__dict__ 方法

class MainHandler:
    def __init__(self):
        self.host = "(.*)"
        self.ip =  "^(25[0-5]|2[0-4]d|[0-1]?d?d)(.(25[0-5]|2[0-4]d|[0-1]?d?d)){3}$"
        self.port = "(d+)"
        self.phone =  "^1[3|4|5|8][0-9]d{8}$"
        self.file = "^(w+.pdf)|(w+.mp3)|(w+.py)$"

    def chek(self):
        for key,val in self.__dict__.items():
            print(key,'-----',val)

obj = MainHandler()

obj.chek()