class base_session.AbstractBaseSession New in Django 1.9. The abstract base session model. session_key Primary key. The field itself may contain up to 40 characters. The current implementation generates a 32-character string (a random sequence of digits and lowercase ASCII letters). session_data A string containing an encoded and serialized session dictionary. expire_date A datetime designating when the session expires. Expired sessions are not available to a user, however,

create_model_instance(data) New in Django 1.9. Returns a new instance of the session model object, which represents the current session state. Overriding this method provides the ability to modify session model data before it’s saved to database.

class backends.db.SessionStore Implements database-backed session store. classmethod get_model_class() New in Django 1.9. Override this method to return a custom session model if you need one. create_model_instance(data) New in Django 1.9. Returns a new instance of the session model object, which represents the current session state. Overriding this method provides the ability to modify session model data before it’s saved to database.

cache_key_prefix New in Django 1.9. A prefix added to a session key to build a cache key string.

class backends.cached_db.SessionStore Implements cached database-backed session store. cache_key_prefix New in Django 1.9. A prefix added to a session key to build a cache key string.

__setitem__(key, value) Example: request.session['fav_color'] = 'blue'

__getitem__(key) Example: fav_color = request.session['fav_color']

__delitem__(key) Example: del request.session['fav_color']. This raises KeyError if the given key isn’t already in the session.

__contains__(key) Example: 'fav_color' in request.session

test_cookie_worked() Returns either True or False, depending on whether the user’s browser accepted the test cookie. Due to the way cookies work, you’ll have to call set_test_cookie() on a previous, separate page request. See Setting test cookies below for more information.