48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
"""
|
|
This module allows importing AbstractBaseSession even
|
|
when django.contrib.sessions is not in INSTALLED_APPS.
|
|
"""
|
|
from django.db import models
|
|
from django.utils.translation import gettext_lazy as _
|
|
|
|
|
|
class BaseSessionManager(models.Manager):
|
|
def encode(self, session_dict):
|
|
"""
|
|
Return the given session dictionary serialized and encoded as a string.
|
|
"""
|
|
session_store_class = self.model.get_session_store_class()
|
|
return session_store_class().encode(session_dict)
|
|
|
|
def save(self, session_key, session_dict, expire_date):
|
|
s = self.model(session_key, self.encode(session_dict), expire_date)
|
|
if session_dict:
|
|
s.save()
|
|
else:
|
|
s.delete() # Clear sessions with no data.
|
|
return s
|
|
|
|
|
|
class AbstractBaseSession(models.Model):
|
|
session_key = models.CharField(_('session key'), max_length=40, primary_key=True)
|
|
session_data = models.TextField(_('session data'))
|
|
expire_date = models.DateTimeField(_('expire date'), db_index=True)
|
|
|
|
objects = BaseSessionManager()
|
|
|
|
class Meta:
|
|
abstract = True
|
|
verbose_name = _('session')
|
|
verbose_name_plural = _('sessions')
|
|
|
|
def __str__(self):
|
|
return self.session_key
|
|
|
|
@classmethod
|
|
def get_session_store_class(cls):
|
|
raise NotImplementedError
|
|
|
|
def get_decoded(self):
|
|
session_store_class = self.get_session_store_class()
|
|
return session_store_class().decode(self.session_data)
|