U
    
Ha%                     @   s4   d Z ddlmZ G dd deZG dd deZdS )zb
The cache object API for implementing caches. The default is a thread
safe in-memory dictionary.
    )Lockc                   @   s,   e Zd Zdd Zdd Zdd Zdd Zd	S )
	BaseCachec                 C   s
   t  d S NNotImplementedErrorselfkey r
   B/tmp/pip-unpacked-wheel-tx790h60/pip/_vendor/cachecontrol/cache.pyget
   s    zBaseCache.getc                 C   s
   t  d S r   r   r   r	   valuer
   r
   r   set   s    zBaseCache.setc                 C   s
   t  d S r   r   r   r
   r
   r   delete   s    zBaseCache.deletec                 C   s   d S r   r
   )r   r
   r
   r   close   s    zBaseCache.closeN)__name__
__module____qualname__r   r   r   r   r
   r
   r
   r   r      s   r   c                   @   s.   e Zd Zd
ddZdd Zdd Zdd	 ZdS )	DictCacheNc                 C   s   t  | _|pi | _d S r   )r   lockdata)r   	init_dictr
   r
   r   __init__   s    zDictCache.__init__c                 C   s   | j |d S r   )r   r   r   r
   r
   r   r      s    zDictCache.getc              	   C   s&   | j  | j||i W 5 Q R X d S r   )r   r   updater   r
   r
   r   r       s    zDictCache.setc              	   C   s,   | j  || jkr| j| W 5 Q R X d S r   )r   r   popr   r
   r
   r   r   $   s    
zDictCache.delete)N)r   r   r   r   r   r   r   r
   r
   r
   r   r      s   
r   N)__doc__	threadingr   objectr   r   r
   r
   r
   r   <module>   s   