Python-announce-list March 2007

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50 participants
63 discussions

ANN: PyEnchant 1.2.0
by Ryan Kelly 19 Sep '07

19 Sep '07

Hi All, I'm pleased to announce the release of PyEnchant version 1.2.0. This version includes some important updates in the underlying enchant library, and implements basic "filters" to allow skipping of email addresses, WikiWords, URLs, etc during a spellchecking session. Cheers, Ryan About: ------ Enchant (http://www.abisource.com/enchant/) is the spellchecking package behind the AbiWord word processor, is being considered for inclusion in the KDE office suite, and is proposed as a FreeDesktop.org standard. It's completely cross-platform because it wraps the native spellchecking engine to provide a uniform interface. PyEnchant brings this simple, powerful and flexible spellchecking engine to Python: http://pyenchant.sourceforge.net/ It also provides extended functionality including classes for tokenizing text and iterating over the spelling errors in it, as well as a ready-to-use text interface and wxPython dialog. Current Version: 1.2.0 Licence: LGPL with exemptions, as per Enchant itself ChangeLog for 1.2.0: -------------------- * Implemented "filters" that allow tokenization to skip common word forms such as URLs, WikiWords, email addresses etc. * Now ships with enchant-1.3.0, meaning: * PWLs can return a useful list of suggestions rather than the empty list * Hunspell replaces MySpell as the default Windows backend * Tokenization doesnt split words at non-alpha characters by default * GtkSpellCheckerDialog contributed by Fredrik Corneliusson * Removed deprecated functionality: * Dict.add_to_personal * All registry handling functionality from enchant.utils * enchant.utils.SpellChecker (use enchant.checker.SpellChecker) * Removed PyPWL, as native enchant PWLs can now suggest corrections -- Ryan Kelly http://www.rfk.id.au | This message is digitally signed. Please visit ryan(a)rfk.id.au | http://www.rfk.id.au/ramblings/gpg/ for details

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GNUmed 0.2.5 release
by Sebastian Hilbert 31 Mar '07

31 Mar '07

GNUmed version 0.2.5 has been polished and released ! For the impatient: Go grab your copy at wiki.gnumed.de.or www.gnumed.de/downloads Next to bug fixes and code cleanup this release has a nice selection of new features as well ... We need testers. Let us know if it works for you. The GNUmed team worked hard to release yet another stable version. As features are being added more and more success stories of happy users reach us. For this release GNotary support on backup, improved phrasewheel code, handling of the original filename in the document archive, visual indication of patient birthday, initial KVK (German health insurance card) handling, connection pooling (massive speedup over slow network links), a generalized hooks framework and smart allergies handling has been added. Localization files were added and updated. All features have been documented over at wiki.gnumed.de. Packages are available for Debian unstable, Ubuntu Feisty, MS Windows and any other GNU/Linux using the archives (tgz). The latest not yet released GNUmed code has been successfully tested on Mac OSX. One of the next releases will include support for that OS. Have fun and please report bugs and success stories. To stay in touch just head over to blog.gnumed.de every once in a while. -- Sebastian Hilbert Leipzig / Germany [www.gnumed.de] -> PGP welcome, HTML ->/dev/null

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ANN: New Version - WERD (1.1), the Phonetic Transliterator to Indic scripts available
by Atul 31 Mar '07

31 Mar '07

WERD is a phonetic transliterator that helps users write english text but read the same in the chosen Devanagari (Indic) font. WERD is expected to make it easy for Indians wanting to communicate over chat or email in their native language. Checkout http://werd.sourceforge.net/ WERD is written in Python and Tkinter, is open source software released under GPL, and is hosted by SourceForge (www.sourceforge.net) Whats New: 1. Unicode font support 2. Usability enhancements 3. Minor Bug Fixes Thanks and Regards, -- Atul

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Python-URL! - weekly Python news and links (Mar 30)
by Cameron Laird 31 Mar '07

