bot_example.py

#!/usr/bin/python3

import logging

from telegram.ext import Updater,CallbackQueryHandler,CommandHandler, CallbackContext
from telegram import  ReplyKeyboardRemove,ParseMode, Update

import telegramcalendar, telegramjcalendar
import utils
import messages

# Go to botfather and create a bot and copy the token and paste it here in token
TOKEN = "" # token of the bot


logging.basicConfig(format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
                    level=logging.INFO)

logger = logging.getLogger(__name__)

def start(update, context):
    context.bot.send_message(
        chat_id=update.message.chat_id,
        text=messages.start_message.format(update.message.from_user.first_name),
        parse_mode=ParseMode.HTML)

# A simple command to display the calender
def calendar_handler(update, context):
    update.message.reply_text(text=messages.calendar_message,
                    reply_markup=telegramcalendar.create_calendar())
    

def jcalendar_handler(update: Update, context: CallbackContext) -> int:
    update.message.reply_text(
        text=messages.jcalendar_message,
        reply_markup=telegramjcalendar.create_calendar()
    )

def inline_handler(update, context):
    query = update.callback_query
    (kind, _, _, _, _) = utils.separate_callback_data(query.data)
    if kind == messages.CALENDAR_CALLBACK:
        inline_calendar_handler(update, context)
    elif kind == messages.JCALENDAR_CALLBACK:
        inline_jcalendar_handler(update, context)


def inline_calendar_handler(update, context):
    selected,date = telegramcalendar.process_calendar_selection(update, context)
    if selected:
        context.bot.send_message(chat_id=update.callback_query.from_user.id,
                        text=messages.calendar_response_message % (date.strftime("%d/%m/%Y")),
                        reply_markup=ReplyKeyboardRemove())


def inline_jcalendar_handler(update: Update, context: CallbackContext):
    selected, date = telegramjcalendar.process_calendar_selection(context.bot, update)
    if selected:
        context.bot.send_message(chat_id=update.callback_query.from_user.id,
                text=messages.jcalendar_response_message % date,
                reply_markup=ReplyKeyboardRemove())


if TOKEN == "": print("Please write TOKEN into file")
else:
    updater = Updater(TOKEN,use_context=True)
    dp=updater.dispatcher

    dp.add_handler(CommandHandler("start",start))
    dp.add_handler(CommandHandler("calendar",calendar_handler))
    dp.add_handler(CommandHandler("jcalendar",jcalendar_handler))
    dp.add_handler(CallbackQueryHandler(inline_handler))

    updater.start_polling()
    updater.idle()