Campbell Barton
3fd388fb06
- PyLong_FromSsize_t --> PyLong_FromLong - PyLong_AsSsize_t --> PyLong_AsLong In all places except for those where python api expects PySsize_t (index lookups mainly). - use PyBool_FromLong in a few areas of the BGE. - fix incorrect assumption in the BGE that PySequence_Check() means PySequence_Fast_ functions can be used.
639 lines
20 KiB
C
639 lines
20 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2012 Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Campbell Barton
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/python/bmesh/bmesh_py_ops.c
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* \ingroup pybmesh
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*
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* This file defines the 'bmesh.ops' module.
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* Operators from 'opdefines' are wrapped.
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*/
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#include <Python.h>
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#include "BLI_utildefines.h"
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#include "MEM_guardedalloc.h"
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#include "../generic/py_capi_utils.h"
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#include "../mathutils/mathutils.h"
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#include "bmesh.h"
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#include "bmesh_py_ops.h" /* own include */
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#include "bmesh_py_types.h"
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#include "bmesh_py_utils.h" /* own include */
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static int bpy_bm_op_as_py_error(BMesh *bm)
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{
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if (BMO_error_occurred(bm)) {
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const char *errmsg;
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if (BMO_error_get(bm, &errmsg, NULL)) {
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PyErr_Format(PyExc_RuntimeError,
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"bmesh operator: %.200s",
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errmsg);
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return -1;
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}
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}
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return 0;
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}
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/* bmesh operator 'bmesh.ops.*' callable types
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* ******************************************* */
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PyTypeObject bmesh_op_Type;
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typedef struct {
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PyObject_HEAD /* required python macro */
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const char *opname;
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} BPy_BMeshOpFunc;
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static PyObject *bpy_bmesh_op_CreatePyObject(const char *opname)
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{
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BPy_BMeshOpFunc *self = PyObject_New(BPy_BMeshOpFunc, &bmesh_op_Type);
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self->opname = opname;
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return (PyObject *)self;
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}
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static PyObject *bpy_bmesh_op_repr(BPy_BMeshOpFunc *self)
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{
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return PyUnicode_FromFormat("<%.200s bmesh.ops.%.200s()>",
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Py_TYPE(self)->tp_name,
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self->opname);
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}
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static PyObject *pyrna_op_call(BPy_BMeshOpFunc *self, PyObject *args, PyObject *kw)
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{
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PyObject *ret;
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BPy_BMesh *py_bm;
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BMesh *bm;
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BMOperator bmop;
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if ((PyTuple_GET_SIZE(args) == 1) &&
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(py_bm = (BPy_BMesh *)PyTuple_GET_ITEM(args, 0)) &&
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(BPy_BMesh_Check(py_bm))
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)
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{
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BPY_BM_CHECK_OBJ(py_bm);
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bm = py_bm->bm;
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}
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else {
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PyErr_SetString(PyExc_TypeError,
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"calling a bmesh operator expects a single BMesh (non keyword) "
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"as the first argument");
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return NULL;
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}
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/* TODO - error check this!, though we do the error check on attribute access */
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/* TODO - make flags optional */
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BMO_op_init(bm, &bmop, BMO_FLAG_DEFAULTS, self->opname);
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if (kw && PyDict_Size(kw) > 0) {
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/* setup properties, see bpy_rna.c: pyrna_py_to_prop()
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* which shares this logic for parsing properties */
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PyObject *key, *value;
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Py_ssize_t pos = 0;
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while (PyDict_Next(kw, &pos, &key, &value)) {
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const char *slot_name = _PyUnicode_AsString(key);
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BMOpSlot *slot = BMO_slot_get(bmop.slots_in, slot_name);
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if (slot == NULL) {
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" is invalid for this operator",
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self->opname, slot_name);
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return NULL;
