ó P'—^c@sddlmZddlmZddlmZddlmZddlmZddl m Z ddl m Z m Z dd lmZmZmZdd lmZmZd efd „ƒYZd efd„ƒYZd„Zd„Zdefd„ƒYZdS(iÿÿÿÿ(tcopy(tsettings(tImageFieldFilei(tget_default_cachefile_backend(t load_strategy(thashers(tAlreadyRegisteredt MissingSource(t open_imaget get_by_qnamet process_image(tgenerator_registrytregistert BaseImageSpeccBs;eZdZdZdZejZd„Z d„Z e Z RS(s_ An object that defines how an new image should be generated from a source image. cCs+|jptƒ|_t|jƒ|_dS(N(tcachefile_backendRRtcachefile_strategy(tself((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyt__init__%scCs t‚dS(N(tNotImplementedError(R((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pytgenerate)sN( t__name__t __module__t__doc__tNonetcachefile_storageRRt#IMAGEKIT_DEFAULT_CACHEFILE_STRATEGYRRRR(((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyR s   t ImageSpeccBszeZdZgZdZdZeZd„Z e d„ƒZ e d„ƒZ e j d„ƒZ d„Zd„Zd„ZRS( s‘ An object that defines how to generate a new image from a source file using PIL-based processors. (See :mod:`imagekit.processors`) cCs ||_tt|ƒjƒdS(N(tsourcetsuperRR(RR((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRVs cCs)|js dSttjdƒ}||ƒS(Ntnamer(RRR RtIMAGEKIT_SPEC_CACHEFILE_NAMER(Rtfn((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pytcachefile_nameZs cCs^t|ddƒ}|sZt|ddƒ}|rZt|d|dƒ}|_|`qZn|S(Nt_sourcet _field_datatinstancetattname(tgetattrRR!R"(Rtsrct field_data((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRas cCs ||_dS(N(R!(Rtvalue((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRkscCs}t|jƒ}t|jtƒryt|jdƒ}it|jddƒd6t|ddƒd6|d<|jddƒn|S(NtfieldR#tnameR$R"R!(Rt__dict__t isinstanceRRR%Rtpop(RtstateR)((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyt __getstate__os cCs.tj|jj|j|j|j|jgƒS(N(RtpickleRR*t processorstformattoptionst autoconvert(R((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pytget_hash„s  c Cs |jstd|ƒ‚nyt|jƒ}Wn-tk r^|jjƒt|jƒ}nXt|d|jd|jd|jd|j ƒ}|jj ƒ|S(Ns4The spec '%s' has no source file associated with it.R1R2R4R3( RRRt ValueErrortopenR R1R2R4R3tclose(Rtimgt new_image((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRs      N(RRRR1RR2R3tTrueR4RtpropertyR RtsetterR/R5R(((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyR4s     cs/dtf‡fd†ƒY}td|fˆƒS(NtDynamicSpecBasecseZ‡fd†ZRS(csCy |j}Wntk r)|j}n X|ƒ}tˆ|ffS(N(R/tAttributeErrorR+t create_spec(RtgetstateR.(t class_attrs(s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyt __reduce__¦s     (RRRC((RB(s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyR>¥st DynamicSpec(Rttype(RBR>((RBs9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pytcreate_spec_class£s cCsSt|ƒ}|j|ƒ}y |j}Wntk rD||_n X||ƒ|S(N(RFt__new__t __setstate__R?R+(RBR.tclsR#tsetstate((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyR@²s     tSpecHostcBs/eZdZddd„Zd„Zd„ZRS(sh An object that ostensibly has a spec attribute but really delegates to the spec registry. cKsitd„|jƒDƒƒ}|rF|r7tdƒ‚qFt|ƒ}n||_|re|j|ƒndS(Ncss-|]#\}}|dk r||fVqdS(N(R(t.0tktv((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pys Æss^You can provide either an image spec or arguments for the ImageSpec constructor, but not both.(tdicttitemst TypeErrorRFt_original_spect set_spec_id(Rtspectspec_idtkwargst spec_attrs((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRÄs cCsD||_|jr@ytj||jƒWq@tk r<q@XndS(s[ Sets the spec id for this object. Useful for when the id isn't known when the instance is constructed (e.g. for ImageSpecFields whose generated `spec_id`s are only known when they are contributed to a class). If the object was initialized with a spec, it will be registered under the provided id. N(RURRR t generatorR(Rtid((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRSÔs   cCs;t|ddƒs%td|ƒ‚ntj|jd|ƒS(s  Look up the spec by the spec id. We do this (instead of storing the spec as an attribute) so that users can override apps' specs--without having to edit model definitions--simply by registering another spec with the same id. RUsObject %s has no spec id.RN(R%Rt ExceptionR tgetRU(RR((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pytget_specêsN(RRRRRRSR\(((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyRK¾s N(Rt django.confRtdjango.db.models.fields.filesRtcachefiles.backendsRtcachefiles.strategiesRtRt exceptionsRRtutilsRR R tregistryR R tobjectR RRFR@RK(((s9/tmp/pip-unpacked-wheel-XxTEJK/imagekit/specs/__init__.pyts(o