j UdZddlmZddlZddlmZddlmZddlm Z m Z ddl m Z m Z ddlmZerdd lmZee e zZddZGddejZGddeZGddeZeedZded<dS)z) Engine classes for :func:`~pandas.eval` ) annotationsN) TYPE_CHECKING)NumExprClobberingError) align_termsreconstruct_object)MATHOPS REDUCTIONS)printing)Exprexprr returnNonec|j}|tz}|r5dd|D}td|d|ddS)z Attempt to prevent foot-shooting in a helpful way. Parameters ---------- expr : Expr Terms can contain z, c,g|]}t|S)repr).0xs MC:\Projects\DSCons\.venv\Lib\site-packages\pandas\core\computation\engines.py z+_check_ne_builtin_clash..*s0001tAww000zVariables in expression "z" overlap with builtins: ()N)names _ne_builtinsjoinr)r roverlapss r_check_ne_builtin_clashrso JEl"G II00000 1 1$ L L L L L L     rcfeZdZdZdZddZddZdd Zedd Z e j d Z d S)AbstractEnginez/Object serving as a base class for all engines.Fr rc>||_d|_d|_d|_dSN)r aligned_axes result_type result_name)selfr s r__init__zAbstractEngine.__init__5s'  rstrc4tj|jS)zo Convert an expression for evaluation. Defaults to return the expression as a string. )r pprint_thingr r&s rconvertzAbstractEngine.convert;s $TY///robjectc|js,t|jj\|_|_|_|}t|j||j|jjj |jS)a* Run the engine on the expression. This method performs alignment which is necessary no matter what engine is being used, thus its implementation is in the base class. Returns ------- object The result of the passed expression. ) _is_alignedrr termsr$r#r% _evaluater return_type)r&ress revaluatezAbstractEngine.evaluateCsy DO EE AD d/1A nn!      IO '      rboolc&|jduo|jduSr")r#r$r+s rr/zAbstractEngine._is_aligned^s ,M1A1MMrcdS)a Return an evaluated expression. Parameters ---------- env : Scope The local and global environment in which to evaluate an expression. Notes ----- Must be implemented by subclasses. Nrr+s rr1zAbstractEngine._evaluatebsrNr r)r r()r r-)r r5) __name__ __module__ __qualname____doc__ has_neg_fracr'r,r4propertyr/abcabstractmethodr1rrrr r 0s99L    0000    6NNNXN        rr ) metaclassceZdZdZdZdZdS) NumExprEnginezNumExpr engine classTcddl}|}|jj}|j}t |j|||S)Nr) local_dict)numexprr,r env full_scoperr4)r&nerrGscopes rr1zNumExprEngine._evaluatexsS LLNNim ***{{1{///rN)r9r:r;r<r=r1rrrrCrCss.L 0 0 0 0 0rrCc$eZdZdZdZdZddZdS) PythonEnginezS Evaluate an expression in Python space. Mostly for testing purposes. Fc*|Sr")r r+s rr4zPythonEngine.evaluatesyy{{rr rcdSr"rr+s rr1zPythonEngine._evaluates rNr8)r9r:r;r<r=r4r1rrrrLrLsH L      rrL)rFpythonzdict[str, type[AbstractEngine]]ENGINES)r r r r)r< __future__rr?typingr pandas.errorsrpandas.core.computation.alignrrpandas.core.computation.opsrr pandas.io.formatsr pandas.core.computation.exprr frozensetrrABCMetar rCrLrP__annotations__rrrr[s#""""" 000000 '&&&&&2111111y:-..     &@ @ @ @ @ s{@ @ @ @ F00000N000"      >    ",,r