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  • Member meeting at OSCON

    Member meeting at OSCON <p>There will be an extra PSF Member Meeting at the <a href="http://www.python.org/workshops/oscon2002"> O'Reilly Open Source Convention</A>, July 22-26 in San Diego. <p>We've reserved a room for the meeting: <br>Location: Marina II <br>Date: Wednesday, July 24 <br>Time: 8:00 - 10:00 pm <P>It is likely that only 8-10 PSF members will show up. This is not sufficient to make quoru...

  • PSF Fundraiser - test page

    PSF Fundraiser - test page Help us raise $60,000 USD by December 31st! COVID-19 has changed all aspects of our lives and is reshaping our future. Nonprofits like the PSF are having to rebuild. With PyCon 2020 and 2021 happening virtually, the PSF is faced with potentially losing $1.2 million USD of expected revenue for those two years. This fundraiser is critically important and the money raised will help the PSF support the tools and initiatives that Pythonistas use everyda...

  • Power Python:

    Power Python: Join in this year’s end-of-year fundraiser + membership drive! The Python Software Foundation (PSF) is the charitable organization behind Python, dedicated to advancing, supporting, and protecting the Python programming language and the community that sustains it. That mission and cause are more than just words we believe in. Our tiny but mighty team works hard to deliver the projects and services that allow Python to be the thriving, independent, community-driven languag...

  • Computer Programming for Everybody

    ...class" functions and classes pose significant challenges. We will also investigate program slicing [Tip] and program paths [Ball] as techniques to help users understand where to make changes and what impact those changes will have. Slicing is a well-known technique for identifying subsets of programs that affect a particular variable. Analysis via program paths shows the various possible execution paths through a body of code. Each technique has value for testing and debugging programs. T...

  • Release – Python 3.11.0b3

    Version: None

    Released: June 1, 2022

    This is a beta preview of Python 3.11 Python 3.11 is still in development. 3.11.0b3 is the third of five planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to …

  • Release – Python 3.11.0b4

    Version: None

    Released: July 11, 2022

    This is a beta preview of Python 3.11 Python 3.11 is still in development. 3.11.0b4 is the fourth of five planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to …

  • SIG for Development of Persistence and Transaction Frameworks

    ...Class, to ZODB 4, which is based on Python 2.2 new-style classes. As a part of this effort, the ZODB persistence and transaction frameworks are being factored out of ZODB into separate packages, with the hope that they will be of use to other persistence-based frameworks. It will be a huge duplication of effort if each of the various persistence projects has to address the above requirements independently. Worse, the resulting systems will have independent framewo...

  • Download Python 1.6 Source

    Download Python 1.6 Source <h2>Python 1.6</h2> <p>CNRI OPEN SOURCE LICENSE AGREEMENT</p> </center> <br><br> <p>IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY.</p> <p>BY CLICKING ON "ACCEPT" WHERE INDICATED BELOW, OR BY COPYING, INSTALLING OR OTHERWISE USING PYTHON 1.6 SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT.</p> <p>1. This LICENSE AGREEMENT is betwee...

  • Download Python 1.6 Windows Installer

    Download Python 1.6 Windows Installer <h2>Python 1.6</h2> <p>CNRI OPEN SOURCE LICENSE AGREEMENT</p> </center> <br><br> <p>IMPORTANT: PLEASE READ THE FOLLOWING AGREEMENT CAREFULLY.</p> <p>BY CLICKING ON "ACCEPT" WHERE INDICATED BELOW, OR BY COPYING, INSTALLING OR OTHERWISE USING PYTHON 1.6 SOFTWARE, YOU ARE DEEMED TO HAVE AGREED TO THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT.</p> <p>1. This LICENSE AGREEMEN...

  • 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 2.3.1

    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 …

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  • Release – Python 3.9.2rc1

    Version: None

    Released: Feb. 16, 2021

    This is the release candidate of the second maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.2rc1, a release candidate of a bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest …

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  • Release – Python 3.11.0b2

    Version: None

    Released: May 31, 2022

    This is a beta preview of Python 3.11 Python 3.11 is still in development. 3.11.0b2 is the second of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to …

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  • Release – Python 3.11.0b5

    Version: None

    Released: July 26, 2022

    This is a beta preview of Python 3.11 Python 3.11 is still in development. 3.11.0b5 is the last of the five planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects …

  • Release – Python 3.11.0rc1

    Version: None

    Released: Aug. 8, 2022

    This is the first release candidate of Python 3.11 This release, 3.11.0rc1, is the penultimate release preview. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the final release. The second candidate and the last planned …

  • Release – Python 3.11.0rc2

    Version: None

    Released: Sept. 12, 2022

    This is the second release candidate of Python 3.11 This release, 3.11.0rc2, is the last preview before the final release of Python 3.11.0 on 2022-10-24. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the …

  • Python 2.3.1

    ...classes, last seen for Python 2.2.3, is still relevant for Python 2.3.1. Raymond Hettinger has also written a tutorial on descriptors, introduced in Python 2.2. In addition, The Python 2.3 Method Resolution Order is a nice paper by Michele Simionato that explains the C3 MRO algorithm (new in Python 2.3) clearly. (Also available as reStructured Text. Copied with permission.) Files, MD5 checksums, signatures, and sizes a3dcbe1c7f173c8e3c7cce28495016ae Python-2.3.1.tgz (8558611 ...

  • Python 2.0

    ...classes. pickle() will raise a TypeError if it is passed a class. Fixed a bug in gettext's "normalize and expand" code that prevented it from finding an existing .mo file. Restored support for HTTP/0.9 servers in httplib. The math module was changed to stop raising OverflowError in case of underflow, and return 0 instead in underflow cases. Whether Python used to raise OverflowError in case of underflow was platform- dependent (it did when the platform math library set e...

  • Release – Python 3.9.2

    Version: None

    Released: Feb. 19, 2021

    This is the second maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.2, a bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. We've made …

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  • Release – Python 3.13.0b1

    Version: None

    Released: May 8, 2024

    This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b1, is the first of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to …

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