callowayproject

#!/usr/bin/env python

import os, random, subprocess, sys

HAS_VENV = bool(subprocess.Popen(['which','virtualenv'], stdout=subprocess.PIPE).communicate()[0])
if not HAS_VENV:
    print "virtualenv is required to run this script. Please install it with\n  easy_install virtualenv\n\nor\n\n  pip virtualenv"
    sys.exit(1)

HAS_VENVW = bool(subprocess.Popen(['which','virtualenvwrapper.sh'], stdout=subprocess.PIPE).communicate()[0])