fixed parsing enums with tailing comma

gen2.py reports headers it processes
cmake file restructured

modules/python/src2/gen2.py

@@ -831,6 +831,7 @@ class PythonWrapperGenerator(object):
 
         # step 1: scan the headers and build more descriptive maps of classes, consts, functions
         for hdr in srcfiles:
+            print(hdr)
             decls = parser.parse(hdr)
             if len(decls) == 0:
                 continue