simpleeval.py 文件源码

def __init__(self, operators=None, functions=None, names=None):
        super(EvalWithCompoundTypes, self).__init__(operators, functions, names)

        self.functions.update(
            list=list,
            tuple=tuple,
            dict=dict,
            set=set)

        self.nodes.update({
            ast.Dict: self._eval_dict,
            ast.Tuple: self._eval_tuple,
            ast.List: self._eval_list,
            ast.Set: self._eval_set
        })