Function create_local_tool

server/routes/tools.py:44–74

(payload: LocalToolCreateRequest)

@router.post("/api/tools/local")
def create_local_tool(payload: LocalToolCreateRequest):
    raw_name = payload.filename.strip()
    if not raw_name:
        raise HTTPException(status_code=400, detail="filename is required")

    if not re.match(r"^[A-Za-z0-9_-]+(\.py)?$", raw_name):
        raise HTTPException(status_code=400, detail="filename must be alphanumeric with optional .py extension")

    filename = raw_name if raw_name.endswith(".py") else f"{raw_name}.py"
    tools_dir = Path(FUNCTION_CALLING_DIR).resolve()
    tools_dir.mkdir(parents=True, exist_ok=True)

    target_path = (tools_dir / filename).resolve()
    try:
        target_path.relative_to(tools_dir)
    except ValueError:
        raise HTTPException(status_code=400, detail="filename resolves outside function tools directory")

    if target_path.exists() and not payload.overwrite:
        raise HTTPException(status_code=409, detail="tool file already exists")

    target_path.write_text(payload.content, encoding="utf-8")

    catalog = get_function_catalog()
    catalog.refresh()
    return {
        "success": True,
        "filename": filename,
        "path": str(target_path),
        "load_error": str(catalog.load_error) if catalog.load_error else None,
    }