376 lines
13 KiB
ReStructuredText
376 lines
13 KiB
ReStructuredText
oslo.messaging
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==============
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The Oslo messaging API supports RPC and notifications over a number of
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different messsaging transports.
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Contents
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========
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.. toctree::
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:maxdepth: 1
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transport
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target
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server
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rpcclient
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notifier
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notification_listener
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serializer
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exceptions
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opts
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conffixture
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AMQP1.0
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contributing
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Release Notes
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=============
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1.4.0.0a4
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---------
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Changes since 1.4.0.0a3:
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* 1314129_: on python 2.6 use simplejson for better performance
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* 1342088_: fix bogus locking in fake driver
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* Enabled hacking checks H305 and H307
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.. _1314129: https://bugs.launchpad.net/oslo.messaging/+bug/1314129
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.. _1342088: https://bugs.launchpad.net/oslo.messaging/+bug/1342088
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Thanks to Christian Berendt, Ihar Hrachyshka and Nejc Saje for their
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contributions to this release.
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1.4.0.0a3
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---------
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Changes since 1.4.0.0a2:
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* cleanup: replaced 'e.g.' with 'for example'.
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* trollius: fix AMQPListener for polling with timeout.
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* cleanup: fixed pep8 issue E265.
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* docs: remove duplicate docs for MessageHandlingServer.
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* docs: add 'docs' tox environment.
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* cleanup: use assertEqual() instead assertIs() for strings.
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* tests: re-organize the unit tests directory.
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Thanks to Boris Pavlovic, Christian Berendt, Mark McLoughlin,
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Victor Stinner and YAMAMOTO Takashi for their contributions to
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this release.
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1.4.0.0a2
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---------
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Changes since 1.4.0.0a1:
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* docs: fix Notifier instantiation example.
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* docs: cleanup formatting of examples in TransportURL docs.
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* tests: fix slow notification listener unit tests.
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* cleanup: remove unprintable character from source file.
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* python3: replace usage of str() with six.text_type.
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Thanks to Aaron Rosen, Gauvain Pocentek, Mark McLoughlin, Paul Michali
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and Thomas Herve for their contributions to this release.
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1.4.0.0a1
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---------
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Changes since 1.3.0:
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Dependency changes:
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* Newer oslo.config is required (1.2.1, previously 1.2.0)
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* Newer six is required (1.7.0, previously 1.5.2)
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* Hacking 0.9.1 is now required for testing (previously 0.8.0)
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New features:
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* 1282639_: A new 'retry' parameter to control transport reconnection retries in RPC clients and notifiers.
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* 1316891_: TransportURL objects are now hashable.
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* Full support of multiple hosts in transport URLs.
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* Listener.poll() now has an optional timeout parameter in preparion for trollius/asyncio support.
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Bug fixes:
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* 1316681_: Fix the notify method of the routing notifier.
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* 1325750_: Clarify confusing rabbitmq log message if credentials checking fails.
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* 1256345_: Allow setting 'exchange' in the target object used by RPC clients and servers.
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* 1310397_: Enable log messages to handle exceptions containing unicode.
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* 1314129_: Synced jsonutils from oslo-incubator to solve slowness on python 2.6.
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Logging:
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* Initial infrastructure to allow translating log messages.
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* 1321274_: Replace string format arguments with function parameters.
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* 1317950_: Debug level logs should not be translated.
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* 1286306_: Remove str() from LOG.* and exceptions.
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Python3:
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* Removes use of contextlib.nested.
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* 1280033_: Use six rather than the py3kcompat oslo-incubator module.
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Tests:
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* Import run_cross_tests.sh from oslo-incubator.
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* Ensures listener queues exist in fake driver.
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* 1331459_: Disable connection pool in qpid interfaces tests.
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* 1283926_: Fixed the issue for pop exception (rabbit tests race condition).
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RabbitMQ driver:
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* 1261631_: Select AMQP message broker at random.
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Qpid driver:
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* 1318742_: Explicitly name subscription queue for responses.
