BTC Price Watch

watch.py

import requests
import time
import decimal

lastPrice = decimal.Decimal("0")
while True:
    ret = requests.get("https://coinbase.com/api/v1/prices/spot_rate").json()
    price = decimal.Decimal(ret['amount'])
    diff = price - lastPrice
    if diff > 0:
        print("$%s (+%s)" % (price, diff))
    elif diff < 0:
        print("$%s (%s)" % (price, diff))

    lastPrice = price
    time.sleep(5)