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  • Python Success Stories

    ...interface. Unfortunately, the COM interface was much too slow to handle the massive number of table cells that were extracted from the BEACON source code. Worse were the reuse issues with the classes I was writing for dealing with the different stylistic requirements at the different levels of sections, headings, paragraphs, and phrases. To address these problems, I considered writing ASCII text files to specify margins, font, heading level, and insertion points for standard forms. But inventing...

  • Comparing Python to Other Languages

    ...definitions. However, for JavaScript, that's all there is. Python, on the other hand, supports writing much larger programs and better code reuse through a true object-oriented programming style, where classes and inheritance play an important role. Perl Python and Perl come from a similar background (Unix scripting, which both have long outgrown), and sport many similar features, but have a different philosophy. Perl emphasizes support for common application-oriented tasks, e.g. by...

  • Python 2.0

    ...interfaces needed to process XML 1.0 compliant XML. Some documentation is already available. pyexpat: Renamed to xml.parsers.expat since this is part of the new, packagized XML support. C API Add three new convenience functions for module initialization -- PyModule_AddObject(), PyModule_AddIntConstant(), and PyModule_AddStringConstant(). Cleaned up definition of NULL in C source code; all definitions were removed and add #error to Python.h if NULL isn't defi...

  • Python Success Stories

    ...Interface front-end is written in Adobe Flex, and provides aid to the functionality exposed by the server. It requires a live connection to the server in order to function. A JavaScript 'tracking code' is installed on client web pages and provides the server with active web analytics. Some of the other technologies we're using at the moment for WordStream are Adobe Flex, Linux, Apache, and C/C++. As for development process tools, we're using PyDev Extensions, Trac, Buildbot, Review Board, and ...

  • Search Python Resources

    Search Python Resources <H1>Search Python Resources</H1> These are minimalistic quick search forms. For more elaborate interfaces, click on the "advanced search" links below.<P> <FORM method="GET" ACTION="http://www.google.com/search"> <P> Search the <A HREF="http://www.python.org">Python Website</A> using <img border="0" src="/images/Google_Logo_25wht.gif" alt="Google" align=&qu...

  • Parade of the PEPs

    ...Interface Syntax - Pelletier Jim Fulton has said that this PEP was premature. I agree. It introduces a new keyword, 'interface', and I'm not yet convinced that that is needed. On the other hand, the way this is currently done in Zope also looks butt-ugly, so something may indeed be needed. I think that at some point in the future when we have more experience with using interfaces (especially in Zope 3) we'll go back to this PEP and see how much of it we can use. Maybe there should ...

  • Towards a Standard Parser Generator

    ...definition file. Like YACC, YAPPS supports custom code before and after the grammar definition. YAPPS parsers integrate with the scanner through a Scanner object, which is passed to the parser as a constructor argument. Even though YAPPS supports definition of tokens in the grammar, we have not used this capability in XPath, since we have provided my own scanner class. The YAPPS parser will only require a token() method from the scanner object, which must return a four-tuple (start, e...

  • Summary of "Extension Building" Session

    ...interface. People also seemed to accept the idea of "building" everything -- C modules, Python modules, eventually documentation -- to a temporary "build library" directory, tentatively called blib/. (This is one of the few implementation details of Perl's MakeMaker that survived the session.) The blib/directory serves (at least) two purposes: it makes installation near-trivial, and it provides a realistic-looking pseudo-installation tree for running test scripts. ...

  • Notes

    ...definition in the nearest enclosing function scope will be used. One consequence of this change is that lambda statements could reference variables in the namespaces where the lambda is defined. In some unusual cases, this change will break code. In all previous version of Python, names were resolved in exactly three namespaces -- the local namespace, the global namespace, and the builtin namespace. According to this old definition, if a function A is defined within a function B, the names bo...

