Telegram bot webhook python
import re
from flask import Flask, request
import telegram
from telebot.credentials import bot_token, bot_user_name,URL
global bot
global TOKEN
TOKEN = bot_token
bot = telegram.Bot(token=TOKEN)
app = Flask(__name__)
@app.route('/{}'.format(TOKEN), methods=['POST'])
def respond():
# retrieve the message in JSON and then transform it to Telegram object
update = telegram.Update.de_json(request.get_json(force=True), bot)
chat_id = update.message.chat.id
msg_id = update.message.message_id
# Telegram understands UTF-8, so encode text for unicode compatibility
text = update.message.text.encode('utf-8').decode()
# for debugging purposes only
print("got text message :", text)
# the first time you chat with the bot AKA the welcoming message
if text == "/start":
# print the welcoming message
bot_welcome = """
Welcome to coolAvatar bot, the bot is using the service from http://avatars.adorable.io/ to generate cool looking avatars based on the name you enter so please enter a name and the bot will reply with an avatar for your name.
"""
# send the welcoming message
bot.sendMessage(chat_id=chat_id, text=bot_welcome, reply_to_message_id=msg_id)
else:
try:
# clear the message we got from any non alphabets
text = re.sub(r"\W", "_", text)
# create the api link for the avatar based on http://avatars.adorable.io/
url = "https://api.adorable.io/avatars/285/{}.png".format(text.strip())
# reply with a photo to the name the user sent,
# note that you can send photos by url and telegram will fetch it for you
bot.sendPhoto(chat_id=chat_id, photo=url, reply_to_message_id=msg_id)
except Exception:
# if things went wrong
bot.sendMessage(chat_id=chat_id, text="There was a problem in the name you used, please enter different name", reply_to_message_id=msg_id)
return 'ok'
@app.route('/set_webhook', methods=['GET', 'POST'])
def set_webhook():
s = bot.setWebhook('{URL}{HOOK}'.format(URL=URL, HOOK=TOKEN))
if s:
return "webhook setup ok"
else:
return "webhook setup failed"
@app.route('/')
def index():
return '.'
if __name__ == '__main__':
app.run(threaded=True)
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