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|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* Contributor(s): Joseph Eagar, Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/python/generic/idprop_py_api.c
* \ingroup pygen
*/
#include <Python.h>
#include "idprop_py_api.h"
#include "MEM_guardedalloc.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "BKE_idprop.h"
#define USE_STRING_COERCE
#ifdef USE_STRING_COERCE
#include "py_capi_utils.h"
#endif
extern PyTypeObject BPy_IDArray_Type;
extern PyTypeObject BPy_IDGroup_Iter_Type;
extern PyTypeObject BPy_IDGroup_Type;
/*********************** ID Property Main Wrapper Stuff ***************/
/* ----------------------------------------------------------------------------
* static conversion functions to avoid duplicate code, no type checking.
*/
static PyObject *idprop_py_from_idp_string(IDProperty *prop)
{
if (prop->subtype == IDP_STRING_SUB_BYTE) {
return PyBytes_FromStringAndSize(IDP_Array(prop), prop->len);
}
else {
#ifdef USE_STRING_COERCE
return PyC_UnicodeFromByteAndSize(IDP_Array(prop), prop->len - 1);
#else
return PyUnicode_FromStringAndSize(IDP_Array(prop), prop->len - 1);
#endif
}
}
static PyObject *idprop_py_from_idp_int(IDProperty *prop)
{
return PyLong_FromLong((long)prop->data.val);
}
static PyObject *idprop_py_from_idp_float(IDProperty *prop)
{
return PyFloat_FromDouble((double)(*(float *)(&prop->data.val)));
}
static PyObject *idprop_py_from_idp_double(IDProperty *prop)
{
return PyFloat_FromDouble((*(double *)(&prop->data.val)));
}
static PyObject *idprop_py_from_idp_group(ID *id, IDProperty *prop, IDProperty *parent)
{
BPy_IDProperty *group = PyObject_New(BPy_IDProperty, &BPy_IDGroup_Type);
group->id = id;
group->prop = prop;
group->parent = parent; /* can be NULL */
return (PyObject*)group;
}
static PyObject *idprop_py_from_idp_array(ID *id, IDProperty *prop)
{
BPy_IDProperty *array = PyObject_New(BPy_IDProperty, &BPy_IDArray_Type);
array->id = id;
array->prop = prop;
return (PyObject*)array;
}
static PyObject *idprop_py_from_idp_idparray(ID *id, IDProperty *prop)
{
PyObject *seq = PyList_New(prop->len), *wrap;
IDProperty *array = IDP_IDPArray(prop);
int i;
if (!seq) {
PyErr_Format(PyExc_RuntimeError,
"%s: IDP_IDPARRAY: PyList_New(%d) failed",
__func__, prop->len);
return NULL;
}
for (i = 0; i < prop->len; i++) {
wrap = BPy_IDGroup_WrapData(id, array++, prop);
if (!wrap) /* BPy_IDGroup_MapDataToPy sets the error */
return NULL;
PyList_SET_ITEM(seq, i, wrap);
}
return seq;
}
/* -------------------------------------------------------------------------- */
/* use for both array and group */
static Py_hash_t BPy_IDGroup_hash(BPy_IDProperty *self)
{
return _Py_HashPointer(self->prop);
}
static PyObject *BPy_IDGroup_repr(BPy_IDProperty *self)
{
return PyUnicode_FromFormat("<bpy id property from \"%s\">", self->id->name);
}
PyObject *BPy_IDGroup_WrapData(ID *id, IDProperty *prop, IDProperty *parent)
{
switch (prop->type) {
case IDP_STRING: return idprop_py_from_idp_string(prop);
case IDP_INT: return idprop_py_from_idp_int(prop);
case IDP_FLOAT: return idprop_py_from_idp_float(prop);
case IDP_DOUBLE: return idprop_py_from_idp_double(prop);
case IDP_GROUP: return idprop_py_from_idp_group(id, prop, parent);
case IDP_ARRAY: return idprop_py_from_idp_array(id, prop);
case IDP_IDPARRAY: return idprop_py_from_idp_idparray(id, prop); /* this could be better a internal type */
default: Py_RETURN_NONE;
}
}
#if 0 /* UNUSED, currenly assignment overwrites into new properties, rather than setting in-place */
static int BPy_IDGroup_SetData(BPy_IDProperty *self, IDProperty *prop, PyObject *value)
{
switch (prop->type) {
case IDP_STRING:
{
char *st;
if (!PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError, "expected a string!");
