Python-announce-list November 2007

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54 discussions

Mocker 0.9
by Gustavo Niemeyer 17 Nov '07

17 Nov '07

Greetings! Mocker 0.9 has just been released. The list of changes is provided below. Where ----- http://labix.org/mocker About ----- - Graceful platform for test doubles in Python (mocks, stubs, fakes, and dummies). - Inspiration from real needs, and also from pmock, jmock, pymock, easymock, etc. - Expectation of expressions defined by actually using mock objects. - Expressions may be replayed in any order by default, - Trivial specification of ordering between expressions when wanted. - Nice parameter matching for defining expectations on method calls. - Good error messages when expectations are broken. - Mocking of many kinds of expressions (getting/setting/deleting attributes, calling, iteration, containment, etc) - Graceful handling of nested expressions (e.g. "person.details.get_phone().get_prefix()") - Mock "proxies", which allow passing through to the real object on specified expressions (e.g. useful with "os.path.isfile()"). - Mocking via temporary "patching" of existent classes and instances. - Trivial mocking of any external module (e.g. "time.time()") via "proxy replacement". - Mock objects may have method calls checked for conformance with real class/instance to prevent API divergence. - Type simulation for using mocks while still performing certain type-checking operations. - Nice (optional) integration with "unittest.TestCase", including additional assertions (e.g. "assertIs", "assertIn", etc). - More ... Changes in 0.9 -------------- - Added MockerTestCase.makeFile() and .makeDir() helpers. They offer easy creation of temporary files/directories, and ensure that they get removed after each test method runs. - Added MockerTestCase.assertMethodsMatch(). It will verify if all public methods found in the class passed as the first argument are also present in the class passed as the second argument, and that they accept the same arguments. This is useful to verify if a fake or stub class have the same API as the real class being simulated. - Added MockerTestCase.assert[Not]{Starts,Ends}With(). - If the replay() method is called twice, expectations will be fully reset so that several similar tests may be performed in a row by just calling replay() again. - Mocker.on_restore() removed. Restore isn't performed if replay() isn't called, and that may not be obvious, so a hook won't be exposed for now. - When using a non-existent import path for Mocker.proxy(), raise an ImportError on the base module, rather than using the actual string as the object (#162315). -- Gustavo Niemeyer http://niemeyer.net

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lockfile 0.2 - platform-independent advisory locks for Python
by skip＠pobox.com 17 Nov '07

17 Nov '07

I've released lockfile 0.2. Changes since the 0.1 release: * Added 2.4.diff file to patch lockfile to work with Python 2.4 (removes use of with statement). * Renamed _FileLock base class to LockBase to expose it (and its docstrings) to pydoc. * Got rid of time.sleep() calls in tests (thanks to Konstantin Veretennicov). * Use thread.get_ident() as the thread discriminator. * Updated documentation a bit. What is lockfile? ================= A number of implementations of file locks are out there, but as an exploration of the possibilities I wrote the lockfile module. It offers these features: * A platform-independent API * Three classes implementing file locks - LinkFileLock - relies on atomic nature of the link(2) system call. - MkdirFileLock - relies on atomic nature of the mkdir(2) systemm call. - SQLiteFileLock - provides locks through a SQLite database. * Locking is done on a per-thread basis by default, though locking can be done on a per-process basis instead. * Context manager support. The lockfile module is available from PyPI: http://pypi.python.org/pypi/lockfile/ I welcome feedback from anyone who gives it a whirl. The code is stored in a Mercurial repository on my laptop, so subject to occasional access problems when I'm on the train others are welcome to have access to the source code. If that's of interest to you, drop me a note. -- Skip Montanaro - skip(a)pobox.com - http://www.webfast.com/~skip/

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Leo 4.4.5 beta 1 released
by Edward K Ream 16 Nov '07

