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/* prepare_protocol.c - the protocol for preparing values for SQLite
 * Copyright (C) 2005-2010 Gerhard Häring <gh@ghaering.de>
 * This file is part of pysqlite.
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
#ifndef Py_BUILD_CORE_BUILTIN
#  define Py_BUILD_CORE_MODULE 1
#include "prepare_protocol.h"
#include "pycore_object.h"        // _PyObject_VisitType()
pysqlite_prepare_protocol_init(PyObject *self, PyObject *args, PyObject *kwargs)
    return 0;
static void
pysqlite_prepare_protocol_dealloc(PyObject *self)
    PyTypeObject *tp = Py_TYPE(self);
    PyObject_GC_UnTrack(self);
    tp->tp_free(self);
    Py_DECREF(tp);
PyDoc_STRVAR(doc, "PEP 246 style object adaption protocol type.");
static PyType_Slot type_slots[] = {
    {Py_tp_dealloc, pysqlite_prepare_protocol_dealloc},
    {Py_tp_init, pysqlite_prepare_protocol_init},
    {Py_tp_traverse, _PyObject_VisitType},
    {Py_tp_doc, (void *)doc},
    {0, NULL},
static PyType_Spec type_spec = {
    .name = MODULE_NAME ".PrepareProtocol",
    .basicsize = sizeof(pysqlite_PrepareProtocol),
    .flags = (Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
              Py_TPFLAGS_IMMUTABLETYPE),
    .slots = type_slots,
pysqlite_prepare_protocol_setup_types(PyObject *module)
    PyObject *type = PyType_FromModuleAndSpec(module, &type_spec, NULL);
    if (type == NULL) {
        return -1;
    pysqlite_state *state = pysqlite_get_state(module);
    state->PrepareProtocolType = (PyTypeObject *)type;
    return 0;

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