return -1;
}
/* NOTE: if this code is enabled, bytes support needs to be added */
#ifdef USE_STRING_COERCE
{
int alloc_len;
PyObject *value_coerce = NULL;
st = (char *)PyC_UnicodeAsByte(value, &value_coerce);
alloc_len = strlen(st) + 1;
st = _PyUnicode_AsString(value);
IDP_ResizeArray(prop, alloc_len);
memcpy(IDP_Array(prop), st, alloc_len);
Py_XDECREF(value_coerce);
}
#else
st = _PyUnicode_AsString(value);
IDP_ResizeArray(prop, strlen(st)+1);
strcpy(IDP_Array(prop), st);
#endif
return 0;
}
case IDP_INT:
{
int ivalue = PyLong_AsSsize_t(value);
if (ivalue == -1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected an int type");
return -1;
}
prop->data.val = ivalue;
break;
}
case IDP_FLOAT:
{
float fvalue = (float)PyFloat_AsDouble(value);
if (fvalue == -1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float");
return -1;
}
*(float *)&self->prop->data.val = fvalue;
break;
}
case IDP_DOUBLE:
{
double dvalue = PyFloat_AsDouble(value);
if (dvalue == -1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float");
return -1;
}
*(double *)&self->prop->data.val = dvalue;
break;
}
default:
PyErr_SetString(PyExc_AttributeError, "attempt to set read-only attribute!");
return -1;
}
return 0;
}
#endif
static PyObject *BPy_IDGroup_GetName(BPy_IDProperty *self, void *UNUSED(closure))
{
return PyUnicode_FromString(self->prop->name);
}
static int BPy_IDGroup_SetName(BPy_IDProperty *self, PyObject *value, void *UNUSED(closure))
{
const char *name;
Py_ssize_t name_size;
if (!PyUnicode_Check(value)) {
PyErr_SetString(PyExc_TypeError, "expected a string!");
return -1;
}
name = _PyUnicode_AsStringAndSize(value, &name_size);
if (name_size > MAX_IDPROP_NAME) {
PyErr_SetString(PyExc_TypeError, "string length cannot exceed 63 characters!");
return -1;
}
memcpy(self->prop->name, name, name_size);
return 0;
}
#if 0
static PyObject *BPy_IDGroup_GetType(BPy_IDProperty *self)
{
return PyLong_FromSsize_t(self->prop->type);
}
#endif
static PyGetSetDef BPy_IDGroup_getseters[] = {
{(char *)"name", (getter)BPy_IDGroup_GetName, (setter)BPy_IDGroup_SetName, (char *)"The name of this Group.", NULL},
{NULL, NULL, NULL, NULL, NULL}
};
static Py_ssize_t BPy_IDGroup_Map_Len(BPy_IDProperty *self)
{
if (self->prop->type != IDP_GROUP) {
PyErr_SetString(PyExc_TypeError, "len() of unsized object");
return -1;
}
return self->prop->len;
}
static PyObject *BPy_IDGroup_Map_GetItem(BPy_IDProperty *self, PyObject *item)
{
IDProperty *idprop;
const char *name;
if (self->prop->type != IDP_GROUP) {
PyErr_SetString(PyExc_TypeError, "unsubscriptable object");
return NULL;
}
name = _PyUnicode_AsString(item);
if (name == NULL) {
PyErr_SetString(PyExc_TypeError, "only strings are allowed as keys of ID properties");
return NULL;
}
idprop = IDP_GetPropertyFromGroup(self->prop, name);
if (idprop == NULL) {
PyErr_SetString(PyExc_KeyError, "key not in subgroup dict");
return NULL;
}
return BPy_IDGroup_WrapData(self->id, idprop, self->prop);
}
/* returns NULL on success, error string on failure */
static int idp_sequence_type(PyObject *seq)
{
PyObject *item;
int type = IDP_INT;
Py_ssize_t i, len = PySequence_Size(seq);
for (i = 0; i < len; i++) {
item = PySequence_GetItem(seq, i);
if (PyFloat_Check(item)) {
if (type == IDP_IDPARRAY) { /* mixed dict/int */
Py_DECREF(item);
return -1;
}
type = IDP_DOUBLE;
}
else if (PyLong_Check(item)) {
if (type == IDP_IDPARRAY) { /* mixed dict/int */
Py_DECREF(item);
return -1;
}
}
else if (PyMapping_Check(item)) {
if (i != 0 && (type != IDP_IDPARRAY)) { /* mixed dict/int */
Py_DECREF(item);
return -1;
}
type = IDP_IDPARRAY;
}
else {
Py_XDECREF(item);
return -1;
}
Py_DECREF(item);
}
return type;
}
/* note: group can be a pointer array or a group.