  • Notes

    ...Interface eXtension, a powerful set of user interface components that expands the capabilities of your Tcl/Tk and Python applications. Build Bug #929689: Don't define _XOPEN_SOURCE on UnixWare 7.1.4. What's New in Python 2.3.3 (final)? Release date: 19-Dec-2003 Core and builtins Removed PendingDeprecationWarning from apply(). apply() remains deprecated, but the nuisance warning will not be issued. Library A couple of bugs were squished in trace.py What's New in Python 2.3.3c1...

  • Python Success Stories

    ...definitions or the initializer structure changed. What I really wanted was code that would analyze the shape and members of the initializer, query the class definitions themselves about their members, and then adjust itself to impedance-match the two sets. This kind of thing is called metaclass hacking and is generally considered fearsomely esoteric -- deep black magic. Most object-oriented languages don't support it at all; in those that do (Perl being one), it tends to be a complicated and fra...

  • Python 2.6.8 license

    ...Definition). Historically, most, but not all, Python releases have also been GPL-compatible; the table below summarizes the various releases. Release Derived from Year Owner GPL compatible? 0.9.0 thru 1.2 n/a 1991-1995 CWI yes 1.3 thru 1.5.2 1.2 1995-1999 CNRI yes 1.6 1.5.2 2000 CNRI no 2.0 1.6 2000 BeOpen.com no 1.6.1 1.6 2001 CNRI no 2.1 2.0+1.6.1 2001 PSF no 2.0.1 2.0+1.6.1 2001 PSF yes 2.1.1 2.1+2.0.1 2001 PSF...

  • Python 2.6.9 license

    ...Definition). Historically, most, but not all, Python releases have also been GPL-compatible; the table below summarizes the various releases. Release Derived from Year Owner GPL compatible? 0.9.0 thru 1.2 n/a 1991-1995 CWI yes 1.3 thru 1.5.2 1.2 1995-1999 CNRI yes 1.6 1.5.2 2000 CNRI no 2.0 1.6 2000 BeOpen.com no 1.6.1 1.6 2001 CNRI no 2.1 2.0+1.6.1 2001 PSF no 2.0.1 2.0+1.6.1 2001 PSF yes 2.1.1 2.1+2.0.1 2001 PSF...

  • EDU-SIG: Python in Education

    ...interface toolkits. matplotlib tries to make easy things easy and hard things possible. You can generate plots, histograms, power spectra, bar charts, errorcharts, scatterplots, etc, with just a few lines of code. PIL, the Python Imaging Library adds image processing capabilities to your Python interpreter. This library supports many file formats, and provides powerful image processing and graphics capabilities. OpenOpt is a free optimization framework which builds upon Numpy. In addition to var...

  • Python 2.4.1 - Release Notes

    ...definition with a platform- specific spelling in that platform's pyconfig.h. You can also override pyport.h's default Py_IS_INFINITY definition now. C API SF patch 1044089: New function PyEval_ThreadsInitialized() returns non-zero if PyEval_InitThreads() has been called. The undocumented and unused extern int _PyThread_Started was removed. The C API calls PyInterpreterState_New() and PyThreadState_New() are two of the very few advertised as being safe to call without holding the GIL. Howe...

  • Notes

    ...definition with a platform- specific spelling in that platform's pyconfig.h. You can also override pyport.h's default Py_IS_INFINITY definition now. C API SF patch 1044089: New function PyEval_ThreadsInitialized() returns non-zero if PyEval_InitThreads() has been called. The undocumented and unused extern int _PyThread_Started was removed. The C API calls PyInterpreterState_New() and PyThreadState_New() are two of the very few advertised as being safe to call without holding the GIL. Howe...

  • PSF Board Resolutions

    ...Definition, as established by the Open Source Initiative (see http://www.opensource.org/). Add the following paragraph to the end of the mission statement (after "Encourages and facilitates Python-related research in the public interest."): "Open source" is defined as: freely available technology licensed under terms compatible with Version 1.9 (or later) of the Open Source Definition, as established by the Open Source Initiative (see http://www.opensource.org/). Appro...

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