GTA Online single session enabler for Windows

go_single_session.py

import time

import psutil
from pywinauto import Application


class GTAProcess:
    PROCESS_NAME: str = 'GTA5.exe'

    def __init__(self):
        self.process = self.get_process()

    def get_process(self) -> psutil.Process:
        for process in psutil.process_iter():
            if process.name() == self.PROCESS_NAME:
                return process

    def freeze_process(self, seconds: int = 10) -> None:
        print(f'Freezing for {seconds} seconds...')
        with self.process.oneshot():
            self.process.suspend()
            for countdown in range(seconds, 0, -1):
                time.sleep(1)
                print(f'\r{countdown}', end='', flush=True)
            self.process.resume()
        print('\rDone.')

    def switch_to_window(self) -> None:
        app = Application().connect(process=self.process.pid)
        app.top_window().set_focus()

    def alone_multiplayer(self) -> None:
        self.freeze_process()
        self.switch_to_window()


gta = GTAProcess()
gta.alone_multiplayer()

requirements.txt

psutil~=5.9
pywinauto~=0.6