a EbSR@sddlZddlZddlZddlZddlmZddlmZdZdZ dZ dd d d d d Z ddZ ddZ GdddejZGdddeZGdddZd ddZddZGdddZGdddZdS)!N)Image)isPathiiFzimage buffer overrun errorzdecoding errorz unknown errorzbad configurationzout of memory error)iicCsLztj|}Wnty,t|}Yn0|s        zImageFile.__init__cCs,|jr |jS|jdur(tj|jSdSN)rformatrMIMEr upperr/rrrget_format_mimetypes zImageFile.get_format_mimetypecCs|jr|jd|_dS)zCheck file integrityN)r#r!r.r7rrrverifys zImageFile.verifyc Cs|jdurtdtj|}|js(|Sd|_|jo@t|jdk}|oPttd }d}z|j }d}Wnt y~|j j }Yn0z|j }d}Wnt y|j j}Yn0|r|jd\}}}} |dkrt| dkr| d|jkr| dtjvrz~ddl} t|j(} | j| d| jd |_Wdn1s>0Ytj|j|j||| |_d}|jrvd|j_Wn t ttfyd|_Yn0|d } |js8|jjtd z |j} Wnt yd } Yn0d dt !|jddD|_|jD]0\}}}} t"|j|| |j#}z|||$|j||j%rd|&|j |'d \}} n| }z||j(}WnLt)t*j+fy}z,t,rWYd}~qn td|WYd}~n d}~00|st,r֐qntdt|d||}|'|\}} |dkrq||d}qhW|-n |-0qg|_||_.|/|j0rf|j1rf|j 2d|_ |jst,s| dkrt3| tj|S)z"Load image data based on tile listNzcannot load this imagerpypy_version_inforFraw)accessrkeycSsg|]\}}t|dqS)r)list).0_Ztilesrrr sz"ImageFile.load..cSs|d|d|dfS)Nrrr<r)rrrrr@z 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_READrZ map_bufferr,impaletteZdirty ImportError load_preparesortrZ tile_prefix itertoolsgroupby _getdecoderrsetimagepulls_fdsetfddecoderr%r)r LOAD_TRUNCATED_IMAGEScleanuprload_endr#Z!_close_exclusive_fp_after_loadingr.r)r/ZpixelZuse_mmaprrLrNZ decoder_nameextentsoffsetargsrOr!Zerr_codeprefixdecoderstatusbsenrrrrFs        8          zImageFile.loadcCsP|jr"|jj|jks"|jj|jkr6tj|j|j|_|jdkrLtj|dS)NP)rRr+r,rrnewrFr7rrrrUs" zImageFile.load_preparecCsdSr3rr7rrrr`szImageFile.load_endcCsB||jks.t|dr|jdus6||j|jkr6td||kS)N _n_framesz attempt to seek outside sequence)rrIrmZn_framesr(tell)r/framerrr _seek_check(s zImageFile._seek_check)NN) __name__ __module__ __qualname____doc__rr8r9rFrUr`rp __classcell__rrr1rrPs/  rc@s(eZdZdZddZddZddZdS) StubImageFilez Base class for stub image loaders. 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