#!/usr/bin/env python3
import requests

prefix = 'https://api.telegram.org/bot'
key = ''
geturl = prefix + key + '/getUpdates'
sendurl = prefix + key + '/sendMessage'
timeout = 60


def main():
    offset = 0
    while True:
        dt = dict(offset=offset, timeout=timeout)
        try:
            j = requests.post(geturl, data=dt, timeout=None).json()
        except ValueError:  # incomplete data
            continue
        if not j['ok'] or not j['result']:
            continue
        for r in j['result']:
            m = r['message']
            cid = m['chat']['id']
            if 'text' in m:  # and m['text'][0] == '/':
                dt = dict(chat_id=cid, text=reply)
                requests.post(sendurl, data=dt).json()
            offset = r['update_id'] + 1

if __name__ == '__main__':
    try:
        main()
    except KeyboardInterrupt:
        exit()