Python中关于flask部署后并发测试的示例代码

import threading, time, requests
url = ""total = 0
suc = 0
fail = 0
exception = 0
maxtime=0
mintime=100gt3=0
lt3=0class RequestThread(threading.Thread):def __init__(self, thread_name): 
 threading.Thread.__init__(self) 
 self.test_count = 0def run(self):
 self.test_performace()def test_performace(self): global totalglobal sucglobal failglobal exceptionglobal gt3global lt3try: 
 st = time.time() 
 conn = requests.get(url)
 res = conn.status_codeif res== 200:
 total+=1suc+=1else:
 total+=1fail+=1time_span = time.time()-st print ('%s:%f
'%(self.name,time_span) )
 self.maxtime(time_span) 
 self.mintime(time_span) if time_span>3:
 gt3+=1else:
 lt3+=1except Exception as e: print (e )
 total+=1exception+=1def maxtime(self,ts): global maxtimeprint (ts)if ts>maxtime:
 maxtime=tsdef mintime(self,ts): global mintimeif ts<mintime:
 mintime=tsprint ('===========请求开始===========' )
start_time = time.time()
thread_count = 100i = 0 
while i <= thread_count: 
 t = RequestThread("线程：" + str(i))
 t.start() 
 i += 1 t=0while total<thread_count|t>20:print ("总数:%d,成功数:%d,失败:%d,异常:%d
"%(total,suc,fail,exception) )print (url)
 t+=1time.sleep(1)print ('===========task end===========')print ("总数:%d,成功:%d,失败:%d,异常:%d"%(total,suc,fail,exception))print ('响应最大时间:',maxtime)print ('响应最小时间',mintime)print ('大于3秒的响应:%d,占比:%0.2f'%(gt3,float(gt3)/total))print ('小于3秒:%d,占比:%0.2f'%(lt3,float(lt3)/total))