715a8268fa
Python 3.14 has moved some functionality into the public API, use the updated names even with older Python versions. Also resolve an error caused by variable reuse with delayed annotation evaluation for TextureProperties_MixIn on startup. Resolve #140695.
96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
/* SPDX-FileCopyrightText: 2020 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup pythonintern
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*/
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#include "BLI_utildefines.h"
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#include <Python.h>
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#include "../generic/python_compat.hh" /* IWYU pragma: keep. */
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#include "bpy_app_usd.hh"
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#include "../generic/py_capi_utils.hh"
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#ifdef WITH_USD
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# include "usd.hh"
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#endif
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static PyTypeObject BlenderAppUSDType;
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static PyStructSequence_Field app_usd_info_fields[] = {
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{"supported", "Boolean, True when Blender is built with USD support"},
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{"version", "The USD version as a tuple of 3 numbers"},
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{"version_string", "The USD version formatted as a string"},
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{nullptr},
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};
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static PyStructSequence_Desc app_usd_info_desc = {
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/*name*/ "bpy.app.usd",
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/*doc*/
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"This module contains information about the Universal Scene Description library Bender is "
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"linked against",
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/*fields*/ app_usd_info_fields,
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/*n_in_sequence*/ ARRAY_SIZE(app_usd_info_fields) - 1,
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};
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static PyObject *make_usd_info()
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{
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PyObject *usd_info = PyStructSequence_New(&BlenderAppUSDType);
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if (usd_info == nullptr) {
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return nullptr;
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}
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int pos = 0;
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#ifndef WITH_USD
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# define SetStrItem(str) PyStructSequence_SET_ITEM(usd_info, pos++, PyUnicode_FromString(str))
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#endif
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#define SetObjItem(obj) PyStructSequence_SET_ITEM(usd_info, pos++, obj)
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#ifdef WITH_USD
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const int curversion = blender::io::usd::USD_get_version();
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const int major = curversion / 10000;
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const int minor = (curversion / 100) % 100;
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const int patch = curversion % 100;
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SetObjItem(PyBool_FromLong(1));
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SetObjItem(PyC_Tuple_Pack_I32({major, minor, patch}));
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SetObjItem(PyUnicode_FromFormat("%2d, %2d, %2d", major, minor, patch));
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#else
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SetObjItem(PyBool_FromLong(0));
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SetObjItem(PyC_Tuple_Pack_I32({0, 0, 0}));
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SetStrItem("Unknown");
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#endif
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if (UNLIKELY(PyErr_Occurred())) {
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Py_DECREF(usd_info);
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return nullptr;
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}
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#undef SetStrItem
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#undef SetObjItem
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return usd_info;
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}
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PyObject *BPY_app_usd_struct()
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{
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PyStructSequence_InitType(&BlenderAppUSDType, &app_usd_info_desc);
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PyObject *ret = make_usd_info();
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/* prevent user from creating new instances */
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BlenderAppUSDType.tp_init = nullptr;
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BlenderAppUSDType.tp_new = nullptr;
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/* Without this we can't do `set(sys.modules)` #29635. */
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BlenderAppUSDType.tp_hash = (hashfunc)Py_HashPointer;
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return ret;
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}
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