Open Stack

We exuberantly announce the release of:

tooz 1.47.0: Coordination library for distributed systems.

This release is part of the ocata release series.

The source is available from:

    http://git.openstack.org/cgit/openstack/tooz

Download the package from:

    https://pypi.python.org/pypi/tooz

Please report issues through launchpad:

    http://bugs.launchpad.net/python-tooz/

For more details, please see below.

1.47.0
^^^^^^

New Features

* Add *tooz.hashring*, a consistent hash ring implementation.

* Introduce a new partitioner object. This object is synchronized
  within a group of nodes and exposes a way to distribute object
  management across several nodes.

Changes in tooz 1.46.0..1.47.0
------------------------------

9ad740f Add partitioner implementation
f3dddcf Stop making tooz.utils depending on tooz.coordination
3a36a64 [doc] Note lack of constraints is a choice
87e6d67 The 'moves.moved_class' function creates a new class
e9c8c82 Add weight support to the hashring
d417b44 coordination: allow to pass capabilities in join_group_create()
12461f3 coordination: fix moved_class usage for ToozError
e5540b6 zookeeper: switch to standard group membership watching
e29ca79 Add a hashring implementation
04866ab Move ToozError to root module
a5a27dd Fixup concurrent modification
79a311b Replaces uuid.uuid4 with uuidutils.generate_uuid()
486524c redis: make sure we don't release and heartbeat a lock at the same time


Diffstat (except docs and test files)
-------------------------------------

examples/hashring.py                               |  15 ++
examples/partitioner.py                            |  11 +
releasenotes/notes/hashring-0470f9119ef63d49.yaml  |   3 +
.../notes/partitioner-4005767d287dc7c9.yaml        |   6 +
tools/tox_install.sh                               |  30 +++
tooz/__init__.py                                   |  19 +-
tooz/coordination.py                               | 128 +++++------
tooz/drivers/etcd.py                               |  13 +-
tooz/drivers/file.py                               |  14 +-
tooz/drivers/ipc.py                                |   8 +-
tooz/drivers/memcached.py                          |  19 +-
tooz/drivers/mysql.py                              |  16 +-
tooz/drivers/pgsql.py                              |  12 +-
tooz/drivers/redis.py                              |  74 ++++---
tooz/drivers/zookeeper.py                          | 235 +++++++--------------
tooz/hashring.py                                   | 144 +++++++++++++
tooz/partitioner.py                                | 107 ++++++++++
tooz/utils.py                                      |  64 ++++--
tox.ini                                            |   1 +
31 files changed, 962 insertions(+), 346 deletions(-)