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* 1300318_: Ensure routing key is specified in the address for a direct producer.
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* 1261631_: Select AMQP message broker at random.
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* 1303890_: Update ensure()/reconnect() to catch MessagingError.
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ZeroMQ driver:
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* 1330460_: Handle unused allowed_remote_exmods in _multi_send.
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* 1332588_: Set correct group for matchmaker_redis options.
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* 1301132_: zmq: switch back to not using message envelopes.
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* Fix passing envelope variable as timeout.
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* 1300539_: Logical error in blockless fanout of zmq.
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* 1301132_: Oslo-messaging-zmq-receiver cannot recive any messages.
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Docs:
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* RPC server doc: use the blocking executor.
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* Cleaned up references to executor specific RPCServer types.
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* Add an example usage of RPCClient retry parameter.
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* Fix typo in docstring of notify/notifier.
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Cleanups:
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* Improve layout of unit test directory.
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* 1327473_: Removes the use of mutables as default args.
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* rabbit/qpid: remove the args/kwargs from ensure().
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* Removes unused config option - allowed_rpc_exception_modules
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* 1323975_: remove default=None for config options
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* Use a for loop to set the defaults for __call__ params
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* Use mock's call assert methods over call_args_list
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* Remove rendundant parentheses of cfg help strings
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* Remove old drivers dead code
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* 1277104_: Trival:Fix assertEqual arguments order
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Thanks to Aaron Rosen, Ala Rezmerita, Andreas Jaeger, Boris Pavlovic,
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ChangBo Guo, Christian Berendt, Davanum Srinivas, Doug Hellmann, Elena
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Ezhova, Eric Guo, Gauvain Pocentek, Gordon Sim, Ihar Hrachyshka, James
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Carey, Jamie Lennox, Joshua Harlow, Li Ma, Mark McLoughlin, Mehdi
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Abaakouk, Numan Siddique, Russell Bryant, Victor Stinner and
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zhangjialong for their contributions to this release.
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.. _1256345: https://bugs.launchpad.net/oslo.messaging/+bug/1256345
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.. _1261631: https://bugs.launchpad.net/oslo.messaging/+bug/1261631
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.. _1277104: https://bugs.launchpad.net/oslo.messaging/+bug/1277104
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.. _1280033: https://bugs.launchpad.net/oslo.messaging/+bug/1280033
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.. _1282639: https://bugs.launchpad.net/oslo.messaging/+bug/1282639
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.. _1283926: https://bugs.launchpad.net/oslo.messaging/+bug/1283926
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.. _1286306: https://bugs.launchpad.net/oslo.messaging/+bug/1286306
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.. _1300318: https://bugs.launchpad.net/oslo.messaging/+bug/1300318
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.. _1300539: https://bugs.launchpad.net/oslo.messaging/+bug/1300539
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.. _1301132: https://bugs.launchpad.net/oslo.messaging/+bug/1301132
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.. _1303890: https://bugs.launchpad.net/oslo.messaging/+bug/1303890
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.. _1310397: https://bugs.launchpad.net/oslo.messaging/+bug/1310397
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.. _1314129: https://bugs.launchpad.net/oslo.messaging/+bug/1314129
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.. _1316681: https://bugs.launchpad.net/oslo.messaging/+bug/1316681
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.. _1316891: https://bugs.launchpad.net/oslo.messaging/+bug/1316891
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.. _1317950: https://bugs.launchpad.net/oslo.messaging/+bug/1317950
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.. _1318742: https://bugs.launchpad.net/oslo.messaging/+bug/1318742
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.. _1321274: https://bugs.launchpad.net/oslo.messaging/+bug/1321274
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.. _1323975: https://bugs.launchpad.net/oslo.messaging/+bug/1323975
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.. _1325750: https://bugs.launchpad.net/oslo.messaging/+bug/1325750
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.. _1327473: https://bugs.launchpad.net/oslo.messaging/+bug/1327473
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.. _1330460: https://bugs.launchpad.net/oslo.messaging/+bug/1330460
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.. _1331459: https://bugs.launchpad.net/oslo.messaging/+bug/1331459
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.. _1332588: https://bugs.launchpad.net/oslo.messaging/+bug/1332588
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1.3.1
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-----
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Changes since 1.3.0:
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* 1318742_: Explicitly name subscription queue for responses.
