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To process multi-band images, use the :py:meth:`~PIL.Image.Image.split` method or :py:func:`~PIL.Image.merge` function. :param expression: A function that receives a dictionary. :param options: Values to add to the function's dictionary. You can either use a dictionary, or one or more keyword arguments. :return: The expression result. This is usually an image object, but can also be an integer, a floating point value, or a pixel tuple, depending on the expression. r )opscopyupdateitemshasattrr r r2)rrrargskvr:s r lambda_evalrs*88::DKKKKOOO ""1 1d   "qkkDG *T  Cv  s B B"!B"c  tt|t|zD]0}d|vst t |rd|d}t |1||D]'\}}t |drt||<(t|ddd fd  t j |d d tii} |j S#t$r|cYSwxYw)a Evaluates an image expression. This uses Python's ``eval()`` function to process the expression string, and carries the security risks of doing so. It is not recommended to process expressions without considering this. :py:meth:`~lambda_eval` is a more secure alternative. :py:mod:`~PIL.ImageMath` only supports single-layer images. To process multi-band images, use the :py:meth:`~PIL.Image.Image.split` method or :py:func:`~PIL.Image.merge` function. :param expression: A string containing a Python-style expression. :param options: Values to add to the evaluation context. You can either use a dictionary, or one or more keyword arguments. :return: The evaluated expression. This is usually an image object, but can also be an integer, a floating point value, or a pixel tuple, depending on the expression. __r. ' not allowedr zevalcoderrNonec|jD]+}t|tur |,|jD]!}|vr|dkrd|d}t|"dS)NrDr.r) co_conststypeco_namesr )rconstnamer%r compiled_codescans rrzunsafe_eval..scan9s^  EE{{d=1111U M & &D4DEMM-$--- oo% & &r __builtinsrDN)rrrr)rrlistkeysrbuiltinsr rrr compilerrDr r2) rrrrr%rr:rrrs @@@r unsafe_evalrsu288::D ',,.. ! !DOO 3"" 199!,,9&a&&&CS// !  KKKKOOO ""1 1d   "qkkDGJ F;;M&&&&&&&& D - \E3<$@$ G GCv  s;E EE_dictc @tdddt||fi|S)a1 Evaluates an image expression. Deprecated. Use lambda_eval() or unsafe_eval() instead. :param expression: A string containing a Python-style expression. :param _dict: Values to add to the evaluation context. You can either use a dictionary, or one or more keyword arguments. :return: The evaluated expression. This is usually an image object, but can also be an integer, a floating point value, or a pixel tuple, depending on the expression. .. deprecated:: 10.3.0 zImageMath.eval z.ImageMath.lambda_eval or ImageMath.unsafe_eval)r r)rrrs rrrKs9* 8 z5 / /B / //r)rr rr )rr rNr*rr )rr rr(rr )rrrrrrrr)rr(rrrrrr)rr(rrrrrr) __future__rrtypesrtypingrrrr _deprecater r rrrrrrrrrrrrIrrrs"#""""" !!!!!!!!!!!!!!h-h-h-h-h-h-h-h-X******** 33333333********++++   "   !     J!66666v0000000r