import psutil
import subprocess
import time
import datetime

search = "peerblock.exe"
delay_seconds = 30

print("peerblock python script")

while(1):
    found = False
    print("searching ...")
    for proc in psutil.process_iter():
        try:
            pinfo = proc.as_dict(attrs=['pid', 'name', 'username'])
        except psutil.NoSuchProcess:
            pass
        else:
            if pinfo["name"] == search:
                found = True
                print("peerblock is running")

    if(not(found)):
        try:
            print("running peerblock...", datetime.datetime.now())
            subprocess.call([r"C:\Program Files\PeerBlock\peerblock.exe"])
        except ErrorType as e:
            print(e)

    print("going to sleep")
    time.sleep(delay_seconds)