'''

用户自定义的配置文件,settings.py

'''

USER = 'xiaoming'

PASSWORD = ''

用户自定义配置

'''

系统默认配置文件,global_settings.py

'''

TEL = ''

系统配置文件

'''用户自定义配置和系统默认配置文件的统一 config.py'''

import os

import importlib

from . import global_settings

class Settings(object):

    def __init__(self):

        # 默认配置文件

        for name in dir(global_settings):

            if name.isupper():

                value = getattr(global_settings,name)

                setattr(self,name,value)

        # 自定义配置文件

        settings_module = os.environ.get('USER_SETTINGS')

        if not settings_module:

            return

        # 导入模块

        m = importlib.import_module(settings_module)

        for name in dir(m):

            if name.isupper():

                value = getattr(m,name)

                setattr(self,name,value)

settings = Settings()

'''

start.py

使用变量

'''

import os

os.environ['USER_SETTINGS'] = 'config.settings'

if __name__ == '__main__':

    from lib.conf.config import settings

    print(settings.USER)