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  • Unifying types and classes in Python 2.2

    ...locals/globals dictionaries for the exec statement or the built-in function eval(): >>> print a.keys() [1, 2] >>> exec "x = 3; print x" in a 3 >>> print a.keys() ['__builtins__', 1, 2, 'x'] >>> print a['x'] 3 >>> However, our __getitem__() method is not used for variable access by the interpreter: >>> exec "print foo" in a Traceback (most recent call last): File "<stdin>", line 1, in ? File "<string>", line 1, in ? NameError: name 'foo' is not defined >>>...

  • Python Success Stories

    Python Success Stories Introduction The Devil Framework is a multi-platform (Linux, OS X, Windows), multi-user, multi-tier, distributed platform for developing process and technology integration solutions: developers can easily collect, integrate, correlate, control and visualize all information produced and consumed by heterogeneous networked hardware and software technologies. The project started in 1999 as a network security data integration system, but when we "discovered" that...

  • Python 1.6.1

    Python 1.6.1 Python 1.6.1 Note: See the download pages for more recent releases. What's new? Python 1.6 was the last of the versions developed at CNRI and the only version issued by CNRI with an open source license. Following the release of Python 1.6, and after Guido van Rossum left CNRI to work with commercial software developers, it became clear that the ability to use Python with software available under the GNU General Public License (GPL) was very desirable. CNRI and the Free Softwa...

  • 2011-01-24 PSF Board Meeting Minutes

    2011-01-24 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors January 24, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 24 January 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. "5-1-2" mea...

  • 2011-07-18 PSF Board Meeting Minutes

    2011-07-18 PSF Board Meeting Minutes .. declare custom role for action items: .. role:: action .. class:: minutes-title | The Python Software Foundation | Minutes of a Regular Meeting of the Board of Directors | | July 18, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 18 July 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "*Y-N...

  • 2020 PSF Annual Report

    2020 PSF Annual Report #wrapper { overflow: hidden; position: relative; } .resize-active * { transition: none; } h1, .h1 { line-height: 34px; margin-bottom: 27px; } h2, .h2 { color: #3776ab; line-height: 26px; display: block; } p, blockquote, time, em { line-height: 28px; } time { font-style: italic; } p { margin-bottom: 24px; text-align: justify; } a { transition: color 0.3s ease-in-out; text-decoration: none; } .section-head...

  • Python Success Stories

    Python Success Stories Introducing IronPython Pairing the Python language's expressivity with the seamless availability of the extensive .NET class libraries makes IronPython a powerful combination for Resolver Systems. About Resolver Systems Resolver Systems is a two year-old start-up based on the outskirts of London's financial district. Our first product, Resolver One, is a desktop and web-accessible spreadsheet aimed primarily at the financial services market. It is written entirely in ...

  • 2013-11-01 PSF Board Meeting Minutes

    2013-11-01 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors November 01, 2013 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Group Conference Call via phone and Internet Relay Chat beginning at 17:00 CET/ 12:00 EDT, on November 01 2013. Van Lindberg presided over the meeting. Ewa Jodlowska prepared the minutes. All votes are reported in the form "Y-N-A" (in favor...

  • PSF Officers & Board Members

    PSF Officers & Board Members Officers & Directors by Year 2025-2026 2024-2025 2023-2024 2022-2023 2021-2022 2020-2021 Earlier Officers & Directors by Name Officers By Title Officers & Directors by Year See also Duties & Responsibilities of Directors 2025-2026 Officers President/Chair: Jannis Leidel Vice Chair Elect: Cristián Maureira-Fredes Vice Chairs: Christopher Neugebauer and Georgi Ker Executive Director: Deb Nicholson Secretary: Deb Nicholson Assistant Secre...

  • 2011-08-15 PSF Board Meeting Minutes

    2011-08-15 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors August 15, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 15 August 2011. In Steve Holden's absence, David Mertz presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions...

  • PSF Trademark Frequently Asked Questions (FAQ)

    PSF Trademark Frequently Asked Questions (FAQ) python pycon pyladies trademark FAQ The main trademark policy is written with a legal mindset. These frequently asked questions page outlines a number of topics we regularly get asked and provides answers in easier to understand terms. It is managed by the PSF Trademark Working Group. Approval Process What is the official policy for use of Python Software Foundation Trademarks? The official PSF Trademark Usage Policy is available at https://www.py...

  • Parade of the PEPs

    Parade of the PEPs Parade of the PEPs To start off Developer's Day at the Python10 conference I gave a keynote ending in what I dubbed "the parade of the PEPs". It was a brief overview of all open PEPs, where I gave my highly personal and subjective opinion for each PEP. Later, I realized that this might have been of interest to other developers. I didn't take notes at the conference, so below is a different set of comments that I created from scratch during a single two-hour sitt...

  • 2009-08-10 PSF Board Meeting Minutes

    2009-08-10 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors August 10, 2009 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 10 August 2009. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. "5-1-2" means ...

  • 2012-02-27 PSF Board Meeting Minutes

    2012-02-27 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors February 27, 2012 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 27 February 2012. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. ...

  • 2011-03-21 PSF Board Meeting Minutes

    2011-03-21 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors March 21, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 21 March 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. "5-1-2" mea...

  • 2011-05-16 PSF Board Meeting Minutes

    2011-05-16 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors May 16, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 16 May 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. "5-1-2" means &...

  • 2011-09-19 PSF Board Meeting Minutes

    2011-09-19 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors September 19, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 19 September 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. "5-1-2&q...

  • 2011-10-17 PSF Board Meeting Minutes

    2011-10-17 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors October 17, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 17 October 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. &q...

  • 2011-11-21 PSF Board Meeting Minutes

    2011-11-21 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors November 21, 2011 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 21 November 2011. Steve Holden presided at the meeting. Pat Campbell prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. ...

  • What's New In Python 3.0

    What's New In Python 3.0 (editors: check NEWS.help for information about editing NEWS using ReST.) What's New in Python 3.0 final Release date: 03-Dec-2008 Core and Builtins Issue #3996: On Windows, the PyOS_CheckStack function would cause the interpreter to abort ("Fatal Python error: Could not reset the stack!") instead of throwing a MemoryError. Issue #3689: The list reversed iterator now supports __length_hint__ instead of __len__. Behavior now matches other reversed ite...

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