Python-сообщество

 import winreg
from winreg import *
import psutil
from tkinter import messagebox
import sys
error = 0
proc_path = ''
proc_name = ''
count_proc = 0
def autorun(no_dub = 0):
    global error
    global proc_path
    global proc_name
    global count_proc
   
    autorun = winreg.OpenKeyEx(HKEY_CURRENT_USER, r'Software\Microsoft\Windows\CurrentVersion\Run', 0, KEY_ALL_ACCESS)
    proc = psutil.Process()
    try:
        proc_path = proc.exe()
    except:
        error = 1
    try:
        proc_name = proc.name()
    except:
        error = 2
   
    if no_dub == 1:
        for proc in psutil.process_iter():
            if proc.name() == proc_name:
                count_proc += 1
    elif no_dub == 0:
        pass
    else:
        messagebox.showinfo("Autorun_error", '"dub" param unrecognized!')
    return error, no_dub, count_proc, proc_name
if proc_name != 'pythonw.exe':                
    if proc_path != '':
        winreg.SetValueEx(autorun, proc_name, 0, REG_SZ, proc_path)
    else:
        if error == 1:
            messagebox.showinfo("Autorun_error", "Can't detect EXE path")
        elif error == 2:
            messagebox.showinfo("Autorun_error", "Can't detect EXE name")
if count_proc > 1:
    try: # try - это на случай, если прога консольная, без tkinter GUI
        root.destroy()
    except:
        pass
    sys.exit()

 from autorun import autorun
autorun(no_dub = 1)

 if autorun(no_dub = 1)[2] > 2:
    root.destroy()
    sys.exit()

 count_proc = 0
 
if count_proc > 1:
    try: # try - это на случай, если прога консольная, без tkinter GUI
        root.destroy()
    except:
        pass
    sys.exit()

 global count_proc
if proc.name() == proc_name:
    count_proc += 1