Shiboken: Generic containers transformation

<template name="cpplist_to_pylist_conversion">
    PyObject *%out = PyList_New(Py_ssize_t(%in.size()));
    Py_ssize_t idx = 0;
    for (auto it = %in.cbegin(), end = %in.cend(); it != end; ++it, ++idx) {
        const auto &amp;cppItem = *it;
        PyList_SET_ITEM(%out, idx, %CONVERTTOPYTHON[%INTYPE_0](cppItem));
    }
    return %out;
</template>

<template name="pyseq_to_cpplist_conversion">
    // PYSIDE-795: Turn all sequences into iterables.
    if (PyList_Check(%in)) {
        const Py_ssize_t size = PySequence_Size(%in);
        if (size &gt; 10)
            (%out).reserve(size);
    }

    Shiboken::AutoDecRef it(PyObject_GetIter(%in));
    PyObject *(*iternext)(PyObject *) = *Py_TYPE(it)->tp_iternext;
    for (;;) {
        Shiboken::AutoDecRef pyItem(iternext(it));
        if (pyItem.isNull()) {
            if (PyErr_Occurred() &amp;&amp; PyErr_ExceptionMatches(PyExc_StopIteration))
                PyErr_Clear();
            break;
        }
        %OUTTYPE_0 cppItem = %CONVERTTOCPP[%OUTTYPE_0](pyItem);
        %out &lt;&lt; cppItem;
    }
</template>