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blender-archive/source/blender/python/intern/bpy_rna.c

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/*
* $Id$
*
* ***** 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.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/python/intern/bpy_rna.c
* \ingroup pythonintern
*/
#include <Python.h>
#include <stddef.h>
#include <float.h> /* FLT_MIN/MAX */
#include "RNA_types.h"
#include "bpy_rna.h"
#include "bpy_rna_anim.h"
#include "bpy_props.h"
#include "bpy_util.h"
#include "bpy_rna_callback.h"
#include "bpy_intern_string.h"
#ifdef USE_PYRNA_INVALIDATE_WEAKREF
#include "MEM_guardedalloc.h"
#endif
#include "BLI_dynstr.h"
#include "BLI_string.h"
#include "BLI_listbase.h"
#include "BLI_math_rotation.h"
#include "BLI_utildefines.h"
#ifdef USE_PYRNA_INVALIDATE_WEAKREF
#include "BLI_ghash.h"
#endif
#include "RNA_enum_types.h"
#include "RNA_define.h" /* RNA_def_property_free_identifier */
#include "RNA_access.h"
#include "MEM_guardedalloc.h"
#include "BKE_idcode.h"
#include "BKE_context.h"
#include "BKE_global.h" /* evil G.* */
#include "BKE_report.h"
#include "BKE_idprop.h"
#include "BKE_animsys.h"
#include "BKE_fcurve.h"
#include "../generic/IDProp.h" /* for IDprop lookups */
#include "../generic/py_capi_utils.h"
#define USE_PEDANTIC_WRITE
#define USE_MATHUTILS
#define USE_STRING_COERCE
static PyObject* pyrna_struct_Subtype(PointerRNA *ptr);
static PyObject *pyrna_prop_collection_values(BPy_PropertyRNA *self);
int pyrna_struct_validity_check(BPy_StructRNA *pysrna)
{
if(pysrna->ptr.type)
return 0;
PyErr_Format(PyExc_ReferenceError, "StructRNA of type %.200s has been removed", Py_TYPE(pysrna)->tp_name);
return -1;
}
int pyrna_prop_validity_check(BPy_PropertyRNA *self)
{
if(self->ptr.type)
return 0;
PyErr_Format(PyExc_ReferenceError,
"PropertyRNA of type %.200s.%.200s has been removed",
Py_TYPE(self)->tp_name, RNA_property_identifier(self->prop));
return -1;
}
#if defined(USE_PYRNA_INVALIDATE_GC) || defined(USE_PYRNA_INVALIDATE_WEAKREF)
static void pyrna_invalidate(BPy_DummyPointerRNA *self)
{
self->ptr.type= NULL; /* this is checked for validity */
self->ptr.id.data= NULL; /* should not be needed but prevent bad pointer access, just incase */
}
#endif
#ifdef USE_PYRNA_INVALIDATE_GC
#define FROM_GC(g) ((PyObject *)(((PyGC_Head *)g)+1))
/* only for sizeof() */
struct gc_generation {
PyGC_Head head;
int threshold;
int count;
} gc_generation;
static void id_release_gc(struct ID *id)
{
unsigned int j;
// unsigned int i= 0;
for(j=0; j<3; j++) {
/* hack below to get the 2 other lists from _PyGC_generation0 that are normally not exposed */
PyGC_Head *gen= (PyGC_Head *)(((char *)_PyGC_generation0) + (sizeof(gc_generation) * j));
PyGC_Head *g= gen->gc.gc_next;
while ((g= g->gc.gc_next) != gen) {
PyObject *ob= FROM_GC(g);
if(PyType_IsSubtype(Py_TYPE(ob), &pyrna_struct_Type) || PyType_IsSubtype(Py_TYPE(ob), &pyrna_prop_Type)) {
BPy_DummyPointerRNA *ob_ptr= (BPy_DummyPointerRNA *)ob;
if(ob_ptr->ptr.id.data == id) {
pyrna_invalidate(ob_ptr);
// printf("freeing: %p %s, %.200s\n", (void *)ob, id->name, Py_TYPE(ob)->tp_name);
// i++;
}
}
}
}
// printf("id_release_gc freed '%s': %d\n", id->name, i);
}
#endif
#ifdef USE_PYRNA_INVALIDATE_WEAKREF
//#define DEBUG_RNA_WEAKREF
struct GHash *id_weakref_pool= NULL;
static PyObject *id_free_weakref_cb(PyObject *weakinfo_pair, PyObject *weakref);
static PyMethodDef id_free_weakref_cb_def= {"id_free_weakref_cb", (PyCFunction)id_free_weakref_cb, METH_O, NULL};
/* adds a reference to the list, remember to decref */
static GHash *id_weakref_pool_get(ID *id)
{
GHash *weakinfo_hash= NULL;
if(id_weakref_pool) {
weakinfo_hash= BLI_ghash_lookup(id_weakref_pool, (void *)id);
}
else {
/* first time, allocate pool */
id_weakref_pool= BLI_ghash_new(BLI_ghashutil_ptrhash, BLI_ghashutil_ptrcmp, "rna_global_pool");
weakinfo_hash= NULL;
}
if(weakinfo_hash==NULL) {
/* we're using a ghash as a set, could use libHX's HXMAP_SINGULAR but would be an extra dep. */
weakinfo_hash= BLI_ghash_new(BLI_ghashutil_ptrhash, BLI_ghashutil_ptrcmp, "rna_id");
BLI_ghash_insert(id_weakref_pool, (void *)id, weakinfo_hash);
}
return weakinfo_hash;
}
/* called from pyrna_struct_CreatePyObject() and pyrna_prop_CreatePyObject() */
void id_weakref_pool_add(ID *id, BPy_DummyPointerRNA *pyrna)
{
PyObject *weakref;
PyObject *weakref_capsule;
PyObject *weakref_cb_py;
/* create a new function instance and insert the list as 'self' so we can remove ourself from it */
GHash *weakinfo_hash= id_weakref_pool_get(id); /* new or existing */
weakref_capsule= PyCapsule_New(weakinfo_hash, NULL, NULL);
weakref_cb_py= PyCFunction_New(&id_free_weakref_cb_def, weakref_capsule);
Py_DECREF(weakref_capsule);
/* add weakref to weakinfo_hash list */
weakref= PyWeakref_NewRef((PyObject *)pyrna, weakref_cb_py);
Py_DECREF(weakref_cb_py); /* function owned by the weakref now */
/* important to add at the end, since first removal looks at the end */
BLI_ghash_insert(weakinfo_hash, (void *)weakref, id); /* using a hash table as a set, all 'id's are the same */
/* weakinfo_hash owns the weakref */
}
/* workaround to get the last id without a lookup */
static ID *_id_tmp_ptr;
static void value_id_set(void *id)
{
_id_tmp_ptr= (ID *)id;
}
static void id_release_weakref_list(struct ID *id, GHash *weakinfo_hash);
static PyObject *id_free_weakref_cb(PyObject *weakinfo_capsule, PyObject *weakref)
{
/* important to search backwards */
GHash *weakinfo_hash= PyCapsule_GetPointer(weakinfo_capsule, NULL);
if(BLI_ghash_size(weakinfo_hash) > 1) {
BLI_ghash_remove(weakinfo_hash, weakref, NULL, NULL);
}
else { /* get the last id and free it */
BLI_ghash_remove(weakinfo_hash, weakref, NULL, value_id_set);
id_release_weakref_list(_id_tmp_ptr, weakinfo_hash);
}
Py_DECREF(weakref);
Py_RETURN_NONE;
}
static void id_release_weakref_list(struct ID *id, GHash *weakinfo_hash)
{
GHashIterator weakinfo_hash_iter;
BLI_ghashIterator_init(&weakinfo_hash_iter, weakinfo_hash);
#ifdef DEBUG_RNA_WEAKREF
fprintf(stdout, "id_release_weakref: '%s', %d items\n", id->name, BLI_ghash_size(weakinfo_hash));
#endif
while (!BLI_ghashIterator_isDone(&weakinfo_hash_iter)) {
PyObject *weakref= (PyObject *)BLI_ghashIterator_getKey(&weakinfo_hash_iter);
PyObject *item= PyWeakref_GET_OBJECT(weakref);
if(item != Py_None) {
#ifdef DEBUG_RNA_WEAKREF
PyC_ObSpit("id_release_weakref item ", item);
#endif
pyrna_invalidate((BPy_DummyPointerRNA *)item);
}
Py_DECREF(weakref);
BLI_ghashIterator_step(&weakinfo_hash_iter);
}
BLI_ghash_remove(id_weakref_pool, (void *)id, NULL, NULL);
BLI_ghash_free(weakinfo_hash, NULL, NULL);
if(BLI_ghash_size(id_weakref_pool) == 0) {
BLI_ghash_free(id_weakref_pool, NULL, NULL);
id_weakref_pool= NULL;
#ifdef DEBUG_RNA_WEAKREF
printf("id_release_weakref freeing pool\n");
#endif
}
}
static void id_release_weakref(struct ID *id)
{
GHash *weakinfo_hash= BLI_ghash_lookup(id_weakref_pool, (void *)id);
if(weakinfo_hash) {
id_release_weakref_list(id, weakinfo_hash);
}
}
#endif /* USE_PYRNA_INVALIDATE_WEAKREF */
void BPY_id_release(struct ID *id)
{
#ifdef USE_PYRNA_INVALIDATE_GC
id_release_gc(id);
#endif
#ifdef USE_PYRNA_INVALIDATE_WEAKREF
if(id_weakref_pool) {
PyGILState_STATE gilstate= PyGILState_Ensure();
id_release_weakref(id);
PyGILState_Release(gilstate);
}
#endif /* USE_PYRNA_INVALIDATE_WEAKREF */
(void)id;
}
#ifdef USE_PEDANTIC_WRITE
static short rna_disallow_writes= FALSE;
static int rna_id_write_error(PointerRNA *ptr, PyObject *key)
{
ID *id= ptr->id.data;
if(id) {
const short idcode= GS(id->name);
if(!ELEM(idcode, ID_WM, ID_SCR)) { /* may need more added here */
const char *idtype= BKE_idcode_to_name(idcode);
const char *pyname;
if(key && PyUnicode_Check(key)) pyname= _PyUnicode_AsString(key);
else pyname= "<UNKNOWN>";
/* make a nice string error */
BLI_assert(idtype != NULL);
PyErr_Format(PyExc_AttributeError,
"Writing to ID classes in this context is not allowed: "
"%.200s, %.200s datablock, error setting %.200s.%.200s",
id->name+2, idtype, RNA_struct_identifier(ptr->type), pyname);
return TRUE;
}
}
return FALSE;
}
#endif // USE_PEDANTIC_WRITE
#ifdef USE_PEDANTIC_WRITE
int pyrna_write_check(void)
{
return !rna_disallow_writes;
}
void pyrna_write_set(int val)
{
rna_disallow_writes= !val;
}
#else // USE_PEDANTIC_WRITE
int pyrna_write_check(void)
{
return TRUE;
}
void pyrna_write_set(int UNUSED(val))
{
/* nothing */
}
#endif // USE_PEDANTIC_WRITE
static Py_ssize_t pyrna_prop_collection_length(BPy_PropertyRNA *self);
static Py_ssize_t pyrna_prop_array_length(BPy_PropertyArrayRNA *self);
static int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, void *data, PyObject *value, const char *error_prefix);
static int deferred_register_prop(StructRNA *srna, PyObject *key, PyObject *item);
#ifdef USE_MATHUTILS
#include "../mathutils/mathutils.h" /* so we can have mathutils callbacks */
static PyObject *pyrna_prop_array_subscript_slice(BPy_PropertyArrayRNA *self, PointerRNA *ptr, PropertyRNA *prop, Py_ssize_t start, Py_ssize_t stop, Py_ssize_t length);
static short pyrna_rotation_euler_order_get(PointerRNA *ptr, PropertyRNA **prop_eul_order, short order_fallback);
/* bpyrna vector/euler/quat callbacks */
static int mathutils_rna_array_cb_index= -1; /* index for our callbacks */
/* subtype not used much yet */
#define MATHUTILS_CB_SUBTYPE_EUL 0
#define MATHUTILS_CB_SUBTYPE_VEC 1
#define MATHUTILS_CB_SUBTYPE_QUAT 2
#define MATHUTILS_CB_SUBTYPE_COLOR 3
static int mathutils_rna_generic_check(BaseMathObject *bmo)
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
PYRNA_PROP_CHECK_INT(self)
return self->prop ? 0 : -1;
}
static int mathutils_rna_vector_get(BaseMathObject *bmo, int subtype)
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
PYRNA_PROP_CHECK_INT(self)
if(self->prop==NULL)
return -1;
RNA_property_float_get_array(&self->ptr, self->prop, bmo->data);
/* Euler order exception */
if(subtype==MATHUTILS_CB_SUBTYPE_EUL) {
EulerObject *eul= (EulerObject *)bmo;
PropertyRNA *prop_eul_order= NULL;
eul->order= pyrna_rotation_euler_order_get(&self->ptr, &prop_eul_order, eul->order);
}
return 0;
}
static int mathutils_rna_vector_set(BaseMathObject *bmo, int subtype)
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
float min, max;
PYRNA_PROP_CHECK_INT(self)
if(self->prop==NULL)
return -1;
#ifdef USE_PEDANTIC_WRITE
if(rna_disallow_writes && rna_id_write_error(&self->ptr, NULL)) {
return -1;
}
#endif // USE_PEDANTIC_WRITE
if (!RNA_property_editable_flag(&self->ptr, self->prop)) {
PyErr_Format(PyExc_AttributeError,
"bpy_prop \"%.200s.%.200s\" is read-only",
RNA_struct_identifier(self->ptr.type), RNA_property_identifier(self->prop));
return -1;
}
RNA_property_float_range(&self->ptr, self->prop, &min, &max);
if(min != FLT_MIN || max != FLT_MAX) {
int i, len= RNA_property_array_length(&self->ptr, self->prop);
for(i=0; i<len; i++) {
CLAMP(bmo->data[i], min, max);
}
}
RNA_property_float_set_array(&self->ptr, self->prop, bmo->data);
if(RNA_property_update_check(self->prop)) {
RNA_property_update(BPy_GetContext(), &self->ptr, self->prop);
}
/* Euler order exception */
if(subtype==MATHUTILS_CB_SUBTYPE_EUL) {
EulerObject *eul= (EulerObject *)bmo;
PropertyRNA *prop_eul_order= NULL;
short order= pyrna_rotation_euler_order_get(&self->ptr, &prop_eul_order, eul->order);
if(order != eul->order) {
RNA_property_enum_set(&self->ptr, prop_eul_order, eul->order);
if(RNA_property_update_check(prop_eul_order)) {
RNA_property_update(BPy_GetContext(), &self->ptr, prop_eul_order);
}
}
}
return 0;
}
static int mathutils_rna_vector_get_index(BaseMathObject *bmo, int UNUSED(subtype), int index)
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
PYRNA_PROP_CHECK_INT(self)
if(self->prop==NULL)
return -1;
bmo->data[index]= RNA_property_float_get_index(&self->ptr, self->prop, index);
return 0;
}
static int mathutils_rna_vector_set_index(BaseMathObject *bmo, int UNUSED(subtype), int index)
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
PYRNA_PROP_CHECK_INT(self)
if(self->prop==NULL)
return -1;
#ifdef USE_PEDANTIC_WRITE
if(rna_disallow_writes && rna_id_write_error(&self->ptr, NULL)) {
return -1;
}
#endif // USE_PEDANTIC_WRITE
if (!RNA_property_editable_flag(&self->ptr, self->prop)) {
PyErr_Format(PyExc_AttributeError,
"bpy_prop \"%.200s.%.200s\" is read-only",
RNA_struct_identifier(self->ptr.type), RNA_property_identifier(self->prop));
return -1;
}
RNA_property_float_clamp(&self->ptr, self->prop, &bmo->data[index]);
RNA_property_float_set_index(&self->ptr, self->prop, index, bmo->data[index]);
if(RNA_property_update_check(self->prop)) {
RNA_property_update(BPy_GetContext(), &self->ptr, self->prop);
}
return 0;
}
static Mathutils_Callback mathutils_rna_array_cb= {
(BaseMathCheckFunc) mathutils_rna_generic_check,
(BaseMathGetFunc) mathutils_rna_vector_get,
(BaseMathSetFunc) mathutils_rna_vector_set,
(BaseMathGetIndexFunc) mathutils_rna_vector_get_index,
(BaseMathSetIndexFunc) mathutils_rna_vector_set_index
};
/* bpyrna matrix callbacks */
static int mathutils_rna_matrix_cb_index= -1; /* index for our callbacks */
static int mathutils_rna_matrix_get(BaseMathObject *bmo, int UNUSED(subtype))
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
PYRNA_PROP_CHECK_INT(self)
if(self->prop==NULL)
return -1;
RNA_property_float_get_array(&self->ptr, self->prop, bmo->data);
return 0;
}
static int mathutils_rna_matrix_set(BaseMathObject *bmo, int UNUSED(subtype))
{
BPy_PropertyRNA *self= (BPy_PropertyRNA *)bmo->cb_user;
PYRNA_PROP_CHECK_INT(self)
if(self->prop==NULL)
return -1;
#ifdef USE_PEDANTIC_WRITE
if(rna_disallow_writes && rna_id_write_error(&self->ptr, NULL)) {
return -1;
}
#endif // USE_PEDANTIC_WRITE
if (!RNA_property_editable_flag(&self->ptr, self->prop)) {
PyErr_Format(PyExc_AttributeError,
"bpy_prop \"%.200s.%.200s\" is read-only",
RNA_struct_identifier(self->ptr.type), RNA_property_identifier(self->prop));
return -1;
}
/* can ignore clamping here */
RNA_property_float_set_array(&self->ptr, self->prop, bmo->data);
if(RNA_property_update_check(self->prop)) {
RNA_property_update(BPy_GetContext(), &self->ptr, self->prop);
}
return 0;
}
static Mathutils_Callback mathutils_rna_matrix_cb= {
mathutils_rna_generic_check,
mathutils_rna_matrix_get,
mathutils_rna_matrix_set,
NULL,
NULL
};
static short pyrna_rotation_euler_order_get(PointerRNA *ptr, PropertyRNA **prop_eul_order, short order_fallback)
{
/* attempt to get order */
if(*prop_eul_order==NULL)
*prop_eul_order= RNA_struct_find_property(ptr, "rotation_mode");
if(*prop_eul_order) {
short order= RNA_property_enum_get(ptr, *prop_eul_order);
if (order >= EULER_ORDER_XYZ && order <= EULER_ORDER_ZYX) /* could be quat or axisangle */
return order;
}
return order_fallback;
}
#endif // USE_MATHUTILS
/* note that PROP_NONE is included as a vector subtype. this is because its handy to
* have x/y access to fcurve keyframes and other fixed size float arrays of length 2-4. */
#define PROP_ALL_VECTOR_SUBTYPES PROP_COORDS: case PROP_TRANSLATION: case PROP_DIRECTION: case PROP_VELOCITY: case PROP_ACCELERATION: case PROP_XYZ: case PROP_XYZ_LENGTH
PyObject *pyrna_math_object_from_array(PointerRNA *ptr, PropertyRNA *prop)
{
PyObject *ret= NULL;
#ifdef USE_MATHUTILS
int subtype, totdim;
int len;
int is_thick;
int flag= RNA_property_flag(prop);
/* disallow dynamic sized arrays to be wrapped since the size could change
* to a size mathutils does not support */
if ((RNA_property_type(prop) != PROP_FLOAT) || (flag & PROP_DYNAMIC))
return NULL;
len= RNA_property_array_length(ptr, prop);
subtype= RNA_property_subtype(prop);
totdim= RNA_property_array_dimension(ptr, prop, NULL);
is_thick= (flag & PROP_THICK_WRAP);
if (totdim == 1 || (totdim == 2 && subtype == PROP_MATRIX)) {
if(!is_thick)
ret= pyrna_prop_CreatePyObject(ptr, prop); /* owned by the mathutils PyObject */
switch(RNA_property_subtype(prop)) {
case PROP_ALL_VECTOR_SUBTYPES:
if(len>=2 && len <= 4) {
if(is_thick) {
ret= newVectorObject(NULL, len, Py_NEW, NULL);
RNA_property_float_get_array(ptr, prop, ((VectorObject *)ret)->vec);
}
else {
PyObject *vec_cb= newVectorObject_cb(ret, len, mathutils_rna_array_cb_index, MATHUTILS_CB_SUBTYPE_VEC);
Py_DECREF(ret); /* the vector owns now */
ret= vec_cb; /* return the vector instead */
}
}
break;
case PROP_MATRIX:
if(len==16) {
if(is_thick) {
ret= newMatrixObject(NULL, 4, 4, Py_NEW, NULL);
RNA_property_float_get_array(ptr, prop, ((MatrixObject *)ret)->contigPtr);
}
else {
PyObject *mat_cb= newMatrixObject_cb(ret, 4,4, mathutils_rna_matrix_cb_index, FALSE);
Py_DECREF(ret); /* the matrix owns now */
ret= mat_cb; /* return the matrix instead */
}
}
else if (len==9) {
if(is_thick) {
ret= newMatrixObject(NULL, 3, 3, Py_NEW, NULL);
RNA_property_float_get_array(ptr, prop, ((MatrixObject *)ret)->contigPtr);
}
else {
PyObject *mat_cb= newMatrixObject_cb(ret, 3,3, mathutils_rna_matrix_cb_index, FALSE);
Py_DECREF(ret); /* the matrix owns now */
ret= mat_cb; /* return the matrix instead */
}
}
break;
case PROP_EULER:
case PROP_QUATERNION:
if(len==3) { /* euler */
if(is_thick) {
/* attempt to get order, only needed for thick types since wrapped with update via callbacks */
PropertyRNA *prop_eul_order= NULL;
short order= pyrna_rotation_euler_order_get(ptr, &prop_eul_order, EULER_ORDER_XYZ);
ret= newEulerObject(NULL, order, Py_NEW, NULL); // TODO, get order from RNA
RNA_property_float_get_array(ptr, prop, ((EulerObject *)ret)->eul);
}
else {
/* order will be updated from callback on use */
PyObject *eul_cb= newEulerObject_cb(ret, EULER_ORDER_XYZ, mathutils_rna_array_cb_index, MATHUTILS_CB_SUBTYPE_EUL); // TODO, get order from RNA
Py_DECREF(ret); /* the euler owns now */
ret= eul_cb; /* return the euler instead */
}
}
else if (len==4) {
if(is_thick) {
ret= newQuaternionObject(NULL, Py_NEW, NULL);
RNA_property_float_get_array(ptr, prop, ((QuaternionObject *)ret)->quat);
}
else {
PyObject *quat_cb= newQuaternionObject_cb(ret, mathutils_rna_array_cb_index, MATHUTILS_CB_SUBTYPE_QUAT);
Py_DECREF(ret); /* the quat owns now */
ret= quat_cb; /* return the quat instead */
}
}
break;
case PROP_COLOR:
case PROP_COLOR_GAMMA:
if(len==3) { /* color */
if(is_thick) {
ret= newColorObject(NULL, Py_NEW, NULL); // TODO, get order from RNA
RNA_property_float_get_array(ptr, prop, ((ColorObject *)ret)->col);
}
else {
PyObject *col_cb= newColorObject_cb(ret, mathutils_rna_array_cb_index, MATHUTILS_CB_SUBTYPE_COLOR);
Py_DECREF(ret); /* the color owns now */
ret= col_cb; /* return the color instead */
}
}
default:
break;
}
}
if(ret==NULL) {
if(is_thick) {
/* this is an array we cant reference (since its not thin wrappable)
* and cannot be coerced into a mathutils type, so return as a list */
ret= pyrna_prop_array_subscript_slice(NULL, ptr, prop, 0, len, len);
}
else {
ret= pyrna_prop_CreatePyObject(ptr, prop); /* owned by the mathutils PyObject */
}
}
#else // USE_MATHUTILS
(void)ptr;
(void)prop;
#endif // USE_MATHUTILS
return ret;
}
/* same as RNA_enum_value_from_id but raises an exception */
int pyrna_enum_value_from_id(EnumPropertyItem *item, const char *identifier, int *value, const char *error_prefix)
{
if(RNA_enum_value_from_id(item, identifier, value) == 0) {
const char *enum_str= BPy_enum_as_string(item);
PyErr_Format(PyExc_TypeError,
"%s: '%.200s' not found in (%s)",
error_prefix, identifier, enum_str);
MEM_freeN((void *)enum_str);
return -1;
}
return 0;
}
static int pyrna_struct_compare(BPy_StructRNA *a, BPy_StructRNA *b)
{
return (a->ptr.data==b->ptr.data) ? 0 : -1;
}
static int pyrna_prop_compare(BPy_PropertyRNA *a, BPy_PropertyRNA *b)
{
return (a->prop==b->prop && a->ptr.data==b->ptr.data) ? 0 : -1;
}
static PyObject *pyrna_struct_richcmp(PyObject *a, PyObject *b, int op)
{
PyObject *res;
int ok= -1; /* zero is true */
