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bmesh py api: add support for return values from bmesh operators.

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Campbell Barton
2012-11-20 02:56:42 +00:00
parent 609528737a
commit 050e220a98
1 changed files with 63 additions and 4 deletions
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67
source/blender/python/bmesh/bmesh_py_ops.c
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@@ -90,6 +90,7 @@ static PyObject *bpy_bmesh_op_repr(BPy_BMeshOpFunc *self)
static PyObject *pyrna_op_call(BPy_BMeshOpFunc *self, PyObject *args, PyObject *kw)
{
PyObject *ret;
BPy_BMesh *py_bm;
BMesh *bm;
@@ -316,13 +317,71 @@ static PyObject *pyrna_op_call(BPy_BMeshOpFunc *self, PyObject *args, PyObject *
}
BMO_op_exec(bm, &bmop);
BMO_op_finish(bm, &bmop);
if (bpy_bm_op_as_py_error(bm) == -1) {
return NULL;
/* from here until the end of the function, no returns, just set 'ret' */
if (UNLIKELY(bpy_bm_op_as_py_error(bm) == -1)) {
ret = NULL; /* exception raised above */
}
else if (bmop.slots_out[0].slot_name == NULL) {
ret = (Py_INCREF(Py_None), Py_None);
}
else {
/* build return value */
int i;
ret = PyDict_New();
for (i = 0; bmop.slots_out[i].slot_name; i++) {
// BMOpDefine *op_def = opdefines[bmop.type];
// BMOSlotType *slot_type = op_def->slot_types_out[i];
BMOpSlot *slot = &bmop.slots_out[i];
PyObject *item = NULL;
/* keep switch in same order as above */
switch (slot->slot_type) {
case BMO_OP_SLOT_BOOL:
item = PyBool_FromLong(slot->data.i);
break;
case BMO_OP_SLOT_INT:
item = PyLong_FromSsize_t((Py_ssize_t)slot->data.i);
break;
case BMO_OP_SLOT_FLT:
item = PyFloat_FromDouble((double)slot->data.f);
break;
case BMO_OP_SLOT_MAT:
item = Matrix_CreatePyObject(slot->data.p, 4, 4, Py_NEW, NULL);
break;
case BMO_OP_SLOT_VEC:
item = Vector_CreatePyObject(slot->data.vec, slot->len, Py_NEW, NULL);
break;
case BMO_OP_SLOT_ELEMENT_BUF:
{
const int size = slot->len;
int j;
item = PyList_New(size);
for (j = 0; j < size; j++) {
BMHeader *ele = ((BMHeader **)slot->data.buf)[i];
PyList_SET_ITEM(item, j, ele ? BPy_BMElem_CreatePyObject(bm, ele) : (Py_INCREF(Py_None), Py_None));
}
break;
}
case BMO_OP_SLOT_MAPPING:
item = (Py_INCREF(Py_None), Py_None);
// TODO
break;
}
BLI_assert(item != NULL);
if (item == NULL) {
item = (Py_INCREF(Py_None), Py_None);
}
PyDict_SetItemString(ret, slot->slot_name, item);
Py_DECREF(item);
}
}
Py_RETURN_NONE;
BMO_op_finish(bm, &bmop);
return ret;
}