Mailman 3 June 2011 - Python-announce-list

[ANN]: circuits 1.6 [oceans] (Lightweight Event driven Asynchronous Application Framework)
by James Mills 26 Jun '11

26 Jun '11

Hi, I'm pleased to announce the release of circuits 1.6 [oceans] This release adds full Python 3 compatibility and support while dropping the support for Python 2.5 (a maintainable branch will be kept available).. Also included in this release is the new and exciting "greenlet" support bringing easy-to-use core functionality with a synchronous-like API on top of circuits. This release also includes a number of minor bug fixes and greater test coverage. For more information see the PyPi page: pypi.python.org/pypi/circuits/ cheers James James Mills / prologic Developer | circuits, sahriswiki prologic(a)shortcircuit.net.au | softcircuit.com.au Twitter: therealprologic

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Python User Group International Survey
by Jesse Noller 24 Jun '11

24 Jun '11

The PSF is happy to launch today an international survey of Pythonuser group organizers to help it better serve the large and ever-expanding international Python user community. The survey contains questions on user group organization, events, demographics, and growth. There are some questions with numerical answers, and while your best guess is fine, you may find it helpful to gather some statistics on your user group membership before starting the survey (example statistics include the number of active members and the size and topics for recent user group events). We expect this survey to take around 30 minutes to complete. We appreciate your time and honesty in answering these questions. The PSF blog post announcing the survey: http://pyfound.blogspot.com/2011/06/tell-us-about-your-user-group.html The survey was written by Jessica McKellar (http://jesstess.com), organizer for the Boston Python Meetup (http://meetup.bostonpython.com), and Jesse Noller (http://jessenoller.com/), PSF board member and PyCon chair with input and feedback from survey specialists and others. https://www.surveymonkey.com/s/BWLG8SZ The survey was pretested with a handful of user group organizers, and their answers were phenomenal. Organizers have tons to say about these topics, and we hope to get a lot of great, actionable data for strengthening the relationship between the PSF and Python user groups out of this effort. Outreach, education, diversity and community building are critical for Python as a community, and the Foundation - this data should greatly assist in our targeting our resources and furthering the mission of the Foundation in all ways. Thank you The Python Software Foundation Jessica McKellar Jesse Noller

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[Reminder] 1 more week till Early Bird for PyCon Ireland 2011 ends
by Vicky Twomey-Lee 24 Jun '11

24 Jun '11

Hi All, Early bird (€50) will be available till Thursday, 30th June, only one more week to go! Student tickets (€40) and Normal tickets (€60) are also available for PyCon Ireland 2011 (Sat 8th - Sun 9th Oct). You can register here: https://secure.python.ie/pycon-ireland-2011/ Interested in giving a talk? You can submit your talks here: http://www.python.ie/pyconireland/callfor/#paper Interested in sponsoring PyCon Ireland 2011? Register interest here: http://www.python.ie/pyconireland/callfor/#sponsor More information: http://python.ie/pyconireland/ Cheers, /// Vicky Lee (PyCon Ireland 2011 Committee) ~~~~~~~~~~~~~~~~~~~~~~~~~ ~~ http://irishbornchinese.com ~~ ~~ http://www.python.ie ~~ ~~~~~~~~~~~~~~~~~~~~~~~~~

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GOZERBOT 0.9.2 RELEASED
by Bart Thate 24 Jun '11

24 Jun '11

Hello new world ! i’m glad to announce the release of version GOZERBOT 0.9.2, a bot that has been declared dead but has arrived from the pits of hell to serve our people here well ;] Discovered that SQLAlchemy has been fixed in such a way that it was easy to resurrect the thing, and release a new version of it. It’s not my intention to still maintain GOZERBOT as i prefer users to switch to JSONBOT but this switch is to be done in such a way that GOZERBOT users can port their data to JSONBOT in a proper way. Having GOZERBOT still up and running makes it easier for me to write the converting software as a GOZERBOT plugin, in which case i have better access to the data then when i have to access it from the outside. Ofcourse the conversion plugin is still to be written, but i hope that current GOZERBOT users can wait a little while before that is in place ;] You can get the new version from http://gozerbot.googlecode.com. For those who want to have a look at the future check http://jsonbot.org Well thats new from a happy camper that suddenly finds his path ahead. Grtx, Bart

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PySide 1.0.4 - "The winter is coming": Python for Qt released!
by Renato Araujo Oliveira Filho 22 Jun '11

