CHANGES
=======

16.1.2
------

* Fix RabbitMQ TLS hostname verification

16.1.1
------

* rabbit: Fix ignored PreconditionFailed error
* Fix Queue Manager in podman containerised env
* Do not un-patch threading
* Update TOX\_CONSTRAINTS\_FILE for stable/2025.1
* Update .gitreview for stable/2025.1

16.1.0
------

* Skip installation to speed up pep8
* Fixed: use self.start\_time in QManager shm
* Added Docs for Simulator
* rabbit: validate input for retry options

16.0.0
------

* Deprecate the Eventlet executor
* Remove deprecated aliases of notification options
* Remove remaining functional test code for AMQP1 driver
* Fix outdated job description
* rabbit: Clean up deprecated options
* rabbit: Fix wrong section to render connection pool options
* kafka: Remove unused connection pool options
* Remove pyngus from dependencies
* Add a kombu\_reconnect\_splay setting
* Revert "Remove explicit pbr dependency"
* reno: Update master for unmaintained/2023.1

15.0.0
------

* Remove deprecated AMQP1 driver
* Remove explicit pbr dependency
* Add note about requirements lower bounds
* Skip grenade job on doc updates
* Skip functional tests on pre-commit config update
* Run pyupgrade to clean up Python 2 syntaxes
* pre-commit: Bump versions
* Remove Python 3.8 support
* [rabbit] Ignore stream offset header when stream queue is not used
* Declare Python 3.12 support
* Use oslo.utils implementation to parse/escape server address
* Add a note about quorum and stream queues
* Fix queue\_manager in a containerized environment
* Update master for stable/2024.2
* [doc] Better document rabbit\_transient\_queues\_ttl option
* Use more sensible "default" for [oslo\_messaging\_rabbit] processname
* doc: Fix rendering in the Notifier reference
* Remove comment reference to removed function

14.9.0
------

* Reduce log level to DEBUG for new messages
* Deprecate the option heartbeat\_in\_pthread
* Add RPC incoming and reply log

14.8.1
------

* Handle NotFound exception when declaring a queue
* rabbit: Make PreconditionFailed warning log more informative

14.8.0
------

* reno: Update master for unmaintained/zed
* Remove old excludes
* Make oslo.messaging, magnum, and zaqar reproducible
* Fix incorrect desc of rabbit\_stream\_fanout option
* Update master for stable/2024.1
* reno: Update master for unmaintained/xena
* reno: Update master for unmaintained/wallaby
* reno: Update master for unmaintained/victoria
* kafka: Fix invalid hostaddr format for IPv6 address
* Use StopWatch timer when waiting for message
* Restore read stream queues from last known offset

14.7.0
------

* Display coverage report
* reno: Update master for unmaintained/yoga
* Display the reply queue's name in timeout logs
* Bump hacking (again)
* Bump hacking
* Remove scenario 03/04 tests from CI
* Drop unused function from scenario test script
* Utilize the new RequestContext redacted\_copy method
* cleanup amqp1 scenarios remnants setups
* Add an option to use rabbitmq stream for fanout queues
* Update the python search path for extra qdrouter modules
* Update python classifier in setup.cfg

14.6.0
------

* Remove translation sections from setup.cfg
* Fix clearing of the fake RPC Exchange
* Add QManager to amqp driver
* Enable use of quorum queues for transient messages
* Auto-delete the failed quorum rabbit queues
* Allow creating transient queues with no expire

14.5.0
------

* Add some logs when sending RPC messages
* Move integration jobs to Ubuntu 22.04 (Jammy)
* Imported Translations from Zanata
* test py311 job
* Add is\_admin to safe fields list for notifications
* Update master for stable/2023.2

14.4.0
------

* Add Python3 antelope unit tests
* Only allow safe context fields in notifications
* Set default heartbeat\_rate to 3
* Imported Translations from Zanata
* Bump bandit and make oslo.messaging compatible with latest rules

14.3.1
------

* Increase ACK\_REQUEUE\_EVERY\_SECONDS\_MAX to exceed default kombu\_reconnect\_delay

14.3.0
------

* Disable greenthreads for RabbitDriver "listen" connections
* Update master for stable/2023.1
* Fix typo in quorum-related variables for RabbitMQ

14.2.0
------

* Support overriding class for get\_rpc\_\* helper functions
* tox cleanups

14.1.0
------

* Implement get\_rpc\_client function
* Warn when we force creating a non durable exchange
* Deprecate the amqp1 driver and Remove qpid functional tests
* Update master for stable/zed

14.0.0
------

* Change default value of "heartbeat\_in\_pthread" to False
* Remove logging from ProducerConnection.\_produce\_message

13.0.0
------

* update hacking pin to support flake8 3.8.3
* Drop python3.6/3.7 support in testing runtime

12.14.0
-------

* Add EXTERNAL as rabbit login method
* Add quorum queue control configurations
* Bump bandit
* tests: Fix test failures with kombu >= 5.2.4
* Add Python3 zed unit tests
* Update master for stable/yoga

12.13.0
-------

* Adding support for rabbitmq quorum queues

12.12.0
-------

* [rabbit] use retry parameters during notification sending
* Update python testing classifier
* Force creating non durable control exchange when a precondition failed
* Reproduce bug 1917645

12.11.1
-------

* amqp1: fix race when reconnecting
* Add a new option to enforce the OpenSSL FIPS mode

12.11.0
-------

* Remove deprecation of heartbeat\_in\_pthread

12.10.0
-------

* rabbit: move stdlib\_threading bits into \_utils
* Add Python3 yoga unit tests
* Update master for stable/xena
* use message id cache for RPC listener

12.9.1
------

* amqp1: Do not reuse \_socket\_connection on reconnect
* amqp1: re-organize TestFailover to be reused by TestSSL
* Revert "Disable AMQP 1.0 SSL unit tests"

12.9.0
------

* limit maximum timeout in the poll loop
* Add Support For oslo.metrics
* Changed minversion in tox to 3.18.0
* Upgrade the pre-commit-hooks version
* setup.cfg: Replace dashes with underscores
* Remove the oslo\_utils.fnmatch

12.8.0
------

* Remove references to 'sys.version\_info'
* Fix formatting of release list
* Move flake8 as a pre-commit local target
* Add Python3 xena unit tests
* Update master for stable/wallaby

12.7.1
------

* Remove lower constraints
* Correctly handle missing RabbitMQ queues

12.7.0
------

* Deprecate the mandatory flag

12.6.1
------

* remove unicode from code
* Remove six
* Fix type of direct\_mandatory\_flag opt
* Dropping lower constraints testing
* Move jobs to py38
* fix variable name
* Fix doc title rendering
* Use TOX\_CONSTRAINTS\_FILE
* Use py3 as the default runtime for tox

12.6.0
------

* Python 3.9: isAlive is removed
* add min of 1 to rpc\_conn\_pool\_size
* Adding pre-commit
* Add Python3 wallaby unit tests
* Update master for stable/victoria

12.5.0
------

* [goal] Migrate testing to ubuntu focal

12.4.0
------

* Run rabbitmq heartbeat in python thread by default
* Add a ping endpoint to RPC dispatcher

12.3.0
------

* Cancel consumer if queue down
* Bump bandit version

12.2.2
------

* Move legacy grenade jobs to Zuul v3
* Catch ConnectionForced Exception

12.2.1
------

* tests: Resolves issues with kombu > 4.6.8
* Simplify tools/test-setup.sh
* Drop a python 2 exception management
* Fix pygments style
* bindep: Add 'librdkafka-dev' dependency

12.2.0
------

* Fix hacking min version to 3.0.1
* Switch to newer openstackdocstheme and reno versions
* Remove the unused coding style modules
* Print warning message when connection running out
* Remove six usage
* Remove monotonic usage
* Align contributing doc with oslo's policy
* Bump default tox env from py37 to py38
* Add py38 package metadata
* Add release notes links to doc index
* Imported Translations from Zanata
* Add Python3 victoria unit tests
* Update master for stable/ussuri
* Fix some typos

12.1.0
------

* Update hacking for Python3

12.0.0
------

* Remove the deprecated blocking executor
* remove outdated header
* reword releasenote for py27 support dropping
* Setup backend scenarios for functional tests

11.0.0
------

* [ussuri][goal] Drop python 2.7 support and testing
* Don't log NoSuchMethod for special non-existing methods
* Add support for kafka SSL autentication
* Adding debug logs on AMQPListener poll
* tox: Trivial cleanup

10.5.0
------

* Ignore releasenote cache within git untracked files
* Do not use threading.Event
* Removed unused variable pools

10.4.1
------

* Revert "Add RPC incoming and reply log"
* Remove telemetry checks

10.4.0
------

* Migrate grenade jobs to py3
* Make sure minimum amqp is 2.5.2

10.3.0
------

* Remove unused variable WAKE\_UP
* Switch to Ussuri jobs
* tox: Keeping going with docs
* Add RPC incoming and reply log
* Modify some comments to make them clickable
* Fix spacing in help message
* Update the constraints url
* Align message serialization between drivers
* Update master for stable/train
* Fix help text for heartbeat\_in\_pthread option

10.2.0
------

* Add the mandatory flag for direct send

10.1.0
------

* Introduce RabbitMQ driver documentation
* Allow users run the rabbitmq heartbeat inside a standard pthread
* Fix nits on kafka compression help text

10.0.0
------

* Correcting typo in acknowledge spelling
* Bump the openstackdocstheme extension to 1.20

