Mailman 3 May 2007 - Python-announce-list

PyPy EU project period finishing up
by holger krekel 14 May '07

14 May '07

Hi all, puh! ... The 28 months of the PyPy[*] EU project period have been an intense experience on many levels. We wrote a summary of results, development methods and experiences here: http://codespeak.net/pypy/extradoc/eu-report/PYPY-EU-Final-Activity-Report.… and are now heading for the final review meeting in Bruxelles (31st May). Most involved people look forward to some resting and letting the dust settle before tackling next steps and sprints. best, holger [*] The PyPy project aims to generate flexible and fast Python Implementations for various target environments and provides largely re-usable capabilities for implementing other dynamic languages. More info: http://codespeak.net/pypy -- merlinux GmbH Steinbergstr. 42 31139 Hildesheim http://merlinux.de tel +49 5121 20800 75 (fax 77)

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Hamburg Pythoneers Monthly Meeting: May, 16
by Bastian Bowe 14 May '07

14 May '07

+++++ Hamburg Python User Group April Meeting +++++ I am pleased to announce our next user group meeting: Wednesday, May 16, 2007 at 7:00pm Location: DDD Design GmbH, Jarrestrasse 46, 22303 Hamburg. Berthold Höllmann talks about two topics: - numpy - "The fundamental package needed for scientific computing with Python" (http://numpy.scipy.org) - Extending Python in C/C++/FORTRAN using different options RSVP now at http://python.meetup.com/179/calendar/5660007/ If you're interested in learning more, please visit our website at meetup.com: http://python.meetup.com/179/ -- GMX FreeMail: 1 GB Postfach, 5 E-Mail-Adressen, 10 Free SMS. Alle Infos und kostenlose Anmeldung: http://www.gmx.net/de/go/freemail

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Seeking Four Code Samples for Forrester Research Survey
by Jeff Rush 14 May '07

14 May '07

In working up a response to the survey being conducted by Forrester Research on dynamic languages, there is a section wherein they want to see code samples. The samples must include all code written for the example, and URLs to any frameworks or modules used. Their objective is to see how efficient/elegant the language is for developers. This is one area in which Python should excel. 1) Render a simple Web page containing text, data, and graphics, as specified in this wireframe mockup: http://dfwpython.org/uploads/Forrester/WireframeShot-1.jpg With the myriad number of web frameworks for Python, this is hard but let's pick those a few that are most expressive, as the person evaluating it may not be familiar with Python per se, but be looking for readability. 2) Invoke a simple Web service and format/display the results. This can be either web services or REST, whichever one looks cleanest. 3) Create a mash-up that overlays local temperature data onto a Google map. 4) Create a simple form for data submission with fields and drop down selects and a submit button, as specified in this wireframe mockup. At least one field should be validated. http://dfwpython.org/uploads/Forrester/WireframeShot-2.jpg To help our community's standing in the survey, and perhaps promotion of your favorite web framework, please consider picking one of these or providing a trimmed down example of existing code. Send it via private email to me, and I'll get it included in the survey response. Forrester's deadline to us is by the end of this week, May 18th. Thanks, Jeff Rush Python Advocacy Coordinator

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bbfreeze 0.93.1
by Ralf Schmitt 14 May '07

14 May '07

Hi all, I've just uploaded bbfreeze 0.93.1 to python's cheeseshop. bbfreeze creates standalone executables from python scripts. It's similar in functionality to py2exe or cx_Freeze. It offers the following features: easy installation bbfreeze can be installed with setuptools' easy_install command. *NEW* zip/egg file import tracking bbfreeze tracks imports from zip files. Note that calls to setuptools' pkg_resources.require will be replaced with a dummy implementation. Calls to resource handling functions are *not* implemented, and freezing packages using these features of pkg_resources will not be possible without further work. multiple script freezing bbfreeze can freeze multiple scripts at once. python interpreter included bbfreeze will create an extra executable named 'py', which might be used like the python executable itself. bbfreeze works on windows and UNIX-like operating systems. It currently does not work on OS X. bbfreeze has been tested with python 2.4 and 2.5. bbfreeze will not work with python versions prior to 2.3 as it uses the zipimport feature introduced with python 2.3. Links -------- cheese shop entry: http://cheeseshop.python.org/pypi/ bbfreeze/<http://cheeseshop.python.org/pypi/bbfreeze/> homepage: http://systemexit.de/bbfreeze/ mercurial repository: http://systemexit.de/repo/bbfreeze Regards, - Ralf

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[ANNOUNCE] Thirty-sixth release of PythonCAD now available
by Art Haas 14 May '07

