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"""

Example of running PyTelegramBotAPI serverless in Amazon AWS Lambdaю

You have to set your lambda's url as telegram webhook manually https://core.telegram.org/bots/api#setwebhook

"""

import logging

import telebot

import json

import os

API_TOKEN = os.environ['TELEGRAM_TOKEN']

logger = telebot.logger

telebot.logger.setLevel(logging.INFO)

bot = telebot.TeleBot(API_TOKEN, threaded=False)

def process_event(event):

# Get telegram webhook json from event

request_body_dict = json.loads(event['body'])

# Parse updates from json

update = telebot.types.Update.de_json(request_body_dict)

# Run handlers and etc for updates

bot.process_new_updates([update])

def lambda_handler(event, context):

# Process event from aws and respond

process_event(event)

return {

'statusCode': 200

}

# Handle '/start' and '/help'

@bot.message_handler(commands=['help', 'start'])

def send_welcome(message):

bot.reply_to(message,

("Hi there, I am EchoBot.\n"

"I am here to echo your kind words back to you."))

# Handle all other messages

@bot.message_handler(func=lambda message: True, content_types=['text'])

def echo_message(message):

bot.reply_to(message, message.text)