9.8.0
-----

* Add Python 3 Train unit tests
* Blacklist sphinx 2.1.0 (autodoc bug)
* Use default exchange for direct messaging
* doc: Cleanup admin docs
* Implement mandatory flag for RabbitMQ driver
* Implement the transport options
* Add the "transport\_options" parameter to the amqp1 and kafka drivers
* Support kafka message compression
* fix typos
* Add transport\_options parameter
* Download kafka from archive.apache.org

9.7.2
-----


9.7.1
-----

* Add thread name to the RabbitMQ heartbeat thread
* Add help msg to payload for CLI notifier

9.7.0
-----

* Cap Bandit below 1.6.0 and update Sphinx requirement
* Fix switch connection destination when a rabbitmq cluster node disappear
* Replace git.openstack.org URLs with opendev.org URLs
* Remove log translation and i18n

9.6.0
-----

* OpenDev Migration Patch
* Dropping the py35 testing
* Consider the topic parameter as an array in client-notify
* Handle collections.abc deprecations
* Retry to declare a queue after internal error
* Unmark RabbitMQ heartbeat as experimental
* Replace openstack.org git:// URLs with https://
* Explain why Listener connections cannot be pooled
* Update master for stable/stein
* Clarify the documentation for pooled Notification Listeners
* Update messaging intermediaries for amqp1 tests

9.5.0
-----

* Handle unexpected failures during call monitor heartbeat
* add python 3.7 unit test job
* Mark telemetry tests nv and remove from gate
* Bump amqp requirement version to >=2.4.1
* Change python3.5 job to python3.7 job on Stein+

9.4.0
-----

* Bump amqp requirement version to >= 2.4.0
* Kafka driver deployment guide
* Update hacking version

9.3.1
-----

* Avoid unnecessary use of items()

9.3.0
-----

* Update mailinglist from dev to discuss
* Switch driver to confluent-kafka client library
* Don't use monotonic with Python >=3.3

9.2.1
-----

* Use ensure\_connection to prevent loss of connection error logs

9.2.0
-----

* Add a test for rabbit URLs lacking terminating '/'

9.1.1
-----

* Use '/' for the vhost if the transport\_url has no trailing '/'

9.1.0
-----

* Using pip as a python module
* doc: Remove crud from conf.py file
* Clean up .gitignore references to personal tools
* Allow transport\_url initialization in ConfFixture constructor

9.0.1
-----

* Fix oslo.messaging default transport
* always build universal wheels
* Use default exchange for direct messaging

9.0.0
-----

* Refactor GetTransportSadPathTestCase
* Add release note about deprecated option removals
* Remove rpc\_backend and ConfFixture.transport\_driver
* Remove deprecated rabbit options
* Use templates for cover and lower-constraints
* Remove deprecated amqp1 options
* Remove rabbit\_durable\_queues deprecated option
* Remove default\_{host,port} deprecated options
* Remove the deprecated ZeroMQ driver
* Fix the coverage tox tests
* Avoid logging passwords on connection events
* add lib-forward-testing-python3 test job
* add python 3.6 unit test job
* import zuul job settings from project-config
* Call listener stop only if listener is initialized
* Update reno for stable/rocky
* Remove setting of DEVSTACK\_GATE\_EXERCISES

8.1.0
-----

* Bump py-amqp to >= 2.3.0
* Issue blocking ACK for RPC requests from the consumer thread

8.0.0
-----

* Do not access the connection's socket during error callback
* Fix debug log message - missing argument
* py37: deal with Exception repr changes
* py37: drop use of 'async' as parameter name
* Remove transport aliases support
* Moving stestr to correct package order in test-requirements.txt
* Switch to stestr
* No longer allow redundant calls to server start()
* Fix the bandit security linter test

7.0.0
-----

* Replace 'raise StopIteration' with 'return'
* Remove fake\_rabbit configuration option
* Add release notes link to README
* Add ZeroMQ deprecation release note

6.5.0
-----

* Fix oslo messaging gating
* Enable RPC call monitoring in AMQP 1.0 driver
* Mark the ZeroMQ driver deprecated

6.4.1
-----

* fix tox python3 overrides
* Add warning output if failed to rebuild exception when deserialize
* Correct usage of transport\_url in example

6.4.0
-----

* Add ConfFixture.transport\_url

6.3.0
-----

* Convert legacy zuul jobs to v3
* [rabbitmq] Implement active call monitoring
* Make oslo.messaging-devstack-amqp1 job non-voting
* Remove stale pip-missing-reqs tox test
* Add a skeleton for a v3-native devstack job
* Add heartbeat() method to RpcIncomingMessage
* Trivial: Update pypi url to new url
* Add kafka for python 3 functional test

6.2.0
-----

* Move requirements for the optional drivers (amqp1, kafka)
* set default python to python3
* fix lower constraints and uncap eventlet

6.1.0
-----

* Revert "rabbit: Don't prefetch when batch\_size is set"
* Update kafka and dsvm jobs
* add lower-constraints job
* remove zmq tests
* Updated from global requirements

6.0.0
-----

* Remove the deprecated Pika driver
* update configuration for qdrouter v1.0.0
* Updated from global requirements
* Add restart() method to DecayingTimer

5.36.0
------

* Imported Translations from Zanata
* Add rabbitmq-server for platform:rpm into bindep.txt
* Restore devstack project name in amqp1 test
* Switch from pip\_missing\_reqs to pip\_check\_reqs
* Add kafka config options for security (ssl/sasl)
* Zuul: Remove project name
* Modify grammatical errors
* Fixed telemetry integration zuul jobs
* Zuul: Remove project name
* Updated from global requirements
* Imported Translations from Zanata
* Update reno for stable/queens
* Updated from global requirements
* Imported Translations from Zanata
* Add support for synchronous commit
* Update telemetry integration playbooks
* Follow the new PTI for document build

5.35.0
------

* Add kafka driver vhost emulation
* Updated from global requirements
* Create doc/requirements.txt
* Update kafka functional test
* Imported Translations from Zanata
* Updated from global requirements

5.34.1
------

* Imported Translations from Zanata
* Avoid tox\_install.sh for constraints support
* rabbitmq: don't wait for message ack/requeue
* Provide bindep\_profile in openstack-tox job setup
* Updated from global requirements
* Add zmq packages that are no longer in bindep-fallback
* don't convert generator to list unless required
* sort when using groupby

5.34.0
------

* Remove setting of version/release from releasenotes
* Updated from global requirements
* Updated from global requirements
* Catch socket.timeout when doing heartbeat\_check
* Updated from global requirements
* fix batch handling
* Remove stable/newton from zuul settings
* Zuul: add file extension to playbook path

5.33.1
------

* Move legacy zuulv3 tests into oslo.messaging repo
* Imported Translations from Zanata
* Flesh out transport\_url help
* Fix typo in contributor docs title

5.33.0
------

* Fix default value of RPC dispatcher access\_policy
* Fix wrong transport warnings in functional tests
* Updated from global requirements

5.32.0
------

* Updated from global requirements
* Warn when wrong transport instance is used
* Fix some reST field lists in docstrings
* Remove pbr version from setup.py
* Suppress excessive debug logs when consume rabbit
* Fix use of print function on python3

5.31.0
------

* Remove envelope argument from driver send() interface
* Imported Translations from Zanata
* Updated from global requirements
* Update amqp 1.0 driver deployment guide
* Prevent rabbit from raising unexpected exceptions
* Updated from global requirements
* Remove unnecessary setUp function in testcase
* Add licenses and remove unused import in doc/source/conf.py
* Ensure RPC endpoint target attribute is correct
* Fix a typo
* Update links in README
* Updated from global requirements
* Class-level \_exchanges in FakeExchangeManager
* fix 'configration' typo
* Update reno for stable/pike
* Add support for virtual hosts
* Remove the test that counts kombu connect calls

5.30.0
------

* Updated from global requirements
* Update URLs in documents according to document migration
* Add monkey\_patch to demo code

5.29.0
------

* switch from oslosphinx to openstackdocstheme
* update the docs url in the readme
* rearrange content to fit the new standard layout
* Updated from global requirements
* Enable some off-by-default checks

5.28.0
------

* Updated from global requirements
* Add kafka\_driver directory

5.27.0
------

* Updated from global requirements
* Fix html\_last\_updated\_fmt for Python3
* Add note for blocking executor deprecation
* Fix rabbitmq driver with blocking executor
* Build universal wheels
* Updated from global requirements
* Fix serializer tests
* deprecated blocking executor

5.26.0
------

* Updated from global requirements
* Clean up the TransportURL documentation
* Mark the Pika driver as deprecated

5.25.0
------

* Updated from global requirements
* Updated from global requirements
* Add missing {posargs:} to AMQP 1.0 functional tests
* rabbit: restore synchronous ack/requeue

5.24.2
------

* Updated from global requirements
* [AMQP 1.0] Properly shut down test RPC server

5.24.1
------

* Updated from global requirements
* Fix the amqp1 SSL test CA certificate
* Add get\_rpc\_transport call
* Disable AMQP 1.0 SSL unit tests

5.24.0
------


5.23.0
------

* Fix notification tests not unmocking logging
* Remove use of mox stubs
* Fix aliases deprecation
* tests: fix MultiStrOpt value
* Retry support for oslo\_messaging\_notifications driver

5.22.0
------

* [AMQP 1.0] Add default SASL realm setting
* Updated from global requirements
* Remove usage of parameter enforce\_type

5.21.0
------

* Optimize the link address
* [AMQP 1.0] if RPC call is configured as presettled ignore acks
* Mock 'oslo\_messaging.notify.\_impl\_routing.LOG' in notifier tests
* Updated from global requirements
* Add "ssl" option for amqp driver
* Refactor logic of getting exector's executor\_thread\_pool\_size
* remove all kombu<4.0.0 workarounds

