3 jQc@sddlmZmZy ddlZWn ek r<ddlZeZYnXdZddZGdddeZ dd Z d d Z d d Z ddZ ddZddZddZiZx:eejD](\ZZedddkreeedd<qWifddZdS))Image _imagingmathNcCst|tpt|tS)N) isinstanceintfloat)vr //usr/lib/python3/dist-packages/PIL/ImageMath.py _isconstantsr c@sDeZdZdZddZddZdGddZd d Zee krZ&d?d@Z'dAdBZ(dCdDZ)dEdFZ*dS)H_Operandz4Wraps an image operand, providing standard operatorscCs ||_dS)N)im)selfr r r r __init__$sz_Operand.__init__cCst|trF|jjdkr"|jjdS|jjdkr4|jStd|jjn8t|rl|jjdkrltjd|jj |Stjd|jj |SdS) N1LIFzunsupported mode: %s)rr)rr)rrr) rr r modeconvert ValueErrorr rnewsize)rim1r r r Z__fixup's    z_Operand.__fixupNc Cs|j|}|dkrtj|p|j|jd}|jytt|d|j}Wn tk rht d|YnXtj ||j j |j j nX|j|}|j|jkr|jdkr|j d}|jdkr|j d}|j|jkrtd|j|jkr\t|jd|jdt|jd|jdf}|j|kr*|jd|}|j|krD|jd|}tj|pR|j|d}ntj|pj|j|jd}|j|jytt|d|j}Wn"tk rt d|YnXtj||j j |j j |j j t|S) N_zbad operand type for '%s'rz mode mismatchrr)rr)rr)_Operand__fixuprrrrloadgetattrrAttributeError TypeErrorZunopr idrrminZcropZbinopr )roprZim2routrr r r apply8sD          z_Operand.applycCs|jjdk S)N)r Zgetbbox)rr r r __bool__csz_Operand.__bool__cCs |jd|S)Nabs)r$)rr r r __abs__lsz_Operand.__abs__cCs|S)Nr )rr r r __pos__osz_Operand.__pos__cCs |jd|S)Nneg)r$)rr r r __neg__rsz_Operand.__neg__cCs|jd||S)Nadd)r$)rotherr r r __add__vsz_Operand.__add__cCs|jd||S)Nr+)r$)rr,r r r __radd__ysz_Operand.__radd__cCs|jd||S)Nsub)r$)rr,r r r __sub__|sz_Operand.__sub__cCs|jd||S)Nr/)r$)rr,r r r __rsub__sz_Operand.__rsub__cCs|jd||S)Nmul)r$)rr,r r r __mul__sz_Operand.__mul__cCs|jd||S)Nr2)r$)rr,r r r __rmul__sz_Operand.__rmul__cCs|jd||S)Ndiv)r$)rr,r r r __truediv__sz_Operand.__truediv__cCs|jd||S)Nr5)r$)rr,r r r __rtruediv__sz_Operand.__rtruediv__cCs|jd||S)Nmod)r$)rr,r r r __mod__sz_Operand.__mod__cCs|jd||S)Nr8)r$)rr,r r r __rmod__sz_Operand.__rmod__cCs|jd||S)Npow)r$)rr,r r r __pow__sz_Operand.__pow__cCs|jd||S)Nr;)r$)rr,r r r __rpow__sz_Operand.__rpow__cCs |jd|S)Ninvert)r$)rr r r __invert__sz_Operand.__invert__cCs|jd||S)Nand)r$)rr,r r r __and__sz_Operand.__and__cCs|jd||S)Nr@)r$)rr,r r r __rand__sz_Operand.__rand__cCs|jd||S)Nor)r$)rr,r r r __or__sz_Operand.__or__cCs|jd||S)NrC)r$)rr,r r r __ror__sz_Operand.__ror__cCs|jd||S)Nxor)r$)rr,r r r __xor__sz_Operand.__xor__cCs|jd||S)NrF)r$)rr,r r r __rxor__sz_Operand.__rxor__cCs|jd||S)Nlshift)r$)rr,r r r __lshift__sz_Operand.__lshift__cCs|jd||S)Nrshift)r$)rr,r r r __rshift__sz_Operand.__rshift__cCs|jd||S)Neq)r$)rr,r r r __eq__sz_Operand.__eq__cCs|jd||S)Nne)r$)rr,r r r __ne__sz_Operand.__ne__cCs|jd||S)Nlt)r$)rr,r r r __lt__sz_Operand.__lt__cCs|jd||S)Nle)r$)rr,r r r __le__sz_Operand.__le__cCs|jd||S)Ngt)r$)rr,r r r __gt__sz_Operand.__gt__cCs|jd||S)Nge)r$)rr,r r r __ge__sz_Operand.__ge__)NN)+__name__ __module__ __qualname____doc__rrr$r%bytesstrZ __nonzero__r'r(r*r-r.r0r1r3r4r6r7r9r:r<r=Z__div__Z__rdiv__r?rArBrDrErGrHrJrLrNrPrRrTrVrXr r r r r !sV +r cCst|jjdS)Nr)r r r)rr r r imagemath_intsr_cCst|jjdS)Nr)r r r)rr r r imagemath_floatsr`cCs|jd||ddS)NrMr)r)r$)rr,r r r imagemath_equalsracCs|jd||ddS)NrOr)r)r$)rr,r r r imagemath_notequalsrbcCs|jd||S)Nr!)r$)rr,r r r imagemath_minsrccCs|jd||S)Nmax)r$)rr,r r r imagemath_maxsrecCst|jj|S)N)r r r)rrr r r imagemath_convertsrf Z imagemath_c stjj|j|x.tjD]\}}t|dr*t||<q*Wt|ddfddtj |ddt ii}y|j St k r|SXdS) a Evaluates an image expression. :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 zevalcsXx&|jD]}t|tkr|qWx*|jD] }|kr0|dkr0td|q0WdS)Nr&z'%s' not allowed) co_conststypeco_namesr)codeZconstname)args compiled_codescanr r rp s    zeval..scanZ __builtinsr&N) opscopyupdatelistitemshasattrr compilebuiltinsrhr&r r)Z expressionZ_dictkwkrr#r )rnrorpr rhs     rh)rrrx ImportErrorZ __builtin__VERBOSEr objectr r_r`rarbrcrerfrqrtglobalsrurzrrhr r r r s*  2