31 Mar '07

QOTW: "I have a fake supervisor reference generator for job interviews, a fake house inspection generator for real estate transactions, and a fake parole testimony generator - maybe you could adapt one of them (unfortunately, they are written in dissembler)." - Paul McGuire "... I think that [PyPy] is the most interesting work in CS in many years." - Jacob Hallen PyPy 1.0 is ready--yippee! http://groups.google.com/group/comp.lang.python/browse_thread/thread/5d2675… Notice Jacon Hallen's advertisement of the benefits of PyPy. Alex Martelli and Facundo Batista explain the Python perspective on timing-out HTTP requests: http://groups.google.com/group/comp.lang.python/browse_thread/thread/ff84e7… Paul McGuire illustrates the intent and use of his valuable pyparsing module: http://groups.google.com/group/comp.lang.python/msg/ee4129aee0f33efc http://groups.google.com/group/comp.lang.python/msg/39337f2c6148e927 More Pythoneers should be familiar with timing and related measurements. Alex Martellii aptly illustrates how rewarding it can be in the hands of a master: http://groups.google.com/group/comp.lang.python/msg/785e1571d3c9b468 Mode of a collection is a sort of reverse-lookup statistic that interestingly models many other useful calculations. Notice how succinctly idiomatic Python solves the problem: http://groups.google.com/group/comp.lang.python/browse_thread/thread/23da16… ======================================================================== Everything Python-related you want is probably one or two clicks away in these pages: Python.org's Python Language Website is the traditional center of Pythonia http://www.python.org Notice especially the master FAQ http://www.python.org/doc/FAQ.html PythonWare complements the digest you're reading with the marvelous daily python url http://www.pythonware.com/daily Mygale is a news-gathering webcrawler that specializes in (new) World-Wide Web articles related to Python. http://www.awaretek.com/nowak/mygale.html While cosmetically similar, Mygale and the Daily Python-URL are utterly different in their technologies and generally in their results. For far, FAR more Python reading than any one mind should absorb, much of it quite interesting, several pages index much of the universe of Pybloggers. http://lowlife.jp/cgi-bin/moin.cgi/PythonProgrammersWeblog http://www.planetpython.org/ http://mechanicalcat.net/pyblagg.html The Python Papers aims to publish "the efforts of Python enthusiats". http://pythonpapers.org/ Readers have recommended the "Planet" sites: http://planetpython.org http://planet.python.org comp.lang.python.announce announces new Python software. Be sure to scan this newsgroup weekly. http://groups.google.com/groups?oi=djq&as_ugroup=comp.lang.python.announce Python411 indexes "podcasts ... to help people learn Python ..." Updates appear more-than-weekly: http://www.awaretek.com/python/index.html Steve Bethard continues the marvelous tradition early borne by Andrew Kuchling, Michael Hudson, Brett Cannon, Tony Meyer, and Tim Lesher of intelligently summarizing action on the python-dev mailing list once every other week. http://www.python.org/dev/summary/ The Python Package Index catalogues packages. http://www.python.org/pypi/ The somewhat older Vaults of Parnassus ambitiously collects references to all sorts of Python resources. http://www.vex.net/~x/parnassus/ Much of Python's real work takes place on Special-Interest Group mailing lists http://www.python.org/sigs/ Python Success Stories--from air-traffic control to on-line match-making--can inspire you or decision-makers to whom you're subject with a vision of what the language makes practical. http://www.pythonology.com/python/success The Python Software Foundation (PSF) has replaced the Python Consortium as an independent nexus of activity. It has official responsibility for Python's development and maintenance. http://www.python.org/psf/ Among the ways you can support PSF is with a donation. http://www.python.org/psf/donate.html Kurt B. Kaiser publishes a weekly report on faults and patches. http://www.google.com/groups?as_usubject=weekly%20python%20patch Although unmaintained since 2002, the Cetus collection of Python hyperlinks retains a few gems. http://www.cetus-links.org/oo_python.html Python FAQTS http://python.faqts.com/ The Cookbook is a collaborative effort to capture useful and interesting recipes. http://aspn.activestate.com/ASPN/Cookbook/Python Many Python conferences around the world are in preparation. Watch this space for links to them. Among several Python-oriented RSS/RDF feeds available are http://www.python.org/channews.rdf http://bootleg-rss.g-blog.net/pythonware_com_daily.pcgi http://python.de/backend.php For more, see http://www.syndic8.com/feedlist.php?ShowMatch=python&ShowStatus=all The old Python "To-Do List" now lives principally in a SourceForge reincarnation. http://sourceforge.net/tracker/?atid=355470&group_id=5470&func=browse http://www.python.org/dev/peps/pep-0042/ The online Python Journal is posted at pythonjournal.cognizor.com. editor(a)pythonjournal.com and editor(a)pythonjournal.cognizor.com welcome submission of material that helps people's understanding of Python use, and offer Web presentation of your work. del.icio.us presents an intriguing approach to reference commentary. It already aggregates quite a bit of Python intelligence. http://del.icio.us/tag/python *Py: the Journal of the Python Language* http://www.pyzine.com Archive probing tricks of the trade: http://groups.google.com/groups?oi=djq&as_ugroup=comp.lang.python&num=100 http://groups.google.com/groups?meta=site%3Dgroups%26group%3Dcomp.lang.pyth… Previous - (U)se the (R)esource, (L)uke! - messages are listed here: http://www.ddj.com/topic/python/ (requires subscription) http://groups-beta.google.com/groups?q=python-url+group:comp.lang.python*&s… http://purl.org/thecliff/python/url.html (dormant) or http://groups.google.com/groups?oi=djq&as_q=+Python-URL!&as_ugroup=comp.lan… There is *not* an RSS for "Python-URL!"--at least not yet. Arguments for and against are occasionally entertained. Suggestions/corrections for next week's posting are always welcome. E-mail to <Python-URL(a)phaseit.net> should get through. To receive a new issue of this posting in e-mail each Monday morning (approximately), ask <claird(a)phaseit.net> to subscribe. Mention "Python-URL!". Write to the same address to unsubscribe. -- The Python-URL! Team-- Phaseit, Inc. (http://phaseit.net) is pleased to participate in and sponsor the "Python-URL!" project. Watch this space for upcoming news about posting archives.