5.20.0
------

* serializer: remove deprecated RequestContextSerializer
* Try to fix TestSerializer.test\_call\_serializer failed randomly
* Updated from global requirements
* Deprecate username/password config options in favor of TRANSPORT\_URL
* Add HACKING.rst
* Break user credentials from host at the rightmost '@'
* [zmq] Prevent access to rpc\_response\_timeout
* [zmq] pass a dummy TransportURL to register\_opts
* Fix simulator's use of Notifier - use 'topics' not 'topic'
* Trivial: Add executor 'threading' in docstring
* Deprecate parameter aliases
* Use Sphinx 1.5 warning-is-error
* tox: Build docs with Python 2.7

5.19.0
------

* Updated from global requirements
* Remove self.mox
* Move decorator updated\_kwarg\_default\_value to right place

5.18.0
------

* Remove old messaging notify driver alias
* [Fix gate]Update test requirement
* Updated from global requirements
* Allow checking if notifier is enabled
* RabbitMQ: Standardize SSL parameter names
* drop topic keyword from Notifier
* Validate the transport url query string
* drivers: use common.ConfigOptsProxy everywhere
* Stop using oslotest.mockpatch
* tests: don't run functional tests in parallel
* rabbit: make ack/requeue thread-safe
* Fix releasenotes
* Remove mox3 from test-requirements.txt
* Updated from global requirements
* [zmq] Update configurations documentation
* Fix type of the kafka\_consumer\_timeout option
* [zmq] Dynamic connections send failure
* support kombu4
* Test:Use unittest.mock on Python 3
* Fix the typo
* pbr.version.VersionInfo needs package name (oslo.xyz and not oslo\_xyz)
* [zmq] Properly analyse \`use\_dynamic\_connections\` option
* [zmq] Dummy add value aging mechanism
* kafka: skip multiple servers tests
* kafka: ensure topics are created
* kafka: fix python3 exception
* kafka: Remove testing hack for kafka
* [zmq] Failure of dynamic connections fanout
* Update reno for stable/ocata
* Return list of addresses for IPV4 and IPV6

5.17.0
------

* [zmq] Dynamic connections failover
* [zmq] Fix py35 gate
* [zmq] Use more stable configuration in voting job
* Remove references to Python 3.4
* [AMQP 1.0] Fix SSL client authentication
* [zmq] Support py35 testenv
* [zmq] Distinguish Round-Robin/Fanout socket sending mode
* tests: cleanup monkey path
* [AMQP 1.0] Resend messages that are released or modified
* gate: Remove useless files
* [zmq] Redis TTL for values
* eventlet is no more a hard dependency
* [AMQP 1.0] Propagate authentication errors to caller
* ensure we set channel in lock
* tox: use already installed kafka if present
* kafka: remove no really implemented feature
* kafka: return to poller when timeout is reach
* kafka: Don't hide unpack/unserialize exception
* kafka: timeout is in milliseconds
* kafka: disable batch for functional tests
* kafka: Remove Producer singleton
* Moving driver to new kafka-python version
* tox: rename zeromq target
* tests: make rabbit failover failure more helpful
* [zmq] Refactor make \`zmq\_address.target\_to\_key\` a universal method
* Updated from global requirements
* [zmq] Restore static direct connections
* reject when skipping failed messages
* fix one typo
* [AMQP 1.0] Setup the amqp1 test environment on ubuntu
* test\_rabbitmq: remove dead code

5.16.0
------

* Updated from global requirements
* Replace mox with mock
* tests: fix test-setup.sh
* tests: remove useless debug
* [rabbit] Log correct topic on cast/call

5.15.0
------

* Updated from global requirements
* kafka separate unit/functionnal tests
* Add bindep.txt/test-setup.sh to prepare the system
* [zmq] Matchmaker redis available time

5.14.0
------

* [AMQP 1.0] Simplify the I/O event loop code
* [zmq] Support message versions for rolling upgrades
* [zmq] Fix non voting gate jobs
* Fix transport url with empty port
* Remove ordering assumption from functional test
* Periodically purge sender link cache

5.13.0
------

* Remove small job timeout
* Register opts if we're going to check conf.transport\_url in parse()
* [doc] Fix three typos
* [zmq] Fix zmq-specific f-tests from periodic hangs
* [zmq] Fix functional gates proxy/pub-sub
* Show team and repo badges on README
* [zmq] Send fanouts without pub/sub in background
* Use assertGreater(len(x), 0) instead of assertTrue(len(x) > 0)
* Add Constraints support
* Replace six.iteritems() with .items()
* [zmq] Fix configuration for functional gate job
* Document the transport backend driver interface
* Fix a docstring typo in impl\_pika.py
* [sentinel] Move master/slave discovering from \_\_init\_\_
* rabbit: on reconnect set socket timeout after channel is set
* Updated from global requirements
* [zmq] Don't create real matchmaker in unit tests
* update srouce doc pika\_driver.rst the charactor then to than
* Remove useless logging import statements
* rabbit: Avoid busy loop on epoll\_wait with heartbeat+eventlet
* [zmq] Refactor receivers
* [zmq] Cleanup changes to zmq-specific f-tests
* Updated from global requirements
* This patch cleans up the 'notification\_listener.rst' documetion by removing some class which don't exist and adding some function which exist in current source
* Remove nonexistent functions from documentation
* Replace retrying with tenacity

5.12.0
------

* Updated from global requirements
* Updated from global requirements
* Remove the temporary hack in code
* Using assertIsNone() instead of assertEqual(None)
* Change assertTrue(isinstance()) by optimal assert
* [zmq] Don't fallback to topic if wrong server specified
* [TrivialFix] Replace old style assertions with new style assertions
* [TrivialFix] Fix typo in oslo.messaging
* [simulator] Fix transport\_url usage
* [simulator] Fix a message length generator usage
* Update .coveragerc after the removal of respective directory
* [sentinels] Fix hosts extracting and slaves usage
* [zmq] SUB-PUB local proxy

5.11.0
------

* Fix typos in addressing.py and setup.cfg
* Updated from global requirements
* Record length of queues for ReplyWaiters
* rabbit: Don't prefetch when batch\_size is set
* [AMQP 1.0] Avoid unnecessary thread switch on ack
* [zmq] Fix issues with broken messages on proxies
* [zmq] Maintain several redis hosts
* Removed redundant 'the'
* Fix a typo in server.py
* [document] The example which is written in the developer guide of 'Notification Listener' doesn't work
* Enable release notes translation
* cast() and RPC replies should not block waiting for endpoint to ack
* [simulator] Automatic stopping of rpc-servers
* Fix whitespace formatting issue
* Properly deserializes built-in exceptions
* [zmq] Fix send\_cast in AckManager
* Remove debug logs from fast path
* [zmq] Routing table refactoring, dynamic direct connections
* Fix simulator bool command line args
* Replace 'the' with 'to' in docstring
* Remove default=None when set value in Config
* [zmq] Add acks from proxy for PUB/SUB messages
* [zmq] Refactor consumers and incoming messages
* [zmq] Make second ROUTER socket optional for proxy
* Use method fetch\_current\_thread\_functor from oslo.utils
* [zmq] Fix ZmqSocket.send\_string
* [zmq] Remove unused methods from executors
* [zmq] Added a processing to handle ImportError in Redis plugin of Matchmaker
* modify the home-page info with the developer documentation
* Set the valid choices for the rabbit login methods
* [zmq] Unify delimeters
* [zmq] Fix fanout without PUB/SUB
* [zmq] Send immediate ack after message receiving
* Corrects documentation typo
* [zmq] Remove unnecessary subscriptions from SubConsumer
* Fixups to the inline documentation
* Fix consuming from unbound reply queue
* Add configurable serialization to pika
* [zmq] Remove ZmqSocket.close\_linger attribute
* [zmq] Make ZMQ TCP keepalive options configurable
* [zmq] Fix TestZmqAckManager periodic failure
* [zmq] Make ThreadingPoller work with ZmqSocket
* Fix notify filter when data item is None
* [zmq] Rename rpc\_cast\_timeout option
* [AMQP 1.0] Update setup test environment dispatch router backend
* Allow dispatcher to restrict endpoint methods
* [AMQP 1.0] Add Acknowledgement and Batch Notification Topics
* Update reno for stable/newton
* [kafka] invoke TypeError exception when 'listen()' method of KafkaDriver is called
* [zmq] Proxy has to skip broken multi-part message
* Add Documentation String for PikaDriver
* [zmq] Implement retries for unacknowledged CALLs

5.10.0
------

* [AMQP 1.0] Make the default settlement behavior configurable
* [zmq] Eliminate GreenPool from GreenPoller
* Avoid sending cast after server shutdown in functional test
* [zmq] Update ZMQ-driver documentation
* Updated from global requirements

5.9.0
-----

* [zmq] Add --log-file option to zmq-proxy
* Updated from global requirements
* [zmq] Host name and target in socket identity

5.8.0
-----

* [zmq] Make zmq\_immediate configurable
* Fix calculating of duration in simulator.py
* [zmq] Redis unavailability is not critical
* [zmq] Discover new publisher proxy
* Clean outdated docstring and comment
* [AMQP 1.0] small fixes to improve timer scalability
* Add docstring for get\_notification\_transport
* Add warning when credential is not specified for each host
* Updated from global requirements
* [zmq] Implement retries for unacknowledged CASTs
* Fix the help info format

