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langchain/langchain/tools/file_management/list_dir.py

41 lines
1.2 KiB
Python

import os
from typing import Type
from pydantic import BaseModel, Field
from langchain.tools.file_management.utils import (
INVALID_PATH_TEMPLATE,
BaseFileTool,
FileValidationError,
)
class DirectoryListingInput(BaseModel):
"""Input for ListDirectoryTool."""
dir_path: str = Field(default=".", description="Subdirectory to list.")
class ListDirectoryTool(BaseFileTool):
name: str = "list_directory"
args_schema: Type[BaseModel] = DirectoryListingInput
description: str = "List files and directories in a specified folder"
def _run(self, dir_path: str = ".") -> str:
try:
dir_path_ = self.get_relative_path(dir_path)
except FileValidationError:
return INVALID_PATH_TEMPLATE.format(arg_name="dir_path", value=dir_path)
try:
entries = os.listdir(dir_path_)
if entries:
return "\n".join(entries)
else:
return f"No files found in directory {dir_path}"
except Exception as e:
return "Error: " + str(e)
async def _arun(self, dir_path: str) -> str:
# TODO: Add aiofiles method
raise NotImplementedError