Added time left estimation

    return f

def calc_time_left(progress):

    if progress == 0:

        return "N/A"

    else:

        time_since_start = time.time() - shared.state.time_start

        eta = (time_since_start/progress)

        return time.strftime('%H:%M:%S', time.gmtime(eta-time_since_start))        

def check_progress_call(id_part):

    if shared.state.job_count == 0:

        return "", gr_show(False), gr_show(False), gr_show(False)

    if shared.state.sampling_steps > 0:

        progress += 1 / shared.state.job_count * shared.state.sampling_step / shared.state.sampling_steps

    time_left = calc_time_left( progress )

    progress = min(progress, 1)

    progressbar = ""

    if opts.show_progressbar:

        progressbar = f"""<div class='progressDiv'><div class='progress' style="width:{progress * 100}%">{str(int(progress*100))+"%" if progress > 0.01 else ""}</div></div>"""

        progressbar = f"""<div class='progressDiv'><div class='progress' style="overflow:hidden;width:{progress * 100}%">{str(int(progress*100))+"% ETA:"+time_left if progress > 0.01 else ""}</div></div>"""

    image = gr_show(False)

    preview_visibility = gr_show(False)

    shared.state.current_latent = None

    shared.state.current_image = None

    shared.state.textinfo = None

    shared.state.time_start = time.time()

    return check_progress_call(id_part)