Python-URL! - weekly Python news and links (May 14)

QOTW: "Tail recursion *unifies* message passing and function calling. *This* is the reason tail recursion is cool." - JRM http://funcall.blogspot.com/2009/05/you-knew-id-say-something-part-iii.html First beta of Python 3.1 released http://groups.google.com/group/comp.lang.python/t/29d24e950df2bcc6/ Python-coded scripts can do what LINQ does in expressing queries as SQL against a list of rows and columns: http://groups.google.com/group/comp.lang.python/msg/8c67d72703979c55 SQLite is quite wonderful. Chaining generators efficiently http://groups.google.com/group/comp.lang.python/t/f7503fd51f113976/ Decorating a method is slightly harder than decorating a plain function: http://groups.google.com/group/comp.lang.python/t/956ce6027df6f8e4/ heapq.merge() lacks a `key` argument, but it would be very useful: http://groups.google.com/group/comp.lang.python/t/52ed18a35654d2b1/ Python syntax as a friendlier alternative to those cryptic functional languages http://groups.google.com/group/comp.lang.python/t/5f02a42f22e896f3/ On a third hand, JRM argues that tail recursion would only help Python, despite the decisions of BDFL. http://funcall.blogspot.com/2009/05/you-knew-id-say-something-part-iii.html The right way to use an "else" clause in a try/except/else: http://groups.google.com/group/comp.lang.python/t/c599b522d4e59f54/ Simple way of handling and logging errors: http://groups.google.com/group/comp.lang.python/t/4a77fa363f247f78/ http://groups.google.com/group/comp.lang.python/t/fd85bc9de4a23713/ Experienced Pythonistas comment on a simple program: http://groups.google.com/group/comp.lang.python/t/5ac3a909e38c4ee4/ Serving an image in a web application does not necesarily require a file stored on disk: http://groups.google.com/group/comp.lang.python/t/721d5e6ab3b1cbd7/ Double-clicking a .py file doesn't work: how to fix file associations on Windows http://groups.google.com/group/comp.lang.python/t/8837a113342c63bc/ A long thread, started as a request for comments on PEP 382, now discussing how evil .pth files are, and other issues involving eggs, setuptools, easy _install, distutils and even GNU stow: http://groups.google.com/group/comp.lang.python/t/aebfb3311a2f5eb6/ In case you missed it: 'import antigravity' in action! http://groups.google.com/group/comp.lang.python/t/9e8d5ebb5423b0af/ ======================================================================== 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 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 enthusiasts": 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/group/comp.lang.python.announce/topics Python411 indexes "podcasts ... to help people learn Python ..." Updates appear more-than-weekly: http://www.awaretek.com/python/index.html 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/donations/ The Summary of Python Tracker Issues is an automatically generated report summarizing new bugs, closed ones, and patch submissions. http://search.gmane.org/?author=status%40bugs.python.org&group=gmane.comp.python.devel&sort=date 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://code.activestate.com/recipes/langs/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, see: http://www.python.org/channews.rdf 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/ 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 Enjoy the *Python Magazine*. http://pymag.phparch.com/ *Py: the Journal of the Python Language* http://www.pyzine.com Dr.Dobb's Portal is another source of Python news and articles: http://www.ddj.com/TechSearch/searchResults.jhtml?queryText=python and Python articles regularly appear at IBM DeveloperWorks: http://www.ibm.com/developerworks/search/searchResults.jsp?searchSite=dW&searchScope=dW&encodedQuery=python&rankprofile=8 Previous - (U)se the (R)esource, (L)uke! - messages are listed here: http://search.gmane.org/?query=python+URL+weekly+news+links&group=gmane.comp.python.general&sort=date http://groups.google.com/groups/search?q=Python-URL!+group%3Acomp.lang.python&start=0&scoring=d& http://lwn.net/Search/DoSearch?words=python-url&ctype3=yes&cat_25=yes 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!". 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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Gabriel Genellina