This patch adds support in bpy.props for getter/setter callback functions. We already have update callbacks, but generic get/set functions can come in handy in some cases where the functionality is too complex to use a single value.

The current C callback functions are too simple allow a straightforward implementation, in particular they don't receive the PropertyRNA pointer itself as an argument, which means the callback cannot directly access the PropertyRNA's py_data pointers which store the python function objects. For this reason a second runtime variant of these callbacks has been added. It is only used for runtime callbacks and not in makesrna, but otherwise works the same way.

1 files changed, 2 insertions, 0 deletions

diff --git a/source/blender/python/generic/py_capi_utils.h b/source/blender/python/generic/py_capi_utils.h
index db582bd7086..b4eea6ac90c 100644
--- a/source/blender/python/generic/py_capi_utils.h
+++ b/source/blender/python/generic/py_capi_utils.h
@@ -39,6 +39,8 @@ void			PyC_FileAndNum(const char **filename, int *lineno);
 void			PyC_FileAndNum_Safe(const char **filename, int *lineno); /* checks python is running */
 int				PyC_AsArray(void *array, PyObject *value, const Py_ssize_t length,
                             const PyTypeObject *type, const short is_double, const char *error_prefix);
+PyObject *		PyC_FromArray(const void *array, int length, const PyTypeObject *type,
+                              const short is_double, const char *error_prefix);
 
 /* follow http://www.python.org/dev/peps/pep-0383/ */
 PyObject *      PyC_UnicodeFromByte(const char *str);