sources/pyside6/PySide6/templates/datavisualization_common.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!--
// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-->
<typesystem>
    <template name="cppqlistofptrtoqlists_to_py_conversion">
        const Py_ssize_t rowCount = %in.size();
        PyObject* %out = PyList_New(rowCount);
        for (Py_ssize_t r = 0; r &lt; rowCount; ++r) {
            const QList&lt;%INTYPE_0&gt; *row = %in.at(r);
            const Py_ssize_t columnCount = row->size();
            PyObject *pyRow = PyList_New(columnCount);
            for (Py_ssize_t c = 0; c &lt; columnCount; ++c) {
                const %INTYPE_0 &amp;cppItem = row->at(c);
                PyList_SET_ITEM(pyRow, c, %CONVERTTOPYTHON[%INTYPE_0](cppItem));
            }
            PyList_SET_ITEM(%out, r, pyRow);
        }
        return %out;
    </template>

    <template name="py_to_cppqlistofptrtoqlists_conversion">
        const Py_ssize_t rowCount = PySequence_Size(%in);
        %OUTTYPE &amp;result = %out;
        result.reserve(rowCount);
        for (Py_ssize_t r = 0; r &lt; rowCount; ++r) {
            Shiboken::AutoDecRef rowItem(PySequence_GetItem(%in, r));
            const Py_ssize_t columnCount = PySequence_Size(rowItem);
            auto *row = new QList&lt;%OUTTYPE_0&gt;;
            row->reserve(columnCount);
            for (Py_ssize_t c = 0; c &lt; columnCount; ++c) {
               Shiboken::AutoDecRef pyItem(PySequence_GetItem(rowItem, c));
               %OUTTYPE_0 v = %CONVERTTOCPP[%OUTTYPE_0](pyItem);
               row->append(v);
            }
            result.append(row);
        }
    </template>
</typesystem>