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  • v1.3.4 Changes

    🚀 :release-date: 2011-09-16 06:00 P.M BST 🚀 :release-by: Ask Solem

    • 🛠 Fixes syntax error in pools.reset

    .. _version-1.3.3:

  • v1.3.3 Changes

    🚀 :release-date: 2011-09-15 02:00 P.M BST 🚀 :release-by: Ask Solem

    • 👍 pools.reset did not support after forker arguments.

    .. _version-1.3.2:

  • v1.3.2 Changes

    🚀 :release-date: 2011-09-10 01:00 P.M BST 🚀 :release-by: Mher Movsisyan

    • 📜 Broke Python 2.5 compatibility by importing parse_qsl from urlparse

    • 0️⃣ Connection.default_channel is now closed when connection is revived after connection failures.

    • 👍 Pika: Channel now supports the connection.client attribute as required by the simple interface.

    • 👻 pools.set_limit now raises an exception if the limit is lower than the previous limit.

    • pools.set_limit no longer resets the pools.

    .. _version-1.3.1:

  • v1.3.1 Changes

    🚀 :release-date: 2011-10-07 03:00 P.M BST 🚀 :release-by: Ask Solem

    • 🚀 Last release broke after fork for pool reinitialization.

    • Producer/Consumer now has a connection attribute, giving access to the :class:Connection of the instance.

    • Pika: Channels now have access to the underlying :class:Connection instance using channel.connection.client.

      This was previously required by the Simple classes and is now also required by :class:Consumer and :class:Producer.

    • 0️⃣ Connection.default_channel is now closed at object revival.

    • ➕ Adds kombu.clocks.LamportClock.

    • compat.entry_to_queue has been moved to new module :mod:kombu.common.

    .. _version-1.3.0:

  • v1.3.0 Changes

    🚀 :release-date: 2011-10-05 01:00 P.M BST 🚀 :release-by: Ask Solem

    • Broker connection info can be now be specified using URLs

      The broker hostname can now be given as a URL instead, of the format:

      .. code-block:: text

      transport://user:[email protected]:port/virtual_host

      for example the default broker is expressed as:

      .. code-block:: pycon

      >>> Connection('amqp://guest:[email protected]:5672//')

      Transport defaults to amqp, and is not required. user, password, port and virtual_host is also not mandatory and will default to the corresponding transports default.

      .. note::

      Note that the path component (virtual_host) always starts with a
      forward-slash.  This is necessary to distinguish between the virtual
      host '' (empty) and '/', which are both acceptable virtual host names.
      A virtual host of '/' becomes::
      .. code-block:: text
          amqp://guest:[email protected]:5672//
      and a virtual host of '' (empty) becomes:
      .. code-block:: text
          amqp://guest:[email protected]:5672/
      So the leading slash in the path component is **always required**.
    • 0️⃣ Now comes with default global connection and producer pools.

      The acquire a connection using the connection parameters from a :class:Connection:

      .. code-block:: pycon

      >>> from kombu import Connection, connections
      >>> connection = Connection('amqp://guest:[email protected]//')
      >>> with connections[connection].acquire(block=True):
      ...     # do something with connection

      To acquire a producer using the connection parameters from a :class:Connection:

      .. code-block:: pycon

      >>> from kombu import Connection, producers
      >>> connection = Connection('amqp://guest:[email protected]//')
      >>> with producers[connection].acquire(block=True):
      ...     producer.publish({'hello': 'world'}, exchange='hello')

      Acquiring a producer will in turn also acquire a connection from the associated pool in connections, so you the number of producers is bound the same limit as number of connections.

      The default limit of 100 connections per connection instance can be changed by doing:

      .. code-block:: pycon

      >>> from kombu import pools
      >>> pools.set_limit(10)

      The pool can also be forcefully closed by doing:

      .. code-block:: pycon

      >>> from kombu import pools
      >>> pool.reset()
    • 0️⃣ SQS Transport: Persistence using SimpleDB is now disabled by default, after reports of unstable SimpleDB connections leading to errors.

    • :class:Producer can now be used as a context manager.

    • Producer.__exit__ now properly calls release instead of close.

      The previous behavior would lead to a memory leak when using the :class:kombu.pools.ProducerPool

    • Now silences all exceptions from import ctypes to match behaviour of the standard Python uuid module, and avoid passing on MemoryError exceptions on SELinux-enabled systems (Issue #52 + Issue #53)

    • amqp is now an alias to the amqplib transport.

