U Zf- @sjddlZddlZddlZGdddZGdddeZGdddeZGdd d eZGd d d eZdS) Nc@s~eZdZdZejddddZejfee j eddddZ e j e j d d d Zejfe j eed d dZee j dddZdS)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. N)ereturncCstd|dS)Nz:An exception has been raised during a pickling operation: )loggingwarning)selfrr8/tmp/pip-unpacked-wheel-7m7iy3r0/cachelib/serializers.py_warnszBaseSerializer._warn)valuefprotocolrc CsLzt|||Wn4tjtjfk rF}z||W5d}~XYnXdSN)pickledump PickleError PicklingErrorr )rr r r rrrr rszBaseSerializer.dump)r rc CsLzt|}Wn4tjk rB}z||WYdSd}~XYnX|SdSr)rloadrr )rr datarrrr rs  zBaseSerializer.loadr r rc CsJzt||}Wn4tjtjfk rD}z||W5d}~XYnX|Sr)rdumpsrrr )rr r Z serializedrrrr r)s zBaseSerializer.dumps)bvaluerc CsLzt|}Wn4tjk rB}z||WYdSd}~XYnX|SdSr)rloadsrr )rrrrrrr r0s  zBaseSerializer.loads)__name__ __module__ __qualname____doc__rrr HIGHEST_PROTOCOLint_tIOrBinaryIOAnyrbytesrrrrrr rs rc@seZdZdZdS)UWSGISerializerz"Default serializer for UWSGICache.Nrrrrrrrr r$Csr$c@seZdZdZdS)SimpleSerializerz#Default serializer for SimpleCache.Nr%rrrr r&Gsr&c@seZdZdZdS)FileSystemSerializerz'Default serializer for FileSystemCache.Nr%rrrr r'Ksr'c@sBeZdZdZejfejee dddZ ej e ejdddZ dS) RedisSerializerz"Default serializer for RedisCache.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.dumps)r rcCsl|dkr dS|drDzt|ddWStjk rBYdSXz t|WStk rf|YSXdS)zUThe reversal of :meth:`dump_object`. This might be called with None. Nr)) startswithrrrr ValueError)rr rrr rXs  zRedisSerializer.loadsN) rrrrrrrr"rr#rOptionalrrrrr r(Osr() rrtypingrrr$r&r'r(rrrr s=