[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [52606] trunk/blender/source/blender/ python/bmesh/bmesh_py_ops_call.c: split py->slot & slot-> py into their own functions & fixed some mistakes with conversion.

Campbell Barton ideasman42 at gmail.com
Tue Nov 27 15:25:39 CET 2012


Revision: 52606
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=52606
Author:   campbellbarton
Date:     2012-11-27 14:25:38 +0000 (Tue, 27 Nov 2012)
Log Message:
-----------
split py->slot & slot->py into their own functions & fixed some mistakes with conversion.

Modified Paths:
--------------
    trunk/blender/source/blender/python/bmesh/bmesh_py_ops_call.c

Modified: trunk/blender/source/blender/python/bmesh/bmesh_py_ops_call.c
===================================================================
--- trunk/blender/source/blender/python/bmesh/bmesh_py_ops_call.c	2012-11-27 13:54:34 UTC (rev 52605)
+++ trunk/blender/source/blender/python/bmesh/bmesh_py_ops_call.c	2012-11-27 14:25:38 UTC (rev 52606)
@@ -60,443 +60,617 @@
 }
 
 /**
- * This is the __call__ for bmesh.ops.xxx()
+ * Use for giving py args to an operator.
  */
-PyObject *BPy_BMO_call(BPy_BMeshOpFunc *self, PyObject *args, PyObject *kw)
+static int bpy_slot_from_py(BMesh *bm, BMOperator *bmop, BMOpSlot *slot, PyObject *value,
+                            /* the are just for exception messages */
+                            const char *opname, const char *slot_name)
 {
-	PyObject *ret;
-	BPy_BMesh *py_bm;
-	BMesh *bm;
+	switch (slot->slot_type) {
+		case BMO_OP_SLOT_BOOL:
+		{
+			int param;
 
-	BMOperator bmop;
+			param = PyLong_AsLong(value);
 
-	if ((PyTuple_GET_SIZE(args) == 1) &&
-	    (py_bm = (BPy_BMesh *)PyTuple_GET_ITEM(args, 0)) &&
-	    (BPy_BMesh_Check(py_bm))
-		)
-	{
-		BPY_BM_CHECK_OBJ(py_bm);
-		bm = py_bm->bm;
-	}
-	else {
-		PyErr_SetString(PyExc_TypeError,
-		                "calling a bmesh operator expects a single BMesh (non keyword) "
-		                "as the first argument");
-		return NULL;
-	}
+			if (param < 0) {
+				PyErr_Format(PyExc_TypeError,
+				             "%.200s: keyword \"%.200s\" expected True/False or 0/1, not %.200s",
+				             opname, slot_name, Py_TYPE(value)->tp_name);
+				return -1;
+			}
+			else {
+				BMO_SLOT_AS_BOOL(slot) = param;
+			}
 
-	/* TODO - error check this!, though we do the error check on attribute access */
-	/* TODO - make flags optional */
-	BMO_op_init(bm, &bmop, BMO_FLAG_DEFAULTS, self->opname);
-
-	if (kw && PyDict_Size(kw) > 0) {
-		/* setup properties, see bpy_rna.c: pyrna_py_to_prop()
-		 * which shares this logic for parsing properties */
-
-		PyObject *key, *value;
-		Py_ssize_t pos = 0;
-		while (PyDict_Next(kw, &pos, &key, &value)) {
-			const char *slot_name = _PyUnicode_AsString(key);
-			BMOpSlot *slot = BMO_slot_get(bmop.slots_in, slot_name);
-
-			if (slot == NULL) {
+			break;
+		}
+		case BMO_OP_SLOT_INT:
+		{
+			int overflow;
+			long param = PyLong_AsLongAndOverflow(value, &overflow);
+			if (overflow || (param > INT_MAX) || (param < INT_MIN)) {
+				PyErr_Format(PyExc_ValueError,
+				             "%.200s: keyword \"%.200s\" value not in 'int' range "
+				             "(" STRINGIFY(INT_MIN) ", " STRINGIFY(INT_MAX) ")",
+				             opname, slot_name, Py_TYPE(value)->tp_name);
+				return -1;
+			}
+			else if (param == -1 && PyErr_Occurred()) {
 				PyErr_Format(PyExc_TypeError,
-				             "%.200s: keyword \"%.200s\" is invalid for this operator",
-				             self->opname, slot_name);
-				return NULL;
+				             "%.200s: keyword \"%.200s\" expected an int, not %.200s",
+				             opname, slot_name, Py_TYPE(value)->tp_name);
+				return -1;
 			}
+			else {
+				BMO_SLOT_AS_INT(slot) = (int)param;
+			}
+			break;
+		}
+		case BMO_OP_SLOT_FLT:
+		{
+			float param = PyFloat_AsDouble(value);
+			if (param == -1 && PyErr_Occurred()) {
+				PyErr_Format(PyExc_TypeError,
+				             "%.200s: keyword \"%.200s\" expected a float, not %.200s",
+				             opname, slot_name, Py_TYPE(value)->tp_name);
+				return -1;
+			}
+			else {
+				BMO_SLOT_AS_FLOAT(slot) = param;
+			}
+			break;
+		}
+		case BMO_OP_SLOT_MAT:
+		{
+			/* XXX - BMesh operator design is crappy here, operator slot should define matrix size,
+			 * not the caller! */
+			unsigned short size;
+			if (!MatrixObject_Check(value)) {
+				PyErr_Format(PyExc_TypeError,
+				             "%.200s: keyword \"%.200s\" expected a Matrix, not %.200s",
+				             opname, slot_name, Py_TYPE(value)->tp_name);
+				return -1;
+			}
+			else if (BaseMath_ReadCallback((MatrixObject *)value) == -1) {
+				return -1;
+			}
+			else if (((size = ((MatrixObject *)value)->num_col) != ((MatrixObject *)value)->num_row) ||
+			         (ELEM(size, 3, 4) == FALSE))
+			{
+				PyErr_Format(PyExc_TypeError,
+				             "%.200s: keyword \"%.200s\" expected a 3x3 or 4x4 matrix Matrix",
+				             opname, slot_name);
+				return -1;
+			}
 