if (BPy_StructRNA_Check(a) && BPy_StructRNA_Check(b))
ok= pyrna_struct_compare((BPy_StructRNA *)a, (BPy_StructRNA *)b);
switch (op) {
case Py_NE:
ok= !ok; /* pass through */
case Py_EQ:
res= ok ? Py_False : Py_True;
break;
case Py_LT:
case Py_LE:
case Py_GT:
case Py_GE:
res= Py_NotImplemented;
break;
default:
PyErr_BadArgument();
return NULL;
}
return Py_INCREF(res), res;
}
static PyObject *pyrna_prop_richcmp(PyObject *a, PyObject *b, int op)
{
PyObject *res;
int ok= -1; /* zero is true */
if (BPy_PropertyRNA_Check(a) && BPy_PropertyRNA_Check(b))
ok= pyrna_prop_compare((BPy_PropertyRNA *)a, (BPy_PropertyRNA *)b);
switch (op) {
case Py_NE:
ok= !ok; /* pass through */
case Py_EQ:
res= ok ? Py_False : Py_True;
break;
case Py_LT:
case Py_LE:
case Py_GT:
case Py_GE:
res= Py_NotImplemented;
break;
default:
PyErr_BadArgument();
return NULL;
}
return Py_INCREF(res), res;
}
/*----------------------repr--------------------------------------------*/
static PyObject *pyrna_struct_str(BPy_StructRNA *self)
{
PyObject *ret;
const char *name;
if(!PYRNA_STRUCT_IS_VALID(self)) {
return PyUnicode_FromFormat("<bpy_struct, %.200s dead>", Py_TYPE(self)->tp_name);
}
/* print name if available */
name= RNA_struct_name_get_alloc(&self->ptr, NULL, FALSE);
if(name) {
ret= PyUnicode_FromFormat("<bpy_struct, %.200s(\"%.200s\")>", RNA_struct_identifier(self->ptr.type), name);
MEM_freeN((void *)name);
return ret;
}
return PyUnicode_FromFormat("<bpy_struct, %.200s at %p>", RNA_struct_identifier(self->ptr.type), self->ptr.data);
}
static PyObject *pyrna_struct_repr(BPy_StructRNA *self)
{
ID *id= self->ptr.id.data;
if(id == NULL || !PYRNA_STRUCT_IS_VALID(self))
return pyrna_struct_str(self); /* fallback */
if(RNA_struct_is_ID(self->ptr.type)) {
return PyUnicode_FromFormat("bpy.data.%s[\"%s\"]", BKE_idcode_to_name_plural(GS(id->name)), id->name+2);
}
else {
PyObject *ret;
const char *path;
path= RNA_path_from_ID_to_struct(&self->ptr);
if(path) {
ret= PyUnicode_FromFormat("bpy.data.%s[\"%s\"].%s", BKE_idcode_to_name_plural(GS(id->name)), id->name+2, path);
MEM_freeN((void *)path);
}
else { /* cant find, print something sane */
ret= PyUnicode_FromFormat("bpy.data.%s[\"%s\"]...%s", BKE_idcode_to_name_plural(GS(id->name)), id->name+2, RNA_struct_identifier(self->ptr.type));
}
return ret;
}
}
static PyObject *pyrna_prop_str(BPy_PropertyRNA *self)
{
PyObject *ret;
PointerRNA ptr;
const char *name;
const char *type_id= NULL;
char type_fmt[64]= "";
int type;
PYRNA_PROP_CHECK_OBJ(self)
type= RNA_property_type(self->prop);
if(RNA_enum_id_from_value(property_type_items, type, &type_id)==0) {
PyErr_SetString(PyExc_RuntimeError, "could not use property type, internal error"); /* should never happen */
return NULL;
}
else {
/* this should never fail */
int len= -1;
char *c= type_fmt;
while ((*c++= tolower(*type_id++))) {} ;
if(type==PROP_COLLECTION) {
len= pyrna_prop_collection_length(self);
}
else if (RNA_property_array_check(&self->ptr, self->prop)) {
len= pyrna_prop_array_length((BPy_PropertyArrayRNA *)self);
}
if(len != -1)
sprintf(--c, "[%d]", len);
}
/* if a pointer, try to print name of pointer target too */
if(RNA_property_type(self->prop) == PROP_POINTER) {
ptr= RNA_property_pointer_get(&self->ptr, self->prop);
name= RNA_struct_name_get_alloc(&ptr, NULL, FALSE);
if(name) {
ret= PyUnicode_FromFormat("<bpy_%.200s, %.200s.%.200s(\"%.200s\")>", type_fmt, RNA_struct_identifier(self->ptr.type), RNA_property_identifier(self->prop), name);
MEM_freeN((void *)name);
return ret;
}
}
if(RNA_property_type(self->prop) == PROP_COLLECTION) {
PointerRNA r_ptr;
if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr)) {
return PyUnicode_FromFormat("<bpy_%.200s, %.200s>", type_fmt, RNA_struct_identifier(r_ptr.type));
}
}
return PyUnicode_FromFormat("<bpy_%.200s, %.200s.%.200s>", type_fmt, RNA_struct_identifier(self->ptr.type), RNA_property_identifier(self->prop));
}
static PyObject *pyrna_prop_repr(BPy_PropertyRNA *self)
{
ID *id;
PyObject *ret;
const char *path;
PYRNA_PROP_CHECK_OBJ(self)
if((id= self->ptr.id.data) == NULL)
return pyrna_prop_str(self); /* fallback */
path= RNA_path_from_ID_to_property(&self->ptr, self->prop);
if(path) {
ret= PyUnicode_FromFormat("bpy.data.%s[\"%s\"].%s", BKE_idcode_to_name_plural(GS(id->name)), id->name+2, path);
MEM_freeN((void *)path);
}
else { /* cant find, print something sane */
ret= PyUnicode_FromFormat("bpy.data.%s[\"%s\"]...%s", BKE_idcode_to_name_plural(GS(id->name)), id->name+2, RNA_property_identifier(self->prop));
}
return ret;
}
static PyObject *pyrna_func_repr(BPy_FunctionRNA *self)
{
return PyUnicode_FromFormat("<%.200s %.200s.%.200s()>", Py_TYPE(self)->tp_name, RNA_struct_identifier(self->ptr.type), RNA_function_identifier(self->func));
}
static long pyrna_struct_hash(BPy_StructRNA *self)
{
return _Py_HashPointer(self->ptr.data);
}
/* from python's meth_hash v3.1.2 */
static long pyrna_prop_hash(BPy_PropertyRNA *self)
{
long x, y;
if (self->ptr.data == NULL)
x= 0;
else {
x= _Py_HashPointer(self->ptr.data);
if (x == -1)
return -1;
}
y= _Py_HashPointer((void*)(self->prop));
if (y == -1)
return -1;
x ^= y;
if (x == -1)
x= -2;
return x;
}
#ifdef USE_PYRNA_STRUCT_REFERENCE
static int pyrna_struct_traverse(BPy_StructRNA *self, visitproc visit, void *arg)
{
Py_VISIT(self->reference);
return 0;
}
static int pyrna_struct_clear(BPy_StructRNA *self)
{
Py_CLEAR(self->reference);
return 0;
}
#endif /* !USE_PYRNA_STRUCT_REFERENCE */
/* use our own dealloc so we can free a property if we use one */
static void pyrna_struct_dealloc(BPy_StructRNA *self)
{
if (self->freeptr && self->ptr.data) {
IDP_FreeProperty(self->ptr.data);
MEM_freeN(self->ptr.data);
self->ptr.data= NULL;
}
#ifdef USE_WEAKREFS
if (self->in_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject *)self);
}
#endif
#ifdef USE_PYRNA_STRUCT_REFERENCE
if(self->reference) {
PyObject_GC_UnTrack(self);
pyrna_struct_clear(self);
}
#endif /* !USE_PYRNA_STRUCT_REFERENCE */
/* Note, for subclassed PyObjects we cant just call PyObject_DEL() directly or it will crash */
Py_TYPE(self)->tp_free(self);
}
#ifdef USE_PYRNA_STRUCT_REFERENCE
static void pyrna_struct_reference_set(BPy_StructRNA *self, PyObject *reference)
{
if(self->reference) {
// PyObject_GC_UnTrack(self); /* INITIALIZED TRACKED? */
pyrna_struct_clear(self);
}
/* reference is now NULL */
if(reference) {
self->reference= reference;
Py_INCREF(reference);
// PyObject_GC_Track(self); /* INITIALIZED TRACKED? */
}
}
#endif /* !USE_PYRNA_STRUCT_REFERENCE */
/* use our own dealloc so we can free a property if we use one */
static void pyrna_prop_dealloc(BPy_PropertyRNA *self)
{
#ifdef USE_WEAKREFS
if (self->in_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject *)self);
}
#endif
/* Note, for subclassed PyObjects we cant just call PyObject_DEL() directly or it will crash */
Py_TYPE(self)->tp_free(self);
}
static void pyrna_prop_array_dealloc(BPy_PropertyRNA *self)
{
#ifdef USE_WEAKREFS
if (self->in_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject *)self);
}
#endif
/* Note, for subclassed PyObjects we cant just call PyObject_DEL() directly or it will crash */
Py_TYPE(self)->tp_free(self);
}
static const char *pyrna_enum_as_string(PointerRNA *ptr, PropertyRNA *prop)
{
EnumPropertyItem *item;
const char *result;
int free= FALSE;
RNA_property_enum_items(BPy_GetContext(), ptr, prop, &item, NULL, &free);
if(item) {
result= BPy_enum_as_string(item);
}
else {
result= "";
}
if(free)
MEM_freeN(item);
return result;
}
static int pyrna_string_to_enum(PyObject *item, PointerRNA *ptr, PropertyRNA *prop, int *val, const char *error_prefix)
{
const char *param= _PyUnicode_AsString(item);
if (param==NULL) {
const char *enum_str= pyrna_enum_as_string(ptr, prop);
PyErr_Format(PyExc_TypeError,
"%.200s expected a string enum type in (%.200s)",
error_prefix, enum_str);
MEM_freeN((void *)enum_str);
return 0;
}
else {
/* hack so that dynamic enums used for operator properties will be able to be built (i.e. context will be supplied to itemf)
* and thus running defining operator buttons for such operators in UI will work */
RNA_def_property_clear_flag(prop, PROP_ENUM_NO_CONTEXT);
if (!RNA_property_enum_value(BPy_GetContext(), ptr, prop, param, val)) {
const char *enum_str= pyrna_enum_as_string(ptr, prop);
PyErr_Format(PyExc_TypeError,
"%.200s enum \"%.200s\" not found in (%.200s)",
error_prefix, param, enum_str);
MEM_freeN((void *)enum_str);
return 0;
}
}
return 1;
}
int pyrna_set_to_enum_bitfield(EnumPropertyItem *items, PyObject *value, int *r_value, const char *error_prefix)
{
/* set of enum items, concatenate all values with OR */
int ret, flag= 0;
/* set looping */
Py_ssize_t pos= 0;
Py_ssize_t hash= 0;
PyObject *key;
*r_value= 0;
while (_PySet_NextEntry(value, &pos, &key, &hash)) {
const char *param= _PyUnicode_AsString(key);
if(param==NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s expected a string, not %.200s",
error_prefix, Py_TYPE(key)->tp_name);
return -1;
}
if(pyrna_enum_value_from_id(items, param, &ret, error_prefix) < 0)
return -1;
flag |= ret;
}
*r_value= flag;
return 0;
}
static int pyrna_prop_to_enum_bitfield(PointerRNA *ptr, PropertyRNA *prop, PyObject *value, int *r_value, const char *error_prefix)
{
EnumPropertyItem *item;
int ret;
int free= FALSE;
*r_value= 0;
RNA_property_enum_items(BPy_GetContext(), ptr, prop, &item, NULL, &free);
if(item) {
ret= pyrna_set_to_enum_bitfield(item, value, r_value, error_prefix);
}
else {
if(PySet_GET_SIZE(value)) {
PyErr_Format(PyExc_TypeError,
"%.200s: empty enum \"%.200s\" could not have any values assigned",
error_prefix, RNA_property_identifier(prop));
ret= -1;
}
else {
ret= 0;
}
}
if(free)
MEM_freeN(item);
return ret;
}
PyObject *pyrna_enum_bitfield_to_py(EnumPropertyItem *items, int value)
{
PyObject *ret= PySet_New(NULL);
const char *identifier[RNA_ENUM_BITFLAG_SIZE + 1];
if(RNA_enum_bitflag_identifiers(items, value, identifier)) {
PyObject *item;
int index;
for(index=0; identifier[index]; index++) {
item= PyUnicode_FromString(identifier[index]);
PySet_Add(ret, item);
Py_DECREF(item);
}
}
return ret;
}
static PyObject *pyrna_enum_to_py(PointerRNA *ptr, PropertyRNA *prop, int val)
{
PyObject *item, *ret= NULL;
if(RNA_property_flag(prop) & PROP_ENUM_FLAG) {
const char *identifier[RNA_ENUM_BITFLAG_SIZE + 1];
ret= PySet_New(NULL);
if (RNA_property_enum_bitflag_identifiers(BPy_GetContext(), ptr, prop, val, identifier)) {
int index;
for(index=0; identifier[index]; index++) {
item= PyUnicode_FromString(identifier[index]);
PySet_Add(ret, item);
Py_DECREF(item);
}
}
}
else {
const char *identifier;
if (RNA_property_enum_identifier(BPy_GetContext(), ptr, prop, val, &identifier)) {
ret= PyUnicode_FromString(identifier);
}
else {
EnumPropertyItem *enum_item;
int free= FALSE;
/* don't throw error here, can't trust blender 100% to give the
* right values, python code should not generate error for that */
RNA_property_enum_items(BPy_GetContext(), ptr, prop, &enum_item, NULL, &free);
if(enum_item && enum_item->identifier) {
ret= PyUnicode_FromString(enum_item->identifier);
}
else {
const char *ptr_name= RNA_struct_name_get_alloc(ptr, NULL, FALSE);
/* prefer not fail silently incase of api errors, maybe disable it later */
printf("RNA Warning: Current value \"%d\" matches no enum in '%s', '%s', '%s'\n", val, RNA_struct_identifier(ptr->type), ptr_name, RNA_property_identifier(prop));
#if 0 // gives python decoding errors while generating docs :(
char error_str[256];
snprintf(error_str, sizeof(error_str), "RNA Warning: Current value \"%d\" matches no enum in '%s', '%s', '%s'", val, RNA_struct_identifier(ptr->type), ptr_name, RNA_property_identifier(prop));
PyErr_Warn(PyExc_RuntimeWarning, error_str);
#endif
if(ptr_name)
MEM_freeN((void *)ptr_name);
ret= PyUnicode_FromString("");
}
if(free)
MEM_freeN(enum_item);
/*
PyErr_Format(PyExc_AttributeError,
"RNA Error: Current value \"%d\" matches no enum", val);
ret= NULL;
*/
}
}
return ret;
}
PyObject *pyrna_prop_to_py(PointerRNA *ptr, PropertyRNA *prop)
{
PyObject *ret;
int type= RNA_property_type(prop);
if (RNA_property_array_check(ptr, prop)) {
return pyrna_py_from_array(ptr, prop);
}
/* see if we can coorce into a python type - PropertyType */
switch (type) {
case PROP_BOOLEAN:
ret= PyBool_FromLong(RNA_property_boolean_get(ptr, prop));
break;
case PROP_INT:
ret= PyLong_FromSsize_t((Py_ssize_t)RNA_property_int_get(ptr, prop));
break;
case PROP_FLOAT:
ret= PyFloat_FromDouble(RNA_property_float_get(ptr, prop));
break;
case PROP_STRING:
{
int subtype= RNA_property_subtype(prop);
const char *buf;
buf= RNA_property_string_get_alloc(ptr, prop, NULL, -1);
#ifdef USE_STRING_COERCE
/* only file paths get special treatment, they may contain non utf-8 chars */
if(ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
ret= PyC_UnicodeFromByte(buf);
}
else {
ret= PyUnicode_FromString(buf);
}
#else // USE_STRING_COERCE
ret= PyUnicode_FromString(buf);
#endif // USE_STRING_COERCE
MEM_freeN((void *)buf);
break;
}
case PROP_ENUM:
{
ret= pyrna_enum_to_py(ptr, prop, RNA_property_enum_get(ptr, prop));
break;
}
case PROP_POINTER:
{
PointerRNA newptr;
newptr= RNA_property_pointer_get(ptr, prop);
if (newptr.data) {
ret= pyrna_struct_CreatePyObject(&newptr);
}
else {
ret= Py_None;
Py_INCREF(ret);
}
break;
}
case PROP_COLLECTION:
ret= pyrna_prop_CreatePyObject(ptr, prop);
break;
default:
PyErr_Format(PyExc_TypeError,
"bpy_struct internal error: unknown type '%d' (pyrna_prop_to_py)", type);
ret= NULL;
break;
}
return ret;
}
/* This function is used by operators and converting dicts into collections.
* Its takes keyword args and fills them with property values */
int pyrna_pydict_to_props(PointerRNA *ptr, PyObject *kw, int all_args, const char *error_prefix)
{
int error_val= 0;
int totkw;
const char *arg_name= NULL;
PyObject *item;
totkw= kw ? PyDict_Size(kw):0;
RNA_STRUCT_BEGIN(ptr, prop) {
arg_name= RNA_property_identifier(prop);
if (strcmp(arg_name, "rna_type")==0) continue;
if (kw==NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s: no keywords, expected \"%.200s\"",
error_prefix, arg_name ? arg_name : "<UNKNOWN>");
error_val= -1;
break;
}
item= PyDict_GetItemString(kw, arg_name); /* wont set an error */
if (item == NULL) {
if(all_args) {
PyErr_Format(PyExc_TypeError,
"%.200s: keyword \"%.200s\" missing",
error_prefix, arg_name ? arg_name : "<UNKNOWN>");
error_val= -1; /* pyrna_py_to_prop sets the error */
break;
}
}
else {
if (pyrna_py_to_prop(ptr, prop, NULL, item, error_prefix)) {
error_val= -1;
break;
}
totkw--;
}
}
RNA_STRUCT_END;
if (error_val==0 && totkw > 0) { /* some keywords were given that were not used :/ */
PyObject *key, *value;
Py_ssize_t pos= 0;
while (PyDict_Next(kw, &pos, &key, &value)) {
arg_name= _PyUnicode_AsString(key);
if (RNA_struct_find_property(ptr, arg_name) == NULL) break;
arg_name= NULL;
}
PyErr_Format(PyExc_TypeError,
"%.200s: keyword \"%.200s\" unrecognized",
error_prefix, arg_name ? arg_name : "<UNKNOWN>");
error_val= -1;
}
return error_val;
}
static PyObject *pyrna_func_to_py(PointerRNA *ptr, FunctionRNA *func)
{
BPy_FunctionRNA* pyfunc= (BPy_FunctionRNA *) PyObject_NEW(BPy_FunctionRNA, &pyrna_func_Type);
pyfunc->ptr= *ptr;
pyfunc->func= func;
return (PyObject *)pyfunc;
}
static int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, void *data, PyObject *value, const char *error_prefix)
{
/* XXX hard limits should be checked here */
int type= RNA_property_type(prop);
if (RNA_property_array_check(ptr, prop)) {
/* done getting the length */
if(pyrna_py_to_array(ptr, prop, data, value, error_prefix) == -1) {
return -1;
}
}
else {
/* Normal Property (not an array) */
/* see if we can coorce into a python type - PropertyType */
switch (type) {
case PROP_BOOLEAN:
{
int param;
/* prefer not to have an exception here
* however so many poll functions return None or a valid Object.
* its a hassle to convert these into a bool before returning, */
if(RNA_property_flag(prop) & PROP_OUTPUT)
param= PyObject_IsTrue(value);
else
param= PyLong_AsLong(value);
if(param < 0) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected True/False or 0/1, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
return -1;
}
else {
if(data) *((int*)data)= param;
else RNA_property_boolean_set(ptr, prop, param);
}
break;
}
case PROP_INT:
{
int overflow;
long param= PyLong_AsLongAndOverflow(value, &overflow);
if(overflow || (param > INT_MAX) || (param < INT_MIN)) {
PyErr_Format(PyExc_ValueError,
"%.200s %.200s.%.200s value not in 'int' range "
"(" STRINGIFY(INT_MIN) ", " STRINGIFY(INT_MAX) ")",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
return -1;
}
else if (param==-1 && PyErr_Occurred()) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected an int type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
return -1;
}
else {
int param_i= (int)param;
RNA_property_int_clamp(ptr, prop, &param_i);
if(data) *((int*)data)= param_i;
else RNA_property_int_set(ptr, prop, param_i);
}
break;
}
case PROP_FLOAT:
{
float param= PyFloat_AsDouble(value);
if (PyErr_Occurred()) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a float type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
return -1;
}
else {
RNA_property_float_clamp(ptr, prop, (float *)&param);
if(data) *((float*)data)= param;
else RNA_property_float_set(ptr, prop, param);
}
break;
}
case PROP_STRING:
{
const char *param;
#ifdef USE_STRING_COERCE
PyObject *value_coerce= NULL;
int subtype= RNA_property_subtype(prop);
if(ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
/* TODO, get size */
param= PyC_UnicodeAsByte(value, &value_coerce);
}
else {
param= _PyUnicode_AsString(value);
}
#else // USE_STRING_COERCE
param= _PyUnicode_AsString(value);
#endif // USE_STRING_COERCE
if (param==NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a string type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
return -1;
}
else {
if(data) *((char**)data)= (char *)param; /*XXX, this is suspect but needed for function calls, need to see if theres a better way */
else RNA_property_string_set(ptr, prop, param);
}
#ifdef USE_STRING_COERCE
Py_XDECREF(value_coerce);
#endif // USE_STRING_COERCE
break;
}
case PROP_ENUM:
{
int val= 0;
if (PyUnicode_Check(value)) {
if (!pyrna_string_to_enum(value, ptr, prop, &val, error_prefix))
return -1;
}
else if (PyAnySet_Check(value)) {
if(RNA_property_flag(prop) & PROP_ENUM_FLAG) {
/* set of enum items, concatenate all values with OR */
if(pyrna_prop_to_enum_bitfield(ptr, prop, value, &val, error_prefix) < 0)
return -1;
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s, %.200s.%.200s is not a bitflag enum type",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
return -1;
}
}
else {
const char *enum_str= pyrna_enum_as_string(ptr, prop);
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a string enum or a set of strings in (%.2000s), not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), enum_str,
Py_TYPE(value)->tp_name);
MEM_freeN((void *)enum_str);
return -1;
}
if(data) *((int*)data)= val;
else RNA_property_enum_set(ptr, prop, val);
break;
}
case PROP_POINTER:
{
PyObject *value_new= NULL;
StructRNA *ptr_type= RNA_property_pointer_type(ptr, prop);
int flag= RNA_property_flag(prop);
/* this is really nasty!, so we can fake the operator having direct properties eg:
* layout.prop(self, "filepath")
* ... which infact should be
* layout.prop(self.properties, "filepath")
*
* we need to do this trick.
* if the prop is not an operator type and the pyobject is an operator, use its properties in place of its self.
*
* this is so bad that its almost a good reason to do away with fake 'self.properties -> self' class mixing
* if this causes problems in the future it should be removed.
