atset.py 文件源码

def from_json(json_data):
        if not isinstance(json_data["pos_list"], list):
            raise ReGraphError("pos_list field should contain a list")
        for el in json_data["pos_list"]:
            if not test_number(el):
                raise ReGraphError("{} is not a number".format(el))
        return convert(AtFinSet(set(sympify(json_data["pos_list"]))))