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Enso-Bot/venv/Lib/site-packages/django/contrib/sessions/base_session.py

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)