14 May '07

Hi. I'm pleased to announce the thirty-sixth development release of PythonCAD, a CAD package for open-source software users. As the name implies, PythonCAD is written entirely in Python. The goal of this project is to create a fully scriptable drafting program that will match and eventually exceed features found in commercial CAD software. PythonCAD is released under the GNU Public License (GPL). PythonCAD requires Python 2.2 or newer. The interface is GTK 2.0 based, and uses the PyGTK module for interfacing to GTK. The design of PythonCAD is built around the idea of separating the interface from the back end as much as possible. By doing this, it is hoped that both GNOME and KDE interfaces can be added to PythonCAD through usage of the appropriate Python module. Addition of other PythonCAD interfaces will depend on the availability of a Python module for that particular interface and developer interest and action. The thirty-sixth release of PythonCAD is primarily a bug-fix release. A number or bugs relating to saving and loading user preferences that appeared in the thirty-fifth release have been fixed. Also, several number of bugs involving entity redrawing have been corrected, as well as bugs regarding the typing of various commands within the text entry box in the display. A mailing list for the development and use of PythonCAD is available. Visit the following page for information about subscribing and viewing the mailing list archive: http://mail.python.org/mailman/listinfo/pythoncad Visit the PythonCAD web site for more information about what PythonCAD does and aims to be: http://www.pythoncad.org/ Come and join me in developing PythonCAD into a world class drafting program! Art Haas -- Man once surrendering his reason, has no remaining guard against absurdities the most monstrous, and like a ship without rudder, is the sport of every wind. -Thomas Jefferson to James Smith, 1822

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ANN: Completed Introductory Python Video Series (German, 14-part ShowMeDo series)
by Ian Ozsvald 13 May '07

13 May '07

Summary: Lucas and Marius have completed their 14-part Introductory Python video series. The audio is currently in *German* but the text is easy enough to follow and an English-language version may be possible (see below): http://showmedo.com/videos/series?name=pythonHollandIntroToPythonSeries_ger… Details: Lucas Holland and Marius Meinert have been building this free ShowMeDo tutorial series for several months. In 14-parts they cover many topics including: Installing, Printing, Comments and Variables, Operators, OOP, Functions, Containers (lists, dictionaries), Control structures, and more. This series lives in our Python section (94 videos and growing): http://showmedo.com/videos/python Please do leave Lucas and Marius a Thank-You comment and login to give them a Thumbs-Up vote to encourage more series like this one. English-language translation? It might be possible to arrange an English-language version of this series. If you would be interested in seeing this then please login to ShowMeDo and leave a comment requesting this on the series. About Lucas and Marius: http://showmedo.com/videos/?author=79 http://showmedo.com/videos/?author=166 About ShowMeDo.com: Free videos (we call them ShowMeDos) showing you how to do things. The videos are made by us and our users, for everyone. 94 of our 203 videos are for Python: http://showmedo.com/videos/python We'd love to have more contributions - would you share what you know? Sharing is easy, full instructions are here: http://showmedo.com/submissionsForm The founders, Ian Ozsvald, Kyran Dale http://ShowMeDo.com

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[ANN] PyYAML-3.05: YAML parser and emitter for Python
by Kirill Simonov 12 May '07

12 May '07

======================== Announcing PyYAML-3.05 ======================== A new bug fix release of PyYAML is now available: http://pyyaml.org/wiki/PyYAML Changes ======= * Windows binary packages were built with LibYAML trunk. * Fixed a bug that prevent processing a live stream of YAML documents in timely manner (Thanks edward(at)sweetbytes(dot)net). * Fixed a bug when the path in add_path_resolver contains boolean values (Thanks jstroud(at)mbi(dot)ucla(dot)edu). * Fixed loss of microsecond precision in timestamps (Thanks edemaine(at)mit(dot)edu). * Fixed loading an empty YAML stream. * A number of smaller fixes and improvements (see http://pyyaml.org/wiki/PyYAML#History for more details). Resources ========= PyYAML homepage: http://pyyaml.org/wiki/PyYAML PyYAML documentation: http://pyyaml.org/wiki/PyYAMLDocumentation TAR.GZ package: http://pyyaml.org/download/pyyaml/PyYAML-3.05.tar.gz ZIP package: http://pyyaml.org/download/pyyaml/PyYAML-3.05.zip Windows installer: http://pyyaml.org/download/pyyaml/PyYAML-3.05.win32-py2.3.exe http://pyyaml.org/download/pyyaml/PyYAML-3.05.win32-py2.4.exe http://pyyaml.org/download/pyyaml/PyYAML-3.05.win32-py2.5.exe PyYAML SVN repository: http://svn.pyyaml.org/pyyaml Submit a bug report: http://pyyaml.org/newticket?component=pyyaml YAML homepage: http://yaml.org/ YAML-core mailing list: http://lists.sourceforge.net/lists/listinfo/yaml-core About PyYAML ============ YAML is a data serialization format designed for human readability and interaction with scripting languages. PyYAML is a YAML parser and emitter for Python. PyYAML features a complete YAML 1.1 parser, Unicode support, pickle support, capable extension API, and sensible error messages. PyYAML supports standard YAML tags and provides Python-specific tags that allow to represent an arbitrary Python object. PyYAML is applicable for a broad range of tasks from complex configuration files to object serialization and persistance. Example ======= >>> import yaml >>> yaml.load(""" ... name: PyYAML ... description: YAML parser and emitter for Python ... homepage: http://pyyaml.org/wiki/PyYAML ... keywords: [YAML, serialization, configuration, persistance, pickle] ... """) {'keywords': ['YAML', 'serialization', 'configuration', 'persistance', 'pickle'], 'homepage': 'http://pyyaml.org/wiki/PyYAML', 'description': 'YAML parser and emitter for Python', 'name': 'PyYAML'} >>> print yaml.dump(_) name: PyYAML homepage: http://pyyaml.org/wiki/PyYAML description: YAML parser and emitter for Python keywords: [YAML, serialization, configuration, persistance, pickle] Copyright ========= The PyYAML module is written by Kirill Simonov <xi(a)resolvent.net>. PyYAML is released under the MIT license.

