Python-URL! - weekly Python news and links (Jan 21)

Gabriel Genellina python-url at
Mon Jan 21 17:20:55 CET 2008

QOTW:  "I'd say Java was never sexy, but dressed up in expensive lingerie by
marketing maniacs..." - Diez B. Roggisch

"I must say that the richness that list comprehensions, generators and
iterators have brought to Python are well nigh immeasurable." - Uche Ogbuji

    Four newbie questions:
    * What are __new__ and __init__?:
    * call-by-object and assignment explained (two threads):
    * Why the name "list" is used instead of "array"?
    * Useful comments about a simple program: counting repeated
    numbers from a file:
    A short explanation about Unicode and encodings, by Martin Löwis:
    Computing all combinations from multiple lists - several
    alternatives discussed:
    APyB[1], the Brazilian Python Association, proudly announces
    that the upcoming International Free Software Forum[2], one of
    the biggest FLOSS events in the world, with more than 5 thousand
    participants in 2007, will have a dedicated Python track this
    year, with 14 talks[3] related to Python and 3 training sessions:

    Pairing two lists: from simple to rather complex answers:
    Tips to find memory leaks:
    Python playes games, and more:

    Arguments in a function call are evaluated before checking its
    number - a missing comma is very significant!
    Django is available for Jython, if you use the right branches:
    Much the same is true for TurboGears ...

Everything Python-related you want is probably one or two clicks away in
these pages:'s Python Language Website is the traditional
    center of Pythonia
    Notice especially the master FAQ

    PythonWare complements the digest you're reading with the
    marvelous daily python url
    Mygale is a news-gathering webcrawler that specializes in (new)
    World-Wide Web articles related to Python.
    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:

    The Python Papers aims to publish "the efforts of Python enthusiats":
    The Python Magazine is a technical monthly devoted to Python:

    Readers have recommended the "Planet" sites:

    comp.lang.python.announce announces new Python software.  Be
    sure to scan this newsgroup weekly.

    Python411 indexes "podcasts ... to help people learn Python ..."
    Updates appear more-than-weekly:

    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.

    The Python Package Index catalogues packages.

    The somewhat older Vaults of Parnassus ambitiously collects references
    to all sorts of Python resources.

    Much of Python's real work takes place on Special-Interest Group
    mailing lists

    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.

    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.
    Among the ways you can support PSF is with a donation.

    Kurt B. Kaiser publishes a weekly report on faults and patches.

    Although unmaintained since 2002, the Cetus collection of Python
    hyperlinks retains a few gems.

    Python FAQTS

    The Cookbook is a collaborative effort to capture useful and
    interesting recipes.

    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
    For more, see
    The old Python "To-Do List" now lives principally in a
    SourceForge reincarnation.

    The online Python Journal is posted at
    editor at and editor at
    welcome submission of material that helps people's understanding
    of Python use, and offer Web presentation of your work. presents an intriguing approach to reference commentary.
    It already aggregates quite a bit of Python intelligence.

    *Py: the Journal of the Python Language*

    Archive probing tricks of the trade:*

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