Django/Redis session storage as json

session.py

import json
from redis_sessions.session import SessionStore as RedisSessionStore

class SessionStore(RedisSessionStore):

    def encode(self, session_dict):
        json_ = json.dumps(session_dict)
        return json_

    def decode(self, session_data):
        return json.loads(session_data)

#in settings.py
SESSION_ENGINE = 'path.to.module.session'