gistfile1.txt

def _get_pythonpath(self):
        if os.name == 'nt':
            p = subprocess.Popen(["set",], shell=True, stdout=subprocess.PIPE)
            out, err = p.communicate()
            for line in out.split():
                if line.startswith("PYTHONPATH"):
                    return line.split()[1]
        else:
            p = subprocess.Popen(["echo", "$PYTHONPATH"], shell=True, stdout=subprocess.PIPE)
            out, err = p.communicate()
            return out.strip()