手写settings配置文件
-有两套配置文件,默认配置,用户的配置
-如果某个字段,用户配置了,就用用户的,如果没配置,就用默认的
启动—test.py
import os os.environ.setdefault('user_setting', 'usersetting.setting') from conf import settings print(settings.DEBUG)
conf—__init__.py
import os import importlib from conf import globalsetting class Setting: def __init__(self): user_setting = os.environ.get('user_setting') for setting in dir(globalsetting): if setting.isupper(): setattr(self, setting, getattr(globalsetting, setting)) mod = importlib.import_module(user_setting) for setting in dir(mod): if setting.isupper(): setattr(self, setting, getattr(mod, setting)) settings = Setting()