o vh @sddlmZddlmZddlmZddlmZddlmZddl m Z ddl m Z m Z dd lmZmZdd lmZmZmZGd d d ZGd ddeZddZddZGdddZdS))copy)settings)ImageFieldFile)hashers)get_default_cachefile_backend) load_strategy)AlreadyRegistered MissingSource)generator_registryregister) get_by_qname open_image process_imagec@s8eZdZdZdZ dZ ejZ ddZ ddZ e Z dS) BaseImageSpecz_ An object that defines how an new image should be generated from a source image. NcCs|jpt|_t|j|_dSN)cachefile_backendrrcachefile_strategyselfrU/var/www/html/hyperkenya/venv/lib/python3.10/site-packages/imagekit/specs/__init__.py__init__'szBaseImageSpec.__init__cCstr)NotImplementedErrorrrrrgenerate+szBaseImageSpec.generate) __name__ __module__ __qualname____doc__cachefile_storagerr#IMAGEKIT_DEFAULT_CACHEFILE_STRATEGYrrrr rrrrrsrcsveZdZdZgZ dZ dZ dZ fddZe ddZ e dd Z e j d d Z d d Z d dZddZZS) ImageSpecz An object that defines how to generate a new image from a source file using PIL-based processors. (See :mod:`imagekit.processors`) NTcs||_tdSr)sourcesuperrrr" __class__rrrXszImageSpec.__init__cCs|jsdSttjd}||S)Nnamer)r"r rIMAGEKIT_SPEC_CACHEFILE_NAMER)rfnrrrcachefile_name\s zImageSpec.cachefile_namecCs@t|dd}|st|dd}|rt|d|d}|_|`|S)N_source _field_datainstanceattname)getattrr+r,)rsrc field_datarrrr"cs  zImageSpec.sourcecCs ||_dSr)r+)rvaluerrrr"ms cCsNt|j}t|jtr%|jj}t|jddt|ddd|d<|dd|S)Nr-name)r-r.r,r+)r__dict__ isinstancer"rfieldr/pop)rstater6rrr __getstate__qs     zImageSpec.__getstate__cCs t|jj|j|j|j|jgSr)rpickler"r3 processorsformatoptions autoconvertrrrrget_hashszImageSpec.get_hashcCst|js td||jj}|r|jzt|j}t||j|j|j|j d}W|r/|j |S|r9|j ww)Nz4The spec '%s' has no source file associated with it.)r;r<r>r=) r"r closedopenrrr;r<r>r=close)rr@img new_imagerrrrs*    zImageSpec.generate)rrrrr;r<r=r>rpropertyr*r"setterr9r?r __classcell__rrr%rr!6s(     r!cs"Gfdddt}td|fS)NcseZdZfddZdS)z*create_spec_class..DynamicSpecBasecs6z|j}Wn ty|j}Ynw|}t|ffSr)r9AttributeErrorr4 create_spec)rgetstater8 class_attrsrr __reduce__s    z5create_spec_class..DynamicSpecBase.__reduce__N)rrrrMrrKrrDynamicSpecBasesrN DynamicSpec)r!type)rLrNrrKrcreate_spec_classs rQcCsDt|}||}z|j}Wn ty||_Y|Sw|||Sr)rQ__new__ __setstate__rHr4)rLr8clsr-setstaterrrrIs   rIc@s*eZdZdZd ddZddZddZdS) SpecHostzh An object that ostensibly has a spec attribute but really delegates to the spec registry. NcKsFdd|D}|r|rtdt|}||_|r!||dSdS)NcSsi|] \}}|dur||qSrr).0kvrrr sz%SpecHost.__init__..z^You can provide either an image spec or arguments for the ImageSpec constructor, but not both.)items TypeErrorrQ_original_spec set_spec_id)rspecspec_idkwargs spec_attrsrrrrszSpecHost.__init__cCs:||_|jrz t||jWdStyYdSwdS)a[ 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)r`r]r generatorr )ridrrrr^s  zSpecHost.set_spec_idcCs(t|dds td|tj|j|dS)a  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. r`NzObject %s has no spec id.)r")r/ Exceptionr getr`r$rrrget_specs  zSpecHost.get_spec)NN)rrrrrr^rgrrrrrVs   rVN)r django.confrdjango.db.models.fields.filesrrcachefiles.backendsrcachefiles.strategiesr exceptionsr r registryr r utilsr rrrr!rQrIrVrrrrs     (v