PyQt 文件 错 误 处 理 的 方 法

    error = None
    fh = None
    try:
    	# open file and read data
    except (IOError, OSError) as e:
    	error = e
    finally:
    	if fh is not None:
    		fh.close()
    	if error is not None:
    		return False, error
    	return True, "Success"
    
    
      
      
      
      
      
      
      
      
      
      
      
      
    

    ok, msg = load(args)
    if not ok:
    	QMessageBox.warning(self, "File Error", msg)
    
    
      
      
      
    

    exception = None