test_site.py 文件源码

def setUp(self):
        """Save a copy of sys.path"""
        self.sys_path = sys.path[:]
        self.old_base = site.USER_BASE
        self.old_site = site.USER_SITE
        self.old_prefixes = site.PREFIXES
        self.old_vars = copy(sysconfig._CONFIG_VARS)