Mailman 3 December 2009 - Python-announce-list

[RELEASED] Python 2.7 alpha 1
by Benjamin Peterson 05 Dec '09

05 Dec '09

On behalf of the Python development team, I'm pleased to announce the first alpha release of Python 2.7. Python 2.7 is scheduled to be the last major version in the 2.x series. It includes many features that were first released in Python 3.1. The faster io module, the new nested with statement syntax, improved float repr, and the memoryview object have been backported from 3.1. Other features include an ordered dictionary implementation, unittests improvements, and support for ttk Tile in Tkinter. For a more extensive list of changes in 2.7, see http://doc.python.org/dev/doc/whatsnew/2.7.html or Misc/NEWS in the Python distribution. Please note that this is a development release, intended as a preview of new features for the community, and is thus not suitable for production use. To download Python 2.7 visit: http://www.python.org/download/releases/2.7/ The 2.7 documentation can be found at: http://docs.python.org/2.7 Please consider trying Python 2.7 with your code and reporting any bugs you may notice to: http://bugs.python.org Have fun! -- Benjamin Peterson Release Manager benjamin at python.org (on behalf of the entire python-dev team and 2.7's contributors)

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execnet-1.0.1: more robust and rapid python deployment
by holger krekel 05 Dec '09

05 Dec '09

Hi everybody, Just uploaded execnet-1.0.1 featuring a new motto: execnet is about rapid-python deployment, be it for multiple CPUs, different platforms or python versions. This release brings a bunch of refinements and most importantly more robust termination, handling of CTRL-C and automatically tested documentation:: http://codespeak.net/execnet have fun, holger 1.0.1 -------------------------------- - revamp and better structure documentation - new method: gateway.hasreceiver() returns True if the gateway is still receive-active. remote_status now only carries information about remote execution status. - new: execnet.MultiChannel provides basic iteration/contain interface - new: execnet.Group can be indexed by integer - new: group.makegateway() uses group.default_spec if no spec is given and the execnet.default_group uses ``popen`` as a default spec. - have popen-gateways use imports instead of source-strings, also improves debugging/tracebacks, as a side effect popen-gateway startup can be substantially faster (>30%) - refine internal gateway exit/termination procedure and introduce group.terminate(timeout) which will attempt to kill all subprocesses that did not terminate within time. - EOFError on channel.receive/waitclose if the other side unexpectedly went away. When a gateway exits it now internally sends an explicit termination message instead of abruptly closing. - introduce a timeout parameter to channel.receive() and default to periodically internally wake up to let KeyboardInterrupts pass through. - EXECNET_DEBUG=2 will cause tracing to go to stderr, which with popen slave gateways will relay back tracing to the instantiator process. 1.0.0 -------------------------------- * introduce execnet.Group for managing gateway creation and termination. Introduce execnet.default_group through which all "global" calls are routed. cleanup gateway termination. All Gateways get an id through which they can be retrieved from a group object. * deprecate execnet.XYZGateway in favour of direct makegateway() calls. * refine socketserver-examples, experimentally introduce a way to indirectly setup a socket server ("installvia") through a gateway url. * refine and automatically test documentation examples 1.0.0b3 -------------------------------- * fix EXECNET_DEBUG to work with win32 * add support for serializing longs, sets and frozensets (thanks Benjamin Peterson) * introduce remote_status() method which on the low level gives information about the remote side of a gateway * disallow explicit close in remote_exec situation * perform some more detailed tracing with EXECNET_DEBUG 1.0.0b2 -------------------------------- * make internal protocols more robust against serialization failures * fix a seralization bug with nested tuples containing empty tuples (thanks to ronny for discovering it) * setting the environment variable EXECNET_DEBUG will generate per process trace-files for debugging 1.0.0b1 ---------------------------- * added new examples for NumPy, Jython, IronPython * improved documentation * include apipkg.py for lazy-importing * integrated new serializer code from Benjamin Peterson * improved support for Jython-2.5.1 1.0.0alpha2 ---------------------------- * improve documentation, new website * use sphinx for documentation, added boilerplate files and setup.py * fixes for standalone usage, adding boilerplate files * imported py/execnet and made it work standalone

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Announcing the formation of the PyHam, the Birmingham (AL) Python Users Group
by Mark Freeman 05 Dec '09

05 Dec '09

A new Python users group is forming in Birmingham, AL USA. We will be holding a planning meeting at Roque on December 10th at 5:30pm. See our group page (http://groups.google.com/group/pyham) for more details.. While you are there, join the group and say hello! Mark Freeman

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Registration open for DjangoSki Conference, March 2-4 2010
by Andy McKay 04 Dec '09