* assume we already checked key is a string. */
const char *BPy_IDProperty_Map_ValidateAndCreate(PyObject *name_obj, IDProperty *group, PyObject *ob)
{
IDProperty *prop = NULL;
IDPropertyTemplate val = {0};
const char *name = "";
if (name_obj) {
Py_ssize_t name_size;
name = _PyUnicode_AsStringAndSize(name_obj, &name_size);
if (name_size > MAX_IDPROP_NAME) {
return "the length of IDProperty names is limited to 63 characters";
}
}
if (PyFloat_Check(ob)) {
val.d = PyFloat_AsDouble(ob);
prop = IDP_New(IDP_DOUBLE, &val, name);
}
else if (PyLong_Check(ob)) {
val.i = (int) PyLong_AsSsize_t(ob);
prop = IDP_New(IDP_INT, &val, name);
}
else if (PyUnicode_Check(ob)) {
#ifdef USE_STRING_COERCE
PyObject *value_coerce = NULL;
val.string.str = (char *)PyC_UnicodeAsByte(ob, &value_coerce);
val.string.subtype = IDP_STRING_SUB_UTF8;
prop = IDP_New(IDP_STRING, &val, name);
Py_XDECREF(value_coerce);
#else
val.str = _PyUnicode_AsString(ob);
prop = IDP_New(IDP_STRING, val, name);
#endif
}
else if (PyBytes_Check(ob)) {
val.string.str = PyBytes_AS_STRING(ob);
val.string.len = PyBytes_GET_SIZE(ob);
val.string.subtype = IDP_STRING_SUB_BYTE;
prop = IDP_New(IDP_STRING, &val, name);
//prop = IDP_NewString(PyBytes_AS_STRING(ob), name, PyBytes_GET_SIZE(ob));
//prop->subtype = IDP_STRING_SUB_BYTE;
}
else if (PySequence_Check(ob)) {
PyObject *item;
int i;
if ((val.array.type = idp_sequence_type(ob)) == -1)
return "only floats, ints and dicts are allowed in ID property arrays";
/* validate sequence and derive type.
* we assume IDP_INT unless we hit a float
* number; then we assume it's */
val.array.len = PySequence_Size(ob);
switch (val.array.type) {
case IDP_DOUBLE:
prop = IDP_New(IDP_ARRAY, &val, name);
for (i = 0; i < val.array.len; i++) {
item = PySequence_GetItem(ob, i);
((double *)IDP_Array(prop))[i] = (float)PyFloat_AsDouble(item);
Py_DECREF(item);
}
break;
case IDP_INT:
prop = IDP_New(IDP_ARRAY, &val, name);
for (i = 0; i < val.array.len; i++) {
item = PySequence_GetItem(ob, i);
((int *)IDP_Array(prop))[i] = (int)PyLong_AsSsize_t(item);
Py_DECREF(item);
}
break;
case IDP_IDPARRAY:
prop = IDP_NewIDPArray(name);
for (i = 0; i < val.array.len; i++) {
const char *error;
item = PySequence_GetItem(ob, i);
error = BPy_IDProperty_Map_ValidateAndCreate(NULL, prop, item);
Py_DECREF(item);
if (error)
return error;
}
break;
}
}
else if (PyMapping_Check(ob)) {
PyObject *keys, *vals, *key, *pval;
int i, len;
/*yay! we get into recursive stuff now!*/
keys = PyMapping_Keys(ob);
vals = PyMapping_Values(ob);
/* we allocate the group first; if we hit any invalid data,
* we can delete it easily enough.*/
prop = IDP_New(IDP_GROUP, &val, name);
len = PyMapping_Length(ob);
for (i = 0; i < len; i++) {
key = PySequence_GetItem(keys, i);
pval = PySequence_GetItem(vals, i);
if (!PyUnicode_Check(key)) {
IDP_FreeProperty(prop);
MEM_freeN(prop);
Py_XDECREF(keys);
Py_XDECREF(vals);
Py_XDECREF(key);
Py_XDECREF(pval);
return "invalid element in subgroup dict template!";
}
if (BPy_IDProperty_Map_ValidateAndCreate(key, prop, pval)) {
IDP_FreeProperty(prop);
MEM_freeN(prop);
Py_XDECREF(keys);
Py_XDECREF(vals);
Py_XDECREF(key);
Py_XDECREF(pval);
return "invalid element in subgroup dict template!";
}
Py_XDECREF(key);
Py_XDECREF(pval);
}
Py_XDECREF(keys);
Py_XDECREF(vals);
}
else return "invalid property value";
if (group->type == IDP_IDPARRAY) {
IDP_AppendArray(group, prop);
// IDP_FreeProperty(item); // IDP_AppendArray does a shallow copy (memcpy), only free memory
MEM_freeN(prop);
}
else {
IDP_ReplaceInGroup(group, prop);
}
return NULL;
}
int BPy_Wrap_SetMapItem(IDProperty *prop, PyObject *key, PyObject *val)
{
if (prop->type != IDP_GROUP) {
PyErr_SetString(PyExc_TypeError, "unsubscriptable object");
return -1;
}
if (val == NULL) { /* del idprop[key] */
IDProperty *pkey = IDP_GetPropertyFromGroup(prop, _PyUnicode_AsString(key));
if (pkey) {
IDP_RemFromGroup(prop, pkey);
IDP_FreeProperty(pkey);
