Source code for langchain.memory.utils

from typing import Any, Dict, List


def get_prompt_input_key(inputs: Dict[str, Any], memory_variables: List[str]) -> str:
    """获取提示输入键。

参数：
    输入：字典[str, 任意]
    内存变量：列表[str]

返回：
    一个提示输入键。
"""
    # "stop" is a special key that can be passed as input but is not used to
    # format the prompt.
    prompt_input_keys = list(set(inputs).difference(memory_variables + ["stop"]))
    if len(prompt_input_keys) != 1:
        raise ValueError(f"One input key expected got {prompt_input_keys}")
    return prompt_input_keys[0]