U ŽbX@sddlZddlZddlZddlZddlmZddlmZdZdZ dZ dd d d d d Z ddZ ddZ GdddejZGdddeZGdddZd$ddZddZGdddZGdddZGd d!d!eZGd"d#d#eZdS)%N)Image)isPathiiFzimage buffer overrun errorzdecoding errorz unknown errorzbad configurationzout of memory error)icCsNztj|}Wntk r.t|}YnX|s>d|}t|ddS)Nzdecoder error z when reading image file)rcoreZgetcodecstatusAttributeErrorERRORSgetOSError)errormessager1/tmp/pip-unpacked-wheel-_wxctax1/PIL/ImageFile.py raise_oserror@s rcCs|dS)Nr)trrr _tilesortJsrcsReZdZdZdfdd ZddZddZd d Zd d Zd dZ ddZ Z S) ImageFilez*Base class for image file format handlers.Nc std|_d|_d|_d|_d|_t|_t |rPt |d|_ ||_ d|_ n||_ ||_ d|_ zfz |Wn8tttttjfk r}zt||W5d}~XYnX|jr|jddkrtdWn&tk r|j r|j YnXdS)NrrrrbTznot identified by this driver)super__init__ _min_framecustom_mimetypetilereadonly decoderconfigMAXBLOCKdecodermaxblockropenfpfilename _exclusive_fp_open IndexError TypeErrorKeyErrorEOFErrorstructr SyntaxErrormodesize BaseExceptionclose)selfr"r#v __class__rrrWs>     zImageFile.__init__cCs,|jr |jS|jdk r(tj|jSdSN)rformatrZMIMEr upperr0rrrget_format_mimetypes zImageFile.get_format_mimetypecCs|jr|jd|_dS)zCheck file integrityN)r$r"r/r7rrrverifys zImageFile.verifyc Csz|jdkrtdtj|}|js(|Sd|_|jo@t|jdk}|oPttd }d}z|j }d}Wnt k r|j j }YnXz|j }d}Wnt k r|j j}YnX|r|jd\}}}} |dkrt| dkr| d|jkr| dtjkrzhddl} t|j} | j| d| jd |_W5QRXtj|j|j||| |_d}|jrdd|j_Wn"t ttfk rd|_YnX|d } |js|jjtd z |j} Wnt k rd } YnXd dt !|jddD|_|jD] \}}}} ||t"|j|| |j#}z|%|j||j&rT|'|j |(d d} n| }z||j)}WnFt*t+j,fk r}z t-rWYqn td|W5d}~XYnX|st-rqntdt|d||}|(|\}} |dkrq||d}qXW5|$Xqg|_||_.|/|j0rH|j1rH|j 2d|_ |jsnt-sn| dkrnt3| tj|S)z"Load image data based on tile listNzcannot load this imagerpypy_version_inforFraw)accessrkeycSsg|]\}}t|dqS)r)list).0_Ztilesrrr sz"ImageFile.load..cSs|d|d|dfS)Nrrr<r)rrrrr@z ImageFile.load..zimage file is truncatedzimage file is truncated (z bytes not processed))4rr rloadmapr#lenhasattrsys load_readr r"read load_seekseekr,Z _MAPMODESmmapr!filenoZ ACCESS_READr Z map_bufferr-imZpaletteZdirty ImportError load_preparesortrZ tile_prefix itertoolsgroupby _getdecoderrcleanupsetimagepulls_fdsetfddecoder r&r*rLOAD_TRUNCATED_IMAGESrload_endr$Z!_close_exclusive_fp_after_loadingr/r)r0ZpixelZuse_mmaprrLrNZ decoder_nameextentsoffsetargsrOr"Zerr_codeprefixdecoderbsenrrrrFs      "        zImageFile.loadcCsP|jr"|jj|jks"|jj|jkr6tj|j|j|_|jdkrLtj|dS)NP)rQr,r-rr newrFr7rrrrSs" zImageFile.load_preparecCsdSr4rr7rrrr^ szImageFile.load_endcCsB||jks.t|dr|jdks6||j|jkr6td||kS)N _n_framesz attempt to seek outside sequence)rrIrjZn_framesr)tell)r0framerrr _seek_check,s zImageFile._seek_check)NN) __name__ __module__ __qualname____doc__rr8r9rFrSr^rm __classcell__rrr2rrTs/  rc@s(eZdZdZddZddZddZdS) StubImageFilez Base class for stub image loaders. 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Nzcannot reuse parsers)datarwr7rrrresetcsz Parser.resetc Cs|jr dS|jdkr||_n |j||_|jr|jdkrztt|j|j}|j|d|_|j||_|jdksv|jszdS|j|j\}}|dkrd|_d|_|dkrd|_t|ndS|j|d|_n|jrnz&t |j}t |}W5QRXWnt k rYnXt|dp(t|d}|s@t|jdkrHd|_nv||jd\}}} } g|_t |j|| |j|_|j|j|| |_|jt|jkr|j|jd|_d|_||_dS)z (Consumer) Feed data to the parser. :param data: A string buffer. :exception OSError: If the parser failed to parse the image file. 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SAFEBLOCKrLrHr rappendsumjoin)r"r-r|Zremaining_sizeblockrrr _safe_reads$    rc@seZdZddZddZdS) PyCodecStatecCsd|_d|_d|_d|_dS)Nr)xsizeysizexoffyoffr7rrrr7szPyCodecState.__init__cCs |j|j|j|j|j|jfSr4)rrrrr7rrrr_=szPyCodecState.extentsN)rnrorprr_rrrrr6src@s6eZdZddZddZddZddZd d d Zd S) PyCodeccGs(d|_t|_d|_||_||dSr4)rQrstatefdr,init)r0r,rarrrrBs zPyCodec.__init__cCs ||_dS)z Override to perform codec specific initialization :param args: Array of args items from the tile entry :returns: None N)rarrrrrIsz PyCodec.initcCsdS)zT Override to perform codec specific cleanup :returns: None Nrr7rrrrXRszPyCodec.cleanupcCs ||_dS)z Called from ImageFile to set the Python file-like object :param fd: A Python file-like object :returns: None N)r)r0rrrrr[Zsz PyCodec.setfdNcCs||_|r|\}}}}n d\}}}}|dkrJ|dkrJ|jj\|j_|j_n(||j_||j_|||j_|||j_|jjdks|jjdkrtd|jj|jj|jjdks|jj|jj|jjdkrtddS)z Called from ImageFile to set the core output image for the codec :param im: A core image object :param extents: a 4 tuple of (x0, y0, x1, y1) defining the rectangle for this tile :returns: None )rrrrrzSize cannot be negativerz Tile cannot extend outside imageN)rQr-rrrrr ValueError)r0rQr_Zx0Zy0x1y1rrrrYcs"    zPyCodec.setimage)N)rnrorprrrXr[rYrrrrrAs   rc@s2eZdZdZdZeddZddZd dd ZdS) PyDecoderz Python implementation of a format decoder. 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