Function consumePythonError

tests/test_python_integration.cpp:284–310

    }

    std::string consumePythonError() {
        if (!PyErr_Occurred()) {
            return "unknown Python error";
        }

        PyObject* type = nullptr;
        PyObject* value = nullptr;
        PyObject* traceback = nullptr;
        PyErr_Fetch(&type, &value, &traceback);
        PyErr_NormalizeException(&type, &value, &traceback);

        std::string message = "unknown Python error";
        if (value) {
            PyObject* as_str = PyObject_Str(value);
            if (as_str) {
                if (const char* utf8 = PyUnicode_AsUTF8(as_str)) {
                    message = utf8;
                }
                Py_DECREF(as_str);
            }
        }

        Py_XDECREF(type);
        Py_XDECREF(value);
        Py_XDECREF(traceback);
        return message;
    }

    PythonTensorResult runPythonTensorSnippet(const std::string& script) {
        const lfs::python::GilAcquire gil;