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l m Z dd l mZ dd lmZ dd lmZ ddlmZ G dd dejZG dd dejZG dd dejZe Ze ZG dd dZdddddZ d S ) zÕEvaluation functions used **INTERNALLY** by ORM DML use cases.
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This module is **private, for internal use by SQLAlchemy**.
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.. versionchanged:: 2.0.4 renamed ``EvaluatorCompiler`` to
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``_EvaluatorCompiler``.
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é )Ú annotations)ÚTypeé )Úexc)ÚLoaderCallableStatus)Ú PassiveFlagé )Úinspect)Úand_)Ú operators)ÚInteger)ÚNumeric)Úwarn_deprecatedc @ s e Zd ZdS )ÚUnevaluatableErrorN)Ú__name__Ú
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eval_rightrP r( r r r Ú visit_binary¡ s ÿz _EvaluatorCompiler.visit_binaryc s fdd}|S )Nc sH d} D ]2}|| }|t kr$t S |r. dS |p8|d k}q|rDd S dS ©NFT©r8 )r. Zhas_nullÚ sub_evaluater: ©rO r r Úevaluate° s z;_EvaluatorCompiler.visit_or_clauselist_op.<locals>.evaluater ©r rM rO r& r[ r rZ r Úvisit_or_clauselist_op¯ s z)_EvaluatorCompiler.visit_or_clauselist_opc s fdd}|S )Nc sF D ]<}|| }|t kr t S |s|d ks4|tkr: d S dS qdS rW )r8 r5 )r. rY r: rZ r r r[ À s z<_EvaluatorCompiler.visit_and_clauselist_op.<locals>.evaluater r\ r rZ r Úvisit_and_clauselist_op¿ s z*_EvaluatorCompiler.visit_and_clauselist_opc s fdd}|S )Nc sN g } D ]<}|| }|t kr$t S |d ks4|tkr: d S | |¡ qt|S r )r8 r5 ÚappendÚtuple)r. ÚvaluesrY r: rZ r r r[ Ï s zA_EvaluatorCompiler.visit_comma_op_clauselist_op.<locals>.evaluater r\ r rZ r Ú visit_comma_op_clauselist_opÎ s z/_EvaluatorCompiler.visit_comma_op_clauselist_opc C s, |j r| ||||¡S td|jdd S )NzCustom operator zR can't be evaluated in Python unless it specifies a callable using `.python_impl`.)Z python_implÚ_straight_evaluater Zopstring©r rM rT rU r& r r r Úvisit_custom_op_binary_opÜ s ÿ ÿz,_EvaluatorCompiler.visit_custom_op_binary_opc s fdd}|S )Nc s, | }| }|t ks |t kr$t S ||kS r rX ©r. Zleft_valZ right_val©rT rU r r r[ ë s
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z7_EvaluatorCompiler.visit_is_binary_op.<locals>.evaluater ©r rM rT rU r& r[ r rg r Úvisit_is_binary_opê s z%_EvaluatorCompiler.visit_is_binary_opc s fdd}|S )Nc s, | }| }|t ks |t kr$t S ||kS r rX rf rg r r r[ õ s
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z;_EvaluatorCompiler.visit_is_not_binary_op.<locals>.evaluater rh r rg r Úvisit_is_not_binary_opô s z)_EvaluatorCompiler.visit_is_not_binary_opc s fdd}|S )Nc sJ | }| }|t ks |t kr$t S |d ks4|d kr8d S | | S r rX rf ©rT rU rM r r r[ ÿ s z7_EvaluatorCompiler._straight_evaluate.<locals>.evaluater rh r rk r rc þ s
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z%_EvaluatorCompiler._straight_evaluatec C sX |j jjttfks$|jjjttfkrHtd|j d|j j d|jj | ||||¡S )Nz Cannot evaluate math operator "z" for datatypes z, ) rR r% Z_type_affinityr r rS r r rc rd r r r Ú _straight_evaluate_numeric_only s þý ÿz2_EvaluatorCompiler._straight_evaluate_numeric_onlyc C s | dd |||¡S )Nc S s | t k r| |kS d S r ©r5 ©ÚaÚbr r r r/ ' r0 z:_EvaluatorCompiler.visit_in_op_binary_op.<locals>.<lambda>©rc rd r r r Úvisit_in_op_binary_op% s üz(_EvaluatorCompiler.visit_in_op_binary_opc C s | dd |||¡S )Nc S s | t k r| |kS d S r rm rn r r r r/ 1 r0 z>_EvaluatorCompiler.visit_not_in_op_binary_op.<locals>.<lambda>rq rd r r r Úvisit_not_in_op_binary_op- s üz,_EvaluatorCompiler.visit_not_in_op_binary_opc C s | dd |||¡S )Nc S s | | S r r rn r r r r/ ; r0 z>_EvaluatorCompiler.visit_concat_op_binary_op.<locals>.<lambda>rq rd r r r Úvisit_concat_op_binary_op7 s ÿz,_EvaluatorCompiler.visit_concat_op_binary_opc C s | dd |||¡S )Nc S s
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startswithrn r r r r/ B r0 zB_EvaluatorCompiler.visit_startswith_op_binary_op.<locals>.<lambda>rq rd r r r Ú visit_startswith_op_binary_op> s ÿz0_EvaluatorCompiler.visit_startswith_op_binary_opc C s | dd |||¡S )Nc S s
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eval_innerr r r[ P s z0_EvaluatorCompiler.visit_unary.<locals>.evaluater# rQ )r) r* rM r Úinvr r% r )r r& r[ r ry r Ú visit_unaryL s ÿz _EvaluatorCompiler.visit_unaryc s" |j r| ¡ n|j fddS )Nc s S r r r- ©Úvalr r r/ c r0 z4_EvaluatorCompiler.visit_bindparam.<locals>.<lambda>)Úcallabler: r+ r r| r Úvisit_bindparam^ s
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z"_EvaluatorCompiler.visit_bindparam)N)(r r r r! r) r, r1 r2 r3 rD rG rH rF rV r] r^ rb re ri rj rc rl Zvisit_add_binary_opZvisit_mul_binary_opZvisit_sub_binary_opZvisit_mod_binary_opZvisit_truediv_binary_opZvisit_lt_binary_opZvisit_le_binary_opZvisit_ne_binary_opZvisit_gt_binary_opZvisit_ge_binary_opZvisit_eq_binary_oprr rs rt rv rx r{ r r r r r r < sJ
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r ÚstrzType[_EvaluatorCompiler])ÚnameÚreturnc C s. | dkrt dd tS tdtd| d S )NZEvaluatorCompilerzDirect use of 'EvaluatorCompiler' is not supported, and this name will be removed in a future release. '_EvaluatorCompiler' is for internal use onlyz2.0zmodule z has no attribute )r r ÚAttributeErrorr )r r r r Ú __getattr__f s ür N) Ú__doc__Ú
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