Removes old files from a directory

TempCleanup.py

# Question
#
# We have many applications running that store temporary files in /var/tmp, which fills up over time.
#
# Write a function that cleans out files older than a user specified number of days and
# removes empty directories recursively.
#

import os
import sys
import datetime


def isFileOld(fileItem, daysOld):
   cutoff = datetime.datetime.today() - datetime.timedelta(days=daysOld)
   fileModDateTime = datetime.datetime.fromtimestamp(os.path.getmtime(fileItem))
   return fileModDateTime < cutoff

def cleanup(directory, daysOld):
   for item in os.listdir(directory):
      # Absolute file path in case this script is run from elsewhere
      # and for recursive calls
      absItem = os.path.join(directory, item)

      # Folder case
      if os.path.isdir(absItem):

         # Non-empty folder
         if os.listdir(absItem):
            cleanup(absItem, daysOld)

         # Empty folder
         if not os.listdir(absItem):
            print "Removing folder " + absItem
            os.rmdir(absItem)

      # File and old case
      if os.path.isfile(absItem) and isFileOld(absItem, daysOld):
         os.remove(absItem)
         print "Deleting " + absItem


folder = "/var/tmp"
days = sys.argv[1]

cleanup(folder, int(days))