Jiri Daněk created PROTON-2091:
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Summary: [python] example broker never removes empty queues
Key: PROTON-2091
URL: https://issues.apache.org/jira/browse/PROTON-2091
Project: Qpid Proton
Issue Type: Bug
Components: python-binding
Affects Versions: proton-c-0.29.0
Reporter: Jiri Daněk
{code:python:title=python/examples/broker.py}
def unsubscribe(self, consumer):
if consumer in self.consumers:
self.consumers.remove(consumer)
return len(self.consumers) == 0 and (self.dynamic or self.queue.count
== 0)
{code}
Here, {{self.queue.count == 0}} can never be {{True}} (because method reference
!= integer). This means that broker will never drop the {{Queue}} object.
Functionality wise, the impact of this is insignificant, given the uses of the
code (stand-in for real broker when running simple messaging examples).
It has compatibility implications, however, because {{self.queue.count}} is a
Python 2.7 addition and on Python 2.6 accessing undefined property will raise
exception and crash the broker.
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