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}
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/* now assign the value */
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switch (slot->slot_type) {
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case BMO_OP_SLOT_BOOL:
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{
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int param;
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param = PyLong_AsLong(value);
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if (param < 0) {
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" expected True/False or 0/1, not %.200s",
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self->opname, slot_name, Py_TYPE(value)->tp_name);
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return NULL;
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}
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else {
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BMO_SLOT_AS_BOOL(slot) = param;
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}
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break;
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}
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case BMO_OP_SLOT_INT:
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{
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int overflow;
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long param = PyLong_AsLongAndOverflow(value, &overflow);
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if (overflow || (param > INT_MAX) || (param < INT_MIN)) {
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PyErr_Format(PyExc_ValueError,
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"%.200s: keyword \"%.200s\" value not in 'int' range "
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"(" STRINGIFY(INT_MIN) ", " STRINGIFY(INT_MAX) ")",
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self->opname, slot_name, Py_TYPE(value)->tp_name);
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return NULL;
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}
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else if (param == -1 && PyErr_Occurred()) {
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" expected an int, not %.200s",
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self->opname, slot_name, Py_TYPE(value)->tp_name);
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return NULL;
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}
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else {
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BMO_SLOT_AS_INT(slot) = (int)param;
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}
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break;
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}
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case BMO_OP_SLOT_FLT:
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{
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float param = PyFloat_AsDouble(value);
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if (param == -1 && PyErr_Occurred()) {
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" expected a float, not %.200s",
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self->opname, slot_name, Py_TYPE(value)->tp_name);
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return NULL;
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}
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else {
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BMO_SLOT_AS_FLOAT(slot) = param;
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}
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break;
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}
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case BMO_OP_SLOT_MAT:
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{
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/* XXX - BMesh operator design is crappy here, operator slot should define matrix size,
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* not the caller! */
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unsigned short size;
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if (!MatrixObject_Check(value)) {
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" expected a Matrix, not %.200s",
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self->opname, slot_name, Py_TYPE(value)->tp_name);
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return NULL;
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}
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else if (BaseMath_ReadCallback((MatrixObject *)value) == -1) {
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return NULL;
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}
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else if (((size = ((MatrixObject *)value)->num_col) != ((MatrixObject *)value)->num_row) ||
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(ELEM(size, 3, 4) == FALSE))
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{
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" expected a 3x3 or 4x4 matrix Matrix",
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self->opname, slot_name);
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return NULL;
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}
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BMO_slot_mat_set(&bmop, bmop.slots_in, slot_name, ((MatrixObject *)value)->matrix, size);
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break;
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}
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case BMO_OP_SLOT_VEC:
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{
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/* passing slot name here is a bit non-descriptive */
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if (mathutils_array_parse(BMO_SLOT_AS_VECTOR(slot), 3, 3, value, slot_name) == -1) {
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return NULL;
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}
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break;
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}
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case BMO_OP_SLOT_ELEMENT_BUF:
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{
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/* there are many ways we could interpret arguments, for now...
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* - verts/edges/faces from the mesh direct,
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* this way the operator takes every item.
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* - `TODO` a plain python sequence (list) of elements.
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* - `TODO` an iterator. eg.
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* face.verts
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* - `TODO` (type, flag) pair, eg.
