* PyOperators now parse args using the PyRNA api (wraps ID props internally),

this means it can reuse the function for converting python to RNA types - giving more useful errors.
* Incorrect enum args lists valid values in their exception message (used for PyRNA and PyOperators).
* remove bpy_idprop.c and bpy_idprop.h

PyOperators are not usable since they run outside the UI loop atm.

source/blender/python/intern/bpy_rna.h

@@ -49,4 +49,7 @@ PyObject *BPY_rna_doc( void );
 PyObject *pyrna_struct_CreatePyObject( PointerRNA *ptr );
 PyObject *pyrna_prop_CreatePyObject( PointerRNA *ptr, PropertyRNA *prop );
 
+/* operators also need this to set args */
+int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, PyObject *value);
+
 #endif