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"""Tool for asking human input."""
from typing import Callable, Optional
from langchain_core.callbacks import CallbackManagerForToolRun
from langchain_core.pydantic_v1 import Field
from langchain_core.tools import BaseTool
def _print_func(text: str) -> None:
print("\n") # noqa: T201
print(text) # noqa: T201
class HumanInputRun(BaseTool):
"""Tool that asks user for input."""
name: str = "human"
description: str = (
"You can ask a human for guidance when you think you "
"got stuck or you are not sure what to do next. "
"The input should be a question for the human."
)
prompt_func: Callable[[str], None] = Field(default_factory=lambda: _print_func)
input_func: Callable = Field(default_factory=lambda: input)
def _run(
self,
query: str,
run_manager: Optional[CallbackManagerForToolRun] = None,
) -> str:
"""Use the Human input tool."""
self.prompt_func(query)
return self.input_func()
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