-			/* now assign the value */
-			switch (slot->slot_type) {
-				case BMO_OP_SLOT_BOOL:
+			BMO_slot_mat_set(bmop, bmop->slots_in, slot_name, ((MatrixObject *)value)->matrix, size);
+			break;
+		}
+		case BMO_OP_SLOT_VEC:
+		{
+			/* passing slot name here is a bit non-descriptive */
+			if (mathutils_array_parse(BMO_SLOT_AS_VECTOR(slot), 3, 3, value, slot_name) == -1) {
+				return -1;
+			}
+			break;
+		}
+		case BMO_OP_SLOT_ELEMENT_BUF:
+		{
+			if (slot->slot_subtype.elem & BMO_OP_SLOT_SUBTYPE_ELEM_IS_SINGLE) {
+				if (!BPy_BMElem_Check(value) ||
+				    !(((BPy_BMElem *)value)->ele->head.htype & slot->slot_subtype.elem))
 				{
-					int param;
+					PyErr_Format(PyExc_TypeError,
+					             "%.200s: keyword \"%.200s\" expected a %.200s not *.200s",
+					             opname, slot_name,
+					             BPy_BMElem_StringFromHType(slot->slot_subtype.elem & BM_ALL_NOLOOP),
+					             Py_TYPE(value)->tp_name);
+					return -1;
+				}
+				else if (((BPy_BMElem *)value)->bm == NULL) {
+					PyErr_Format(PyExc_TypeError,
+					             "%.200s: keyword \"%.200s\" invalidated element",
+					             opname, slot_name);
+					return -1;
+				}
 
-					param = PyLong_AsLong(value);
+				BMO_slot_buffer_from_single(bmop, slot, &((BPy_BMElem *)value)->ele->head);
+			}
+			else {
+				/* there are many ways we could interpret arguments, for now...
+				 * - verts/edges/faces from the mesh direct,
+				 *   this way the operator takes every item.
+				 * - `TODO` a plain python sequence (list) of elements.
+				 * - `TODO`  an iterator. eg.
+				 *   face.verts
+				 * - `TODO`  (type, flag) pair, eg.
+				 *   ('VERT', {'TAG'})
+				 */
 
