Python-URL! - weekly Python news and links (Jun 29)

Gabriel Genellina python-url at
Mon Jun 29 16:16:24 CEST 2009

QOTW:  "Fortunately, I have assiduously avoided the real wor[l]d, and am
happy to embrace the world from our 'bot overlords.  Congratulations on
another release from the hydra-like world of multi-head development." - Scott
David Daniels, on release of 3.1
    A success story (involving a game server):
    Floats and Decimal objects demythified:
    Converting Python code to C/C++: how to do it, alternatives, and when
    it would be advisable:
    A generator expression declared at class scope: the namespace resolution
    rules aren't so intuitive:
    A look at 2.1 sample code shows how much (or how little) the language
    evolved over time:
    No "tree" data structure is available in the standard library - should
    one exist?
    Correctly implementing rich comparisons so 'set' membership works as
    Python threading and the GIL (again):
    In ElementTree, XML() and fromstring() aren't the same thing:
    Open source Python projects that need help:
    Meta issue: some posts appear to be missing, depending on where you
    read this (the mailing list, the newsgroup, the gmane gateway...)
    [OT] Measuring Fractal Dimension (mad mathematicians only):
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

    Just beginning with Python?  This page is a great place to start:

    The Python Papers aims to publish "the efforts of Python enthusiasts":
    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:

    The Python Package Index catalogues packages.

    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.

    The Summary of Python Tracker Issues is an automatically generated
    report summarizing new bugs, closed ones, and patch submissions.

    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, see:
    For more, see:
    The old Python "To-Do List" now lives principally in a
    SourceForge reincarnation. presents an intriguing approach to reference commentary.
    It already aggregates quite a bit of Python intelligence.

    Enjoy the *Python Magazine*.

    *Py: the Journal of the Python Language*

    Dr.Dobb's Portal is another source of Python news and articles:
    and Python articles regularly appear at IBM DeveloperWorks:

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