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  • What's New In Python 3.0

    ...interpreters. Issue #4213: The file system encoding is now normalized by the codec subsystem, for example UTF-8 is turned into utf-8. Issue #4200: Changed the atexit module to store its state in its PyModuleDef atexitmodule. This fixes a bug with multiple subinterpeters. Issue #4237: io.FileIO() was raising invalid warnings caused by insufficient initialization of PyFileIOObject struct members. Issue #4170: Pickling a collections.defaultdict object would crash the interpreter. Issue #4146: Compi...

  • What's new in Python 2.3

    What's new in Python 2.3 What's new in Python 2.3 Here are the (subjective) highlights of what's new in Python 2.3. Faster According to a couple of simple benchmark, Python 2.3 is about 20-30% faster than Python 2.2.3. Some of this speed-up was obtained by removing the SET_LINENO opcodes, which means that the difference is less impressive when comparing "python -O"; the rest was various careful tune-ups. New Tools A brand new version of IDLE (from the IDLEfork project at S...

  • Help

    Help New to programming and to Python? Check out the Beginner's Guide. New to Python? Read the standard tutorial. Look for a suitable book from a growing list of titles. Looking for code? See the download page for links to the Python interpreter. Explore the development repository. Got a Python problem or question? First check the Python FAQs, with answers to many common, general Python questions. The Python Help category of the discuss.python.org website hosts usage questions an...

  • Python 2.1 Press Release

    Python 2.1 Press Release <h4>NEWS RELEASE: For immediate release</h4> <center><h1>PythonLabs Releases Python 2.1</h1></center> <p>FALLS CHURCH VA (April 17, 2001) - PythonLabs and the Python Software Foundation today announced the final release of Python 2.1, a new version of the popular object-oriented programming language. Python 2.1 is the first release under the auspices of the Python Software Foundation (PSF). <p>"After months of work a...

  • Python 2.1 Press Release

    Python 2.1 Press Release <h4>NEWS RELEASE: For immediate release</h4> <center><h1>PythonLabs Releases Python 2.1</h1></center> <p>FALLS CHURCH VA (April 17, 2001) - PythonLabs and the Python Software Foundation today announced the final release of Python 2.1, a new version of the popular object-oriented programming language. Python 2.1 is the first release under the auspices of the Python Software Foundation (PSF). <p>"After months of work a...

  • Python 2.1 Press Release

    Python 2.1 Press Release <h4>NEWS RELEASE: For immediate release</h4> <center><h1>PythonLabs Releases Python 2.1</h1></center> <p>FALLS CHURCH VA (April 17, 2001) - PythonLabs and the Python Software Foundation today announced the final release of Python 2.1, a new version of the popular object-oriented programming language. Python 2.1 is the first release under the auspices of the Python Software Foundation (PSF). <p>"After months of work a...

  • 2008 PSF Members' Meeting Minutes

    2008 PSF Members' Meeting Minutes The Python Software Foundation Minutes of the 2008 Members' Meeting March 14, 2008 The Python Software Foundation (the "PSF") held its annual members' meeting on March 14, 2008 at 12:40 CDT (17:40 UTC) at the Crowne Plaza Chicago O'Hare hotel in Rosemont, Illinois, USA (PyCon 2008 Chicago). The agenda is available here. Stephan Deibel presided over the meeting. David Goodger prepared these minutes. Contents 1   Attendance 2...

  • Release – Python 2.3.7

    Version: None

    Released: March 11, 2008

    Python 2.3 is now well and truly in bugfix-only mode; no new features are being added, and only security critical bugs have been fixed. This release addresses a number of cases interpreter …

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  • Release – Python 2.4.6

    Version: None

    Released: Dec. 19, 2008

    This release includes just a small number of fixes, primarily preventing crashes of the interpreter in certain boundary cases. This is the last planned release in the Python 2.4 series. We have …

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  • FSF response to the Python 2.1 license

    FSF response to the Python 2.1 license FSF response to the Python 2.1 license Today, I received the following email from Eben Moglen, the Free Software Foundation's attorney. (See also a postscript.) Subject: Re: Python 1.6.1 and GPL compatibility From: Eben Moglen <moglen@columbia.edu> To: Guido van Rossum <guido@digicool.com> Cc: "Bradley M. Kuhn" <bkuhn@gnu.org>, rms@gnu.org Date: Thu, 19 Apr 2001 07:44:11 -0400 (EDT) On Wednesday, 18 April 2001, Guido van Rossum w...

