Jiri Danek created PROTON-1592: ---------------------------------- Summary: [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 Danek
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) {noformat} 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 (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@qpid.apache.org For additional commands, e-mail: dev-h...@qpid.apache.org