Python-URL! - weekly Python news and links (Jul 22)

Gabriel Genellina python-url at
Wed Jul 22 08:48:25 EDT 2009

QOTW:  "If programming is symbol manipulation, then you should remember that
the user interface is also symbol manipulation, and it is a MUCH harder
problem than databases, sorting, searching, and all the other problems you
learn about in academia. The user interface has to communicate over a rich
but noisy channel using multiple under-specified protocols to a couple of
pounds of meat which processes information using buggy heuristics evolved
over millions of years to find the ripe fruit, avoid being eaten, and have
sex. If you think getting XML was hard, that's *nothing* compared to user

The fact that even bad UIs work at all is a credit to the heuristics, bugs
and all, in the meat." - Steven D'Aprano

    Invoke the same method over every object in a collection:
    There is no 'xor' boolean operator, why? What should be its outcome?
    A thread-safe method to create unique identifiers (not necesarily
    increasing integers):
    Tim Chase tells us three ways to turn standard output into unbuffered mode:
    How to receive data of unknown length using sockets:
    Override a method, but keeping the inherited docstring:
    Limiting the execution time of a code fragment:
    Sharing a big object between processes using the multiprocessing module:
    Why aren't OrderedDicts [3.1] comparable using <, >, <=, >=?
    So many ways to call a function - why is that? Beginners get confused:
    The reasons to choose your favorite programming language (Python, I
    Tuples, lists, their differences and motivation:
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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