  • Python 2.4.6 Release

    Python 2.4.6 Release Python 2.4.6 We are pleased to announce Python 2.4.6 (final), a bugfix release of Python 2.4, on Dec 19, 2008. Important: 2.4.6 is a source-only release. If you need a binary release of 2.4, use 2.4.4. If you need the fixes that are included in this release, use 2.6.1 or later. This release includes just a small number of fixes, primarily preventing crashes of the interpreter in certain boundary cases. This is the last planned release in the Python 2.4 series. We have ...

  • PSF Developers in Residence

    PSF Developers in Residence The Python Software Foundation’s Developer in Residence Program supports full-time developers who are focused on improving the Python programming language and its ecosystem. These developers play a crucial role in advancing Python’s core development, maintaining critical infrastructure, and supporting the broader community through mentorship, documentation, and tooling. Their work also addresses essential areas such as packaging, supply chain security, and the conti...

  • Built-in Package Support in Python 1.5

    Built-in Package Support in Python 1.5 Built-in Package Support in Python 1.5 Starting with Python version 1.5a4, package support is built into the Python interpreter. This implements a slightly simplified and modified version of the package import semantics pioneered by the "ni" module. "Package import" is a method to structure Python's module namespace by using "dotted module names". For example, the module name A.B designates a submodule named B in a package named A. Just like...

  • Release – Python 3.12.0

    Version: None

    Released: Oct. 2, 2023

    This is the stable release of Python 3.12.0 Python 3.12.0 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.12 series, compared to 3.11 New features More flexible f-string parsing, allowing many things previously disallowed …

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  • Python Success Stories

    Python Success Stories Background The Molecular Modeling Toolkit (MMTK) is a open source Python library for molecular modeling and simulation with a focus on biomolecular systems, written in a mixture of Python and C. It provides standard techniques such as Molecular Dynamics or normal mode calculations in a ready-to-use form, but also provides a basis of low-level operations on top of which new techniques can easily be implemented. I started developing MMTK in 1996. I had some experience wit...

  • Python 2.3.7 Release

    Python 2.3.7 Release Python 2.3.7 We are pleased to announce Python 2.3.7 (final), a bugfix release of Python 2.3, on March 11, 2008. Important: 2.3.7 is a source-only release. If you need a binary release of 2.3, use 2.3.5. If you need the fixes that are included in this release, use 2.5.2 or later. Python 2.3 is now well and truly in bugfix-only mode; no new features are being added, and only security critical bugs have been fixed. This release addresses a number of cases interpreter migh...

  • Python Software Foundation: Press Release 29-Jul-2003

    Python Software Foundation: Press Release 29-Jul-2003 July 29, 2003 Press Release SOURCE: Python Software Foundation PYTHON SOFTWARE FOUNDATION (PSF) ANNOUNCES PYTHON VERSION 2.3 New release enhances powerful programming language FREDERICKSBURG, Va., July 29, 2003 -- The Python Software Foundation (PSF) announces the release of version 2.3 of the Python programming language. This major release introduces performance enhancements, increased robustness, several minor language feature...

  • Linux RPMs for Python 2.3.3

    ...interpreters for packages which use Distutils, by using the command "python2.3 setup.py bdist_rpm". <hr /> <li />Q) How do I build a version of these RPMs which will install as System Message: ERROR/3 (<string>, line 126) Unexpected indentation. "/usr/bin/python". System Message: WARNING/2 (<string>, line 127) Block quote ends without a blank line; unexpected unindent. <li />A) First of all, realize that you are likely to break many Red Hat ...

  • Release – Python 2.3.5

    Version: None

    Released: Feb. 8, 2005

    Python 2.3.5 (final) on Feb 8th, 2005. This is a bug-fix release for Python 2.3. There have been around 50 bugs fixed since 2.3.4 - in the Python interpreter, the standard library and also in the build process - see the release notes for details. Important: This release is vulnerable …

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  • Python Success Stories

    Python Success Stories Introduction Internet connectivity is omnipresent, finding new applications and giving old designs a new lease on life. In this age of small IC devices boasting TCP/IP stacks and wireless connectivity, one no longer needs a standalone PC to harness the Web. VAHNZ Controls developed its eBukal[1] remote alarm device to leverage their knowledge of microcontroller interfacing and Internet protocols, creating an innovative solution for the field of building automation. Re...

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