Running long-time processes in PySimpleGUI with threads

No1_simplest_thread.py

import threading
import time

import PySimpleGUI as sg


def long_time_process():
    time.sleep(5)


def run(window):
    window.write_event_value("-PrintStatus-", ("Processing..."))
    long_time_process()
    window.write_event_value("-PrintStatus-", ("Done!"))


def main():
    layout = [
        [sg.Text("Text", key="-OUT-", size=(20, 1))],
        [sg.Submit("Run thread process")],
    ]

    window = sg.Window("Window Title", layout, finalize=True)

    while True:
        event, values = window.read()
        if event == sg.WIN_CLOSED:
            break
        if event == "Run thread process":
            threading.Thread(target=run, args=(window,), daemon=True).start()
        if event == "-PrintStatus-":
            window["-OUT-"].update(values["-PrintStatus-"])
    window.close()


if __name__ == "__main__":
    main()

No2_asyncio_together.py

import threading
import asyncio

import PySimpleGUI as sg


async def long_time_process():
    await asyncio.sleep(5)


def run(window):
    window.write_event_value("-PrintStatus-", ("Processing..."))
    asyncio.run(long_time_process())
    window.write_event_value("-PrintStatus-", ("Done!"))


def main():
    layout = [
        [sg.Text("Text", key="-OUT-", size=(20, 1))],
        [sg.Submit("Run thread process")],
    ]

    window = sg.Window("Window Title", layout, finalize=True)

    while True:
        event, values = window.read()
        if event == sg.WIN_CLOSED:
            break
        if event == "Run thread process":
            threading.Thread(target=run, args=(window,), daemon=True).start()
        if event == "-PrintStatus-":
            window["-OUT-"].update(values["-PrintStatus-"])
    window.close()


if __name__ == "__main__":
    main()