tornado 用上装饰器路由，tornado路由,base.py 这个是改

tornado 用上装饰器路由，tornado路由,base.py 这个是改

base.py 这个是改造的全文

#!/usr/bin/env python# coding:utf-8"""基础模块, 扩展了 Tornado Web 服务器@author: tonyseek"""import tornado.webclass Application(tornado.web.Application):    """    Tornado 应用实例    """        def load_handler_module(self, handler_module, perfix = ".*$"):        """        从模块加载 RequestHandler            `handler_module` : 模块            `perfix` : url 前缀        """        # 判断是否是有效的 RequestHandler (是类且是 RequestHandler 的子类)        is_handler = lambda cls: isinstance(cls, type) \                     and issubclass(cls, RequestHandler)        # 判断是否拥有 url 规则        has_pattern = lambda cls: hasattr(cls, 'url_pattern') \                      and cls.url_pattern        handlers = []        # 迭代模块成员        for i in dir(handler_module):            cls = getattr(handler_module, i)            if is_handler(cls) and has_pattern(cls):                handlers.append((cls.url_pattern, cls))        self.add_handlers(perfix, handlers)    def _get_host_handlers(self, request):        """        覆盖父类方法, 一次获取所有可匹配的结果. 父类中该方法一次匹配成功就返回, 忽略后续        匹配结果. 现通过使用生成器, 如果一次匹配的结果不能使用可以继续匹配.        """        host = request.host.lower().split(':')[0]        # 使用生成器表达式而非列表推导式, 减少性能折扣        handlers = (i for p, h in self.handlers for i in h if p.match(host))        # Look for default host if not behind load balancer (for debugging)        if not handlers and "X-Real-Ip" not in request.headers:            handlers = [i for p, h in self.handlers for i in h if p.match(self.default_host)]        return handlersclass RequestHandler(tornado.web.RequestHandler):    url_pattern = Nonedef route(url_pattern):    """    路由装饰器, 只能装饰 RequestHandler 子类    """    def handler_wapper(cls):        assert(issubclass(cls, RequestHandler))        cls.url_pattern = url_pattern        return cls    return handler_wapper

main.py 使用装饰器路由

#!/usr/bin/env python# coding:utf-8import base@base.route('/')class Main(base.RequestHandler):    def get(self):        self.write("Hello World")@base.route('/(.*)')class Person(base.RequestHandler):    def get(self, name):        self.write(name)

run.py 装载改造过的模块，启动应用。无缝装载哦，去掉那句就卸载了哦～

#!/usr/bin/env python# coding:utf-8import tornado.ioloopimport baseimport mainapplication = base.Application()# 装载 Request Handler 模块application.load_handler_module(main)if __name__ == "__main__":    application.listen(8080)    tornado.ioloop.IOLoop.instance().start()