Python script for using PAK unpacker

import sys
import os
import subprocess
import time

game_path_pak = r'D:\SteamLibrary\steamapps\common\Dead by Daylight\DeadByDaylight\Content\Paks'

if os.path.exists( game_path_pak ) is False:
	exit( 'Cant find pak folder' )

def pak_patch( path ):
	os.rename( path + '\\pakchunk0-WindowsNoEditor.pak',
				path + '\\pakchunk0-WindowsNoEditor.pak.bak1')

	os.rename( path + '\\pakchunk0-WindowsNoEditor.pak.bak',
				path + '\\pakchunk0-WindowsNoEditor.pak')

	os.rename( path + '\\pakchunk0-WindowsNoEditor.pak.bak1',
				path + '\\pakchunk0-WindowsNoEditor.pak.bak')

if len( sys.argv ) > 1:
	if sys.argv[1] == 'reset':
		pak_patch( game_path_pak )
		print( 'Restored' )
		exit()

first_time = True
patched = False

print( 'Warning for start the game..' )
while 1:
	all_process = subprocess.check_output( 'tasklist', shell=False ).decode( 'windows-1251' )
	if patched is True:
		if 'DeadByDaylight-Win64-Ship' not in all_process:
			print( 'Please wait 5s...' )
			time.sleep( 5 )
			pak_patch( game_path_pak )
			print( 'Done!' )
			#print( all_process )
			break
		time.sleep( 1 )
	else:
		if 'DeadByDaylight.exe' in all_process:
			if first_time is True:
				first_time = False
				print( 'Found. Warning for EAC...' )
		else:
			if first_time is False:
				pak_patch( game_path_pak )
				patched = True
				print( 'Patched! Waiting for game closed...' )
		time.sleep( 0.1 )