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* ('VERT', {'TAG'})
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*/
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#define BPY_BM_GENERIC_MESH_TEST(type_string) \
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if (((BPy_BMGeneric *)value)->bm != bm) { \
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PyErr_Format(PyExc_NotImplementedError, \
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"%.200s: keyword \"%.200s\" " type_string " are from another bmesh", \
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self->opname, slot_name, slot->slot_type); \
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return NULL; \
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} (void)0
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if (BPy_BMVertSeq_Check(value)) {
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BPY_BM_GENERIC_MESH_TEST("verts");
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BMO_slot_buffer_from_all(bm, &bmop, bmop.slots_in, slot_name, BM_VERT);
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}
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else if (BPy_BMEdgeSeq_Check(value)) {
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BPY_BM_GENERIC_MESH_TEST("edges");
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BMO_slot_buffer_from_all(bm, &bmop, bmop.slots_in, slot_name, BM_EDGE);
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}
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else if (BPy_BMFaceSeq_Check(value)) {
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BPY_BM_GENERIC_MESH_TEST("faces");
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BMO_slot_buffer_from_all(bm, &bmop, bmop.slots_in, slot_name, BM_FACE);
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}
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else if (BPy_BMElemSeq_Check(value)) {
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BMIter iter;
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BMHeader *ele;
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int tot;
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unsigned int i;
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BPY_BM_GENERIC_MESH_TEST("elements");
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/* this will loop over all elements which is a shame but
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* we need to know this before alloc */
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/* calls bpy_bmelemseq_length() */
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tot = Py_TYPE(value)->tp_as_sequence->sq_length((PyObject *)self);
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BMO_slot_buffer_alloc(&bmop, bmop.slots_in, slot_name, tot);
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i = 0;
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BM_ITER_BPY_BM_SEQ (ele, &iter, ((BPy_BMElemSeq *)value)) {
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slot->data.buf[i] = ele;
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i++;
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}
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}
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/* keep this last */
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else if (PySequence_Check(value)) {
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BMElem **elem_array = NULL;
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Py_ssize_t elem_array_len;
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elem_array = BPy_BMElem_PySeq_As_Array(&bm, value, 0, PY_SSIZE_T_MAX,
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&elem_array_len, BM_VERT | BM_EDGE | BM_FACE,
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TRUE, TRUE, slot_name);
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/* error is set above */
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if (elem_array == NULL) {
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return NULL;
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}
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BMO_slot_buffer_alloc(&bmop, bmop.slots_in, slot_name, elem_array_len);
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memcpy(slot->data.buf, elem_array, sizeof(void *) * elem_array_len);
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PyMem_FREE(elem_array);
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}
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else {
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PyErr_Format(PyExc_TypeError,
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"%.200s: keyword \"%.200s\" expected "
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"a bmesh sequence, list, (htype, flag) pair, not %.200s",
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self->opname, slot_name, Py_TYPE(value)->tp_name);
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return NULL;
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}
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#undef BPY_BM_GENERIC_MESH_TEST
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break;
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}
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default:
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/* TODO --- many others */
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PyErr_Format(PyExc_NotImplementedError,
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"%.200s: keyword \"%.200s\" type %d not working yet!",
