U #5iSR@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)iicCsNztj|}Wntk r.t|}YnX|s>d|}t|ddS)Nzdecoder error z when reading image file)rcoreZgetcodecstatusAttributeErrorERRORSgetOSError)errormessager1/tmp/pip-unpacked-wheel-eypja6ja/PIL/ImageFile.py raise_oserror<s rcCs|dS)Nr)trrr _tilesortFsrcsReZdZdZdfdd 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__rrrSs>     zImageFile.__init__cCs,|jr |jS|jdk r(tj|jSdSN)rformatrZMIMEr upperr/rrrget_format_mimetypes zImageFile.get_format_mimetypecCs|jr|jd|_dS)zCheck file integrityN)r#r!r.r6rrrverifys 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 \}} 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_READrZ map_bufferr,imZpaletteZdirty ImportError load_preparesortrZ tile_prefix itertoolsgroupby _getdecoderrcleanupsetimagepulls_fdsetfddecoderr%r)r LOAD_TRUNCATED_IMAGESrload_endr#Z!_close_exclusive_fp_after_loadingr.r)r/ZpixelZuse_mmaprrKrMZ decoder_nameextentsoffsetargsrNr!Zerr_codeprefixdecoderstatusbsenrrrrEs      "        zImageFile.loadcCsP|jr"|jj|jks"|jj|jkr6tj|j|j|_|jdkrLtj|dS)NP)rPr+r,rrnewrEr6rrrrRs" zImageFile.load_preparecCsdSr3rr6rrrr]szImageFile.load_endcCsB||jks.t|dr|jdks6||j|jkr6td||kS)N _n_framesz attempt to seek outside sequence)rrHrjZn_framesr(tell)r/framerrr _seek_check(s zImageFile._seek_check)NN) __name__ __module__ __qualname____doc__rr7r8rErRr]rm __classcell__rrr1rrPs/  rc@s(eZdZdZddZddZddZdS) StubImageFilez Base class for stub image loaders. 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Nrt)r/bufferrrrr[as zPyDecoder.decodecCsdS)zV Override to perform decoder specific cleanup :returns: None Nrr6rrrrWlszPyDecoder.cleanupcCs ||_dS)z Called from ImageFile to set the python file-like object :param fd: A python file-like object :returns: None N)r)r/rrrrrZtszPyDecoder.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 decoder :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)rPr,rrrrr ValueError)r/rPr^Zx0Zy0x1y1rrrrX}s"    zPyDecoder.setimagecCsd|s |j}t|jd|}||j|j||}|ddkrLtd|ddkr`tddS)a Convenience method to set the internal image from a stream of raw data :param data: Bytes to be set :param rawmode: The rawmode to be used for the decoder. 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