*/
if( (ptr_type == &RNA_AnyType) &&
(BPy_StructRNA_Check(value)) &&
(RNA_struct_is_a(((BPy_StructRNA *)value)->ptr.type, &RNA_Operator))
) {
value= PyObject_GetAttrString(value, "properties");
value_new= value;
}
/* if property is an OperatorProperties pointer and value is a map, forward back to pyrna_pydict_to_props */
if (RNA_struct_is_a(ptr_type, &RNA_OperatorProperties) && PyDict_Check(value)) {
PointerRNA opptr= RNA_property_pointer_get(ptr, prop);
return pyrna_pydict_to_props(&opptr, value, 0, error_prefix);
}
/* another exception, allow to pass a collection as an RNA property */
if(Py_TYPE(value)==&pyrna_prop_collection_Type) { /* ok to ignore idprop collections */
PointerRNA c_ptr;
BPy_PropertyRNA *value_prop= (BPy_PropertyRNA *)value;
if(RNA_property_collection_type_get(&value_prop->ptr, value_prop->prop, &c_ptr)) {
value= pyrna_struct_CreatePyObject(&c_ptr);
value_new= value;
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s collection has no type, "
"cant be used as a %.200s type",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), RNA_struct_identifier(ptr_type));
return -1;
}
}
if(!BPy_StructRNA_Check(value) && value != Py_None) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a %.200s type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), RNA_struct_identifier(ptr_type),
Py_TYPE(value)->tp_name);
Py_XDECREF(value_new); return -1;
}
else if((flag & PROP_NEVER_NULL) && value == Py_None) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s does not support a 'None' assignment %.200s type",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), RNA_struct_identifier(ptr_type));
Py_XDECREF(value_new); return -1;
}
else if(value != Py_None && ((flag & PROP_ID_SELF_CHECK) && ptr->id.data == ((BPy_StructRNA*)value)->ptr.id.data)) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s ID type does not support assignment to its self",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
Py_XDECREF(value_new); return -1;
}
else {
BPy_StructRNA *param= (BPy_StructRNA*)value;
int raise_error= FALSE;
if(data) {
if(flag & PROP_RNAPTR) {
if(value == Py_None)
memset(data, 0, sizeof(PointerRNA));
else
*((PointerRNA*)data)= param->ptr;
}
else if(value == Py_None) {
*((void**)data)= NULL;
}
else if(RNA_struct_is_a(param->ptr.type, ptr_type)) {
*((void**)data)= param->ptr.data;
}
else {
raise_error= TRUE;
}
}
else {
/* data==NULL, assign to RNA */
if(value == Py_None) {
PointerRNA valueptr= {{NULL}};
RNA_property_pointer_set(ptr, prop, valueptr);
}
else if(RNA_struct_is_a(param->ptr.type, ptr_type)) {
RNA_property_pointer_set(ptr, prop, param->ptr);
}
else {
PointerRNA tmp;
RNA_pointer_create(NULL, ptr_type, NULL, &tmp);
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a %.200s type. not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), RNA_struct_identifier(tmp.type),
RNA_struct_identifier(param->ptr.type));
Py_XDECREF(value_new); return -1;
}
}
if(raise_error) {
PointerRNA tmp;
RNA_pointer_create(NULL, ptr_type, NULL, &tmp);
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a %.200s type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), RNA_struct_identifier(tmp.type),
RNA_struct_identifier(param->ptr.type));
Py_XDECREF(value_new); return -1;
}
}
Py_XDECREF(value_new);
break;
}
case PROP_COLLECTION:
{
int seq_len, i;
PyObject *item;
PointerRNA itemptr;
ListBase *lb;
CollectionPointerLink *link;
lb= (data)? (ListBase*)data: NULL;
/* convert a sequence of dict's into a collection */
if(!PySequence_Check(value)) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a sequence for an RNA collection, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
return -1;
}
seq_len= PySequence_Size(value);
for(i=0; i<seq_len; i++) {
item= PySequence_GetItem(value, i);
if(item==NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s failed to get sequence index '%d' for an RNA collection",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), i);
Py_XDECREF(item);
return -1;
}
if(PyDict_Check(item)==0) {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a each sequence "
"member to be a dict for an RNA collection, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(item)->tp_name);
Py_XDECREF(item);
return -1;
}
if(lb) {
link= MEM_callocN(sizeof(CollectionPointerLink), "PyCollectionPointerLink");
link->ptr= itemptr;
BLI_addtail(lb, link);
}
else
RNA_property_collection_add(ptr, prop, &itemptr);
if(pyrna_pydict_to_props(&itemptr, item, 1, "Converting a python list to an RNA collection")==-1) {
PyObject *msg= PyC_ExceptionBuffer();
const char *msg_char= _PyUnicode_AsString(msg);
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s error converting a member of a collection "
"from a dicts into an RNA collection, failed with: %s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), msg_char);
Py_DECREF(item);
Py_DECREF(msg);
return -1;
}
Py_DECREF(item);
}
break;
}
default:
PyErr_Format(PyExc_AttributeError,
"%.200s %.200s.%.200s unknown property type (pyrna_py_to_prop)",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
return -1;
break;
}
}
/* Run rna property functions */
if(RNA_property_update_check(prop)) {
RNA_property_update(BPy_GetContext(), ptr, prop);
}
return 0;
}
static PyObject *pyrna_prop_array_to_py_index(BPy_PropertyArrayRNA *self, int index)
{
PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self)
return pyrna_py_from_array_index(self, &self->ptr, self->prop, index);
}
static int pyrna_py_to_prop_array_index(BPy_PropertyArrayRNA *self, int index, PyObject *value)
{
int ret= 0;
PointerRNA *ptr= &self->ptr;
PropertyRNA *prop= self->prop;
const int totdim= RNA_property_array_dimension(ptr, prop, NULL);
if (totdim > 1) {
/* char error_str[512]; */
if (pyrna_py_to_array_index(&self->ptr, self->prop, self->arraydim, self->arrayoffset, index, value, "") == -1) {
/* error is set */
ret= -1;
}
}
else {
/* see if we can coerce into a python type - PropertyType */
switch (RNA_property_type(prop)) {
case PROP_BOOLEAN:
{
int param= PyLong_AsLong(value);
if(param < 0 || param > 1) {
PyErr_SetString(PyExc_TypeError, "expected True/False or 0/1");
ret= -1;
}
else {
RNA_property_boolean_set_index(ptr, prop, index, param);
}
break;
}
case PROP_INT:
{
int param= PyLong_AsLong(value);
if (param==-1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected an int type");
ret= -1;
}
else {
RNA_property_int_clamp(ptr, prop, &param);
RNA_property_int_set_index(ptr, prop, index, param);
}
break;
}
case PROP_FLOAT:
{
float param= PyFloat_AsDouble(value);
if (PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float type");
ret= -1;
}
else {
RNA_property_float_clamp(ptr, prop, &param);
RNA_property_float_set_index(ptr, prop, index, param);
}
break;
}
default:
PyErr_SetString(PyExc_AttributeError, "not an array type");
ret= -1;
break;
}
}
/* Run rna property functions */
if(RNA_property_update_check(prop)) {
RNA_property_update(BPy_GetContext(), ptr, prop);
}
return ret;
}
//---------------sequence-------------------------------------------
static Py_ssize_t pyrna_prop_array_length(BPy_PropertyArrayRNA *self)
{
PYRNA_PROP_CHECK_INT((BPy_PropertyRNA *)self)
if (RNA_property_array_dimension(&self->ptr, self->prop, NULL) > 1)
return RNA_property_multi_array_length(&self->ptr, self->prop, self->arraydim);
else
return RNA_property_array_length(&self->ptr, self->prop);
}
static Py_ssize_t pyrna_prop_collection_length(BPy_PropertyRNA *self)
{
PYRNA_PROP_CHECK_INT(self)
return RNA_property_collection_length(&self->ptr, self->prop);
}
/* bool functions are for speed, so we can avoid getting the length
* of 1000's of items in a linked list for eg. */
static int pyrna_prop_array_bool(BPy_PropertyRNA *self)
{
PYRNA_PROP_CHECK_INT(self)
return RNA_property_array_length(&self->ptr, self->prop) ? 1 : 0;
}
static int pyrna_prop_collection_bool(BPy_PropertyRNA *self)
{
/* no callback defined, just iterate and find the nth item */
CollectionPropertyIterator iter;
int test;
PYRNA_PROP_CHECK_INT(self)
RNA_property_collection_begin(&self->ptr, self->prop, &iter);
test= iter.valid;
RNA_property_collection_end(&iter);
return test;
}
/* internal use only */
static PyObject *pyrna_prop_collection_subscript_int(BPy_PropertyRNA *self, Py_ssize_t keynum)
{
PointerRNA newptr;
Py_ssize_t keynum_abs= keynum;
PYRNA_PROP_CHECK_OBJ(self)
/* notice getting the length of the collection is avoided unless negative index is used
* or to detect internal error with a valid index.
* This is done for faster lookups. */
if(keynum < 0) {
keynum_abs += RNA_property_collection_length(&self->ptr, self->prop);
if(keynum_abs < 0) {
PyErr_Format(PyExc_IndexError, "bpy_prop_collection[%d]: out of range.", keynum);
return NULL;
}
}
if(RNA_property_collection_lookup_int(&self->ptr, self->prop, keynum_abs, &newptr)) {
return pyrna_struct_CreatePyObject(&newptr);
}
else {
const int len= RNA_property_collection_length(&self->ptr, self->prop);
if(keynum_abs >= len) {
PyErr_Format(PyExc_IndexError,
"bpy_prop_collection[index]: "
"index %d out of range, size %d", keynum, len);
}
else {
PyErr_Format(PyExc_RuntimeError,
"bpy_prop_collection[index]: internal error, "
"valid index %d given in %d sized collection but value not found",
keynum_abs, len);
}
return NULL;
}
}
static PyObject *pyrna_prop_array_subscript_int(BPy_PropertyArrayRNA *self, int keynum)
{
int len;
PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self)
len= pyrna_prop_array_length(self);
if(keynum < 0) keynum += len;
if(keynum >= 0 && keynum < len)
return pyrna_prop_array_to_py_index(self, keynum);
PyErr_Format(PyExc_IndexError, "bpy_prop_array[index]: index %d out of range", keynum);
return NULL;
}
static PyObject *pyrna_prop_collection_subscript_str(BPy_PropertyRNA *self, const char *keyname)
{
PointerRNA newptr;
PYRNA_PROP_CHECK_OBJ(self)
if(RNA_property_collection_lookup_string(&self->ptr, self->prop, keyname, &newptr))
return pyrna_struct_CreatePyObject(&newptr);
PyErr_Format(PyExc_KeyError, "bpy_prop_collection[key]: key \"%.200s\" not found", keyname);
return NULL;
}
/* static PyObject *pyrna_prop_array_subscript_str(BPy_PropertyRNA *self, char *keyname) */
static PyObject *pyrna_prop_collection_subscript_slice(BPy_PropertyRNA *self, Py_ssize_t start, Py_ssize_t stop)
{
CollectionPropertyIterator rna_macro_iter;
int count= 0;
PyObject *list;
PyObject *item;
PYRNA_PROP_CHECK_OBJ(self)
list= PyList_New(0);
/* first loop up-until the start */
for(RNA_property_collection_begin(&self->ptr, self->prop, &rna_macro_iter); rna_macro_iter.valid; RNA_property_collection_next(&rna_macro_iter)) {
/* PointerRNA itemptr= rna_macro_iter.ptr; */
if(count == start) {
break;
}
count++;
}
/* add items until stop */
for(; rna_macro_iter.valid; RNA_property_collection_next(&rna_macro_iter)) {
item= pyrna_struct_CreatePyObject(&rna_macro_iter.ptr);
PyList_Append(list, item);
Py_DECREF(item);
count++;
if(count == stop) {
break;
}
}
RNA_property_collection_end(&rna_macro_iter);
return list;
}
/* TODO - dimensions
* note: could also use pyrna_prop_array_to_py_index(self, count) in a loop but its a lot slower
* since at the moment it reads (and even allocates) the entire array for each index.
*/
static PyObject *pyrna_prop_array_subscript_slice(BPy_PropertyArrayRNA *self, PointerRNA *ptr, PropertyRNA *prop, Py_ssize_t start, Py_ssize_t stop, Py_ssize_t length)
{
int count, totdim;
PyObject *tuple;
PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self)
tuple= PyTuple_New(stop - start);
/* PYRNA_PROP_CHECK_OBJ(self) isn't needed, internal use only */
totdim= RNA_property_array_dimension(ptr, prop, NULL);
if (totdim > 1) {
for (count= start; count < stop; count++)
PyTuple_SET_ITEM(tuple, count - start, pyrna_prop_array_to_py_index(self, count));
}
else {
switch (RNA_property_type(prop)) {
case PROP_FLOAT:
{
float values_stack[PYRNA_STACK_ARRAY];
float *values;
if(length > PYRNA_STACK_ARRAY) { values= PyMem_MALLOC(sizeof(float) * length); }
else { values= values_stack; }
RNA_property_float_get_array(ptr, prop, values);
for(count=start; count<stop; count++)
PyTuple_SET_ITEM(tuple, count-start, PyFloat_FromDouble(values[count]));
if(values != values_stack) {
PyMem_FREE(values);
}
break;
}
case PROP_BOOLEAN:
{
int values_stack[PYRNA_STACK_ARRAY];
int *values;
if(length > PYRNA_STACK_ARRAY) { values= PyMem_MALLOC(sizeof(int) * length); }
else { values= values_stack; }
RNA_property_boolean_get_array(ptr, prop, values);
for(count=start; count<stop; count++)
PyTuple_SET_ITEM(tuple, count-start, PyBool_FromLong(values[count]));
if(values != values_stack) {
PyMem_FREE(values);
}
break;
}
case PROP_INT:
{
int values_stack[PYRNA_STACK_ARRAY];
int *values;
if(length > PYRNA_STACK_ARRAY) { values= PyMem_MALLOC(sizeof(int) * length); }
else { values= values_stack; }
RNA_property_int_get_array(ptr, prop, values);
for(count=start; count<stop; count++)
PyTuple_SET_ITEM(tuple, count-start, PyLong_FromSsize_t(values[count]));
if(values != values_stack) {
PyMem_FREE(values);
}
break;
}
default:
BLI_assert(!"Invalid array type");
PyErr_SetString(PyExc_TypeError, "not an array type");
Py_DECREF(tuple);
tuple= NULL;
}
}
return tuple;
}
static PyObject *pyrna_prop_collection_subscript(BPy_PropertyRNA *self, PyObject *key)
{
PYRNA_PROP_CHECK_OBJ(self)
if (PyUnicode_Check(key)) {
return pyrna_prop_collection_subscript_str(self, _PyUnicode_AsString(key));
}
else if (PyIndex_Check(key)) {
Py_ssize_t i= PyNumber_AsSsize_t(key, PyExc_IndexError);
if (i == -1 && PyErr_Occurred())
return NULL;
return pyrna_prop_collection_subscript_int(self, i);
}
else if (PySlice_Check(key)) {
PySliceObject *key_slice= (PySliceObject *)key;
Py_ssize_t step= 1;
if(key_slice->step != Py_None && !_PyEval_SliceIndex(key, &step)) {
return NULL;
}
else if (step != 1) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection[slice]: slice steps not supported");
return NULL;
}
else if(key_slice->start == Py_None && key_slice->stop == Py_None) {
return pyrna_prop_collection_subscript_slice(self, 0, PY_SSIZE_T_MAX);
}
else {
Py_ssize_t start= 0, stop= PY_SSIZE_T_MAX;
/* avoid PySlice_GetIndicesEx because it needs to know the length ahead of time. */
if(key_slice->start != Py_None && !_PyEval_SliceIndex(key_slice->start, &start)) return NULL;
if(key_slice->stop != Py_None && !_PyEval_SliceIndex(key_slice->stop, &stop)) return NULL;
if(start < 0 || stop < 0) {
/* only get the length for negative values */
Py_ssize_t len= (Py_ssize_t)RNA_property_collection_length(&self->ptr, self->prop);
if(start < 0) start += len;
if(stop < 0) start += len;
}
if (stop - start <= 0) {
return PyList_New(0);
}
else {
return pyrna_prop_collection_subscript_slice(self, start, stop);
}
}
}
else {
PyErr_Format(PyExc_TypeError,
"bpy_prop_collection[key]: invalid key, "
"must be a string or an int, not %.200s",
Py_TYPE(key)->tp_name);
return NULL;
}
}
static PyObject *pyrna_prop_array_subscript(BPy_PropertyArrayRNA *self, PyObject *key)
{
PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self)
/*if (PyUnicode_Check(key)) {
return pyrna_prop_array_subscript_str(self, _PyUnicode_AsString(key));
}
else */
if (PyIndex_Check(key)) {
Py_ssize_t i= PyNumber_AsSsize_t(key, PyExc_IndexError);
if (i == -1 && PyErr_Occurred())
return NULL;
return pyrna_prop_array_subscript_int(self, PyLong_AsLong(key));
}
else if (PySlice_Check(key)) {
Py_ssize_t step= 1;
PySliceObject *key_slice= (PySliceObject *)key;
if(key_slice->step != Py_None && !_PyEval_SliceIndex(key, &step)) {
return NULL;
}
else if (step != 1) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_array[slice]: slice steps not supported");
return NULL;
}
else if(key_slice->start == Py_None && key_slice->stop == Py_None) {
/* note, no significant advantage with optimizing [:] slice as with collections but include here for consistency with collection slice func */
Py_ssize_t len= (Py_ssize_t)pyrna_prop_array_length(self);
return pyrna_prop_array_subscript_slice(self, &self->ptr, self->prop, 0, len, len);
}
else {
int len= pyrna_prop_array_length(self);
Py_ssize_t start, stop, slicelength;
if (PySlice_GetIndicesEx((void *)key, len, &start, &stop, &step, &slicelength) < 0)
return NULL;
if (slicelength <= 0) {
return PyTuple_New(0);
}
else {
return pyrna_prop_array_subscript_slice(self, &self->ptr, self->prop, start, stop, len);
}
}
}
else {
PyErr_SetString(PyExc_AttributeError, "bpy_prop_array[key]: invalid key, key must be an int");
return NULL;
}
}
/* could call (pyrna_py_to_prop_array_index(self, i, value) in a loop but it is slow */
static int prop_subscript_ass_array_slice(PointerRNA *ptr, PropertyRNA *prop, int start, int stop, int length, PyObject *value_orig)
{
PyObject *value;
int count;
void *values_alloc= NULL;
int ret= 0;
if(value_orig == NULL) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_array[slice]= value: deleting with list types is not supported by bpy_struct");
return -1;
}
if(!(value=PySequence_Fast(value_orig, "bpy_prop_array[slice]= value: assignment is not a sequence type"))) {
return -1;
}
if(PySequence_Fast_GET_SIZE(value) != stop-start) {
Py_DECREF(value);
PyErr_SetString(PyExc_TypeError, "bpy_prop_array[slice]= value: resizing bpy_struct arrays isn't supported");
return -1;
}
switch (RNA_property_type(prop)) {
case PROP_FLOAT:
{
float values_stack[PYRNA_STACK_ARRAY];
float *values, fval;
float min, max;
RNA_property_float_range(ptr, prop, &min, &max);
if(length > PYRNA_STACK_ARRAY) { values= values_alloc= PyMem_MALLOC(sizeof(float) * length); }
else { values= values_stack; }
if(start != 0 || stop != length) /* partial assignment? - need to get the array */
RNA_property_float_get_array(ptr, prop, values);
for(count=start; count<stop; count++) {
fval= PyFloat_AsDouble(PySequence_Fast_GET_ITEM(value, count-start));
CLAMP(fval, min, max);
values[count]= fval;
}
if(PyErr_Occurred()) ret= -1;
else RNA_property_float_set_array(ptr, prop, values);
break;
}
case PROP_BOOLEAN:
{
int values_stack[PYRNA_STACK_ARRAY];
int *values;
if(length > PYRNA_STACK_ARRAY) { values= values_alloc= PyMem_MALLOC(sizeof(int) * length); }
else { values= values_stack; }
if(start != 0 || stop != length) /* partial assignment? - need to get the array */
RNA_property_boolean_get_array(ptr, prop, values);
for(count=start; count<stop; count++)
values[count]= PyLong_AsLong(PySequence_Fast_GET_ITEM(value, count-start));
if(PyErr_Occurred()) ret= -1;
else RNA_property_boolean_set_array(ptr, prop, values);
break;
}
case PROP_INT:
{
int values_stack[PYRNA_STACK_ARRAY];
int *values, ival;
int min, max;
RNA_property_int_range(ptr, prop, &min, &max);
if(length > PYRNA_STACK_ARRAY) { values= values_alloc= PyMem_MALLOC(sizeof(int) * length); }
else { values= values_stack; }
if(start != 0 || stop != length) /* partial assignment? - need to get the array */
RNA_property_int_get_array(ptr, prop, values);
for(count=start; count<stop; count++) {
ival= PyLong_AsLong(PySequence_Fast_GET_ITEM(value, count-start));
CLAMP(ival, min, max);
values[count]= ival;
}
if(PyErr_Occurred()) ret= -1;
else RNA_property_int_set_array(ptr, prop, values);
break;
}
default:
PyErr_SetString(PyExc_TypeError, "not an array type");
ret= -1;
}
Py_DECREF(value);
if(values_alloc) {
PyMem_FREE(values_alloc);
}
return ret;
}
static int prop_subscript_ass_array_int(BPy_PropertyArrayRNA *self, Py_ssize_t keynum, PyObject *value)
{
int len;
PYRNA_PROP_CHECK_INT((BPy_PropertyRNA *)self)
len= pyrna_prop_array_length(self);
if(keynum < 0) keynum += len;
if(keynum >= 0 && keynum < len)
return pyrna_py_to_prop_array_index(self, keynum, value);
PyErr_SetString(PyExc_IndexError, "bpy_prop_array[index] = value: index out of range");
return -1;
}
static int pyrna_prop_array_ass_subscript(BPy_PropertyArrayRNA *self, PyObject *key, PyObject *value)
{
/* char *keyname= NULL; */ /* not supported yet */
int ret= -1;
PYRNA_PROP_CHECK_INT((BPy_PropertyRNA *)self);
if (!RNA_property_editable_flag(&self->ptr, self->prop)) {
PyErr_Format(PyExc_AttributeError,
"bpy_prop_collection: attribute \"%.200s\" from \"%.200s\" is read-only",
RNA_property_identifier(self->prop), RNA_struct_identifier(self->ptr.type));
ret= -1;
}
else if (PyIndex_Check(key)) {
Py_ssize_t i= PyNumber_AsSsize_t(key, PyExc_IndexError);
if (i == -1 && PyErr_Occurred()) {
ret= -1;
}
else {
ret= prop_subscript_ass_array_int(self, i, value);
}
}
else if (PySlice_Check(key)) {
int len= RNA_property_array_length(&self->ptr, self->prop);
Py_ssize_t start, stop, step, slicelength;
if (PySlice_GetIndicesEx((void *)key, len, &start, &stop, &step, &slicelength) < 0) {
ret= -1;
}
else if (slicelength <= 0) {
ret= 0; /* do nothing */
}
else if (step == 1) {
ret= prop_subscript_ass_array_slice(&self->ptr, self->prop, start, stop, len, value);
}
else {
PyErr_SetString(PyExc_TypeError, "slice steps not supported with rna");
ret= -1;
}
}
else {
PyErr_SetString(PyExc_AttributeError, "invalid key, key must be an int");
ret= -1;
}
if(ret != -1) {
if(RNA_property_update_check(self->prop)) {
RNA_property_update(BPy_GetContext(), &self->ptr, self->prop);
}
}
return ret;
}
/* for slice only */
static PyMappingMethods pyrna_prop_array_as_mapping= {
(lenfunc) pyrna_prop_array_length, /* mp_length */
(binaryfunc) pyrna_prop_array_subscript, /* mp_subscript */
(objobjargproc) pyrna_prop_array_ass_subscript, /* mp_ass_subscript */
};
static PyMappingMethods pyrna_prop_collection_as_mapping= {
(lenfunc) pyrna_prop_collection_length, /* mp_length */
(binaryfunc) pyrna_prop_collection_subscript, /* mp_subscript */
(objobjargproc) NULL, /* mp_ass_subscript */
};
/* only for fast bool's, large structs, assign nb_bool on init */
static PyNumberMethods pyrna_prop_array_as_number= {
NULL, /* nb_add */
NULL, /* nb_subtract */
NULL, /* nb_multiply */
NULL, /* nb_remainder */
NULL, /* nb_divmod */
NULL, /* nb_power */
NULL, /* nb_negative */
NULL, /* nb_positive */
NULL, /* nb_absolute */
(inquiry) pyrna_prop_array_bool, /* nb_bool */
};
static PyNumberMethods pyrna_prop_collection_as_number= {
NULL, /* nb_add */
NULL, /* nb_subtract */
NULL, /* nb_multiply */
NULL, /* nb_remainder */
NULL, /* nb_divmod */
NULL, /* nb_power */
NULL, /* nb_negative */
NULL, /* nb_positive */
NULL, /* nb_absolute */
(inquiry) pyrna_prop_collection_bool, /* nb_bool */
};
static int pyrna_prop_array_contains(BPy_PropertyRNA *self, PyObject *value)
{
return pyrna_array_contains_py(&self->ptr, self->prop, value);
}
static int pyrna_prop_collection_contains(BPy_PropertyRNA *self, PyObject *value)
{
PointerRNA newptr; /* not used, just so RNA_property_collection_lookup_string runs */
/* key in dict style check */
const char *keyname= _PyUnicode_AsString(value);
if(keyname==NULL) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection.__contains__: expected a string");
return -1;
}
if (RNA_property_collection_lookup_string(&self->ptr, self->prop, keyname, &newptr))
return 1;
return 0;
}
static int pyrna_struct_contains(BPy_StructRNA *self, PyObject *value)
{
IDProperty *group;
const char *name= _PyUnicode_AsString(value);
PYRNA_STRUCT_CHECK_INT(self)
if (!name) {
PyErr_SetString(PyExc_TypeError, "bpy_struct.__contains__: expected a string");
return -1;
}
if(RNA_struct_idprops_check(self->ptr.type)==0) {
PyErr_SetString(PyExc_TypeError, "bpy_struct: this type doesn't support IDProperties");
return -1;
