本文主要分享的是一则关于Tornado高并发处理方法的实例,具体如下:
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#!/bin/env python # -*- coding:utf-8 -*- import tornado.httpserver import tornado.ioloop import tornado.options import tornado.web import tornado.gen from tornado.concurrent import run_on_executor from concurrent.futures import ThreadPoolExecutor import time from tornado.options import define, options define( "port" , default = 8000 , help = "run on the given port" , type = int ) class SleepHandler(tornado.web.RequestHandler): executor = ThreadPoolExecutor( 2 ) @tornado .web.asynchronous @tornado .gen.coroutine def get( self ): # 假如你执行的异步会返回值被继续调用可以这样(只是为了演示),否则直接yield就行 res = yield self .sleep() self .write( "when i sleep %s s" % res) self .finish() @run_on_executor def sleep( self ): time.sleep( 5 ) return 5 class JustNowHandler(tornado.web.RequestHandler): def get( self ): self .write( "i hope just now see you" ) if __name__ = = "__main__" : tornado.options.parse_command_line() app = tornado.web.Application(handlers = [ (r "/sleep" , SleepHandler), (r "/justnow" , JustNowHandler)]) http_server = tornado.httpserver.HTTPServer(app) http_server.listen(options.port) tornado.ioloop.IOLoop.instance().start() |
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原文链接:http://blog.csdn.net/qq_28893679/article/details/69437496