f.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

from os import path
import subprocess
import time
import sys

def run(filename):
    """ Run Subprocess scripts and control them """
    process = subprocess.Popen(['python', filename], shell=False,
                                stdin=subprocess.PIPE, stdout=subprocess.PIPE)
    process.poll()
    return process

if __name__ == '__main__':
    filename = sys.argv[1]

    if not path.exists(filename):
        print 'File %s not exists' % (filename)
        sys.exit();

    process = run(filename)
    c = 0

    while True:
        returncode = process.wait()

        if returncode != None:
            process = run(filename)
            c+=1

        print "%s restarted %d times" % (filename, c)