Node.py 文件源码

def __getattr__(self, attr):
        """Return the terminal with the given name"""
        if attr not in self.terminals:
            raise AttributeError(attr)
        else:
            import traceback
            traceback.print_stack()
            print("Warning: use of node.terminalName is deprecated; use node['terminalName'] instead.")
            return self.terminals[attr]