a !f[@sddlZddlZddlZddlZddlmZddlmZdZdZ dZ dd d d d d Z ddZ ddZ GdddejZGdddeZGdddZd&ddZd'ddZddZGdddZGd d!d!ZGd"d#d#eZGd$d%d%eZdS)(N)Image)is_pathiiFzimage buffer overrun errorzdecoding errorz unknown errorzbad configurationzout of memory error)icCsPztj|}Wnty,t|}Yn0|ssz"ImageFile.load..cSs|d|d|dfS)Nrrr?r)rrrrrCz ImageFile.load..zimage file is truncatedzimage file is truncated (z bytes not processed))4rr rloadmapr#lenhasattrsys load_readr r"read load_seekseekr,Z _MAPMODESmmapr!fileno ACCESS_READr-r Z map_bufferimpaletteZdirty ImportError load_preparesortrZ tile_prefix itertoolsgroupby _getdecoderrsetimagepulls_fdsetfddecoder r&r*rLOAD_TRUNCATED_IMAGEScleanuprload_endr$Z!_close_exclusive_fp_after_loadingr/r)r0rZpixelZuse_mmaprrOrQZ decoder_nameextentsoffsetargsrRr"Zerr_codeprefixdecoderbsenrrrrIs        8"          zImageFile.loadcCsP|jr"|jj|jks"|jj|jkr6tj|j|j|_|jdkrLtj|dS)NP)rUr,r-rr newrIr8rrrrX$s" zImageFile.load_preparecCsdSr4rr8rrrrc,szImageFile.load_endcCsF||jks.t|dr|jdus:||j|jkr:d}t|||kS)N _n_framesz attempt to seek outside sequence)rrLroZn_framesr)tell)r0framerrrr _seek_check8s zImageFile._seek_check)NN) __name__ __module__ __qualname____doc__rr9r:r<rIrXrcrr __classcell__rrr2rrUs0    rc@s(eZdZdZddZddZddZdS) StubImageFilez Base class for stub image loaders. 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