helper.py

# TODO Find what RPi returns and change the condition to work on all systems other than RPi
import platform
from gpiozero.pins.mock import MockFactory
from gpiozero import Device
def checkSimulate():
        if platform.system() == "Darwin" or platform.system() == "Windows":
                Device.pin_factory = MockFactory()


# Check if current time is between startTime and endTime
from datetime import datetime
def isTimeBetween(startTime, endTime):
        timeNow = datetime.now().time()
        return (timeNow >= datetime.strptime(startTime, '%H:%M:%S').time() and timeNow <= datetime.strptime(endTime, '%H:%M:%S').time())


# Check internet connection
from urllib.request import urlopen
from urllib.error import URLError
def hasInternetConnection():
    try:
        urlopen('http://www.google.com', timeout=10)
        return True
    except URLError as err: 
        return False

# Restarts the current program
import os, sys, psutil, logging
def restartProgram():
        try:
                p = psutil.Process(os.getpid())
                for handler in p.open_files() + p.connections():
                        os.close(handler.fd)
        except Exception as e:
                logging.error(e)

        python = sys.executable
        os.execl(python, python, *sys.argv)


# Check & pull latest code from git
import subprocess
def checkUpdates():
        print("Checking for updated code in git")
        if hasInternetConnection():
                try:
                        output = subprocess.check_output(["git", "pull"])
                        # print("git output: " + output)
                        output = output.replace("-", " ")
                        if output != "Already up to date.\n":
                                print("Restarting the application...\n")
                                restartProgram()
                        print("Completing code update")                        
                except:
                        pass
        else:
                print("No internet connection")