Dr. Dobb's Python-URL! - weekly Python news and links (Jan 18)
QOTW: "*what* the value is is defined by the operations that the object supports (via its type). *how* the value is represented inside the object is completely irrelevant; a Python implementation may use electric charges in small capacitors, piles of rocks, diapers,or an endless supply of small guys in odd costumes to encode the value inside an object. Changes to the value may be carried out by CPU instructions, caterpillars, toddlers with gasmasks, or an endless supply of small guys in odd costumes. The only thing that's important is that you can, in your Python program, access an objects value via its type, and get other objects back when you do." - Fredrik Lundh "I have never seen a case where a dictionary didn't improve the design." - Ivan Van Laningham PyCon Early bird registration ends, FrOSCon 2006 issues a "Call for Papers" and OSCON 2006 (Python 14 Conference) issues a "Call for Proposals": http://groups.google.se/group/comp.lang.python.announce/browse_frm/thread/3e... http://groups.google.se/group/comp.lang.python.announce/browse_frm/thread/a5... http://groups.google.se/group/comp.lang.python.announce/browse_frm/thread/8f... With release 0.6, OSAF's Python based PIM Chandler includes an "experimentally usable" calendar, with support for recurring events, time-zones and the ability to share calendars with others: http://chandler.osafoundation.org/ Fynali asks "How to remove subset from a file efficiently?". Follow-ups, as has happened so often before, reduce his runtime from a few minutes to a few seconds: http://groups.google.se/group/comp.lang.python/browse_frm/thread/929fcdf0ff9... Tim Peters explains why you shouldn't expect much from atexit + threads: http://groups.google.se/group/comp.lang.python/browse_frm/thread/fe9e4266507... Scott David Daniels suggests use of decorators to handle unit tests that are known to fail: http://groups.google.se/group/comp.lang.python/browse_frm/thread/7ea0762494e... Robin Becker requests "some smart/fast way to flatten a level one list" and receives a number of suggestions: http://groups.google.se/group/comp.lang.python/browse_frm/thread/383aab2c346... A discussion of the draft for a new Python.org web site leads to a conclusion of general happiness with the new look: http://beta.python.org Brian Blais asks "how do 'real' python programmers work?" and receives a sample of development processes that Pythonistas use, focused on what kind of windows people have on their screen, but also including such important aspects as test driven development: http://groups.google.se/group/comp.lang.python/browse_frm/thread/82b4f2f90b9... Michael Galvin receives a few suggestions on how to get both text and graphics to a printer from Python: http://groups.google.se/group/comp.lang.python/browse_frm/thread/bc0742534da... Duncan Booth and others explain how to make a dictionary aware of its own changes: http://groups.google.se/group/comp.lang.python/browse_frm/thread/eeca4df1052... ======================================================================== 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 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 Steve Bethard, Tim Lesher, and Tony Meyer continue the marvelous tradition early borne by Andrew Kuchling, Michael Hudson and Brett Cannon 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 Cetus collects Python hyperlinks. 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 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://python.sourceforge.net/peps/pep-0042.html The online Python Journal is posted at pythonjournal.cognizor.com. editor@pythonjournal.com and editor@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.pytho... 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*&start=0&scoring=d& http://purl.org/thecliff/python/url.html (dormant) or http://groups.google.com/groups?oi=djq&as_q=+Python-URL!&as_ugroup=comp.lang.python 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@phaseit.net> should get through. To receive a new issue of this posting in e-mail each Monday morning (approximately), ask <claird@phaseit.net> to subscribe. Mention "Python-URL!". -- The Python-URL! Team-- Dr. Dobb's Journal (http://www.ddj.com) is pleased to participate in and sponsor the "Python-URL!" project.
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Magnus Lycka