DYN Coin Google Home notification

chaching.py

#!/usr/bin/python
import subprocess
import time
import json
import requests

EARL = 'http://10.0.0.145:5000/play/cha.m4a'
CMD = '~/dynamic-1.5.0/bin/dynamic-cli getwalletinfo'
BALANCE = -1.0

def getBalance():
    output = subprocess.Popen(CMD, shell=True, stdout=subprocess.PIPE)
    json_str, _ = output.communicate()
    jsonObject = json.loads(json_str)
    global BALANCE
    BALANCE = float(jsonObject["balance"])
    return BALANCE

def didChange():
    global BALANCE
    prevBalance = BALANCE
    BALANCE = getBalance()
    if prevBalance < BALANCE and prevBalance != -1.0:
        return True
    return False

def sendNotification():
    requests.get(EARL)

while True:
    if didChange() == True:
    	print(BALANCE)
        sendNotification()
    else:
        print(BALANCE)
    	print 'Kahjit got warez if you got coin'
    time.sleep(60)