5.7.0
-----

* Move zmq driver options into its own group
* Log a warning when connected to a routable message bus
* Updated from global requirements
* [AMQP 1.0] Add link credit configuration options
* Updated from global requirements
* [AMQP 1.0] AMQP 1.0 Driver User Guide Document update
* AMQP 1.0 Driver Architecture Overview Document
* Remove the max\_send\_retries option

5.6.0
-----

* Fix pika functional tests
* [zmq] Use zmq.IMMEDIATE option for round-robin
* fix a typo in impl\_rabbit.py
* Updated from global requirements
* [AMQP 1.0] Cancel response treatment for detached link
* Fix syntax error on notification listener docs
* Delete fanout queues on gracefully shutdown
* Set the default link property to allow message acks
* Properly cleanup listener and driver on simulator exit
* Fix a timer leak in the AMQP 1.0 driver
* [zmq] Let proxy serve on a static port numbers
* Introduce TTL for idle connections
* Fix parameters of assertEqual are misplaced
* Fix misstyping issue
* Updated from global requirements
* Updated from global requirements
* notify: add a CLI tool to manually send notifications
* Add deprecated relnote for max\_retries rabbit configuration option
* [zmq] Add py34 configuration for functional tests
* [zmq] Merge publishers
* Add Python 3.5 classifier and venv
* Replace assertEqual(None, \*) with assertIsNone in tests
* Updated from global requirements
* [zmq] Use json/msgpack instead of pickle
* [AMQP 1.0] Add configuration parameters for send message deadline
* [zmq] Refactor publishers
* Re-factor the AMQP 1.0 addressing semantics
* Add Python 3.4 functional tests for AMQP 1.0 driver
* tests: allow to override the functionnal tests suite args
* [zmq] Additional configurations for f-tests
* Remove discover from test-requirements
* tests: rabbitmq failover tests
* [AMQP 1.0] Add acknowledge and requeue handling for incoming message
* Imported Translations from Zanata
* Updated from global requirements
* Remove rabbitmq max\_retries
* Config: no need to set default=None

5.5.0
-----

* [zmq] Fix message sending when using proxy and not using PUB/SUB
* AMQP 1.0 - create only one Cyrus SASL configuration for the tests
* Updated from global requirements
* Refactor AMQP 1.0 command task to support timers
* [zmq] Remove redundant Envelope class
* [zmq] Properly stop ZmqServer
* Refactor link management to support link recovery
* [Trival] fix a typo nit
* [zmq] Fix backend router port for proxy

5.4.0
-----

* [zmq] Remove unused Request.close method
* Add query paramereters to TransportURL
* Fix temporary problems with pika unit tests
* [zmq] Periodic updates of endpoints connections

5.3.0
-----

* Improve the impl\_rabbit logging
* Modify info of default\_notification\_exchange
* Imported Translations from Zanata
* [zmq] Remove rpc\_zmq\_concurrency option
* [zmq] Fix timeout in ThreadingPoller.poll
* Fix typo: 'olso' to 'oslo'
* Updated from global requirements
* [zmq] Don't skip non-direct message types
* [zmq] Refactoring of zmq client
* [impl\_rabbit] Remove deprecated get\_expiration method

5.2.0
-----

* Updated from global requirements
* [AMQP 1.0] Randomize host list connection attempts
* Modify the TransportURL's docstrings
* Fix problems after refactoring RPC client
* deprecate usage of transport aliases
* Documents recommended executor
* kafka: Deprecates host, port options
* Updated from global requirements
* Add reno for releasenotes management
* Remove logging from serialize\_remote\_exception
* [kafka] Add several bootstrap servers support
* Add the proper branch back to .gitreview
* Fix consuming from missing queues
* Fix bug with version\_cap and target.version in RPCClient
* Make TransportURL.parse aware of transport\_url
* rabbit: Deprecates host, port, auth options
* Remove deprecated localcontext
* zeromq: Deprecates host, port options
* Reorganize the AMQP 1.0 driver source files
* Implements configurable connection factory
* The need to wait for a given time is no longer valid in 3.2+
* [zmq] Reduce object serialization on router proxy
* Updated from global requirements
* [zmq] Add backend ROUTER to increase bandwidth
* [zmq] Add Sentinel instructions to deployment guide
* Rabbit driver: failure of rpc-calls with float timeout

5.1.0
-----

* Use eventletutils to check is\_monkey\_patched
* remove feature branch from master .gitreview
* [zmq] Second router proxy doesn't dispatch messages properly
* Add parse.unquote to transport\_url
* Fix simulator stat printing
* Use single producer and to avoid an exchange redeclaration
* [zmq] Redesign router proxy
* Add feature branch to .gitreview file
* Remove Beta development status from classifiers

5.0.0
-----

* Updated from global requirements
* Fixes sumulator.py signal\_handler logic
* Refactor RPC client
* Send notify if notify=True passed
* Improves exception handling and logging
* Implements pika thread safe connection
* Fix incorrect parameters order in assertIn call
* Update the RPC cast() documentation
* Fix unstable work of cast func tests
* [zmq] Reduce threading from python proxy
* Imported Translations from Zanata
* use thread safe fnmatch
* Refactor base interfaces
* Gracefully handle missing TCP\_USER\_TIMEOUT
* Simulator: handle SIGINT and SIGTERM signals
* Updated from global requirements
* Log the unique\_id in listener than msg\_id
* serializer: deprecate RequestContextSerializer
* Don't set html\_last\_updated\_fmt without git
* Amqp driver send method temporary work-around
* Updated from global requirements
* Updated from global requirements
* Allow simulator to be launched from arbitrary directory
* [zmq] Fix cast message loss in simulator
* Make transport\_url config option secret
* Fix oslo.messaging for Mac OS X
* Refactor driver's listener interface
* [kafka] Do not remove kafka\_client during reset
* Updated from global requirements
* Replace expriration\_time by timer
* [zmq] Reduce number of connections
* Move server related logic from dispatchers
* Fix typos in Oslo.messaging files
* Fix Break in Windows platforms
* [py34] replace file() with open()
* Claim python3 compatability for Newton onwards
* Simulator: collect error stats
* Simulator: make parameter wait\_after\_msg float
* Update CheckForLoggingIssues hacking rule from keystone
* Simulator: align stats to whole seconds
* Support python3 in simulator.py
* Fix typo passend should be passenv
* Always set all socket timeouts
* Add a py34 functional test for rabbit
* Small fixes
* Use only unique topics for the Kafka driver
* [zmq] Refactoring consumer side
* [Kafka] Ensure a topics before consume messages
* Fix problems during unstable network
* Missing version parameter in can\_send\_version()
* Bump rabbit\_transient\_queues\_ttl to 30 mins
* Explicitly exclude tests from bandit scan
* Fix Notification listener blocking behavior
* Pika: fix sending fanout messages
* Revert "Ensure the json result type is bytes on Python 3"
* Replace deprecated LOG.warn with LOG.warning
* Simulator: store results in JSON format
* Simulator: calculate message latency statistics
* Fix the driver shutdown/failover logic
* Always delete exc\_info tuple, even if reply fails
* Do not leak Listeners on failover
* Simulator: always use random messages for time-bound tests
* Fallback if git is absent
* Simulator: implement own random generator instead of scipy
* Simulator: fix batch-notify-server command
* Work with kombu from upstream
* Fail quickly if there on bad password
* [zmq] Dynamic port range is ignored
* [zmq] Implement Response and Envelope classes
* [kafka] Use notification priority
* Make simulator more asynchronous
* Adds exhange declaration on sender's side
* Updated from global requirements

4.5.0
-----

* amqp: log time elapsed between receiving a message and replying
* [zmq] Matchmaker redis set instead of list
* Allow Notifier to have multiple topics
* Fix a minor syntax error in a log statement
* Use PortOpt on kafka\_default\_port
* Added duration to notify server/client
* Ensure the json result type is bytes on Python 3
* Improves logging
* Use more efficient mask\_dict\_password to mask password
* Improves poller's stop logic
* Typos of 'recieve' instead of 'receive'
* [zmq] Support transport URL
* Get kafka notifications to work with kafka-python 0.9.5
* Move server's logic from executors
* Avoid hardcoding the notification topic and specify driver
* [zmq] Fix cinder create volume hangs
* Py3: Replace filter()/map() if a list is needed
* Py3: Switch json to oslo\_serialization
* Updated from global requirements

4.4.0
-----

* Updated from global requirements
* Option rpc\_response\_timeout should not be used in zmq driver
* Remove duplicate requirements
* Reduce number of rabbitmq consumer tag used
* Documents the mirror queue policy of RabbitMQ 3.0
* fix override\_pool\_size
* Remove executor callback
* Log format change in simulator.py
* Fix kombu accept different TTL since version 3.0.25
* .testr.conf: revert workaround of testtools bug
* Remove aioeventlet executor

4.3.0
-----

* simulator.py improvements
* rabbit: improvements to QoS
* Updated from global requirements
* Remove server queue creating if target's server is empty
* Updated from global requirements
* Correctly set socket timeout for publishing
* Updated from global requirements
* Use more secure yaml.safe\_load() instead of yaml.load()
* [kombu] Implement experimental message compression
* [zmq] Multithreading access to zmq sockets
* [zmq] ZMQ\_LINGER default value
* Remove matchmaker\_redis configs from [DEFAULT]
* Refactors base classes

4.2.0
-----

* Switches pika driver to eager connection to RabbitMQ
* Remove bandit.yaml in favor of defaults
* [zmq] Use PUSH/PULL for direct CAST
* Updated from global requirements
* support ability to set thread pool size per listener
* Fix misspellings
* [zmq] RPC timeout for CAST
* Enable pep8 on oslo\_messaging/tests

