python webapp2嵌套路径前缀路由

是否有一种简单的方法来构建webapp2的url，这种方法允许下面这样的结构？我看不到从父级传递PathPrefixRoute的方法，但是像PathPrefixRoute“/v1”、[PathPrefixRoute'$1/app1'之类的东西会很酷

urls = [
    PathPrefixRoute('/v1', [
        PathPrefixRoute('/app1', [  
            # /v1/app1/index
            Route('/index', 'v1.app1.index.Main')
        ]),
        PathPrefixRoute('/app2', [  
            # /v1/app2/index
            Route('/index', 'v1.app2.index.Main')
        ])
    ]),
    PathPrefixRoute('/v2', [
        PathPrefixRoute('/app1', [
            # /v2/app1/index
            Route('/index', 'v2.app1.index.Main')
        ])
    ])
]

application = webapp2.WSGIApplication(routes=urls)

---

最后，我在uwsgi上编写了自己的定制服务器。我使用的路由机制已粘贴在下面，但完整的应用程序是318行，可以处理100个RPS，这是我测试的全部内容，但感觉它可以在基本的1核服务器上处理1000个RPS

请随意评论好的、坏的和丑陋的想法

class Static:
    def __init__(self, s): self._s = s
    def __str__(self): return self._s

SITES = {
    '(127.0.0.1|localhost)': {
        '/': 'default.index.Home'
    },
    '(example.com)': {
        '/': 'example.index.Home',
        '/static': Static('example'),
        '/console': {
            '/': 'example.console.Home',
            '/login': 'example.console.Login'
        }
    }
}

def get_location(self):
    http_host = self.env.get('HTTP_HOST', '').split(':')[0]  # host:port
    if not http_host: raise HttpException(404, "Empty Site")
    path_info = self.env.get('PATH_INFO')
    if not path_info: raise HttpException(404, "Empty Path")
    for site in SITES:
        if re.match(site, http_host, re.I):
            paths = SITES[site]
            parts = path_info.split('/')[1:]  # first is always blank
            for part in parts:
                p = paths.copy()
                for path in p:
                    if re.match(path + '$', '/' + part, re.I):
                        if isinstance(p[path], basestring):
                            return p[path]
                        paths = p[path]
                        break
                    paths = None
                if not paths: break
            raise HttpException(404, "Unknown Path")
    raise HttpException(404, "Unknown Site")