schedule.py

def set_schedule_flow(context: CallbackContext) -> None:
    #update_schedule()
    try:
        parity = week_even()
        day = datetime.datetime.today().weekday()
        day_list = context.bot_data["schedule"][parity][day]
    except (IndexError):
        return
    subjects = []
    for count, i in enumerate(day_list):
        name = str(i['name'])
        if name == "None":
            continue
        else:
            subjects.append(
                {
                    "start": context.bot_data["timetable_list"][count][0],
                    "end": context.bot_data["timetable_list"][count][1],
                    "name": name,
                    "type": str(i['type']),
                    "classroom": str(i['classroom'])
                }
            )
    if not subjects:
        return
    for index, i in enumerate(subjects):
        if index == 0:
            jobtime = datetime.datetime.combine(datetime.datetime.now().date(), datetime.datetime.strptime(i["start"], "%H:%M").time()) - datetime.timedelta(minutes=10)
        else:
            jobtime = datetime.datetime.combine(datetime.datetime.now().date(), datetime.datetime.strptime(subjects[index - 1], "%H:%M").time())
        context.job_queue.run_once(
            when = jobtime,
            callback = send_subject_schedule,
            context = i
        )

def send_subject_schedule(context: CallbackContext) -> None:
    subject_data = context.job.context
    message_id = context.bot.send_message(
        chat_id = context.bot_data["chat_id"],
        text = "Сейчас будет пара по \"{subject_name}\" {classroom}. Начало: {beginning_time}".format(
            subject_name = context.job.context["name"],
            classroom = "в аудитории "+subject_data["classroom"] if subject_data["classroom"].upper() != "Д" else "дистанционно",
            beginning_time = subject_data["start"]
        )
    ).message_id
    context.job_queue.run_once(
        when = 90, #можно и другое время указать, главное чат не засорять
        callback = delete_message_by_id,
        context = message_id
    )

def delete_message_by_id(context: CallbackContext) -> None:
    context.bot.delete_message(
        chat_id = context.bot_data["chat_id"],
        message_id = context.job.context
    )