import httplib  import urllib  import time  import json      class Transaction(object):                  def __init__(self):          self.custom_timers = {}          def run(self):          conn = httplib.HTTPConnection("localhost:8080")          headers = {"Content-type": "application/json"} #application/x-www-form-urlencoded,"Aceept":"text/plain"          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":""}})          start = time.time()          conn.request("POST", "/core-oper/rest/bindHyCard", json.JSONEncoder().encode(params), headers)          response = conn.getresponse()          response_time = time.time()          data = response.read()          print data          conn.close()          transfer_time = time.time()          self.custom_timers['response received'] = response_time - start          self.custom_timers['content transferred'] = transfer_time - start              if __name__ == '__main__':              file = open("E://card.txt")      while 1:          lines = file.readlines()          if not lines:              break          for line in lines:              line = line.strip('\n')              trans = Transaction()              trans.run()              for timer in ('response received', 'content transferred'):                  print '%s: %.5f secs' % (timer, trans.custom_timers[timer])      file.close()