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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0//EN"
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"http://www.w3.org/TR/REC-html40/strict.dtd">
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<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<title>
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py_cpp Python/C++ binding documentation
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</title>
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<h1>
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<img src="c++boost.gif" alt="c++boost.gif (8819 bytes)" width="277"
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align="center" height="86"> py_cpp<a href="#naming_contest">*</a>
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</h1>
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<p>
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Py_cpp is a system for quickly and easily interfacing C++ code with <a
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href="http:www.python.org">Python</a> such that the Python interface is
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very similar to the C++ interface. It is designed to be minimally
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intrusive on your C++ design. In most cases, you should not have to alter
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your C++ classes in any way in order to use them with py_cpp. The system
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<em>should</em> simply "reflect" your C++ classes and functions into
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Python.
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<p>
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The source code for py_cpp, including a MSVC demo project is available
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<a href="py_cpp_20001015.zip">here</a>. It has been tested against Python
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1.5.2 with GCC 2.95.2, Metrowerks CodeWarrior Pro6 and with Microsoft
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Visual C++ 6 sp4 using both the <a href="http://www.stlport.org">
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STLport</a> standard library implementation <em>and</em> the library
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implementation which ships with the compiler. It has also been tested
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against Python 2.0c1 with an unknown version of MSVC++ by Alex Martelli.
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Py_cpp requires the <a href="http://www.boost.org">Boost</a> libraries,
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and is currently under formal review on <a href=
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"http://www.egroups.com/list/boost">the boost mailing list</a> for
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acceptance into boost.
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<p>
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py_cpp was originally written by David Abrahams. Ullrich Koethe supplied
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an early version of the overloading support and wrote the support for
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implicit conversions of arguments that have a C++ inheritance
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relationship. Alex Martelli supplied the first tests against Python 2.0.
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The members of the boost mailing list and the Python community supplied
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invaluable early feedback. The development of py_cpp wouldn't have been
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possible without the generous support of Dragon Systems/Lernout and
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Hauspie, Inc.
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<h2>
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Table of Contents
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</h2>
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<ol>
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<li>
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<a href="extending.html">A Brief Introduction to writing Python
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extension modules</a>
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<li>
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<a href="comparisons.html">Comparisons between py_cpp and other systems
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for extending Python</a>
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<li>
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<a href="example1.html">A Simple Example Using py_cpp</a>
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<li>
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<a href="overriding.html">Overridable Virtual Functions</a>
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<li>
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<a href="overloading.html">Function Overloading</a>
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<li>
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<a href="under-the-hood.html">A Peek Under the Hood</a>
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</ol>
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<p>
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More sophisticated examples, including examples which demonstrate that
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these ExtensionClasses support some of Python's "special" member
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functions (e.g. <code>__getattr__(self, name)</code>), are given in
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<code>extclass_demo.cpp</code>, <code> extclass_demo.h</code>, and <code>
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test_extclass.py</code> in the <a href="py_cpp.tgz">source code
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archive</a>. There's much more here, and much more documentation to
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come...
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<p>
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Questions should be directed to <a href=
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"http://www.egroups.com/list/boost">the boost mailing list</a> or to <a
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href="mailto:abrahams@mediaone.net"> David Abrahams</a>, the primary
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author and maintainer.
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<h3>
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Naming Contest
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</h3>
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<p>
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Yes, I know py_cpp is a lousy name. Problem is, the best names my puny
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imagination can muster (IDLE and GRAIL) are taken, so I'm holding a
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naming contest. First prize? You get to pick the name<0.2wink> and
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you will be credited in the documentation. Names that have been suggested
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so far include:
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<ul>
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<li>
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Py++
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<li>
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Python++
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<li>
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Coil
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<li>
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SnakeSkin
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<li>
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CCCP - <strong>C</strong>onvert <strong>C</strong>++ <strong>
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C</strong>lasses to <strong>P</strong>ython
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<li>
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C<sup>3</sup>PO - <strong>C</strong>onvert <strong>C</strong>++
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<strong>C</strong>lasses to <strong>P</strong>ython <strong>
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O</strong>bjects
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<li>
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PALIN - <strong>P</strong>ython <strong>
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A</strong>ugmented-<strong>L</strong>anguage <strong>
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IN</strong>tegration
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<li>
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C-thru
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<li>
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SeamlessC
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<li>
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BorderCrossing
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</ul>
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Please <a href="http://www.egroups.com/list/boost">post</a> or send <a
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href="http:mailto:abrahams@mediaone.net">me</a> your suggestions!<br>
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<br>
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<p>
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© Copyright David Abrahams 2000. Permission to copy, use, modify,
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sell and distribute this document is granted provided this copyright
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notice appears in all copies. This document is provided "as is" without
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express or implied warranty, and with no claim as to its suitability for
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any purpose.
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<p>
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Updated: Oct 15, 2000
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