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/*
* 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.
*/
/** \file
* \ingroup pythonintern
*
* This file is so python can define operators that C can call into.
* The generic callback functions for python operators are defines in
* 'rna_wm.c', some calling into functions here to do python specific
* functionality.
*/
#include <Python.h>
#include "BLI_utildefines.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "bpy_intern_string.h"
#include "bpy_operator_wrap.h" /* own include */
#include "bpy_rna.h"
static void operator_properties_init(wmOperatorType *ot)
{
PyTypeObject *py_class = ot->rna_ext.data;
RNA_struct_blender_type_set(ot->rna_ext.srna, ot);
/* Only call this so pyrna_deferred_register_class gives a useful error
* WM_operatortype_append_ptr will call RNA_def_struct_identifier later.
*
* Note the 'no_struct_map' function is used since the actual struct name
* is already used by the operator.
*/
RNA_def_struct_identifier_no_struct_map(ot->srna, ot->idname);
if (pyrna_deferred_register_class(ot->srna, py_class) != 0) {
PyErr_Print(); /* failed to register operator props */
PyErr_Clear();
}
/* set the default property: ot->prop */
{
/* Picky developers will notice that 'bl_property' won't work with inheritance
* get direct from the dict to avoid raising a load of attribute errors (yes this isn't ideal)
* - campbell. */
PyObject *py_class_dict = py_class->tp_dict;
PyObject *bl_property = PyDict_GetItem(py_class_dict, bpy_intern_str_bl_property);
const char *prop_id;
bool prop_raise_error;
if (bl_property) {
if (PyUnicode_Check(bl_property)) {
/* since the property is explicitly given, raise an error if its not found */
prop_id = PyUnicode_AsUTF8(bl_property);
prop_raise_error = true;
}
else {
PyErr_Format(PyExc_ValueError,
"%.200s.bl_property should be a string, not %.200s",
ot->idname,
Py_TYPE(bl_property)->tp_name);
/* this could be done cleaner, for now its OK */
PyErr_Print();
PyErr_Clear();
prop_id = NULL;
prop_raise_error = false;
}
}
else {
/* fallback to hard-coded string (pre 2.66, could be deprecated) */
prop_id = "type";
prop_raise_error = false;
}
if (prop_id) {
PointerRNA ptr;
PropertyRNA *prop;
RNA_pointer_create(NULL, ot->srna, NULL, &ptr);
prop = RNA_struct_find_property(&ptr, prop_id);
if (prop) {
ot->prop = prop;
}
else {
if (prop_raise_error) {
PyErr_Format(
PyExc_ValueError, "%.200s.bl_property '%.200s' not found", ot->idname, prop_id);
/* this could be done cleaner, for now its OK */
PyErr_Print();
PyErr_Clear();
}
}
}
}
/* end 'ot->prop' assignment */
}
void BPY_RNA_operator_wrapper(wmOperatorType *ot, void *userdata)
{
/* take care not to overwrite anything set in
* WM_operatortype_append_ptr before opfunc() is called */
StructRNA *srna = ot->srna;
*ot = *((wmOperatorType *)userdata);
ot->srna = srna; /* restore */
/* Use i18n context from rna_ext.srna if possible (py operators). */
if (ot->rna_ext.srna) {
RNA_def_struct_translation_context(ot->srna, RNA_struct_translation_context(ot->rna_ext.srna));
}
operator_properties_init(ot);
}
void BPY_RNA_operator_macro_wrapper(wmOperatorType *ot, void *userdata)
{
wmOperatorType *data = (wmOperatorType *)userdata;
/* only copy a couple of things, the rest is set by the macro registration */
ot->name = data->name;
ot->idname = data->idname;
ot->description = data->description;
ot->flag |= data->flag; /* append flags to the one set by registration */
ot->pyop_poll = data->pyop_poll;
ot->ui = data->ui;
ot->rna_ext = data->rna_ext;
/* Use i18n context from rna_ext.srna if possible (py operators). */
if (ot->rna_ext.srna) {
RNA_def_struct_translation_context(ot->srna, RNA_struct_translation_context(ot->rna_ext.srna));
}
operator_properties_init(ot);
}
PyObject *PYOP_wrap_macro_define(PyObject *UNUSED(self), PyObject *args)
{
wmOperatorType *ot;
wmOperatorTypeMacro *otmacro;
PyObject *macro;
PointerRNA ptr_otmacro;
StructRNA *srna;
const char *opname;
const char *macroname;
if (!PyArg_ParseTuple(args, "Os:_bpy.ops.macro_define", ¯o, &opname)) {
return NULL;
}
if (WM_operatortype_find(opname, true) == NULL) {
PyErr_Format(PyExc_ValueError, "Macro Define: '%s' is not a valid operator id", opname);
return NULL;
}
/* identifiers */
srna = pyrna_struct_as_srna((PyObject *)macro, false, "Macro Define:");
if (srna == NULL) {
return NULL;
}
macroname = RNA_struct_identifier(srna);
ot = WM_operatortype_find(macroname, true);
if (!ot) {
PyErr_Format(PyExc_ValueError, "Macro Define: '%s' is not a valid macro", macroname);
return NULL;
}
otmacro = WM_operatortype_macro_define(ot, opname);
RNA_pointer_create(NULL, &RNA_OperatorMacro, otmacro, &ptr_otmacro);
return pyrna_struct_CreatePyObject(&ptr_otmacro);
}
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