Re-launches a process if it dies

procmon.py

# Process Monitor
#
# Re-launches a process if it dies.
#
# Public Domain
#   http://en.wikipedia.org/wiki/Public_domain
# Written by 
#   Atif Aziz, http://www.raboof.com
# Adapted from
#   http://bartdesmet.net/blogs/bart/archive/2006/08/30/4366.aspx
#
# NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.

import sys
from System import Console
from System.Diagnostics import Process, ProcessStartInfo

def launch(binpath, args):    
    psi = ProcessStartInfo(FileName = binpath, Arguments = args)
    proc = Process(StartInfo = psi, UseShellExecute = False, EnableRaisingEvents = True)
    def onexit(sender, event_args):
        print 'Process %d stopped. Re-starting...' % proc.Id
        launch(binpath, args)
    proc.Exited += onexit
    proc.Start()
    print 'Process %d started' % proc.Id

def main(args):
    if not args:
        raise Exception('Missing binpath to executable.')
    launch(args[0], ' '.join(['"%s"' % arg for arg in args[1:]]))
    Console.ReadLine()
    
if __name__ == '__main__':
    main(sys.argv[1:])