4.1.0
-----

* [zmq] Fix slow down
* Update translation setup
* Let PikaDriver inherit base.BaseDriver
* Improve simulator.py
* Fixed some warnings about imports and variable
* test: Don't test message's reply timeout
* Updated from global requirements
* Adds document and configuration guide
* [zmq] Support KeyboardInterrupt for broker
* [zmq] Reduce proxy for direct messaging
* Fixed a couple of pep8 errors/warnings
* assertEquals is deprecated, use assertEqual
* Updated from global requirements
* Updated from global requirements
* Trivial: Remove unused logging import
* replace string format arguments with function parameters
* Adds params field to BlockingConnection object
* Python 3 deprecated the logger.warn method in favor of warning
* Fix URL in warning message
* [zmq] Implement background redis polling from the client-side
* rabbit: Add option to configure QoS prefetch count
* rabbit: making interval\_max configurable
* Imported Translations from Zanata
* Updated from global requirements
* Logging rpc client/server targets
* Updated from global requirements
* Topic/server arguments changed in simulator.py
* [zmq] Update zmq-guide with new options
* [zmq] Listeners management cleanup
* Drop H237,H402,H904 in flake8 ignore list
* Replace deprecated library function os.popen() with subprocess
* py3: Replaces xrange() with six.moves.range()
* Kombu: make reply and fanout queues expire instead of auto-delete
* fix .gitreview - bad merge from pika branch
* Explicitly add pika dependencies
* Add duration option to simulator.py
* [zmq] Added redis sentinel HA implementation to zmq driver
* rabbit: set interval max for auto retry
* [zmq] Add TTL to redis records
* Updated from global requirements
* make enforce\_type=True in CONF.set\_override
* Use assertTrue/False instead of assertEqual(T/F)
* Improvement of logging acorrding to oslo.i18n guideline
* Updated from global requirements
* rabbit: fix unit conversion error of expiration
* list\_opts: update the notification options group
* rabbit: Missing to pass parameter timeout to next
* Fix formatting of code blocks in zmq docs
* Adds unit tests for pika\_poll module
* Updated from global requirements
* [zmq] Switch notifications to PUB/SUB pattern
* Optimize sending of a reply in RPC server
* Optimize simulator.py for better throughput
* Remove stale directory synced from oslo-incubator
* Fix wrong bugs report URL in CONTRIBUTING
* zmq: Don't log error when can't import zmq module

4.0.0
-----

* assertIsNone(val) instead of assertEqual(None,val)
* Adds tests for pika\_message.py
* [zmq] PUB-SUB pipeline
* Updated from global requirements
* Fixes conflicts after merging master
* Updated from global requirements
* Move to debug a too verbose log
* Cleanup parameter docstrings
* Removes MANIFEST.in as it is not needed explicitely by PBR
* Revert "default of kombu\_missing\_consumer\_retry\_timeout"
* Don't trigger error\_callback for known exc
* Adds comment for pika\_pooler.py
* Improves comment
* Fix reconnection when heartbeat is missed
* Revert "serializer: deprecate RequestContextSerializer"
* Fix notifier options registration
* notif: Check the driver features in dispatcher
* batch notification listener
* Updated from global requirements
* Adds comment, updates pika-pool version
* Preparations for configurable serialization
* creates a dispatcher abstraction
* Remove unnecessary quote
* Fix multiline strings with missing spaces
* Properly skip zmq tests without ZeroMQ being installed
* kombu: remove compat of folsom reply format
* Follow the plan about the single reply message

3.1.0
-----

* default of kombu\_missing\_consumer\_retry\_timeout
* rename kombu\_reconnect\_timeout option
* Skip Cyrus SASL tests if proton does not support Cyrus SASL
* setUp/tearDown decorator for set/clear override
* Adds comments and small fixes
* Support older notifications set\_override keys
* Don't hold the connection when reply fail
* doc: explain rpc call/cast expection
* Add a driver for Apache Kafka
* Option group for notifications
* Move ConnectionPool and ConnectionContext outside amqp.py
* Use round robin failover strategy for Kombu driver
* Revert "serializer: remove deprecated RequestContextSerializer"
* Updated from global requirements
* [zmq] Random failure with ZmqPortRangeExceededException
* [zmq] Driver optimizations for CALL
* Updated from global requirements
* Use oslo\_config new type PortOpt for port options
* serializer: remove deprecated RequestContextSerializer
* Add log info for AMQP client
* Updated from global requirements
* Provide missing parts of error messages
* Add Warning when we cannot notify
* ignore .eggs directory
* serializer: deprecate RequestContextSerializer
* middleware: remove oslo.context usage
* Removes additional select module patching
* Fix delay before host reconnecting

3.0.0
-----

* Remove qpidd's driver from the tree
* Provide alias to oslo\_messaging.notify.\_impl\_messaging
* make pep8 faster
* Updated from global requirements
* Robustify locking in MessageHandlingServer
* Updated from global requirements
* cleanup tox.ini

2.9.0
-----

* [zmq] Add config options to specify dynamic ports range
* [zmq] Make bind address configurable
* [zmq][matchmaker] Distinguish targets by listener types
* [zmq] Update zmq-deployment guide according to the new driver
* Implements more smart retrying
* Make "Connect(ing|ed) to AMQP server" log messages DEBUG level
* Updated from global requirements
* Decouple transport for RPC and Notification
* Fixing the server example code Added server.stop() before server.wait()

2.8.1
-----

* Revert "Robustify locking in MessageHandlingServer"
* Splits pika driver into several files
* Fixes and improvements after testing on RabbitMQ cluster:
* Move supported messaging drivers in-tree

2.8.0
-----

* Add a "bandit" target to tox.ini
* Fix fanout exchange name pattern
* Updated from global requirements
* Remove a useless statement
* Robustify locking in MessageHandlingServer
* Use "secret=True" for password-related options
* Imported Translations from Zanata
* Modify simulator.py tool
* Fix target resolution mismatch in neutron, nova, heat
* Use yaml.safe\_load instead of yaml.load
* Trivial locking cleanup in test\_listener
* Remove unused event in ServerThreadHelper
* Fix a race calling blocking MessageHandlingServer.start()
* Fix assumptions in test\_server\_wait\_method
* Rename MessageHandlingServer.\_executor for readability
* Implements rabbit-pika driver
* bootstrap branch
* Updated from global requirements

2.7.0
-----

* Updated from global requirements
* Some executors are not async so update docstring to reflect that
* Updated from global requirements
* Updated from global requirements
* Small grammar messaging fix
* Use a condition (and/or a dummy one) instead of a lock
* Updated from global requirements

2.6.1
-----

* Fix failures when zmq is not available

2.6.0
-----

* AMQP1.0: Turn off debug tracing when running tox
* Fix typo in rpc/server.py and notify/listener.py
* Fix a typo in server.py
* Use the hostname from the Transport for GSSAPI Authentication
* Adapt functional tests to pika-driver
* ConfFixture should work even when zmq/redis is not present
* Added matchmaker timeouts and retries
* AMQP 1.0: Properly initialize AMQP 1.0 configuration options
* Updated from global requirements
* Workaround test stream corruption issue
* Skip Redis specific tests when it is not installed
* Port the AMQP 1.0 driver to Python 3
* rabbit: shuffle hosts before building kombu URL
* Updated from global requirements
* Remove unnecessary rpc\_zmq\_port option
* Non-blocking outgoing queue was implemented
* Allow custom notification drivers
* Fix the home-page value with Oslo wikipage
* Include changelog/history in docs
* Fix spelling typo in output
* Change ignore-errors to ignore\_errors
* Unsubscribe target listener when leaving
* Add SASL configuration options for AMQP 1.0 driver
* Updated from global requirements
* Fix a few leaks in the AMQP 1.0 driver
* Disable ACL if authentication cannot be performed
* Imported Translations from Zanata
* Enhance start/stop concurrency race condition fix
* Updated from global requirements
* Extend logging in amqpdriver
* Remove useless additional requirement file
* Fix AMQP 1.0 functional and unit test failures
* Provide the executor 'wait' function a timeout and use it

2.5.0
-----

* Imported Translations from Transifex
* Update path to subunit2html in post\_test\_hook
* Fix typos in a document and a comment
* Updated from global requirements
* Imported Translations from Transifex
* Updated from global requirements
* Port the AMQP1 driver to new Pyngus SASL API
* Updated from global requirements
* Imported Translations from Transifex
* Updated from global requirements
* Add config options to the documentation
* Updated from global requirements

2.4.0
-----

* Mask passwords when logging messages
* Updated from global requirements
* Use proper translating helper for logging
* Improve simulator.py

2.3.0
-----

* Imported Translations from Transifex
* Added trace logging for debuggability
* Log warning instead of raising RuntimeError
* Use pickle instead of jsonutils for serialization
* Updated from global requirements
* Acknowledgements implementation
* Replace 'M' with 'Mitaka'
* Add if condition for random.shuffle
* Fix message missing after duplicated message error
* Fix fork-related issues
* FIx CPU time consuming in green\_poller poll()
* Documenting main driver classes
* Notifier implementation
* Imported Translations from Transifex
* Fix BaseDriver.listen\_for\_notifications() signature
* ZMQ: Minor matchmaker improvement
* Imported Translations from Transifex
* Updated from global requirements
* Add unit tests for zmq\_async

