config.py

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import os
import random
import redis
import string

def random_secret( N ):
    return ''.join( random.choice( string.ascii_uppercase + string.digits ) for _ in range( N ) )

SECRET_KEY = os.environ.get( "SECRET_KEY", random_secret( 20 ) )

SESSION_TYPE = 'redis'
SESSION_PERMANENT = False

redis_url = os.environ.get( "REDIS_URL", "redis://127.0.0.1:6379/0" )
SESSION_REDIS = redis.from_url( redis_url )

session_timeout = int( os.environ.get( "SESSION_TIMEOUT", 15 * 60 ) )