step_example.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

__author__ = "ipetrash"


# SOURCE: https://github.com/eternnoir/pyTelegramBotAPI/blob/40244902497ec496c1d18afd09954bf5fd450c38/examples/step_example.py


import telebot
from telebot import types

from config import TOKEN


bot = telebot.TeleBot(TOKEN)

user_dict = dict()


class User:
    def __init__(self, name):
        self.name = name
        self.age = None
        self.sex = None


# Handle '/start' and '/help'
@bot.message_handler(commands=["help", "start"])
def send_welcome(message):
    msg = bot.reply_to(
        message,
        """\
Hi there, I am Example bot.
What's your name?
""",
    )
    bot.register_next_step_handler(msg, process_name_step)


def process_name_step(message):
    try:
        chat_id = message.chat.id
        name = message.text
        user = User(name)
        user_dict[chat_id] = user
        msg = bot.reply_to(message, "How old are you?")
        bot.register_next_step_handler(msg, process_age_step)
    except Exception as e:
        bot.reply_to(message, "oooops")


def process_age_step(message):
    try:
        chat_id = message.chat.id
        age = message.text
        if not age.isdigit():
            msg = bot.reply_to(message, "Age should be a number. How old are you?")
            bot.register_next_step_handler(msg, process_age_step)
            return
        user = user_dict[chat_id]
        user.age = age
        markup = types.ReplyKeyboardMarkup(one_time_keyboard=True)
        markup.add("Male", "Female")
        msg = bot.reply_to(message, "What is your gender", reply_markup=markup)
        bot.register_next_step_handler(msg, process_sex_step)
    except Exception as e:
        bot.reply_to(message, "oooops")


def process_sex_step(message):
    try:
        chat_id = message.chat.id
        sex = message.text
        user = user_dict[chat_id]
        if (sex == "Male") or (sex == "Female"):
            user.sex = sex
        else:
            raise Exception("Unknown sex")
        bot.send_message(
            chat_id,
            "Nice to meet you "
            + user.name
            + "\n Age:"
            + str(user.age)
            + "\n Sex:"
            + user.sex,
        )
    except Exception as e:
        bot.reply_to(message, "oooops")


# Enable saving next step handlers to file "./.handlers-saves/step.save".
# Delay=2 means that after any change in next step handlers (e.g. calling register_next_step_handler())
# saving will hapen after delay 2 seconds.
bot.enable_save_next_step_handlers(delay=2)

# Load next_step_handlers from save file (default "./.handlers-saves/step.save")
# WARNING It will work only if enable_save_next_step_handlers was called!
bot.load_next_step_handlers()

bot.polling(none_stop=True)