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blender/source/blender/python/bmesh/bmesh_py_ops.c

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/*
* ***** 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 "BLI_dynstr.h"
#include "MEM_guardedalloc.h"
#include "../generic/py_capi_utils.h"
#include "bmesh.h"
#include "bmesh_py_ops_call.h"
#include "bmesh_py_ops.h" /* own include */
#include "bmesh_py_types.h"
#include "bmesh_py_utils.h"
/* bmesh operator 'bmesh.ops.*' callable types
* ******************************************* */
PyTypeObject bmesh_op_Type;
static 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);
}
/* methods
* ======= */
/* __doc__
* ------- */
static char *bmp_slots_as_args(const BMOSlotType slot_types[BMO_OP_MAX_SLOTS], const bool is_out)
{
DynStr *dyn_str = BLI_dynstr_new();
char *ret;
int i = 0;
while (*slot_types[i].name) {
/* cut off '.out' by using a string size arg */
const int name_len = is_out ?
(strchr(slot_types[i].name, '.') - slot_types[i].name) :
sizeof(slot_types[i].name);
const char *value = "<Unknown>";
switch (slot_types[i].type) {
case BMO_OP_SLOT_BOOL: value = "False"; break;
case BMO_OP_SLOT_INT: value = "0"; break;
case BMO_OP_SLOT_FLT: value = "0.0"; break;
case BMO_OP_SLOT_PTR: value = "None"; break;
case BMO_OP_SLOT_MAT: value = "Matrix()"; break;
case BMO_OP_SLOT_VEC: value = "Vector()"; break;
case BMO_OP_SLOT_ELEMENT_BUF: value =
(slot_types[i].subtype.elem & BMO_OP_SLOT_SUBTYPE_ELEM_IS_SINGLE) ? "None" : "[]"; break;
case BMO_OP_SLOT_MAPPING: value = "{}"; break;
}
BLI_dynstr_appendf(dyn_str, i ? ", %.*s=%s" : "%.*s=%s", name_len, slot_types[i].name, value);
i++;
}
ret = BLI_dynstr_get_cstring(dyn_str);
BLI_dynstr_free(dyn_str);
return ret;
}
static PyObject *bpy_bmesh_op_doc_get(BPy_BMeshOpFunc *self, void *UNUSED(closure))
{
PyObject *ret;
char *slot_in;
char *slot_out;
int i;
i = BMO_opcode_from_opname(self->opname);
slot_in = bmp_slots_as_args(bmo_opdefines[i]->slot_types_in, false);
slot_out = bmp_slots_as_args(bmo_opdefines[i]->slot_types_out, true);
ret = PyUnicode_FromFormat("%.200s bmesh.ops.%.200s(bmesh, %s)\n -> dict(%s)",
Py_TYPE(self)->tp_name,
self->opname, slot_in, slot_out);
MEM_freeN(slot_in);
MEM_freeN(slot_out);
return ret;
}
static PyGetSetDef bpy_bmesh_op_getseters[] = {
{(char *)"__doc__", (getter)bpy_bmesh_op_doc_get, (setter)NULL, NULL, NULL},
{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
};
/* Types
* ===== */
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)BPy_BMO_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; */
bpy_bmesh_op_getseters, /* 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_ops_fakemod_getattro(PyObject *UNUSED(self), PyObject *pyname)
{
const char *opname = _PyUnicode_AsString(pyname);
if (BMO_opcode_from_opname(opname) != -1) {
return bpy_bmesh_op_CreatePyObject(opname);
}
else {
PyErr_Format(PyExc_AttributeError,
"BMeshOpsModule: operator \"%.200s\" doesn't exist",
opname);
return NULL;
}
}
static PyObject *bpy_bmesh_ops_fakemod_dir(PyObject *UNUSED(self))
{
const unsigned int tot = bmo_opdefines_total;
unsigned int i;
PyObject *ret;
ret = PyList_New(bmo_opdefines_total);
for (i = 0; i < tot; i++) {
PyList_SET_ITEM(ret, i, PyUnicode_FromString(bmo_opdefines[i]->opname));
}
return ret;
}
static struct PyMethodDef bpy_bmesh_ops_fakemod_methods[] = {
{"__dir__", (PyCFunction)bpy_bmesh_ops_fakemod_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_ops_fakemod_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_ops_fakemod_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;
}
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