# coding: utf-8
class Result(dict):
    def __init__(self):
        super(Result, self).__init__()
        self["code"] = 0
        self["message"] = ""
        self["data"] = None
    
    @property
    def success(self):
        return self["code"] >= 0

    @property
    def data(self):
        return self["data"]

    @property
    def message(self):
        return self["message"]
        
    @staticmethod
    def error(code = -1, message = ""):
        r = Result()
        r["code"] = code
        r["message"] = message
        return r

    @staticmethod
    def ok_data(data=None):
        r = Result()
        r["data"] = data
        return r
        
    @staticmethod
    def ok_msg(message):
        r = Result()
        r["message"] = message
        return r

    def append(self, k: str, v):
        self[k] = v
        return self