Python-announce-list January 2011

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[RELEASED] Python 3.2 rc 2
by Georg Brandl 31 Jan '11

31 Jan '11

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On behalf of the Python development team, I'm quite happy to announce the second release candidate of Python 3.2. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features are developed for 3.x only. Since PEP 3003, the Moratorium on Language Changes, is in effect, there are no changes in Python's syntax and built-in types in Python 3.2. Development efforts concentrated on the standard library and support for porting code to Python 3. Highlights are: * numerous improvements to the unittest module * PEP 3147, support for .pyc repository directories * PEP 3149, support for version tagged dynamic libraries * PEP 3148, a new futures library for concurrent programming * PEP 384, a stable ABI for extension modules * PEP 391, dictionary-based logging configuration * an overhauled GIL implementation that reduces contention * an extended email package that handles bytes messages * a much improved ssl module with support for SSL contexts and certificate hostname matching * a sysconfig module to access configuration information * additions to the shutil module, among them archive file support * many enhancements to configparser, among them mapping protocol support * improvements to pdb, the Python debugger * countless fixes regarding bytes/string issues; among them full support for a bytes environment (filenames, environment variables) * many consistency and behavior fixes for numeric operations For a more extensive list of changes in 3.2, see http://docs.python.org/3.2/whatsnew/3.2.html To download Python 3.2 visit: http://www.python.org/download/releases/3.2/ Please consider trying Python 3.2 with your code and reporting any bugs you may notice to: http://bugs.python.org/ Enjoy! - -- Georg Brandl, Release Manager georg at python.org (on behalf of the entire python-dev team and 3.2's contributors) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEARECAAYFAk1Gj6IACgkQN9GcIYhpnLC53wCfcZhc6bxbc+fsmi+PAJxM6npr Hh4An3QRdeyKHm+L3CqVk+EX02PxNx2r =sTu6 -----END PGP SIGNATURE-----

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[ANN]: sahriswiki 0.8
by James Mills 30 Jan '11

30 Jan '11

Hello, I'm pleased to announce the first public release of sahriswiki-0.8 What is sahriswiki ? =========== sahriswiki is a simple wiki engine written in a couple of weeks atop the circuits web framework (circuits.web). You can see a live demo of it running here: http://sahriswiki.org/ Get it from PyPi: http://pypi.python.org/pypi/sahriswiki/0.8 Following it's development at: https://bitbucket.org/prologic/sahriswiki/overview cheers James -- -- James Mills -- -- "Problems are solved by method"

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[ANN]: circuits-1.3.1
by James Mills 30 Jan '11

30 Jan '11

Hi, I'm pleased to announce circuits-1.3.1 a minor bug-fix release of the circuits framework/library. What is circuits ? ========== circuits is a Lightweight Event driven and Asynchronous Application Framework for the Python Programming Language with a strong Component Architecture. circuits also includes a lightweight, high performance and scalable HTTP/WSGI web server (with some similar features to CherryPy) as well as various I/O and Networking components. Get it from PyPi: http://pypi.python.org/pypi/circuits/1.3.1 Read the documentation: http://packages.python.org/circuits See the examples: https://bitbucket.org/prologic/circuits/src/1.3.1/examples/ Please give us feedback on the circuits-users groups http://groups.google.com/group/circuits-users or on the #circuits IRC Channel on the FreeNode IRC Network. cheers James -- -- James Mills -- -- "Problems are solved by method"

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[ANN] python-ghostscript 0.4
by Hartmut Goebel 29 Jan '11

29 Jan '11

Announcing: python-ghostscript 0.4 A Python-Interface to the Ghostscript C-API using ctypes :Copyright: GNU Public License v3 (GPLv3) :Author: Hartmut Goebel <h.goebel(a)crazy-compiler.com> :Homepage: http://bitbucket.org/htgoebel/python-ghostscript :Download: http://pypi.python.org/pypi/ghostscript `Ghostscript`__, is a well known interpreter for the PostScript language and for PDF. This package implements a interface to the Ghostscript C-API using `ctypes`__. Both a low-level and a pythonic, high-level interface are provided. __ http://www.ghostscript.com/ __ http://docs.python.org/library/ctypes.html This package is currently tested only under GNU/Linux. Please report whether it works in your environment, too. Thanks. Latest Changes ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * Fixed bug: typo in function call name ctypes.util.find_library * (Unix) No longer try to load a specific version (version 8) of libgs.so * Added low-level interface for set_stdio() plus wrappers for file handles * (win32) Improved search for best Ghostscript installation: Consider Aladdin and GNU Ghostscript, too; Check for existence of DLL found in registry; take highest version available. * Added win32 example-batch file for testing and other improvements/fixes on examples an documentation. Example ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Here is an example for how to use the high-level interface of `python-ghostscript`. This implements a very basic ps2pdf-tool:: import sys import ghostscript args = [ "ps2pdf", # actual value doesn't matter "-dNOPAUSE", "-dBATCH", "-dSAFER", "-sDEVICE=pdfwrite", "-sOutputFile=" + sys.argv[1], "-c", ".setpdfwrite", "-f", sys.argv[2] ] ghostscript.Ghostscript(*args) -- Regards Hartmut Goebel | Hartmut Goebel | h.goebel(a)crazy-compilers.com | | www.crazy-compilers.com | compilers which you thought are impossible |

