358 lines
12 KiB
C
358 lines
12 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 "BLI_dynstr.h"
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#include "MEM_guardedalloc.h"
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#include "../generic/py_capi_utils.h"
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#include "bmesh.h"
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#include "bmesh_py_ops_call.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"
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/* bmesh operator 'bmesh.ops.*' callable types
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* ******************************************* */
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static PyTypeObject bmesh_op_Type;
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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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/* methods
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* ======= */
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/* __doc__
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* ------- */
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static char *bmp_slots_as_args(const BMOSlotType slot_types[BMO_OP_MAX_SLOTS], const bool is_out)
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{
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DynStr *dyn_str = BLI_dynstr_new();
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char *ret;
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int i = 0;
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while (*slot_types[i].name) {
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/* cut off '.out' by using a string size arg */
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const int name_len = is_out ?
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(strchr(slot_types[i].name, '.') - slot_types[i].name) :
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sizeof(slot_types[i].name);
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const char *value = "<Unknown>";
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switch (slot_types[i].type) {
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case BMO_OP_SLOT_BOOL: value = "False"; break;
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case BMO_OP_SLOT_INT: value = "0"; break;
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case BMO_OP_SLOT_FLT: value = "0.0"; break;
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case BMO_OP_SLOT_PTR: value = "None"; break;
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case BMO_OP_SLOT_MAT: value = "Matrix()"; break;
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case BMO_OP_SLOT_VEC: value = "Vector()"; break;
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case BMO_OP_SLOT_ELEMENT_BUF: value =
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(slot_types[i].subtype.elem & BMO_OP_SLOT_SUBTYPE_ELEM_IS_SINGLE) ? "None" : "[]"; break;
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case BMO_OP_SLOT_MAPPING: value = "{}"; break;
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}
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BLI_dynstr_appendf(dyn_str, i ? ", %.*s=%s" : "%.*s=%s", name_len, slot_types[i].name, value);
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i++;
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}
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ret = BLI_dynstr_get_cstring(dyn_str);
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BLI_dynstr_free(dyn_str);
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return ret;
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}
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static PyObject *bpy_bmesh_op_doc_get(BPy_BMeshOpFunc *self, void *UNUSED(closure))
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{
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PyObject *ret;
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char *slot_in;
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char *slot_out;
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int i;
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i = BMO_opcode_from_opname(self->opname);
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slot_in = bmp_slots_as_args(bmo_opdefines[i]->slot_types_in, false);
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slot_out = bmp_slots_as_args(bmo_opdefines[i]->slot_types_out, true);
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ret = PyUnicode_FromFormat("%.200s bmesh.ops.%.200s(bmesh, %s)\n -> dict(%s)",
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Py_TYPE(self)->tp_name,
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self->opname, slot_in, slot_out);
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MEM_freeN(slot_in);
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MEM_freeN(slot_out);
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return ret;
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}
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static PyGetSetDef bpy_bmesh_op_getseters[] = {
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{(char *)"__doc__", (getter)bpy_bmesh_op_doc_get, (setter)NULL, NULL, NULL},
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{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
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};
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/* Types
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* ===== */
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static 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)BPy_BMO_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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bpy_bmesh_op_getseters, /* struct PyGetSetDef *tp_getset; */
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NULL, /* struct _typeobject *tp_base; */
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NULL, /* PyObject *tp_dict; */
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NULL, /* descrgetfunc tp_descr_get; */
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NULL, /* descrsetfunc tp_descr_set; */
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0, /* long tp_dictoffset; */
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NULL, /* initproc tp_init; */
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NULL, /* allocfunc tp_alloc; */
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NULL, /* newfunc tp_new; */
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/* Low-level free-memory routine */
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NULL, /* freefunc tp_free; */
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/* For PyObject_IS_GC */
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NULL, /* inquiry tp_is_gc; */
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NULL, /* PyObject *tp_bases; */
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/* method resolution order */
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NULL, /* PyObject *tp_mro; */
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NULL, /* PyObject *tp_cache; */
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NULL, /* PyObject *tp_subclasses; */
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NULL, /* PyObject *tp_weaklist; */
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NULL
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};
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/* bmesh fake module 'bmesh.ops'
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* ***************************** */
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static PyObject *bpy_bmesh_ops_fakemod_getattro(PyObject *UNUSED(self), PyObject *pyname)
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{
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const char *opname = _PyUnicode_AsString(pyname);
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if (BMO_opcode_from_opname(opname) != -1) {
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return bpy_bmesh_op_CreatePyObject(opname);
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}
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else {
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PyErr_Format(PyExc_AttributeError,
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"BMeshOpsModule: operator \"%.200s\" doesn't exist",
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opname);
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return NULL;
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}
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}
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static PyObject *bpy_bmesh_ops_fakemod_dir(PyObject *UNUSED(self))
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{
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const unsigned int tot = bmo_opdefines_total;
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unsigned int i;
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PyObject *ret;
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ret = PyList_New(bmo_opdefines_total);
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for (i = 0; i < tot; i++) {
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PyList_SET_ITEM(ret, i, PyUnicode_FromString(bmo_opdefines[i]->opname));
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}
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return ret;
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}
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static struct PyMethodDef bpy_bmesh_ops_fakemod_methods[] = {
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{"__dir__", (PyCFunction)bpy_bmesh_ops_fakemod_dir, METH_NOARGS, NULL},
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{NULL, NULL, 0, NULL}
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};
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static PyTypeObject bmesh_ops_fakemod_Type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"BMeshOpsModule", /* tp_name */
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0, /* 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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NULL, /* 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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NULL, /* 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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bpy_bmesh_ops_fakemod_getattro, /* 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, /* subclassed */ /* 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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bpy_bmesh_ops_fakemod_methods, /* 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; */
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NULL, /* PyObject *tp_dict; */
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NULL, /* descrgetfunc tp_descr_get; */
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NULL, /* descrsetfunc tp_descr_set; */
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0, /* long tp_dictoffset; */
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NULL, /* initproc tp_init; */
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NULL, /* allocfunc tp_alloc; */
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NULL, /* newfunc tp_new; */
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/* Low-level free-memory routine */
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NULL, /* freefunc tp_free; */
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/* For PyObject_IS_GC */
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NULL, /* inquiry tp_is_gc; */
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NULL, /* PyObject *tp_bases; */
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/* method resolution order */
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NULL, /* PyObject *tp_mro; */
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NULL, /* PyObject *tp_cache; */
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NULL, /* PyObject *tp_subclasses; */
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NULL, /* PyObject *tp_weaklist; */
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NULL
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};
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PyObject *BPyInit_bmesh_ops(void)
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{
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PyObject *submodule;
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if (PyType_Ready(&bmesh_ops_fakemod_Type) < 0)
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return NULL;
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if (PyType_Ready(&bmesh_op_Type) < 0)
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return NULL;
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submodule = PyObject_New(PyObject, &bmesh_ops_fakemod_Type);
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/* prevent further creation of instances */
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bmesh_ops_fakemod_Type.tp_init = NULL;
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bmesh_ops_fakemod_Type.tp_new = NULL;
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return submodule;
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}
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