bot_busca_cep.py

import os
from telegram.ext import Updater, CommandHandler
import requests


def hello_world(update, context):
    update.message.reply_text(
        "Olá Mundo! Sou o novo bot."
    )



def busca_cep(update, context):
    zipcode=context.args[0]
    
    update.message.reply_text(f'Buscando endereço do CEP {zipcode}')
    try:
        response = requests.get(
            url=f'https://viacep.com.br/ws/{zipcode}/json'
        )
        response.raise_for_status()

        message = [
            f'{k}: {v}\n'
            for k, v in response.json().items()
        ]
        update.message.reply_text(''.join(message))
    except Exception as exc:
        update.message.reply_text(f'Problemas ao buscar endereço do CEP {zipcode}')
        


def main():
    token = os.getenv('TELEGRAM_TOKEN')
    updater = Updater(token=token)
    dispatcher = updater.dispatcher
    dispatcher.add_handler(CommandHandler('start', hello_world));
    dispatcher.add_handler(CommandHandler('cep', busca_cep, pass_args=True));

    updater.start_polling()


if __name__ == '__main__':
    main()