run.py 文件源码

def exit():
    """Exit subprocess, possibly after first deleting sys.exitfunc

    If config-main.cfg/.def 'General' 'delete-exitfunc' is True, then any
    sys.exitfunc will be removed before exiting.  (VPython support)

    """
    if no_exitfunc:
        try:
            del sys.exitfunc
        except AttributeError:
            pass
    sys.exit(0)