install_helpers/setup_preparation_folder.py

#!/usr/bin/python2
import os
from os.path import expanduser

# Setup Preparation Folder
def run():
    print "\nSETTING UP PREPARATION FOLDER"
    print "******************************"
    home = expanduser("~")
    os.chdir(home)
    os.system("rm -rf nfd_prepare")
    os.mkdir("nfd_prepare")
    os.chdir("nfd_prepare")