_PyBuiltin_Init(void)
{
    PyObject *mod, *dict, *debug;

    const _PyCoreConfig *config = &_PyInterpreterState_GET_UNSAFE()->core_config;

    if (PyType_Ready(&PyFilter_Type) < 0 ||
        PyType_Ready(&PyMap_Type) < 0 ||
        PyType_Ready(&PyZip_Type) < 0)
        return NULL;

    mod = _PyModule_CreateInitialized(&builtinsmodule, PYTHON_API_VERSION);
    if (mod == NULL)
        return NULL;
    dict = PyModule_GetDict(mod);

#ifdef Py_TRACE_REFS
    /* "builtins" exposes a number of statically allocated objects
     * that, before this code was added in 2.3, never showed up in
     * the list of "all objects" maintained by Py_TRACE_REFS.  As a
     * result, programs leaking references to None and False (etc)
     * couldn't be diagnosed by examining sys.getobjects(0).
     */
#define ADD_TO_ALL(OBJECT) _Py_AddToAllObjects((PyObject *)(OBJECT), 0)
#else
#define ADD_TO_ALL(OBJECT) (void)0
#endif

#define SETBUILTIN(NAME, OBJECT) \
    if (PyDict_SetItemString(dict, NAME, (PyObject *)OBJECT) < 0)       \
        return NULL;                                                    \
    ADD_TO_ALL(OBJECT)

    SETBUILTIN("None",                  Py_None);
    SETBUILTIN("Ellipsis",              Py_Ellipsis);
    SETBUILTIN("NotImplemented",        Py_NotImplemented);
    SETBUILTIN("False",                 Py_False);
    SETBUILTIN("True",                  Py_True);
    SETBUILTIN("bool",                  &PyBool_Type);
    SETBUILTIN("memoryview",        &PyMemoryView_Type);
    SETBUILTIN("bytearray",             &PyByteArray_Type);
    SETBUILTIN("bytes",                 &PyBytes_Type);
    SETBUILTIN("classmethod",           &PyClassMethod_Type);
    SETBUILTIN("complex",               &PyComplex_Type);
    SETBUILTIN("dict",                  &PyDict_Type);
    SETBUILTIN("enumerate",             &PyEnum_Type);
    SETBUILTIN("filter",                &PyFilter_Type);
    SETBUILTIN("float",                 &PyFloat_Type);
    SETBUILTIN("frozenset",             &PyFrozenSet_Type);
    SETBUILTIN("property",              &PyProperty_Type);
    SETBUILTIN("int",                   &PyLong_Type);
    SETBUILTIN("list",                  &PyList_Type);
    SETBUILTIN("map",                   &PyMap_Type);
    SETBUILTIN("object",                &PyBaseObject_Type);
    SETBUILTIN("range",                 &PyRange_Type);
    SETBUILTIN("reversed",              &PyReversed_Type);
    SETBUILTIN("set",                   &PySet_Type);
    SETBUILTIN("slice",                 &PySlice_Type);
    SETBUILTIN("staticmethod",          &PyStaticMethod_Type);
    SETBUILTIN("str",                   &PyUnicode_Type);
    SETBUILTIN("super",                 &PySuper_Type);
    SETBUILTIN("tuple",                 &PyTuple_Type);
    SETBUILTIN("type",                  &PyType_Type);
    SETBUILTIN("zip",                   &PyZip_Type);
    debug = PyBool_FromLong(config->optimization_level == 0);
    if (PyDict_SetItemString(dict, "__debug__", debug) < 0) {
        Py_DECREF(debug);
        return NULL;
    }
    Py_DECREF(debug);

    return mod;
#undef ADD_TO_ALL
#undef SETBUILTIN
}
Unknown