관리-도구
편집 파일: controller.cpython-39.pyc
a ��ReE7 � @ s� d Z ddlZddlZddlZddlZddlmZ ddlmZ ddl m Z ddl m Z e� e�Ze�d�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 �| ��� }|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-python39-pip-21.3.1-2.el8.x86_64/opt/alt/python39/lib/python3.9/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 u rt � n|| _|| _|p"t� | _|p,d| _d S )N)�� �� i, �- )r �cache� cache_etagsr � serializer�cacheable_status_codes)�selfr r r � status_codesr r r �__init__" s zCacheController.__init__c C sh t |�\}}}}}|r|s&td| ��|�� }|�� }|s>d}|rPd�||g�pR|}|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 | � |�S �N)r* )r" r r r r � cache_url> s zCacheController.cache_urlc C s" t dft dft dfddddddddt dfd� }|�d|�dd��}i }|�d�D ]�}|�� s^qP|�d d �}|d �� }z|| \}} W n" ty� t�d |� Y qPY n0 |r�| s�d ||< |rPz||d �� �||< W qP ty� | r�t�d |� Y qP t�y t�d||j � Y qP0 qP|S )NTF)NF) �max-agez max-stale� min-fresh�no-cache�no-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) �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 sV � �� z#CacheController.parse_cache_controlc C s0 | � |j�}t�d|� | �|j�}d|v r:t�d� dS d|v r\|d dkr\t�d� dS | j�|�}|du r~t�d � dS | j� ||�}|s�t� d � dS |j d kr�d }t�|� |S t |j�}|r�d |vr�d|vr�t�d� | j� |� t�d� dS t�� }t�t|d ��} td|| �} t�d| � | �|�} d} d| v �r^| d } t�d| � nDd|v �r�t|d �} | du�r�t�| �| }td|�} t�d| � d|v �r�|d } t�d| � d|v �r�|d }| |7 } t�d| � | | k�r t�d� t�d| | � |S d|v�r,t�d� | j� |� dS )ze Return a cached response if it exists in the cache, otherwise return False. z Looking up "%s" in the cacher/ z-Request header has "no-cache", cache bypassedFr- r z1Request header has "max_age" as 0, cache bypassedNzNo cache entry availablez1Cache entry deserialization failed, entry ignoredr 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: %ir. z'Adjusted current age from min-fresh: %iz2The response is "fresh", returning cached responsez%i > %iz4The cached response is "stale" with no etag, purging)r, �urlr; r< rI r@ r r7 r �loads�warning�statusr �delete�time�calendar�timegmr �max)r �requestr, �cc� cache_data�resp�msgr@ �nowrJ � current_age�resp_cc�freshness_lifetimerL � expire_time� min_freshr r r �cached_requestx sz � � z CacheController.cached_requestc C s` | � |j�}| j�|| j�|��}i }|r\t|j�}d|v rH|d |d< d|v r\|d |d< |S )NrK �ETagz If-None-Matchz last-modifiedz Last-ModifiedzIf-Modified-Since)r, rM r rN r r7 r r@ )r rV r, rY � new_headersr@ r r r �conditional_headers� s z#CacheController.conditional_headersc C s |p| j }|j|vr(t�d|j|� dS t|j�}|durfd|v rf|d �� rft|d �t|�krfdS | � |j�}| � |�}| � |j �} t�d| � d} d|v r�d} t�d� d|v r�d} t�d � | r�| j � | �r�t�d � | j �| � | r�dS d |� d d �v �rt�d� dS | j�rLd|v �rLt�d� | j �| | jj|||d�� n�|jdk�r|t�d� | j �| | j�||�� n�d|v �r d|v �r�|d dk�r�t�d� | j �| | jj|||d�� n:d|v �r |d �r t�d� | j �| | jj|||d�� dS )zc Algorithm for caching requests. This assumes a requests Response object. zStatus code %s not in %sN�content-lengthz&Updating cache with response from "%s"Fr0 Tz Response header has "no-store"z Request header has "no-store"z0Purging existing cache entry to honor "no-store"�*�varyr3 z Response header has "Vary: *"rK zCaching due to etag)�bodyr zCaching permanant redirectrJ r- r z'Caching b/c date exists and max-age > 0rL z Caching b/c of expires header)r rP r; r< r r@ �isdigitr6 �lenrI r, rM r r7 rQ r �setr �dumps) r rV �responserh r r �response_headers�cc_reqrW r, �no_storer r r �cache_response� sn � �� �� � � �z CacheController.cache_responsec sv | � |j�}| j�|| j�|��}|s*|S dg� |j�t� fdd�|j� � D ��� d|_ | j� || j� ||�� |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. re c 3 s& | ] \}}|� � � vr||fV qd S r+ )r )�.0�k�v��excluded_headersr r � <genexpr>k s �z9CacheController.update_cached_response.<locals>.<genexpr>r ) r, rM r rN r r7 r@ �update�dict�itemsrP rk rl )r rV rm r, �cached_responser ru r �update_cached_responseR s �� z&CacheController.update_cached_response)NTNN)NN) r? � __module__� __qualname__�__doc__r � classmethodr* r, rI ra rd rq r| r r r r r s � 6o [r )r �logging�rerS rR � email.utilsr Z pip._vendor.requests.structuresr r r � serializer � getLoggerr? r; �compiler r �objectr r r r r �<module> s