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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. Deprecated. You can instead use one or more keyword arguments. :param **kw: Values to add to the function's dictionary. :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. zImageMath.lambda_eval options z'ImageMath.lambda_eval keyword arguments) r opscopyupdateitemsrrr rr)) expressionoptionskwargskvr3s r lambda_evalrs* +  5 88:DKKKKO "1 a %qkDG" T Cvv  s B B*)B*c  |r tdddtjt|j t|j zD]'}d|vst t |sd|d}t|j|j|jD].\}}t|tjs!t||<0t|ddd  fd  t j|d d tii} |j S#t"$r|cYSwxYw) a Evaluates an image expression. This uses Python's ``eval()`` function to process the expression string, and carries the security risks of doing so. It is not recommended to process expressions without considering this. :py:meth:`~lambda_eval` is a more secure alternative. :py:mod:`~PIL.ImageMath` only supports single-layer images. To process multi-band images, use the :py:meth:`~PIL.Image.Image.split` method or :py:func:`~PIL.Image.merge` function. :param expression: A string containing a Python-style expression. :param options: Values to add to the evaluation context. Deprecated. You can instead use one or more keyword arguments. :param **kw: Values to add to the evaluation context. :return: The evaluated expression. This is usually an image object, but can also be an integer, a floating point value, or a pixel tuple, depending on the expression. zImageMath.unsafe_eval optionsrz'ImageMath.unsafe_eval keyword arguments__r& ' not allowedzevalc|jD]!}t|tus|#|jD]}|vs|dk7sd|d}t|y)Nr<r&r) co_conststypeco_namesr)codeconstnamer"r compiled_codescans rrzunsafe_eval..scanDsi^^ EE{d=11U  MM &D4DEM$}- o% &r __builtinsr<)rrrNone)r rrlistkeyshasattrbuiltinsrrrrrr compilerr<rr)) rrrrr"rr3rrrs @@@r unsafe_evalrs 0 +  5 88:D ',,. !DO 3" 19!,aS &CS/ !"  KKKKO "1 a %qkDG"J F;M&  -- \E3<$@$ GCvv  s$ D00 D>=D>c 6tdddt||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.evalrz.ImageMath.lambda_eval or ImageMath.unsafe_eval)r r)r_dictrs rrrVs)* 8 z5 /B //r)rr rr )rr rJrrr )rr rrrr )rzCallable[[dict[str, Any]], Any]rdict[str, Any]rrrr)rrrrrrrr)rrrrrrrr) __future__rrtypesrtypingrrrr _deprecater r rrrrrrrrrrrrArrrs"# !!e-e-R** 33**+   "   !'/' ' ' 'X!== = = =D00 0 0 0r