#base.py

#####方法一######

from abc import ABCMeta

from abc import abstractmethod

class BaseMessage(metaclass=ABCMeta):

    @abstractmethod

    def send(self,subject,body,to,name):

        pass

########方法二#######

class BaseMessage(object):

    def send(self, subject, body, to, name):

        raise NotImplementedError('未实现send方法')

#######dingding.py#########

from .base import BaseMessage

class DingDing(BaseMessage):

    def __init__(self):

        pass

    def send(self,subject,body,to,name):

        print('钉钉消息发送成功')