o Jjg¿ ã@s8ddlZddlmZmZddlmZGdd„deƒZdS)éN)ÚAnyÚList)ÚStringEvaluatorc s¢eZdZdZddddœdedededef‡fdd „Zed efd d „ƒZed efd d„ƒZ ed e e fdd„ƒZ ed e fdd„ƒZ de de ded efdd„Z‡ZS)ÚExactMatchStringEvaluatoraÕCompute an exact match between the prediction and the reference. Examples ---------- >>> evaluator = ExactMatchChain() >>> evaluator.evaluate_strings( prediction="Mindy is the CTO", reference="Mindy is the CTO", ) # This will return {'score': 1.0} >>> evaluator.evaluate_strings( prediction="Mindy is the CTO", reference="Mindy is the CEO", ) # This will return {'score': 0.0} F)Ú ignore_caseÚignore_punctuationÚignore_numbersrrrÚkwargsc s tƒ ¡||_||_||_dS)N)ÚsuperÚ__init__rrr)Úselfrrrr ©Ú __class__©ú]/var/www/html/zoom/venv/lib/python3.10/site-packages/langchain/evaluation/exact_match/base.pyr s  z"ExactMatchStringEvaluator.__init__ÚreturncCódS)z8 This evaluator does not require input. Fr©r rrrÚrequires_input%óz(ExactMatchStringEvaluator.requires_inputcCr)z6 This evaluator requires a reference. TrrrrrÚrequires_reference,rz,ExactMatchStringEvaluator.requires_referencecCsddgS)z^ Get the input keys. Returns: List[str]: The input keys. Ú referenceÚ predictionrrrrrÚ input_keys3sz$ExactMatchStringEvaluator.input_keyscCr)zb Get the evaluation name. Returns: str: The evaluation name. Ú exact_matchrrrrrÚevaluation_name=sz)ExactMatchStringEvaluator.evaluation_namerrcKsŠ|jr | ¡}| ¡}|jr$| t ddtj¡¡}| t ddtj¡¡}|jr=| t ddtj ¡¡}| t ddtj ¡¡}dt ||kƒiS)a0 Evaluate the exact match between the prediction and the reference. Args: prediction (str): The prediction string. reference (Optional[str], optional): The reference string. Returns: dict: The evaluation results containing the score. ÚÚscore) rÚlowerrÚ translateÚstrÚ maketransÚstringÚ punctuationrÚdigitsÚint)r rrr rrrÚ_evaluate_stringsGsz+ExactMatchStringEvaluator._evaluate_strings)Ú__name__Ú __module__Ú __qualname__Ú__doc__Úboolrr Úpropertyrrrr rrÚdictr&Ú __classcell__rrr rrs>ûýüûú   ýüûúr)r"ÚtypingrrÚlangchain.evaluation.schemarrrrrrÚs