a Qh[@sddlZddlZddlZddlZddlmZddlmZdZdZ dZ dd d d d d Z ddZ ddZ GdddejZGdddeZGdddZd&ddZd'ddZddZGdddZGd d!d!ZGd"d#d#eZGd$d%d%eZdS)(N)Image)is_pathiiFzimage buffer overrun errorzdecoding errorz unknown errorzbad configurationzout of memory error)icCsPztj|}Wnty,t|}Yn0|ssz"ImageFile.load..cSs|d|d|dfS)Nrrr?r)rrrrrCz ImageFile.load..zimage file is truncatedzimage file is truncated (z bytes not processed))4rrrloadmapr$lenhasattrsys load_readr r#read load_seekseekr- _MAPMODESmmapr"filenoZ ACCESS_READr.r map_bufferimpalettedirty ImportError load_preparesortrZ tile_prefix itertoolsgroupby _getdecoderrsetimagepulls_fdsetfddecoder!r'r+rLOAD_TRUNCATED_IMAGEScleanuprload_endr%!_close_exclusive_fp_after_loadingr0r)r1rZpixelZuse_mmaprrOrQ decoder_nameextentsoffsetargsrSr#Zerr_codeprefixdecoderbsenrrrrIs        8"          zImageFile.loadcCsP|jr"|jj|jks"|jj|jkr6tj|j|j|_|jdkrLtj|dS)NP)rVr-r.rr newrIr9rrrrZ$s" zImageFile.load_preparecCsdSr5rr9rrrre,szImageFile.load_endcCsF||jks.t|dr|jdus:||j|jkr:d}t|||kS)N _n_framesz attempt to seek outside sequence)rrLrsZn_framesr*tell)r1framerrrr _seek_check8s zImageFile._seek_check)NN) __name__ __module__ __qualname____doc__rr:r;r=rIrZrerv __classcell__rrr3rrUs0    rc@s(eZdZdZddZddZddZdS) StubImageFilez Base class for stub image loaders. 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