Python-URL! - weekly Python news and links (Dec 9)

Gabriel Genellina python-url at
Wed Dec 9 22:32:45 CET 2009

QOTW:  "I'm not sure you ever understood what the problem was, or where, but
I'm happy you feel like you've solved it." - Marco Mariani
    Python 2.7a1, the first alpha release of the 2.7 series, is available now:
    A bidirectional dictionary structure analyzed:
    How to define and use a nested class:
    PyCon 2010 registration opens:

    Why not have a local variable scope smaller than a function?
    How to test whether two floating point values are "close enough" to be
    almost equal:
    A special notation for accessing dynamic attribute names:
    Computed attributes, properties, and the descriptor protocol "magic":
    Name resolution, global names, importing modules, and how all of them
    Are there any high-volume Python-powered websites?
    How decoupled are the Python web frameworks?
    Moving from Python 2 to Python 3: A "cheat sheet" by Mark Summerfield
    The sheets:
    Thoughts about bytecode optimization and measuring overhead of the eval
    Python as the starting point for a career on IT:
    Idea: get around the GIL using XMLRPC
    Bored and looking for something to do in Python:
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" site:

    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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