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* 1300318_: Ensure routing key is specified in the address for a direct producer.
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* 1303890_: Update ensure()/reconnect() to catch MessagingError.
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* 1283926_: Fixed the issue for pop exception (rabbit tests race condition).
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* Ensures listener queues exist in fake driver.
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* Fixes incorrect exchange lock in fake driver
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.. _1283926: https://bugs.launchpad.net/oslo.messaging/+bug/1283926
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.. _1300318: https://bugs.launchpad.net/oslo.messaging/+bug/1300318
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.. _1303890: https://bugs.launchpad.net/oslo.messaging/+bug/1303890
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.. _1318742: https://bugs.launchpad.net/oslo.messaging/+bug/1318742
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Thanks to Alan Pevec, Gordon Sim, Mark McLoughlin, Matt Riedemann,
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Mehdi Abaakouk, Nejc Saje, Numan Siddique and Russell Bryant for their
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contributions to this release.
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1.3.0
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-----
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Changes since 1.3.0a9:
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* Expose PublishErrorsHandler in the public API
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* 1288425_: Add kombu driver library to requirements.txt
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* 1255239_: Add unit tests for the qpid driver
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* 1261631_: Add unit test for Qpid reconnect order
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* 1282706_: Fixed inconsistent eventlet test failures
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* 1297161_: Fixed pep8 failure due to pyflakes bug
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* 1286984_: Build log_handler documentation
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.. _1288425: https://bugs.launchpad.net/oslo.messaging/+bug/1288425
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.. _1255239: https://bugs.launchpad.net/oslo.messaging/+bug/1255239
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.. _1261631: https://bugs.launchpad.net/oslo.messaging/+bug/1261631
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.. _1282706: https://bugs.launchpad.net/oslo.messaging/+bug/1282706
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.. _1297161: https://bugs.launchpad.net/oslo.messaging/+bug/1297161
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.. _1286984: https://bugs.launchpad.net/oslo.messaging/+bug/1286984
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Thanks to Alex Holden, ChangBo Guo, Clint Byrum, Doug Hellmann, Ihar
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Hrachyshka, Lance Bragstad and Numan Siddique for their contributions
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to this release.
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1.3.0a9
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-------
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Changes since 1.3.0a8:
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* 856764_: Handle RabbitMQ consumer cancel notifications
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* 856764_: Slow down RabbitMQ reconnection attempts
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* 1287542_: Fix issue with duplicate SSL config options registered
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.. _856764: https://bugs.launchpad.net/oslo.messaging/+bug/856764
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.. _1287542: https://bugs.launchpad.net/oslo.messaging/+bug/1287542
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Thanks to Chet Burgess, Doug Hellmann and Nicolas Simonds for their
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contributions to this release.
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1.3.0a8
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-------
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Changes since 1.3.0a7:
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* notification_listener_: More notification listener API additions
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* log_handler_: Add notifier log handler
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* 1282038_: Fix Qpid driver regression
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* 1276163_: Fix ExpectedException handling
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* 1261631_: Fix RabbitMQ and Qpid reconnection behaviour
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* 1269890_: Support different RabbitMQ login methods
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* 1277168_: Switch from oslo.sphinx to oslosphinx
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* Convert to oslo.test library
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* Improve configuration help strings
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.. _notification_listener: https://blueprints.launchpad.net/oslo.messaging/+spec/notification-subscriber-server
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.. _log_handler: https://blueprints.launchpad.net/oslo.messaging/+spec/log-handler
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.. _1282038: https://bugs.launchpad.net/oslo.messaging/+bug/1282038
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.. _1276163: https://bugs.launchpad.net/oslo.messaging/+bug/1276163
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.. _1261631: https://bugs.launchpad.net/oslo.messaging/+bug/1261631
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.. _1269890: https://bugs.launchpad.net/oslo.messaging/+bug/1269890
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.. _1277168: https://bugs.launchpad.net/oslo.messaging/+bug/1277168
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Thanks to Andreas Jaeger, Ben Nemec, Dirk Mueller, Doug Hellmann,
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Flavio Percoco, Ihar Hrachyshka, Jeremy Hanmer, Joe Harrison,
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Kurt Griffiths, Lance Bragstad, Mehdi Abaakouk and Xavier Queralt
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for their contributions to this release.
