Tornado high concurrency Processing Method Instance code, tornado Processing Method

Tornado high concurrency Processing Method Instance code, tornado Processing Method

This article mainly shares an example of Tornado high concurrency processing method, which is as follows:

#! /Bin/env python #-*-coding: UTF-8-*-import tornado. httpserverimport tornado. ioloopimport tornado. optionsimport tornado. webimport tornado. genfrom tornado. concurrent import run_on_executorfrom concurrent. futures import ThreadPoolExecutorimport timefrom tornado. options import define, optionsdefine ("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): # If the asynchronous call you execute will return a value that will be called again, this can be done (just for demonstration). Otherwise, yield will do res = yield self directly. sleep () self. write ("when I sleep % 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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