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

modules/python/src2/hdr_parser.py

@@ -206,6 +206,8 @@ class CppHeaderParser(object):
     def parse_enum(self, decl_str):
         l = decl_str
         ll = l.split(",")
+        if ll[-1].strip() == "":
+            ll = ll[:-1]
         prev_val = ""
         prev_val_delta = -1
         decl = []