23 lines
756 B
Python
23 lines
756 B
Python
from guardrails.integrations.langchain.base_runnable import BaseRunnable
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from guardrails.validator_base import FailResult, Validator
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from guardrails.errors import ValidationError
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class ValidatorRunnable(BaseRunnable):
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validator: Validator
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def __init__(self, validator: Validator):
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self.name = validator.rail_alias
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self.validator = validator
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def _validate(self, input: str) -> str:
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response = self.validator.validate(input, self.validator._metadata)
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if isinstance(response, FailResult):
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raise ValidationError(
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(
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"The response from the LLM failed validation!"
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f" {response.error_message}"
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)
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)
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return input
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