File: //lib/python3/dist-packages/django/contrib/sessions/backends/__pycache__/cache.cpython-310.pyc
o
ǎ�_�
� @ sD d dl mZ d dlmZmZmZ d dlmZ dZG dd� de�Z dS )� )�settings)� CreateError� SessionBase� UpdateError)�cachesz django.contrib.sessions.cachec sj e Zd ZdZeZd� fdd� Zedd� �Zdd� Z d d
� Z
dd d
�Z dd� Z ddd�Z
edd� �Z� ZS )� SessionStorez&
A cache-based session store.
Nc s t tj | _t� �|� d S �N)r r �SESSION_CACHE_ALIAS�_cache�super�__init__��self� session_key�� __class__� �H/usr/lib/python3/dist-packages/django/contrib/sessions/backends/cache.pyr s zSessionStore.__init__c C s | j | �� S r )�cache_key_prefix�_get_or_create_session_key)r r r r � cache_key s zSessionStore.cache_keyc C s@ z | j �| j�}W n ty d }Y nw |d ur|S d | _i S r )r
�getr � Exception� _session_key)r � session_datar r r �load s �zSessionStore.loadc C sN t d�D ] }| �� | _z| jdd� W n ty Y qw d| _ d S td��)Ni' T)� must_createzOUnable to create a new session key. It is likely that the cache is unavailable.)�range�_get_new_session_keyr �saver �modified� RuntimeError)r �ir r r �create$ s
��zSessionStore.createFc C sn | j d u r | �� S |r| jj}n| j�| j�d ur | jj}nt�|| j| j|d�| � � �}|r3|s5t
�d S d S )N)�no_load) r r# r
�addr r �setr � _get_session�get_expiry_ager )r r �func�resultr r r r 6 s
��zSessionStore.savec C s t |�o | j| | jv S r )�boolr r
r
r r r �existsE s zSessionStore.existsc C s2 |d u r| j d u r d S | j }| j�| j| � d S r )r r
�deleter r
r r r r- H s
zSessionStore.deletec C s d S r r )�clsr r r �
clear_expiredO s zSessionStore.clear_expiredr )F)�__name__�
__module__� __qualname__�__doc__�
KEY_PREFIXr r �propertyr r r# r r, r- � classmethodr/ �
__classcell__r r r r r
s
r N)
� django.confr �%django.contrib.sessions.backends.baser r r �django.core.cacher r4 r r r r r �<module> s