04 Dec '09

Registration is now open for the first DjangoSki Conference in Whistler, March 2-4 2010. http://djangoski.com DjangoSki is a conference with a difference. It's set in the ski resort of Whistler and is half conference, half un-conference and, erm, half skiing. Come to the conference and meet with our keynote speakers: Jacob Kaplan-Moss, Matt Berg and David Ascher [1], then go skiing on the hills with everyone in the afternoon. Talk submission is now open. If you'd like to speak there, we'd love to hear you talk. Ad-hoc talks, birds of a feather and so on are also a big part of the conference [2] Afternoons, we break for skiing before reconvening in the evening [3] There's lots more to talk about, but check out the website for more. Early birds are on a first come, first served basis, so register soon. [4] We look forward to seeing you there. [1] http://www.clearwind.ca/djangoski/keynotes.html [2] http://www.clearwind.ca/djangoski/keynotes.html#pre [3] http://www.clearwind.ca/djangoski/when.html [4] http://www.clearwind.ca/djangoski/register.html [5] ...and oh, it's snowing like crazy: http://bit.ly/8goJIc -- Andy McKay, @clearwind Training: http://clearwind.ca/training/ Whistler conference: http://clearwind.ca/djangoski/

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ANN: PyMQI 1.0 - Python WebSphere MQ interface
by Dariusz Suchojad 03 Dec '09

03 Dec '09

Hi, I'm happy to announce the release of PyMQI 1.0. *Introduction* PyMQI allows users to connect Python applications to WebSphere MQ queue managers. It can be used to develop test harnesses for WebSphere MQ based systems, for rapid prototyping of WebSphere MQ applications, for development of administrative GUIs or for mainstream WebSphere MQ application development. PyMQI has been used in production environments for several years on Linux, Windows, Solaris and AIX with queue managers running on Linux, Windows, Solarix, AIX and z/OS mainframe. Supported WebSphere MQ versions are 5.0, 5.1, 5.3, 6.0 and 7.0. *What's new* * Added support for WebSphere MQ 7.0 * Added support for 64bit queue managers (special thanks to Brent S. Elmer, Ph.D., for his outstanding contributions) * PyMQI is now by default built in client mode * Added new WebSphere MQ constants to the pymqi.CMQCX module * Documentation is now hosted at http://packages.python.org/pymqi/ * The new development site is at https://launchpad.net/pymqi/ *Hello world with PyMQI* Here's an example showing how easy it is to connect to WebSphere MQ and to put a message on the queue. import pymqi qmgr = pymqi.QueueManager(None) qmgr.connectTCPClient("QM.1", pymqi.cd(), "SVRCONN.CHANNEL.1", "192.168.1.121(1434)") q = pymqi.Queue(qmgr, "TEST.QUEUE.1") q.put("Hello world") *Links* Download: https://launchpad.net/pymqi/+download Documentation: http://packages.python.org/pymqi/ Development site: https://launchpad.net/pymqi/ regards, -- Dariusz Suchojad

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[ANN] pyxser-1.3r-p1 --- Python XML Serialization/Deserialization Extension
by Daniel Molina Wegener 03 Dec '09

03 Dec '09

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hello Python Community. I'm pleased to announce pyxser-1.3r-p1, a python extension which contains functions to serialize and deserialize Python Objects into XML. It is a model based serializer. Here is the ChangeLog entry for this release: - ---8<--- 1.3r-p1 (2009.11.30): Daniel Molina Wegener <dmw(a)coder.cl> * pyxser_tools.c: Removed bug concerning deserialization of collection elements; pyxser now can handle extension declared classes, such as boost::python ones --- thanks to the suggestions made by Daniel Filonik. * pyxser.c: Added selector as optional argument used as callback to select object attributes to being serialized. * pyxser_string.c: Removed bug concerning unicode serialization. Thanks pyxser users for your feedback... - ---8<--- The project is hosted at: http://sourceforge.net/projects/pyxser/ The web page for the project is located at: http://coder.cl/products/pyxser/ For a sample article on how to integrate pyxser with ZSI WebServices: http://coder.cl/2009/10/18/pyxser-and-zsi-webservices/ Thanks and best regards, - -- | Daniel Molina Wegener <dmw [at] coder [dot] cl> | | IT Consulting & Software Developer | | http://coder.cl/ | -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iQIcBAEBCgAGBQJLF7dGAAoJEHxqfq6Y4O5NfJAQAMjwfg6Tt/+EFXbnRy76/mvG cmvWsx8l/7mzWzXHqWHsOXd+zA3RQIC5etE/AQwO2rWPBWlXeXDdwM6hQL0KY4oa G4jAQArfkCV44wBvIOxnr7SUTNcrMRDZrlqHa89ZdqWOBU/qMN6LAy0VfZAJaN7F ra694K5m4xWOltonBLR0Ci5LxC2+imgQCeAWqfsih+PBOKQ9lrjQAmnQ6DOyMdO0 Ri1fxdGwAA+stc47SN45NRWXIbr0lFgWa/ghGnXa2u1ZvUkqoQR0m7ARTTS5C+1D NnmTOod4js2dimkL/0+LVvDIJ8lI+MKq8uBegAZgmtXUhc5yMPkHibMo0wfAO/vp cLAlzt0jwGs9vGHPBFCr8+/tt7OxxeB5GXF9ePUV6M78Qe10l2b4jUqsOHQct0TC OuW6228Gh8G7FFcUZ4T6LVjSC1rCav66PHjT0FXVPfPrE4dxPMMLenExmT5rAoMi /+QrIYJB1ak5EUVfvCWqDedJi2HzWCzcpecrnHHZsDoH8B+GStIzwq45o4KbaQmB wVMvw8yc5AAD+rxBBOZxuQL6v5hUt9MV+pYOHQ/mZ+ivP7SOAwD5s56jv3XzHbyu ZBpSdRbyiDsTM8YMtAxy2iglIScpdrTYuthW2NnGi1oddZAvZrwx6hU4ZbIutdNR Zc/zlo3+TfT0qXN0HM48 =2hWx -----END PGP SIGNATURE-----

