Changelogs » Amqplib

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Amqplib

1.0.2

Fix a packaging problem for Windows users, no changes
  to the actual Python code.

1.0.1

A one-line change to transport.py to fix a problem older
  FreeBSDs have with socket.getaddrinfo()
  
  Otherwise just packaging changes to include more Trove
  classifiers and docs/tests/etc in the source distribution file.

1.0.0

Big speedup for sending large messages.  For example, sending
  a single 100MB message on my machine goes from 90 seconds to
  around 0.6 seconds.
  
  Use setuptools if available, for enhanced functionality
  for packagers.
  
  Raise a ValueError if unserializable objects are present in
  a Message's application_headers, instead of just quietly failing
  and causing a connection to close.
  
  Message objects can now be pickled/unpickled, previously unpickling
  raised a RuntimeError: maximum recursion depth exceeded
  
  PYTHON 3.x COMPATIBILITY
  
  Code has been tweaked so that when 2to3 is run over the client
  library and the unittests, the unittests will pass for Python
  3.0, 3.1 and 3.2
  
  There are some subtle behavioral changes to deal with how Python
  3.x needs to encode/decode strings and they go/come over the
  wire.  Message bodies are encoded at transmission time, instead
  of Message object creation time.  Message application_header
  strings are assumed to be encoded as UTF-8
  
  Add support for queue_unbind, since RabbitMQ supports it as an extension
  to the 0-8 protocol.
  
  Add IPv6 support.  The client uses socket.getaddrinfo(), so you can use
  domain names with AAAA DNS records, or IPv6 literal addresses.  If you
  need to specify a port number along with a literal address, put the
  address in square brackets (see RFC 2732), for example:
  [::1]:5672
  
  Some minor TCP changes, enabling keepalive, NODELAY (big speed
  improvement there), shutting down sockets before closing to keep from
  losing data (on Windows mainly?)

0.6.1

One minor change to watch out for is that low-level errors
  such as a closed connection now appear as IOExceptions
  instead of
  
  TypeError: 'NoneType' object is not iterable
  
  which never really explained anything.
  
  Fix potential problem with library getting stuck in a loop
  if the peer closed the socket.  Also, break a few more references
  when closing Connections and Channels, to help garbage collection.
  Thanks for majek04... for pointing these out.
  
  Add support for using Connection and Channel objects as context
  managers for 'with' statements (available in Python >= 2.5), so you
  can write code like:
  
  with Connection() as conn:
  with conn.channel() as ch:
  do stuff with ch and conn
  
  and have the Channel and Connection objects closed automatically
  when the blocks exit.

0.6

Very large rearrangement of code, breaking the large client_0_8.py
  module into submodules based on the various layers of the AMQP protocol.
  The public API is unchanged however, so existing code that uses amqplib
  should be unaffected.
  
  ----
  
  nb_client_0_8.py and demos/nbdemo_receive.py were removed because of
  the major changes to the main client to lay the groundwork for future
  non-blocking behaviors (see http://hg.barryp.org/py-amqplib-devel/ )
  
  ----
  
  More unittests added.

0.5

Get rid of Python 2.5-style conditional expressions, for
  compatibility with Python 2.4  Thanks to Alexey Timanovsky
  for pointing this out.
  
  Send debugging output through the standard Python 'logging' module
  instead of directly printing to the console.
  
  Reworked the guts of the Connection and Channel classes
  to untangle the mess that controlled how frames were
  waited for and queued up.  Should fix problems seen with
  basic_deliver messages coming when the client is expecting
  responses to other synchronous calls.
  
  Added non-blocking client and demo, from
  Dmitriy Samovskiy <dmitriy.samovskiycohesiveft.com>:
  -----------------------
  We put together an add-on for py-amqplib that implements AMQP client
  with non-blocking sockets (see NonBlockingConnection class and
  nbloop() function in nbclient_0_8.py). nbdemo_receive.py is a demo
  script, and nbclient.zip includes both nbclient_0_8.py and
  nbdemo_receive.py.
  
  There are at least 2 scenarios where non-blocking sockets help, and
  both are applicable to consumers:
  
  1) when you want to be able to interrupt consumer's event loop
  without waiting for a next incoming message;
  2) when you want to consume messages from multiple brokers (or over
  multiple connections) in a single event loop.
  
  Did some profiling, found a big problem that caused a huge huge
  number of unnecessary __getattr_ calls.  Ran pylint and found some
  bad coding style problems.

0.3

Improved skeleton generating program to include much more
  information in the Python docstrings that was present in the AMQP
  spec file. Merged in the improved docstrings into the client module.
  
  After having a better look now at the pydocs, it turns out that in
  several methods, a default value of '' can be used for queue names
  and exchange names, so update method signatures to take advantage of
  that.
  
  Channel.queue_bind() can also take '' as a queue parameter, but
  unfortunately we can't set that as a default value because
  the exchange parameter can't have a default value.  In hindsight
  those args should have been swapped, but it's too late now.
  
  Deal with no callback being specified in basic_consume(), it
  should now quietly discard messages.

0.2

Changed the default value for the auto_delete parameter
  in the Channel.exchange_declare and Channel.queue_declare
  methods to True.
  
  Added an 'insist' parameter to the Connection class
  constructor, defaulting to False.  Setting it to True
  indicates to the AMQP server that you don't want to
  be redirected (you're insisting to connect to the
  specified server).
  
  Added support for being redirected to another AMQP
  server when a Connection is opened.
  
  Added tests/fake_redirect_0_8.py to help with testing
  redirect support.

0.1

Initial version