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13 lines
512 B
Python
13 lines
512 B
Python
from typing import Any, Dict, List
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from langchain.schema import get_buffer_string # noqa: 401
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def get_prompt_input_key(inputs: Dict[str, Any], memory_variables: List[str]) -> str:
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# "stop" is a special key that can be passed as input but is not used to
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# format the prompt.
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prompt_input_keys = list(set(inputs).difference(memory_variables + ["stop"]))
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if len(prompt_input_keys) != 1:
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raise ValueError(f"One input key expected got {prompt_input_keys}")
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return prompt_input_keys[0]
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