    • 0️⃣ kombu.syn.detect_environment now returns 'default', 'eventlet', or 'gevent' depending on what monkey patches have been installed.

    • Serialization registry has new attribute type_to_name so it is possible to lookup serializater name by content type.

    • Exchange argument to Producer.publish can now be an :class:Exchange instance.

    • 👍 compat.Publisher now supports the channel keyword argument.

    • Acking a message on some transports could lead to :exc:KeyError being raised (Issue #57).

    • Connection pool: Connections are no long instantiated when the pool is created, but instantiated as needed instead.

    • ✅ Tests now pass on PyPy.

    • Connection.as_uri now includes the password if the keyword argument include_password is set.

    • Virtual transports now comes with a default default_connection_params attribute.

    .. _version-1.2.1:

  • v1.2.1 Changes

    🚀 :release-date: 2011-07-29 12:52 P.M BST 🚀 :release-by: Ask Solem

    • Now depends on amqplib >= 1.0.0.

    • ✂ Redis: Now automatically deletes auto_delete queues at basic_cancel.

    • 🚚 serialization.unregister added so it is possible to remove unwanted seralizers.

    • 🛠 Fixes MemoryError while importing ctypes on SELinux (Issue #52).

    • Connection.autoretry is a version of ensure that works with arbitrary functions (i.e. it does not need an associated object that implements the revive method.

    Example usage:

    .. code-block:: python

        channel =
            ret, channel = connection.autoretry(send_messages, channel=channel)
    • ConnectionPool.acquire no longer force establishes the connection.

      The connection will be established as needed.

    • 👍 Connection.ensure now supports an on_revive callback that is applied whenever the connection is re-established.

    • Consumer.consuming_from(queue) returns True if the Consumer is consuming from queue.

    • Consumer.cancel_by_queue did not remove the queue from queues.

    • compat.ConsumerSet.add_queue_from_dict now automatically declared the queue if auto_declare set.

    .. _version-1.2.0:

  • v1.2.0 Changes

    🚀 :release-date: 2011-07-15 12:00 P.M BST 🚀 :release-by: Ask Solem

    • 🛠 Virtual: Fixes cyclic reference in Channel.close (Issue #49).

    • Producer.publish: Can now set additional properties using keyword arguments (Issue #48).

    • Adds Queue.no_ack option to control the no_ack option for individual queues.

    • 👍 Recent versions broke pylibrabbitmq support.

    • SimpleQueue and SimpleBuffer can now be used as contexts.

    • ✅ Test requirements specifies PyYAML==3.09 as 3.10 dropped Python 2.4 support

    • 0️⃣ Now properly reports default values in

    .. _version-1.1.6:

  • v1.1.6 Changes

    🚀 :release-date: 2011-06-13 04:00 P.M BST 🚀 :release-by: Ask Solem

    • 🛠 Redis: Fixes issue introduced in 1.1.4, where a redis connection failure could leave consumer hanging forever.

    • 👍 SQS: Now supports fanout messaging by using SimpleDB to store routing tables.

      This can be disabled by setting the supports_fanout transport option:

      >>> Connection(transport='SQS',
      ...            transport_options={'supports_fanout': False})
    • SQS: Now properly deletes a message when a message is acked.

    • SQS: Can now set the Amazon AWS region, by using the region transport option.

    • 0️⃣ amqplib: Now uses localhost as default hostname instead of raising an error.

    .. _version-1.1.5:

  • v1.1.5 Changes

    🚀 :release-date: 2011-06-07 06:00 P.M BST 🚀 :release-by: Ask Solem

    • 🛠 Fixes compatibility with redis-py 2.4.4.

    .. _version-1.1.4:

  • v1.1.4 Changes

    🚀 :release-date: 2011-06-07 04:00 P.M BST 🚀 :release-by: Ask Solem

    • Redis transport: Now requires redis-py version 2.4.4 or later.

    • 🆕 New Amazon SQS transport added.


      >>> conn = Connection(transport='SQS',
      ...                   userid=aws_access_key_id,
      ...                   password=aws_secret_access_key)

      The environment variables :envvar:AWS_ACCESS_KEY_ID and :envvar:AWS_SECRET_ACCESS_KEY are also supported.

    • 0️⃣ librabbitmq transport: Fixes default credentials support.

    • 👍 amqplib transport: Now supports login_method for SSL auth.

      :class:Connection now supports the login_method keyword argument.

      Default login_method is AMQPLAIN.

    .. _version-1.1.3: