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pyTelegramBotAPI/examples/webhook_examples/webhook_aiohttp_echo_bot.py

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2017-01-29 22:54:49 +03:00
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This is a simple echo bot using decorators and webhook with aiohttp
# It echoes any incoming text messages and does not use the polling method.
import logging
import ssl
from aiohttp import web
import pytelegrambotapi
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API_TOKEN = '<api_token>'
WEBHOOK_HOST = '<ip/host where the bot is running>'
WEBHOOK_PORT = 8443 # 443, 80, 88 or 8443 (port need to be 'open')
WEBHOOK_LISTEN = '0.0.0.0' # In some VPS you may need to put here the IP addr
WEBHOOK_SSL_CERT = './webhook_cert.pem' # Path to the ssl certificate
WEBHOOK_SSL_PRIV = './webhook_pkey.pem' # Path to the ssl private key
# Quick'n'dirty SSL certificate generation:
#
# openssl genrsa -out webhook_pkey.pem 2048
# openssl req -new -x509 -days 3650 -key webhook_pkey.pem -out webhook_cert.pem
#
# When asked for "Common Name (e.g. server FQDN or YOUR name)" you should reply
# with the same value in you put in WEBHOOK_HOST
WEBHOOK_URL_BASE = "https://{}:{}".format(WEBHOOK_HOST, WEBHOOK_PORT)
WEBHOOK_URL_PATH = "/{}/".format(API_TOKEN)
logger = pytelegrambotapi.logger
pytelegrambotapi.logger.setLevel(logging.INFO)
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bot = pytelegrambotapi.TeleBot(API_TOKEN)
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app = web.Application()
# Process webhook calls
async def handle(request):
if request.match_info.get('token') == bot.token:
request_body_dict = await request.json()
update = pytelegrambotapi.types.Update.de_json(request_body_dict)
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bot.process_new_updates([update])
return web.Response()
else:
return web.Response(status=403)
app.router.add_post('/{token}/', handle)
# 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)
# Remove webhook, it fails sometimes the set if there is a previous webhook
bot.remove_webhook()
# Set webhook
bot.set_webhook(url=WEBHOOK_URL_BASE+WEBHOOK_URL_PATH,
certificate=open(WEBHOOK_SSL_CERT, 'r'))
# Build ssl context
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
context.load_cert_chain(WEBHOOK_SSL_CERT, WEBHOOK_SSL_PRIV)
# Start aiohttp server
web.run_app(
app,
host=WEBHOOK_LISTEN,
port=WEBHOOK_PORT,
ssl_context=context,
)