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  • Parade of the PEPs

    ...packages). How do you know which contributions are good? Count downloads? A "vote on this package" form? What is the original author planning to do? PEP 245 - Python 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...

  • Python Success Stories

    ...package that can translate DocBook SGML into Word Rich Text. This arrangement wasn't perfect but I quickly realized that I could use it to save a year in development and maintenance costs, and to respond more quickly to new assignments. The Core Data Flow My primary task was to translate arbitrary data mined from various sources scattered throughout my organization into sensible-looking Microsoft Word 97 reports. I decided that this was best handled through a core pipeline of applications that...

  • Metaclasses in Python 1.5

    ...package; Jim Fulton has used it in his Extension Classes package. (It has also been referred to as the ``Don Beaudry hack,'' but that's a misnomer. There's nothing hackish about it -- in fact, it is rather elegant and deep, even though there's something dark to it.) (On first reading, you may want to skip directly to the examples in the section "Writing Metaclasses in Python" below, unless you want your head to explode.) Documentation of the Don Beaudry hook has purposeful...

  • PSF Trademark Usage Policy

    PSF Trademark Usage Policy PSF Trademark Policy and Guidelines In case you have questions regarding our trademark policy, please check our PSF Trademark FAQ or contact the PSF Trademarks Committee for help. Introduction This document outlines the policy of the Python Software Foundation ("PSF") regarding the use of its trademarks. Any use of any PSF trademark must be in accordance with this policy. "Python" is a registered trademark of the PSF. The Python logos (in severa...

  • Release – Python 2.4.3

    Version: None

    Released: April 15, 2006

    We are pleased to announce the release of …

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  • Release – Python 3.2.4

    Version: None

    Released: April 6, 2013

    Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.4 was released on April 7th, 2013. This is the final 3.2 series bugfix release. New features of the 3.2 series, compared to 3.1 Python 3.2 is a continuation of the efforts to improve and …

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  • Release – Python 3.14.0b3

    Version: None

    Released: June 17, 2025

    It's 3.14 beta 3! https://www.python.org/downloads/release/python-3140b3/ This is a beta preview of Python 3.14 Python 3.14 is still in development. This release, 3.14.0b3, is the third of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and …

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  • Release – Python 3.14.0

    Version: None

    Released: Oct. 7, 2025

    This is the stable release of Python 3.14.0 Python 3.14.0 is the newest major release of the Python programming language, and it contains many new features and optimisations compared to Python 3.13. Major new features of the 3.14 series, compared to 3.13 Some of the major new features and changes …

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  • Release – Python 3.14.2

    Version: None

    Released: Dec. 5, 2025

    This is the second maintenance release of Python 3.14 Python 3.14.2 is the second maintenance release of 3.14, containing 18 bugfixes, build improvements and documentation changes since 3.14.1. This is an expedited release to fix the following regressions: gh-142206: Exceptions in multiprocessing in running programs while upgrading Python. gh-142214 …

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  • Python Success Stories

    ...package of code, graphics and templates that provides a piece of reusable web functionality. We were able to combine the integrated pieces of Zope that we loved and used on a daily basis, like user management and simple object publishing to the web, with the flexibility of Python and its large internal library. This also allowed us to keep source code outside of the Zope object database and on the file system, where it could be used with our existing CVS infrastructure for source code control an...

  • Support the PSF with a Donation or by becoming a Supporting Member!

    Support the PSF with a Donation or by becoming a Supporting Member! Donate What does the Python Software Foundation do? The Python Software Foundation: Awards grants and provides resources for furthering the development and adoption of Python. Organizes and hosts the annual PyCon US conference. 2019 brought together 3,393 attendees from 55 countries, a new record for PyCon US! Our sponsors’ support enabled us to award $137,200 USD to ...

  • Release – Python 2.5.2

    Version: None

    Released: Feb. 21, 2008

    Python 2.5.2 was released on February 21st, 2008. This is the second bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 100 bugs and patches have been addressed since Python 2.5.1, many …

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  • Release – Python 2.5.3

    Version: None

    Released: Dec. 19, 2008

    Python 2.5.3 was released on December 19th, 2008. This is the last bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, about 80 bugs and patches have been addressed since Python 2.5.2, many …

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  • Release – Python 2.5.1

    Version: None

    Released: April 19, 2007

    Python 2.5.1 was released on April 18th, 2007. This is the first bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 150 bugs and patches have been squished since Python 2.5, including …

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  • Release – Python 3.2.5

    Version: None

    Released: May 15, 2013

    Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.5 was released on May 15th, 2013. This release fixes a few regressions found in Python 3.2.4, and is planned to be the final 3.2 series bugfix release. New features of the 3.2 series, compared …

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  • Release – Python 3.2.1

    Version: None

    Released: July 9, 2011

    Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.1 was released on July 10th, 2011. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only …

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  • Release – Python 3.2.2

    Version: None

    Released: Sept. 3, 2011

    Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.2 was released on September 4th, 2011. It mainly fixes a regression in the urllib.request module that prevented opening many HTTP resources correctly with Python 3.2.1. Python 3.2 is a continuation of the efforts to …

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  • Release – Python 3.2.3

    Version: None

    Released: April 10, 2012

    Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2.3 was released on April 10, 2012. It includes fixes for several reported security issues: issue 13703 (CVE-2012-1150, hash collision denial of service), issue 14234 (CVE-2012-0876, Expat hash collision denial of service), issue 14001 (CVE-2012-0845, …

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  • Release – Python 3.2.0

    Version: None

    Released: Feb. 20, 2011

    Note: A newer security-fix release, 3.2.6, is currently available. Its use is recommended. Python 3.2 was released on February 20th, 2011. Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only …

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  • Release – Python 2.4.4

    Version: None

    Released: Oct. 18, 2006

    Python 2.4 is now in bugfix-only mode; no new features are being added. At least 80 bugs have been squished since Python 2.4.3, including a number of bugs and potential bugs found by with the Coverity and …

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