o
    e2                     @   s@   d Z ddlmZ ddlmZ ddlmZ dZG dd deZdS )	z#
Cached, database-backed sessions.
    )settings)SessionStore)cachesz!django.contrib.sessions.cached_dbc                       sj   e Zd ZdZeZd fdd	Zedd Zdd Z	 fd	d
Z
d fdd	Zd fdd	Zdd Z  ZS )r   z5
    Implement cached, database backed sessions.
    Nc                    s   t tj | _t | d S N)r   r   SESSION_CACHE_ALIAS_cachesuper__init__selfsession_key	__class__ ]/var/www/html/venv/lib/python3.10/site-packages/django/contrib/sessions/backends/cached_db.pyr	      s   zSessionStore.__init__c                 C   s   | j |   S r   )cache_key_prefix_get_or_create_session_keyr   r   r   r   	cache_key   s   zSessionStore.cache_keyc                 C   sr   z	| j | j}W n ty   d }Y nw |d u r7|  }|r5| |j}| j | j|| j|j	d |S i }|S )N)expiry)
r   getr   	Exception_get_session_from_dbdecodesession_datasetget_expiry_ageexpire_date)r   datasr   r   r   load   s   zSessionStore.loadc                    s    |r
| j | | jv pt |S r   )r   r   r   existsr
   r   r   r   r!   .   s
   
zSessionStore.existsFc                    s(   t  | | j| j| j|   d S r   )r   saver   r   r   _sessionr   )r   must_creater   r   r   r"   5   s   zSessionStore.savec                    s>   t  | |d u r| jd u rd S | j}| j| j|  d S r   )r   deleter   r   r   r
   r   r   r   r%   9   s   
zSessionStore.deletec                 C   s   |    | | j d| _dS )zc
        Remove the current session data from the database and regenerate the
        key.
        N)clearr%   r   _session_keyr   r   r   r   flushA   s   
zSessionStore.flushr   )F)__name__
__module____qualname____doc__
KEY_PREFIXr   r	   propertyr   r    r!   r"   r%   r(   __classcell__r   r   r   r   r      s    
r   N)	r,   django.confr   #django.contrib.sessions.backends.dbr   DBStoredjango.core.cacher   r-   r   r   r   r   <module>   s    