抓取东方财富可转债数据JSON并转化为数组

import json
import time,datetime
import os
import requests
import re

session = requests.Session()
session.headers = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36'}
s1=session.get('http://data.eastmoney.com/kzz/')
a1=re.search("token=.*?&cmd",s1.text,flags=0)
token=a1.group(0).replace("token=","").replace("&cmd","")
time.sleep(0.1)
h1="http://dcfm.eastmoney.com/em_mutisvcexpandinterface/api/js/get?type=KZZ_LB2.0&token={0}&cmd=&st=STARTDATE&sr=-1&p=1&ps={1}&rt=52898794".format(token,"200")
s2=session.get(h1)
a2=re.search("\[.*?\]",s2.text,flags=0)
ar1=json.loads(a2.group(0))
ar2=[]
for q in ar1:
    arr1={"BONDCODE":q["BONDCODE"],"SNAME":q["SNAME"],"STARTDATE":q["STARTDATE"],"CORRESCODE":q["CORRESCODE"],"CORRESNAME":q["CORRESNAME"],"SWAPSCODE":q["SWAPSCODE"],"SECURITYSHORTNAME":q["SECURITYSHORTNAME"],"GDYX_STARTDATE":q["GDYX_STARTDATE"]}
    ar2.append(arr1)


print(len(ar2))