mirror of
https://github.com/hwchase17/langchain
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35 lines
983 B
Python
35 lines
983 B
Python
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"""Tool for asking human input."""
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from typing import Callable, Optional
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from langchain_core.callbacks import CallbackManagerForToolRun
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from langchain_core.pydantic_v1 import Field
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from langchain_core.tools import BaseTool
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def _print_func(text: str) -> None:
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print("\n")
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print(text)
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class HumanInputRun(BaseTool):
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"""Tool that asks user for input."""
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name: str = "human"
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description: str = (
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"You can ask a human for guidance when you think you "
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"got stuck or you are not sure what to do next. "
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"The input should be a question for the human."
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)
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prompt_func: Callable[[str], None] = Field(default_factory=lambda: _print_func)
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input_func: Callable = Field(default_factory=lambda: input)
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def _run(
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self,
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query: str,
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run_manager: Optional[CallbackManagerForToolRun] = None,
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) -> str:
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"""Use the Human input tool."""
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self.prompt_func(query)
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return self.input_func()
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