import datetime, time, os

def ageOfFile(pathToFile):
	pathToFile = os.path.expanduser(pathToFile)
	return int(time.time()) - os.path.getmtime(pathToFile)

def fileIsOlderThan(pathToFile, days=0, hours=0, minutes=0, seconds=0):
	time= (((days*24) + hours) * 60 + minutes) * 60 + seconds
	return ageOfFile(pathToFile) > time

def dirIsEmpty(pathToDir):
	return os.listdir(pathToDir) == []