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Diffstat (limited to 'source/blender/python/bmesh/bmesh_py_ops.c')
-rw-r--r--source/blender/python/bmesh/bmesh_py_ops.c543
1 files changed, 543 insertions, 0 deletions
diff --git a/source/blender/python/bmesh/bmesh_py_ops.c b/source/blender/python/bmesh/bmesh_py_ops.c
new file mode 100644
index 00000000000..53ddcecd7a8
--- /dev/null
+++ b/source/blender/python/bmesh/bmesh_py_ops.c
@@ -0,0 +1,543 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2012 Blender Foundation.
+ * All rights reserved.
+ *
+ * Contributor(s): Campbell Barton
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/python/bmesh/bmesh_py_ops.c
+ * \ingroup pybmesh
+ *
+ * This file defines the 'bmesh.ops' module.
+ * Operators from 'opdefines' are wrapped.
+ */
+
+#include <Python.h>
+
+#include "BLI_utildefines.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "../generic/py_capi_utils.h"
+
+#include "../mathutils/mathutils.h"
+
+#include "bmesh.h"
+
+#include "bmesh_py_types.h"
+
+#include "bmesh_py_utils.h" /* own include */
+
+static int bpy_bm_op_as_py_error(BMesh *bm)
+{
+ if (BMO_error_occurred(bm)) {
+ const char *errmsg;
+ if (BMO_error_get(bm, &errmsg, NULL)) {
+ PyErr_Format(PyExc_RuntimeError,
+ "bmesh operator: %.200s",
+ errmsg);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+/* bmesh operator 'bmesh.ops.*' callable types
+ * ******************************************* */
+PyTypeObject bmesh_op_Type;
+
+typedef struct {
+ PyObject_HEAD /* required python macro */
+ const char *opname;
+} BPy_BMeshOpFunc;
+
+PyObject *bpy_bmesh_op_CreatePyObject(const char *opname)
+{
+ BPy_BMeshOpFunc *self = PyObject_New(BPy_BMeshOpFunc, &bmesh_op_Type);
+
+ self->opname = opname;
+
+ return (PyObject *)self;
+}
+
+static PyObject *bpy_bmesh_op_repr(BPy_BMeshOpFunc *self)
+{
+ return PyUnicode_FromFormat("<%.200s bmesh.ops.%.200s()>",
+ Py_TYPE(self)->tp_name,
+ self->opname);
+}
+
+
+static PyObject *pyrna_op_call(BPy_BMeshOpFunc *self, PyObject *args, PyObject *kw)
+{
+ BPy_BMesh *py_bm;
+ BMesh *bm;
+
+ BMOperator bmop;
+
+ if ((PyTuple_GET_SIZE(args) == 1) &&
+ (py_bm = (BPy_BMesh *)PyTuple_GET_ITEM(args, 0)) &&
+ (BPy_BMesh_Check(py_bm))
+ )
+ {
+ BPY_BM_CHECK_OBJ(py_bm);
+ bm = py_bm->bm;
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError,
+ "calling a bmesh operator expects a single BMesh (non keyword) "
+ "as the first argument");
+ return NULL;
+ }
+
+ /* TODO - error check this!, though we do the error check on attribute access */
+ BMO_op_init(bm, &bmop, self->opname);
+
+ if (kw && PyDict_Size(kw) > 0) {
+ /* setup properties, see bpy_rna.c: pyrna_py_to_prop()
+ * which shares this logic for parsing properties */
+
+ PyObject *key, *value;
+ Py_ssize_t pos = 0;
+ while (PyDict_Next(kw, &pos, &key, &value)) {
+ const char *slot_name = _PyUnicode_AsString(key);
