code: def write(self, *args, **kwargs):
          
  
          self.progress_status()
  
          # Check abortes state and raise StopIteration if aborted
          if self.aborted:
              statustext = _("File saving aborted.")
              post_command_event(self.main_window, self.main_window.StatusBarMsg,
                                 text=statustext)
              return False
  
          return self.parent_cls.write(self, *args, **kwargs)
docs: Write that shows progress in statusbar for each <freq> cells