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Editing: heuristics.cpython-35.pyc
��Re� � @ s� d d l Z d d l Z d d l m Z m Z m Z d d l m Z m Z d Z d d d � Z d d � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z d S)� N)� formatdate� parsedate� parsedate_tz)�datetime� timedeltaz%a, %d %b %Y %H:%M:%S GMTc C s | p t j � } | | S)N)r �utcnow)�delta�date� r ��/builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/cachecontrol/heuristics.py� expire_after s r c C s t t j | j � � � S)N)r �calendar�timegm� timetuple)�dtr r r �datetime_to_header s r c @ s4 e Z d Z d d � Z d d � Z d d � Z d S)� BaseHeuristicc C s d S)a! Return a valid 1xx warning header value describing the cache adjustments. The response is provided too allow warnings like 113 http://tools.ietf.org/html/rfc7234#section-5.5.4 where we need to explicitly say response is over 24 hours old. z110 - "Response is Stale"r )�self�responser r r �warning s zBaseHeuristic.warningc C s i S)z�Update the response headers with any new headers. NOTE: This SHOULD always include some Warning header to signify that the response was cached by the client, not by way of the provided headers. r )r r r r r �update_headers! s z BaseHeuristic.update_headersc C sZ | j | � } | rV | j j | � | j | � } | d k rV | j j d | i � | S)N�Warning)r �headers�updater )r r Zupdated_headersZwarning_header_valuer r r �apply* s zBaseHeuristic.applyN)�__name__� __module__� __qualname__r r r r r r r r s r c @ s" e Z d Z d Z d d � Z d S)� OneDayCachezM Cache the response by providing an expires 1 day in the future. c C sq i } d | j k rm t | j d � } t t d d � d t | d d � � �} t | � | d <d | d <| S)N�expiresr �days� � �publicz cache-control)r r r r r r )r r r r r r r r r < s + zOneDayCache.update_headersN)r r r �__doc__r r r r r r 6 s r c @ s: e Z d Z d Z d d � Z d d � Z d d � Z d S) � ExpiresAfterz; Cache **all** requests for a defined time period. c K s t | � | _ d S)N)r r )r �kwr r r �__init__L s zExpiresAfter.__init__c C s% t | j � } d t | � d d i S)Nr z cache-controlr# )r r r )r r r r r r r O s zExpiresAfter.update_headersc C s d } | | j S)Nz:110 - Automatically cached for %s. Response might be stale)r )r r �tmplr r r r S s zExpiresAfter.warningN)r r r r$ r' r r r r r r r% G s r% c @ sU e Z d Z d Z d d d d d d d d d d d h Z d d � Z d d � Z d S)� LastModifieda� If there is no Expires header already, fall back on Last-Modified using the heuristic from http://tools.ietf.org/html/rfc7234#section-4.2.2 to calculate a reasonable value. Firefox also does something like this per https://developer.mozilla.org/en-US/docs/Web/HTTP/Caching_FAQ http://lxr.mozilla.org/mozilla-release/source/netwerk/protocol/http/nsHttpResponseHead.cpp#397 Unlike mozilla we limit this to 24-hr. �� �� �� �� i, i- i� i� i� i� i� c C s7 | j } d | k r i Sd | k r9 | d d k r9 i S| j | j k rO i Sd | k sg d | k rk i St j t | d � � } t | d � } | d k s� | d k r� i St j � } t d | | � } | t j | � } t d t | d d � � } | | k ri S| | } d t j t t j | � � i S) Nr z cache-controlr# r z last-modifiedr � � i i�Q ) r �status� cacheable_by_default_statusesr r r r �time�max�min�strftime�TIME_FMT�gmtime) r �respr r Z last_modified�now� current_ager �freshness_lifetimer r r r r h s* zLastModified.update_headersc C s d S)Nr )r r8 r r r r � s zLastModified.warningN)r r r r$ r1 r r r r r r r) X s ' r) )r r2 � email.utilsr r r r r r6 r r �objectr r r% r) r r r r �<module> s "
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