+ BMOpSlot *slot = BMO_slot_get(&bmop, slot_name);
+
+ if (slot == NULL) {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" is invalid for this operator",
+ self->opname, slot_name);
+ return NULL;
+ }
+
+ /* now assign the value */
+ switch (slot->slot_type) {
+ case BMO_OP_SLOT_BOOL:
+ {
+ int param;
+
+ param = PyLong_AsLong(value);
+
+ if (param < 0) {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" expected True/False or 0/1, not %.200s",
+ self->opname, slot_name, Py_TYPE(value)->tp_name);
+ return NULL;
+ }
+ else {
+ slot->data.i = param;
+ }
+
+ break;
+ }
+ case BMO_OP_SLOT_INT:
+ {
+ int overflow;
+ long param = PyLong_AsLongAndOverflow(value, &overflow);
+ if (overflow || (param > INT_MAX) || (param < INT_MIN)) {
+ PyErr_Format(PyExc_ValueError,
+ "%.200s: keyword \"%.200s\" value not in 'int' range "
+ "(" STRINGIFY(INT_MIN) ", " STRINGIFY(INT_MAX) ")",
+ self->opname, slot_name, Py_TYPE(value)->tp_name);
+ return NULL;
+ }
+ else if (param == -1 && PyErr_Occurred()) {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" expected an int, not %.200s",
+ self->opname, slot_name, Py_TYPE(value)->tp_name);
+ return NULL;
+ }
+ else {
+ slot->data.i = (int)param;
+ }
+ break;
+ }
+ case BMO_OP_SLOT_FLT:
+ {
+ float param = PyFloat_AsDouble(value);
+ if (param == -1 && PyErr_Occurred()) {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" expected a float, not %.200s",
+ self->opname, slot_name, Py_TYPE(value)->tp_name);
+ return NULL;
+ }
+ else {
+ slot->data.f = param;
+ }
+ break;
+ }
+ case BMO_OP_SLOT_MAT:
+ {
+ /* XXX - BMesh operator design is crappy here, operator slot should define matrix size,
+ * not the caller! */
+ unsigned short size;
+ if (!MatrixObject_Check(value)) {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" expected a Matrix, not %.200s",
+ self->opname, slot_name, Py_TYPE(value)->tp_name);
+ return NULL;
+ }
+ else if (BaseMath_ReadCallback((MatrixObject *)value) == -1) {
+ return NULL;
+ }
+ else if (((size = ((MatrixObject *)value)->num_col) != ((MatrixObject *)value)->num_row) ||
+ (ELEM(size, 3, 4) == FALSE))
+ {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" expected a 3x3 or 4x4 matrix Matrix",
+ self->opname, slot_name);
+ return NULL;
+ }
+
+ BMO_slot_mat_set(&bmop, slot_name, ((MatrixObject *)value)->matrix, size);
+ break;
+ }
+ case BMO_OP_SLOT_VEC:
+ {
+ /* passing slot name here is a bit non-descriptive */
+ if (mathutils_array_parse(slot->data.vec, 3, 3, value, slot_name) == -1) {
+ return NULL;
+ }
+ break;
+ }
+ case BMO_OP_SLOT_ELEMENT_BUF:
+ {
+ /* there are many ways we could interpret arguments, for now...
+ * - verts/edges/faces from the mesh direct,
+ * this way the operator takes every item.
+ * - `TODO` a plain python sequence (list) of elements.
+ * - `TODO` an iterator. eg.
+ * face.verts
+ * - `TODO` (type, flag) pair, eg.
