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Newsgroups: Linux Today
Subject: developerWorks: Metaclass Programming in Python
Date: Fri, 11 Apr 2003 13:42:16 -0400
Message-ID: <1289@Linux Today.nnrss>

"Most readers are already familiar with the concepts of
object-oriented programming: inheritance, encapsulation,
polymorphism. But the creation of objects of a given class, with
certain parents, is usually thought of as a 'just so' operation. It
turns out that a number of new programming constructs become either
easier, or possible at all, when you can customize the process of
object creation..."

<p><a href='http://linuxtoday.com/news_story.php3?ltsn=2003-04-11-004-26-OS-HL-DV'>link</a></p>