Python-URL! - weekly Python news and links (Mar 17)

Cameron Laird claird.netnews at
Thu Apr 22 00:17:48 CEST 2010

QOTW:  "... [T]hat kills yet another usage of C ..." - Maciej

   Making operations in the Fraction class automatically return a
   instance when called with subclass arguments:

   Providing alternate constructors for an existing class:

   Checking existence of files matching a certain pattern:

   How to gracefully exit the current process, when there are multiple
   threads, on Windows:

   How inspect.stack()/sys._getframe() interact with local variables

   Alternatives to the re module when looking for a large set of

   Why does Python syntax allow "break" from no more than a single
   at one time?

   Trying to start a new Python meeting group is not easy:

   Bad interactions between cmd.exe code page (Windows), Popen, and
   UTF-8 encoding:

   An example showing how to use the locale module to format a number
   thousand separators:

   How non-ASCII characters get entered from the Python interactive

   Raymond Hettinger on the rationale behind the collections.Counter

   You could not go to PyCon Atlanta? No problem - many PyCon talks
   the last two years are available here:

   An interesting problem: find out the the algorithm used to compute
   given CRC

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

   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
   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.

   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.

   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
   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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