2.2.0
-----

* Imported Translations from Transifex
* ZMQ: \`Lazify\` driver code
* Ensures that some assumptions are true
* Remove oslo namespace package
* Register matchmaker\_redis\_opts in RedisMatchMaker
* Imported Translations from Transifex
* Updated from global requirements
* ZMQ: Removed unused code and tests
* ZMQ: Run more functional tests
* Get rid of proxy process in zmq
* Fully use futurist code-base to abstract concurrent.futures away

2.1.0
-----

* Imported Translations from Transifex
* Updated from global requirements
* Close sockets properly
* add plugin documentation for executors and notifiers
* Allows to change defaults opts
* Target direct usage
* Move zmq tests into a subdirectory

2.0.0
-----

* Allow a forward slash as a part of the user/password
* Update 'impl\_eventlet' docstring to reflect actual impl
* Updated from global requirements
* tests: adjusts an expected time for gate
* Updated from global requirements
* Ensure callback variable capture + cleanup is done correctly
* Remove oslo namespace package
* ZMQ: Initial matchmaker implementation
* Updated from global requirements
* Fix threading zmq poller and proxy
* Don't install pyngus on Python 3
* Fix amqp connection pool leak in ConnectionContext
* Executor docstring & attribute tweaks

1.17.1
------

* Use the warn\_eventlet\_not\_patched util function
* Drop use of 'oslo' namespace package

1.17.0
------

* Updated from global requirements
* Add unit tests for zmq\_serializer
* Updated from global requirements
* Fix work with timeout in CallRequest.receive\_reply()
* Fix mock use for mock 1.1.0
* Make heartbeat the default
* ZMQ: Allow to raise remote exception
* Local Fanout implementation
* Drop use of 'oslo' namespace package
* Use oslo.log in the zmq receiver
* Imported Translations from Transifex
* Remove usage of contentmanager for executors
* Verify that version in 'prepare' is valid

1.16.0
------

* Fix qpid's functional gate
* Don't reply when we known that client is gone
* Remove py26 artefacts from oslo.messaging code
* Remove 2.6 classifier
* Imported Translations from Transifex
* Add WebOb and greenlet to requirements
* Use ServiceBase from oslo.service as a parent class
* Manual update the requirements
* Deprecated impl\_qpid
* Add a missed \`raise\` statement
* Remove qpid-config call
* Initial commit for new zmq driver implementation
* Add tox target to find missing requirements
* Fix qpid's functional gate
* Imported Translations from Transifex
* fix typo
* Correct RPCVersionCapError message

1.15.0
------

* Drop use of 'oslo' namespace package
* Update .gitreview for feature/zmq
* Use \`inferred=True\` by default
* Enable amqp's protocol unit tests everywhere
* Switch badges from 'pypip.in' to 'shields.io'
* Don't use devstack to setup our functional env
* Switch to warnings module instead of versionutils
* Updated from global requirements
* Get mox from mox3, not from six.moves
* rabbit: Add logging on blocked connection
* Provide better detection of failures during message send

1.14.0
------

* Reduce \`magic\` conf attribute usage
* Imported Translations from Transifex
* Remove leftover oslo.config reference
* replace rpc\_response\_timeout use in rabbit driver
* Enable \`fanout\_target\` scenarios in test\_impl\_rabbit
* Add drivers to the documentation

1.13.0
------

* Ensure rpc\_response\_timeout is registered before using it
* rabbit: test for new reply behavior

1.12.0
------

* Fix condition in \_publish\_and\_retry\_on\_missing\_exchange()
* Set places to 0 in self.assertAlmostEqual()
* Allow to remove second \_send\_reply() call
* Don't create a new channel in RabbitMQ Connection.reset()
* Imported Translations from Transifex
* Adding Publisher Acknowledgements/confirms
* Fix deprecated\_group of rpc\_conn\_pool\_size
* Refactor processing reply in ReplyWaiter
* rabbit: doc fixes
* consumer connections not closed properly

1.11.0
------

* rabbit: smart timeout on missing exchange
* rabbit: Fix message ttl not work
* rabbit: remove publisher classes
* rabbit: Set timeout on the underlying socket
* Remove stale copy of context.py
* Add one more functional test for MessagingTimeout
* Fix list\_opts test to not check all deps
* make it possible to import amqp driver without dependencies
* Remove outdated release notes
* rabbit: smarter declaration of the notif. queue
* rabbit: redeclare consumers when ack/requeue fail
* Bump kombu and amqp requirements
* Updated from global requirements
* rabbit: fix exception path in queue redeclaration
* rabbit: fix consumers declaration
* rabbit: remove unused consumer interfaces
* rabbit: remove unused code
* rabbit: Remove unused stuffs from publisher
* Remove support for Python 3.3
* Updated from global requirements
* Add RequestContextSerializer
* Updated from global requirements
* rabbit: fixes a logging issue
* rabbit/qpid: simplify the consumer loop
* Updated from global requirements
* Imported Translations from Transifex
* Fix missing space in help text
* zmq: Add support for ZmqClient pooling
* Enable eventlet dependency on Python 3
* Add JsonPayloadSerializer serializer
* Fix test\_matchmaker\_redis on Python 3
* Disable and mark heartbeat as experimental

1.10.0
------

* Uncap library requirements for liberty
* Port ZMQ driver to Python 3
* Use unittest.mock on Python 3
* Enable redis test dependency on Python 3
* Remove amqp driver 'unpacked content' logging
* Updated from global requirements
* Add pypi download + version badges
* Fix TypeError caused by err\_msg formatting
* Fix typo in oslo\_messaging/\_drivers/protocols/amqp/opts.py
* Document notification\_driver possible values
* Do not skip functional test for amqp driver
* Add functional test for notify.logger
* Properly deserialize received AMQP 1.0 messages
* Make notify driver messaging play well with publish\_errors
* Imported Translations from Transifex

1.9.0
-----

* Use the oslo\_utils stop watch in decaying timer
* Updated from global requirements
* Remove 'UNIQUE\_ID is %s' logging
* Sync with latest oslo-incubator
* rabbit: fix ipv6 support
* Create a unique transport for each server in the functional tests
* Publish tracebacks only on debug level
* Add pluggability for matchmakers
* Make option [DEFAULT]amqp\_durable\_queues work
* Reconnect on connection lost in heartbeat thread
* Don't raise Timeout on no-matchmaker results
* Imported Translations from Transifex
* cleanup connection pool return
* rabbit: Improves logging
* fix up verb tense in log message
* rabbit: heartbeat implementation
* Fix changing keys during iteration in matchmaker heartbeat
* Minor improvement
* ZeroMQ deployment guide
* Fix a couple typos to make it easier to read
* Tiny problem with notify-server in simulator
* Fix coverage report generation
* Add support for multiple namespaces in Targets
* tools: add simulator script
* Deprecates the localcontext API
* Update to oslo.context
* Remove obsolete cross tests script
* Fix the bug redis do not delete the expired keys

1.8.0
-----

* Updated from global requirements
* NotifyPublisher need handle amqp\_auto\_delete
* Fix matchmaker\_redis ack\_alive fails with KeyError
* Properly distinguish between server index zero and no server

1.7.0
-----

* Add FAQ entry for notifier configuration
* rabbit: Fix behavior of rabbit\_use\_ssl
* amqp1: fix functional tests deps
* Skip functional tests that fail due to a qpidd bug
* Use import of zmq package for test skip
* Remove unnecessary log messages from amqp1 unit tests
* Include missing parameter in call to listen\_for\_notifications
* Fix the import of the driver by the unit test
* Add a new aioeventlet executor
* Add missing unit test for a recent commit
* Add the threading executor setup.cfg entrypoint
* Move each drivers options into its own group
* Refactor the replies waiter code
* Imported Translations from Transifex
* Fix notifications broken with ZMQ driver
* Gate functionnal testing improvements
* Treat sphinx warnings as errors
* Move gate hooks to the oslo.messaging tree
* Set the password used in gate
* Update README.rst format to match expectations

1.6.0
-----

* Declare DirectPublisher exchanges with passive=True
* Updated from global requirements
* Expose \_impl\_test for designate
* Update Oslo imports to remove namespace package
* Speedup the rabbit tests
* Fix functionnal tests
* kombu: fix driver loading with kombu+qpid scheme
* Fixed docstring for Notifier
* zmq: Refactor test case shared code
* Add more private symbols to the old namespace package
* Updated from global requirements
* Adjust tests for the new namespace
* Fixes test\_two\_pools\_three\_listener
* Add TimerTestCase missing tests case
* Ensure kombu channels are closed
* fix qpid test issue with eventlet monkey patching
* Make setup.cfg packages include oslo.messaging
* Upgrade to hacking 0.10
* Implements notification-dispatcher-filter
* Add oslo.messaging.\_drivers.common for heat tests
* Port zmq driver to Python 3
* Make sure zmq can work with redis
* fix qpid test issue with eventlet monkey patching
* Move files out of the namespace package
* Add a info log when a reconnection occurs
* rabbit: fix timeout timer when duration is None
* Don't log each received messages
* Fix some comments in a backporting review session
* Enable IPv6-support in libzmq by default
* Add a thread + futures executor based executor
* safe\_log Sanitize Passwords in List of Dicts
* Updated from global requirements
* rabbit: add some tests when rpc\_backend is set
* Warns user if thread monkeypatch is not done
* Add functional and unit 0mq driver tests
* The executor doesn't need to set the timeout
* qpid: honor iterconsume timeout
* rabbit: more precise iterconsume timeout
* Workflow documentation is now in infra-manual
* Touch up grammar in warning messages