MEM_freeN(pkey);
return 0;
}
else {
PyErr_SetString(PyExc_KeyError, "property not found in group");
return -1;
}
}
else {
const char *err;
if (!PyUnicode_Check(key)) {
PyErr_SetString(PyExc_TypeError, "only strings are allowed as subgroup keys");
return -1;
}
err = BPy_IDProperty_Map_ValidateAndCreate(key, prop, val);
if (err) {
PyErr_SetString(PyExc_KeyError, err);
return -1;
}
return 0;
}
}
static int BPy_IDGroup_Map_SetItem(BPy_IDProperty *self, PyObject *key, PyObject *val)
{
return BPy_Wrap_SetMapItem(self->prop, key, val);
}
static PyObject *BPy_IDGroup_iter(BPy_IDProperty *self)
{
BPy_IDGroup_Iter *iter = PyObject_New(BPy_IDGroup_Iter, &BPy_IDGroup_Iter_Type);
iter->group = self;
iter->mode = IDPROP_ITER_KEYS;
iter->cur = self->prop->data.group.first;
Py_XINCREF(iter);
return (PyObject*)iter;
}
/* for simple, non nested types this is the same as BPy_IDGroup_WrapData */
static PyObject *BPy_IDGroup_MapDataToPy(IDProperty *prop)
{
switch (prop->type) {
case IDP_STRING:
return idprop_py_from_idp_string(prop);
case IDP_INT:
return idprop_py_from_idp_int(prop);
case IDP_FLOAT:
return idprop_py_from_idp_float(prop);
case IDP_DOUBLE:
return idprop_py_from_idp_double(prop);
case IDP_ARRAY:
{
PyObject *seq = PyList_New(prop->len);
int i;
if (!seq) {
PyErr_Format(PyExc_RuntimeError,
"%s: IDP_ARRAY: PyList_New(%d) failed",
__func__, prop->len);
return NULL;
}
switch (prop->subtype) {
case IDP_FLOAT:
{
float *array = (float *)IDP_Array(prop);
for (i = 0; i < prop->len; i++) {
PyList_SET_ITEM(seq, i, PyFloat_FromDouble(array[i]));
}
break;
}
case IDP_DOUBLE:
{
double *array = (double *)IDP_Array(prop);
for (i = 0; i < prop->len; i++) {
PyList_SET_ITEM(seq, i, PyFloat_FromDouble(array[i]));
}
break;
}
case IDP_INT:
{
int *array = (int *)IDP_Array(prop);
for (i = 0; i < prop->len; i++) {
PyList_SET_ITEM(seq, i, PyLong_FromLong(array[i]));
}
break;
}
default:
PyErr_Format(PyExc_RuntimeError,
"%s: invalid/corrupt array type '%d'!",
__func__, prop->subtype);
Py_DECREF(seq);
return NULL;
}
return seq;
}
case IDP_IDPARRAY:
{
PyObject *seq = PyList_New(prop->len), *wrap;
IDProperty *array = IDP_IDPArray(prop);
int i;
if (!seq) {
PyErr_Format(PyExc_RuntimeError,
"%s: IDP_IDPARRAY: PyList_New(%d) failed",
__func__, prop->len);
return NULL;
}
for (i = 0; i < prop->len; i++) {
wrap = BPy_IDGroup_MapDataToPy(array++);
if (!wrap) /* BPy_IDGroup_MapDataToPy sets the error */
return NULL;
PyList_SET_ITEM(seq, i, wrap);
}
return seq;
}
case IDP_GROUP:
{
PyObject *dict = PyDict_New(), *wrap;
IDProperty *loop;
for (loop = prop->data.group.first; loop; loop = loop->next) {
wrap = BPy_IDGroup_MapDataToPy(loop);
if (!wrap) /* BPy_IDGroup_MapDataToPy sets the error */
return NULL;
PyDict_SetItemString(dict, loop->name, wrap);
Py_DECREF(wrap);
}
return dict;
}
}
PyErr_Format(PyExc_RuntimeError,
"%s ERROR: '%s' property exists with a bad type code '%d'!",
__func__, prop->name, prop->type);
return NULL;
}
static PyObject *BPy_IDGroup_Pop(BPy_IDProperty *self, PyObject *value)
{
IDProperty *idprop;
PyObject *pyform;
const char *name = _PyUnicode_AsString(value);
if (!name) {
PyErr_Format(PyExc_TypeError,
"pop expected at least a string argument, not %.200s",
Py_TYPE(value)->tp_name);
return NULL;
}
idprop = IDP_GetPropertyFromGroup(self->prop, name);
if (idprop) {
pyform = BPy_IDGroup_MapDataToPy(idprop);
if (!pyform) {
/* ok something bad happened with the pyobject,
* so don't remove the prop from the group. if pyform is
* NULL, then it already should have raised an exception.*/
return NULL;
}
IDP_RemFromGroup(self->prop, idprop);
return pyform;
}
PyErr_SetString(PyExc_KeyError, "item not in group");
return NULL;
}
static PyObject *BPy_IDGroup_IterItems(BPy_IDProperty *self)
{
BPy_IDGroup_Iter *iter = PyObject_New(BPy_IDGroup_Iter, &BPy_IDGroup_Iter_Type);
iter->group = self;
iter->mode = IDPROP_ITER_ITEMS;
iter->cur = self->prop->data.group.first;
