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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.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/python/intern/bpy_rna_driver.c
* \ingroup pythonintern
*
* This file defines utility functions that use the RNA API, from PyDrivers.
*/
#include <Python.h>
#include "MEM_guardedalloc.h"
#include "BLI_utildefines.h"
#include "BKE_fcurve.h"
#include "RNA_access.h"
#include "bpy_rna.h"
#include "bpy_rna_driver.h" /* own include */
/**
* A version of #driver_get_variable_value which returns a PyObject.
*/
PyObject *pyrna_driver_get_variable_value(
struct ChannelDriver *driver, struct DriverTarget *dtar)
{
PyObject *driver_arg = NULL;
PointerRNA ptr;
PropertyRNA *prop = NULL;
int index;
if (driver_get_variable_property(driver, dtar, &ptr, &prop, &index)) {
if (prop) {
if (index != -1) {
if (index < RNA_property_array_length(&ptr, prop) && index >= 0) {
/* object, property & index */
driver_arg = pyrna_array_index(&ptr, prop, index);
}
else {
/* out of range, pass */
}
}
else {
/* object & property */
driver_arg = pyrna_prop_to_py(&ptr, prop);
}
}
else {
/* object only */
driver_arg = pyrna_struct_CreatePyObject(&ptr);
}
}
else {
/* can't resolve path, pass */
}
return driver_arg;
}
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