code: def __getattr__(self, name):
      if name[:1] == "_":
          raise AttributeError(name)
      if self == Namespace:
          raise ValueError("Namespace class is abstract")
      tagspec = self.__tagspec__
      if tagspec is not None and name not in tagspec:
          raise AttributeError(name)
      classattr = {}
      if self.__stickyname__:
          classattr["xmlname"] = name
      cls = type(name, (self.__tagclass__,), classattr)
      setattr(self, name, cls)
      return cls
  
imports: import sys, re
label_desc: Use image node_id 1 for calling the NamespaceMetaclass obj's underlying member method code with example usage: obj.__getattr__(name) and returns: cls