Class CustomInvoker

python/tests/proton_tests/handler.py:81–85

                self.did_custom = True

        class CustomInvoker(CustomHandler):
            def on_reactor_init(self, event):
                h = event_root(event)
                event.dispatch(h, CUSTOM)
                self.did_init = True

        child = CustomInvoker()
        root = CustomHandler(child)