added API function to C and python

* C:  BM_vert_separate(...)
* py: bmesh.utils.vert_separate(vert, edges)

This splits off regions around the vertex, splitting on connected edges passed in a sequence.

also made minor changes
- rename python api functions _rip to _separate
- fixed bmesh iterator being iterable its self (some parts of python expect this)
- fix memory leak in bmesh python api.

1 files changed, 3 insertions, 0 deletions

diff --git a/source/blender/python/bmesh/bmesh_py_types.h b/source/blender/python/bmesh/bmesh_py_types.h
index d7deb41c4e3..f496527768d 100644
--- a/source/blender/python/bmesh/bmesh_py_types.h
+++ b/source/blender/python/bmesh/bmesh_py_types.h
@@ -137,6 +137,9 @@ void *BPy_BMElem_PySeq_As_Array(BMesh **r_bm, PyObject *seq, Py_ssize_t min, Py_
                                 const char do_unique_check, const char do_bm_check,
                                 const char *error_prefix);
 
+PyObject *BPy_BMElem_Array_As_Tuple(BMesh *bm, BMHeader **elem, Py_ssize_t elem_len);
+
+
 #define BPY_BM_CHECK_OBJ(obj) if (UNLIKELY(bpy_bm_generic_valid_check((BPy_BMGeneric *)obj) == -1)) { return NULL; } (void)0
 #define BPY_BM_CHECK_INT(obj) if (UNLIKELY(bpy_bm_generic_valid_check((BPy_BMGeneric *)obj) == -1)) { return -1; }   (void)0