Python运行时服务¶
本章里描述的模块提供了和Python解释器及其环境交互相关的广泛服务。以下是综述:
sys
--- System-specific parameters and functionssysconfig
--- Provide access to Python's configuration informationbuiltins
--- 内建对象__main__
—— 顶层脚本环境warnings
--- Warning controldataclasses
--- Data Classescontextlib
--- Utilities forwith
-statement contextsabc
—— 抽象基类atexit
--- 退出处理器traceback
--- Print or retrieve a stack traceback__future__
—— Future 语句定义gc
--- 垃圾回收器接口inspect
--- Inspect live objectssite
--- Site-specific configuration hook