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Debugging Reference Count Problems Warning This page stays here for historical reasons and it may contain outdated or incorrect information. Debugging Reference Count Problems From: Guido van Rossum <guido@CNRI.Reston.VA.US> To: python-list@cwi.nl Date: Wed, 27 May 1998 11:09:40 -0400 Mike Fletcher wrote a number of posts about debugging C code that bombs, probably because of reference count problems. His approach to debugging this problem seems typical, but I thin...
...Python 2.0 began to disallow multiple arguments to the sequence append method. This problem required changing exactly three easily found calls in our code base of over 77K lines of Python. 2) Different versions of Python can produce incompatible compiled byte code and requires that C/C++ extension modules are compiled against a specific version of Python. For example, while Python 2.2.2 works happily with Python 2.2.1 or 2.2.0 byte code and extension modules, it will print warnings and may run i...
...Python from bison code, the parser was not thread safe. It should be noted that some of these problems have been resolved with the 0.11.1 release of 4Suite. When analysing parser generators, the following absolute requirements where defined: The generated parsers should allow semantic actions in Python. This requirement is obvious, since it would not be a Python parser generator otherwise. It was no requirement that the generator itself is a Python program. ...
...Python 2.3 Method Resolution Order By Michele Simionato. Abstract:This document is intended for Python programmers who want to understand the C3 Method Resolution Order used in Python 2.3. Although it is not intended for newbies, it is quite pedagogical with many worked out examples. I am not aware of other publicly available documents with the same scope, therefore it should be useful. Disclaimer: I donate this document to the Python Software Foundation, under the Python 2.3 license....
...Python] http://www.python.org/jpython/ [Logo] http://el.www.media.mit.edu/groups/logo-foundation/ [LogoMation] http://www.magicsquare.com/LM2/ [Lutz] Mark Lutz. Programming Python. O'Reilly, 1996. [OpenSource] http://www.opensource.org/ [Python] http://www.python.org/ [TeachScheme] http://www.cs.rice.edu/CS/PLT/Teaching/ [Watters] Aaron Watters, Guido van Rossum, Jim Ahlstrom. Internet Programming with Python. MIS Press/Henry Holt, 1996.
...Python core development team moved to BeOpen.com to form the BeOpen PythonLabs team. In October of the same year, the PythonLabs team moved to Digital Creations (now Zope Corporation; see http://www.zope.com/). In 2001, the Python Software Foundation (PSF, see http://www.python.org/psf/) was formed, a non-profit organization created specifically to own Python-related Intellectual Property. Zope Corporation is a sponsoring member of the PSF. All Python releases are Open Source (see http...
...Python Conference, San Jose, Ca., Oct. 1997, pp. 11-20. [Hugunin2] Jim Hugunin. JPython Update. Invited talk, 7th International Python Conference. Houston, Tex., Nov. 1998. PowerPoint slides: http://www.jpython.org/jpython-talk-1.ppt [Jackson] Daniel Jackson and Allison Waingold. Lightweight Extraction of Object Models from Bytecode. In Proceedings of the International Conference on Software Engineering, Los Angeles, Ca., May 1999. [JPython] http://www.jpython.org/ [Know...
Python Humor Here is a spurious collection of semi to totally unserious stuff, mostly postings found wafting gently in the comp.lang.python newsgroup (a.k.a. the python-list mailing list). See also Andrew Kuchling's collection of Python quotations, containing in a condensed form some sterling examples of the wit and wisdom encountered in the Python world. Contents The Zen of Python Fundamental... Cute Wabbit Shooting Yourself in the Foot Legal Issues Python vs Tcl vs Perl5 Python Object Orie...
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