一、文件目录格式

二、代码

1.conf.__init__.py

import importlibimport osfrom conf import gsettingsclass Settings(object):    def __init__(self):        #先加载全局配置        for item in dir(gsettings):            if item.isupper():                k=item                v=getattr(gsettings,k)                #给对象设置键值对                setattr(self,k,v)        #加载用户settings        setting_path=os.environ.get("SETTING")        settings_module=importlib.import_module(setting_path)        for s in dir(settings_module):            if s.isupper():                k=s                v=getattr(settings_module,k)                #给对象设置键值对                setattr(self,k,v)settings=Settings()

2.gsettings.py

NAME='from system settings'

3.settings.py

NAME="from customer settings"

4.start.py

import os,sysBASE_DIR=os.path.dirname(__file__)sys.path.append(BASE_DIR)# 设置一个全局的键值对os.environ.setdefault('SETTING','lib.settings')from  conf import settingsprint(settings.NAME)