import queue
import time
import threading

def main():
    print("Hello There")

    que = queue.Queue()
    event = threading.Event()

    #input(que)
    input_thread = threading.Thread(target=input, args=(que,event))
    input_thread.daemon = True
    input_thread.start()

    #output(que)
    output_thread = threading.Thread(target=output, args=(que,event))
    output_thread.daemon = True
    output_thread.start()

    for num in range(21):
        print(f"wait till full: {num}/20", end='\r')
        time.sleep(0.5)
    print("\nDone!")
    event.set()

def input(que, event):
    loop = 0
    while not event:
        message = f"{time.time()} | Hi! {loop}"
        que.put(message)
        loop = loop + 1
        time.sleep(1)

def output(que, event):
    file = '/tmp/test_out'
    with open(file, 'a') as out_file:
        while not event:
            message = que.get()
            out_file.write(f"{message}\r\n")
            out_file.flush()
            time.sleep(1)
        out_file.close()


if __name__ == "__main__":
    main()
    print("Bye now!")
    exit(0)