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  • Python Success Stories

    Python Success Stories Introduction To be the industry leader in Managed Hosting, you have to be fast and flexible. By using Python to implement our enterprise data systems, Rackspace can quickly and effectively change its internal systems to keep up with shifts in the industry and in our own business processes. We do this through a central customer information system called "CORE," which is used both for Customer Relationship Management (CRM) and Enterprise Resource Planning (ERP)....

  • Python Success Stories

    Python Success Stories Introduction Strakt is a Swedish company which specializes in developing scalable and secure products for collaboration in workflow intensive workplaces. Our vision is to empower professionals to collaborate in an enjoyable, intuitive, and efficient way that is tailored to their and their organisations' needs, while simultaneously developing and maintaining digitally stored organisational memory. In 2001, AB Strakt embarked on a large software development project aimed ...

  • Incompatibilities between Python 2.1[.x] and 2.2[.x]

    Incompatibilities between Python 2.1[.x] and 2.2[.x] <h3>Incompatibilties between Python 2.2.2 and Python 2.2.3</h3> <p>The following visible differences between Python 2.2.2 and Python 2.2.3 are intentional. <ul> <p><li>It is no longer possible to use object.__setattr__ to circumvent the restrictions on setting attributes of type objects. <p><li>list.extend() works with any iterable. <p><li>In pdb, you can no longer enable breakpo...

  • Release – Python 3.12.0a5

    Version: None

    Released: Feb. 7, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a5 is the fifth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state …

  • Release – Python 3.12.0a6

    Version: None

    Released: March 8, 2023

    This is an early developer preview of Python 3.12. Major new features of the 3.12 series, compared to 3.11 Python 3.12 is still in development. This release, 3.12.0a6 is the sixth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state …

  • Python 2.0

    ....3. dl: Add several dl.RTLD_ constants. fpectl: Now supported on FreeBSD. gc: Add DEBUG_SAVEALL option. When enabled all garbage objects found by the collector will be saved in gc.garbage. This is useful for debugging a program that creates reference cycles. httplib: Three changes: Restore support for set_debuglevel feature of HTTP class. Do not close socket on zero-length response. Do not crash when server sends invalid content-length header. mailbox: Mailbox clas...

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

    ....3. Special Meetings. Special meetings of the members shall be held when directed by the Chairman, President or the Board of Directors, or when requested in writing by not less than ten percent (10%) of all members entitled to vote at the meeting. The call for the meeting shall be issued by the Secretary, unless the Chairman, President, Board of Directors or members requesting the meeting shall designate another person to do so. Section 3.4. Notice. Written notice stating the place, date and ho...

  • Towards a Standard Parser Generator

    Towards a Standard Parser Generator Towards a Standard Parser Generator Martin v. Löwis Humboldt-Universität zu Berlin Institut für Informatik loewis@informatik.hu-berlin.de Abstract Developing parsers for "little" languages is a common task for many software developers. People have frequently requested inclusion of a specific parser generator framework into the Python library. In this paper, we compare several Python parser generators, using the XPath langua...

  • Parade of the PEPs

    ....3. Need I say more? PEP 239 - Adding a Rational Type to Python - Zadka Like 228, I think this is not a realistic PEP, it's just a collection of open issues. A rational type seems to create more problems than it resolves. Maybe, just maybe there could be an efficient rational type implemented in C (using Python longs of course) in an extension module. But that's just a matter of hard work, and nobody seems interested. In the mean time, if you need rational numbers, there are ...

  • PSF Grants Program

    PSF Grants Program The PSF Grants Program is currently paused The PSF Grants Program has been temporarily paused after hitting our 2025 funding cap early. It was an extremely difficult but necessary decision to ensure the program and foundation’s near and long term sustainability. Learn more about the pause and how you can support the PSF’s future in our blog post. If you have submitted an application and have yet to receive a decision, you will receive an email from us soon. Thank you ...

  • 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 ...

  • 2009-09-14 PSF Board Meeting Minutes

    2009-09-14 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors September 14, 2009 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 14 September 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" ...

  • 2009-11-09 PSF Board Meeting Minutes

    2009-11-09 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors November 9, 2009 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 17:00 UTC, 9 November 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" mean...

  • Release – Python 3.12.0

    Version: None

    Released: Oct. 2, 2023

    This is the stable release of Python 3.12.0 Python 3.12.0 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.12 series, compared to 3.11 New features More flexible f-string parsing, allowing many things previously disallowed …

    View Release Notes

  • Known bugs in Python 2.2

    Known bugs in Python 2.2 <h2>Known bugs in Python 2.2</h2> <h3>Real bugs</h3> <p>These are actual bugs, and we will make fixes available as soon as we have them. (There may be other bugs that aren't generally worth knowing about; search the <a href="http://sourceforge.net/bugs/?group_id=5470">SourceForge bug tracker</a>; you can also use that to report new bugs you find, of course.) <ul> <p><li>The ftplib module's FTP class...

  • Fiscal Sponsorees

    Fiscal Sponsorees The Python Software Foundation promotes, protects, and advances the Python programming language and supports and facilitates the growth of a diverse and international community of Python programmers. Part of that mission includes acting as a fiscal sponsor to mission-related Python events, groups, and projects. The PSF provides 501(c)(3) tax-exempt status to fiscal sponsorees and manages back office issues like cash flow, accounting, budgeting, insurance, and contract/legal ...

  • 2009-06-08 PSF Board Meeting Minutes

    2009-06-08 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors June 8, 2009 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Internet Relay Chat beginning at 16:00 UTC, 8 June 2009. Steve Holden presided at the meeting. Pat Campbell and David Goodger prepared the minutes. All votes are reported in the form "Y-N-A" (in favor — opposed — abstentions; e.g. "5-1-2&...

  • Copy of PSF Bylaws Prior to March 2009 Members' Meeting

    ....3. Special Meetings. Special meetings of the members shall be held when directed by the Chairman, President or the Board of Directors, or when requested in writing by not less than ten percent (10%) of all members entitled to vote at the meeting. The call for the meeting shall be issued by the Secretary, unless the Chairman, President, Board of Directors or members requesting the meeting shall designate another person to do so. Section 3.4. Notice. Written notice stating the place, date and ...

  • PSF Officers & Board Members

    PSF Officers & Board Members Officers & Directors by Year 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 2024-2025 Officers President/Chair: Dawn Wages Vice Chair Elect: Chris Neugebauer Vice Chair: Tania Allard Executive Director: Deb Nicholson Secretary: Deb Nicholson Assistant Secretaries: Olivia Sauls Treasurer: Georgi Ker PyCo...

  • Release – Python 3.12.0b1

    Version: None

    Released: May 22, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b1 is the first of four beta release previews of 3.12. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their …

Python language documentation

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