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langchain/langchain/tools/file_management/delete.py

40 lines
1.1 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 FileDeleteInput(BaseModel):
"""Input for DeleteFileTool."""
file_path: str = Field(..., description="Path of the file to delete")
class DeleteFileTool(BaseFileTool):
name: str = "file_delete"
args_schema: Type[BaseModel] = FileDeleteInput
description: str = "Delete a file"
def _run(self, file_path: str) -> str:
try:
file_path_ = self.get_relative_path(file_path)
except FileValidationError:
return INVALID_PATH_TEMPLATE.format(arg_name="file_path", value=file_path)
if not file_path_.exists():
return f"Error: no such file or directory: {file_path}"
try:
os.remove(file_path_)
return f"File deleted successfully: {file_path}."
except Exception as e:
return "Error: " + str(e)
async def _arun(self, file_path: str) -> str:
# TODO: Add aiofiles method
raise NotImplementedError