22 Jun '11

PySide 1.0.4 - "The winter is coming": Python for Qt released! =================================================== The PySide team is proud to announce our monthly release of PySide project. Major changes ============== PySide now is 100% compatible with squish[1] About PySide ============ PySide is the Nokia-sponsored Python Qt bindings project, providing access to not only the complete Qt 4.7 framework but also Qt Mobility, as well as to generator tools for rapidly generating bindings for any C++ libraries. The PySide project is developed in the open, with all facilities you'd expect from any modern OSS project such as all code in a git repository [2], an open Bugzilla [3] for reporting bugs, and an open design process [4]. We welcome any contribution without requiring a transfer of copyright. List of bugs fixed ================== 882 Can't use QApplication without X 881 pyside-lupdate generates incorrect context when a class contains another class 879 QDoubleSpinBox: Can't call the parent validate() method from a subclass 877 Fatal Python error on application quit 875 Missing underscore.js in uploaded files 874 QApplication.winEventFilter(msg) not implemented but in docs 872 Squish GUI Tests work with QT & PyQt but not Pyside. 871 Shiboken should prevent custom code on virtual methods to cause infinite recursion. 870 QStylePainter.drawControl doesn't draw anything 869 QDateTimeEdit initial time problem 868 Returning color value from styleHint() hangs application 865 Apparent reference counting problem with event filters 863 QAbstractFileEngine::beginEntryList isn't exported to Python 862 Problems when printing objects 860 Problems with slot overloads 858 pyside-rcc produces bigger files than pyrcc4 853 MeeGo packages don't contain PySide.QtOpenGL module 827 Anchor sign for headers to copy links for sections 631 QSocketNotifier: Accept file-like object (with .fileno() method) in constructor 501 Shiboken generator doesn't use full qualified name (with :: prefix) on all places. 464 Can't create target lang package and namespace with the same name 424 QDockWidget.setTitleBarWidget does not accept 0 292 Rich comparison overload order issues Download ======== The files can be downloaded from PySide download page[2] References ========== [1] http://www.froglogic.com/ [2] http://qt.gitorious.org/pyside [3] http://bugs.openbossa.org/ [4] http://www.pyside.org/docs/pseps/psep-0001.html [5] http://developer.qt.nokia.com/wiki/PySideDownloads PySide Team

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ANN: ETS 4.0 released
by Ilan Schnell 22 Jun '11

22 Jun '11

Hello, I am happy to announce the release of ETS 4.0. This is the first major release of the Enthought Tool Suite in almost three years. This release removes the 'enthought' namespace from all projects. For example: from enthought.traits.api import HasTraits is now simply:: from traits.api import HasTraits For backwards compatibility, a proxy package 'etsproxy' has been added, which should permit existing code to work. For convenience this package also contains a refactor tool 'ets3to4' to convert projects to the new namespace (so that they don't rely on the 'etsproxy' package). If you want to download the source code of all ETS projects, you can download http://www.enthought.com/repo/ets/ALLETS-4.0.0.tar (41MB). The projects themselves are now hosted on: https://github.com/enthought We understand that the namespace refactor (which prompted this major release in the first place) is a big change, and even though we have tested examples and some of our own code against this ETS version, we expect there to be little glitches. We are therefore already planning a 4.0.1 bug-fix release in about 2-3 weeks. We are looking forward to your feedback (the development mailing list is enthought-dev(a)enthought.com), and hope you enjoy ETS 4. - Ilan

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Harmattan Python is available
by Luciano Wolf 22 Jun '11

22 Jun '11

The Harmattan Python team is proud to announce the availability of a full-featured Python environment for the MeeGo 1.2 Harmattan platform. Supported on Nokia's N9 phone and preloaded on the Nokia N950 developer device as well as the Harmattan Platform SDK, the Harmattan Python environment allows you to write Python applications with complete device functionality and flawless user experience. You can even publish your Python applications on Ovi Store! The Harmattan Python environment is built on top of PySide: Python for Qt, which provides the developers complete Python bindings for the Qt Developer Frameworks, including seamless support for Qt Quick and Qt Components. Qt Mobility is fully supported as well, together with a representative set of MeeGo Harmattan APIs. In addition to these, a comprehensive set of essential Python modules are made available for the developers. This release is a culmination of several years of hard work and offers the most complete and full-featured Python programming language support on any mobile platform. Harmattan Python comes batteries included! See our Harmattan Python home page and start hacking! http://wiki.meego.com/Harmattan_Python

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gcc python plugin and static analyser for CPython sources
by David Malcolm 21 Jun '11

