test_site.py 文件源码

def tearDown(self):
        """Restore sys.path"""
        sys.path[:] = self.sys_path
        site.USER_BASE = self.old_base
        site.USER_SITE = self.old_site
        site.PREFIXES = self.old_prefixes
        sysconfig._CONFIG_VARS = self.original_vars
        sysconfig._CONFIG_VARS.clear()
        sysconfig._CONFIG_VARS.update(self.old_vars)