# Pastebin TrpIVbRg
static PyObject *create_missing_func(PyObject *klass)
{
    // When creating the class, memorize it in the missing function by
    // a partial function argument.
    static auto *const type = SbkType_FromSpec(&dummy_spec);
    static auto *const obType = reinterpret_cast<PyObject *>(type);
    static auto *const _missing = Shiboken::String::createStaticString("_missing_");
    static auto *const func = PyObject_GetAttr(obType, _missing);
    static auto *const functools = PyImport_ImportModule("_functools");   // builtin
    static auto *const _partial = Shiboken::String::createStaticString("partial");
    static auto *const partial = PyObject_GetAttr(functools, _partial);
    return PyObject_CallFunctionObjArgs(partial, func, klass, nullptr);
}