code: def GetNSAndWsdlname(self, tag):
        
        idx = tag.find(":")
        if idx >= 0:
           prefix, name = tag[:idx], tag[idx + 1:]
        else:
           prefix, name = None, tag
        # Map prefix to ns
        ns = self._GetNamespaceFromPrefix(prefix)
        return ns, name
docs: Map prefix:name tag into ns, name