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1.3.0a7
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-------
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Changes since 1.3.0a6:
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* notification_listener_: Add notification listener API
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* 1272271_: Fix regression in RabbitMQ reconnection support
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* 1273455_: Remove use of deprecated stevedore API
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.. _notification_listener: https://blueprints.launchpad.net/oslo.messaging/+spec/notification-subscriber-server
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.. _1272271: https://bugs.launchpad.net/oslo.messaging/+bug/1272271
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.. _1273455: https://bugs.launchpad.net/oslo.messaging/+bug/1273455
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Thanks to Ala Rezmerita, Doug Hellmann and Mehdi Abaakouk for their
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contributions to this release.
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1.3.0a6
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-------
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Changes since 1.3.0a5:
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* 1241566_: Enable sample config file generator include oslo.messaging options
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.. _1241566: https://bugs.launchpad.net/oslo.messaging/+bug/1241566
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Thanks to Andreas Jaeger for his contributions to this release.
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1.3.0a5
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Changes since 1.3.0a3:
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* routing_notifier_: Add a routing notifier
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.. _routing_notifier: http://blueprints.launchpad.net/oslo.messaging/+spec/configurable-notification
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Thanks to Dirk Mueller and Sandy Walsh for their contributions to this
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release.
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1.3.0a3
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-------
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Changes since 1.3.0a2:
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* aliases_: Add transport aliases API
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* 1257293_: Fix duplicate topic messages for Qpid topology=2
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* 1251757_: Fix issue with qpid driver reconnects
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* Add Sample priority to notifier API
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* Remove eventlet related code in amqp driver
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* Significant progress on Python 3 support.
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* Sync some changes from RPC code in oslo-incubator.
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.. _aliases: https://blueprints.launchpad.net/oslo.messaging/+spec/transport-aliases
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.. _1257293: https://bugs.launchpad.net/oslo/+bug/1257293
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.. _1251757: https://bugs.launchpad.net/oslo/+bug/1251757
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Thanks to Chang Bo Guo, Eric Guo, Ihar Hrachyshka, Joe Gordon,
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Kenneth Giusti, Lance Bragstad, Mehdi Abaakouk, Nikhil Manchanda,
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Sandy Walsh, Stanislav Kudriashev, Victor Stinner and Zhongyue Luo for
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their contributions to this release!
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1.3.0a2
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-------
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Changes since 1.3.0a1:
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* logging_and_notification_: Notifications can now be sent using a python logging handler.
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* Notifier.warning() was added as an alias of Notifier.warn().
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* Notifier.audit() has been added.
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* 1178375_: Support a new qpid topology.
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* TransportURL.hosts is no longer a read-only property.
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* MessagingException now behaves more like normal exceptions.
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* Fix sending of notifications.
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* Many internal cleanups.
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.. _logging_and_notification: https://blueprints.launchpad.net/oslo.messaging/+spec/logging-and-notification
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.. _1178375: https://bugs.launchpad.net/oslo/+bug/1178375
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Thanks to Chang Bo Guo, Christian Strack, Julien Danjou, Kenneth Giusti
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and Russell Bryant for their contributions to this release!
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1.2.0a1
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-------
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* Initial release of oslo.messaging_.
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.. _oslo.messaging: https://wiki.openstack.org/wiki/Oslo/Messaging
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Indices and tables
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==================
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* :ref:`genindex`
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* :ref:`modindex`
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* :ref:`search`
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