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测试代码:
from datetime import date
import tornado.escape
import tornado.ioloop
import tornado.web
class VersionHandler(tornado.web.RequestHandler):
def get(self):
response = { 'version': '3.5.1',
'last_build': date.today().isoformat() }
self.write(response)
class GetGameByIdHandler(tornado.web.RequestHandler):
def get(self, id):
response = { 'id': int(id),
'name': 'Crazy Game',
'release_date': date.today().isoformat() }
self.write(response)
application = tornado.web.Application([
(r"/getgamebyid/([0-9]+)", GetGameByIdHandler),
(r"/version", VersionHandler)
])
if name == "main":
application.listen(8888)
tornado.ioloop.IOLoop.instance().start()
python-re:
[[email protected] ~]$ webbench -c 1000 -t 60 -2 --get http://192.168.1.108:8888/getgamebyid/1
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://192.168.1.108:8888/getgamebyid/1 (using HTTP/1.1)
1000 clients, running 60 sec.
Speed=80840 pages/min, 349074 bytes/sec.
Requests: 80247 susceed, 593 failed.
python-re2
Benchmarking: GET http://192.168.1.108:8888/getgamebyid/1 (using HTTP/1.1)
1000 clients, running 60 sec.
Speed=81921 pages/min, 0 bytes/sec.
Requests: 81430 susceed, 491 failed.
看起来能得得到小幅度的性能提升，但是 RE2 没有 groupindex 这个对象，会报错，估计得分析一下 pythgon-re2 的源码源码：
File "/usr/lib64/python2.7/site-packages/tornado/web.py", line 1994, in _find_handler
if spec.regex.groupindex:
AttributeError: 're2.Pattern' object has no attribute 'groupindex'
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