一个接口思路

utils\message

base.py

class MsgBase(object):
    def __init__(self):
        pass
    def send(self):
        raise NotImplementedError('必须实现send方法')

email.py

from .base import MsgBase
class Email(MsgBase):
    """初始化相关"""
    def __init__(self):
        """相关信息初始化"""
        self.username = 'zh'
        self.password = '123'
    def send(self,msg):
        """发送"""
        pass

wechart.py

from .base import MsgBase
class Wechart(MsgBase):
    """初始化相关"""
    def __init__(self):
        """相关信息初始化"""
        self.username = 'zh'
        self.password = '123'
    def send(self,msg):
        """发送"""
        pass

__init__.py

import utils.settings
import importlib
def send_msg(msg):
    for path in utils.settings.MSG_LIST:
        m,c = path.rsplit(".",maxsplit=1)
        md = importlib.import_module(m)
        cls = getattr(md,c)()
        cls.send(msg)

setting.py

MSG_LIST = [
    'utils.message.email.Email',
    'utils.message.wechart.Wechart'
]

主逻辑.py

from utils.message import send_msg

def xxx(self):
    send_msg('....')