U
    ƒIÀd©  ã                   @   s`   d dl Z d dlZd dlZd dlmZ ddlmZmZ ddlm	Z	 ddl
mZ G dd„ deƒZdS )	é    N)ÚHTTPAdapteré   )ÚCacheControllerÚPERMANENT_REDIRECT_STATUSES)Ú	DictCache)ÚCallbackFileWrapperc                       sP   e Zd ZdddhZd‡ fdd„	Zd‡ fdd	„	Zd‡ fdd„	Z‡ fdd„Z‡  ZS )ÚCacheControlAdapterÚPUTÚPATCHÚDELETENTc           
         sT   t t| ƒj||Ž |d kr tƒ n|| _|| _|p2d| _|p<t}	|	| j||d�| _d S )N)ÚGET)Úcache_etagsÚ
serializer)	Úsuperr   Ú__init__r   ÚcacheÚ	heuristicÚcacheable_methodsr   Ú
controller)
Úselfr   r   Úcontroller_classr   r   r   ÚargsÚkwÚcontroller_factory©Ú	__class__© úY/home/sam/Atlas/atlas_env/lib/python3.8/site-packages/pip/_vendor/cachecontrol/adapter.pyr      s    
  ÿzCacheControlAdapter.__init__c                    s€   |p| j }|j|krhz| j |¡}W n tjk
r>   d}Y nX |rT| j||dd�S |j | j 	|¡¡ t
t| ƒj|f|Ž}|S )z”
        Send a request. Use the request information to see if it
        exists in the cache and cache the response if we need to and can.
        NT)Ú
from_cache)r   Úmethodr   Úcached_requestÚzlibÚerrorÚbuild_responseÚheadersÚupdateÚconditional_headersr   r   Úsend)r   Úrequestr   r   Ú	cacheableÚcached_responseÚrespr   r   r   r'   (   s    


zCacheControlAdapter.sendFc           
         s  |p| j }|sÈ|j|krÈ| jr*| j |¡}|jdkrh| j ||¡}||k	rNd}|jdd� | ¡  |}n`t	|jƒt
kr†| j ||¡ nBt|jt | jj||¡ƒ|_|jrÈ|j‰ ‡ fdd„}t ||¡|_tt| ƒ ||¡}|j| jk�r
|j�r
| j |j¡}	| j |	¡ ||_|S )z¥
        Build a response by making a request or using the cache.

        This will end up calling send and returning a potentially
        cached response
        i0  TF)Údecode_contentc                    s   ˆ ƒ  | j dkr| j ¡  d S )Nr   )Ú
chunk_leftÚ_fpÚ_close©r   ©Úsuper_update_chunk_lengthr   r   Ú_update_chunk_lengthr   s    
z@CacheControlAdapter.build_response.<locals>._update_chunk_length)r   r   r   ÚapplyÚstatusr   Úupdate_cached_responseÚreadÚrelease_connÚintr   Úcache_responser   r.   Ú	functoolsÚpartialÚchunkedr3   ÚtypesÚ
MethodTyper   r   r#   Úinvalidating_methodsÚokÚ	cache_urlÚurlr   Údeleter   )
r   r(   Úresponser   r   r)   r*   r3   r+   rB   r   r1   r   r#   =   sJ    	

 ÿ  ÿþ ÿz"CacheControlAdapter.build_responsec                    s   | j  ¡  tt| ƒ ¡  d S )N)r   Úcloser   r   r0   r   r   r   rF   ‡   s    
zCacheControlAdapter.close)NTNNNN)N)FN)	Ú__name__Ú
__module__Ú__qualname__r@   r   r'   r#   rF   Ú__classcell__r   r   r   r   r      s   
      ù   ÿJr   )r>   r;   r!   Zpip._vendor.requests.adaptersr   r   r   r   r   r   Úfilewrapperr   r   r   r   r   r   Ú<module>   s   