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  • Release – Python 3.7.0b5

    Version: None

    Released: May 30, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b5, is now the final planned beta release preview. Originally, 3.7.0b4 was intended to be the final beta but, due to some unexpected compatibility issues discovered during beta testing of third-party packages, …

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  • Notes

    ...Python does not assume that == is the Boolean inverse of !=, or that < is the Boolean inverse of >=. This makes it possible to define types with partial orderings. Classes or types that want to implement (in)equality tests but not the ordering operators (i.e. unordered types) should implement == and !=, and raise an error for the ordering operators. It is possible to define types whose rich comparison results are not Boolean; e.g. a matrix type might want to return a matrix of bits for A ...

  • Donation Drive

    ...= function() { document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false ); onReady(); }; } else if ( document.attachEvent ) { DOMContentLoaded = function() { // Make sure body exists, at least, in case IE gets a little overzealous if ( document.readyState === "complete" ) { document.detachEvent( "onreadystatechange", DOMContentLoaded ); onReady(); } }; } if ( document.readyState === "complet...

  • Grants - Frequently Asked Questions

    ...Python User Group (PUG) website hosting costs? A. The Python Software Foundation (PSF) covers website hosting costs for approved fiscal sponsored Python User Groups or events. If you are developing a hosting or event advertising plan for your PUG, please research the following open source options before applying for a grant: Oregon State University's Open Source Lab (OSU OSL) hosting services: the PSF has a partnership with OSU OSL for website and server hosting for free or discounted for open ...

  • Release – Python 3.6.6

    Version: None

    Released: June 27, 2018

    Note: The release you are looking at is Python 3.6.6, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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  • Release – Python 3.6.7

    Version: None

    Released: Oct. 20, 2018

    Note: The release you are looking at is Python 3.6.7, a bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 and …

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  • Release – Python 3.6.8

    Version: None

    Released: Dec. 24, 2018

    Note: The release you are looking at is Python 3.6.8, the final bugfix release for the legacy 3.6 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.6 was 3.6.15 …

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  • Release – Python 3.7.2

    Version: None

    Released: Dec. 24, 2018

    Note: The release you are looking at is a bugfix release for the legacy 3.7 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.7 was 3.7.17. Among the …

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  • Python Success Stories

    ...Python is fast and easy. Python's native OO approach -- something that was not available in our older integration languages -- made it easy to create reusable code with minimal effort. This project has shown the great power of Python and open source tools in general. About the Author Tom Olexa is an ICT consultant at TEMPEST, Slovakia.

  • Python 2.6.8 license

    ...Python core development team moved to BeOpen.com to form the BeOpen PythonLabs team. In October of the same year, the PythonLabs team moved to Digital Creations (now Zope Corporation; see http://www.zope.com/). In 2001, the Python Software Foundation (PSF, see http://www.python.org/psf/) was formed, a non-profit organization created specifically to own Python-related Intellectual Property. Zope Corporation is a sponsoring member of the PSF. All Python releases are Open Source (see http...

  • Python 2.6.9 license

    ...Python core development team moved to BeOpen.com to form the BeOpen PythonLabs team. In October of the same year, the PythonLabs team moved to Digital Creations (now Zope Corporation; see http://www.zope.com/). In 2001, the Python Software Foundation (PSF, see http://www.python.org/psf/) was formed, a non-profit organization created specifically to own Python-related Intellectual Property. Zope Corporation is a sponsoring member of the PSF. All Python releases are Open Source (see http...

  • Python Success Stories

    ...= 238,464 Development Effort Estimate, Person-Years (Person-Months) = 62.71 (752.50) (Basic COCOMO model, Person-Months = 2.4 * (KSLOC**1.05)) Schedule Estimate, Years (Months) = 2.58 (30.98) (Basic COCOMO model, Months = 2.5 * (person-months**0.38)) Estimated Average Number of Developers (Effort/Schedule) = 24.29 Total Estimated Cost to Develop = $ 8,471,018 (average salary = $56,286/year, overhead = 2.40). SLOCCount, Copyright (C) 2001...

  • Release – Python 3.7.9

    Version: None

    Released: Aug. 17, 2020

    Note: The release you are looking at is Python 3.7.9, the final bugfix/security release with binary installers for the legacy 3.7 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for …

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  • Python 2.4.4 Documentation

    ...Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comments or suggestions for the Python documentation, please send email to <docs@python.org>.

  • Python 2.5 Documentation

    ...Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comments or suggestions for the Python documentation, please send email to <docs@python.org>.

  • Python 2.5.2 Documentation

    ...Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comments or suggestions for the Python documentation, please send email to <docs@python.org>.

  • Python 2.5.3 Documentation

    ...Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comments or suggestions for the Python documentation, please send email to <docs@python.org>.

  • Python 2.5.4 Documentation

    ...Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comments or suggestions for the Python documentation, please send email to <docs@python.org>.

  • Plot-SIG - SIG on Data Plotting Solutions for Python

    ...Python SIG on Data Plotting Solutions for Python This sig has been retired. New postings to the mailing list will be rejected, but the archives of the old list are still available for perusal. See the SIGs home page for info about active and inactive lists. The purpose of this list is to develop, coddle together, adopt or otherwise make available Python tools for plotting of scientific and business plots of data. Topic Issues Archives

  • Python Software Foundation: Minutes of Board of Directors Meeting (April 8, 2003)

    Python Software Foundation: Minutes of Board of Directors Meeting (April 8, 2003) The Python Software Foundation Minutes of Regular Meeting of the Board of Directors April 8, 2003 A regular meeting of the Python Software Foundation (the "PSF") Board of Directors was held over Internet Relay Chat at 17:05 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 at the...

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