Python-URL! - weekly Python news and links (Aug 10)

Cameron Laird claird271 at
Wed Aug 10 16:04:10 CEST 2011

QOTW: "If an elegant solution doesn't occur to me right away, then I
compose the most obvious solution I can think of. Finally, I refactor
until elegance is either achieved or imagined." - Neil Cerutti,

   What is the real purpose of __all__?

   __set__ does not appear to work for class attributes:

   Talking of class attributes: how to set up a docstring for them?

   Using zip to separate a list of pairs into two lists:

   Detecting object differences in order to propagate the changes over
   a network:

   modules, classes, and functions: all appear to be different ways to
   execute a block of code; similarities and differences

   Replace all references to one object with another, is it possible?

   Ensure certain attributes, even if writable and modifiable,
   certain invariants:
Everything Python-related you want is probably one or two clicks away
these pages:'s Python Language Website is the traditional
   center of Pythonia
   Notice especially the master FAQ

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

   Planet Python:  you want to visit there:
   But don't confuse it with Planet SciPy:
   And don't confuse *that* with SciPyTip, a high-quality daily (!)
   for the numerically-inclined:

   Python Insider is the official blog of the Python core development

   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.
   Keep up with the PSF at "Python Software Foundation News":

   The Python Papers aims to publish "the efforts of Python

   Doug Hellman's "Module of the week" is essential reading:

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

   nullege is an interesting search Web application, with the
   to distinguish between Python code and comments.  It provides what
   appear to be relevant results, and demands neither Java nor CSS be

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

   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
   It already aggregates quite a bit of Python intelligence.

   At least one of the Python magazines is explicitly multilingual:

   PythonWare complemented the digest you're reading with the
   marvelous daily python url.  While it's now ... dormant, it still
   has plenty of interesting reading.

   Python articles regularly appear at IBM DeveloperWorks:

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