[ https://issues.apache.org/jira/browse/PROTON-1592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Conway closed PROTON-1592. ------------------------------- Resolution: Won't Fix > [proton-python] accessing properties of event.receiver in on_link_opened > throws exception > ----------------------------------------------------------------------------------------- > > Key: PROTON-1592 > URL: https://issues.apache.org/jira/browse/PROTON-1592 > Project: Qpid Proton > Issue Type: Bug > Components: python-binding > Reporter: Jiri Daněk > Assignee: Alan Conway > Priority: Major > Labels: regression > Fix For: proton-c-0.22.0 > > > Apply the following patch to the {{tx-recv.py}} example > {code} > diff --git a/examples/python/tx_recv.py b/examples/python/tx_recv.py > index 4baddcf5..54f3b489 100755 > --- a/examples/python/tx_recv.py > +++ b/examples/python/tx_recv.py > @@ -40,6 +40,9 @@ class TxRecv(MessagingHandler, TransactionHandler): > self.container.declare_transaction(self.conn, handler=self) > self.transaction = None > > + def on_link_opened(self, event): > + event.receiver.drain_mode = True > + > def on_message(self, event): > print(event.message.body) > self.transaction.accept(event.delivery) > {code} > Now run first {{tx_send.py}}, then this {{tx_recv.py}}. The second command > throws exception > {noformat} > $ LD_LIBRARY_PATH=`pwd`/lib64 PYTHONPATH=`pwd`/lib64/proton/bindings/python > python ../examples/python/tx_recv.py > Traceback (most recent call last): > File "../examples/python/tx_recv.py", line 79, in <module> > Container(TxRecv(opts.address, opts.messages, opts.batch_size)).run() > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/reactor.py", > line 148, in run > while self.process(): pass > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/reactor.py", > line 174, in process > self._check_errors() > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/reactor.py", > line 170, in _check_errors > _compat.raise_(exc, value, tb) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 4068, in dispatch > ev.dispatch(self.handler) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 3977, in dispatch > result = dispatch(handler, type.method, self) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 3857, in dispatch > return handler.on_unhandled(method, *args) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/reactor.py", > line 876, in on_unhandled > event.dispatch(handler) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 3980, in dispatch > self.dispatch(h, type) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 3977, in dispatch > result = dispatch(handler, type.method, self) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 3855, in dispatch > return m(*args) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/handlers.py", > line 298, in on_link_remote_open > self.on_link_opened(event) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/handlers.py", > line 313, in on_link_opened > dispatch(self.delegate, 'on_link_opened', event) > File > "/home/jdanek/Work/repos/qpid-proton/install/lib64/proton/bindings/python/proton/__init__.py", > line 3855, in dispatch > return m(*args) > File "../examples/python/tx_recv.py", line 44, in on_link_opened > event.receiver.drain_mode = True > AttributeError: 'NoneType' object has no attribute 'drain_mode' > {noformat} > To see this is a regression, repeat now with python-qpid-proton 0.17.0 from > Pypi. With this previous release, there is success. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@qpid.apache.org For additional commands, e-mail: dev-h...@qpid.apache.org