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gevent 0.13.2 released
by Denis Bilenko 28 Jan '11

28 Jan '11

Hi! I'm happy to announce that Gevent 0.13.2 is released with a number of bug fixes and a new gevent.httplib module that implements fast HTTP client - wrapper around libevent-http. What is it? gevent is a coroutine-based Python networking library that uses greenlet to provide a high-level synchronous API on top of libevent event loop. Features include: * Fast event loop based on libevent (epoll on Linux, kqueue on FreeBSD). * Lightweight execution units based on greenlet. * API that re-uses concepts from the Python standard library (for example there are Events and Queues). * Cooperative sockets with ssl support. * DNS queries performed through libevent-dns. * Monkey patching utility to get 3rd party modules to become cooperative. * Fast WSGI server based on libevent-http. Homepage: http://www.gevent.org/ What's new in 0.13.2? Read the full changelog here: http://www.gevent.org/changelog.html Get it from PyPI: http://pypi.python.org/pypi/gevent Thanks to Tommie Gannert, Örjan Persson, Alexey Borzenkov. Ralf Schmitt, Nicholas Piël, Elizabeth Jennifer Myers, Ned Rockson, Jon Aslund. Cheers, Denis.

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alsaseq 0.4.1
by Patricio Paez 26 Jan '11

26 Jan '11

Hi all, This minor update to fix a bug in setup.py. alsaseq is a Python 3 and Python 2 module that allows to interact with ALSA sequencer clients. It can create an ALSA client, connect to other clients, send and receive ALSA events immediately or at a scheduled time using a sequencer queue. It provides a subset of the ALSA sequencer capabilities in a simplified model. It is implemented in C language and licensed under the Gnu GPL license version 2 or later. Home http://pp.com.mx/python/alsaseq Download http://pp.com.mx/python/alsaseq/alsaseq-0.4.1.tar.gz Regards, Patricio Páez pp at pp.com.mx

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Next python barcamp by pycologne
by Reimar Bauer 26 Jan '11

26 Jan '11

For english speaking people: We organize a PythonCamp on 16/17th of April in Cologne (Germany) Hallo liebe Pythonfreunde, die Python User Group Köln (http://pycologne.de), die monatlich am RRZK tagt, veranstaltet am Samstag, den 16.04.2011 und Sonntag den 17.04.2011 das PythonCamp 2011 in Köln. Das PythonCamp ist ein BarCamp, eine andere Art von Konferenz, wo der Eintritt frei ist und das Programm erst von den Teilnehmern vor Ort gestaltet wird. So kann man spontan mit anderen über eigene Ideen, Probleme und Projekte diskutieren, man kann spontan auf aktuelle Entwicklungen reagieren oder vielleicht ergibt sich das Thema spontan. Die Kerndaten: Datum: 16. und 17. April 2011 Ort: GFU Cyrus AG, Am Grauen Stein 27, 51105 Köln Homepage: http://pythoncamp.de Twitter: http://twitter.com/pythoncamp Wir hoffen euch möglichst zahlreich vor Ort zu sehen! cheers Reimar

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ANN: numexpr 1.4.2 released
by Francesc Alted 25 Jan '11

25 Jan '11

========================== Announcing Numexpr 1.4.2 ========================== Numexpr is a fast numerical expression evaluator for NumPy. With it, expressions that operate on arrays (like "3*a+4*b") are accelerated and use less memory than doing the same calculation in Python. What's new ========== This is a maintenance release. The most annying issues have been fixed (including the reduction malfunction introduced in 1.4 series). Also, several performance enhancements (specially for VML and small array operation) are included too. In case you want to know more in detail what has changed in this version, see: http://code.google.com/p/numexpr/wiki/ReleaseNotes or have a look at RELEASE_NOTES.txt in the tarball. Where I can find Numexpr? ========================= The project is hosted at Google code in: http://code.google.com/p/numexpr/ You can get the packages from PyPI as well: http://pypi.python.org/pypi/numexpr Share your experience ===================== Let us know of any bugs, suggestions, gripes, kudos, etc. you may have. Enjoy! -- Francesc Alted

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OSCON Call for Proposals (deadline 2/7)
by Aahz 25 Jan '11

25 Jan '11

OSCON (O'Reilly Open Source Convention), the premier Open Source gathering, will be held in Portland, OR July 25-29. We're looking for people to deliver tutorials and shorter presentations. http://www.oscon.com/oscon2011 http://www.oscon.com/oscon2011/public/cfp/144 Hope to see you there! -- Aahz (aahz(a)pythoncraft.com) <*> http://www.pythoncraft.com/ "All problems in computer science can be solved by another level of indirection." --Butler Lampson

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[ANN]: circuits 1.3
by James Mills 24 Jan '11

24 Jan '11

Hey all, After nearly a year of development I've finally decided to release circuits-1.3 -- There have been many changes (far too many to list here) and this time around I haven't really done a very good job of keeping any ReleaseNotes. For those that have used circuits-1.2.1 (the previous release) the transition isn't very steep as most things are the same just better :) Please see http://pypi.python.org/pypi/circuits/ for more details and the bitbucket home page http://bitbucket.org/prologic/circuits/ I plan to release "more often" so see you again! cheers James -- -- James Mills -- -- "Problems are solved by method"

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Python-announce-list January 2011