python性能测试脚本

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下面是我写的一个性能测试脚本,脚本中运行出来的response received的时间比用httpClient跑出来的正常时间要长,自认为是读取文件的时候耗费了不少时间,不知道该怎么优化,求指点

1. 

[代码]http_post.py    


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1'''
2Created on 2013-4-16
3
4
5@author: zdh
6
7
8create project: multimech-newproject my_project
9run test: multimech-run my_project
10'''
11import httplib
12import urllib
13import time
14import json
15
16
17class Transaction(object):
18        
19    def __init__(self):
20        self.custom_timers = {}
21
22
23    def run(self):
24        conn = httplib.HTTPConnection("localhost:8080")
25        headers = {"Content-type": "application/json"} #application/x-www-form-urlencoded,"Aceept":"text/plain"
26        params = ({"bindHyCardInfo":{"mobileNo":"1881026xxxx","userId":"2","hYCardno":line,"bankCardNo":"622xxxxxxxxxxxxx","ip":"127.0.0.1"},"header":{"version":"1.0.1","from":"1000","to":"2000","tid":line,"time":"12312","token":"SEW342WEER2342","ext":""}})
27        start = time.time()
28        conn.request("POST", "/core-oper/rest/bindHyCard", json.JSONEncoder().encode(params), headers)
29        response = conn.getresponse()
30        response_time = time.time()
31        data = response.read()
32        print data
33        conn.close()
34        transfer_time = time.time()
35        self.custom_timers['response received'] = response_time - start
36        self.custom_timers['content transferred'] = transfer_time - start
37        
38
39
40if __name__ == '__main__':
41    
42    file = open("E://card.txt")
43    while 1:
44        lines = file.readlines()
45        if not lines:
46            break
47        for line in lines:
48            line = line.strip('\n')
49            trans = Transaction()
50            trans.run()
51            for timer in ('response received', 'content transferred'):
52                print '%s: %.5f secs' % (timer, trans.custom_timers[timer])
53    file.close()
54

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