pre-order.py

import requests
import time
import threading

payload = {  
    'u_name': 'ken', 
    'email': 'kuanying@tradeserv.com', 
    'mobile': '0999000000', 
    'num1': '9999', 
    'o_num':'9999' 
}

count = 0
lock = threading.Lock();
start = time.time()

def order(delay):
    global payload, count, lock, start

    while True:
        r = requests.post(
                r'http://www.kizipad.com/pre-buy_ok.php', 
                data = payload)
        elapsed = time.time() - start
        
        with lock:
            count += 1
            print('rps: %.4f\ttotal: %d requests' % 
                    (float(count)/elapsed, count))
            
        time.sleep(delay)
    # print('bye');

for i in range(10):
    t = threading.Thread(target=order, args=(0.001,))
    t.start()

# results:
# 17:51:02 ken@ken-mba:test_website$ python ./pre-order.py 
# rps: 0.0000 total: 0 requests
# rps: 0.4975 total: 1 requests
# rps: 0.9921 total: 2 requests
# rps: 1.4809 total: 3 requests
# rps: 1.9723 total: 4 requests
# rps: 2.4565 total: 5 requests
# rps: 2.8763 total: 6 requests
# rps: 3.2856 total: 7 requests
# rps: 3.7461 total: 8 requests
# rps: 3.8566 total: 9 requests
# rps: 4.2805 total: 10 requests