16 Nov '07

Leo 4.4.5 beta 1 is available at: http://sourceforge.net/project/showfiles.php?group_id=3458&package_id=29106 Leo is a text editor, data organizer, project manager and much more. See: http://webpages.charter.net/edreamleo/intro.html Leo 4.4.5 fixes several long-delayed bug fixes and adds several new features. The highlights of Leo 4.4.5: ---------------------------- - Fixes all known bugs. - Adds 3 new sort-lines commands. - Adds commands to insert and delete icons from headlines. - Adds all the Tango 16x16 icons to Leo's icon library. - Adds support for @rst-preformat nodes to the rst3 plugin. Links: ------ Leo: http://webpages.charter.net/edreamleo/front.html Home: http://sourceforge.net/projects/leo/ Download: http://sourceforge.net/project/showfiles.php?group_id=3458 CVS: http://leo.tigris.org/source/browse/leo/ Quotes: http://webpages.charter.net/edreamleo/testimonials.html -------------------------------------------------------------------- Edward K. Ream email: edreamleo(a)yahoo.com Leo: http://webpages.charter.net/edreamleo/front.html --------------------------------------------------------------------

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CPAE - package Python scripts into self-extracting executable for multiple platforms
by tlassak＠web.de 16 Nov '07

16 Nov '07

www.crosspa.de is proud to announce the first release of CPAE (Cross Platform Applications Engine). It is a universal packager for script languages like Python 2.5 that combines script applications, interpreter and runtime files into a single self-extracting binary (exe) that can be executed immediately on the target platform. The current release 1.0 RC1 is free for download and unrestricted in functionality. However the generated binaries are restricted to 7 days runtime in the trial version. A manual with installation, configuration, tool usage and examples is available on the website. You can find more information or download he product from http://www.crosspa.de Supported platforms: Microsoft Windows (x86), Linux2 (x86), Solaris (Sparc + x86).

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Last chance for PyCon talk & tutorial proposals!
by David Goodger 15 Nov '07

15 Nov '07

Thanks to all the proposal authors so far, we have received lots of proposals for PyCon talks & tutorials. But we'd like to have even more. Alas, the proposal submission deadline should have been set after a weekend, not before. So we have decided to extend the proposal submission deadline to Monday, November 19 at midnight (Chicago time). This gives you a *whole extra weekend* to write up your talk and tutorial ideas! If you've been procrastinating, stop! Get started on a proposal instead! See the call for conference talk proposals: http://us.pycon.org/2008/conference/proposals/ Topic ideas: http://wiki.python.org/moin/Talk_Subjects http://wiki.python.org/moin/PyCon2007/Feedback#head-e2dca74d1492e49fae11550… See the call for tutorial proposals http://us.pycon.org/2008/tutorials/proposals/ Topic ideas from the PyCon 2007 feedback: http://wiki.python.org/moin/PyCon2007/Feedback/TutorialIdeas I hope to see (and hear) you at PyCon 2008! http://us.pycon.org -- David Goodger, PyCon 2008 Chair

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[ANN] Release of the first PyTables video
by Ivan Vilata i Balaguer 14 Nov '07

14 Nov '07

===================================== Release of the first PyTables video ===================================== `Carabos <http://www.carabos.com/>`_ is very proud to announce the first of a series of videos dedicated to introducing the main features of PyTables to the public in a visual and easy to grasp manner. http://www.carabos.com/videos/pytables-1-intro `PyTables <http://www.pytables.org/>`_ is a Free/Open Source package designed to handle massive amounts of data in a simple, but highly efficient way, using the HDF5 file format and NumPy data containers. This first video is an introductory overview of PyTables, covering the following topics: * HDF5 file creation * the object tree * homogeneous array storage * natural naming * working with attributes With a running length of little more than 10 minutes, you may sit back and watch it during any short break. More videos about PyTables will be published in the near future. Stay tuned on www.pytables.org for the announcement of the new videos. We would like to hear your opinion on the video so we can do it better the next time. We are also open to suggestions for the topics of future videos. Best regards, :: Ivan Vilata i Balaguer >qo< http://www.carabos.com/ Cárabos Coop. V. V V Enjoy Data ""

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[ANN] 1 year pyCologne and next meeting, Wed Nov 11, 2007, 6:30 pm
by Christopher Arndt 13 Nov '07

