QOTW: "... '[B]ut assume that I have some other use case' isn't a valid use case". - Fredrik Lundh "Rolling your own solution, on the other hand, can end in a long road discovering what those CORBA people were doing for all those years." - Paul Boddie NOTW: sceptifications. Steven D'Aprano carefully details a common confusion among newcomers about empty lists and initialization: http://groups.google.com/group/comp.lang.python/browse_thread/thread/8480fae... Inyeol Lee and others illustrate use of regular expression syntax having to do with repeated patterns: http://groups.google.com/group/comp.lang.python/browse_thread/thread/b5e7abb... Metakit 2.4.9.5 corrects a potential disk-full error, and improves performance greatly in certain circumstances: http://www.equi4.com/pub/mk/CHANGES http://www.equi4.com/metakit.html William Peterson jokes that, "[i]f you ask ten people on this newsgroup [about GUI construction newcomers] you'll probably get twelve opinions"--and then the community promptly proves him right: http://groups.google.com/group/comp.lang.python/browse_thread/thread/6fd1ea6... Having arrived in the twenty-first century, clp now has its own (provisional) podcast: http://groups.google.com/group/comp.lang.python/browse_thread/thread/b39581f... David Wahler cogently perverts^H^H^H^H^H^H^H^Hextends pickle to serialize *classes* (as opposed to their instances): http://groups.google.com/group/comp.lang.python/browse_thread/thread/10a03f0... Fully-general backward-compatibility has substantial costs, often greater than the version migration it's supposed to spare us. Several of the regulars discuss this seriously: http://groups.google.com/group/comp.lang.python/browse_thread/thread/423d9df... __slots__ are only a (memory) optimization, restricted to well-defined circumstances, explains the martellibot: http://groups.google.com/group/comp.lang.python/browse_thread/thread/1cc68de... A good thing about Cheetah is that it cooperates with Python's inheritance: http://groups.google.com/group/comp.lang.python/browse_thread/thread/f063406... ======================================================================== 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/topics/pythonurl/ (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 should get through. To receive a new issue of this posting in e-mail each Monday morning (approximately), ask 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.