}
group= RNA_struct_idprops(&self->ptr, 0);
if(!group)
return 0;
return IDP_GetPropertyFromGroup(group, name) ? 1:0;
}
static PySequenceMethods pyrna_prop_array_as_sequence= {
(lenfunc)pyrna_prop_array_length, /* Cant set the len otherwise it can evaluate as false */
NULL, /* sq_concat */
NULL, /* sq_repeat */
(ssizeargfunc)pyrna_prop_array_subscript_int, /* sq_item */ /* Only set this so PySequence_Check() returns True */
NULL, /* sq_slice */
(ssizeobjargproc)prop_subscript_ass_array_int, /* sq_ass_item */
NULL, /* *was* sq_ass_slice */
(objobjproc)pyrna_prop_array_contains, /* sq_contains */
(binaryfunc) NULL, /* sq_inplace_concat */
(ssizeargfunc) NULL, /* sq_inplace_repeat */
};
static PySequenceMethods pyrna_prop_collection_as_sequence= {
(lenfunc)pyrna_prop_collection_length, /* Cant set the len otherwise it can evaluate as false */
NULL, /* sq_concat */
NULL, /* sq_repeat */
(ssizeargfunc)pyrna_prop_collection_subscript_int, /* sq_item */ /* Only set this so PySequence_Check() returns True */
NULL, /* *was* sq_slice */
NULL, /* sq_ass_item */
NULL, /* *was* sq_ass_slice */
(objobjproc)pyrna_prop_collection_contains, /* sq_contains */
(binaryfunc) NULL, /* sq_inplace_concat */
(ssizeargfunc) NULL, /* sq_inplace_repeat */
};
static PySequenceMethods pyrna_struct_as_sequence= {
NULL, /* Cant set the len otherwise it can evaluate as false */
NULL, /* sq_concat */
NULL, /* sq_repeat */
NULL, /* sq_item */ /* Only set this so PySequence_Check() returns True */
NULL, /* *was* sq_slice */
NULL, /* sq_ass_item */
NULL, /* *was* sq_ass_slice */
(objobjproc)pyrna_struct_contains, /* sq_contains */
(binaryfunc) NULL, /* sq_inplace_concat */
(ssizeargfunc) NULL, /* sq_inplace_repeat */
};
static PyObject *pyrna_struct_subscript(BPy_StructRNA *self, PyObject *key)
{
/* mostly copied from BPy_IDGroup_Map_GetItem */
IDProperty *group, *idprop;
const char *name= _PyUnicode_AsString(key);
PYRNA_STRUCT_CHECK_OBJ(self)
if(RNA_struct_idprops_check(self->ptr.type)==0) {
PyErr_SetString(PyExc_TypeError, "this type doesn't support IDProperties");
return NULL;
}
if(name==NULL) {
PyErr_SetString(PyExc_TypeError, "bpy_struct[key]: only strings are allowed as keys of ID properties");
return NULL;
}
group= RNA_struct_idprops(&self->ptr, 0);
if(group==NULL) {
PyErr_Format(PyExc_KeyError, "bpy_struct[key]: key \"%s\" not found", name);
return NULL;
}
idprop= IDP_GetPropertyFromGroup(group, name);
if(idprop==NULL) {
PyErr_Format(PyExc_KeyError, "bpy_struct[key]: key \"%s\" not found", name);
return NULL;
}
return BPy_IDGroup_WrapData(self->ptr.id.data, idprop);
}
static int pyrna_struct_ass_subscript(BPy_StructRNA *self, PyObject *key, PyObject *value)
{
IDProperty *group;
PYRNA_STRUCT_CHECK_INT(self)
group= RNA_struct_idprops(&self->ptr, 1);
#ifdef USE_PEDANTIC_WRITE
if(rna_disallow_writes && rna_id_write_error(&self->ptr, key)) {
return -1;
}
#endif // USE_STRING_COERCE
if(group==NULL) {
PyErr_SetString(PyExc_TypeError, "bpy_struct[key]= val: id properties not supported for this type");
return -1;
}
return BPy_Wrap_SetMapItem(group, key, value);
}
static PyMappingMethods pyrna_struct_as_mapping= {
(lenfunc) NULL, /* mp_length */
(binaryfunc) pyrna_struct_subscript, /* mp_subscript */
(objobjargproc) pyrna_struct_ass_subscript, /* mp_ass_subscript */
};
PyDoc_STRVAR(pyrna_struct_keys_doc,
".. method:: keys()\n"
"\n"
" Returns the keys of this objects custom properties (matches pythons\n"
" dictionary function of the same name).\n"
"\n"
" :return: custom property keys.\n"
" :rtype: list of strings\n"
"\n"
" .. note:: Only :class:`ID`, :class:`Bone` and :class:`PoseBone` classes\n"
" support custom properties.\n"
);
static PyObject *pyrna_struct_keys(BPy_PropertyRNA *self)
{
IDProperty *group;
if(RNA_struct_idprops_check(self->ptr.type)==0) {
PyErr_SetString(PyExc_TypeError, "bpy_struct.keys(): this type doesn't support IDProperties");
return NULL;
}
group= RNA_struct_idprops(&self->ptr, 0);
if(group==NULL)
return PyList_New(0);
return BPy_Wrap_GetKeys(group);
}
PyDoc_STRVAR(pyrna_struct_items_doc,
".. method:: items()\n"
"\n"
" Returns the items of this objects custom properties (matches pythons\n"
" dictionary function of the same name).\n"
"\n"
" :return: custom property key, value pairs.\n"
" :rtype: list of key, value tuples\n"
"\n"
" .. note:: Only :class:`ID`, :class:`Bone` and :class:`PoseBone`\n"
" classes support custom properties.\n"
);
static PyObject *pyrna_struct_items(BPy_PropertyRNA *self)
{
IDProperty *group;
if(RNA_struct_idprops_check(self->ptr.type)==0) {
PyErr_SetString(PyExc_TypeError, "bpy_struct.items(): this type doesn't support IDProperties");
return NULL;
}
group= RNA_struct_idprops(&self->ptr, 0);
if(group==NULL)
return PyList_New(0);
return BPy_Wrap_GetItems(self->ptr.id.data, group);
}
PyDoc_STRVAR(pyrna_struct_values_doc,
".. method:: values()\n"
"\n"
" Returns the values of this objects custom properties (matches pythons\n"
" dictionary function of the same name).\n"
"\n"
" :return: custom property values.\n"
" :rtype: list\n"
"\n"
" .. note:: Only :class:`ID`, :class:`Bone` and :class:`PoseBone`\n"
" classes support custom properties.\n"
);
static PyObject *pyrna_struct_values(BPy_PropertyRNA *self)
{
IDProperty *group;
if(RNA_struct_idprops_check(self->ptr.type)==0) {
PyErr_SetString(PyExc_TypeError, "bpy_struct.values(): this type doesn't support IDProperties");
return NULL;
}
group= RNA_struct_idprops(&self->ptr, 0);
if(group==NULL)
return PyList_New(0);
return BPy_Wrap_GetValues(self->ptr.id.data, group);
}
PyDoc_STRVAR(pyrna_struct_is_property_set_doc,
".. method:: is_property_set(property)\n"
"\n"
" Check if a property is set, use for testing operator properties.\n"
"\n"
" :return: True when the property has been set.\n"
" :rtype: boolean\n"
);
static PyObject *pyrna_struct_is_property_set(BPy_StructRNA *self, PyObject *args)
{
PropertyRNA *prop;
const char *name;
int ret;
PYRNA_STRUCT_CHECK_OBJ(self)
if (!PyArg_ParseTuple(args, "s:is_property_set", &name))
return NULL;
if((prop= RNA_struct_find_property(&self->ptr, name)) == NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s.is_property_set(\"%.200s\") not found",
RNA_struct_identifier(self->ptr.type), name);
return NULL;
}
/* double property lookup, could speed up */
/* return PyBool_FromLong(RNA_property_is_set(&self->ptr, name)); */
if(RNA_property_flag(prop) & PROP_IDPROPERTY) {
IDProperty *group= RNA_struct_idprops(&self->ptr, 0);
if(group) {
ret= IDP_GetPropertyFromGroup(group, name) ? 1:0;
}
else {
ret= 0;
}
}
else {
ret= 1;
}
return PyBool_FromLong(ret);
}
PyDoc_STRVAR(pyrna_struct_is_property_hidden_doc,
".. method:: is_property_hidden(property)\n"
"\n"
" Check if a property is hidden.\n"
"\n"
" :return: True when the property is hidden.\n"
" :rtype: boolean\n"
);
static PyObject *pyrna_struct_is_property_hidden(BPy_StructRNA *self, PyObject *args)
{
PropertyRNA *prop;
const char *name;
PYRNA_STRUCT_CHECK_OBJ(self)
if (!PyArg_ParseTuple(args, "s:is_property_hidden", &name))
return NULL;
if((prop= RNA_struct_find_property(&self->ptr, name)) == NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s.is_property_hidden(\"%.200s\") not found",
RNA_struct_identifier(self->ptr.type), name);
return NULL;
}
return PyBool_FromLong(RNA_property_flag(prop) & PROP_HIDDEN);
}
PyDoc_STRVAR(pyrna_struct_path_resolve_doc,
".. method:: path_resolve(path, coerce=True)\n"
"\n"
" Returns the property from the path, raise an exception when not found.\n"
"\n"
" :arg path: path which this property resolves.\n"
" :type path: string\n"
" :arg coerce: optional argument, when True, the property will be converted\n"
" into its python representation.\n"
" :type coerce: boolean\n"
);
static PyObject *pyrna_struct_path_resolve(BPy_StructRNA *self, PyObject *args)
{
const char *path;
PyObject *coerce= Py_True;
PointerRNA r_ptr;
PropertyRNA *r_prop;
int index= -1;
PYRNA_STRUCT_CHECK_OBJ(self)
if (!PyArg_ParseTuple(args, "s|O!:path_resolve", &path, &PyBool_Type, &coerce))
return NULL;
if (RNA_path_resolve_full(&self->ptr, path, &r_ptr, &r_prop, &index)) {
if(r_prop) {
if(index != -1) {
if(index >= RNA_property_array_length(&r_ptr, r_prop) || index < 0) {
PyErr_Format(PyExc_TypeError,
"%.200s.path_resolve(\"%.200s\") index out of range",
RNA_struct_identifier(self->ptr.type), path);
return NULL;
}
else {
return pyrna_array_index(&r_ptr, r_prop, index);
}
}
else {
if(coerce == Py_False) {
return pyrna_prop_CreatePyObject(&r_ptr, r_prop);
}
else {
return pyrna_prop_to_py(&r_ptr, r_prop);
}
}
}
else {
return pyrna_struct_CreatePyObject(&r_ptr);
}
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s.path_resolve(\"%.200s\") could not be resolved",
RNA_struct_identifier(self->ptr.type), path);
return NULL;
}
}
PyDoc_STRVAR(pyrna_struct_path_from_id_doc,
".. method:: path_from_id(property=\"\")\n"
"\n"
" Returns the data path from the ID to this object (string).\n"
"\n"
" :arg property: Optional property name which can be used if the path is\n"
" to a property of this object.\n"
" :type property: string\n"
" :return: The path from :class:`bpy_struct.id_data`\n"
" to this struct and property (when given).\n"
" :rtype: str\n"
);
static PyObject *pyrna_struct_path_from_id(BPy_StructRNA *self, PyObject *args)
{
const char *name= NULL;
const char *path;
PropertyRNA *prop;
PyObject *ret;
PYRNA_STRUCT_CHECK_OBJ(self)
if (!PyArg_ParseTuple(args, "|s:path_from_id", &name))
return NULL;
if(name) {
prop= RNA_struct_find_property(&self->ptr, name);
if(prop==NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s.path_from_id(\"%.200s\") not found",
RNA_struct_identifier(self->ptr.type), name);
return NULL;
}
path= RNA_path_from_ID_to_property(&self->ptr, prop);
}
else {
path= RNA_path_from_ID_to_struct(&self->ptr);
}
if(path==NULL) {
if(name) {
PyErr_Format(PyExc_TypeError,
"%.200s.path_from_id(\"%s\") found but does not support path creation",
RNA_struct_identifier(self->ptr.type), name);
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s.path_from_id() does not support path creation for this type",
RNA_struct_identifier(self->ptr.type));
}
return NULL;
}
ret= PyUnicode_FromString(path);
MEM_freeN((void *)path);
return ret;
}
PyDoc_STRVAR(pyrna_prop_path_from_id_doc,
".. method:: path_from_id()\n"
"\n"
" Returns the data path from the ID to this property (string).\n"
"\n"
" :return: The path from :class:`bpy_struct.id_data` to this property.\n"
" :rtype: str\n"
);
static PyObject *pyrna_prop_path_from_id(BPy_PropertyRNA *self)
{
const char *path;
PropertyRNA *prop= self->prop;
PyObject *ret;
path= RNA_path_from_ID_to_property(&self->ptr, self->prop);
if(path==NULL) {
PyErr_Format(PyExc_TypeError,
"%.200s.%.200s.path_from_id() does not support path creation for this type",
RNA_struct_identifier(self->ptr.type), RNA_property_identifier(prop));
return NULL;
}
ret= PyUnicode_FromString(path);
MEM_freeN((void *)path);
return ret;
}
PyDoc_STRVAR(pyrna_struct_type_recast_doc,
".. method:: type_recast()\n"
"\n"
" Return a new instance, this is needed because types\n"
" such as textures can be changed at runtime.\n"
"\n"
" :return: a new instance of this object with the type initialized again.\n"
" :rtype: subclass of :class:`bpy_struct`\n"
);
static PyObject *pyrna_struct_type_recast(BPy_StructRNA *self)
{
PointerRNA r_ptr;
PYRNA_STRUCT_CHECK_OBJ(self)
RNA_pointer_recast(&self->ptr, &r_ptr);
return pyrna_struct_CreatePyObject(&r_ptr);
}
static void pyrna_dir_members_py(PyObject *list, PyObject *self)
{
PyObject *dict;
PyObject **dict_ptr;
PyObject *list_tmp;
dict_ptr= _PyObject_GetDictPtr((PyObject *)self);
if(dict_ptr && (dict=*dict_ptr)) {
list_tmp= PyDict_Keys(dict);
PyList_SetSlice(list, INT_MAX, INT_MAX, list_tmp);
Py_DECREF(list_tmp);
}
dict= ((PyTypeObject *)Py_TYPE(self))->tp_dict;
if(dict) {
list_tmp= PyDict_Keys(dict);
PyList_SetSlice(list, INT_MAX, INT_MAX, list_tmp);
Py_DECREF(list_tmp);
}
}
static void pyrna_dir_members_rna(PyObject *list, PointerRNA *ptr)
{
PyObject *pystring;
const char *idname;
/* for looping over attrs and funcs */
PointerRNA tptr;
PropertyRNA *iterprop;
{
RNA_pointer_create(NULL, &RNA_Struct, ptr->type, &tptr);
iterprop= RNA_struct_find_property(&tptr, "functions");
RNA_PROP_BEGIN(&tptr, itemptr, iterprop) {
idname= RNA_function_identifier(itemptr.data);
pystring= PyUnicode_FromString(idname);
PyList_Append(list, pystring);
Py_DECREF(pystring);
}
RNA_PROP_END;
}
{
/*
* Collect RNA attributes
*/
char name[256], *nameptr;
iterprop= RNA_struct_iterator_property(ptr->type);
RNA_PROP_BEGIN(ptr, itemptr, iterprop) {
nameptr= RNA_struct_name_get_alloc(&itemptr, name, sizeof(name));
if(nameptr) {
pystring= PyUnicode_FromString(nameptr);
PyList_Append(list, pystring);
Py_DECREF(pystring);
if(name != nameptr)
MEM_freeN(nameptr);
}
}
RNA_PROP_END;
}
}
static PyObject *pyrna_struct_dir(BPy_StructRNA *self)
{
PyObject *ret;
PyObject *pystring;
PYRNA_STRUCT_CHECK_OBJ(self)
/* Include this incase this instance is a subtype of a python class
* In these instances we may want to return a function or variable provided by the subtype
* */
ret= PyList_New(0);
if (!BPy_StructRNA_CheckExact(self))
pyrna_dir_members_py(ret, (PyObject *)self);
pyrna_dir_members_rna(ret, &self->ptr);
if(self->ptr.type == &RNA_Context) {
ListBase lb= CTX_data_dir_get(self->ptr.data);
LinkData *link;
for(link=lb.first; link; link=link->next) {
pystring= PyUnicode_FromString(link->data);
PyList_Append(ret, pystring);
Py_DECREF(pystring);
}
BLI_freelistN(&lb);
}
{
/* set(), this is needed to remove-doubles because the deferred
* register-props will be in both the python __dict__ and accessed as RNA */
PyObject *set= PySet_New(ret);
Py_DECREF(ret);
ret= PySequence_List(set);
Py_DECREF(set);
}
return ret;
}
//---------------getattr--------------------------------------------
static PyObject *pyrna_struct_getattro(BPy_StructRNA *self, PyObject *pyname)
{
const char *name= _PyUnicode_AsString(pyname);
PyObject *ret;
PropertyRNA *prop;
FunctionRNA *func;
PYRNA_STRUCT_CHECK_OBJ(self)
if(name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_struct: __getattr__ must be a string");
ret= NULL;
}
else if(name[0]=='_') { // rna can't start with a "_", so for __dict__ and similar we can skip using rna lookups
/* annoying exception, maybe we need to have different types for this... */
if((strcmp(name, "__getitem__")==0 || strcmp(name, "__setitem__")==0) && !RNA_struct_idprops_check(self->ptr.type)) {
PyErr_SetString(PyExc_AttributeError, "bpy_struct: no __getitem__ support for this type");
ret= NULL;
}
else {
ret= PyObject_GenericGetAttr((PyObject *)self, pyname);
}
}
else if ((prop= RNA_struct_find_property(&self->ptr, name))) {
ret= pyrna_prop_to_py(&self->ptr, prop);
}
/* RNA function only if callback is declared (no optional functions) */
else if ((func= RNA_struct_find_function(&self->ptr, name)) && RNA_function_defined(func)) {
ret= pyrna_func_to_py(&self->ptr, func);
}
else if (self->ptr.type == &RNA_Context) {
bContext *C= self->ptr.data;
if(C==NULL) {
PyErr_Format(PyExc_AttributeError, "bpy_struct: Context is 'NULL', can't get \"%.200s\" from context", name);
ret= NULL;
}
else {
PointerRNA newptr;
ListBase newlb;
short newtype;
int done= CTX_data_get(C, name, &newptr, &newlb, &newtype);
if(done==1) { /* found */
switch(newtype) {
case CTX_DATA_TYPE_POINTER:
if(newptr.data == NULL) {
ret= Py_None;
Py_INCREF(ret);
}
else {
ret= pyrna_struct_CreatePyObject(&newptr);
}
break;
case CTX_DATA_TYPE_COLLECTION:
{
CollectionPointerLink *link;
PyObject *linkptr;
ret= PyList_New(0);
for(link=newlb.first; link; link=link->next) {
linkptr= pyrna_struct_CreatePyObject(&link->ptr);
PyList_Append(ret, linkptr);
Py_DECREF(linkptr);
}
}
break;
default:
/* should never happen */
BLI_assert(!"Invalid context type");
PyErr_Format(PyExc_AttributeError,
"bpy_struct: Context type invalid %d, can't get \"%.200s\" from context",
newtype, name);
ret= NULL;
}
}
else if (done==-1) { /* found but not set */
ret= Py_None;
Py_INCREF(ret);
}
else { /* not found in the context */
/* lookup the subclass. raise an error if its not found */
ret= PyObject_GenericGetAttr((PyObject *)self, pyname);
}
BLI_freelistN(&newlb);
}
}
else {
#if 0
PyErr_Format(PyExc_AttributeError, "bpy_struct: attribute \"%.200s\" not found", name);
ret= NULL;
#endif
/* Include this incase this instance is a subtype of a python class
* In these instances we may want to return a function or variable provided by the subtype
*
* Also needed to return methods when its not a subtype
* */
/* The error raised here will be displayed */
ret= PyObject_GenericGetAttr((PyObject *)self, pyname);
}
return ret;
}
#if 0
static int pyrna_struct_pydict_contains(PyObject *self, PyObject *pyname)
{
PyObject *dict= *(_PyObject_GetDictPtr((PyObject *)self));
if (dict==NULL) /* unlikely */
return 0;
return PyDict_Contains(dict, pyname);
}
#endif
//--------------- setattr-------------------------------------------
static int pyrna_is_deferred_prop(PyObject *value)
{
return PyTuple_CheckExact(value) && PyTuple_GET_SIZE(value)==2 && PyCallable_Check(PyTuple_GET_ITEM(value, 0)) && PyDict_CheckExact(PyTuple_GET_ITEM(value, 1));
}
#if 0
static PyObject *pyrna_struct_meta_idprop_getattro(PyObject *cls, PyObject *attr)
{
PyObject *ret= PyType_Type.tp_getattro(cls, attr);
/* Allows:
* >>> bpy.types.Scene.foo= BoolProperty()
* >>> bpy.types.Scene.foo
* <bpy_struct, BooleanProperty("foo")>
* ...rather than returning the deferred class register tuple as checked by pyrna_is_deferred_prop()
*
* Disable for now, this is faking internal behavior in a way thats too tricky to maintain well. */
#if 0
if(ret == NULL) { // || pyrna_is_deferred_prop(ret)
StructRNA *srna= srna_from_self(cls, "StructRNA.__getattr__");
if(srna) {
PropertyRNA *prop= RNA_struct_type_find_property(srna, _PyUnicode_AsString(attr));
if(prop) {
PointerRNA tptr;
PyErr_Clear(); /* clear error from tp_getattro */
RNA_pointer_create(NULL, &RNA_Property, prop, &tptr);
ret= pyrna_struct_CreatePyObject(&tptr);
}
}
}
#endif
return ret;
}
#endif
static int pyrna_struct_meta_idprop_setattro(PyObject *cls, PyObject *attr, PyObject *value)
{
StructRNA *srna= srna_from_self(cls, "StructRNA.__setattr__");
const int is_deferred_prop= (value && pyrna_is_deferred_prop(value));
if(srna && !pyrna_write_check() && (is_deferred_prop || RNA_struct_type_find_property(srna, _PyUnicode_AsString(attr)))) {
PyErr_Format(PyExc_AttributeError,
"pyrna_struct_meta_idprop_setattro() "
"can't set in readonly state '%.200s.%S'",
((PyTypeObject *)cls)->tp_name, attr);
return -1;
}
if(srna == NULL) {
/* allow setting on unregistered classes which can be registered later on */
/*
if(value && is_deferred_prop) {
PyErr_Format(PyExc_AttributeError,
"pyrna_struct_meta_idprop_setattro() unable to get srna from class '%.200s'",
((PyTypeObject *)cls)->tp_name);
return -1;
}
*/
/* srna_from_self may set an error */
PyErr_Clear();
return PyType_Type.tp_setattro(cls, attr, value);
}
if(value) {
/* check if the value is a property */
if(is_deferred_prop) {
int ret= deferred_register_prop(srna, attr, value);
if(ret == -1) {
/* error set */
return ret;
}
/* pass through and assign to the classes __dict__ as well
* when the value isn't assigned it still creates the RNA property
* but gets confusing from script writers POV if the assigned value cant be read back. */
}
else {
/* remove existing property if its set or we also end up with confusion */
const char *attr_str= _PyUnicode_AsString(attr);
RNA_def_property_free_identifier(srna, attr_str); /* ignore on failure */
}
}
else { /* __delattr__ */
/* first find if this is a registered property */
const char *attr_str= _PyUnicode_AsString(attr);
int ret= RNA_def_property_free_identifier(srna, attr_str);
if (ret == -1) {
PyErr_Format(PyExc_TypeError, "struct_meta_idprop.detattr(): '%s' not a dynamic property", attr_str);
return -1;
}
}
/* fallback to standard py, delattr/setattr */
return PyType_Type.tp_setattro(cls, attr, value);
}
static int pyrna_struct_setattro(BPy_StructRNA *self, PyObject *pyname, PyObject *value)
{
const char *name= _PyUnicode_AsString(pyname);
PropertyRNA *prop= NULL;
PYRNA_STRUCT_CHECK_INT(self)
#ifdef USE_PEDANTIC_WRITE
if(rna_disallow_writes && rna_id_write_error(&self->ptr, pyname)) {
return -1;
}
#endif // USE_STRING_COERCE
if(name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_struct: __setattr__ must be a string");
return -1;
}
else if (name[0] != '_' && (prop= RNA_struct_find_property(&self->ptr, name))) {
if (!RNA_property_editable_flag(&self->ptr, prop)) {
PyErr_Format(PyExc_AttributeError,
"bpy_struct: attribute \"%.200s\" from \"%.200s\" is read-only",
RNA_property_identifier(prop), RNA_struct_identifier(self->ptr.type));
return -1;
}
}
else if (self->ptr.type == &RNA_Context) {
/* code just raises correct error, context prop's cant be set, unless its apart of the py class */
bContext *C= self->ptr.data;
if(C==NULL) {
PyErr_Format(PyExc_AttributeError, "bpy_struct: Context is 'NULL', can't set \"%.200s\" from context", name);
return -1;
}
else {
PointerRNA newptr;
ListBase newlb;
short newtype;
int done= CTX_data_get(C, name, &newptr, &newlb, &newtype);
if(done==1) {
PyErr_Format(PyExc_AttributeError, "bpy_struct: Context property \"%.200s\" is read-only", name);
BLI_freelistN(&newlb);
return -1;
}
BLI_freelistN(&newlb);
}
}
/* pyrna_py_to_prop sets its own exceptions */
if(prop) {
if(value == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_struct: del not supported");
return -1;
}
return pyrna_py_to_prop(&self->ptr, prop, NULL, value, "bpy_struct: item.attr= val:");
}
else {
return PyObject_GenericSetAttr((PyObject *)self, pyname, value);
}
}
static PyObject *pyrna_prop_dir(BPy_PropertyRNA *self)
{
PyObject *ret;
PointerRNA r_ptr;
/* Include this incase this instance is a subtype of a python class
* In these instances we may want to return a function or variable provided by the subtype
* */
ret= PyList_New(0);
if (!BPy_PropertyRNA_CheckExact(self)) {
pyrna_dir_members_py(ret, (PyObject *)self);
}
if(RNA_property_type(self->prop) == PROP_COLLECTION) {
if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr)) {
pyrna_dir_members_rna(ret, &r_ptr);
}
}
return ret;
}
static PyObject *pyrna_prop_array_getattro(BPy_PropertyRNA *self, PyObject *pyname)
{
return PyObject_GenericGetAttr((PyObject *)self, pyname);
}
static PyObject *pyrna_prop_collection_getattro(BPy_PropertyRNA *self, PyObject *pyname)
{
const char *name= _PyUnicode_AsString(pyname);
if(name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_prop_collection: __getattr__ must be a string");
return NULL;
}
else if(name[0] != '_') {
PyObject *ret;
PropertyRNA *prop;
FunctionRNA *func;
PointerRNA r_ptr;
if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr)) {
if ((prop= RNA_struct_find_property(&r_ptr, name))) {
ret= pyrna_prop_to_py(&r_ptr, prop);
return ret;
}
else if ((func= RNA_struct_find_function(&r_ptr, name))) {
PyObject *self_collection= pyrna_struct_CreatePyObject(&r_ptr);
ret= pyrna_func_to_py(&((BPy_DummyPointerRNA *)self_collection)->ptr, func);
Py_DECREF(self_collection);
return ret;
}
}
}
#if 0
return PyObject_GenericGetAttr((PyObject *)self, pyname);
#else
{
/* Could just do this except for 1 awkward case.
