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  • Python 2.3

    Python 2.3 Python 2.3 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: 2.3....

  • Debugging Reference Count Problems

    Debugging Reference Count Problems Warning This page stays here for historical reasons and it may contain outdated or incorrect information.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...

  • PyCon Registration Form

    PyCon Registration Form <h1>PyCon Registration</h1> <p><a href="http://us.pycon.org/Addison/Hotels" target="_blank">Hotel reservation info & links.</a></p> <p>Note: all prices are in US dollars.</p> <h2>Registration by mail</h2> <p>To pay by check, please send payment in funds <em>drawn on a US bank</em> to: <blockquote>ATTN: PyCon Registration<br> Python Software Foundation<br...

  • Appointment of Proxy for July 24, 2002 member meeting in San Diego, CA

    Appointment of Proxy for July 24, 2002 member meeting in San Diego, CA <h3>Appointment of Proxy for July 24, 2002 member meeting in San Diego, CA</h3> <p><b>Proxy</b> <p>As a member of the Python Software Foundation (PSF), I hereby appoint: <br>______________________________________________________________ <br>[Print the name of the person you are appointing as your proxy.] <br>as my proxy with full power to vote in accordance with the dire...

  • t1python - A Type1 Font Renderer for Python

    t1python - A Type1 Font Renderer for Python t1python - A Type1 Font Renderer for Python This interface to a Type1 font rendering engine allows Python programs access to a large number of fonts which have not been so readily usable before. The interface provides access to the "t1lib" library by Rainer Menzner. The rasterizer is based on the work which IBM contributed to the X Consortium for inclusion in the X11 distribution. More informa...

  • Summary of "Extension Building" Session

    Summary of "Extension Building" Session "Extension Building Considered Painful": Session Summary by Greg Ward The "Extension Building Considered Painful" session at IPC7 was very productive, and there was a good consensus in the room as to what's needed, what will work for various classes of users, and what ideas to steal from other related systems (the closest being Red Hat's RPM and Perl's MakeMaker). Decisions made Everyone seemed to agree with my p...

  • 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...

  • Python Success Stories

    Python Success Stories Python is part of the winning formula for productivity, software quality, and maintainability at many companies and institutions around the world. Here are real-life Python success stories, classified by application domain. Contents Software Development Accessibility Assistive Technologies Code Generation Computer Graphics Configuration Cross-platform Development Databases Data Mining Documentation Development Email Embedded Systems Functional Testing Game Development ...

  • Job - Senior Research Software Engineer (Multiphoton Microscopy)

    Location: London United Kingdom

    We are inviting applications for a research software engineer to be based in the Neuroinformatics Unit, working with the laboratories of Tom Mrsic-Flogel, Sonja Hofer and Tim Behrens in collaboration with the Advanced Microscopy Facility. Our research seeks to understand how the frontal regions of the brain build circuits …

  • Release – Python 3.13.0a2

    Version: None

    Released: Nov. 21, 2023

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a2 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.14.0a4

    Version: None

    Released: Jan. 14, 2025

    Hello, three dot fourteen dot zero alpha four! 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, 3.14.0a4, is the fourth of seven planned alpha releases. Alpha releases …

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  • Support Python in 2023!

    Support Python in 2023! It's our annual year-end PSF fundraiser and membership drive. There are two ways to join in: Donate to the PSF! Every dollar makes a difference. (Does every dollar also make a puppy’s tail wag? We make no promises, but maybe you should try, just in case?) DONATE TODAY Become a Supporting member! When you sign up as a Supporting Member of the PSF, you become a part of the PSF and help us sustain what we do with your annual support. You can sign up as ...

  • Release – Python 3.12.6

    Version: None

    Released: Sept. 6, 2024

    This is the sixth maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.6 is the latest maintenance release, containing about 90 bugfixes, build improvements and documentation changes since 3.12.5. This is an …

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  • Python Patterns - An Optimization Anecdote

    Python Patterns - An Optimization Anecdote Warning This page stays here for historical reasons and it may contain outdated or incorrect information. The other day, a friend asked me a seemingly simple question: what's the best way to convert a list of integers into a string, presuming that the integers are ASCII values. For instance, the list [97, 98, 99] should be converted to the string 'abc'. Let's assume we want to write a function to do this. The first version I came ...

  • Python Software Foundation: Minutes of the 1st Meeting of Board of Directors

    Python Software Foundation: Minutes of the 1st Meeting of Board of Directors The Python Software Foundation Minutes of the 1st Meeting of Board of Directors The Board of Directors of the Python Software Foundation (the "Corporation") held its first meeting on March 5, 2001 at the Hilton Long Beach in Long Beach, Calif. The directors attending were: Paul Everitt Greg Stein No directors were absent. On motion and by unanimous vote, Greg Stein was elected temporary Chairperson ...

  • Job - Junior Full Stack Developer

    Location: Remote, Remote United States

    About the Role We're hiring a Junior Full-Stack Developer to help us build technology that matters. At the Patrick J. McGovern Foundation, we believe that data and AI products can be catalysts for systemic change when built with rigor, deployed with intention, and designed alongside the people they're meant …

  • Release – Python 3.13.0a3

    Version: None

    Released: Jan. 17, 2024

    This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a3, is the third of six planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Python Software Foundation: Minutes of Board of Directors Meeting (October 14, 2003)

    Python Software Foundation: Minutes of Board of Directors Meeting (October 14, 2003) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors October 14, 2003 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 18:00 GMT. Guido van Rossum, president of the Foundation and chairman of the Board, presided at the meeting. 1. Attendance The following members of the Board of Directors were present ...

  • Job - Senior Research Software Engineer (Neural and Behavioural Data)

    Location: London United Kingdom

    The SWC is pioneering open-source approaches (such as Aeon) to study behaviour and brain function over long time scales (days to weeks). Processing and analysing this data represents a considerable challenge due to the scale and the complexity of such long-term recordings (e.g. drift of electrophysiological recordings). We are …

  • Python Software Foundation: Press Release 22-Oct-2002

    Python Software Foundation: Press Release 22-Oct-2002 Python Software Foundation (PSF) Announces Python Version 2.2.2 New release enhances powerful programming language FREDERICKSBURG, Va., October 22 /PRNewswire/ The Python Software Foundation announces the release of version 2.2.2 of the Python programming language. This Maintenance Release introduces a number of enhancements to the language core and its standard libraries. "This release is an invaluable upgrade for all Py...

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