing operation.
  
          :param warning: Emit warning message.
          :type warning: int
          :return: Method success.
          :rtype: bool