13 Nov '07

Dear Pythonistas, with great pleasure and some pride I'd like to announce that pyCologne, the Python User Group Köln, will meet for the 13th time this week and we are therefore celebrating our 1st anniversary. The next meeting takes place here: Date: Wednesday Nov 11, 2007 Time: 6:30 Uhr pm c.t. Venue: Pool 0.14, Benutzerrechenzentrum (RRZK-B) der Universität Köln, Berrenrather Str. 136, 50937 Köln Agenda: * From the series "My favourite editor": Emacs (Rebecca Breu) * Discussion: The first year pyCologne * Topics for a Python beginner's course (Rebecca Breu) * pyCologne logo decision Around 9 pm we will head to a nearby establishment and have some drinks, food and a friendly chat. Further information about pyCologne, including directions, photographs and minutes of past meetings etc., can be found on our web site on the German Python wiki: http://www.pycologne.de/ CU, Christopher Arndt

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London Python meetup, Wednesday, December the 5th
by Simon Brunning 13 Nov '07

13 Nov '07

Details here: http://tinyurl.com/2cvtlq -- Cheers, Simon B. simon(a)brunningonline.net http://www.brunningonline.net/simon/blog/ GTalk: simon.brunning | MSN: small_values | Yahoo: smallvalues

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Python-URL! - weekly Python news and links (Nov 12)
by Gabriel Genellina 12 Nov '07

12 Nov '07

QOTW: "AOP is a programming paradigm in the same way indie is a genre of film." - Carl Banks http://groups.google.com/group/comp.lang.python/msg/224e922a3e1a8638 "I really like Python's notion of having just one data type: the duck." - itsme http://groups.google.com/group/comp.lang.perl.misc/msg/91382afa214a8f40 Closures and scoping rules: http://groups.google.com/group/comp.lang.python/browse_thread/thread/ec6907… Classes, instances and attributes explained for newbies: http://groups.google.com/group/comp.lang.python/browse_thread/thread/7eb568… Looking for a good Python IDE: http://groups.google.com/group/comp.lang.python/browse_thread/thread/1e0b0b… Two bad performance problems: one creating a huge dict, another an array: http://groups.google.com/group/comp.lang.python/browse_thread/thread/77e5d7… http://groups.google.com/group/comp.lang.python/browse_thread/thread/5a44fd… Call for volunteers to compile Python extensions on Windows: http://groups.google.com/group/comp.lang.python/browse_thread/thread/6d1eab… ======================================================================== 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. Just beginning with Python? This page is a great place to start: http://wiki.python.org/moin/BeginnersGuide/Programmers The Python Papers aims to publish "the efforts of Python enthusiats": http://pythonpapers.org/ The Python Magazine is a technical monthly devoted to Python: http://pythonmagazine.com 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/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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Mocker 0.8
by Gustavo Niemeyer 12 Nov '07

12 Nov '07

Hello Pythonistas, Mocker 0.8 is now public. Where ----- http://labix.org/mocker What ---- - Graceful platform for test doubles in Python (mocks, stubs, fakes, and dummies). - Inspiration from real needs, and also from pmock, jmock, pymock, easymock, etc. - Expectation of expressions defined by actually using mock objects. - Expressions may be replayed in any order by default, - Trivial specification of ordering between expressions when wanted. - Nice parameter matching for defining expectations on method calls. - Good error messages when expectations are broken. - Mocking of many kinds of expressions (getting/setting/deleting attributes, calling, iteration, containment, etc) - Graceful handling of nested expressions (e.g. "person.details.get_phone().get_prefix()") - Mock "proxies", which allow passing through to the real object on specified expressions (e.g. useful with "os.path.isfile()"). - Mocking via temporary "patching" of existent classes and instances. - Trivial mocking of any external module (e.g. "time.time()") via "proxy replacement". - Mock objects may have method calls checked for conformance with real class/instance to prevent API divergence. - Type simulation for using mocks while still performing certain type-checking operations. - Nice (optional) integration with "unittest.TestCase", including additional assertions (e.g. "assertIs", "assertIn", etc). - More ... -- Gustavo Niemeyer http://niemeyer.net

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Python-announce-list November 2007