forked from bartvdbraak/blender
PyRna float/bool/int slicing.
- fixed slice assignment. - fix for slowdown where getting a slice would get the entire array and free it for every item in the array (malloc and free for arrays >32). - fix for thick wrapped returning an array referencing the original pointer when coercing into a mathutils type failed. TODO - slice assignment currently only sypports lists. - dimensions are ignored for multidimensional arrays.
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c1b0239f06
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78b2eb8d3c
@ -53,6 +53,8 @@
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#include "../generic/Mathutils.h" /* so we can have mathutils callbacks */
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#include "../generic/IDProp.h" /* for IDprop lookups */
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static PyObject *prop_subscript_array_slice(PointerRNA *ptr, PropertyRNA *prop, int start, int stop, int length);
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/* bpyrna vector/euler/quat callbacks */
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static int mathutils_rna_array_cb_index= -1; /* index for our callbacks */
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@ -234,8 +236,15 @@ PyObject *pyrna_math_object_from_array(PointerRNA *ptr, PropertyRNA *prop)
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}
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}
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if(ret==NULL)
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ret = pyrna_prop_CreatePyObject(ptr, prop); /* TODO, convert to a python list */
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if(ret==NULL) {
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if(is_thick) {
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/* this is an array we cant reference (since its not thin wrappable)
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* and cannot be coerced into a mathutils type, so return as a list */
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ret = prop_subscript_array_slice(ptr, prop, 0, len, len);
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} else {
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ret = pyrna_prop_CreatePyObject(ptr, prop); /* owned by the Mathutils PyObject */
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}
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}
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#endif
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@ -999,7 +1008,7 @@ static PyObject *prop_subscript_collection_str(BPy_PropertyRNA *self, char *keyn
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}
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/* static PyObject *prop_subscript_array_str(BPy_PropertyRNA *self, char *keyname) */
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static PyObject *prop_subscript_collection_slice(BPy_PropertyRNA *self, int start, int stop)
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static PyObject *prop_subscript_collection_slice(PointerRNA *ptr, PropertyRNA *prop, int start, int stop, int length)
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{
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PointerRNA newptr;
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PyObject *list = PyList_New(stop - start);
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@ -1008,8 +1017,8 @@ static PyObject *prop_subscript_collection_slice(BPy_PropertyRNA *self, int star
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start = MIN2(start,stop); /* values are clamped from */
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for(count = start; count < stop; count++) {
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if(RNA_property_collection_lookup_int(&self->ptr, self->prop, count - start, &newptr)) {
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PyList_SetItem(list, count - start, pyrna_struct_CreatePyObject(&newptr));
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if(RNA_property_collection_lookup_int(ptr, prop, count - start, &newptr)) {
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PyList_SET_ITEM(list, count - start, pyrna_struct_CreatePyObject(&newptr));
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}
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else {
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Py_DECREF(list);
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@ -1021,16 +1030,72 @@ static PyObject *prop_subscript_collection_slice(BPy_PropertyRNA *self, int star
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return list;
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}
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static PyObject *prop_subscript_array_slice(BPy_PropertyRNA *self, int start, int stop)
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/* TODO - dimensions
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* note: could also use pyrna_prop_to_py_index(self, count) in a loop but its a lot slower
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* since at the moment it reads (and even allocates) the entire array for each index.
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*/
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#define PYRNA_STACK_ARRAY 32
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static PyObject *prop_subscript_array_slice(PointerRNA *ptr, PropertyRNA *prop, int start, int stop, int length)
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{
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PyObject *list = PyList_New(stop - start);
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int count;
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start = MIN2(start,stop); /* values are clamped from PySlice_GetIndicesEx */
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switch (RNA_property_type(prop)) {
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case PROP_FLOAT:
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{
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float values_stack[PYRNA_STACK_ARRAY];
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float *values;
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if(length > PYRNA_STACK_ARRAY) { values= PyMem_MALLOC(sizeof(float) * length); }
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else { values= values_stack; }
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RNA_property_float_get_array(ptr, prop, values);
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for(count=start; count<stop; count++)
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PyList_SET_ITEM(list, count-start, PyFloat_FromDouble(values[count]));
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for(count = start; count < stop; count++)
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PyList_SetItem(list, count - start, pyrna_prop_to_py_index(self, count));
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if(values != values_stack) {
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PyMem_FREE(values);
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}
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break;
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}
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case PROP_BOOLEAN:
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{
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int values_stack[PYRNA_STACK_ARRAY];
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int *values;
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if(length > PYRNA_STACK_ARRAY) { values= PyMem_MALLOC(sizeof(int) * length); }
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else { values= values_stack; }
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RNA_property_boolean_get_array(ptr, prop, values);
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for(count=start; count<stop; count++)
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PyList_SET_ITEM(list, count-start, PyBool_FromLong(values[count]));
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if(values != values_stack) {
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PyMem_FREE(values);
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}
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break;
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}
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case PROP_INT:
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{
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int values_stack[PYRNA_STACK_ARRAY];
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int *values;
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if(length > PYRNA_STACK_ARRAY) { values= PyMem_MALLOC(sizeof(int) * length); }
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else { values= values_stack; }
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RNA_property_int_get_array(ptr, prop, values);
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for(count=start; count<stop; count++)
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PyList_SET_ITEM(list, count-start, PyLong_FromSsize_t(values[count]));
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if(values != values_stack) {
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PyMem_FREE(values);
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}
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break;
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}
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default:
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/* probably will never happen */
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PyErr_SetString(PyExc_TypeError, "not an array type");
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Py_DECREF(list);
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list= NULL;
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}
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return list;
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}
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@ -1057,7 +1122,7 @@ static PyObject *prop_subscript_collection(BPy_PropertyRNA *self, PyObject *key)
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return PyList_New(0);
