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KiloStar/kilostar/plugin/tool_plugin/file_reader/file_reader.py
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Python

# Copyright 2026 zhaoxi826
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from pydantic_ai import RunContext
from kilostar.plugin.tool_plugin.base_tool import BaseToolData
import os
class FileReaderData(BaseToolData):
"""``file_reader`` 工具的元数据:声明工具的名称、描述与是否系统级别。"""
is_system: bool = True
name: str = "file_reader"
description: str = "读取本地文件的内容"
def file_reader(ctx: RunContext, filepath: str) -> str:
"""读取本地文件内容的工具。
Args:
filepath: 目标文件的绝对路径或相对路径。
Returns:
如果文件存在并可读,返回文件内容;否则返回错误信息。
"""
if not os.path.exists(filepath):
return f"Error: 文件 {filepath} 不存在。"
if not os.path.isfile(filepath):
return f"Error: {filepath} 不是一个文件。"
try:
with open(filepath, "r", encoding="utf-8") as f:
content = f.read()
return content
except Exception as e:
return f"Error: 读取文件失败,原因:{str(e)}"