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30 lines
759 B
Python
30 lines
759 B
Python
from typing import Type
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from pydantic import BaseModel, Field
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from langchain.tools.base import BaseTool
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class ReadFileInput(BaseModel):
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"""Input for ReadFileTool."""
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file_path: str = Field(..., description="name of file")
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class ReadFileTool(BaseTool):
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name: str = "read_file"
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tool_args: Type[BaseModel] = ReadFileInput
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description: str = "Read file from disk"
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def _run(self, file_path: str) -> str:
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try:
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with open(file_path, "r", encoding="utf-8") as f:
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content = f.read()
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return content
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except Exception as e:
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return "Error: " + str(e)
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async def _arun(self, tool_input: str) -> str:
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# TODO: Add aiofiles method
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raise NotImplementedError
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