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  • Software Bill-of-Materials Information

    Software Bill-of-Materials Information Information on CPython release artifacts Software Bills-of-Material (SBOMs) Background Starting with the Python 3.12.2 release, CPython release artifacts include Software Bill-of-Materials (SBOM) documents. This page provides guidance on downloading and using Software Bill-of-Materials documents describing CPython release artifacts. Currently SBOM documents are only available for source code releases. What is a Software Bill-of-Materials (SBOM)? Software B...

  • Software Bill-of-Materials Information

    Software Bill-of-Materials Information Information on CPython release artifacts Software Bills-of-Material (SBOMs) Background Starting with the Python 3.12.2 release, CPython release artifacts include Software Bill-of-Materials (SBOM) documents. This page provides guidance on downloading and using Software Bill-of-Materials documents describing CPython release artifacts. Currently SBOM documents are only available for source code releases. What is a Software Bill-of-Materials (SBOM)? Software B...

  • Release – Python 2.4.0

    Version: None

    Released: Nov. 30, 2004

    We are pleased to announce the release of Python 2.4, final on November 30, 2004. This is a final, stable release, and we can recommend that Python users upgrade to this version. Important: This release is vulnerable to the problem described in …

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  • Python 2.4

    ...packages (such as Word and Office) also include MSI, so you may already have it on your system. If not, you can download it freely from Microsoft for Windows 95, 98 and Me and for Windows NT 4.0 and 2000. Windows XP and later already have MSI; many older machines will already have MSI installed. The new format installer allows for automated installation and many other shiny new features. There is also a separate installer python-2.4.ia64.msi for Win64-Itanium users. Windows users may also be ...

  • Highlights: Python 2.4

    ...packages a new subprocess module for spawning processes in a platform-independent way (see PEP 324) decimal - a new numeric type that allows for the accurate representation of floating point numbers (avoiding the problems of binary floating point) (PEP 327) os.urandom() has been added for systems that support a source of random data (entropy) The mpz, rotor and xreadlines modules have been removed. The difflib module now includes an HtmlDiff class that creates an HTML table showing a side by s...

  • Release – Python 3.8.2rc2

    Version: None

    Released: Feb. 17, 2020

    This is the second release candidate of Python 3.8.2, the second maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.2rc2, a bugfix release for the legacy 3.8 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of …

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  • Applications for Python

    ...packages for mathematics, science, and engineering. Pandas is a data analysis and modeling library. IPython is a powerful interactive shell that features easy editing and recording of a work session, and supports visualizations and parallel computing. The Software Carpentry Course teaches basic skills for scientific computing, running bootcamps and providing open-access teaching materials. Education Python is a superb language for teaching programming, both at the introductory level and in mo...

  • Python 1.6.1

    ...packages much simpler. There's now special syntax that you can use instead of the apply() function. f(*args, **kwds) is equivalent to apply(f, args, kwds). You can also use variations f(a1, a2, *args, **kwds) and you can leave one or the other out: f(*args), f(**kwds). The built-ins int() and long() take an optional second argument to indicate the conversion base -- of course only if the first argument is a string. This makes string.atoi() and string.atol() obsolete. (string.atof() was already...

  • Release – Python 2.2.2

    Version: None

    Released: Oct. 14, 2002

    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 2.2, there's a patch available from the …

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  • Python 2.2.2

    ...packages are available directly from the Debian project, under interpreters (new releases initially appear in unstable). Macintosh users can find binaries and source on Jack Jansen's MacPython page. (MacOS X users who have a C compiler can also build from the source tarball below.) All others should download Python-2.2.2.tgz, the source tarball, and do the usual "gunzip; tar; configure; make" dance. What's New? This being a bug-fix release, there have been no exciting new fe...

  • 👋 Hey Community Members!

    👋 Hey Community Members! More than 20 ways to get involved & stay informed! Watch any of these talks given about the PSF (most recent one is about PyPI presented by Ee, our Director of Infrastructure!) Want to financially support the PSF? Donate! Read our blog Sign up to receive our quarterly newsletter Follow us on Twitter or Mastodon Become a Basic member If you are already a Basic member, consider becoming a Contributing, Managing, and/or Supporting member. If you want to be a PSF Boar...

  • Python Documentation Index

    Python Documentation Index Python Essays In this directory I place short essays (anything from 500 to 5000 words) on various Python subjects. See also a collection of presentations I have given. See also my blog at blogspot.com and my previous blog at artima.com. --Guido van Rossum Table of contents (in mostly chronological order) Unifying types and classes in Python 2.2 (See below) Foreword for "Programming Python" (1st ed.) Written in 1996, this gives an overview of the earl...

  • What's new in Python 2.3

    ...packages Many new doctest extensions from Jim Fulton, which among other enhancements, allows doctests to be run by unittests. csv - support for reading and writing files in so-called comma-separated-value format. (New in 2.3b1.) timeit - module to time the speed of code snippets. (New in 2.3b1.) platform - find out everything you always wanted to know about your platform, but were afraid to ask. (New in 2.3b1; by Marc-Andre Lemburg.) shelve - optionally supports automatic writeback, and ...

  • What is Python? Executive Summary

    ...packages, which encourages program modularity and code reuse. The Python interpreter and the extensive standard library are available in source or binary form without charge for all major platforms, and can be freely distributed. Often, programmers fall in love with Python because of the increased productivity it provides. Since there is no compilation step, the edit-test-debug cycle is incredibly fast. Debugging Python programs is easy: a bug or bad input will never cause a segmentat...

  • Release – Python 3.3.6rc1

    Version: None

    Released: Oct. 4, 2014

    This is a security-fix source-only release. The last binary release was 3.3.5. The list of fixed security related issues can be found in the NEWS file. Major new features of the 3.3 series, compared to 3.2 Python 3.3 includes a range of improvements of the 3.x series, as …

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  • Release – Python 3.3.6

    Version: None

    Released: Oct. 12, 2014

    Python 3.3.x has reached end-of-life. Python 3.3.7, the final security-fix release, is available here. This is a security-fix source-only release. The list of fixed security related issues can be found in the NEWS file. Major new features of the 3.3 series, compared to 3.2 Python 3.3 includes a …

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  • Release – Python 3.5.0rc2

    Version: None

    Released: Aug. 25, 2015

    Python 3.5.0rc2 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0rc2 was released on August 25th, 2015. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series …

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  • Release – Python 3.5.0rc3

    Version: None

    Released: Sept. 8, 2015

    Python 3.5.0rc3 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0rc3 was released on September 7th, 2015. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series …

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  • Release – Python 3.5.0rc4

    Version: None

    Released: Sept. 9, 2015

    Python 3.5.0rc4 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0rc4 was released on September 9th, 2015. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series …

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  • Release – Python 3.5.1rc1

    Version: None

    Released: Nov. 23, 2015

    Python 3.5.1rc1 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.1rc1 was released on November 22th, 2015. Major new features of the 3.5 series, compared to 3.4 Among the new major new features and changes in the 3.5 release series …

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