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  • Python 2.3.1

    Python 2.3.1 Python 2.3.1 Note: See Python 2.3.5 for a patch release release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.3, there's a patch available from the security advisory page. Important: 2....

  • Linux RPMs for Python 2.3.2

    Linux RPMs for Python 2.3.2 <h1>Linux RPMs for Python 2.3.2</h1> <p>Except where noted, these RPMs are made available by Sean Reifschneider (<a href="mailto:jafo-rpms@tummy.com">jafo-rpms@tummy.com</a>). <h3>Having Problems?</h3> If you are having problems, please see the <a href="#FAQ">RPM Frequently Asked Questions</a> section at the end of this document for possible solutions. <h3>RPMs For Other Platform...

  • Python 2.0 License

    Python 2.0 License Python 2.0 License Information HISTORY OF THE SOFTWARE Python was created in the early 1990s by Guido van Rossum at Stichting Mathematisch Centrum (CWI) in the Netherlands as a successor of a language called ABC. Guido is Python's principal author, although it includes many contributions from others. The last version released from CWI was Python 1.2. In 1995, Guido continued his work on Python at the Corporation for National Research Initiatives (CNRI) in Res...

  • Sponsor the PSF

    Sponsor the PSF sponsor sponsorship The Python Software Foundation Sponsorship Program The PSF offers an all-in-one sponsorship program: all PSF sponsorships support the full scope of the PSF’s work, including PyCon US as well as PyPI (Python Package Index), CPython, and more. PSF sponsors receive an array of benefits that include a broad selection of promotional opportunities during PyCon US and also year-round. Join us as a sponsor to help make a difference and stand out in the Python ...

  • Release – Python 2.6.9

    Version: None

    Released: Oct. 29, 2013

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  • PSF Membership Types & FAQ

    PSF Membership Types & FAQ The mission of the Python Software Foundation is to promote, protect, and advance the Python programming language, and to support and facilitate the growth of the international community of Python programmers. —from the Mission Statement page What does it mean to be a member of the PSF? What membership classes are there? Who is allowed to vote? Why am I a Basic Member even though I’m a Supporting/Contributing/Fellow Member? How does a person become a PS...

  • Release – Python 2.3.1

    Version: None

    Released: Sept. 23, 2003

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

    View Release Notes

  • Release – Python 2.3.0

    Version: None

    Released: July 29, 2003

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

    View Release Notes

  • Python 2.3.4

    Python 2.3.4 Python 2.3.4 Note: See Python 2.3.5 for a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.3, there's a patch available from the security advisory page. Important: 2.3.5 in...

  • Python 2.6.2 Release

    Python 2.6.2 Release Python 2.6.2 Python 2.6.2 has been replaced by a newer bugfix release of Python. Please download Python 2.6.6 instead. Python 2.6.2 was released on April 14, 2009. Python 2.6 is now in bugfix-only mode; no new features are being added. Dozens of bugs reported since the release of 2.6.1 have been fixed. The NEWS file lists every change in each alpha, beta, and release candidate of Python 2.6. What's New in Python 2.6. Report bugs at http://bugs.python.org. Read the Py...

  • Release – Python 3.14.0a5

    Version: None

    Released: Feb. 11, 2025

    Here comes the antepenultimate alpha. This is an early developer preview of Python 3.14 Major new features of the 3.14 series, compared to 3.13 Python 3.14 is still in development. This release, 3.14.0a5, is the fifth of seven planned alpha releases. Alpha releases are intended to make it easier to …

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  • Python 2.3.2

    Python 2.3.2 Python 2.3.2 Note: See Python 2.3.5 for a patch release release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need to remain with Python 2.3, there's a patch available from the security advisory page. Important: ...

  • Release – Python 2.3.4

    Version: None

    Released: May 27, 2004

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

    View Release Notes

  • Linux RPMs for Python 2.3.3

    Linux RPMs for Python 2.3.3 <h1>Linux RPMs for Python 2.3.3</h1> <p>Except where noted, these RPMs are made available by Sean Reifschneider (<a href="mailto:jafo-rpms@tummy.com">jafo-rpms@tummy.com</a>). <h3>Having Problems?</h3> If you are having problems, please see the <a href="#FAQ">RPM Frequently Asked Questions</a> section at the end of this document for possible solutions. <h3>RPMs For Other Platform...

  • 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...

  • Release – Python 2.3.2

    Version: None

    Released: Oct. 3, 2003

    This is a patch release which supersedes earlier releases of 2.3. Important: This release is vulnerable to the problem described in security advisory PSF-2006-001 "Buffer overrun in repr() of unicode strings in wide unicode builds (UCS-4)". This fix is included in Python 2.4.4 and Python 2.5. If you need …

    View Release Notes

  • 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...

  • Release – Python 2.6.2

    Version: None

    Released: April 14, 2009

    Python 2.6.2 was released on April 14, 2009. Python 2.6 is now in bugfix-only mode; no new features are being added. Dozens of bugs reported since the release of 2.6.1 have been fixed. The NEWS file lists every change in each alpha, beta, and release candidate of …

    View Release Notes

  • Release – Python 3.14.0a3

    Version: None

    Released: Dec. 17, 2024

    O Alpha 3, O Alpha 3, how lovely are your branches! https://www.python.org/downloads/release/python-3140a3/ This is an early developer preview of Python 3.14 Major new features of the 3.14 series, compared to 3.13 Python 3.14 is still in development. This release, 3.14.0a3, is the third of seven planned alpha releases. Alpha releases …

    View Release Notes

  • Become a Member of the PSF

    Become a Member of the PSF By becoming a member, you tell us and the world that you are a part of the PSF and support our work, and as one of the classes of voting members, you add your voice to the future direction of the Foundation. We're so happy to have you! Voting Memberships As core stakeholders of the Python Software Foundation community, Supporting Members, Contributing Members, and PSF Fellows are all eligible to vote in PSF Board Elections. 1. Sign up as a Supporting Member here! Su...

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