def _get_netengine_backend(self):
<EOL>backend_class_name = self.backend.split('<STR_LIT:.>')[-<NUM_LIT:1>]<EOL>backend_path = self.backend.lower()<EOL>module = import_module(backend_path)<EOL>BackendClass = getattr(module, backend_class_name)<EOL>return BackendClass<EOL>
returns the netengine backend specified in self.backend
for internal use only