+ * ('VERT', {'TAG'})
+ */
+
+#define BPY_BM_GENERIC_MESH_TEST(type_string) \
+ if (((BPy_BMGeneric *)value)->bm != bm) { \
+ PyErr_Format(PyExc_NotImplementedError, \
+ "%.200s: keyword \"%.200s\" " type_string " are from another bmesh", \
+ self->opname, slot_name, slot->slot_type); \
+ return NULL; \
+ } (void)0
+
+ if (BPy_BMVertSeq_Check(value)) {
+ BPY_BM_GENERIC_MESH_TEST("verts");
+ BMO_slot_buffer_from_all(bm, &bmop, slot_name, BM_VERT);
+ }
+ else if (BPy_BMEdgeSeq_Check(value)) {
+ BPY_BM_GENERIC_MESH_TEST("edges");
+ BMO_slot_buffer_from_all(bm, &bmop, slot_name, BM_EDGE);
+ }
+ else if (BPy_BMFaceSeq_Check(value)) {
+ BPY_BM_GENERIC_MESH_TEST("faces");
+ BMO_slot_buffer_from_all(bm, &bmop, slot_name, BM_FACE);
+ }
+ else if (BPy_BMElemSeq_Check(value)) {
+ BMIter iter;
+ BMHeader *ele;
+ int tot;
+ unsigned int i;
+
+ BPY_BM_GENERIC_MESH_TEST("elements");
+
+ /* this will loop over all elements which is a shame but
+ * we need to know this before alloc */
+ /* calls bpy_bmelemseq_length() */
+ tot = Py_TYPE(value)->tp_as_sequence->sq_length((PyObject *)self);
+
+ BMO_slot_buffer_alloc(&bmop, slot_name, tot);
+
+ i = 0;
+ BM_ITER_BPY_BM_SEQ (ele, &iter, ((BPy_BMElemSeq *)value)) {
+ ((void **)slot->data.buf)[i] = (void *)ele;
+ i++;
+ }
+ }
+ /* keep this last */
+ else if (PySequence_Check(value)) {
+ BMElem **elem_array = NULL;
+ Py_ssize_t elem_array_len;
+
+ elem_array = BPy_BMElem_PySeq_As_Array(&bm, value, 0, PY_SSIZE_T_MAX,
+ &elem_array_len, BM_VERT | BM_EDGE | BM_FACE,
+ TRUE, TRUE, slot_name);
+
+ /* error is set above */
+ if (elem_array == NULL) {
+ return NULL;
+ }
+
+ BMO_slot_buffer_alloc(&bmop, slot_name, elem_array_len);
+ memcpy(slot->data.buf, elem_array, sizeof(void *) * elem_array_len);
+ PyMem_FREE(elem_array);
+ }
+ else {
+ PyErr_Format(PyExc_TypeError,
+ "%.200s: keyword \"%.200s\" expected "
+ "a bmesh sequence, list, (htype, flag) pair, not %.200s",
+ self->opname, slot_name, Py_TYPE(value)->tp_name);
+ return NULL;
+ }
+
+#undef BPY_BM_GENERIC_MESH_TEST
+
+ break;
+ }
+ default:
+ /* TODO --- many others */
+ PyErr_Format(PyExc_NotImplementedError,
+ "%.200s: keyword \"%.200s\" type %d not working yet!",
+ self->opname, slot_name, slot->slot_type);
+ return NULL;
+ break;
+ }
+ }
+ }
+
+ BMO_op_exec(bm, &bmop);
+ BMO_op_finish(bm, &bmop);
+
+ if (bpy_bm_op_as_py_error(bm) == -1) {
+ return NULL;
+ }
+
+ Py_RETURN_NONE;
+}
+
+
+PyTypeObject bmesh_op_Type = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ "BMeshOpFunc", /* tp_name */
+ sizeof(BPy_BMeshOpFunc), /* 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! */
+ (reprfunc) bpy_bmesh_op_repr, /* 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; */
+ (ternaryfunc)pyrna_op_call, /* ternaryfunc tp_call; */
+ NULL, /* reprfunc tp_str; */
+
+ /* will only use these if this is a subtype of a py class */
+ NULL, /* 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, /* 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 ***/
+ NULL, /* 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
+};
+
+
+/* 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 *name = _PyUnicode_AsString(pyname);
+
+ for (i = 0; i < tot; i++) {
+ if (strcmp(opdefines[i]->name, name) == 0) {
+ return bpy_bmesh_op_CreatePyObject(opdefines[i]->name);
+ }
+ }
+
+ PyErr_Format(PyExc_AttributeError,
+ "BMeshOpsModule: , operator \"%.200s\" doesn't exist",
+ name);
+ 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]->name));
+ }
+
+ 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;
+}