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ANN: mountpy v0.8
by garabik-news-2005-05＠kassiopeia.juls.savba.sk 30 Mar '07

30 Mar '07

mountpy is a python script for quick automatic mounting and umounting of external filesystems, especially suited for USB removable devices. mountpy is developed on linux, and is meant for modern linux systems. This is version 0.8, changes from previous version: - add test for removable devices (not very useful) - add test for devices already mounted elsewhere (very useful) URL: http://kassiopeia.juls.savba.sk/~garabik/software/mountpy/ License: GPL -- ----------------------------------------------------------- | Radovan Garabík http://kassiopeia.juls.savba.sk/~garabik/ | | __..--^^^--..__ garabik @ kassiopeia.juls.savba.sk | ----------------------------------------------------------- Antivirus alert: file .signature infected by signature virus. Hi! I'm a signature virus! Copy me into your signature file to help me spread!

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SyPy - Sydney Users Group Meeting, Thursday April 5, 2007
by Mark Rees 28 Mar '07

28 Mar '07

Hi everyone, For our April meeting, Google have kindly offered to host us. Thursday, April 5, 2007 6:15-8:30PM Google Australia Level 18, Tower 1 Darling Park 201 Sussex St Sydney We will have two presentations: 1. Alec Thomas will give us a debrief on his time at PyCon 2007 2. Andrew Bennets will talk about the Bazaar Distributed Version Control followed by some lively discussion and for those who want to, we will continue the gathering at a local watering hole after 8:30PM. The room can hold 40 people. To attend this meeting you must RSVP to Alan Green (alangreen at google dot com) Regards Mark About SyPy A group of Sydney based python users who meet on the first thursday of the month. Website: http://sypy.org Maillist: http://groups.google.com/group/sydneypython

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ANN: Gracie v0.2 -- a local-account OpenID provider
by Ben Finney 28 Mar '07

28 Mar '07

Howdy all, I'm pleased to announce the creation of the Gracie project. What is Gracie? =============== Gracie is an OpenID server (a "provider" in OpenID terminology) that serves OpenID identities for the local system PAM accounts. It authenticates users with a username/password challenge. The OpenID protocol is documented at <URL:http://openid.net/>. Gracie is intended for use within trusted environments that have an existing authentication system available via PAM (e.g. most GNU/Linux environments), that would like to provide OpenIDs for all local users instead of maintaining disparate web-based accounts for local services. What can Gracie do now? ======================= Gracie 0.2 is still alpha-development software, not intended for use in production environments. That said, this version does satisfy some basic requirements. Currently Gracie can serve OpenID 1.1 authentication for local PAM users. It will authenticate the user with a web form, using the PAM system where the Gracie server is running. It assumes that any consumer request for identity is authorised to be given the user's identity. What improvements are needed? ============================= The current state of Gracie is functional but still needs much improvement. Please check the TODO.txt file in the source package for a list of improvements that need to be made. As of this announcement, Gracie version 0.2 is available. The project's home page is <URL:http://trac.whitetree.org/gracie/>. -- \ "When I turned two I was really anxious, because I'd doubled my | `\ age in a year. I thought, if this keeps up, by the time I'm six | _o__) I'll be ninety." -- Steven Wright | Ben Finney <ben(a)benfinney.id.au>

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python-cjson 1.0.3x2 released
by Ferenczi Viktor 28 Mar '07