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Jython 2.2 Beta2 is available
by Charlie Groves 11 May '07

11 May '07

I'm happy to announce that Jython 2.2-beta2 is available for download: http://sourceforge.net/project/showfiles.php?group_id=12867&package_id=1221… See http://jython.org/Project/installation.html for installation instructions. This is the second and final beta release towards the 2.2 version of Jython. It includes fixes for more than 30 bugs found since the first beta and the completion of Jython's support for new-style classes. Enjoy! Charlie

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Let's make Python the core system administration tool
by George Belotsky 10 May '07

10 May '07

My article, "Rethinking the Linux Distribution", was published today on O'Reilly ONLamp. http://www.onlamp.com/pub/a/onlamp/2007/05/10/rethinking-the-linux-distribu… I have done a lot of research on what the Linux distribution should look like in the emerging Web 2.0/SaaS/Web OS world, and came up with a set of recommendations. The recommendations are backed by running examples (with source code) and lots of references. The article also discusses governance of Free/Open Source projects. One of my major suggestions is to replace the traditional shell-based administration infrastructure with Python. I cover a relatively recent, highly rated Linux distribution, which has already started down this path. The article includes an example of using IPython and Matplotlib for system administration. Hope everyone here will enjoy considering a Linux (or *BSD) distribution, where the core system infrastructure is all in Python. George.

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[ANN] pyx12-1.4.0 released
by John Holland 10 May '07

10 May '07

pyx12-1.4.0 is available at http://pyx12.sourceforge.net/ What is Pyx12? ============== Pyx12 is a HIPAA X12 document validator and converter. X12 files are a form of electronic data interchange. The HIPAA transaction standard requires certain types of healthcare data to be transmitted in this form. Pyx12 parses an ANSI X12N (Healthcare) data file and validates it against a representation of the Implementation Guidelines for a HIPAA transaction. By default, it creates a 997 response. It can also create an HTML representation of the X12 document or can translate to and from several XML representations of the data file. What's New: =========== This is primarily a feature release: Run-time Map Customization: The validation specifications for each X12 transaction are contained in XML files (map files). For a particular transaction, the map file describes the loops, segments, and elements; their relationships, their requirement conditions; and their data types. As XML files, their contents can be altered using XSL transformations. The parsing and validation of an X12 document can be altered by giving one or more XSLT files as command line arguments. The XSLT files are applied to the correct map for the X12 document in turn. Using this feature, the validation of the document can be made more or less restrictive. The XSL transform should be written so that it only affects the intended map file. Applying the XSLT to any other map should result in no change. Also, the resulting XML map must validate against the XML Schema file 'map.xsd'. Regular Expression Element Value Validation: XSL transforms can also be used to apply a regular expression to a map element node. This allows further element value validation. See example XSLT files in %PYTHONDIR%\test\files and the XML Schema file 'map.xsd' for more details. For syntax, see python regular expression syntax. Windows installation using the python generated EXE file has been fixed. Map location lookups have been fixed. See http://pyx12.sourceforge.net/install.html for more information. The original maps (pre A1) have been removed from the package. XML Schemas for the maps and for dataele.xml have been created. Non-conforming maps have been fixed. License =========== pyx12 is released under the BSD license. =========== John Holland Kalamazoo Community Mental Health and Substance Abuse Services jholland(a)kazoocmh.org

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