def app(): app = App(__name__) app.pipeline = [Pipe1(), Pipe2(), Pipe3()] @app.route() def ok(): return "ok" @app.route() def http_error(): abort(422) @app.route() def error(): raise Exception @app.route(pipeline=[Pipe4()]) def pipe4(): return "4" mod = app.module(__name__, 'mod', url_prefix='mod') mod.pipeline = [Pipe5()] @mod.route() def pipe5(): return "5" @mod.route(pipeline=[Pipe6()]) def pipe6(): return "6" return app