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import threading
from typing import Dict
from app.tool.base import BaseTool
class PythonExecute(BaseTool):
"""A tool for executing Python code with timeout and safety restrictions."""
name: str = "python_execute"
description: str = "Executes Python code string. Note: Only print outputs are visible, function return values are not captured. Use print statements to see results."
parameters: dict = {
"type": "object",
"properties": {
"code": {
"type": "string",
"description": "The Python code to execute.",
},
},
"required": ["code"],
}
async def execute(
self,
code: str,
timeout: int = 5,
) -> Dict:
"""
Executes the provided Python code with a timeout.
Args:
code (str): The Python code to execute.
timeout (int): Execution timeout in seconds.
Returns:
Dict: Contains 'output' with execution output or error message and 'success' status.
"""
result = {"observation": ""}
def run_code():
try:
safe_globals = {"__builtins__": dict(__builtins__)}
import sys
from io import StringIO
output_buffer = StringIO()
sys.stdout = output_buffer
exec(code, safe_globals, {})
sys.stdout = sys.__stdout__
result["observation"] = output_buffer.getvalue()
except Exception as e:
result["observation"] = str(e)
result["success"] = False
thread = threading.Thread(target=run_code)
thread.start()
thread.join(timeout)
if thread.is_alive():
return {
"observation": f"Execution timeout after {timeout} seconds",
"success": False,
}
return result
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