1.py

import re
import requests
import time

uname = 'test'

def k():
    s = requests.session()
    r=s.get('http://apple.cargomart.cn/index.php?m=Index&a=go&id=34081&from=groupmessage&isappinstalled=0')
    a,b,fromhash =re.findall(u'(\d+)\+(\d+)=.+?<input type="hidden" name="formhash" value="(.+?)">',r.content,re.S)[0]
    a=int(a)
    b=int(b)
    c=a+b
    r=s.get('http://apple.cargomart.cn/index.php?m=Index&a=kanjia&id=tom_kanjia&mod=ajax&act=kanjia&kid=1&uid=34081&name=%s&num_sun=63&formhash=%s&openid=&num_a=%s&num_b=%s&num_count=%s'%(uname,fromhash,a,b,c))
    r_dict =  r.json()
    if r_dict['status'] == 200:
        print u'-%s'%r_dict['price']

while True:
    k()
    time.sleep(1)