Py_XINCREF(iter);
return (PyObject*)iter;
}
/* utility function */
static void BPy_IDGroup_CorrectListLen(IDProperty *prop, PyObject *seq, int len, const char *func)
{
int j;
printf("%s: ID Property Error found and corrected!\n", func);
/*fill rest of list with valid references to None*/
for (j = len; j < prop->len; j++) {
Py_INCREF(Py_None);
PyList_SET_ITEM(seq, j, Py_None);
}
/*set correct group length*/
prop->len = len;
}
PyObject *BPy_Wrap_GetKeys(IDProperty *prop)
{
PyObject *list = PyList_New(prop->len);
IDProperty *loop;
int i;
for (i = 0, loop = prop->data.group.first; loop && (i < prop->len); loop = loop->next, i++)
PyList_SET_ITEM(list, i, PyUnicode_FromString(loop->name));
/* if the id prop is corrupt, count the remaining */
for ( ; loop; loop = loop->next, i++) {
/* pass */
}
if (i != prop->len) { /* if the loop didnt finish, we know the length is wrong */
BPy_IDGroup_CorrectListLen(prop, list, i, __func__);
Py_DECREF(list); /*free the list*/
/*call self again*/
return BPy_Wrap_GetKeys(prop);
}
return list;
}
PyObject *BPy_Wrap_GetValues(ID *id, IDProperty *prop)
{
PyObject *list = PyList_New(prop->len);
IDProperty *loop;
int i;
for (i = 0, loop = prop->data.group.first; loop; loop = loop->next, i++) {
PyList_SET_ITEM(list, i, BPy_IDGroup_WrapData(id, loop, prop));
}
if (i != prop->len) {
BPy_IDGroup_CorrectListLen(prop, list, i, __func__);
Py_DECREF(list); /*free the list*/
/*call self again*/
return BPy_Wrap_GetValues(id, prop);
}
return list;
}
PyObject *BPy_Wrap_GetItems(ID *id, IDProperty *prop)
{
PyObject *seq = PyList_New(prop->len);
IDProperty *loop;
int i;
for (i = 0, loop = prop->data.group.first; loop; loop = loop->next, i++) {
PyObject *item = PyTuple_New(2);
PyTuple_SET_ITEM(item, 0, PyUnicode_FromString(loop->name));
PyTuple_SET_ITEM(item, 1, BPy_IDGroup_WrapData(id, loop, prop));
PyList_SET_ITEM(seq, i, item);
}
if (i != prop->len) {
BPy_IDGroup_CorrectListLen(prop, seq, i, __func__);
Py_DECREF(seq); /*free the list*/
/*call self again*/
return BPy_Wrap_GetItems(id, prop);
}
return seq;
}
static PyObject *BPy_IDGroup_GetKeys(BPy_IDProperty *self)
{
return BPy_Wrap_GetKeys(self->prop);
}
static PyObject *BPy_IDGroup_GetValues(BPy_IDProperty *self)
{
return BPy_Wrap_GetValues(self->id, self->prop);
}
static PyObject *BPy_IDGroup_GetItems(BPy_IDProperty *self)
{
return BPy_Wrap_GetItems(self->id, self->prop);
}
static int BPy_IDGroup_Contains(BPy_IDProperty *self, PyObject *value)
{
const char *name = _PyUnicode_AsString(value);
if (!name) {
PyErr_Format(PyExc_TypeError,
"expected a string, not a %.200s",
Py_TYPE(value)->tp_name);
return -1;
}
return IDP_GetPropertyFromGroup(self->prop, name) ? 1:0;
}
static PyObject *BPy_IDGroup_Update(BPy_IDProperty *self, PyObject *value)
{
PyObject *pkey, *pval;
Py_ssize_t i = 0;
if (!PyDict_Check(value)) {
PyErr_Format(PyExc_TypeError,
"expected a dict not a %.200s",
Py_TYPE(value)->tp_name);
return NULL;
}
while (PyDict_Next(value, &i, &pkey, &pval)) {
BPy_IDGroup_Map_SetItem(self, pkey, pval);
if (PyErr_Occurred()) return NULL;
}
Py_RETURN_NONE;
}
static PyObject *BPy_IDGroup_to_dict(BPy_IDProperty *self)
{
return BPy_IDGroup_MapDataToPy(self->prop);
}
/* Matches python dict.get(key, [default]) */
static PyObject *BPy_IDGroup_Get(BPy_IDProperty *self, PyObject *args)
{
IDProperty *idprop;
char *key;
PyObject *def = Py_None;
if (!PyArg_ParseTuple(args, "s|O:get", &key, &def))
return NULL;
idprop = IDP_GetPropertyFromGroup(self->prop, key);
if (idprop) {
PyObject *pyobj = BPy_IDGroup_WrapData(self->id, idprop, self->prop);
if (pyobj)
return pyobj;
}
Py_INCREF(def);
return def;
}
static struct PyMethodDef BPy_IDGroup_methods[] = {
{"pop", (PyCFunction)BPy_IDGroup_Pop, METH_O,
"pop an item from the group; raises KeyError if the item doesn't exist"},
{"iteritems", (PyCFunction)BPy_IDGroup_IterItems, METH_NOARGS,
"iterate through the items in the dict; behaves like dictionary method iteritems"},