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}
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else if (step == 1) {
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return prop_subscript_collection_slice(self, start, stop);
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return prop_subscript_collection_slice(&self->ptr, self->prop, start, stop, len);
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}
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else {
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PyErr_SetString(PyExc_TypeError, "slice steps not supported with rna");
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@ -1092,7 +1157,7 @@ static PyObject *prop_subscript_array(BPy_PropertyRNA *self, PyObject *key)
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return PyList_New(0);
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}
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else if (step == 1) {
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return prop_subscript_array_slice(self, start, stop);
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return prop_subscript_array_slice(&self->ptr, self->prop, start, stop, len);
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}
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else {
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PyErr_SetString(PyExc_TypeError, "slice steps not supported with rna");
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@ -1117,21 +1182,81 @@ static PyObject *pyrna_prop_subscript( BPy_PropertyRNA *self, PyObject *key )
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return NULL;
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}
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static int prop_subscript_ass_array_slice(BPy_PropertyRNA *self, int begin, int end, PyObject *value)
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/* could call (pyrna_py_to_prop_index(self, i, value) in a loop but it is slow */
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static int prop_subscript_ass_array_slice(PointerRNA *ptr, PropertyRNA *prop, int start, int stop, int length, PyObject *value)
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{
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int count;
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/* values are clamped from */
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begin = MIN2(begin,end);
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for(count = begin; count < end; count++) {
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if(pyrna_py_to_prop_index(self, count - begin, value) == -1) {
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/* TODO - this is wrong since some values have been assigned... will need to fix that */
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return -1; /* pyrna_struct_CreatePyObject should set the error */
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}
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void *values_alloc= NULL;
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int ret= 0;
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/* TODO - fast list ? */
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if(!PyList_Check(value)) {
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PyErr_Format(PyExc_TypeError, "invalid slice assignment, exitected a list instead of %.200s instance.", Py_TYPE(value)->tp_name);
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return -1;
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}
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return 0;
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switch (RNA_property_type(prop)) {
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case PROP_FLOAT:
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{
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float values_stack[PYRNA_STACK_ARRAY];
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float *values;
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if(length > PYRNA_STACK_ARRAY) { values= values_alloc= PyMem_MALLOC(sizeof(float) * length); }
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else { values= values_stack; }
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if(start != 0 || stop != length) /* partial assignment? - need to get the array */
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RNA_property_float_get_array(ptr, prop, values);
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for(count=start; count<stop; count++)
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values[count] = PyFloat_AsDouble(PyList_GET_ITEM(value, count-start));
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if(PyErr_Occurred()) ret= -1;
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else RNA_property_float_set_array(ptr, prop, values);
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break;
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}
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case PROP_BOOLEAN:
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{
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int values_stack[PYRNA_STACK_ARRAY];
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int *values;
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if(length > PYRNA_STACK_ARRAY) { values= values_alloc= PyMem_MALLOC(sizeof(int) * length); }
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else { values= values_stack; }
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if(start != 0 || stop != length) /* partial assignment? - need to get the array */
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RNA_property_boolean_get_array(ptr, prop, values);
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for(count=start; count<stop; count++)
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values[count] = PyLong_AsSsize_t(PyList_GET_ITEM(value, count-start));
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if(PyErr_Occurred()) ret= -1;
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else RNA_property_boolean_set_array(ptr, prop, values);
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break;
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}
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case PROP_INT:
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{
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int values_stack[PYRNA_STACK_ARRAY];
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int *values;
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if(length > PYRNA_STACK_ARRAY) { values= values_alloc= PyMem_MALLOC(sizeof(int) * length); }
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else { values= values_stack; }
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if(start != 0 || stop != length) /* partial assignment? - need to get the array */
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RNA_property_int_get_array(ptr, prop, values);
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for(count=start; count<stop; count++)
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values[count] = PyLong_AsSsize_t(PyList_GET_ITEM(value, count-start));
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if(PyErr_Occurred()) ret= -1;
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else RNA_property_int_set_array(ptr, prop, values);
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break;
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}
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default:
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PyErr_SetString(PyExc_TypeError, "not an array type");
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ret= -1;
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}
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if(values_alloc) {
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PyMem_FREE(values_alloc);
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}
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return ret;
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}
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static int prop_subscript_ass_array_int(BPy_PropertyRNA *self, int keynum, PyObject *value)
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@ -1180,7 +1305,7 @@ static int pyrna_prop_ass_subscript( BPy_PropertyRNA *self, PyObject *key, PyObj
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return 0;
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}
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else if (step == 1) {
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return prop_subscript_ass_array_slice(self, start, stop, value);
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return prop_subscript_ass_array_slice(&self->ptr, self->prop, start, stop, len, value);
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}
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else {
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PyErr_SetString(PyExc_TypeError, "slice steps not supported with rna");
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@ -2341,14 +2466,8 @@ PyObject *pyrna_prop_iter(BPy_PropertyRNA *self)
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PyObject *iter;
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if(RNA_property_array_check(&self->ptr, self->prop)) {
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int len = pyrna_prop_array_length(self);
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int i;
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PyErr_Clear();
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ret = PyList_New(len);
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for (i=0; i < len; i++) {
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PyList_SET_ITEM(ret, i, pyrna_prop_to_py_index(self, i));
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}
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int len= pyrna_prop_array_length(self);
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ret = prop_subscript_array_slice(&self->ptr, self->prop, 0, len, len);
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}
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else if ((ret = pyrna_prop_values(self))) {
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/* do nothing */
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