1.5.1
-----

* Reintroduces fake\_rabbit config option
* Make the RPCVersionCapError message clearer
* Doc: 'wait' releases driver connection, not 'stop'
* Don't allow call with fanout target
* Imported Translations from Transifex
* Add an optional executor callback to dispatcher

1.5.0
-----

* Rabbit: Fixes debug message format
* Rabbit: iterconsume must honor timeout
* Don't use oslo.cfg to set kombu in-memory driver
* Don't share connection pool between driver object
* Show what the threshold is being increased to
* Wait for expected messages in listener pool test
* Dispath messages in all listeners in a pool
* Reduces the unit tests run times
* Set correctly the messaging driver to use in tests
* Always use a poll timeout in the executor
* Have the timeout decrement inside the wait() method
* Warn user if needed when the process is forked
* Renamed PublishErrorsHandler
* Fix reconnect race condition with RabbitMQ cluster
* Create a new connection when a process fork has been detected
* Add more TLS protocols to rabbit impl
* Remove the use of PROTOCOL\_SSLv3
* Add qpid and amqp 1.0 tox targets
* Updated from global requirements
* Imported Translations from Transifex
* rabbit: uses kombu instead of builtin stuffs
* Allows to overriding oslotest environ var
* Create ZeroMQ Context per socket
* Remove unuseful param of the ConnectionContext
* Updated from global requirements
* Add basic tests for 0mq matchmakers
* Notification listener pools
* Updated from global requirements
* Fix tiny typo in server.py
* Switch to oslo.middleware
* Updated from global requirements
* Activate pep8 check that \_ is imported
* Enable user authentication in the AMQP 1.0 driver
* Documentation anomaly in TransportURL parse classmethod
* Don't put the message payload into warning log
* Updated from global requirements
* Fix incorrect attribute name in matchmaker\_redis
* Add pbr to installation requirements
* Updated from global requirements
* Add driver independent functional tests
* Imported Translations from Transifex
* zmq: Remove dead code
* Updated from global requirements
* Finish transition to oslo.i18n
* Imported Translations from Transifex
* Imported Translations from Transifex
* qpid: Always auto-delete queue of DirectConsumer
* Updated from global requirements
* Imported Translations from Transifex
* Enable oslo.i18n for oslo.messaging
* Switch to oslo.serialization
* Cleanup listener after stopping rpc server
* Updated from global requirements
* Track the attempted method when raising UnsupportedVersion
* fix memory leak for function \_safe\_log
* Stop using importutils from oslo-incubator
* Add missing deprecated group amqp1
* Updated from global requirements
* Stop using intersphinx
* Add documentation explaining how to use the AMQP 1.0 driver
* Imported Translations from Transifex
* Construct ZmqListener with correct arguments
* Message was send to wrong node with use zmq as rpc\_backend
* Work toward Python 3.4 support and testing
* Ensure the amqp options are present in config file
* Add contributing page to docs
* Import notifier middleware from oslo-incubator
* Let oslotest manage the six.move setting for mox

1.4.1
-----

* Imported Translations from Transifex
* Add square brackets for ipv6 based hosts
* An initial implementation of an AMQP 1.0 based messaging driver
* warn against sorting requirements
* Improve help strings
* Switch to oslo.utils
* Fix Python 3 testing
* Import oslo-incubator context module
* Import oslo-incubator/middleware/base
* Should not send replies for cast messages
* Port to Python 3
* Sync jsonutils from oslo-incubator
* Add parameter to customize Qpid receiver capacity
* Make tests pass with random python hashseed
* Set sample\_default for rpc\_zmq\_host
* Enable PEP8 check E714
* Enable PEP8 check E265
* Enable PEP8 check E241
* Fix error in example of an RPC server
* Replace lambda method \_
* Enable check for E226
* Updated from global requirements
* Add release notes for 1.4.0.0a4
* Add release notes for stable/icehouse 1.3.1 release

1.4.0.0a4
---------

* Enabled hacking checks H305 and H307
* Bump hacking to version 0.9.2
* Fixes incorrect exchange lock in fake driver
* Imported Translations from Transifex

1.4.0.0a3
---------

* Add release notes for 1.4.0.0a2/a3
* Fix AMQPListener for polling with timeout
* Replaced 'e.g.' with 'for example'
* Use assertEqual instead of assertIs for strings

1.4.0.0a2
---------

* Fix structure of unit tests in oslo.messaging (part 3 last)
* Fix structure of unit tests in oslo.messaging (part 2)
* Fix slow notification listener tests
* encoding error in file
* Fix info method of ListenerSetupMixin

1.4.0.0a1
---------

* Add release notes for 1.4.0.0a1
* Fix formatting of TransportURL.parse() docs
* Remove duplicate docs for MessageHandlingServer
* Add missing docs for list\_opts()
* Add 'docs' tox environment
* Replace usage of str() with six.text\_type
* Fix structure of unit tests in oslo.messaging (part 1)
* Synced jsonutils and its dependencies from oslo-incubator
* Ensures listener queues exist in fake driver
* RPC server doc: use the blocking executor
* Fix the notifier example
* Removes the use of mutables as default args
* Set correct group for matchmaker\_redis options
* replace string format arguments with function parameters
* Removes contextlib.nested
* Transport reconnection retries for notification
* Disable connection pool in qpid interfaces tests
* Updated from global requirements
* Add check credentials to log message if rabbmitmq closes socket
* Fix the notify method of the routing notifier
* Handle unused allowed\_remote\_exmods in \_multi\_send
* rabbit/qpid: remove the args/kwargs from ensure()
* Add an example usage of RPCClient retry parameter
* Add transport reconnection retries
* Add an optional timeout parameter to Listener.poll
* Bump hacking to 0.9.x series
* Removes unused config option
* fixed pep8 issue E265
* Setup for translation
* Updated from global requirements
* Remove amqp default exchange hack
* remove default=None for config options
* Cleaned up references to executor specific RPCServer types
* Make the TransportUrl hashable
* debug level logs should not be translated
* Explicitly name subscription queue for responses
* Fix passing envelope variable as timeout
* Updated from global requirements
* Synced jsonutils from oslo-incubator
* Remove str() from LOG.\* and exceptions
* Remove dependent module py3kcompat
* Enable log messages to handle exceptions containing unicode
* Updated from global requirements
* Fix typo in docstring of notify/notifier
* Full support of multiple hosts in transport url
* Logical error in blockless fanout of zmq
* Select AMQP message broker at random
* Use a for loop to set the defaults for \_\_call\_\_ params
* Update ensure()/reconnect() to catch MessagingError
* Remove old drivers dead code
* Import run\_cross\_tests.sh from oslo-incubator
* Remove rendundant parentheses of cfg help strings
* zmq: switch back to not using message envelopes
* Trival:Fix assertEqual arguments order
* Oslo-messaging-zmq-receiver cannot recive any messages

1.3.0
-----

* Add release notes for 1.3.0
* Ensure routing key is specified in the address for a direct producer
* Fix wrong parameter description in docstring
* Fixed inconsistent EventletContextManagerSpawnTest failures
* Use messaging\_conf fixture configuration by default
* Fixed possible pep8 failure due to pyflakes bug
* Refactor AMQP message broker selection
* Add unit test to check the order of Qpid hosts on reconnect
* Fixed the issue for pop exception
* Clean up for qpid tests
* Add kombu driver library to requirements.txt
* Use driver's notify\_send() method again
* Remove vim header
* Updated from global requirements
* Fixed spelling error - runnung to running
* Build log\_handler documentation
* Add release notes up to 1.3.0a9

1.3.0a9
-------

* Remove use of sslutils

1.3.0a8
-------

* Expose PublishErrorsHandler through oslo.messaging
* Use mock's call assert methods over call\_args\_list
* notify listener: document the metadata callback parameter
* Add missing data into the notif. endpoint callback
* notification listener: add allow\_requeue param
* Adds unit test cases to impl\_qpid
* Do not leak \_unique\_id out of amqp drivers
* Add multiple exchange per listerner in fake driver
* Allow to requeue the notification message
* Slow down Kombu reconnect attempts
* Don't run python 3 tests by default
* Gracefully handle consumer cancel notifications
* Updated from global requirements
* Convert to oslo.test
* Add log\_handler to oslo.messaging
* Add a link to the docs from the README
* Pass the session to QpidMessage constructor
* User a more accurate max\_delay for reconnects
* Make the dispatcher responsible of the message ack
* Don't reply to notification message
* Abstract the acknowledge layer of a message
* Implements notification listener and dispatcher
* Switch over to oslosphinx
* Improve help strings
* Update ExpectedException handling
* Ignore any egg and egg-info directories
* Qpid: advance thru the list of brokers on reconnect
* RabbitMQ: advance thru the list of brokers on reconnect

1.3.0a7
-------

* Make the dispatcher responsible to listen()
* Allow fake driver to consume multiple topics
* Allow different login methods to be used with kombu connections

1.3.0a6
-------

* Use stevedore's make\_test\_instance
* Expose an entry point to list all config options
* Fix test case name typo
* Fix UnboundLocalError error

1.3.0a5
-------

* Fix help strings
* Add release notes for 1.3.0a3
* python3: Switch to mox3 instead of mox
* Remove dependencies on pep8, pyflakes and flake8
* Routing notifier