{"keys", (PyCFunction)BPy_IDGroup_GetKeys, METH_NOARGS,
"get the keys associated with this group as a list of strings"},
{"values", (PyCFunction)BPy_IDGroup_GetValues, METH_NOARGS,
"get the values associated with this group"},
{"items", (PyCFunction)BPy_IDGroup_GetItems, METH_NOARGS,
"get the items associated with this group"},
{"update", (PyCFunction)BPy_IDGroup_Update, METH_O,
"updates the values in the group with the values of another or a dict"},
{"get", (PyCFunction)BPy_IDGroup_Get, METH_VARARGS,
"idprop.get(k[,d]) -> idprop[k] if k in idprop, else d. d defaults to None"},
{"to_dict", (PyCFunction)BPy_IDGroup_to_dict, METH_NOARGS,
"return a purely python version of the group"},
{NULL, NULL, 0, NULL}
};
static PySequenceMethods BPy_IDGroup_Seq = {
(lenfunc) BPy_IDGroup_Map_Len, /* lenfunc sq_length */
NULL, /* binaryfunc sq_concat */
NULL, /* ssizeargfunc sq_repeat */
NULL, /* ssizeargfunc sq_item */ /* TODO - setting this will allow PySequence_Check to return True */
NULL, /* intintargfunc ***was_sq_slice*** */
NULL, /* intobjargproc sq_ass_item */
NULL, /* ssizeobjargproc ***was_sq_ass_slice*** */
(objobjproc) BPy_IDGroup_Contains, /* objobjproc sq_contains */
NULL, /* binaryfunc sq_inplace_concat */
NULL, /* ssizeargfunc sq_inplace_repeat */
};
static PyMappingMethods BPy_IDGroup_Mapping = {
(lenfunc)BPy_IDGroup_Map_Len, /*inquiry mp_length */
(binaryfunc)BPy_IDGroup_Map_GetItem,/*binaryfunc mp_subscript */
(objobjargproc)BPy_IDGroup_Map_SetItem, /*objobjargproc mp_ass_subscript */
};
PyTypeObject BPy_IDGroup_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
/* For printing, in format "<module>.<name>" */
"Blender IDProperty", /* char *tp_name; */
sizeof(BPy_IDProperty), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
NULL, /* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* cmpfunc tp_compare; */
(reprfunc)BPy_IDGroup_repr, /* reprfunc tp_repr; */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
&BPy_IDGroup_Seq, /* PySequenceMethods *tp_as_sequence; */
&BPy_IDGroup_Mapping, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
(hashfunc)BPy_IDGroup_hash, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
NULL, /* getattrofunc tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
(getiterfunc)BPy_IDGroup_iter, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_IDGroup_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
BPy_IDGroup_getseters, /* struct PyGetSetDef *tp_getset; */
};
/********Array Wrapper********/
static PyTypeObject *idp_array_py_type(BPy_IDArray *self, short *is_double)
{
switch (self->prop->subtype) {
case IDP_FLOAT:
*is_double = 0;
return &PyFloat_Type;
case IDP_DOUBLE:
*is_double = 1;
return &PyFloat_Type;
case IDP_INT:
*is_double = 0;
return &PyLong_Type;
}
*is_double = 0;
return NULL;
}
static PyObject *BPy_IDArray_repr(BPy_IDArray *self)
{
return PyUnicode_FromFormat("<bpy id property array [%d]>", self->prop->len);
}
static PyObject *BPy_IDArray_GetType(BPy_IDArray *self)
{
switch (self->prop->subtype) {
case IDP_FLOAT: return PyUnicode_FromString("f");
case IDP_DOUBLE: return PyUnicode_FromString("d");
case IDP_INT: return PyUnicode_FromString("i");
}
PyErr_Format(PyExc_RuntimeError,
"%s: invalid/corrupt array type '%d'!",
__func__, self->prop->subtype);
return NULL;
}
static PyGetSetDef BPy_IDArray_getseters[] = {
/* matches pythons array.typecode */
{(char *)"typecode", (getter)BPy_IDArray_GetType, (setter)NULL, (char *)"The type of the data in the array, is an int.", NULL},
{NULL, NULL, NULL, NULL, NULL},
};
static PyObject *BPy_IDArray_to_list(BPy_IDArray *self)
{
return BPy_IDGroup_MapDataToPy(self->prop);
}
static PyMethodDef BPy_IDArray_methods[] = {
{"to_list", (PyCFunction)BPy_IDArray_to_list, METH_NOARGS,
"return the array as a list"},
{NULL, NULL, 0, NULL}
};
static int BPy_IDArray_Len(BPy_IDArray *self)
{
return self->prop->len;
}
