def save(self, must_create=False):
        self._session_key = self._get_session_key()
        self.modified = True
To save, we get the session key as a securely signed string and then
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/contrib/sessions/backends/signed_cookies.py/SessionStore.save