28 Mar '07

This is an enhanced version of python-cjson, the fast JSON encoder/decoder. Qiangning Hong submitted a patch to fix segfault with Python 2.5 on 64 bit platforms. Version python-cjson 1.0.3x2 released to incorporate this patch. It's numbered 1.0.3x, where x stands for eXtension. The main improvement is the ability to extend the JSON encoder and decoder with extensions functions to serialize/unserialize objects not in the original JSON specification. This is achieved without sacrificing the speed and stability of the original implementation. Please send bug reports to python(a)cx.hu and do not contact the original author (Dan Pascu) about this version. Download and more information: http://cx.hu/python-cjson/ Example to encode/decode python date objects as JavaScript Date: import re import cjson import datetime # Encoding Date objects: def dateEncoder(d): assert isinstance(d, datetime.date) return 'new Date(Date.UTC(%d,%d,%d))'%(d.year, d.month, d.day) json=cjson.encode([1,datetime.date(2007,1,2),2], extension=dateEncoder) assert json=='[1, new Date(Date.UTC(2007,1,2)), 2]' # Decoding Date objects: re_date=re.compile('^new\sDate\(Date\.UTC\(.*?\)\)') def dateDecoder(json,idx): json=json[idx:] m=re_date.match(json) if not m: raise 'cannot parse JSON string as Date object: %s'%json[idx:] args=cjson.decode('[%s]'%json[18:m.end()-2]) dt=datetime.date(*args) return (dt,m.end()) # must return (object, character_count) tuple data=cjson.decode('[1, new Date(Date.UTC(2007,1,2)), 2]', extension=dateDecoder) assert data==[1,datetime.date(2007,1,2),2]

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PyPy 1.0: JIT compilers for free and more
by Carl Friedrich Bolz 27 Mar '07

27 Mar '07

========================================== PyPy 1.0: JIT compilers for free and more ========================================== Welcome to the PyPy 1.0 release - a milestone integrating the results of four years of research, engineering, management and sprinting efforts, concluding the 28 months phase of EU co-funding! Although still not mature enough for general use, PyPy 1.0 materializes for the first time the full extent of our original vision: - A flexible Python interpreter, written in "RPython": - Mostly unaware of threading, memory and lower-level target platform aspects. - Showcasing advanced interpreter features and prototypes. - Passing core CPython regression tests, translatable to C, LLVM and .NET. - An advanced framework to translate such interpreters and programs: - That performs whole type-inference on RPython programs. - Can weave in threading, memory and target platform aspects. - Has low level (C, LLVM) and high level (CLI, Java, JavaScript) backends. - A **Just-In-Time Compiler generator** able to **automatically** enhance the low level versions of our Python interpreter, leading to run-time machine code that runs algorithmic examples at speeds typical of JITs! Previous releases, particularly the 0.99.0 release from February, already highlighted features of our Python implementation and the abilities of our translation approach but the **new JIT generator** clearly marks a major research result and gives weight to our vision that one can generate efficient interpreter implementations, starting from a description in a high level language. We have prepared several entry points to help you get started: * The main entry point for JIT documentation and status: http://codespeak.net/pypy/dist/pypy/doc/jit.html * The main documentation and getting-started PyPy entry point: http://codespeak.net/pypy/dist/pypy/doc/index.html * Our online "play1" demos showcasing various Python interpreters, features (and a new way to program AJAX applications): http://play1.codespeak.net/ * Our detailed and in-depth Reports about various aspects of the project: http://codespeak.net/pypy/dist/pypy/doc/index-report.html In the next few months we are going to discuss the goals and form of the next stage of development - now more than ever depending on your feedback and contributions - and we hope you appreciate PyPy 1.0 as an interesting basis for greater things to come, as much as we do ourselves! have fun, the PyPy release team, Samuele Pedroni, Armin Rigo, Holger Krekel, Michael Hudson, Carl Friedrich Bolz, Antonio Cuni, Anders Chrigstroem, Guido Wesdorp Maciej Fijalkowski, Alexandre Fayolle and many others: http://codespeak.net/pypy/dist/pypy/doc/contributor.html What is PyPy? ================================ Technically, PyPy is both a Python interpreter implementation and an advanced compiler, or more precisely a framework for implementing dynamic languages and generating virtual machines for them. The framework allows for alternative frontends and for alternative backends, currently C, LLVM and .NET. For our main target "C", we can can "mix in" different garbage collectors and threading models, including micro-threads aka "Stackless". The inherent complexity that arises from this ambitious approach is mostly kept away from the Python interpreter implementation, our main frontend. PyPy is now also a Just-In-Time compiler generator. The translation framework contains the now-integrated JIT generation technology. This depends only on a few hints added to the interpreter source and should be able to cope with the changes to the interpreter and be generally applicable to other interpreters written using the framework. Socially, PyPy is a collaborative effort of many individuals working together in a distributed and sprint-driven way since 2003. PyPy would not have gotten as far as it has without the coding, feedback and general support from numerous people. Formally, many of the current developers were involved in executing an EU contract with the goal of exploring and researching new approaches to language and compiler development and software engineering. This contract's duration is about to end this month (March 2007) and we are working and preparing the according final review which is scheduled for May 2007. For the future, we are in the process of setting up structures to help maintain conceptual integrity of the project and to discuss and deal with funding opportunities related to further PyPy sprinting and developments. See here for results of the discussion so far: http://codespeak.net/pipermail/pypy-dev/2007q1/003577.html 1.0.0 Feature highlights ============================== Here is a summary list of key features included in PyPy 1.0: - The Just-In-Time compiler generator, now capable of generating the first JIT compiler versions of our Python interpreter: http://codespeak.net/pypy/dist/pypy/doc/jit.html - More Python interpreter optimizations (a CALL_METHOD bytecode, a method cache, rope-based strings), now running benchmarks at around half of CPython's speed (without the JIT): http://codespeak.net/pypy/dist/pypy/doc/interpreter-optimizations.html - The Python interpreter can be translated to .NET and enables interactions with the CLR libraries: http://codespeak.net/pypy/dist/pypy/doc/cli-backend.html http://codespeak.net/pypy/dist/pypy/doc/clr-module.html - Aspect Oriented Programming facilities (based on mutating the Abstract Syntax Tree): http://codespeak.net/pypy/dist/pypy/doc/aspect_oriented_programming.html http://codespeak.net/pypy/extradoc/eu-report/D10.1_Aspect_Oriented_Programm… - The JavaScript backend has evolved to a point where it can be used to write AJAX web applications with it. This is still an experimental technique, though. For demo applications which also showcase various generated Python and PROLOG interpreters, see: http://play1.codespeak.net/ - Proxying object spaces and features of our Python interpreter: - Tainting: a 270-line proxy object space tracking and boxing sensitive information within an application. - Transparent proxies: allow the customization of both application and builtin objects from application level code. Now featuring an initial support module (tputil.py) for working with transparent proxies. For a detailed description and discussion of high level backends and Python interpreter features, please see our extensive "D12" report: http://codespeak.net/pypy/extradoc/eu-report/D12.1_H-L-Backends_and_Feature… Funding partners and organisations ===================================================== PyPy development and activities happen as an open source project and with the support of a consortium partially funded by a 28 month European Union IST research grant for the period from December 2004 to March 2007. The full partners of that consortium are: Heinrich-Heine University (Germany), Open End (Sweden) merlinux GmbH (Germany), tismerysoft GmbH (Germany) Logilab Paris (France), DFKI GmbH (Germany) ChangeMaker (Sweden), Impara (Germany)

