o ]f- @slddlZddlZddlZGdddZ GdddeZGdddeZGdd d eZGd d d eZdS) Nc @seZdZdZdejddfddZejfdede j d eddfd d Z de j de j fd d Z ejfde j d edefddZdede j fddZdS)BaseSerializerzThis is the base interface for all default serializers. BaseSerializer.load and BaseSerializer.dump will default to pickle.load and pickle.dump. This is currently used only by FileSystemCache which dumps/loads to/from a file stream. ereturnNcCstd|dS)Nz:An exception has been raised during a pickling operation: )loggingwarning)selfrrM/home/ubuntu/webapp/venv/lib/python3.10/site-packages/cachelib/serializers.py_warnszBaseSerializer._warnvaluefprotocolc CsNz t|||WdStjtjfy&}z ||WYd}~dSd}~wwN)pickledump PickleError PicklingErrorr )rr r r rrrr rs zBaseSerializer.dumpc CDzt|}W|Stjy!}z ||WYd}~dSd}~wwr)rloadrr )rr datarrrr r  zBaseSerializer.loadc CsLz t||}W|Stjtjfy%}z ||WYd}~|Sd}~wwr)rdumpsrrr )rr r serializedrrrr r)szBaseSerializer.dumpsbvaluec Crr)rloadsrr )rrrrrrr r0rzBaseSerializer.loads)__name__ __module__ __qualname____doc__rrr HIGHEST_PROTOCOLint_tIOrBinaryIOAnyrbytesrrrrrr rs"  rc@eZdZdZdS)UWSGISerializerz"Default serializer for UWSGICache.Nrrrrrrrr r'Cr'c@r&)SimpleSerializerz#Default serializer for SimpleCache.Nr(rrrr r*Gr)r*c@r&)FileSystemSerializerz'Default serializer for FileSystemCache.Nr(rrrr r+Kr)r+c@sHeZdZdZejfdejdede fddZ dej e dejfddZ d S) RedisSerializerz"Default serializer for RedisCache.r r rcCsdt||S)zDumps an object into a string for redis. By default it serializes integers as regular string and pickle dumps everything else. !)rr)rr r rrr rRszRedisSerializer.dumpscCsd|durdS|dr!z t|ddWStjy YdSwzt|WSty1|YSw)zUThe reversal of :meth:`dump_object`. This might be called with None. Nr-) startswithrrrr ValueError)rr rrr rXs   zRedisSerializer.loadsN) rrrrrrr!r$r r%rOptionalrrrrr r,Osr,) rrtypingr!rr'r*r+r,rrrr s4