9|hg >ddlZddlmZmZddlmZGddeZy)N)AnyList)StringEvaluatorceZdZdZdddedeffdZedefdZ edefd Z ede e fd Z ede fd Zd e d e dedefdZxZS)RegexMatchStringEvaluatoraCompute a regex match between the prediction and the reference. Examples ---------- >>> evaluator = RegexMatchStringEvaluator(flags=re.IGNORECASE) >>> evaluator.evaluate_strings( prediction="Mindy is the CTO", reference="^mindy.*cto$", ) # This will return {'score': 1.0} due to the IGNORECASE flag >>> evaluator = RegexMatchStringEvaluator() >>> evaluator.evaluate_strings( prediction="Mindy is the CTO", reference="^Mike.*CEO$", ) # This will return {'score': 0.0} >>> evaluator.evaluate_strings( prediction="Mindy is the CTO", reference="^Mike.*CEO$|^Mindy.*CTO$", ) # This will return {'score': 1.0} as the prediction matches the second pattern in the union rflagsr kwargsc 0t|||_y)N)super__init__r )selfr r __class__s d/var/www/html/test/engine/venv/lib/python3.12/site-packages/langchain/evaluation/regex_match/base.pyr z"RegexMatchStringEvaluator.__init__s  returncy)z8 This evaluator does not require input. Frs rrequires_inputz(RegexMatchStringEvaluator.requires_input"s rcy)z6 This evaluator requires a reference. Trrs rrequires_referencez,RegexMatchStringEvaluator.requires_reference)s rc ddgS)z^ Get the input keys. Returns: List[str]: The input keys. reference predictionrrs r input_keysz$RegexMatchStringEvaluator.input_keys0s\**rcy)zb Get the evaluation name. Returns: str: The evaluation name. regex_matchrrs revaluation_namez)RegexMatchStringEvaluator.evaluation_name:srrrc rtj|||j}dtt |iS)a7 Evaluate the regex match between the prediction and the reference. Args: prediction (str): The prediction string. reference (Optional[str], optional): The reference regex pattern. Returns: dict: The evaluation results containing the score. rscore)rematchr intbool)rrrr r#s r_evaluate_stringsz+RegexMatchStringEvaluator._evaluate_stringsDs."JdjjAT%[)**r)__name__ __module__ __qualname____doc__r$rr propertyr%rrrstrrrdictr& __classcell__)rs@rrrs,()C D +DI++++ +  +  +rr)r"typingrrlangchain.evaluation.schemarrrrrr1s 7O+O+r