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self->opname, slot_name, slot->slot_type);
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return NULL;
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break;
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}
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}
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}
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BMO_op_exec(bm, &bmop);
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/* from here until the end of the function, no returns, just set 'ret' */
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if (UNLIKELY(bpy_bm_op_as_py_error(bm) == -1)) {
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ret = NULL; /* exception raised above */
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}
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else if (bmop.slots_out[0].slot_name == NULL) {
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ret = (Py_INCREF(Py_None), Py_None);
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}
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else {
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/* build return value */
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int i;
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ret = PyDict_New();
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for (i = 0; bmop.slots_out[i].slot_name; i++) {
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// BMOpDefine *op_def = opdefines[bmop.type];
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// BMOSlotType *slot_type = op_def->slot_types_out[i];
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BMOpSlot *slot = &bmop.slots_out[i];
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PyObject *item = NULL;
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/* keep switch in same order as above */
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switch (slot->slot_type) {
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case BMO_OP_SLOT_BOOL:
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item = PyBool_FromLong((BMO_SLOT_AS_BOOL(slot)));
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break;
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case BMO_OP_SLOT_INT:
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item = PyLong_FromLong(BMO_SLOT_AS_INT(slot));
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break;
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case BMO_OP_SLOT_FLT:
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item = PyFloat_FromDouble((double)BMO_SLOT_AS_FLOAT(slot));
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break;
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case BMO_OP_SLOT_MAT:
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item = Matrix_CreatePyObject((float *)BMO_SLOT_AS_MATRIX(slot), 4, 4, Py_NEW, NULL);
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break;
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case BMO_OP_SLOT_VEC:
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item = Vector_CreatePyObject(BMO_SLOT_AS_VECTOR(slot), slot->len, Py_NEW, NULL);
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break;
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case BMO_OP_SLOT_ELEMENT_BUF:
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{
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const int size = slot->len;
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void **buffer = BMO_SLOT_AS_BUFFER(slot);
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int j;
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item = PyList_New(size);
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for (j = 0; j < size; j++) {
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BMHeader *ele = buffer[i];
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PyList_SET_ITEM(item, j, ele ? BPy_BMElem_CreatePyObject(bm, ele) : (Py_INCREF(Py_None), Py_None));
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}
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break;
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}
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case BMO_OP_SLOT_MAPPING:
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{
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GHash *slot_hash = BMO_SLOT_AS_GHASH(slot);
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GHashIterator *hash_iter;
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item = PyDict_New();
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for (hash_iter = BLI_ghashIterator_new(slot_hash);
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!BLI_ghashIterator_isDone(hash_iter);
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BLI_ghashIterator_step(hash_iter) )
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{
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BMHeader *ele_key = BLI_ghashIterator_getKey(hash_iter);
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BMHeader **ele_val = BLI_ghashIterator_getValue(hash_iter);
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PyObject *py_key = ele_key ? BPy_BMElem_CreatePyObject(bm, ele_key) : (Py_INCREF(Py_None), Py_None);
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PyObject *py_val = *ele_val ? BPy_BMElem_CreatePyObject(bm, *ele_val) : (Py_INCREF(Py_None), Py_None);
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PyDict_SetItem(ret, py_key, py_val);
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Py_DECREF(py_key);
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Py_DECREF(py_val);
