监护进程：如果非正常退出自动，重新拉起

supervisor1.py

#!/usr/bin/env python3
import subprocess as sp
from datetime import datetime

import sys

lasttime = datetime.now()

cnt = 0

argv = sys.argv[1:]

p = sp.run(argv)

while(True):
    cnt += 1
    print(f'重启次数：{cnt}')

    if p.returncode == 0:
        exit(0)

    if cnt%5 == 0:
        now = datetime.now()
        delta = now - lasttime
        if delta.seconds < 10:
            print('频繁重启，不再守护')
            exit(5)
        lasttime = now
    
    p = sp.run(argv)



'''
#### dev
which env
chmod +x supervisor1.py
cd .
python3 supervisor1.py ls -alh
./supervisor1.py curl ba
./supervisor1.py sleep 1000
'''