21 Jun '11

I've been working on a new plugin for GCC, which supports embedding Python within GCC, exposing GCC's internal data structures as Python objects and classes. The plugin links against libpython, and (I hope) allows you to invoke arbitrary Python scripts from inside a compile. My aim is to allow people to write GCC "plugins" as Python scripts, and to make it much easier to prototype new GCC features. As an example of use for the plugin, I have also been writing a static analysis tool for checking the C code of CPython extension modules. So far this only checks the arguments passed to PyArg_ParseTuple*, but I'm working on autodetecting reference counting errors, and turning these into compile-time warnings (See [1]) The plugin is Free Software, licensed under the GPLv3 (or later). The code can be seen here: http://git.fedorahosted.org/git/?p=gcc-python-plugin.git;a=summary and the website for the plugin is the Trac instance here: https://fedorahosted.org/gcc-python-plugin/ The documentation is in the "docs" subdirectory (using sphinx). You can see a pre-built HTML version of the docs here: http://readthedocs.org/docs/gcc-python-plugin/en/latest/index.html It's still at the "experimental proof-of-concept stage"; expect crashes and tracebacks. However, it is already possible to use this to add additional compiler errors/warnings, e.g. domain-specific checks, or static analysis. One of my goals for this is to "teach" GCC about the common mistakes people make when writing extensions for CPython [1], but it could be used - e.g. to teach GCC about GTK's reference-counting semantics, - to check locking in the Linux kernel - to check signal-safety in APIs, etc - rapid prototyping Other ideas include visualizations of code structure. There are handy methods for plotting control flow graphs (using graphviz), showing the source code interleaved with GCC's internal representation, such as the one here: http://readthedocs.org/docs/gcc-python-plugin/en/latest/cfg.html It could also be used to build a more general static-analysis tool. The CPython API checker has the beginnings of this: Example output: test.c: In function ‘leaky’: test.c:21:10: error: leak of PyObject* reference acquired at call to PyList_New at test.c:21 [-fpermissive] test.c:22: taking False path at if (!list) test.c:24: reaching here item = PyLong_FromLong(42); test.c:27: taking True path at if (!item) test.c:21: returning NULL Numerous caveats right now (e.g. how I deal with loops is really dubious). It's disabled for now within the source tree (I need to fix my selftests to pass again...) It perhaps could be generalized to do e.g. {malloc,FILE*, fd} leaks, array bounds checking, int overflow, etc, but obviously that's a far bigger task. So far, I'm just doing a limited form of "abstract interpretation" (or, at least, based on my understanding of that term), dealing with explicit finite prefixes of traces of execution, tracking abstract values (e.g. NULL-ptr vs non-NULL-ptr) and stopping when the trace loops (which is just an easy way to guarantee termination, not a good one, but for my use-case is good enough, I hope. Plus it ought to make it easier to generate highly-readable error messages). Thanks to Red Hat for allowing me to devote a substantial chunk of $DAYJOB to this over the last couple of months. I hope this will be helpful to both the GCC and Python communities. Dave [1] see http://readthedocs.org/docs/gcc-python-plugin/en/latest/cpychecker.html and https://fedoraproject.org/wiki/Features/StaticAnalysisOfCPythonExtensions

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[ANN] Shed Skin 0.8
by Mark Dufour 21 Jun '11

21 Jun '11

Hi all, I have just released version 0.8 of Shed Skin, an experimental (restricted-)Python-to-C++ compiler. Please see my blog for the full announcement: http://shed-skin.blogspot.com The Shed Skin homepage can be found here: http://shedskin.googlecode.com Thanks, Mark Dufour -- http://www.youtube.com/watch?v=E6LsfnBmdnk

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ANN: Leo 4.9 final released
by Edward K. Ream 21 Jun '11

21 Jun '11

Leo 4.9 final is now available at: http://sourceforge.net/projects/leo/files/ Leo is a text editor, data organizer, project manager and much more. See: http://webpages.charter.net/edreamleo/intro.html The highlights of Leo 4.9: -------------------------- - The Qt gui completely replaces the Tk gui--Qt gui now has all essential features of Tk, including plugins. - Completed Leo's autocompleter. - The rendering pane can now display movies, html, svg images, etc. - The scrolledmessage plugin can now use the rendering pane. - Nodes may contain multiple @language directives. - Leo highlights URL's everywhere. Ctrl-click URL's opens them in your web browser. - Leo uses an @file node's extension by default if there is no @language directive in effect. - Unified extract and import commands. - Leo can now colorize multiple @language directives in a single node. - Plain up/down arrow keys in headline-editing mode select a new node. - New commands to insert, delete, change or print uA's. - Added namespace directive to .leo files. - Fixed many bugs, some important, most quite minor. Links: ------ Leo: http://webpages.charter.net/edreamleo/front.html Forum: http://groups.google.com/group/leo-editor Download: http://sourceforge.net/projects/leo/files/ Bzr: http://code.launchpad.net/leo-editor/ Quotes: http://webpages.charter.net/edreamleo/testimonials.html Edward K. Ream June 21, 2011

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