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ANN: Twisted 9.0.0
by Christopher Armstrong 02 Dec '09

02 Dec '09

= Twisted 9.0.0 = I'm happy to announce Twisted 9, the first (and last) release of Twisted in 2009. The previous release was Twisted 8.2 in December of 2008. Given that, a lot has changed! This release supports Python 2.3 through Python 2.6, though it is the last one that will support Python 2.3. The next release will support only Python 2.4 and above. Twisted: the framework of the future! You can download the new release at our web site, http://twistedmatrix.com/ There were around 285 tickets resolved in this release. The full list of changes is available here: http://twistedmatrix.com/trac/browser/tags/releases/twisted-9.0.0/NEWS?form… It's quite a huge list of changes spanning almost all of the Twisted projects, so here are some of the more exciting changes: In the core: - The Windows IOCP reactor now supports SSL. - The memcache protocol implementation got some nice new features. In Twisted Web: - There's a new HTTP client API and protocol implementation, starting at twisted.web.client.Agent. It's still pretty low-level, but much more flexible than the old API. - There were many improvements to the WSGI support. In Twisted Conch: - PyASN1 is now used to parse SSH keys (which means you now need to install it to use Conch). - SFTP servers (especially on Windows) now behave a lot better. In Twisted Mail: - The IMAP server and client protocol implementations had many fixes. For example, SASL PLAIN credentials now work. In Twisted Words: - XMPP clients now support the ANONYMOUS SASL authentication type. - The IRC protocol implementations had many fixes. And a lot more. = What is Twisted? = >From the web site: Twisted is an event-driven networking engine written in Python and licensed under the MIT license. See the FAQ for commonly asked questions about Twisted. http://twistedmatrix.com/trac/wiki/FrequentlyAskedQuestions If you want to get started with Twisted, the first thing you should do is read the Twisted Core Documentation. http://twistedmatrix.com/projects/core/documentation/howto/index.html Twisted projects variously support TCP, UDP, SSL/TLS, multicast, Unix sockets, a large number of protocols (including HTTP, NNTP, IMAP, SSH, IRC, FTP, and others), and much more. Enjoy! -- Christopher Armstrong http://radix.twistedmatrix.com/ http://planet-if.com/

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[ANN] doit 0.5
by Eduardo Schettino 02 Dec '09

02 Dec '09

doit - Automation Tool doit comes from the idea of bringing the power of build-tools to execute any kind of task. It will keep track of dependencies between "tasks" and execute them only when necessary. It was designed to be easy to use and "get out of your way". doit can be used as: * a build tool (generic and flexible) * home of your management scripts (it helps you organize and combine shell scripts and python scripts) * a functional tests runner (combine together different tools) homepage: http://python-doit.sourceforge.net/ PyPi: http://pypi.python.org/pypi/doit license: MIT contact: https://launchpad.net/~schettino72 Regards, Eduardo

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PyLinkedIn 0.02
by Max Lynch 01 Dec '09

01 Dec '09

Hi, I wrote a small library to interact with the newly opened LinkedIn OAuth API. Right now you can get the status of the current user and his/her connections. More will be added as needed in my own software. At least one person found it useful so far, so I hope some other people do as well. http://code.google.com/p/pylinkedin/ Thanks, Max Lynch

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Moving from Python 2 to Python 3: A 4 page "cheat sheet"
by Mark Summerfield 01 Dec '09

01 Dec '09

I've produced a 4 page document that provides a very concise summary of Python 2<->3 differences plus the most commonly used new Python 3 features. It is aimed at existing Python 2 programmers who want to start writing Python 3 programs and want to use Python 3 idioms rather than those from Python 2 where the idioms differ. It uses Python 3.1 syntax since that looks like being the standard for a few years in view of the language moratorium. The document is U.S. Letter size but will also print fine on A4 printers. It is available as a free PDF download (no registration or anything) from InformIT's website. Here's the direct link: http://ptgmedia.pearsoncmg.com/imprint_downloads/informit/promotions/python… And of course, if you want more on Python 3, there's always the documentation---or my book:-) "Programming in Python 3 (Second Edition)" ISBN-10: 0321680561. -- Mark Summerfield, www.qtrac.eu

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