Generating SECRET_KEY on first run

get_secret_key.py

import os, binascii
def get_secret_key(key_filename):
    key_path = os.path.join(BASE_DIR, 'conf', key_filename)
    if not os.path.exists(key_path):
	try:
            umask_saved = os.umask(0277)
	    with open(key_path, 'wb') as key_file:
            	key_file.write(binascii.b2a_base64(os.urandom(64)).rstrip('='))
	finally:
            os.umask(umask_saved)
    with open(key_path, 'rb') as key_file:
        return key_file.read().strip()
    raise ImproperyConfigured('Unable to find secret_key file.')

SECRET_KEY = get_secret_key('secret_key.txt')