#!/bin/env python3

import os
from time import sleep,ctime
#import pty
import sys

pid1 = os.fork()
if pid1 == 0:
    pid2 = os.fork()
    if pid2 == 0:
        os.setsid()
        os.openpty()
        #pty.openpty()
        filehandle = open('testlog1', 'w')
        print(sys.stdout.isatty(), file=filehandle)
        while True:
            print(ctime(), file=filehandle)
            filehandle.flush()
            sleep(300)