Program Listing for File python_data_table.cpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2021-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 *
 * 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.
 */

#include "morpheus/objects/python_data_table.hpp"

#include "morpheus/utilities/cudf_util.hpp"

#include <cudf/types.hpp>
#include <pybind11/gil.h>
#include <pybind11/pybind11.h>

#include <utility>

namespace morpheus {
/****** Component public implementations *******************/
/****** PyDataTable****************************************/
PyDataTable::PyDataTable(pybind11::object&& py_table) : m_py_table(std::move(py_table)) {}

PyDataTable::~PyDataTable()
{
    if (m_py_table)
    {
        pybind11::gil_scoped_acquire gil;

        // Clear out the python object
        m_py_table = pybind11::object();
    }
}

cudf::size_type PyDataTable::count() const
{
    pybind11::gil_scoped_acquire gil;

    return m_py_table.attr("shape").attr("__getitem__")(0).cast<cudf::size_type>();
}

const pybind11::object& PyDataTable::get_py_object() const
{
    return m_py_table;
}

TableInfoData PyDataTable::get_table_data() const
{
    pybind11::gil_scoped_acquire gil;

    auto info = CudfHelper::table_info_data_from_table(m_py_table);

    return info;
}
}  // namespace morpheus