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NrrFr rjrh)finishedrrr)minrerrrioBytesIOrr:rrfr5rvr{rEr7r|rr) rIrskiprrr;rrflagdoarrrfeedsX         z Parser.feedcCs|SrMrrQrrr __enter__szParser.__enter__cGs |dSrM)rHrIr*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. r\Nzimage was incompletezcannot parse this image) rrrrrrrrrr:rc)rIrr;rrrrHs$   z Parser.close)r+r,r-r incrementalrr.rrr)rrrrrrHrrrrr|s  L rreturnNonec 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 encoderconfigrrZrNflush)rcrfrrwr#maxr8rFror _encode_tilerrUnsupportedOperation)rrr;r5bufsizefhexcrrr_saves     rr5 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 )rkr _getencoderrErr|rr pushes_fdr~encode_to_pyfdencodewriteencode_to_filerr) rrr;r5rrr 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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SAFEBLOCKrirerrappendsumjoin)r;rFrrremaining_sizeblockrrr _safe_read<s*      rc@seZdZddZddZdS) PyCodecStatecCsd|_d|_d|_d|_dS)Nr)xsizeysizexoffyoffrQrrrr2`s zPyCodecState.__init__cCs |j|j|j|j|j|jfSrM)rrrrrQrrrr'fs zPyCodecState.extentsN)r+r,r-r2r'rrrrr_s rc@s@eZdZUded<ddZddZddZd d Zdd d Zd S)PyCodeczIO[bytes] | NonefdcGs(d|_t|_d|_||_||dSrM)rrrrTrrEinit)rIrEr*rrrr2ms 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*rrrrrt z PyCodec.initcCsdS)zT Override to perform codec specific cleanup :returns: None NrrQrrrr}szPyCodec.cleanupcCr)z Called from ImageFile to set the Python file-like object :param fd: A Python file-like object :returns: None N)r)rIrrrrr~rz PyCodec.setfdNcCs||_|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)rrrFrTrrrr ValueError)rIrrr'x0y0x1y1rrrrr|s$    zPyCodec.setimagerM) r+r,r-r.r2rrr~r|rrrrrjs   rc@s4eZdZdZdZeddZddZddd d ZdS) PyDecoderz Python implementation of a format decoder. 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