관리-도구
편집 파일: controller.cpython-36.pyc
3 �ReE7 � @ s� d Z ddlZddlZddlZddlZddlmZ ddlmZ ddl m Z ddl m Z ej e�Zejd�Zd d � ZG d d � d e�ZdS ) z7 The httplib2 algorithms ported for use with requests. � N)� parsedate_tz)�CaseInsensitiveDict� )� DictCache)� Serializerz9^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?c C s0 t j| �j� }|d |d |d |d |d fS )z�Parses a URI using the regex given in Appendix B of RFC 3986. (scheme, authority, path, query, fragment) = parse_uri(uri) r � � � � )�URI�match�groups)�urir � r ��/builddir/build/BUILDROOT/alt-python36-pip-20.2.4-5.el8.x86_64/opt/alt/python36/lib/python3.6/site-packages/pip/_vendor/cachecontrol/controller.py� parse_uri s r c @ s\ e Zd ZdZddd�Zedd� �Zedd � �Zd d � Zd d � Z dd� Z ddd�Z dd� Z dS )�CacheControllerz9An interface to see if request should cached or not. NTc C s4 |d krt � n|| _|| _|p"t� | _|p,d| _d S )N�� �� �, �- )r r r r )r �cache� cache_etagsr � serializer�cacheable_status_codes)�selfr r r � status_codesr r r �__init__" s zCacheController.__init__c C sl t |�\}}}}}| s | r*td| ��|j� }|j� }|sBd}|rTdj||g�pV|}|d | | }|S )z4Normalize the URL to create a safe key for the cachez(Only absolute URIs are allowed. uri = %s�/�?z://)r � Exception�lower�join) �clsr �scheme� authority�path�query�fragment� request_uri� defrag_urir r r �_urlnorm* s zCacheController._urlnormc C s | j |�S )N)r+ )r# r r r r � cache_url> s zCacheController.cache_urlc C s2 t dft dft dfddddddddt dfd� }|jd|jdd��}i }x�|jd�D ]�}|j� s`qR|jdd �}|d j� }y|| \}} W n" tk r� tjd |� wRY nX | s�| r�d ||< |rRy||d j� �||< W qR tk �r | �r tjd |� Y qR tk �r( tjd ||j � Y qRX qRW |S )NTF) zmax-agez max-stalez min-freshzno-cachezno-storez no-transformzonly-if-cachedzmust-revalidate�public�privatezproxy-revalidatezs-maxagez cache-controlz Cache-Control� �,�=r r z,Ignoring unknown cache-control directive: %sz-Missing value for cache-control directive: %sz8Invalid value for cache-control directive %s, must be %s)NF)NF)NF)NF)NF)NF)NF)NF) �int�get�split�strip�KeyError�logger�debug� IndexError� ValueError�__name__) r �headers�known_directives� cc_headers�retval� cc_directive�parts� directive�typ�requiredr r r �parse_cache_controlB sP z#CacheController.parse_cache_controlc C s4 | j |j�}tjd|� | j|j�}d|kr:tjd� dS d|kr\|d dkr\tjd� dS | jj|�}|dkr~tjd � dS | jj ||�}|s�tj d � dS |j d kr�d }tj|� |S t |j�}| s�d |k�r d|kr�tjd� | jj |� tjd� dS tj� }tjt|d ��} td|| �} tjd| � | j|�} d} d| k�rb| d } tjd| � nDd|k�r�t|d �} | dk �r�tj| �| }td|�} tjd| � d|k�r�|d } tjd| � d|k�r�|d }| |7 } tjd| � | | k�rtjd� tjd| | � |S d|k�r0tjd� | jj |� dS )ze Return a cached response if it exists in the cache, otherwise return False. z Looking up "%s" in the cachezno-cachez-Request header has "no-cache", cache bypassedFzmax-ager z1Request header has "max_age" as 0, cache bypassedNzNo cache entry availablez1Cache entry deserialization failed, entry ignoredi- zVReturning cached "301 Moved Permanently" response (ignoring date and etag information)�date�etagz(Purging cached response: no date or etagz!Ignoring cached response: no datez Current age based on date: %iz#Freshness lifetime from max-age: %i�expiresz#Freshness lifetime from expires: %iz+Freshness lifetime from request max-age: %iz min-freshz'Adjusted current age from min-fresh: %iz2The response is "fresh", returning cached responsez%i > %iz4The cached response is "stale" with no etag, purging)r, �urlr7 r8 rE r< r r3 r �loads�warning�statusr �delete�time�calendar�timegmr �max)r �requestr, �cc� cache_data�resp�msgr< �nowrF � current_age�resp_cc�freshness_lifetimerH � expire_time� min_freshr r r �cached_requestx sv z CacheController.cached_requestc C s` | j |j�}| jj|| jj|��}i }|r\t|j�}d|krH|d |d< d|kr\|d |d< |S )NrG �ETagz If-None-Matchz last-modifiedz Last-ModifiedzIf-Modified-Since)r, rI r rJ r r3 r r< )r rR r, rU � new_headersr< r r r �conditional_headers� s z#CacheController.conditional_headersc C s |p| j }|j|kr(tjd|j|� dS t|j�}|dk rfd|krf|d j� rft|d �t|�krfdS | j |j�}| j |�}| j |j �} tjd| � d} d|kr�d} tjd� d|kr�d} tjd � | r�| j j | �r�tjd � | j j| � | r�dS d |j d d �k�rtjd� dS | j�rLd|k�rLtjd� | j j| | jj|||d�� n�|jdk�r|tjd� | j j| | jj||�� n�d|k�r d|k�r�|d dk�r�tjd� | j j| | jj|||d�� n:d|k�r |d �r tjd� | j j| | jj|||d�� dS )zc Algorithm for caching requests. This assumes a requests Response object. zStatus code %s not in %sNzcontent-lengthz&Updating cache with response from "%s"Fzno-storeTz Response header has "no-store"z Request header has "no-store"z0Purging existing cache entry to honor "no-store"�*�varyr/ z Response header has "Vary: *"rG zCaching due to etag)�bodyi- zCaching permanant redirectrF zmax-ager z'Caching b/c date exists and max-age > 0rH z Caching b/c of expires header)r rL r7 r8 r r< �isdigitr2 �lenrE r, rI r r3 rM r �setr �dumps) r rR �responserc r r �response_headers�cc_reqrS r, �no_storer r r �cache_response� s^ z CacheController.cache_responsec sv | j |j�}| jj|| jj|��}|s*|S dg� |jjt� fdd�|jj � D ��� d|_ | jj || jj ||�� |S )z�On a 304 we will get a new set of headers that we want to update our cached value with, assuming we have one. This should only ever be called when we've sent an ETag and gotten a 304 as the response. zcontent-lengthc 3 s& | ] \}}|j � � kr||fV qd S )N)r! )�.0�k�v)�excluded_headersr r � <genexpr>l s z9CacheController.update_cached_response.<locals>.<genexpr>r ) r, rI r rJ r r3 r< �update�dict�itemsrL rf rg )r rR rh r, �cached_responser )rp r �update_cached_responseR s z&CacheController.update_cached_response)NTNN)NN) r; � __module__� __qualname__�__doc__r � classmethodr+ r, rE r] r` rl rv r r r r r s 6o [r )ry �logging�rerO rN � email.utilsr Z pip._vendor.requests.structuresr r r � serializer � getLoggerr; r7 �compiler r �objectr r r r r �<module> s