* PyObject_GenericGetAttr((PyObject *)self, pyname);
* so as to support 'bpy.data.library.load()'
* note, this _only_ supports static methods */
PyObject *ret= PyObject_GenericGetAttr((PyObject *)self, pyname);
if(ret == NULL && name[0] != '_') { /* avoid inheriting __call__ and similar */
/* since this is least common case, handle it last */
PointerRNA r_ptr;
if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr)) {
PyObject *cls;
PyObject *error_type, *error_value, *error_traceback;
PyErr_Fetch(&error_type, &error_value, &error_traceback);
PyErr_Clear();
cls= pyrna_struct_Subtype(&r_ptr); /* borrows */
ret= PyObject_GenericGetAttr(cls, pyname);
/* restore the original error */
if(ret == NULL) {
PyErr_Restore(error_type, error_value, error_traceback);
}
}
}
return ret;
}
#endif
}
//--------------- setattr-------------------------------------------
static int pyrna_prop_collection_setattro(BPy_PropertyRNA *self, PyObject *pyname, PyObject *value)
{
const char *name= _PyUnicode_AsString(pyname);
PropertyRNA *prop;
PointerRNA r_ptr;
#ifdef USE_PEDANTIC_WRITE
if(rna_disallow_writes && rna_id_write_error(&self->ptr, pyname)) {
return -1;
}
#endif // USE_STRING_COERCE
if(name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_prop: __setattr__ must be a string");
return -1;
}
else if(value == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_prop: del not supported");
return -1;
}
else if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr)) {
if ((prop= RNA_struct_find_property(&r_ptr, name))) {
/* pyrna_py_to_prop sets its own exceptions */
return pyrna_py_to_prop(&r_ptr, prop, NULL, value, "BPy_PropertyRNA - Attribute (setattr):");
}
}
PyErr_Format(PyExc_AttributeError, "bpy_prop_collection: attribute \"%.200s\" not found", name);
return -1;
}
/* odd case, we need to be able return a python method from a tp_getset */
static PyObject *pyrna_prop_collection_idprop_add(BPy_PropertyRNA *self)
{
PointerRNA r_ptr;
RNA_property_collection_add(&self->ptr, self->prop, &r_ptr);
if(!r_ptr.data) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection.add(): not supported for this collection");
return NULL;
}
else {
return pyrna_struct_CreatePyObject(&r_ptr);
}
}
static PyObject *pyrna_prop_collection_idprop_remove(BPy_PropertyRNA *self, PyObject *value)
{
int key= PyLong_AsLong(value);
if (key==-1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection.remove(): expected one int argument");
return NULL;
}
if(!RNA_property_collection_remove(&self->ptr, self->prop, key)) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection.remove() not supported for this collection");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *pyrna_prop_collection_idprop_move(BPy_PropertyRNA *self, PyObject *args)
{
int key=0, pos=0;
if (!PyArg_ParseTuple(args, "ii", &key, &pos)) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection.move(): expected two ints as arguments");
return NULL;
}
if(!RNA_property_collection_move(&self->ptr, self->prop, key, pos)) {
PyErr_SetString(PyExc_TypeError, "bpy_prop_collection.move() not supported for this collection");
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *pyrna_struct_get_id_data(BPy_DummyPointerRNA *self)
{
/* used for struct and pointer since both have a ptr */
if(self->ptr.id.data) {
PointerRNA id_ptr;
RNA_id_pointer_create((ID *)self->ptr.id.data, &id_ptr);
return pyrna_struct_CreatePyObject(&id_ptr);
}
Py_RETURN_NONE;
}
/*****************************************************************************/
/* Python attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef pyrna_prop_getseters[]= {
{(char *)"id_data", (getter)pyrna_struct_get_id_data, (setter)NULL, (char *)"The :class:`ID` object this datablock is from or None, (not available for all data types)", NULL},
{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
};
static PyGetSetDef pyrna_struct_getseters[]= {
{(char *)"id_data", (getter)pyrna_struct_get_id_data, (setter)NULL, (char *)"The :class:`ID` object this datablock is from or None, (not available for all data types)", NULL},
{NULL, NULL, NULL, NULL, NULL} /* Sentinel */
};
PyDoc_STRVAR(pyrna_prop_collection_keys_doc,
".. method:: keys()\n"
"\n"
" Return the identifiers of collection members\n"
" (matching pythons dict.keys() functionality).\n"
"\n"
" :return: the identifiers for each member of this collection.\n"
" :rtype: list of stings\n"
);
static PyObject *pyrna_prop_collection_keys(BPy_PropertyRNA *self)
{
PyObject *ret= PyList_New(0);
PyObject *item;
char name[256], *nameptr;
RNA_PROP_BEGIN(&self->ptr, itemptr, self->prop) {
nameptr= RNA_struct_name_get_alloc(&itemptr, name, sizeof(name));
if(nameptr) {
/* add to python list */
item= PyUnicode_FromString(nameptr);
PyList_Append(ret, item);
Py_DECREF(item);
/* done */
if(name != nameptr)
MEM_freeN(nameptr);
}
}
RNA_PROP_END;
return ret;
}
PyDoc_STRVAR(pyrna_prop_collection_items_doc,
".. method:: items()\n"
"\n"
" Return the identifiers of collection members\n"
" (matching pythons dict.items() functionality).\n"
"\n"
" :return: (key, value) pairs for each member of this collection.\n"
" :rtype: list of tuples\n"
);
static PyObject *pyrna_prop_collection_items(BPy_PropertyRNA *self)
{
PyObject *ret= PyList_New(0);
PyObject *item;
char name[256], *nameptr;
int i= 0;
RNA_PROP_BEGIN(&self->ptr, itemptr, self->prop) {
if(itemptr.data) {
/* add to python list */
item= PyTuple_New(2);
nameptr= RNA_struct_name_get_alloc(&itemptr, name, sizeof(name));
if(nameptr) {
PyTuple_SET_ITEM(item, 0, PyUnicode_FromString(nameptr));
if(name != nameptr)
MEM_freeN(nameptr);
}
else {
PyTuple_SET_ITEM(item, 0, PyLong_FromSsize_t(i)); /* a bit strange but better then returning an empty list */
}
PyTuple_SET_ITEM(item, 1, pyrna_struct_CreatePyObject(&itemptr));
PyList_Append(ret, item);
Py_DECREF(item);
i++;
}
}
RNA_PROP_END;
return ret;
}
PyDoc_STRVAR(pyrna_prop_collection_values_doc,
".. method:: values()\n"
"\n"
" Return the values of collection\n"
" (matching pythons dict.values() functionality).\n"
"\n"
" :return: the members of this collection.\n"
" :rtype: list\n"
);
static PyObject *pyrna_prop_collection_values(BPy_PropertyRNA *self)
{
/* re-use slice*/
return pyrna_prop_collection_subscript_slice(self, 0, PY_SSIZE_T_MAX);
}
PyDoc_STRVAR(pyrna_struct_get_doc,
".. method:: get(key, default=None)\n"
"\n"
" Returns the value of the custom property assigned to key or default\n"
" when not found (matches pythons dictionary function of the same name).\n"
"\n"
" :arg key: The key assosiated with the custom property.\n"
" :type key: string\n"
" :arg default: Optional argument for the value to return if\n"
" *key* is not found.\n"
" :type default: Undefined\n"
"\n"
" .. note:: Only :class:`ID`, :class:`Bone` and :class:`PoseBone`\n"
" classes support custom properties.\n"
);
static PyObject *pyrna_struct_get(BPy_StructRNA *self, PyObject *args)
{
IDProperty *group, *idprop;
const char *key;
PyObject* def= Py_None;
PYRNA_STRUCT_CHECK_OBJ(self)
if (!PyArg_ParseTuple(args, "s|O:get", &key, &def))
return NULL;
/* mostly copied from BPy_IDGroup_Map_GetItem */
if(RNA_struct_idprops_check(self->ptr.type)==0) {
PyErr_SetString(PyExc_TypeError, "this type doesn't support IDProperties");
return NULL;
}
group= RNA_struct_idprops(&self->ptr, 0);
if(group) {
idprop= IDP_GetPropertyFromGroup(group, key);
if(idprop)
return BPy_IDGroup_WrapData(self->ptr.id.data, idprop);
}
return Py_INCREF(def), def;
}
PyDoc_STRVAR(pyrna_struct_as_pointer_doc,
".. method:: as_pointer()\n"
"\n"
" Returns the memory address which holds a pointer to blenders internal data\n"
"\n"
" :return: int (memory address).\n"
" :rtype: int\n"
"\n"
" .. note:: This is intended only for advanced script writers who need to\n"
" pass blender data to their own C/Python modules.\n"
);
static PyObject *pyrna_struct_as_pointer(BPy_StructRNA *self)
{
return PyLong_FromVoidPtr(self->ptr.data);
}
PyDoc_STRVAR(pyrna_prop_collection_get_doc,
".. method:: get(key, default=None)\n"
"\n"
" Returns the value of the item assigned to key or default when not found\n"
" (matches pythons dictionary function of the same name).\n"
"\n"
" :arg key: The identifier for the collection member.\n"
" :type key: string\n"
" :arg default: Optional argument for the value to return if\n"
" *key* is not found.\n"
" :type default: Undefined\n"
);
static PyObject *pyrna_prop_collection_get(BPy_PropertyRNA *self, PyObject *args)
{
PointerRNA newptr;
const char *key;
PyObject* def= Py_None;
PYRNA_PROP_CHECK_OBJ(self)
if (!PyArg_ParseTuple(args, "s|O:get", &key, &def))
return NULL;
if(RNA_property_collection_lookup_string(&self->ptr, self->prop, key, &newptr))
return pyrna_struct_CreatePyObject(&newptr);
return Py_INCREF(def), def;
}
static void foreach_attr_type( BPy_PropertyRNA *self, const char *attr,
/* values to assign */
RawPropertyType *raw_type, int *attr_tot, int *attr_signed)
{
PropertyRNA *prop;
*raw_type= PROP_RAW_UNSET;
*attr_tot= 0;
*attr_signed= FALSE;
/* note: this is fail with zero length lists, so dont let this get caled in that case */
RNA_PROP_BEGIN(&self->ptr, itemptr, self->prop) {
prop= RNA_struct_find_property(&itemptr, attr);
*raw_type= RNA_property_raw_type(prop);
*attr_tot= RNA_property_array_length(&itemptr, prop);
*attr_signed= (RNA_property_subtype(prop)==PROP_UNSIGNED) ? FALSE:TRUE;
break;
}
RNA_PROP_END;
}
/* pyrna_prop_collection_foreach_get/set both use this */
static int foreach_parse_args(
BPy_PropertyRNA *self, PyObject *args,
/*values to assign */
const char **attr, PyObject **seq, int *tot, int *size, RawPropertyType *raw_type, int *attr_tot, int *attr_signed)
{
#if 0
int array_tot;
int target_tot;
#endif
*size= *attr_tot= *attr_signed= FALSE;
*raw_type= PROP_RAW_UNSET;
if(!PyArg_ParseTuple(args, "sO", attr, seq) || (!PySequence_Check(*seq) && PyObject_CheckBuffer(*seq))) {
PyErr_SetString(PyExc_TypeError, "foreach_get(attr, sequence) expects a string and a sequence");
return -1;
}
*tot= PySequence_Size(*seq); // TODO - buffer may not be a sequence! array.array() is tho.
if(*tot>0) {
foreach_attr_type(self, *attr, raw_type, attr_tot, attr_signed);
*size= RNA_raw_type_sizeof(*raw_type);
#if 0 // works fine but not strictly needed, we could allow RNA_property_collection_raw_* to do the checks
if((*attr_tot) < 1)
*attr_tot= 1;
if (RNA_property_type(self->prop) == PROP_COLLECTION)
array_tot= RNA_property_collection_length(&self->ptr, self->prop);
else
array_tot= RNA_property_array_length(&self->ptr, self->prop);
target_tot= array_tot * (*attr_tot);
/* rna_access.c - rna_raw_access(...) uses this same method */
if(target_tot != (*tot)) {
PyErr_Format(PyExc_TypeError,
"foreach_get(attr, sequence) sequence length mismatch given %d, needed %d",
*tot, target_tot);
return -1;
}
#endif
}
/* check 'attr_tot' otherwise we dont know if any values were set
* this isn't ideal because it means running on an empty list may fail silently when its not compatible. */
if (*size == 0 && *attr_tot != 0) {
PyErr_SetString(PyExc_AttributeError, "attribute does not support foreach method");
return -1;
}
return 0;
}
static int foreach_compat_buffer(RawPropertyType raw_type, int attr_signed, const char *format)
{
char f= format ? *format:'B'; /* B is assumed when not set */
switch(raw_type) {
case PROP_RAW_CHAR:
if (attr_signed) return (f=='b') ? 1:0;
else return (f=='B') ? 1:0;
case PROP_RAW_SHORT:
if (attr_signed) return (f=='h') ? 1:0;
else return (f=='H') ? 1:0;
case PROP_RAW_INT:
if (attr_signed) return (f=='i') ? 1:0;
else return (f=='I') ? 1:0;
case PROP_RAW_FLOAT:
return (f=='f') ? 1:0;
case PROP_RAW_DOUBLE:
return (f=='d') ? 1:0;
case PROP_RAW_UNSET:
return 0;
}
return 0;
}
static PyObject *foreach_getset(BPy_PropertyRNA *self, PyObject *args, int set)
{
PyObject *item= NULL;
int i=0, ok=0, buffer_is_compat;
void *array= NULL;
/* get/set both take the same args currently */
const char *attr;
PyObject *seq;
int tot, size, attr_tot, attr_signed;
RawPropertyType raw_type;
if(foreach_parse_args(self, args, &attr, &seq, &tot, &size, &raw_type, &attr_tot, &attr_signed) < 0)
return NULL;
if(tot==0)
Py_RETURN_NONE;
if(set) { /* get the array from python */
buffer_is_compat= FALSE;
if(PyObject_CheckBuffer(seq)) {
Py_buffer buf;
PyObject_GetBuffer(seq, &buf, PyBUF_SIMPLE | PyBUF_FORMAT);
/* check if the buffer matches */
buffer_is_compat= foreach_compat_buffer(raw_type, attr_signed, buf.format);
if(buffer_is_compat) {
ok= RNA_property_collection_raw_set(NULL, &self->ptr, self->prop, attr, buf.buf, raw_type, tot);
}
PyBuffer_Release(&buf);
}
/* could not use the buffer, fallback to sequence */
if(!buffer_is_compat) {
array= PyMem_Malloc(size * tot);
for( ; i<tot; i++) {
item= PySequence_GetItem(seq, i);
switch(raw_type) {
case PROP_RAW_CHAR:
((char *)array)[i]= (char)PyLong_AsLong(item);
break;
case PROP_RAW_SHORT:
((short *)array)[i]= (short)PyLong_AsLong(item);
break;
case PROP_RAW_INT:
((int *)array)[i]= (int)PyLong_AsLong(item);
break;
case PROP_RAW_FLOAT:
((float *)array)[i]= (float)PyFloat_AsDouble(item);
break;
case PROP_RAW_DOUBLE:
((double *)array)[i]= (double)PyFloat_AsDouble(item);
break;
case PROP_RAW_UNSET:
/* should never happen */
BLI_assert(!"Invalid array type - set");
break;
}
Py_DECREF(item);
}
ok= RNA_property_collection_raw_set(NULL, &self->ptr, self->prop, attr, array, raw_type, tot);
}
}
else {
buffer_is_compat= FALSE;
if(PyObject_CheckBuffer(seq)) {
Py_buffer buf;
PyObject_GetBuffer(seq, &buf, PyBUF_SIMPLE | PyBUF_FORMAT);
/* check if the buffer matches, TODO - signed/unsigned types */
buffer_is_compat= foreach_compat_buffer(raw_type, attr_signed, buf.format);
if(buffer_is_compat) {
ok= RNA_property_collection_raw_get(NULL, &self->ptr, self->prop, attr, buf.buf, raw_type, tot);
}
PyBuffer_Release(&buf);
}
/* could not use the buffer, fallback to sequence */
if(!buffer_is_compat) {
array= PyMem_Malloc(size * tot);
ok= RNA_property_collection_raw_get(NULL, &self->ptr, self->prop, attr, array, raw_type, tot);
if(!ok) i= tot; /* skip the loop */
for( ; i<tot; i++) {
switch(raw_type) {
case PROP_RAW_CHAR:
item= PyLong_FromSsize_t((Py_ssize_t) ((char *)array)[i]);
break;
case PROP_RAW_SHORT:
item= PyLong_FromSsize_t((Py_ssize_t) ((short *)array)[i]);
break;
case PROP_RAW_INT:
item= PyLong_FromSsize_t((Py_ssize_t) ((int *)array)[i]);
break;
case PROP_RAW_FLOAT:
item= PyFloat_FromDouble((double) ((float *)array)[i]);
break;
case PROP_RAW_DOUBLE:
item= PyFloat_FromDouble((double) ((double *)array)[i]);
break;
default: /* PROP_RAW_UNSET */
/* should never happen */
BLI_assert(!"Invalid array type - get");
item= Py_None;
Py_INCREF(item);
break;
}
PySequence_SetItem(seq, i, item);
Py_DECREF(item);
}
}
}
if(array)
PyMem_Free(array);
if(PyErr_Occurred()) {
/* Maybe we could make our own error */
PyErr_Print();
PyErr_SetString(PyExc_TypeError, "couldn't access the py sequence");
return NULL;
}
if (!ok) {
PyErr_SetString(PyExc_RuntimeError, "internal error setting the array");
return NULL;
}
Py_RETURN_NONE;
}
PyDoc_STRVAR(pyrna_prop_collection_foreach_get_doc,
".. method:: foreach_get(attr, seq)\n"
"\n"
" This is a function to give fast access to attributes within a collection.\n"
"\n"
" .. code-block:: python\n"
"\n"
" collection.foreach_get(someseq, attr)\n"
"\n"
" # Python equivalent\n"
" for i in range(len(seq)): someseq[i]= getattr(collection, attr)\n"
"\n"
);
static PyObject *pyrna_prop_collection_foreach_get(BPy_PropertyRNA *self, PyObject *args)
{
PYRNA_PROP_CHECK_OBJ(self)
return foreach_getset(self, args, 0);
}
PyDoc_STRVAR(pyrna_prop_collection_foreach_set_doc,
".. method:: foreach_set(attr, seq)\n"
"\n"
" This is a function to give fast access to attributes within a collection.\n"
"\n"
" .. code-block:: python\n"
"\n"
" collection.foreach_set(seq, attr)\n"
"\n"
" # Python equivalent\n"
" for i in range(len(seq)): setattr(collection[i], attr, seq[i])\n"
"\n"
);
static PyObject *pyrna_prop_collection_foreach_set(BPy_PropertyRNA *self, PyObject *args)
{
PYRNA_PROP_CHECK_OBJ(self)
return foreach_getset(self, args, 1);
}
/* A bit of a kludge, make a list out of a collection or array,
* then return the lists iter function, not especially fast but convenient for now */
static PyObject *pyrna_prop_array_iter(BPy_PropertyArrayRNA *self)
{
/* Try get values from a collection */
PyObject *ret;
PyObject *iter= NULL;
int len;
PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self)
len= pyrna_prop_array_length(self);
ret= pyrna_prop_array_subscript_slice(self, &self->ptr, self->prop, 0, len, len);
/* we know this is a list so no need to PyIter_Check
* otherwise it could be NULL (unlikely) if conversion failed */
if(ret) {
iter= PyObject_GetIter(ret);
Py_DECREF(ret);
}
return iter;
}
static PyObject *pyrna_prop_collection_iter(BPy_PropertyRNA *self);
#ifndef USE_PYRNA_ITER
static PyObject *pyrna_prop_collection_iter(BPy_PropertyRNA *self)
{
/* Try get values from a collection */
PyObject *ret;
PyObject *iter= NULL;
ret= pyrna_prop_collection_values(self);
/* we know this is a list so no need to PyIter_Check
* otherwise it could be NULL (unlikely) if conversion failed */
if(ret) {
iter= PyObject_GetIter(ret);
Py_DECREF(ret);
}
return iter;
}
#endif /* # !USE_PYRNA_ITER */
static struct PyMethodDef pyrna_struct_methods[]= {
/* only for PointerRNA's with ID'props */
{"keys", (PyCFunction)pyrna_struct_keys, METH_NOARGS, pyrna_struct_keys_doc},
{"values", (PyCFunction)pyrna_struct_values, METH_NOARGS, pyrna_struct_values_doc},
{"items", (PyCFunction)pyrna_struct_items, METH_NOARGS, pyrna_struct_items_doc},
{"get", (PyCFunction)pyrna_struct_get, METH_VARARGS, pyrna_struct_get_doc},
{"as_pointer", (PyCFunction)pyrna_struct_as_pointer, METH_NOARGS, pyrna_struct_as_pointer_doc},
/* bpy_rna_anim.c */
{"keyframe_insert", (PyCFunction)pyrna_struct_keyframe_insert, METH_VARARGS|METH_KEYWORDS, pyrna_struct_keyframe_insert_doc},
{"keyframe_delete", (PyCFunction)pyrna_struct_keyframe_delete, METH_VARARGS|METH_KEYWORDS, pyrna_struct_keyframe_delete_doc},
{"driver_add", (PyCFunction)pyrna_struct_driver_add, METH_VARARGS, pyrna_struct_driver_add_doc},
{"driver_remove", (PyCFunction)pyrna_struct_driver_remove, METH_VARARGS, pyrna_struct_driver_remove_doc},
{"is_property_set", (PyCFunction)pyrna_struct_is_property_set, METH_VARARGS, pyrna_struct_is_property_set_doc},
{"is_property_hidden", (PyCFunction)pyrna_struct_is_property_hidden, METH_VARARGS, pyrna_struct_is_property_hidden_doc},
{"path_resolve", (PyCFunction)pyrna_struct_path_resolve, METH_VARARGS, pyrna_struct_path_resolve_doc},
{"path_from_id", (PyCFunction)pyrna_struct_path_from_id, METH_VARARGS, pyrna_struct_path_from_id_doc},
{"type_recast", (PyCFunction)pyrna_struct_type_recast, METH_NOARGS, pyrna_struct_type_recast_doc},
{"__dir__", (PyCFunction)pyrna_struct_dir, METH_NOARGS, NULL},
/* experemental */
{"callback_add", (PyCFunction)pyrna_callback_add, METH_VARARGS, NULL},
{"callback_remove", (PyCFunction)pyrna_callback_remove, METH_VARARGS, NULL},
{NULL, NULL, 0, NULL}
};
static struct PyMethodDef pyrna_prop_methods[]= {
{"path_from_id", (PyCFunction)pyrna_prop_path_from_id, METH_NOARGS, pyrna_prop_path_from_id_doc},
{"__dir__", (PyCFunction)pyrna_prop_dir, METH_NOARGS, NULL},
{NULL, NULL, 0, NULL}
};
static struct PyMethodDef pyrna_prop_array_methods[]= {
{NULL, NULL, 0, NULL}
};
static struct PyMethodDef pyrna_prop_collection_methods[]= {
{"foreach_get", (PyCFunction)pyrna_prop_collection_foreach_get, METH_VARARGS, pyrna_prop_collection_foreach_get_doc},
{"foreach_set", (PyCFunction)pyrna_prop_collection_foreach_set, METH_VARARGS, pyrna_prop_collection_foreach_set_doc},
{"keys", (PyCFunction)pyrna_prop_collection_keys, METH_NOARGS, pyrna_prop_collection_keys_doc},
{"items", (PyCFunction)pyrna_prop_collection_items, METH_NOARGS, pyrna_prop_collection_items_doc},
{"values", (PyCFunction)pyrna_prop_collection_values, METH_NOARGS, pyrna_prop_collection_values_doc},
{"get", (PyCFunction)pyrna_prop_collection_get, METH_VARARGS, pyrna_prop_collection_get_doc},
{NULL, NULL, 0, NULL}
};
static struct PyMethodDef pyrna_prop_collection_idprop_methods[]= {
{"add", (PyCFunction)pyrna_prop_collection_idprop_add, METH_NOARGS, NULL},
{"remove", (PyCFunction)pyrna_prop_collection_idprop_remove, METH_O, NULL},
{"move", (PyCFunction)pyrna_prop_collection_idprop_move, METH_VARARGS, NULL},
{NULL, NULL, 0, NULL}
};
/* only needed for subtyping, so a new class gets a valid BPy_StructRNA
* todo - also accept useful args */
static PyObject *pyrna_struct_new(PyTypeObject *type, PyObject *args, PyObject *UNUSED(kwds))
{
if(PyTuple_GET_SIZE(args) == 1) {
BPy_StructRNA *base= (BPy_StructRNA *)PyTuple_GET_ITEM(args, 0);
if (Py_TYPE(base) == type) {
Py_INCREF(base);
return (PyObject *)base;
}
else if (PyType_IsSubtype(Py_TYPE(base), &pyrna_struct_Type)) {
/* this almost never runs, only when using user defined subclasses of built-in object.
