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https://issues.apache.org/jira/browse/QPID-3333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anthony Foglia updated QPID-3333:
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Attachment: 0014-Fix-reference-counting.patch
This is a patch to fix the reference counting when passing objects from C++ to
Python. As described on the mailing list last month
(http://qpid.2158936.n2.nabble.com/Memory-leak-in-QPID-SWIG-Python-Bindings-td7001193.html),
objects returned from the C++ library had one too many references set in the
swig wrapper. This patch fixes that.
Here's some example code run with the patch. (Without the patch, the refcount
is 2, which is incorrect.)
{code}
>>> import cqpid, sys
>>> m = cqpid.Message(content={"foo": [5, 10]})
>>> m.content
{'foo': [5L, 10L]}
>>> sys.getrefcount(m.content)
1
{code}
> Make Python SWIG bindings a drop-in replacement for pure Python
> qpid.messaging package
> --------------------------------------------------------------------------------------
>
> Key: QPID-3333
> URL: https://issues.apache.org/jira/browse/QPID-3333
> Project: Qpid
> Issue Type: Improvement
> Components: C++ Client
> Affects Versions: 0.11, Future
> Reporter: Anthony Foglia
> Assignee: Gordon Sim
> Attachments: 0001-Wrap-NoMessageAvailable-as-Empty-exception.patch,
> 0002-Change-Connection-interface-to-match-pure-python.patch,
> 0003-Change-Session-interface-to-match-pure-python.patch,
> 0004-Change-Receiver-interface-to-match-pure-python.patch,
> 0005-Change-Sender-interface-to-match-pure-python.patch,
> 0006-Change-Message-interface-to-match-pure-python.patch,
> 0007-Handle-connection-options.patch,
> 0008-Fixes-and-more-improvements-to-Message-objects.patch,
> 0009-Wrap-more-exceptions-2011-08-26.patch,
> 0009-Wrap-more-exceptions-2011-08-26.patch,
> 0009-Wrapping-of-more-exceptions.patch,
> 0010-Add-session-property-to-senders-and-receivers.patch,
> 0011-Wrap-returned-UUIDs-as-Python-UUIDs.patch,
> 0012-Add-connection-property-to-Session-object.patch,
> 0012-Add-connection-property-to-Session-object.patch,
> 0013-Handle-amqp-list-and-amqp-map-content.patch,
> 0013-Handle-amqp-list-and-amqp-map-content.patch,
> 0014-Fix-reference-counting.patch,
> 9900-Wrap-qpid-framing-NotAttachedException.patch,
> 9900-Wrap-qpid-framing-NotAttachedException.patch
>
>
> These patches are make the compile Python SWIG bindings to the C++ client
> much closer to a drop-in replacement for the Python qpid.messaging package.
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