Check if the program "qbe-instance1.exe" is running, if not, launch it in 30 seconds.

from time import sleep
import os
import psutil

def check_qbe_running(qbe_exe_path):
    qbe_proc = "qbe-instance1.exe"

    if not qbe_exe_path.endswith('/'):
        qbe_exe_path += '/'

    qbe_exe = os.path.join(qbe_exe_path, qbe_proc)

    for proc in psutil.process_iter():
        if proc.name() == qbe_proc:
            return True

    print "QBE not running, wait for 30 seconds and launch QBE."
    sleep(30)
    os.system(qbe_exe)
    return False