static PyObject *BPy_IDArray_GetItem(BPy_IDArray *self, int index)
{
if (index < 0 || index >= self->prop->len) {
PyErr_SetString(PyExc_IndexError, "index out of range!");
return NULL;
}
switch (self->prop->subtype) {
case IDP_FLOAT:
return PyFloat_FromDouble(((float *)IDP_Array(self->prop))[index]);
case IDP_DOUBLE:
return PyFloat_FromDouble(((double *)IDP_Array(self->prop))[index]);
case IDP_INT:
return PyLong_FromLong((long)((int *)IDP_Array(self->prop))[index]);
}
PyErr_Format(PyExc_RuntimeError,
"%s: invalid/corrupt array type '%d'!",
__func__, self->prop->subtype);
return NULL;
}
static int BPy_IDArray_SetItem(BPy_IDArray *self, int index, PyObject *value)
{
int i;
float f;
double d;
if (index < 0 || index >= self->prop->len) {
PyErr_SetString(PyExc_RuntimeError, "index out of range!");
return -1;
}
switch (self->prop->subtype) {
case IDP_FLOAT:
f = (float)PyFloat_AsDouble(value);
if (f == -1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float");
return -1;
}
((float *)IDP_Array(self->prop))[index] = f;
break;
case IDP_DOUBLE:
d = PyFloat_AsDouble(value);
if (d == -1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float");
return -1;
}
((double *)IDP_Array(self->prop))[index] = d;
break;
case IDP_INT:
i = PyLong_AsSsize_t(value);
if (i == -1 && PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected an int type");
return -1;
}
((int *)IDP_Array(self->prop))[index] = i;
break;
}
return 0;
}
static PySequenceMethods BPy_IDArray_Seq = {
(lenfunc) BPy_IDArray_Len, /* inquiry sq_length */
NULL, /* binaryfunc sq_concat */
NULL, /* intargfunc sq_repeat */
(ssizeargfunc)BPy_IDArray_GetItem, /* intargfunc sq_item */
NULL, /* intintargfunc sq_slice */
(ssizeobjargproc)BPy_IDArray_SetItem,/* intobjargproc sq_ass_item */
NULL, /* intintobjargproc sq_ass_slice */
NULL, /* objobjproc sq_contains */
/* Added in release 2.0 */
NULL, /* binaryfunc sq_inplace_concat */
NULL, /* intargfunc sq_inplace_repeat */
};
/* sequence slice (get): idparr[a:b] */
static PyObject *BPy_IDArray_slice(BPy_IDArray *self, int begin, int end)
{
IDProperty *prop = self->prop;
PyObject *tuple;
int count;
CLAMP(begin, 0, prop->len);
if (end < 0) end = prop->len + end + 1;
CLAMP(end, 0, prop->len);
begin = MIN2(begin, end);
tuple = PyTuple_New(end - begin);
switch (prop->subtype) {
case IDP_FLOAT:
{
float *array = (float *)IDP_Array(prop);
for (count = begin; count < end; count++) {
PyTuple_SET_ITEM(tuple, count - begin, PyFloat_FromDouble(array[count]));
}
break;
}
case IDP_DOUBLE:
{
double *array = (double *)IDP_Array(prop);
for (count = begin; count < end; count++) {
PyTuple_SET_ITEM(tuple, count - begin, PyFloat_FromDouble(array[count]));
}
break;
}
case IDP_INT:
{
int *array = (int *)IDP_Array(prop);
for (count = begin; count < end; count++) {
PyTuple_SET_ITEM(tuple, count - begin, PyLong_FromLong(array[count]));
}
break;
}
}
return tuple;
}
/* sequence slice (set): idparr[a:b] = value */
static int BPy_IDArray_ass_slice(BPy_IDArray *self, int begin, int end, PyObject *seq)
{
IDProperty *prop = self->prop;
short is_double = 0;
const PyTypeObject *py_type = idp_array_py_type(self, &is_double);
const size_t elem_size = is_double ? sizeof(double) : sizeof(float);
size_t alloc_len;
size_t size;
void *vec;
CLAMP(begin, 0, prop->len);
CLAMP(end, 0, prop->len);
begin = MIN2(begin, end);
size = (end - begin);
alloc_len = size * elem_size;
vec = MEM_mallocN(alloc_len, "array assignment"); /* NOTE: we count on int/float being the same size here */
if (PyC_AsArray(vec, seq, size, py_type, is_double, "slice assignment: ") == -1) {
MEM_freeN(vec);
return -1;
}
memcpy((void *)(((char *)IDP_Array(prop)) + (begin * elem_size)), vec, alloc_len);
MEM_freeN(vec);
return 0;
}
static PyObject *BPy_IDArray_subscript(BPy_IDArray *self, PyObject *item)
{
if (PyIndex_Check(item)) {
Py_ssize_t i;
i = PyNumber_AsSsize_t(item, PyExc_IndexError);
if (i == -1 && PyErr_Occurred())