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}
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BLI_ghashIterator_free(hash_iter);
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break;
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}
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}
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BLI_assert(item != NULL);
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if (item == NULL) {
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item = (Py_INCREF(Py_None), Py_None);
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}
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#if 1
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/* temp code, strip off '.out' while we keep this convention */
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{
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char slot_name_strip[MAX_SLOTNAME];
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char *ch = strchr(slot->slot_name, '.'); /* can't fail! */
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int tot = ch - slot->slot_name;
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BLI_assert(ch != NULL);
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memcpy(slot_name_strip, slot->slot_name, tot);
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slot_name_strip[tot] = '\0';
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PyDict_SetItemString(ret, slot_name_strip, item);
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}
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#else
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PyDict_SetItemString(ret, slot->slot_name, item);
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#endif
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Py_DECREF(item);
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}
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}
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BMO_op_finish(bm, &bmop);
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return ret;
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}
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PyTypeObject bmesh_op_Type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"BMeshOpFunc", /* tp_name */
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sizeof(BPy_BMeshOpFunc), /* tp_basicsize */
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0, /* tp_itemsize */
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/* methods */
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NULL, /* tp_dealloc */
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NULL, /* printfunc tp_print; */
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NULL, /* getattrfunc tp_getattr; */
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NULL, /* setattrfunc tp_setattr; */
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NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
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(reprfunc) bpy_bmesh_op_repr, /* tp_repr */
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/* Method suites for standard classes */
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NULL, /* PyNumberMethods *tp_as_number; */
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NULL, /* PySequenceMethods *tp_as_sequence; */
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NULL, /* PyMappingMethods *tp_as_mapping; */
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/* More standard operations (here for binary compatibility) */
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NULL, /* hashfunc tp_hash; */
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(ternaryfunc)pyrna_op_call, /* ternaryfunc tp_call; */
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NULL, /* reprfunc tp_str; */
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/* will only use these if this is a subtype of a py class */
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NULL, /* getattrofunc tp_getattro; */
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NULL, /* setattrofunc tp_setattro; */
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/* Functions to access object as input/output buffer */
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NULL, /* PyBufferProcs *tp_as_buffer; */
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/*** Flags to define presence of optional/expanded features ***/
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Py_TPFLAGS_DEFAULT, /* long tp_flags; */
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NULL, /* char *tp_doc; Documentation string */
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/*** Assigned meaning in release 2.0 ***/
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/* call function for all accessible objects */
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NULL, /* traverseproc tp_traverse; */
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/* delete references to contained objects */
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NULL, /* inquiry tp_clear; */
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/*** Assigned meaning in release 2.1 ***/
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/*** rich comparisons ***/
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NULL, /* richcmpfunc tp_richcompare; */
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/*** weak reference enabler ***/
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0,
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/*** Added in release 2.2 ***/
