Currency Bot

main.py

print("Initializing variables")
import requests
from settings import token
import time

tlgrm_url = "https://api.telegram.org/bot{}/".format(token)
cryptonator_url = "https://api.cryptonator.com/api/ticker/"

greeting = 'Привет, я умею показывать текущий курс криптовалют. Отзываюсь на команды /btc и /eth'
offset = 0


def get_updates(offset=0, timeout=30):
    params = {'offset': offset, 'timeout': timeout}
    result = requests.get(tlgrm_url + "getUpdates", params=params)
    for update in result.json()['result']:
        offset = update['update_id']
        return update['result']
update = get_updates(offset=0, timeout=30)

def send_message(chat, text):
    print("Sending message")
    params = {'chat_id': chat, 'text': text}
    response = requests.post(tlgrm_url + 'sendMessage', data=params)
    return response

def get_crypto_price(currency_pair):
    print("Getting crypto price")
    raw_data = requests.get(url=cryptonator_url+currency_pair)
    data = raw_data.json()
    price = data["ticker"]["price"]
    return price

def process_requests():
    for message in update:
        request = message['message']['text'] 
        chat_id = message['message']['chat']['id']

        if request == "/btc":
            text = "Bitcoin стоит ${0}".format(get_crypto_price("btc-usd"))
            send_message(chat_id, text)
            print("Sent Bitcoin rate")
        elif request == "/eth":
            text = "Etherium стоит ${0}".format(get_crypto_price("eth-usd"))
            send_message(chat_id, text)
            print("Sent Etherium rate")
        elif request == "/start":
            send_message(chat_id, greeting)
        else:
            print(request)
            send_message(chat_id, 'Отправь  /btc or /eth')
process_requests()

while True:
    print("Looping get_updates")        
    try:
        get_updates(offset)
        process_requests()
        time.sleep(1)
    except KeyboardInterrupt: # порождается, если бота остановил пользователь
        print('Interrupted by the user')
        break