def _get_class(self, name):
        klass = None
        name = identifier(name)
        try:
            return self._classcache[name]
        except __HOLE__:
            pass
        for mod in self.doc.dtds:
            try:
                klass = getattr(mod, name)
            except AttributeError:
                continue
            if klass:
                self._classcache[name] = klass
                return klass
        raise AttributeError
dataset/ETHPy150Open kdart/pycopia/XML/pycopia/XML/POMparse.py/ContentHandler._get_class