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ANN: python-ldap-2.3.0
by Michael Ströder 27 Mar '07

27 Mar '07

Find a new release of python-ldap: http://python-ldap.sourceforge.net/ python-ldap provides an object-oriented API to access LDAP directory servers from Python programs. It mainly wraps the OpenLDAP 2.x libs for that purpose. Additionally it contains modules for other LDAP-related stuff (e.g. processing LDIF, LDAPURLs and LDAPv3 schema). ---------------------------------------------------------------- Released 2.3.0 2007-03-27 Changes since 2.2.1: * OpenLDAP 2.3+ required now to build. * Added support for Cancel operation ext. op. if supported in OpenLDAP API of the libs used for the build. Modules/ * Removed deprecated code for setting options by name * Added l_ldap_cancel() * Some modifications related to PEP 353 for Python 2.5 on 64-bit platforms (see SF#1467529, thanks to Matej) * Added new function l_ldap_str2dn(), removed functions l_ldap_explode_dn() and l_ldap_explode_rdn() (see SF#1657848, thanks to David) Lib/ * Added method ldapobject.LDAPObject.cancel() * ldap.schema.subentry.urlfetch() now can do non-anonymous simple bind if the LDAP URL provided contains extensions 'bindname' and 'X-BINDPW'. (see SF#1589206) * ldap.filter.escape_filter_chars() has new a key-word argument escape_mode now which defines which chars to be escaped (see SF#1193271). * Various important fixes to ldapobject.ReconnectLDAPObject * Moved all DN-related functions to sub-module ldap.dn, import them in ldap.functions for backward compability * ldap.dn.explode_dn() and ldap.dn.explode_rdn() use the new wrapper function ldap.dn.str2dn() (related to SF#1657848) * changetype issue partially fixed (see SF#1683746)

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Python-announce-list March 2007