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NrrFr#rorm)finishedrrr,minrjrrrioBytesIOrr=rrkr8r{rrHr:rrw) rLrskiprrr>rwflagdoarrrfeedsX         z Parser.feedcCs|SrQrrUrrr __enter__rzParser.__enter__r-objectcGs |dSrQ)rKrLr-rrr__exit__s zParser.__exit__c Cs|jr|dd|_|_|jsd}t||js d}t||jrOt|j}z t ||_W|j n|j wWd|jS1sJwY|jS)a (Consumer) Close the stream. :returns: An image object. :exception OSError: If the parser failed to parse the image file either because it cannot be identified or cannot be decoded. raNzimage was incompletezcannot parse this image) rrrrrrrrrr=rh)rLrr>rrrrKs$   z Parser.closer)r-rrrY)r.r/r0r incrementalrr1rrr,rrrrrrKrrrrrs   L  rrYc Cs|t|ds d|_|jtdtt||jdd}z|}| t |||||Wnt t j fyM}zt ||||d|WYd}~nd}~wwt|drY| dSdS)zHelper to save image based on tile list :param im: Image object. :param fp: File object. :param tile: Tile list. :param bufsize: Optional buffer size encoderconfigrr_rNflush)rhrkrr|r&maxr;rIrtr _encode_tilerrUnsupportedOperation)rwr>r8bufsizefhexcrrr_saves     rr8 list[_Tile]c Cs|D]c\}}}} |dkr||t|j|| |j} zE| |j|| jr2| || d} n|rJ | |dd\} } | | | rHnq5n| ||} | dkr[t | dd|W| q| wdS)NrrTr#)rpr _getencoderrHrrrw pushes_fdrencode_to_pyfdencodewriteencode_to_filerr) rwr>r8rrr encoder_namer+r,r-rerrcoderrrrr,s.    rcCs|dkrdS|tkr||}t||krd}t||Sg}|}|dkr?|t|t}|s0n|||t|8}|dks%tdd|D|krPd}t|d|S)a Reads large blocks in a safe way. 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SAFEBLOCKrnrjrrappendsumjoin)r>rIrrremaining_sizeblockrrr _safe_readGs*      rc@s eZdZd ddZd ddZdS) PyCodecStaterrYcCsd|_d|_d|_d|_dS)Nr)xsizeysizexoffyoffrUrrrr5ks zPyCodecState.__init__r*cCs |j|j|j|j|j|jfSrQ)rrrrrUrrrr+qs zPyCodecState.extentsNr)rr*)r.r/r0r5r+rrrrrjs rc@sDeZdZUded<ddZddZdd d Zd d ZddddZd S)PyCodeczIO[bytes] | NonefdcGs(d|_t|_d|_||_||dSrQ)rwrrXrrHinit)rLrHr-rrrr5xs zPyCodec.__init__cC ||_dS)z Override to perform codec specific initialization :param args: Array of args items from the tile entry :returns: None N)r-rrrrr z PyCodec.initrrYcCsdS)zT Override to perform codec specific cleanup :returns: None NrrUrrrrszPyCodec.cleanupcCr)z Called from ImageFile to set the Python file-like object :param fd: A Python file-like object :returns: None N)r)rLrrrrrrz PyCodec.setfdNr+ tuple[int, int, int, int] | NonecCs||_|r |\}}}}nd\}}}}|dkr%|dkr%|jj\|j_|j_n||j_||j_|||j_|||j_|jjdksE|jjdkrKd}t||jj|jj|jjdksg|jj|jj|jjdkrmd}t|dS)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)rwrIrXrrrr ValueError)rLrwr+x0y0x1y1rrrrrs$    zPyCodec.setimagerrQ)r+rrrY) r.r/r0r1r5rrrrrrrrrus   rc@s8eZdZdZdZedddZdd d ZddddZd S) PyDecoderz Python implementation of a format decoder. 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