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/* Iterators */
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NULL, /* getiterfunc tp_iter; */
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NULL, /* iternextfunc tp_iternext; */
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/*** Attribute descriptor and subclassing stuff ***/
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NULL, /* struct PyMethodDef *tp_methods; */
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NULL, /* struct PyMemberDef *tp_members; */
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NULL, /* struct PyGetSetDef *tp_getset; */
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NULL, /* struct _typeobject *tp_base; */
|
|
NULL, /* PyObject *tp_dict; */
|
|
NULL, /* descrgetfunc tp_descr_get; */
|
|
NULL, /* descrsetfunc tp_descr_set; */
|
|
0, /* long tp_dictoffset; */
|
|
NULL, /* initproc tp_init; */
|
|
NULL, /* allocfunc tp_alloc; */
|
|
NULL, /* newfunc tp_new; */
|
|
/* Low-level free-memory routine */
|
|
NULL, /* freefunc tp_free; */
|
|
/* For PyObject_IS_GC */
|
|
NULL, /* inquiry tp_is_gc; */
|
|
NULL, /* PyObject *tp_bases; */
|
|
/* method resolution order */
|
|
NULL, /* PyObject *tp_mro; */
|
|
NULL, /* PyObject *tp_cache; */
|
|
NULL, /* PyObject *tp_subclasses; */
|
|
NULL, /* PyObject *tp_weaklist; */
|
|
NULL
|
|
};
|
|
|
|
|
|
/* bmesh fake module 'bmesh.ops'
|
|
* ***************************** */
|
|
|
|
static PyObject *bpy_bmesh_fmod_getattro(PyObject *UNUSED(self), PyObject *pyname)
|
|
{
|
|
const unsigned int tot = bmesh_total_ops;
|
|
unsigned int i;
|
|
const char *opname = _PyUnicode_AsString(pyname);
|
|
|
|
for (i = 0; i < tot; i++) {
|
|
if (strcmp(opdefines[i]->opname, opname) == 0) {
|
|
return bpy_bmesh_op_CreatePyObject(opdefines[i]->opname);
|
|
}
|
|
}
|
|
|
|
PyErr_Format(PyExc_AttributeError,
|
|
"BMeshOpsModule: operator \"%.200s\" doesn't exist",
|
|
opname);
|
|
return NULL;
|
|
}
|
|
|
|
static PyObject *bpy_bmesh_fmod_dir(PyObject *UNUSED(self))
|
|
{
|
|
const unsigned int tot = bmesh_total_ops;
|
|
unsigned int i;
|
|
PyObject *ret;
|
|
|
|
ret = PyList_New(bmesh_total_ops);
|
|
|
|
for (i = 0; i < tot; i++) {
|
|
PyList_SET_ITEM(ret, i, PyUnicode_FromString(opdefines[i]->opname));
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct PyMethodDef bpy_bmesh_fmod_methods[] = {
|
|
{"__dir__", (PyCFunction)bpy_bmesh_fmod_dir, METH_NOARGS, NULL},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
static PyTypeObject bmesh_ops_fakemod_Type = {
|
|
PyVarObject_HEAD_INIT(NULL, 0)
|
|
"BMeshOpsModule", /* tp_name */
|
|
0, /* tp_basicsize */
|
|
0, /* tp_itemsize */
|
|
/* methods */
|
|
NULL, /* tp_dealloc */
|
|
NULL, /* printfunc tp_print; */
|
|
NULL, /* getattrfunc tp_getattr; */
|
|
NULL, /* setattrfunc tp_setattr; */
|
|
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
|
|
NULL, /* tp_repr */
|
|
|
|
/* Method suites for standard classes */
|
|
|
|
NULL, /* PyNumberMethods *tp_as_number; */
|
|
NULL, /* PySequenceMethods *tp_as_sequence; */
|
|
NULL, /* PyMappingMethods *tp_as_mapping; */
|
|
|
|
/* More standard operations (here for binary compatibility) */
|
|
|
|
NULL, /* hashfunc tp_hash; */
|
|
NULL, /* ternaryfunc tp_call; */
|
|
NULL, /* reprfunc tp_str; */
|
|
|
|
/* will only use these if this is a subtype of a py class */
|
|
bpy_bmesh_fmod_getattro, /* getattrofunc tp_getattro; */
|
|
NULL, /* setattrofunc tp_setattro; */
|
|
|
|
/* Functions to access object as input/output buffer */
|
|
NULL, /* PyBufferProcs *tp_as_buffer; */
|
|
|
|
/*** Flags to define presence of optional/expanded features ***/
|
|
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
|
|
|
|
NULL, /* char *tp_doc; Documentation string */
|
|
/*** Assigned meaning in release 2.0 ***/
|
|
/* call function for all accessible objects */
|
|
NULL, /* traverseproc tp_traverse; */
|
|
|
|
/* delete references to contained objects */
|
|
NULL, /* inquiry tp_clear; */
|
|
|
|
/*** Assigned meaning in release 2.1 ***/
|
|
/*** rich comparisons ***/
|
|
NULL, /* subclassed */ /* richcmpfunc tp_richcompare; */
|
|
|
|
/*** weak reference enabler ***/
|
|
0,
|
|
/*** Added in release 2.2 ***/
|
|
/* Iterators */
|
|
NULL, /* getiterfunc tp_iter; */
|
|
NULL, /* iternextfunc tp_iternext; */
|
|
|
|
/*** Attribute descriptor and subclassing stuff ***/
|
|
bpy_bmesh_fmod_methods, /* struct PyMethodDef *tp_methods; */
|
|
NULL, /* struct PyMemberDef *tp_members; */
|
|
NULL, /* struct PyGetSetDef *tp_getset; */
|
|
NULL, /* struct _typeobject *tp_base; */
|
|
NULL, /* PyObject *tp_dict; */
|
|
NULL, /* descrgetfunc tp_descr_get; */
|
|
NULL, /* descrsetfunc tp_descr_set; */
|
|
0, /* long tp_dictoffset; */
|
|
NULL, /* initproc tp_init; */
|
|
NULL, /* allocfunc tp_alloc; */
|
|
NULL, /* newfunc tp_new; */
|
|
/* Low-level free-memory routine */
|
|
NULL, /* freefunc tp_free; */
|
|
/* For PyObject_IS_GC */
|
|
NULL, /* inquiry tp_is_gc; */
|
|
NULL, /* PyObject *tp_bases; */
|
|
/* method resolution order */
|
|
NULL, /* PyObject *tp_mro; */
|
|
NULL, /* PyObject *tp_cache; */
|
|
NULL, /* PyObject *tp_subclasses; */
|
|
NULL, /* PyObject *tp_weaklist; */
|
|
NULL
|
|
};
|
|
|
|
PyObject *BPyInit_bmesh_ops(void)
|
|
{
|
|
PyObject *submodule;
|
|
|
|
if (PyType_Ready(&bmesh_ops_fakemod_Type) < 0)
|
|
return NULL;
|
|
|
|
if (PyType_Ready(&bmesh_op_Type) < 0)
|
|
return NULL;
|
|
|
|
submodule = PyObject_New(PyObject, &bmesh_ops_fakemod_Type);
|
|
|
|
/* prevent further creation of instances */
|
|
bmesh_ops_fakemod_Type.tp_init = NULL;
|
|
bmesh_ops_fakemod_Type.tp_new = NULL;
|
|
|
|
return submodule;
|
|
}
|