def run_command(command):
    filename = 'test.log'
    with io.open(filename, 'wb') as writer, io.open(filename, 'rb', 1) as reader:
        process = subprocess.Popen(command, stdout=writer)
        while process.poll() is None:
            time.sleep(0.5)

class MyThread(Thread):
    STOP = False
    def __init__(self, name):
        Thread.__init__(self)
        self.name = name

    def run(self):
        global OUTPUT, STOP
        print(235)
        #p = subprocess.Popen("python main.py", stdout=subprocess.PIPE, bufsize=2)
        #for line in iter(p.stdout.readline, b''):
        if(self.name == "run"):
            run_command("./venv/Scripts/python main.py")
        if(self.name == "stop"):
            """Nothing..."""

/venv/Scripts/python interface.py