* this isn't common since its NOT related to registerable subclasses. eg:
>>> class MyObSubclass(bpy.types.Object):
... def test_func(self):
... print(100)
...
>>> myob= MyObSubclass(bpy.context.object)
>>> myob.test_func()
100
*
* Keep this since it could be useful.
*/
BPy_StructRNA *ret;
if((ret= (BPy_StructRNA *)type->tp_alloc(type, 0))) {
ret->ptr= base->ptr;
}
/* pass on exception & NULL if tp_alloc fails */
return (PyObject *)ret;
}
/* error, invalid type given */
PyErr_Format(PyExc_TypeError, "bpy_struct.__new__(type): type '%.200s' is not a subtype of bpy_struct", type->tp_name);
return NULL;
}
else {
PyErr_Format(PyExc_TypeError, "bpy_struct.__new__(type): expected a single argument");
return NULL;
}
}
/* only needed for subtyping, so a new class gets a valid BPy_StructRNA
* todo - also accept useful args */
static PyObject *pyrna_prop_new(PyTypeObject *type, PyObject *args, PyObject *UNUSED(kwds)) {
BPy_PropertyRNA *base;
if (!PyArg_ParseTuple(args, "O!:bpy_prop.__new__", &pyrna_prop_Type, &base))
return NULL;
if (type == Py_TYPE(base)) {
Py_INCREF(base);
return (PyObject *)base;
}
else if (PyType_IsSubtype(type, &pyrna_prop_Type)) {
BPy_PropertyRNA *ret= (BPy_PropertyRNA *) type->tp_alloc(type, 0);
ret->ptr= base->ptr;
ret->prop= base->prop;
return (PyObject *)ret;
}
else {
PyErr_Format(PyExc_TypeError, "bpy_prop.__new__(type): type '%.200s' is not a subtype of bpy_prop", type->tp_name);
return NULL;
}
}
static PyObject *pyrna_param_to_py(PointerRNA *ptr, PropertyRNA *prop, void *data)
{
PyObject *ret;
int type= RNA_property_type(prop);
int flag= RNA_property_flag(prop);
if(RNA_property_array_check(ptr, prop)) {
int a, len;
if (flag & PROP_DYNAMIC) {
ParameterDynAlloc *data_alloc= data;
len= data_alloc->array_tot;
data= data_alloc->array;
}
else
len= RNA_property_array_length(ptr, prop);
/* resolve the array from a new pytype */
/* kazanbas: TODO make multidim sequences here */
switch (type) {
case PROP_BOOLEAN:
ret= PyTuple_New(len);
for(a=0; a<len; a++)
PyTuple_SET_ITEM(ret, a, PyBool_FromLong(((int*)data)[a]));
break;
case PROP_INT:
ret= PyTuple_New(len);
for(a=0; a<len; a++)
PyTuple_SET_ITEM(ret, a, PyLong_FromSsize_t((Py_ssize_t)((int*)data)[a]));
break;
case PROP_FLOAT:
switch(RNA_property_subtype(prop)) {
#ifdef USE_MATHUTILS
case PROP_ALL_VECTOR_SUBTYPES:
ret= newVectorObject(data, len, Py_NEW, NULL);
break;
case PROP_MATRIX:
if(len==16) {
ret= newMatrixObject(data, 4, 4, Py_NEW, NULL);
break;
}
else if (len==9) {
ret= newMatrixObject(data, 3, 3, Py_NEW, NULL);
break;
}
/* pass through */
#endif
default:
ret= PyTuple_New(len);
for(a=0; a<len; a++)
PyTuple_SET_ITEM(ret, a, PyFloat_FromDouble(((float*)data)[a]));
}
break;
default:
PyErr_Format(PyExc_TypeError, "RNA Error: unknown array type \"%d\" (pyrna_param_to_py)", type);
ret= NULL;
break;
}
}
else {
/* see if we can coorce into a python type - PropertyType */
switch (type) {
case PROP_BOOLEAN:
ret= PyBool_FromLong(*(int*)data);
break;
case PROP_INT:
ret= PyLong_FromSsize_t((Py_ssize_t)*(int*)data);
break;
case PROP_FLOAT:
ret= PyFloat_FromDouble(*(float*)data);
break;
case PROP_STRING:
{
char *data_ch;
PyObject *value_coerce= NULL;
int subtype= RNA_property_subtype(prop);
if (flag & PROP_THICK_WRAP)
data_ch= (char *)data;
else
data_ch= *(char **)data;
#ifdef USE_STRING_COERCE
if(ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
ret= PyC_UnicodeFromByte(data_ch);
}
else {
ret= PyUnicode_FromString(data_ch);
}
#else
ret= PyUnicode_FromString(data_ch);
#endif
#ifdef USE_STRING_COERCE
Py_XDECREF(value_coerce);
#endif
break;
}
case PROP_ENUM:
{
ret= pyrna_enum_to_py(ptr, prop, *(int*)data);
break;
}
case PROP_POINTER:
{
PointerRNA newptr;
StructRNA *ptype= RNA_property_pointer_type(ptr, prop);
if(flag & PROP_RNAPTR) {
/* in this case we get the full ptr */
newptr= *(PointerRNA*)data;
}
else {
if(RNA_struct_is_ID(ptype)) {
RNA_id_pointer_create(*(void**)data, &newptr);
}
else {
/* note: this is taken from the function's ID pointer
* and will break if a function returns a pointer from
* another ID block, watch this! - it should at least be
* easy to debug since they are all ID's */
RNA_pointer_create(ptr->id.data, ptype, *(void**)data, &newptr);
}
}
if (newptr.data) {
ret= pyrna_struct_CreatePyObject(&newptr);
}
else {
ret= Py_None;
Py_INCREF(ret);
}
break;
}
case PROP_COLLECTION:
{
ListBase *lb= (ListBase*)data;
CollectionPointerLink *link;
PyObject *linkptr;
ret= PyList_New(0);
for(link=lb->first; link; link=link->next) {
linkptr= pyrna_struct_CreatePyObject(&link->ptr);
PyList_Append(ret, linkptr);
Py_DECREF(linkptr);
}
break;
}
default:
PyErr_Format(PyExc_TypeError, "RNA Error: unknown type \"%d\" (pyrna_param_to_py)", type);
ret= NULL;
break;
}
}
return ret;
}
static PyObject *pyrna_func_call(BPy_FunctionRNA *self, PyObject *args, PyObject *kw)
{
/* Note, both BPy_StructRNA and BPy_PropertyRNA can be used here */
PointerRNA *self_ptr= &self->ptr;
FunctionRNA *self_func= self->func;
PointerRNA funcptr;
ParameterList parms;
ParameterIterator iter;
PropertyRNA *parm;
PyObject *ret, *item;
int i, pyargs_len, pykw_len, parms_len, ret_len, flag, err= 0, kw_tot= 0, kw_arg;
const char *parm_id;
PropertyRNA *pret_single= NULL;
void *retdata_single= NULL;
/* enable this so all strings are copied and freed after calling.
* this exposes bugs where the pointer to the string is held and re-used */
// #define DEBUG_STRING_FREE
#ifdef DEBUG_STRING_FREE
PyObject *string_free_ls= PyList_New(0);
#endif
/* Should never happen but it does in rare cases */
BLI_assert(self_ptr != NULL);
if(self_ptr==NULL) {
PyErr_SetString(PyExc_RuntimeError, "rna functions internal rna pointer is NULL, this is a bug. aborting");
return NULL;
}
if(self_func==NULL) {
PyErr_Format(PyExc_RuntimeError,
"%.200s.<unknown>(): rna function internal function is NULL, this is a bug. aborting",
RNA_struct_identifier(self_ptr->type));
return NULL;
}
/* for testing */
/*
{
const char *fn;
int lineno;
PyC_FileAndNum(&fn, &lineno);
printf("pyrna_func_call > %.200s.%.200s : %.200s:%d\n", RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func), fn, lineno);
}
*/
/* include the ID pointer for pyrna_param_to_py() so we can include the
* ID pointer on return values, this only works when returned values have
* the same ID as the functions. */
RNA_pointer_create(self_ptr->id.data, &RNA_Function, self_func, &funcptr);
pyargs_len= PyTuple_GET_SIZE(args);
pykw_len= kw ? PyDict_Size(kw) : 0;
RNA_parameter_list_create(&parms, self_ptr, self_func);
RNA_parameter_list_begin(&parms, &iter);
parms_len= RNA_parameter_list_arg_count(&parms);
ret_len= 0;
if(pyargs_len + pykw_len > parms_len) {
RNA_parameter_list_end(&iter);
PyErr_Format(PyExc_TypeError,
"%.200s.%.200s(): takes at most %d arguments, got %d",
RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func),
parms_len, pyargs_len + pykw_len);
err= -1;
}
/* parse function parameters */
for (i= 0; iter.valid && err==0; RNA_parameter_list_next(&iter)) {
parm= iter.parm;
flag= RNA_property_flag(parm);
/* only useful for single argument returns, we'll need another list loop for multiple */
if (flag & PROP_OUTPUT) {
ret_len++;
if (pret_single==NULL) {
pret_single= parm;
retdata_single= iter.data;
}
continue;
}
parm_id= RNA_property_identifier(parm);
item= NULL;
if (i < pyargs_len) {
item= PyTuple_GET_ITEM(args, i);
i++;
kw_arg= FALSE;
}
else if (kw != NULL) {
item= PyDict_GetItemString(kw, parm_id); /* borrow ref */
if(item)
kw_tot++; /* make sure invalid keywords are not given */
kw_arg= TRUE;
}
if (item==NULL) {
if(flag & PROP_REQUIRED) {
PyErr_Format(PyExc_TypeError,
"%.200s.%.200s(): required parameter \"%.200s\" not specified",
RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func), parm_id);
err= -1;
break;
}
else { /* PyDict_GetItemString wont raise an error */
continue;
}
}
#ifdef DEBUG_STRING_FREE
if(item) {
if(PyUnicode_Check(item)) {
item= PyUnicode_FromString(_PyUnicode_AsString(item));
PyList_Append(string_free_ls, item);
Py_DECREF(item);
}
}
#endif
err= pyrna_py_to_prop(&funcptr, parm, iter.data, item, "");
if(err!=0) {
/* the error generated isn't that useful, so generate it again with a useful prefix
* could also write a function to prepend to error messages */
char error_prefix[512];
PyErr_Clear(); /* re-raise */
if(kw_arg==TRUE)
snprintf(error_prefix, sizeof(error_prefix), "%s.%s(): error with keyword argument \"%s\" - ", RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func), parm_id);
else
snprintf(error_prefix, sizeof(error_prefix), "%s.%s(): error with argument %d, \"%s\" - ", RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func), i, parm_id);
pyrna_py_to_prop(&funcptr, parm, iter.data, item, error_prefix);
break;
}
}
RNA_parameter_list_end(&iter);
/* Check if we gave args that don't exist in the function
* printing the error is slow but it should only happen when developing.
* the if below is quick, checking if it passed less keyword args then we gave.
* (Dont overwrite the error if we have one, otherwise can skip important messages and confuse with args)
*/
if(err == 0 && kw && (pykw_len > kw_tot)) {
PyObject *key, *value;
Py_ssize_t pos= 0;
DynStr *bad_args= BLI_dynstr_new();
DynStr *good_args= BLI_dynstr_new();
const char *arg_name, *bad_args_str, *good_args_str;
int found= FALSE, first= TRUE;
while (PyDict_Next(kw, &pos, &key, &value)) {
arg_name= _PyUnicode_AsString(key);
found= FALSE;
if(arg_name==NULL) { /* unlikely the argname is not a string but ignore if it is*/
PyErr_Clear();
}
else {
/* Search for arg_name */
RNA_parameter_list_begin(&parms, &iter);
for(; iter.valid; RNA_parameter_list_next(&iter)) {
parm= iter.parm;
if (strcmp(arg_name, RNA_property_identifier(parm))==0) {
found= TRUE;
break;
}
}
RNA_parameter_list_end(&iter);
if(found==FALSE) {
BLI_dynstr_appendf(bad_args, first ? "%s" : ", %s", arg_name);
first= FALSE;
}
}
}
/* list good args */
first= TRUE;
RNA_parameter_list_begin(&parms, &iter);
for(; iter.valid; RNA_parameter_list_next(&iter)) {
parm= iter.parm;
if(RNA_property_flag(parm) & PROP_OUTPUT)
continue;
BLI_dynstr_appendf(good_args, first ? "%s" : ", %s", RNA_property_identifier(parm));
first= FALSE;
}
RNA_parameter_list_end(&iter);
bad_args_str= BLI_dynstr_get_cstring(bad_args);
good_args_str= BLI_dynstr_get_cstring(good_args);
PyErr_Format(PyExc_TypeError,
"%.200s.%.200s(): was called with invalid keyword arguments(s) (%s), expected (%s)",
RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func),
bad_args_str, good_args_str);
BLI_dynstr_free(bad_args);
BLI_dynstr_free(good_args);
MEM_freeN((void *)bad_args_str);
MEM_freeN((void *)good_args_str);
err= -1;
}
ret= NULL;
if (err==0) {
/* call function */
ReportList reports;
bContext *C= BPy_GetContext();
BKE_reports_init(&reports, RPT_STORE);
RNA_function_call(C, &reports, self_ptr, self_func, &parms);
err= (BPy_reports_to_error(&reports, PyExc_RuntimeError, TRUE));
/* return value */
if(err != -1) {
if (ret_len > 0) {
if (ret_len > 1) {
ret= PyTuple_New(ret_len);
i= 0; /* arg index */
RNA_parameter_list_begin(&parms, &iter);
for(; iter.valid; RNA_parameter_list_next(&iter)) {
parm= iter.parm;
flag= RNA_property_flag(parm);
if (flag & PROP_OUTPUT)
PyTuple_SET_ITEM(ret, i++, pyrna_param_to_py(&funcptr, parm, iter.data));
}
RNA_parameter_list_end(&iter);
}
else
ret= pyrna_param_to_py(&funcptr, pret_single, retdata_single);
/* possible there is an error in conversion */
if(ret==NULL)
err= -1;
}
}
}
#ifdef DEBUG_STRING_FREE
// if(PyList_Size(string_free_ls)) printf("%.200s.%.200s(): has %d strings\n", RNA_struct_identifier(self_ptr->type), RNA_function_identifier(self_func), (int)PyList_Size(string_free_ls));
Py_DECREF(string_free_ls);
#undef DEBUG_STRING_FREE
#endif
/* cleanup */
RNA_parameter_list_end(&iter);
RNA_parameter_list_free(&parms);
if (ret)
return ret;
if (err==-1)
return NULL;
Py_RETURN_NONE;
}
/* subclasses of pyrna_struct_Type which support idprop definitions use this as a metaclass */
/* note: tp_base member is set to &PyType_Type on init */
PyTypeObject pyrna_struct_meta_idprop_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_struct_meta_idprop", /* tp_name */
sizeof(PyHeapTypeObject), /* tp_basicsize */ // XXX, would be PyTypeObject, but subtypes of Type must be PyHeapTypeObject's
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; */
NULL /*(getattrofunc) pyrna_struct_meta_idprop_getattro*/, /* getattrofunc tp_getattro; */
(setattrofunc) pyrna_struct_meta_idprop_setattro, /* 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 | Py_TPFLAGS_BASETYPE, /* 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, /* long tp_weaklistoffset; */
/*** 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
};
/*-----------------------BPy_StructRNA method def------------------------------*/
PyTypeObject pyrna_struct_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_struct", /* tp_name */
sizeof(BPy_StructRNA), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor) pyrna_struct_dealloc,/* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
(reprfunc) pyrna_struct_repr, /* tp_repr */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
&pyrna_struct_as_sequence, /* PySequenceMethods *tp_as_sequence; */
&pyrna_struct_as_mapping, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
(hashfunc) pyrna_struct_hash, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
(reprfunc) pyrna_struct_str, /* reprfunc tp_str; */
(getattrofunc) pyrna_struct_getattro, /* getattrofunc tp_getattro; */
(setattrofunc) pyrna_struct_setattro, /* 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 | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
#ifdef USE_PYRNA_STRUCT_REFERENCE
(traverseproc) pyrna_struct_traverse, /* traverseproc tp_traverse; */
/* delete references to contained objects */
(inquiry)pyrna_struct_clear, /* inquiry tp_clear; */
#else
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
#endif /* !USE_PYRNA_STRUCT_REFERENCE */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
(richcmpfunc)pyrna_struct_richcmp, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
#ifdef USE_WEAKREFS
offsetof(BPy_StructRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
pyrna_struct_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
pyrna_struct_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; */
pyrna_struct_new, /* 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
};
/*-----------------------BPy_PropertyRNA method def------------------------------*/
PyTypeObject pyrna_prop_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_prop", /* tp_name */
sizeof(BPy_PropertyRNA), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor) pyrna_prop_dealloc, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
(reprfunc) pyrna_prop_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) */
(hashfunc) pyrna_prop_hash, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
(reprfunc) pyrna_prop_str, /* 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 | Py_TPFLAGS_BASETYPE, /* 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 ***/
(richcmpfunc)pyrna_prop_richcmp, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
#ifdef USE_WEAKREFS
offsetof(BPy_PropertyRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
pyrna_prop_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
pyrna_prop_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; */
pyrna_prop_new, /* 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
};
PyTypeObject pyrna_prop_array_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_prop_array", /* tp_name */
sizeof(BPy_PropertyArrayRNA), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)pyrna_prop_array_dealloc, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
NULL,/* subclassed */ /* tp_repr */
/* Method suites for standard classes */
&pyrna_prop_array_as_number, /* PyNumberMethods *tp_as_number; */
&pyrna_prop_array_as_sequence, /* PySequenceMethods *tp_as_sequence; */
&pyrna_prop_array_as_mapping, /* 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 */
(getattrofunc) pyrna_prop_array_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 | Py_TPFLAGS_BASETYPE, /* 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 ***/
#ifdef USE_WEAKREFS
offsetof(BPy_PropertyArrayRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** Added in release 2.2 ***/
/* Iterators */
(getiterfunc)pyrna_prop_array_iter, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
pyrna_prop_array_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
NULL /*pyrna_prop_getseters*/, /* struct PyGetSetDef *tp_getset; */
&pyrna_prop_Type, /* 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
};
PyTypeObject pyrna_prop_collection_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_prop_collection", /* tp_name */
sizeof(BPy_PropertyRNA), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)pyrna_prop_dealloc, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
NULL, /* subclassed */ /* tp_repr */
/* Method suites for standard classes */
&pyrna_prop_collection_as_number, /* PyNumberMethods *tp_as_number; */
&pyrna_prop_collection_as_sequence, /* PySequenceMethods *tp_as_sequence; */
&pyrna_prop_collection_as_mapping, /* 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 */
(getattrofunc) pyrna_prop_collection_getattro, /* getattrofunc tp_getattro; */
(setattrofunc) pyrna_prop_collection_setattro, /* 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 | Py_TPFLAGS_BASETYPE, /* 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 ***/
#ifdef USE_WEAKREFS
offsetof(BPy_PropertyRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** Added in release 2.2 ***/
/* Iterators */
(getiterfunc)pyrna_prop_collection_iter, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
pyrna_prop_collection_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
NULL /*pyrna_prop_getseters*/, /* struct PyGetSetDef *tp_getset; */
&pyrna_prop_Type, /* 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
};
/* only for add/remove/move methods */
static PyTypeObject pyrna_prop_collection_idprop_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_prop_collection_idprop", /* tp_name */
sizeof(BPy_PropertyRNA), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)pyrna_prop_dealloc, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
NULL, /* subclassed */ /* 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 */
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 | Py_TPFLAGS_BASETYPE, /* 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 ***/
#ifdef USE_WEAKREFS
offsetof(BPy_PropertyRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
pyrna_prop_collection_idprop_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
NULL /*pyrna_prop_getseters*/, /* struct PyGetSetDef *tp_getset; */
&pyrna_prop_collection_Type, /* 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
};
/*-----------------------BPy_PropertyRNA method def------------------------------*/
PyTypeObject pyrna_func_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_func", /* tp_name */
sizeof(BPy_FunctionRNA), /* 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) pyrna_func_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_func_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 ***/
#ifdef USE_WEAKREFS
offsetof(BPy_PropertyRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** 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
};
#ifdef USE_PYRNA_ITER
/* --- collection iterator: start --- */
/* wrap rna collection iterator functions */
/*
* RNA_property_collection_begin(...)