-					if (param < 0) {
-						PyErr_Format(PyExc_TypeError,
-						             "%.200s: keyword \"%.200s\" expected True/False or 0/1, not %.200s",
-						             self->opname, slot_name, Py_TYPE(value)->tp_name);
-						return NULL;
+#define BPY_BM_GENERIC_MESH_TEST(type_string)  \
+if (((BPy_BMGeneric *)value)->bm != bm) {                                             \
+	PyErr_Format(PyExc_NotImplementedError,                                           \
+	             "%.200s: keyword \"%.200s\" " type_string " are from another bmesh", \
+	             opname, slot_name, slot->slot_type);                           \
+	return -1;                                                                        \
+	} (void)0
+
+#define BPY_BM_ELEM_TYPE_TEST(type_string)  \
+	if ((slot->slot_subtype.elem & BM_VERT) == 0) { \
+	PyErr_Format(PyExc_TypeError, \
+	             "%.200s: keyword \"%.200s\" expected " \
+	             "a list of %.200s not " type_string, \
+	             opname, slot_name, \
+	             BPy_BMElem_StringFromHType(slot->slot_subtype.elem & BM_ALL_NOLOOP)); \
+	return -1; \
+	} (void)0
+
+				if (BPy_BMVertSeq_Check(value)) {
+					BPY_BM_GENERIC_MESH_TEST("verts");
+					BPY_BM_ELEM_TYPE_TEST("verts");
+
+					BMO_slot_buffer_from_all(bm, bmop, bmop->slots_in, slot_name, BM_VERT);
+				}
+				else if (BPy_BMEdgeSeq_Check(value)) {
+					BPY_BM_GENERIC_MESH_TEST("edges");
+					BPY_BM_ELEM_TYPE_TEST("edges");
+					BMO_slot_buffer_from_all(bm, bmop, bmop->slots_in, slot_name, BM_EDGE);
+				}
+				else if (BPy_BMFaceSeq_Check(value)) {
+					BPY_BM_GENERIC_MESH_TEST("faces");
+					BPY_BM_ELEM_TYPE_TEST("faces");
+					BMO_slot_buffer_from_all(bm, bmop, bmop->slots_in, slot_name, BM_FACE);
+				}
+
+#undef BPY_BM_ELEM_TYPE_TEST
+
+				else if (BPy_BMElemSeq_Check(value)) {
+					BMIter iter;
+					BMHeader *ele;
+					int tot;
+					unsigned int i;
+
+					BPY_BM_GENERIC_MESH_TEST("elements");
+
+					/* this will loop over all elements which is a shame but
+					 * we need to know this before alloc */
+					/* calls bpy_bmelemseq_length() */
+					tot = Py_TYPE(value)->tp_as_sequence->sq_length((PyObject *)value);
+
+					BMO_slot_buffer_alloc(bmop, bmop->slots_in, slot_name, tot);
+
+					i = 0;
+					BM_ITER_BPY_BM_SEQ (ele, &iter, ((BPy_BMElemSeq *)value)) {
+						slot->data.buf[i] = ele;
+						i++;
 					}
-					else {
-						BMO_SLOT_AS_BOOL(slot) = param;
+				}
+				/* keep this last */
+				else if (PySequence_Check(value)) {
+					BMElem **elem_array = NULL;
+					Py_ssize_t elem_array_len;
+
+					elem_array = BPy_BMElem_PySeq_As_Array(&bm, value, 0, PY_SSIZE_T_MAX,
+					                                       &elem_array_len, (slot->slot_subtype.elem & BM_ALL_NOLOOP),
+					                                       TRUE, TRUE, slot_name);
+
+					/* error is set above */
+					if (elem_array == NULL) {
+						return -1;
 					}
 
-					break;
+					BMO_slot_buffer_alloc(bmop, bmop->slots_in, slot_name, elem_array_len);
+					memcpy(slot->data.buf, elem_array, sizeof(void *) * elem_array_len);
+					PyMem_FREE(elem_array);
 				}
-				case BMO_OP_SLOT_INT:
+				else {
+					PyErr_Format(PyExc_TypeError,
+					             "%.200s: keyword \"%.200s\" expected "
+					             "a bmesh sequence, list, (htype, flag) pair, not %.200s",
+					             opname, slot_name, Py_TYPE(value)->tp_name);
+					return -1;
+				}
+			}
+#undef BPY_BM_GENERIC_MESH_TEST
+
+			break;
+		}
+		case BMO_OP_SLOT_MAPPING:
+		{
+			/* first check types */
+			if (slot->slot_subtype.map != BMO_OP_SLOT_SUBTYPE_MAP_EMPTY) {
+				if (!PyDict_Check(value)) {
+					PyErr_Format(PyExc_TypeError,
+					             "%.200s: keyword \"%.200s\" expected "
+					             "a dict, not %.200s",
+					             opname, slot_name, Py_TYPE(value)->tp_name);
+					return -1;
+				}
+			}
+			else {
+				if (!PySet_Check(value)) {
+					PyErr_Format(PyExc_TypeError,
+					             "%.200s: keyword \"%.200s\" expected "
+					             "a set, not %.200s",
+					             opname, slot_name, Py_TYPE(value)->tp_name);
+					return -1;
+				}
+			}
+
+			switch (slot->slot_subtype.map) {
+
+				/* this could be a static function */
+#define BPY_BM_MAPPING_KEY_CHECK(arg_key)  \
+				if (!BPy_BMElem_Check(arg_key)) { \
+					PyErr_Format(PyExc_TypeError, \
+					             "%.200s: keyword \"%.200s\" expected " \
+					             "a dict with bmesh element keys, not %.200s", \

@@ Diff output truncated at 10240 characters. @@



More information about the Bf-blender-cvs mailing list