针对后端常驻内存的程序 ： 检查是否有对应进程 没有的话进行启动

import psutil,pdb
import subprocess

def get_process_id(process_name):

    return 
def check_and_start_process(process_name, start_command):
    ss=psutil.process_iter()
    
    for proc in psutil.process_iter():
        # pdb.set_trace()
        # print(proc.pid,proc.cmdline())
        if process_name in proc.cmdline():
            print(f"Process '{process_name}' is already running.")
            return

    print(f"Process '{process_name}' is not running. Starting it...")
    subprocess.Popen(start_command, shell=True)

# 要检测的进程名称
process_name = '*****.py'


# 启动进程的命令
start_command = 'nohup **.py >/dev/null 2>&1 &'

check_and_start_process(process_name, start_command)