* RNA_property_collection_next(...)
* RNA_property_collection_end(...)
*/
static void pyrna_prop_collection_iter_dealloc(BPy_PropertyCollectionIterRNA *self);
static PyObject *pyrna_prop_collection_iter_next(BPy_PropertyCollectionIterRNA *self);
PyTypeObject pyrna_prop_collection_iter_Type= {
PyVarObject_HEAD_INIT(NULL, 0)
"bpy_prop_collection_iter", /* tp_name */
sizeof(BPy_PropertyCollectionIterRNA), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
(destructor)pyrna_prop_collection_iter_dealloc, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */ /* DEPRECATED in python 3.0! */
NULL,/* subclassed */ /* 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 */
PyObject_GenericGetAttr, /* 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 ***/
#ifdef USE_WEAKREFS
offsetof(BPy_PropertyCollectionIterRNA, in_weakreflist), /* long tp_weaklistoffset; */
#else
0,
#endif
/*** Added in release 2.2 ***/
/* Iterators */
PyObject_SelfIter, /* getiterfunc tp_iter; */
(iternextfunc) pyrna_prop_collection_iter_next, /* 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
};
PyObject *pyrna_prop_collection_iter_CreatePyObject(PointerRNA *ptr, PropertyRNA *prop)
{
BPy_PropertyCollectionIterRNA *self= PyObject_New(BPy_PropertyCollectionIterRNA, &pyrna_prop_collection_iter_Type);
#ifdef USE_WEAKREFS
self->in_weakreflist= NULL;
#endif
RNA_property_collection_begin(ptr, prop, &self->iter);
return (PyObject *)self;
}
static PyObject *pyrna_prop_collection_iter(BPy_PropertyRNA *self)
{
return pyrna_prop_collection_iter_CreatePyObject(&self->ptr, self->prop);
}
static PyObject *pyrna_prop_collection_iter_next(BPy_PropertyCollectionIterRNA *self)
{
if(self->iter.valid == FALSE) {
PyErr_SetString(PyExc_StopIteration, "pyrna_prop_collection_iter stop");
return NULL;
}
else {
BPy_StructRNA *pyrna= (BPy_StructRNA *)pyrna_struct_CreatePyObject(&self->iter.ptr);
#ifdef USE_PYRNA_STRUCT_REFERENCE
if(pyrna) { /* unlikely but may fail */
if((PyObject *)pyrna != Py_None) {
/* hold a reference to the iterator since it may have
* allocated memory 'pyrna' needs. eg: introspecting dynamic enum's */
/* TODO, we could have an api call to know if this is needed since most collections don't */
pyrna_struct_reference_set(pyrna, (PyObject *)self);
}
}
#endif /* !USE_PYRNA_STRUCT_REFERENCE */
RNA_property_collection_next(&self->iter);
return (PyObject *)pyrna;
}
}
static void pyrna_prop_collection_iter_dealloc(BPy_PropertyCollectionIterRNA *self)
{
#ifdef USE_WEAKREFS
if (self->in_weakreflist != NULL) {
PyObject_ClearWeakRefs((PyObject *)self);
}
#endif
RNA_property_collection_end(&self->iter);
PyObject_DEL(self);
}
/* --- collection iterator: end --- */
#endif /* !USE_PYRNA_ITER */
static void pyrna_subtype_set_rna(PyObject *newclass, StructRNA *srna)
{
PointerRNA ptr;
PyObject *item;
Py_INCREF(newclass);
if (RNA_struct_py_type_get(srna))
PyC_ObSpit("RNA WAS SET - ", RNA_struct_py_type_get(srna));
Py_XDECREF(((PyObject *)RNA_struct_py_type_get(srna)));
RNA_struct_py_type_set(srna, (void *)newclass); /* Store for later use */
/* Not 100% needed but useful,
* having an instance within a type looks wrong however this instance IS an rna type */
/* python deals with the circular ref */
RNA_pointer_create(NULL, &RNA_Struct, srna, &ptr);
item= pyrna_struct_CreatePyObject(&ptr);
/* note, must set the class not the __dict__ else the internal slots are not updated correctly */
PyObject_SetAttr(newclass, bpy_intern_str_bl_rna, item);
Py_DECREF(item);
/* done with rna instance */
}
static PyObject* pyrna_srna_Subtype(StructRNA *srna);
/* return a borrowed reference */
static PyObject* pyrna_srna_PyBase(StructRNA *srna) //, PyObject *bpy_types_dict)
{
/* Assume RNA_struct_py_type_get(srna) was already checked */
StructRNA *base;
PyObject *py_base= NULL;
/* get the base type */
base= RNA_struct_base(srna);
if(base && base != srna) {
/*/printf("debug subtype %s %p\n", RNA_struct_identifier(srna), srna); */
py_base= pyrna_srna_Subtype(base); //, bpy_types_dict);
Py_DECREF(py_base); /* srna owns, this is only to pass as an arg */
}
if(py_base==NULL) {
py_base= (PyObject *)&pyrna_struct_Type;
}
return py_base;
}
/* check if we have a native python subclass, use it when it exists
* return a borrowed reference */
static PyObject *bpy_types_dict= NULL;
static PyObject* pyrna_srna_ExternalType(StructRNA *srna)
{
const char *idname= RNA_struct_identifier(srna);
PyObject *newclass;
if(bpy_types_dict==NULL) {
PyObject *bpy_types= PyImport_ImportModuleLevel((char *)"bpy_types", NULL, NULL, NULL, 0);
if(bpy_types==NULL) {
PyErr_Print();
PyErr_Clear();
fprintf(stderr, "pyrna_srna_ExternalType: failed to find 'bpy_types' module\n");
return NULL;
}
bpy_types_dict= PyModule_GetDict(bpy_types); // borrow
Py_DECREF(bpy_types); // fairly safe to assume the dict is kept
}
newclass= PyDict_GetItemString(bpy_types_dict, idname);
/* sanity check, could skip this unless in debug mode */
if(newclass) {
PyObject *base_compare= pyrna_srna_PyBase(srna);
//PyObject *slots= PyObject_GetAttrString(newclass, "__slots__"); // cant do this because it gets superclasses values!
//PyObject *bases= PyObject_GetAttrString(newclass, "__bases__"); // can do this but faster not to.
PyObject *bases= ((PyTypeObject *)newclass)->tp_bases;
PyObject *slots= PyDict_GetItem(((PyTypeObject *)newclass)->tp_dict, bpy_intern_str___slots__);
if(slots==NULL) {
fprintf(stderr, "pyrna_srna_ExternalType: expected class '%s' to have __slots__ defined\n\nSee bpy_types.py\n", idname);
newclass= NULL;
}
else if(PyTuple_GET_SIZE(bases)) {
PyObject *base= PyTuple_GET_ITEM(bases, 0);
if(base_compare != base) {
fprintf(stderr, "pyrna_srna_ExternalType: incorrect subclassing of SRNA '%s'\nSee bpy_types.py\n", idname);
PyC_ObSpit("Expected! ", base_compare);
newclass= NULL;
}
else {
if(G.f & G_DEBUG)
fprintf(stderr, "SRNA Subclassed: '%s'\n", idname);
}
}
}
return newclass;
}
static PyObject* pyrna_srna_Subtype(StructRNA *srna)
{
PyObject *newclass= NULL;
/* stupid/simple case */
if (srna == NULL) {
newclass= NULL; /* Nothing to do */
} /* the class may have already been declared & allocated */
else if ((newclass= RNA_struct_py_type_get(srna))) {
Py_INCREF(newclass);
} /* check if bpy_types.py module has the class defined in it */
else if ((newclass= pyrna_srna_ExternalType(srna))) {
pyrna_subtype_set_rna(newclass, srna);
Py_INCREF(newclass);
} /* create a new class instance with the C api
* mainly for the purposing of matching the C/rna type hierarchy */
else {
/* subclass equivalents
- class myClass(myBase):
some='value' # or ...
- myClass= type(name='myClass', bases=(myBase,), dict={'__module__':'bpy.types'})
*/
/* Assume RNA_struct_py_type_get(srna) was already checked */
PyObject *py_base= pyrna_srna_PyBase(srna);
PyObject *metaclass;
const char *idname= RNA_struct_identifier(srna);
/* remove __doc__ for now */
// const char *descr= RNA_struct_ui_description(srna);
// if(!descr) descr= "(no docs)";
// "__doc__", descr
if(RNA_struct_idprops_check(srna) && !PyObject_IsSubclass(py_base, (PyObject *)&pyrna_struct_meta_idprop_Type)) {
metaclass= (PyObject *)&pyrna_struct_meta_idprop_Type;
}
else {
metaclass= (PyObject *)&PyType_Type;
}
/* always use O not N when calling, N causes refcount errors */
newclass= PyObject_CallFunction(metaclass, (char *)"s(O){sss()}", idname, py_base, "__module__","bpy.types", "__slots__");
/* newclass will now have 2 ref's, ???, probably 1 is internal since decrefing here segfaults */
/* PyC_ObSpit("new class ref", newclass); */
if (newclass) {
/* srna owns one, and the other is owned by the caller */
pyrna_subtype_set_rna(newclass, srna);
// XXX, adding this back segfaults blender on load.
// Py_DECREF(newclass); /* let srna own */
}
else {
/* this should not happen */
printf("Error registering '%s'\n", idname);
PyErr_Print();
PyErr_Clear();
}
}
return newclass;
}
/* use for subtyping so we know which srna is used for a PointerRNA */
static StructRNA *srna_from_ptr(PointerRNA *ptr)
{
if(ptr->type == &RNA_Struct) {
return ptr->data;
}
else {
return ptr->type;
}
}
/* always returns a new ref, be sure to decref when done */
static PyObject* pyrna_struct_Subtype(PointerRNA *ptr)
{
return pyrna_srna_Subtype(srna_from_ptr(ptr));
}
/*-----------------------CreatePyObject---------------------------------*/
PyObject *pyrna_struct_CreatePyObject(PointerRNA *ptr)
{
BPy_StructRNA *pyrna= NULL;
/* note: don't rely on this to return None since NULL data with a valid type can often crash */
if (ptr->data==NULL && ptr->type==NULL) { /* Operator RNA has NULL data */
Py_RETURN_NONE;
}
else {
PyTypeObject *tp= (PyTypeObject *)pyrna_struct_Subtype(ptr);
if (tp) {
pyrna= (BPy_StructRNA *) tp->tp_alloc(tp, 0);
Py_DECREF(tp); /* srna owns, cant hold a ref */
}
else {
fprintf(stderr, "Could not make type\n");
pyrna= (BPy_StructRNA *) PyObject_GC_New(BPy_StructRNA, &pyrna_struct_Type);
#ifdef USE_WEAKREFS
pyrna->in_weakreflist= NULL;
#endif
}
}
if(pyrna == NULL) {
PyErr_SetString(PyExc_MemoryError, "couldn't create bpy_struct object");
return NULL;
}
pyrna->ptr= *ptr;
pyrna->freeptr= FALSE;
#ifdef USE_PYRNA_STRUCT_REFERENCE
pyrna->reference= NULL;
#endif
// PyC_ObSpit("NewStructRNA: ", (PyObject *)pyrna);
#ifdef USE_PYRNA_INVALIDATE_WEAKREF
if(ptr->id.data) {
id_weakref_pool_add(ptr->id.data, (BPy_DummyPointerRNA *)pyrna);
}
#endif
return (PyObject *)pyrna;
}
PyObject *pyrna_prop_CreatePyObject(PointerRNA *ptr, PropertyRNA *prop)
{
BPy_PropertyRNA *pyrna;
if (RNA_property_array_check(ptr, prop) == 0) {
PyTypeObject *type;
if (RNA_property_type(prop) != PROP_COLLECTION) {
type= &pyrna_prop_Type;
}
else {
if((RNA_property_flag(prop) & PROP_IDPROPERTY) == 0) {
type= &pyrna_prop_collection_Type;
}
else {
type= &pyrna_prop_collection_idprop_Type;
}
}
pyrna= (BPy_PropertyRNA *) PyObject_NEW(BPy_PropertyRNA, type);
#ifdef USE_WEAKREFS
pyrna->in_weakreflist= NULL;
#endif
}
else {
pyrna= (BPy_PropertyRNA *) PyObject_NEW(BPy_PropertyArrayRNA, &pyrna_prop_array_Type);
((BPy_PropertyArrayRNA *)pyrna)->arraydim= 0;
((BPy_PropertyArrayRNA *)pyrna)->arrayoffset= 0;
#ifdef USE_WEAKREFS
((BPy_PropertyArrayRNA *)pyrna)->in_weakreflist= NULL;
#endif
}
if(pyrna == NULL) {
PyErr_SetString(PyExc_MemoryError, "couldn't create BPy_rna object");
return NULL;
}
pyrna->ptr= *ptr;
pyrna->prop= prop;
#ifdef USE_PYRNA_INVALIDATE_WEAKREF
if(ptr->id.data) {
id_weakref_pool_add(ptr->id.data, (BPy_DummyPointerRNA *)pyrna);
}
#endif
return (PyObject *)pyrna;
}
void BPY_rna_init(void)
{
#ifdef USE_MATHUTILS // register mathutils callbacks, ok to run more then once.
mathutils_rna_array_cb_index= Mathutils_RegisterCallback(&mathutils_rna_array_cb);
mathutils_rna_matrix_cb_index= Mathutils_RegisterCallback(&mathutils_rna_matrix_cb);
#endif
/* metaclass */
pyrna_struct_meta_idprop_Type.tp_base= &PyType_Type;
if(PyType_Ready(&pyrna_struct_meta_idprop_Type) < 0)
return;
if(PyType_Ready(&pyrna_struct_Type) < 0)
return;
if(PyType_Ready(&pyrna_prop_Type) < 0)
return;
if(PyType_Ready(&pyrna_prop_array_Type) < 0)
return;
if(PyType_Ready(&pyrna_prop_collection_Type) < 0)
return;
if(PyType_Ready(&pyrna_prop_collection_idprop_Type) < 0)
return;
if(PyType_Ready(&pyrna_func_Type) < 0)
return;
#ifdef USE_PYRNA_ITER
if(PyType_Ready(&pyrna_prop_collection_iter_Type) < 0)
return;
#endif
}
/* bpy.data from python */
static PointerRNA *rna_module_ptr= NULL;
PyObject *BPY_rna_module(void)
{
BPy_StructRNA *pyrna;
PointerRNA ptr;
/* for now, return the base RNA type rather than a real module */
RNA_main_pointer_create(G.main, &ptr);
pyrna= (BPy_StructRNA *)pyrna_struct_CreatePyObject(&ptr);
rna_module_ptr= &pyrna->ptr;
return (PyObject *)pyrna;
}
void BPY_update_rna_module(void)
{
RNA_main_pointer_create(G.main, rna_module_ptr);
}
#if 0
/* This is a way we can access docstrings for RNA types
* without having the datatypes in blender */
PyObject *BPY_rna_doc(void)
{
PointerRNA ptr;
/* for now, return the base RNA type rather than a real module */
RNA_blender_rna_pointer_create(&ptr);
return pyrna_struct_CreatePyObject(&ptr);
}
#endif
/* pyrna_basetype_* - BPy_BaseTypeRNA is just a BPy_PropertyRNA struct with a different type
* the self->ptr and self->prop are always set to the "structs" collection */
//---------------getattr--------------------------------------------
static PyObject *pyrna_basetype_getattro(BPy_BaseTypeRNA *self, PyObject *pyname)
{
PointerRNA newptr;
PyObject *ret;
const char *name= _PyUnicode_AsString(pyname);
if(name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy.types: __getattr__ must be a string");
ret= NULL;
}
else if (RNA_property_collection_lookup_string(&self->ptr, self->prop, name, &newptr)) {
ret= pyrna_struct_Subtype(&newptr);
if (ret==NULL) {
PyErr_Format(PyExc_RuntimeError,
"bpy.types.%.200s subtype could not be generated, this is a bug!",
_PyUnicode_AsString(pyname));
}
}
else {
#if 0
PyErr_Format(PyExc_AttributeError,
"bpy.types.%.200s RNA_Struct does not exist",
_PyUnicode_AsString(pyname));
return NULL;
#endif
/* The error raised here will be displayed */
ret= PyObject_GenericGetAttr((PyObject *)self, pyname);
}
return ret;
}
static PyObject *pyrna_basetype_dir(BPy_BaseTypeRNA *self);
static PyObject *pyrna_register_class(PyObject *self, PyObject *py_class);
static PyObject *pyrna_unregister_class(PyObject *self, PyObject *py_class);
static struct PyMethodDef pyrna_basetype_methods[]= {
{"__dir__", (PyCFunction)pyrna_basetype_dir, METH_NOARGS, ""},
{NULL, NULL, 0, NULL}
};
static PyObject *pyrna_basetype_dir(BPy_BaseTypeRNA *self)
{
PyObject *list;
#if 0
PyObject *name;
PyMethodDef *meth;
#endif
list= pyrna_prop_collection_keys(self); /* like calling structs.keys(), avoids looping here */
#if 0 /* for now only contains __dir__ */
for(meth=pyrna_basetype_methods; meth->ml_name; meth++) {
name= PyUnicode_FromString(meth->ml_name);
PyList_Append(list, name);
Py_DECREF(name);
}
#endif
return list;
}
static PyTypeObject pyrna_basetype_Type= BLANK_PYTHON_TYPE;
PyObject *BPY_rna_types(void)
{
BPy_BaseTypeRNA *self;
if ((pyrna_basetype_Type.tp_flags & Py_TPFLAGS_READY)==0) {
pyrna_basetype_Type.tp_name= "RNA_Types";
pyrna_basetype_Type.tp_basicsize= sizeof(BPy_BaseTypeRNA);
pyrna_basetype_Type.tp_getattro= (getattrofunc) pyrna_basetype_getattro;
pyrna_basetype_Type.tp_flags= Py_TPFLAGS_DEFAULT;
pyrna_basetype_Type.tp_methods= pyrna_basetype_methods;
if(PyType_Ready(&pyrna_basetype_Type) < 0)
return NULL;
}
self= (BPy_BaseTypeRNA *)PyObject_NEW(BPy_BaseTypeRNA, &pyrna_basetype_Type);
/* avoid doing this lookup for every getattr */
RNA_blender_rna_pointer_create(&self->ptr);
self->prop= RNA_struct_find_property(&self->ptr, "structs");
#ifdef USE_WEAKREFS
self->in_weakreflist= NULL;
#endif
return (PyObject *)self;
}
StructRNA *pyrna_struct_as_srna(PyObject *self, int parent, const char *error_prefix)
{
BPy_StructRNA *py_srna= NULL;
StructRNA *srna;
/* ack, PyObject_GetAttrString wont look up this types tp_dict first :/ */
if(PyType_Check(self)) {
py_srna= (BPy_StructRNA *)PyDict_GetItem(((PyTypeObject *)self)->tp_dict, bpy_intern_str_bl_rna);
Py_XINCREF(py_srna);
}
if(parent) {
/* be very careful with this since it will return a parent classes srna.
* modifying this will do confusing stuff! */
if(py_srna==NULL)
py_srna= (BPy_StructRNA*)PyObject_GetAttr(self, bpy_intern_str_bl_rna);
}
if(py_srna==NULL) {
PyErr_Format(PyExc_RuntimeError,
"%.200s, missing bl_rna attribute from '%.200s' instance (may not be registered)",
error_prefix, Py_TYPE(self)->tp_name);
return NULL;
}
if(!BPy_StructRNA_Check(py_srna)) {
PyErr_Format(PyExc_TypeError,
"%.200s, bl_rna attribute wrong type '%.200s' on '%.200s'' instance",
error_prefix, Py_TYPE(py_srna)->tp_name,
Py_TYPE(self)->tp_name);
Py_DECREF(py_srna);
return NULL;
}
if(py_srna->ptr.type != &RNA_Struct) {
PyErr_Format(PyExc_TypeError,
"%.200s, bl_rna attribute not a RNA_Struct, on '%.200s'' instance",
error_prefix, Py_TYPE(self)->tp_name);
Py_DECREF(py_srna);
return NULL;
}
srna= py_srna->ptr.data;
Py_DECREF(py_srna);
return srna;
}
/* Orphan functions, not sure where they should go */
/* get the srna for methods attached to types */
/*
* Caller needs to raise error.*/
StructRNA *srna_from_self(PyObject *self, const char *error_prefix)
{
if(self==NULL) {
return NULL;
}
else if (PyCapsule_CheckExact(self)) {
return PyCapsule_GetPointer(self, NULL);
}
else if (PyType_Check(self)==0) {
return NULL;
}
else {
/* These cases above not errors, they just mean the type was not compatible
* After this any errors will be raised in the script */
PyObject *error_type, *error_value, *error_traceback;
StructRNA *srna;
PyErr_Fetch(&error_type, &error_value, &error_traceback);
PyErr_Clear();
srna= pyrna_struct_as_srna(self, 0, error_prefix);
if(!PyErr_Occurred()) {
PyErr_Restore(error_type, error_value, error_traceback);
}
return srna;
}
}
static int deferred_register_prop(StructRNA *srna, PyObject *key, PyObject *item)
{
/* We only care about results from C which
* are for sure types, save some time with error */
if(pyrna_is_deferred_prop(item)) {
PyObject *py_func, *py_kw, *py_srna_cobject, *py_ret;
if(PyArg_ParseTuple(item, "OO!", &py_func, &PyDict_Type, &py_kw)) {
PyObject *args_fake;
if(*_PyUnicode_AsString(key)=='_') {
PyErr_Format(PyExc_ValueError,
"bpy_struct \"%.200s\" registration error: "
"%.200s could not register because the property starts with an '_'\n",
RNA_struct_identifier(srna), _PyUnicode_AsString(key));
return -1;
}
py_srna_cobject= PyCapsule_New(srna, NULL, NULL);
/* not 100% nice :/, modifies the dict passed, should be ok */
PyDict_SetItem(py_kw, bpy_intern_str_attr, key);
args_fake= PyTuple_New(1);
PyTuple_SET_ITEM(args_fake, 0, py_srna_cobject);
py_ret= PyObject_Call(py_func, args_fake, py_kw);
Py_DECREF(args_fake); /* free's py_srna_cobject too */
if(py_ret) {
Py_DECREF(py_ret);
}
else {
PyErr_Print();
PyErr_Clear();
// PyC_LineSpit();
PyErr_Format(PyExc_ValueError,
"bpy_struct \"%.200s\" registration error: "
"%.200s could not register\n",
RNA_struct_identifier(srna), _PyUnicode_AsString(key));
return -1;
}
}
else {
/* Since this is a class dict, ignore args that can't be passed */
/* for testing only */
/* PyC_ObSpit("Why doesn't this work??", item);
PyErr_Print(); */
PyErr_Clear();
}
}
return 0;
}
static int pyrna_deferred_register_props(StructRNA *srna, PyObject *class_dict)
{
PyObject *item, *key;
PyObject *order;
Py_ssize_t pos= 0;
int ret= 0;
/* in both cases PyDict_CheckExact(class_dict) will be true even
* though Operators have a metaclass dict namespace */
if((order= PyDict_GetItem(class_dict, bpy_intern_str_order)) && PyList_CheckExact(order)) {
for(pos= 0; pos<PyList_GET_SIZE(order); pos++) {
key= PyList_GET_ITEM(order, pos);
item= PyDict_GetItem(class_dict, key);
ret= deferred_register_prop(srna, key, item);
if(ret != 0)
break;
}
}
else {
while (PyDict_Next(class_dict, &pos, &key, &item)) {
ret= deferred_register_prop(srna, key, item);
if(ret != 0)
break;
}
}
return ret;
}
static int pyrna_deferred_register_class_recursive(StructRNA *srna, PyTypeObject *py_class)
{
const int len= PyTuple_GET_SIZE(py_class->tp_bases);
int i, ret;
/* first scan base classes for registerable properties */
for(i=0; i<len; i++) {
PyTypeObject *py_superclass= (PyTypeObject *)PyTuple_GET_ITEM(py_class->tp_bases, i);
/* the rules for using these base classes are not clear,
* 'object' is of course not worth looking into and
* existing subclasses of RNA would cause a lot more dictionary
* looping then is needed (SomeOperator would scan Operator.__dict__)
* which is harmless but not at all useful.
