Files
test2/source/blender/python/intern/bpy_app_usd.cc
Bastien Montagne 7ca62fa54e Refactor: Turn main USD public header into full Cpp one.
Rename `usd.h` to `usd.hh`, and put its declarations in the
`blender::io::usd` namespace.

Pull Request: https://projects.blender.org/blender/blender/pulls/117897
2024-02-07 09:42:23 +01:00

93 lines
2.3 KiB
C++

/* SPDX-FileCopyrightText: 2020 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup pythonintern
*/
#include "BLI_utildefines.h"
#include <Python.h>
#include "bpy_app_usd.h"
#include "../generic/py_capi_utils.h"
#ifdef WITH_USD
# include "usd.hh"
#endif
static PyTypeObject BlenderAppUSDType;
static PyStructSequence_Field app_usd_info_fields[] = {
{"supported", "Boolean, True when Blender is built with USD support"},
{"version", "The USD version as a tuple of 3 numbers"},
{"version_string", "The USD version formatted as a string"},
{nullptr},
};
static PyStructSequence_Desc app_usd_info_desc = {
"bpy.app.usd", /* name */
"This module contains information about the Universal Scene Description library Bender is "
"linked against", /* doc */
app_usd_info_fields, /* fields */
ARRAY_SIZE(app_usd_info_fields) - 1,
};
static PyObject *make_usd_info()
{
PyObject *usd_info = PyStructSequence_New(&BlenderAppUSDType);
if (usd_info == nullptr) {
return nullptr;
}
int pos = 0;
#ifndef WITH_USD
# define SetStrItem(str) PyStructSequence_SET_ITEM(usd_info, pos++, PyUnicode_FromString(str))
#endif
#define SetObjItem(obj) PyStructSequence_SET_ITEM(usd_info, pos++, obj)
#ifdef WITH_USD
const int curversion = blender::io::usd::USD_get_version();
const int major = curversion / 10000;
const int minor = (curversion / 100) % 100;
const int patch = curversion % 100;
SetObjItem(PyBool_FromLong(1));
SetObjItem(PyC_Tuple_Pack_I32({major, minor, patch}));
SetObjItem(PyUnicode_FromFormat("%2d, %2d, %2d", major, minor, patch));
#else
SetObjItem(PyBool_FromLong(0));
SetObjItem(PyC_Tuple_Pack_I32({0, 0, 0}));
SetStrItem("Unknown");
#endif
if (UNLIKELY(PyErr_Occurred())) {
Py_DECREF(usd_info);
return nullptr;
}
#undef SetStrItem
#undef SetObjItem
return usd_info;
}
PyObject *BPY_app_usd_struct()
{
PyStructSequence_InitType(&BlenderAppUSDType, &app_usd_info_desc);
PyObject *ret = make_usd_info();
/* prevent user from creating new instances */
BlenderAppUSDType.tp_init = nullptr;
BlenderAppUSDType.tp_new = nullptr;
/* Without this we can't do `set(sys.modules)` #29635. */
BlenderAppUSDType.tp_hash = (hashfunc)_Py_HashPointer;
return ret;
}