Python-URL! - weekly Python news and links (Aug 6)

Gabriel Genellina python-url at
Thu Aug 6 20:21:58 CEST 2009

QOTW:  "The economy rises and falls, money comes and goes, but a great
conference has permanent good effects.  Well, a lot more permanent than
government fiscal policy, anyway." - Python Software Foundation Director
"bitter-in-victory-gracious-in-defeat-ly y'rs" timbot

    Is python free of "buffer overflow" errors?

    Lessons learned in implementation of a write-once dict:

    Methods, attributes, iterators, lambdas, and how Ruby handles them:

    Python 3 allows for custom types to be used as a class namespace 
    not just dicts):

    Could Python be used to write a device driver?

    The various meanings of the underscore character '_' in identifiers:

    Generate a new object each time a name is imported:

    heapq.nlargest takes a "key" argument - why not the other functions in
    the same module?

    Immutable objects and how they could improve concurrency [old thread,
    still alive]:

    How to modify a variable in an outer (non global) scope:

    Best way to add "private" directories to sys.path:

    Interval arithmetic:

    Ensure that no more than three instances of the same program are
    running at the same time:

    Some people don't like the way Python documentation is managed/presented:
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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