Telegram Bot example

tg_bot.py

#!/usr/bin/env python
from __future__ import print_function

import datetime
import os
import random
import re
import time

import telepot
from telepot.loop import MessageLoop

# token environ
tg_token = os.environ.get('TELEGRAM_TOKEN', 'XXX')
# create bot
bot = telepot.Bot(tg_token)
# regex commands
re_cmd = re.compile(r"\/(\w+)\s?")

def dht():
    """Temperature"""
    return 22.2

def _random():
    return random.randint(1,6)

def _now():
    return str(datetime.datetime.now())

commands = {
    'roll': {
        'run': _random,
        'description': "juego de la adivinación",
    },
    'hora': {
        'run': _now,
        'description': "hora de ahora",
    },
    'temp': {
        'run': dht, 
        'description': "temperatura de la ....",
    }
}

def _help():
    """Description all helpers."""
    list_commands = ""
    for key in commands.keys():
        if 'description' in commands[key]:
            list_commands += "/{} - {}\n".format(key, commands[key]['description'])
    list_commands += "/help ayudar"
    return list_commands


def excute_command(chat_id, command):
    """Execute command."""
    if command == 'help':
        bot.sendMessage(chat_id, _help())
        return
    
    if command in commands.keys():
        try:
            bot.sendMessage(chat_id, commands[command]['run']())
        except Exception as e:
            print(e)
            bot.sendMessage(chat_id, "Op's algún problema ocurrió")
            return
    else:
        bot.sendMessage(chat_id, "command not found. type /help")
        return

def handle(msg):
    chat_id = msg['chat']['id']
    command = re_cmd.match(msg['text'])

    if command:
        command = command[0][1:] # simple way to remove /
        print('Got command: %s from : %s' % (command, str(chat_id)))
        excute_command(chat_id, command)
    else:
        bot.sendMessage(chat_id, "command not found. type /help")




def main():
    """Main function."""
    MessageLoop(bot, handle).run_as_thread()
    print('En linea ...')
    while 1:
        time.sleep(10)

if __name__ == '__main__':
    main()

execute:

$ TELEGRAM_TOKEN=XXXXXXXXXX python3 tg_bot.py