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与客户端支持的HTTP请求头一致的变量.(也就是以"HTTP_"开头命名的变量.)这些变量是否出现都要与HTTP请求头中的变量保持一致. ............... WSGI ServerWSGI Serverimport tornado.wsgi import tornado.httpserver import tornado.ioloop def WSGIServer(port, application): container = tornado.wsgi.WSGIContainer(application) http_server = tornado.httpserver.HTTPServer(container) http_server.listen(port) tornado.ioloop.IOLoop.instance().start()洋葱核洋葱核def app(environ, start_response): status = '200 OK' response_headers = [ ('Content-type','text/plain'), ] start_response(status, response_headers) return ['Hello']1. environ 2. start_response 3. return ['xxxx']Request ParserRequest Parseryaro - Yet Another Request Object http://lukearno.com/projects/yaro/ 1. 简化environ的访问 environ['QUERY_STRING'] hl=zh-CN&source=hp&q=python&aq=f&aqi=&aql=&oq=&gs_rfai= -> req.query = { "hl":"zh-CN", "source":"hp", ....Request ParserRequest Parser2. 封装 start_response status = '200 OK' response_headers = [ ('Content-type','text/plain'), ] start_response(status, response_headers) return ['Hello'] -> from yaro import Yaro @Yaro def hello_world(req): return "Hello World!" 当然, 也被封装一些状态码 yaro.Request.redirect("/xxx/xxx/xxx") 301 status URL RouteURL RouteURL -> Python Function http://kanrss.com/at/cloudwu/t/1270561 -> mysite/ctrl/at/__init__.py @route_render_func def t(id=None): owner = request.owner ... URL RouteURL Route常用方式 正则匹配 application = tornado.web.Application([ (r"/", MainHandler), (r"/story/([0-9]+)", StoryHandler), ]) class StoryHandler(tornado.web.RequestHandler): def get(self, story_id): self.write("You requested the story " + story_id)Url Route -- 文件路径映射Url Route -- 文件路径映射http://mayoufour.googlecode.com/svn/trunk/mypylib/mypy/urlroute.py 创意衍生自 Quixote 查找映射的函数 = { 路径1 :{ 路径2:{ 模块名 : 函数名称 } } } "/at/cloudwu/t/1270561".split("") -> 'at', 'cloudwu', //被当作 at._access(id)函数的参数吃掉 't', '1270561', //被当作 at.t(id)函数的参数吃掉ModelModel 的 映射 CREATE TABLE `user` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `name` varbinary(24) NOT NULL, `url` varbinary(60) DEFAULT NULL, `ver` tinyint(3) unsigned NOT NULL DEFAULT '0', `state` tinyint(3) unsigned NOT NULL DEFAULT '40', PRIMARY KEY (`id`), UNIQUE KEY `url` (`url`), KEY `state` (`state`), KEY `name` (`name`) ) -> user.name , user.state ModelModel表的行为 ban_user -> 设置user.state + 删除user_session使其退出登录 表 与的 表 互动 table user <=> table user follow -> def follower_by_user_id(user_id): ....ControlControl1. 提交表单的数据效验 2. 从Model获取页面需要的数据 3. 权限不对的时候 给出错误提示 if not user.can_admin(group): G.error = "你没有权限管理该小组" -- 传递变量 --> 模板模板 %for i in items: ${i['link']} ${i['author']} ${format_rfc822_date(i['pubdate'])} ${i['link']} %endfor被遗忘缓存被遗忘缓存Model -> memcache -> Control 1.缓存id列表 mc_book_section_id_ordered_can_view = McCacheA("BookSectionIdOrderedCanView:%s") @mc_book_section_id_ordered_can_view("{id}") def book_section_id_ordered_can_view(id): book_list = book_section_ordered(id) return [ i.id for i in book_list if i.can_view ] 2.缓存对象 user_list = User.mc_get_list(user_id_list) 需要在有改动的时候手工清理被遗忘缓存被遗忘缓存Template -> memcache -> WSGI Server 页面局部的memcache缓存 <%def name="mycomp" cached="True" cache_timeout="300" cache_type="memcached"> other text 节省取数据 + 模板的开销 一般自动超时失效被遗忘缓存被遗忘缓存WSGI Server -> Nginx Proxy Cache -> ... server_name rss_group.kanrss.com; location ~ ^/(\d+)$ { proxy_pass http://kanrss/vgroup/$1/rss_feed; proxy_cache KFS; proxy_cache_valid 200 304 301 302 30m; proxy_cache_valid any 1m; proxy_cache_key "$host$request_uri"; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $remote_addr; } 比如 RSS (firefox会检查收藏夹中的rss更新 -> 压力不小) 比如 一些不经常变的Ajax响应(比如搜索的自动完成?)还没有说的...还没有说的...辅助开发 WEB前端优化 异步运行 长连接 OpenID .... ... .... 更多更多...更多更多...Profile?更多更多...更多更多...Debug?更多更多...更多更多...Auto Restart ?https://mayoufour.googlecode.com/svn/trunk/mypylib/mypy/reloader.py https://mayoufour.googlecode.com/svn/trunk/mypylib/mypy/reload_server.py 4242qu.com区找到给你的人null import sys sys.exit()