*
* So only scan base classes which are not subclasses if blender types.
* This best fits having 'mix-in' classes for operators and render engines.
* */
if( py_superclass != &PyBaseObject_Type &&
!PyObject_IsSubclass((PyObject *)py_superclass, (PyObject *)&pyrna_struct_Type)
) {
ret= pyrna_deferred_register_class_recursive(srna, py_superclass);
if(ret != 0) {
return ret;
}
}
}
/* not register out own properties */
return pyrna_deferred_register_props(srna, py_class->tp_dict); /* getattr(..., "__dict__") returns a proxy */
}
int pyrna_deferred_register_class(StructRNA *srna, PyObject *py_class)
{
/* Panels and Menus dont need this
* save some time and skip the checks here */
if(!RNA_struct_idprops_register_check(srna))
return 0;
return pyrna_deferred_register_class_recursive(srna, (PyTypeObject *)py_class);
}
/*-------------------- Type Registration ------------------------*/
static int rna_function_arg_count(FunctionRNA *func)
{
const ListBase *lb= RNA_function_defined_parameters(func);
PropertyRNA *parm;
Link *link;
int count= (RNA_function_flag(func) & FUNC_NO_SELF) ? 0 : 1;
for(link=lb->first; link; link=link->next) {
parm= (PropertyRNA*)link;
if(!(RNA_property_flag(parm) & PROP_OUTPUT))
count++;
}
return count;
}
static int bpy_class_validate(PointerRNA *dummyptr, void *py_data, int *have_function)
{
const ListBase *lb;
Link *link;
FunctionRNA *func;
PropertyRNA *prop;
StructRNA *srna= dummyptr->type;
const char *class_type= RNA_struct_identifier(srna);
PyObject *py_class= (PyObject*)py_data;
PyObject *base_class= RNA_struct_py_type_get(srna);
PyObject *item;
int i, flag, arg_count, func_arg_count;
const char *py_class_name= ((PyTypeObject *)py_class)->tp_name; // __name__
if (base_class) {
if (!PyObject_IsSubclass(py_class, base_class)) {
PyErr_Format(PyExc_TypeError,
"expected %.200s subclass of class \"%.200s\"",
class_type, py_class_name);
return -1;
}
}
/* verify callback functions */
lb= RNA_struct_type_functions(srna);
i= 0;
for(link=lb->first; link; link=link->next) {
func= (FunctionRNA*)link;
flag= RNA_function_flag(func);
if(!(flag & FUNC_REGISTER))
continue;
item= PyObject_GetAttrString(py_class, RNA_function_identifier(func));
have_function[i]= (item != NULL);
i++;
if (item==NULL) {
if ((flag & FUNC_REGISTER_OPTIONAL)==0) {
PyErr_Format(PyExc_AttributeError,
"expected %.200s, %.200s class to have an \"%.200s\" attribute",
class_type, py_class_name,
RNA_function_identifier(func));
return -1;
}
PyErr_Clear();
}
else {
Py_DECREF(item); /* no need to keep a ref, the class owns it (technically we should keep a ref but...) */
if(flag & FUNC_NO_SELF) {
if (PyMethod_Check(item)==0) {
PyErr_Format(PyExc_TypeError,
"expected %.200s, %.200s class \"%.200s\" attribute to be a method, not a %.200s",
class_type, py_class_name, RNA_function_identifier(func), Py_TYPE(item)->tp_name);
return -1;
}
item= ((PyMethodObject *)item)->im_func;
}
else {
if (PyFunction_Check(item)==0) {
PyErr_Format(PyExc_TypeError,
"expected %.200s, %.200s class \"%.200s\" attribute to be a function, not a %.200s",
class_type, py_class_name, RNA_function_identifier(func), Py_TYPE(item)->tp_name);
return -1;
}
}
func_arg_count= rna_function_arg_count(func);
if (func_arg_count >= 0) { /* -1 if we dont care*/
arg_count= ((PyCodeObject *)PyFunction_GET_CODE(item))->co_argcount;
/* note, the number of args we check for and the number of args we give to
* @classmethods are different (quirk of python), this is why rna_function_arg_count() doesn't return the value -1*/
if(flag & FUNC_NO_SELF)
func_arg_count++;
if (arg_count != func_arg_count) {
PyErr_Format(PyExc_ValueError,
"expected %.200s, %.200s class \"%.200s\" function to have %d args, found %d",
class_type, py_class_name, RNA_function_identifier(func),
func_arg_count, arg_count);
return -1;
}
}
}
}
/* verify properties */
lb= RNA_struct_type_properties(srna);
for(link=lb->first; link; link=link->next) {
const char *identifier;
prop= (PropertyRNA*)link;
flag= RNA_property_flag(prop);
if(!(flag & PROP_REGISTER))
continue;
identifier= RNA_property_identifier(prop);
item= PyObject_GetAttrString(py_class, identifier);
if (item==NULL) {
/* Sneaky workaround to use the class name as the bl_idname */
#define BPY_REPLACEMENT_STRING(rna_attr, py_attr) \
if(strcmp(identifier, rna_attr) == 0) { \
item= PyObject_GetAttrString(py_class, py_attr); \
if(item && item != Py_None) { \
if(pyrna_py_to_prop(dummyptr, prop, NULL, item, "validating class:") != 0) { \
Py_DECREF(item); \
return -1; \
} \
} \
Py_XDECREF(item); \
} \
BPY_REPLACEMENT_STRING("bl_idname", "__name__");
BPY_REPLACEMENT_STRING("bl_description", "__doc__");
#undef BPY_REPLACEMENT_STRING
if (item == NULL && (((flag & PROP_REGISTER_OPTIONAL) != PROP_REGISTER_OPTIONAL))) {
PyErr_Format(PyExc_AttributeError,
"expected %.200s, %.200s class to have an \"%.200s\" attribute",
class_type, py_class_name, identifier);
return -1;
}
PyErr_Clear();
}
else {
Py_DECREF(item); /* no need to keep a ref, the class owns it */
if(pyrna_py_to_prop(dummyptr, prop, NULL, item, "validating class:") != 0)
return -1;
}
}
return 0;
}
/* TODO - multiple return values like with rna functions */
static int bpy_class_call(bContext *C, PointerRNA *ptr, FunctionRNA *func, ParameterList *parms)
{
PyObject *args;
PyObject *ret= NULL, *py_srna= NULL, *py_class_instance= NULL, *parmitem;
PyTypeObject *py_class;
void **py_class_instance_store= NULL;
PropertyRNA *parm;
ParameterIterator iter;
PointerRNA funcptr;
int err= 0, i, flag, ret_len=0;
int is_static= RNA_function_flag(func) & FUNC_NO_SELF;
PropertyRNA *pret_single= NULL;
void *retdata_single= NULL;
PyGILState_STATE gilstate;
#ifdef USE_PEDANTIC_WRITE
const int is_operator= RNA_struct_is_a(ptr->type, &RNA_Operator);
const char *func_id= RNA_function_identifier(func);
/* testing, for correctness, not operator and not draw function */
const short is_readonly= strstr("draw", func_id) || /*strstr("render", func_id) ||*/ !is_operator;
#endif
py_class= RNA_struct_py_type_get(ptr->type);
/* rare case. can happen when registering subclasses */
if(py_class==NULL) {
fprintf(stderr, "bpy_class_call(): unable to get python class for rna struct '%.200s'\n", RNA_struct_identifier(ptr->type));
return -1;
}
/* XXX, this is needed because render engine calls without a context
* this should be supported at some point but at the moment its not! */
if(C==NULL)
C= BPy_GetContext();
bpy_context_set(C, &gilstate);
if (!is_static) {
/* some datatypes (operator, render engine) can store PyObjects for re-use */
if(ptr->data) {
void **instance = RNA_struct_instance(ptr);
if(instance) {
if(*instance) {
py_class_instance= *instance;
Py_INCREF(py_class_instance);
}
else {
/* store the instance here once its created */
py_class_instance_store= instance;
}
}
}
/* end exception */
if(py_class_instance==NULL)
py_srna= pyrna_struct_CreatePyObject(ptr);
if(py_class_instance) {
/* special case, instance is cached */
}
else if(py_srna == NULL) {
py_class_instance= NULL;
}
else if(py_srna == Py_None) { /* probably wont ever happen but possible */
Py_DECREF(py_srna);
py_class_instance= NULL;
}
else {
#if 1
/* Skip the code below and call init directly on the allocated 'py_srna'
* otherwise __init__() always needs to take a second self argument, see pyrna_struct_new().
* Although this is annoying to have to impliment a part of pythons typeobject.c:type_call().
*/
if(py_class->tp_init) {
#ifdef USE_PEDANTIC_WRITE
const int prev_write= rna_disallow_writes;
rna_disallow_writes= is_operator ? FALSE : TRUE; /* only operators can write on __init__ */
#endif
/* true in most cases even when the class its self doesn't define an __init__ function. */
args= PyTuple_New(0);
if (py_class->tp_init(py_srna, args, NULL) < 0) {
Py_DECREF(py_srna);
py_srna= NULL;
/* err set below */
}
Py_DECREF(args);
#ifdef USE_PEDANTIC_WRITE
rna_disallow_writes= prev_write;
#endif
}
py_class_instance= py_srna;
#else
const int prev_write= rna_disallow_writes;
rna_disallow_writes= TRUE;
/* 'almost' all the time calling the class isn't needed.
* We could just do...
py_class_instance= py_srna;
Py_INCREF(py_class_instance);
* This would work fine but means __init__ functions wouldnt run.
* none of blenders default scripts use __init__ but its nice to call it
* for general correctness. just to note why this is here when it could be safely removed.
*/
args= PyTuple_New(1);
PyTuple_SET_ITEM(args, 0, py_srna);
py_class_instance= PyObject_Call(py_class, args, NULL);
Py_DECREF(args);
rna_disallow_writes= prev_write;
#endif
if(py_class_instance == NULL) {
err= -1; /* so the error is not overridden below */
}
else if(py_class_instance_store) {
*py_class_instance_store= py_class_instance;
Py_INCREF(py_class_instance);
}
}
}
if (err != -1 && (is_static || py_class_instance)) { /* Initializing the class worked, now run its invoke function */
PyObject *item= PyObject_GetAttrString((PyObject *)py_class, RNA_function_identifier(func));
// flag= RNA_function_flag(func);
if(item) {
RNA_pointer_create(NULL, &RNA_Function, func, &funcptr);
args= PyTuple_New(rna_function_arg_count(func)); /* first arg is included in 'item' */
if(is_static) {
i= 0;
}
else {
PyTuple_SET_ITEM(args, 0, py_class_instance);
i= 1;
}
RNA_parameter_list_begin(parms, &iter);
/* parse function parameters */
for (; iter.valid; RNA_parameter_list_next(&iter)) {
parm= iter.parm;
flag= RNA_property_flag(parm);
/* only useful for single argument returns, we'll need another list loop for multiple */
if (flag & PROP_OUTPUT) {
ret_len++;
if (pret_single==NULL) {
pret_single= parm;
retdata_single= iter.data;
}
continue;
}
parmitem= pyrna_param_to_py(&funcptr, parm, iter.data);
PyTuple_SET_ITEM(args, i, parmitem);
i++;
}
#ifdef USE_PEDANTIC_WRITE
rna_disallow_writes= is_readonly ? TRUE:FALSE;
#endif
/* *** Main Caller *** */
ret= PyObject_Call(item, args, NULL);
/* *** Done Calling *** */
#ifdef USE_PEDANTIC_WRITE
rna_disallow_writes= FALSE;
#endif
RNA_parameter_list_end(&iter);
Py_DECREF(item);
Py_DECREF(args);
}
else {
PyErr_Print();
PyErr_Clear();
PyErr_Format(PyExc_TypeError,
"could not find function %.200s in %.200s to execute callback",
RNA_function_identifier(func), RNA_struct_identifier(ptr->type));
err= -1;
}
}
else {
/* the error may be already set if the class instance couldn't be created */
if(err != -1) {
PyErr_Format(PyExc_RuntimeError,
"could not create instance of %.200s to call callback function %.200s",
RNA_struct_identifier(ptr->type), RNA_function_identifier(func));
err= -1;
}
}
if (ret == NULL) { /* covers py_class_instance failing too */
err= -1;
}
else {
if(ret_len==0 && ret != Py_None) {
PyErr_Format(PyExc_RuntimeError,
"expected class %.200s, function %.200s to return None, not %.200s",
RNA_struct_identifier(ptr->type), RNA_function_identifier(func),
Py_TYPE(ret)->tp_name);
err= -1;
}
else if(ret_len==1) {
err= pyrna_py_to_prop(&funcptr, pret_single, retdata_single, ret, "calling class function:");
}
else if (ret_len > 1) {
if(PyTuple_Check(ret)==0) {
PyErr_Format(PyExc_RuntimeError,
"expected class %.200s, function %.200s to return a tuple of size %d, not %.200s",
RNA_struct_identifier(ptr->type), RNA_function_identifier(func),
ret_len, Py_TYPE(ret)->tp_name);
err= -1;
}
else if (PyTuple_GET_SIZE(ret) != ret_len) {
PyErr_Format(PyExc_RuntimeError,
"class %.200s, function %.200s to returned %d items, expected %d",
RNA_struct_identifier(ptr->type), RNA_function_identifier(func),
PyTuple_GET_SIZE(ret), ret_len);
err= -1;
}
else {
RNA_parameter_list_begin(parms, &iter);
/* parse function parameters */
for (i= 0; iter.valid; RNA_parameter_list_next(&iter)) {
parm= iter.parm;
flag= RNA_property_flag(parm);
/* only useful for single argument returns, we'll need another list loop for multiple */
if (flag & PROP_OUTPUT) {
err= pyrna_py_to_prop(&funcptr, parm, iter.data, PyTuple_GET_ITEM(ret, i++), "calling class function:");
if(err)
break;
}
}
RNA_parameter_list_end(&iter);
}
}
Py_DECREF(ret);
}
if(err != 0) {
ReportList *reports;
/* alert the user, else they wont know unless they see the console. */
if (!is_static && ptr->data && RNA_struct_is_a(ptr->type, &RNA_Operator)) {
wmOperator *op= ptr->data;
reports= op->reports;
}
else {
/* wont alert users but they can view in 'info' space */
reports= CTX_wm_reports(C);
}
BPy_errors_to_report(reports);
/* also print in the console for py */
PyErr_Print();
PyErr_Clear();
}
bpy_context_clear(C, &gilstate);
return err;
}
static void bpy_class_free(void *pyob_ptr)
{
PyObject *self= (PyObject *)pyob_ptr;
PyGILState_STATE gilstate;
gilstate= PyGILState_Ensure();
// breaks re-registering classes
// PyDict_Clear(((PyTypeObject*)self)->tp_dict);
//
// remove the rna attribute instead.
PyDict_DelItem(((PyTypeObject *)self)->tp_dict, bpy_intern_str_bl_rna);
if(PyErr_Occurred())
PyErr_Clear();
#if 0 /* needs further investigation, too annoying so quiet for now */
if(G.f&G_DEBUG) {
if(self->ob_refcnt > 1) {
PyC_ObSpit("zombie class - ref should be 1", self);
}
}
#endif
Py_DECREF((PyObject *)pyob_ptr);
PyGILState_Release(gilstate);
}
void pyrna_alloc_types(void)
{
PyGILState_STATE gilstate;
PointerRNA ptr;
PropertyRNA *prop;
gilstate= PyGILState_Ensure();
/* avoid doing this lookup for every getattr */
RNA_blender_rna_pointer_create(&ptr);
prop= RNA_struct_find_property(&ptr, "structs");
RNA_PROP_BEGIN(&ptr, itemptr, prop) {
PyObject *item= pyrna_struct_Subtype(&itemptr);
if(item == NULL) {
if(PyErr_Occurred()) {
PyErr_Print();
PyErr_Clear();
}
}
else {
Py_DECREF(item);
}
}
RNA_PROP_END;
PyGILState_Release(gilstate);
}
void pyrna_free_types(void)
{
PointerRNA ptr;
PropertyRNA *prop;
/* avoid doing this lookup for every getattr */
RNA_blender_rna_pointer_create(&ptr);
prop= RNA_struct_find_property(&ptr, "structs");
RNA_PROP_BEGIN(&ptr, itemptr, prop) {
StructRNA *srna= srna_from_ptr(&itemptr);
void *py_ptr= RNA_struct_py_type_get(srna);
if(py_ptr) {
#if 0 // XXX - should be able to do this but makes python crash on exit
bpy_class_free(py_ptr);
#endif
RNA_struct_py_type_set(srna, NULL);
}
}
RNA_PROP_END;
}
/* Note! MemLeak XXX
*
* There is currently a bug where moving registering a python class does
* not properly manage refcounts from the python class, since the srna owns
* the python class this should not be so tricky but changing the references as
* you'd expect when changing ownership crashes blender on exit so I had to comment out
* the decref. This is not so bad because the leak only happens when re-registering (hold F8)
* - Should still be fixed - Campbell
* */
PyDoc_STRVAR(pyrna_register_class_doc,
".. method:: register_class(cls)\n"
"\n"
" Register a subclass of a blender type in (:class:`Panel`,\n"
" :class:`Menu`, :class:`Header`, :class:`Operator`,\n"
" :class:`KeyingSetInfo`, :class:`RenderEngine`).\n"
"\n"
" If the class has a *register* class method it will be called\n"
" before registration.\n"
"\n"
" .. note::\n"
"\n"
" :exc:`ValueError` exception is raised if the class is not a\n"
" subclass of a registerable blender class.\n"
"\n"
);
PyMethodDef meth_bpy_register_class= {"register_class", pyrna_register_class, METH_O, pyrna_register_class_doc};
static PyObject *pyrna_register_class(PyObject *UNUSED(self), PyObject *py_class)
{
bContext *C= NULL;
ReportList reports;
StructRegisterFunc reg;
StructRNA *srna;
StructRNA *srna_new;
const char *identifier;
PyObject *py_cls_meth;
if(PyDict_GetItem(((PyTypeObject*)py_class)->tp_dict, bpy_intern_str_bl_rna)) {
PyErr_SetString(PyExc_AttributeError, "register_class(...): already registered as a subclass");
return NULL;
}
/* warning: gets parent classes srna, only for the register function */
srna= pyrna_struct_as_srna(py_class, 1, "register_class(...):");
if(srna==NULL)
return NULL;
/* fails in cases, cant use this check but would like to :| */
/*
if(RNA_struct_py_type_get(srna)) {
PyErr_Format(PyExc_ValueError,
"register_class(...): %.200s's parent class %.200s is already registered, this is not allowed",
((PyTypeObject*)py_class)->tp_name, RNA_struct_identifier(srna));
return NULL;
}
*/
/* check that we have a register callback for this type */
reg= RNA_struct_register(srna);
if(!reg) {
PyErr_Format(PyExc_ValueError,
"register_class(...): expected a subclass of a registerable "
"rna type (%.200s does not support registration)",
RNA_struct_identifier(srna));
return NULL;
}
/* get the context, so register callback can do necessary refreshes */
C= BPy_GetContext();
/* call the register callback with reports & identifier */
BKE_reports_init(&reports, RPT_STORE);
identifier= ((PyTypeObject*)py_class)->tp_name;
srna_new= reg(CTX_data_main(C), &reports, py_class, identifier, bpy_class_validate, bpy_class_call, bpy_class_free);
if(BPy_reports_to_error(&reports, PyExc_RuntimeError, TRUE) == -1)
return NULL;
/* python errors validating are not converted into reports so the check above will fail.
* the cause for returning NULL will be printed as an error */
if(srna_new == NULL)
return NULL;
pyrna_subtype_set_rna(py_class, srna_new); /* takes a ref to py_class */
/* old srna still references us, keep the check incase registering somehow can free it */
if(RNA_struct_py_type_get(srna)) {
RNA_struct_py_type_set(srna, NULL);
// Py_DECREF(py_class); // should be able to do this XXX since the old rna adds a new ref.
}
/* Can't use this because it returns a dict proxy
*
* item= PyObject_GetAttrString(py_class, "__dict__");
*/
if(pyrna_deferred_register_class(srna_new, py_class)!=0)
return NULL;
/* call classed register method () */
py_cls_meth= PyObject_GetAttr(py_class, bpy_intern_str_register);
if(py_cls_meth == NULL) {
PyErr_Clear();
}
else {
PyObject *ret= PyObject_CallObject(py_cls_meth, NULL);
if(ret) {
Py_DECREF(ret);
}
else {
return NULL;
}
}
Py_RETURN_NONE;
}
static int pyrna_srna_contains_pointer_prop_srna(StructRNA *srna_props, StructRNA *srna, const char **prop_identifier)
{
PropertyRNA *prop;
LinkData *link;
/* verify properties */
const ListBase *lb= RNA_struct_type_properties(srna);
for(link=lb->first; link; link=link->next) {
prop= (PropertyRNA*)link;
if(RNA_property_type(prop) == PROP_POINTER && !(RNA_property_flag(prop) & PROP_BUILTIN)) {
PointerRNA tptr;
RNA_pointer_create(NULL, &RNA_Struct, srna_props, &tptr);
if(RNA_property_pointer_type(&tptr, prop) == srna) {
*prop_identifier= RNA_property_identifier(prop);
return 1;
}
}
}
return 0;
}
PyDoc_STRVAR(pyrna_unregister_class_doc,
".. method:: unregister_class(cls)\n"
"\n"
" Unload the python class from blender.\n"
"\n"
" If the class has an *unregister* class method it will be called\n"
" before unregistering.\n"
);
PyMethodDef meth_bpy_unregister_class= {"unregister_class", pyrna_unregister_class, METH_O, pyrna_unregister_class_doc};
static PyObject *pyrna_unregister_class(PyObject *UNUSED(self), PyObject *py_class)
{
bContext *C= NULL;
StructUnregisterFunc unreg;
StructRNA *srna;
PyObject *py_cls_meth;
/*if(PyDict_GetItem(((PyTypeObject*)py_class)->tp_dict, bpy_intern_str_bl_rna)==NULL) {
PWM_cursor_wait(0);
PyErr_SetString(PyExc_ValueError, "unregister_class(): not a registered as a subclass");
return NULL;
}*/
srna= pyrna_struct_as_srna(py_class, 0, "unregister_class(...):");
if(srna==NULL)
return NULL;
/* check that we have a unregister callback for this type */
unreg= RNA_struct_unregister(srna);
if(!unreg) {
PyErr_SetString(PyExc_ValueError, "unregister_class(...): expected a Type subclassed from a registerable rna type (no unregister supported)");
return NULL;
}
/* call classed unregister method */
py_cls_meth= PyObject_GetAttr(py_class, bpy_intern_str_unregister);
if(py_cls_meth == NULL) {
PyErr_Clear();
}
else {
PyObject *ret= PyObject_CallObject(py_cls_meth, NULL);
if(ret) {
Py_DECREF(ret);
}
else {
return NULL;
}
}
/* should happen all the time but very slow */
if(G.f & G_DEBUG) {
/* remove all properties using this class */
StructRNA *srna_iter;
PointerRNA ptr_rna;
PropertyRNA *prop_rna;
const char *prop_identifier= NULL;
RNA_blender_rna_pointer_create(&ptr_rna);
prop_rna= RNA_struct_find_property(&ptr_rna, "structs");
/* loop over all structs */
RNA_PROP_BEGIN(&ptr_rna, itemptr, prop_rna) {
srna_iter= itemptr.data;
if(pyrna_srna_contains_pointer_prop_srna(srna_iter, srna, &prop_identifier)) {
break;
}
}
RNA_PROP_END;
if(prop_identifier) {
PyErr_Format(PyExc_RuntimeError,
"unregister_class(...): can't unregister %s because %s.%s pointer property is using this",
RNA_struct_identifier(srna), RNA_struct_identifier(srna_iter), prop_identifier);
return NULL;
}
}
/* get the context, so register callback can do necessary refreshes */
C= BPy_GetContext();
/* call unregister */
unreg(CTX_data_main(C), srna); /* calls bpy_class_free, this decref's py_class */
PyDict_DelItem(((PyTypeObject *)py_class)->tp_dict, bpy_intern_str_bl_rna);
if(PyErr_Occurred())
PyErr_Clear(); //return NULL;
Py_RETURN_NONE;
}
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