return NULL;
if (i < 0)
i += self->prop->len;
return BPy_IDArray_GetItem(self, i);
}
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelength;
if (PySlice_GetIndicesEx((void *)item, self->prop->len, &start, &stop, &step, &slicelength) < 0)
return NULL;
if (slicelength <= 0) {
return PyTuple_New(0);
}
else if (step == 1) {
return BPy_IDArray_slice(self, start, stop);
}
else {
PyErr_SetString(PyExc_TypeError, "slice steps not supported with vectors");
return NULL;
}
}
else {
PyErr_Format(PyExc_TypeError,
"vector indices must be integers, not %.200s",
__func__, Py_TYPE(item)->tp_name);
return NULL;
}
}
static int BPy_IDArray_ass_subscript(BPy_IDArray *self, PyObject *item, PyObject *value)
{
if (PyIndex_Check(item)) {
Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
if (i == -1 && PyErr_Occurred())
return -1;
if (i < 0)
i += self->prop->len;
return BPy_IDArray_SetItem(self, i, value);
}
else if (PySlice_Check(item)) {
Py_ssize_t start, stop, step, slicelength;
if (PySlice_GetIndicesEx((void *)item, self->prop->len, &start, &stop, &step, &slicelength) < 0)
return -1;
if (step == 1)
return BPy_IDArray_ass_slice(self, start, stop, value);
else {
PyErr_SetString(PyExc_TypeError, "slice steps not supported with vectors");
return -1;
}
}
else {
PyErr_Format(PyExc_TypeError,
"vector indices must be integers, not %.200s",
Py_TYPE(item)->tp_name);
return -1;
}
}
static PyMappingMethods BPy_IDArray_AsMapping = {
(lenfunc)BPy_IDArray_Len,
(binaryfunc)BPy_IDArray_subscript,
(objobjargproc)BPy_IDArray_ass_subscript
};
PyTypeObject BPy_IDArray_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
/* For printing, in format "<module>.<name>" */
"Blender IDArray", /* char *tp_name; */
sizeof(BPy_IDArray), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
NULL, /* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* cmpfunc tp_compare; */
(reprfunc)BPy_IDArray_repr, /* reprfunc tp_repr; */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
&BPy_IDArray_Seq, /* PySequenceMethods *tp_as_sequence; */
&BPy_IDArray_AsMapping, /* 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 tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_IDArray_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
BPy_IDArray_getseters, /* struct PyGetSetDef *tp_getset; */
NULL, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
NULL, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
/*********** ID Property Group iterator ********/
static PyObject *IDGroup_Iter_repr(BPy_IDGroup_Iter *self)
{
return PyUnicode_FromFormat("(ID Property Group Iter \"%s\")", self->group->prop->name);
}
static PyObject *BPy_Group_Iter_Next(BPy_IDGroup_Iter *self)
{
if (self->cur) {
PyObject *ret;
IDProperty *cur;
cur = self->cur;
self->cur = self->cur->next;
if (self->mode == IDPROP_ITER_ITEMS) {
ret = PyTuple_New(2);
PyTuple_SET_ITEM(ret, 0, PyUnicode_FromString(cur->name));
PyTuple_SET_ITEM(ret, 1, BPy_IDGroup_WrapData(self->group->id, cur, self->group->prop));
return ret;
}
else {
return PyUnicode_FromString(cur->name);
}
}
else {
PyErr_SetString(PyExc_StopIteration, "iterator at end");
return NULL;
}
}
PyTypeObject BPy_IDGroup_Iter_Type = {
PyVarObject_HEAD_INIT(NULL, 0)
/* For printing, in format "<module>.<name>" */
"Blender IDGroup_Iter", /* char *tp_name; */
sizeof(BPy_IDGroup_Iter), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
NULL, /* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* cmpfunc tp_compare; */
(reprfunc) IDGroup_Iter_repr, /* reprfunc 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 tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
PyObject_SelfIter, /* getiterfunc tp_iter; */
(iternextfunc) BPy_Group_Iter_Next, /* iternextfunc tp_iternext; */
};
void IDProp_Init_Types(void)
{
PyType_Ready(&BPy_IDGroup_Type);
PyType_Ready(&BPy_IDGroup_Iter_Type);
PyType_Ready(&BPy_IDArray_Type);
}
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