@property
    def copy_url(self):
        return None
Register the handler of tunnel up
dataset/ETHPy150Open divio/django-cms/cms/models/pluginmodel.py/CMSPlugin.copy_url--crossover with--dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvin_proto.py/CalvinTunnel.register_tunnel_up