code: def _claskey(obj, style):
      '''Wrap an old- or new-style class object.
      '''
      i =  id(obj)
      k = _claskeys.get(i, None)
      if not k:
          _claskeys[i] = k = _Claskey(obj, style)
      return f _claskey(obj, style):
      '''Wrap an old- or new-style class object.
      '''
      i =  id(obj)
      k = _claskeys.get(i, None)
      if not k:
          _claskeys[i] = k = _Claskey(obj, style)
      return k
docs: Wrap an old- or new-style class object.