1.3.0a4
-------

* Removes use of timeutils.set\_time\_override
* Fix spelling errors in comments
* Fix test\_notifier\_logger for Python 3
* Minor Python 3 fixes
* Remove copyright from empty files
* Fix duplicate topic messages for Qpid topology=2
* Replace dict.iteritems() with six.iteritems()
* Remove unused eventlet/greenlet from qpid/rabbit
* fix test\_rabbit for Python 3
* Fix try/except syntax for Python 3
* Fix exception deserialiation on Python 3
* Add Sample priority
* sysnchronize oslo-incubator modules
* Remove eventlet related code in amqp driver
* Fix syntax of relative imports for Python3
* Updated from global requirements
* Updated from global requirements
* Unify different names between Python2 and Python3
* Replace data structures' attribute with six module
* Avoid creating qpid connection twice in initialization
* Use six.moves.queue instead of Queue
* Add transport aliases
* Remove the partial implementation of ack\_on\_error
* Fixed misspellings of common words
* Add release notes for 1.3.0a2
* Unify different names between Python2/3 with six.moves
* Remove vim header
* Ensure context type is handled when using to\_dict
* Refactors boolean returns

1.3.0a2
-------

* Simplify common base exception prototype
* Properly reconnect subscribing clients when QPID broker restarts
* Remove useless global vars / import
* Avoid storing configuration in notifier
* Implement a log handler using notifier
* notifier: add audit level
* Add 'warning' as an alias to 'warn'
* Decouple from Oslo uuidutils module
* Supply missing argument to raise\_invalid\_topology\_version()
* Support a new qpid topology
* Remove hosts as property in TransportURL
* Remove property on virtual\_host in TransportURL
* Updated from global requirements
* Fix some typos and adjust capitalization
* Changes driver method for notifications

1.3.0a1
-------

* Properly handle transport URL config on the client
* Updated from global requirements
* Updated from global requirements
* Replace assertEquals with assertEqual
* Properly handle transport:///vhost URL
* Updated from global requirements
* Make rpc\_backend default to 'rabbit'
* Apply six for metaclass
* Add third element to RPC versions for backports
* Fix rpc client docs
* Updated from global requirements
* Remove cruft from setup.cfg
* Updated from global requirements
* Fixes a typo in the address string syntax
* Implement the server side of ZmqDriver
* Add zmq-receiver
* Implement the client side of ZmqDriver
* Import zmq driver code with minimal modifications

1.2.0a11
--------

* Fix race-condition in rabbit reply processing
* Fix error message if message handler fails
* Don't include msg\_id or reply\_q in casts
* Remove check\_for\_lock support in RPCClient

1.2.0a10
--------

* Add a Notifier.prepare() method

1.2.0a9
-------

* Fix dictionary changed size during iteration

1.2.0a8
-------

* Fix transport URL parsing bug

1.2.0a7
-------

* Fix rabbit driver handling of None, etc. replies

1.2.0a6
-------

* Remove ConfFixture from toplevel public API
* Fix fake driver handling of failure replies
* Bumps hacking to 0.7.0
* Fix transport URL ipv6 parsing support

1.2.0a5
-------

* Fix handling of None, etc. replies

1.2.0a4
-------


1.2.0a3
-------

* Add a unit testing configuration fixture
* Add a TransportURL class to the public API

1.2.0a2
-------

* Ensure namespace package is installed

1.2.0a1
-------

* Add transport URL support to rabbit driver
* Kill ability to specify exchange in transport URL
* Fix capitalization, it's OpenStack
* Fix handling expected exceptions in rabbit driver
* Add thread-local store of request context
* Add a context serialization hook
* Removes a redundant version\_is\_compatible function
* Document how call() handles remote exceptions
* Add a per-transport allow\_remote\_exmods API
* Expose RemoteError exception in the public API
* Implement failure replies in the fake driver
* Add API for expected endpoint exceptions
* Add a driver method specifically for sending notifications
* Enforce target preconditions outside of drivers
* Add comments to ReplyWaiter.wait()
* Remove some FIXMEs and debug logging
* Remove unused IncomingMessage.done()
* Implement wait\_for\_reply timeout in rabbit driver
* Use testtools.TestCase assertion methods
* Implement failure replies in rabbit driver
* Add test with multiple waiting sender threads
* Fix race condition in ReplyWaiters.wake\_all()
* Add rabbit unit test for sending and receiving replies
* Add some docs on target version numbers
* Add tests for rabbit driver wire protcol
* Pop \_unique\_id when checking for duplicates
* Add a transport cleanup() method
* Remove my notes and test scripts
* Add initial qpid driver
* Move most new rabbit driver code into amqpdriver
* Move rpc\_conn\_pool\_size into amqp
* Add simple rabbit driver unit test
* Temporarily add eventlet to requirements
* Add missing gettextutils
* Add unit tests for object pool
* Remove only\_free param to Pool.get()
* Connection pool bugfix
* Remove unused file
* Add exception serialization tests
* Don't call consume() each time iterconsume() is called
* Add test code for the rabbit driver
* Remove use of gettextutils
* Add initial rabbit driver
* Remove use of openstack.common.local
* Use stdlib logging
* Don't register options with cfg.CONF at module import
* Port away from some eventlet infrastructure
* Adjust imports in rabbit/qpid drivers
* Import some needed modules from oslo-incubator
* Add oslo-incubator code unmodified
* Make executor threads more robust
* Allow use of hacking 0.6.0 and fix min version
* Include docstrings in published docs
* Use oslo.sphinx and remove local copy of doc theme
* Add some notes
* Unit tests for notifier
* Make test notifier useful
* Use lowercase priority in log notifier
* Use lowercase priority in notifications topic
* Handle case where no drivers configured
* Fix buglet in v2 messaging notifier
* Make LOG private in notifier
* Require a transport to construct a Notifier
* Add serializer support to notifier
* Rename context to ctxt in serializer API
* Rename context to ctxt in notify API
* Make Notifier public at top-level
* Docstrings for notifier API
* Fix notify drivers namespace
* Remove backwards compat entry point aliases
* Simplify public symbol exports
* Use assertEqual() rather than assertEquals()
* Remove accidental use of messaging.rpc\_server
* Make exchange\_from\_url() use parse\_url()
* Unit tests for URL parsing code
* Fix parse\_urls() buglets
* Move url utils into messaging.\_urls
* Don't use common logging
* Update example scripts for recent API changes
* Fix fake driver with eventlet
* Use log.warning() instead of log.warn()
* Fix some pep8 issues
* Don't translate exception messages
* Knock off a few TODOs
* Add can\_send\_version() to RPCClient
* Check start() does nothing on a running server
* Remove unused statements in base serializer
* Fix thinko in exchange\_from\_url()
* Call wait() in server tests
* Add docstrings for base executor class
* Remove a fixed fixme
* Add a client call timeout test
* Don't raise a driver-specific error on send
* Add some docstrings to driver base
* Test a bunch more RPC server scenarios
* Make it possible to call prepare() on call context
* Rework how queues get created in fake driver
* Use testscenarios
* Move files to new locations for oslo.messaging
* Import stuff from oslo-incubator
* Add oslo.messaging project infrastructure
* Add some RPC server tests
* More gracefully handle "no listeners" in fake driver
* Better error handling in server.start()
* Re-work server API to eliminate server subclasses
* Add license header to \_executors/\_\_init\_\_.py
* Add RPCDispatcher tests
* Check for return value in client serializer test
* Add note about can\_send\_version()
* More client unit tests
* Make RPCClient.check\_for\_lock a callable
* Apply version cap check when casting
* Make RPCVersionCapError extend base exception
* Remove a bogus param from client.prepare() docs
* pep8 fixes for serializer code
* Simple RPCClient test
* Unit tests
* Move some stuff into doc/
* Implement Target.\_\_eq\_\_()
* Fix bug in exchange\_from\_url()
* pep8 fixes for fake driver
* Make utils.parse\_url() docstring pep8 compliant
* Don't translate exceptions
* Misc pep8 fixes
* pep8 fixes for toplevel package
* Some error handling improvements
* Recommend wrapping the client class rather than subclassing
* Document how to use RPCClient directly
* Document the public RPC API
* Fix defaults for client.prepare() args
* Fix client.cast() typo
* Fix version\_cap typo
* Allow all target attributes in client.prepare()
* Expose Serializer from top-level namespace
* Allow specifying a serializer when creating a server
* Make endpoint.target optional
* Dispatch methods in their own greenthreads
* Make rpc.dispatcher private
* Make the base RPCServer class private
* Fix typo with the serializer work
* Update use of stevedore
* Require topics and target in notify driver constructors
* Add generic serialization support
* Support namespace in RPCClient.prepare()
* Add parse\_url to \_utils
* Remove entry point lists from the public API
* Support capping message versions in the client
* Fix RPCClient check\_for\_lock()
* First cut at the notifier API
* Add some notes
* Add IncomingMessage abstraction
* Pass a context dict
* Fix docstring
* Implement a fake driver
* Adding reply infrastructure
* Add some exceptions
* Fix buglet with default timeout
* Fix target/namespace target buglet
* Fix rpc client buglets
* Fix 'Blockinging' typos
* Missing self parameter to server start()
* Fix default\_exchange typo
* Add forgotten piece of eventlet executor
* It's \_executors not \_executor
* Make poll() just return the message
* Make drivers list public again
* Add top-level convenience aliases
* Prefix the executors module with underscore
* Prefix the messaging.server module with an underscore
* Prefix the drivers module with an underscore
* Make transport methods private
* Fix little typo in server exception class name
* Add missing utils module
* Add convenience RPC server classes
* Update changes.txt for recent API changes
* Use : for loading classes in entry\_points
* Split the dispatcher from the executor and server
* Make driver and transport methods public
* Pass the driver instance to the listener instead of config
* Try out replacing "executor" for "dispatcher"
* Fix host vs server typo
* Initial framework
