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  • Towards a Standard Parser Generator

    ...Python from bison code, the parser was not thread safe. It should be noted that some of these problems have been resolved with the 0.11.1 release of 4Suite. When analysing parser generators, the following absolute requirements where defined: The generated parsers should allow semantic actions in Python. This requirement is obvious, since it would not be a Python parser generator otherwise. It was no requirement that the generator itself is a Python program. ...

  • Release – Python 3.15.0a1

    Version: None

    Released: Oct. 14, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a1 is the first of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Release – Python 3.15.0a2

    Version: None

    Released: Nov. 19, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a2, is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Release – Python 3.15.0a3

    Version: None

    Released: Dec. 16, 2025

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a3, is the third of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Python Success Stories

    ...Python: Automatically calculate image sizes? The Python Imaging Library does this with ease. Parse XML files? There are several XML parsers available in Python. Load and store XML to and from databases? The Python DB-API is standardized and modules exist for MySQL, Postgres, Interbase, Oracle, ODBC, Sybase, and others. Fetch XML from the web? Python's urlparse and urllib standard libraries were made for that. Handle Unicode? Python 2.0 fully supports Unicode out of the box. Implementing th...

  • Release – Python 3.11.6

    Version: None

    Released: Oct. 2, 2023

    This is the sixth maintenance release of Python 3.11 Python 3.11.6 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.11 series, compared to 3.10 Some of the new major new features …

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  • Python 1.6.1

    ...Python 1.5.x cannot be used with Python 1.6; these extensions will have to be rebuilt for Python 1.6. On Windows, attempting to import a third party extension built for Python 1.5.x results in an immediate crash; there's not much we can do about this. Check your PYTHONPATH environment variable! Overview of Changes since 1.5.2 For this overview, I have borrowed from the document "What's New in Python 2.0" by Andrew Kuchling and Moshe Zadka: http://starship.python.net/crew/amk/python/...

  • Release – Python 3.5.0a1

    Version: None

    Released: Feb. 8, 2015

    Python 3.5.0a1 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0a1 was released on February 8th, 2015. Major new features of the 3.5 series, compared to 3.4 Python 3.5 is still in development, …

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  • Release – Python 3.9.1

    Version: None

    Released: Dec. 7, 2020

    This is the first maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.1, a bugfix release for the legacy 3.9 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. We've made …

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  • Release – Python 3.11.0a2

    Version: None

    Released: Nov. 5, 2021

    This is an early developer preview of Python 3.11 Major new features of the 3.11 series, compared to 3.10 Python 3.11 is still in development. This release, 3.11.0a2 is the second of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Release – Python 3.11.0a5

    Version: None

    Released: Feb. 3, 2022

    This is an early developer preview of Python 3.11 Major new features of the 3.11 series, compared to 3.10 Python 3.11 is still in development. This release, 3.11.0a5 is the fifth of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

  • Donation Drive

    ...Python Interview by Mike Driscoll, published by Packt (1) Copy of Two Scoops of Django 1.11, by Daniel Roy Greenfeld and Audrey Roy Greenfeld . What does the Python Software Foundation do? The PSF holds and protects the trademarks behind the Python programming language.  We awarded over 220 grants worldwide in 2017 thanks to the revenue generated through PyCon (40 more than in 2016) amounting to more than $257,000.  We support the python.org website and the Python Package Index...

  • Linux RPMs for Python 2.2.2

    ...python.org tar-file. These RPMs are meant to more closely match the standard Python provided by Red Hat. <li /><a href="/ftp/python/2.2.2/rpms/redhat8.0/python-2.2.2-7.src.rpm">python-2.2.2-7.src.rpm</a> (Source RPM, 6952435 bytes) <li /><a href="/ftp/python/2.2.2/rpms/redhat8.0/python-2.2.2-7.i386.rpm">python-2.2.2-7.i386.rpm</a> (Red Hat 8.0 base RPM, 4221481 bytes) <li /><a href="/ftp/python/2.2.2/rpms/redhat8.0/python-de...

  • Release – Python 3.9.0a5

    Version: None

    Released: March 23, 2020

    This is an early developer preview of Python 3.9 Python 3.9 is still in development. This release, 3.9.0a5 is the fifth of six planned alpha releases. Alpha releases are intended to make it easier to test the current state of new features and bug fixes and to test the …

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  • Python 1.6 License FAQ

    Python 1.6 License FAQ Python 1.6 License FAQ This FAQ addresses questions concerning the CNRI Open Source License and its impact on past and future Python releases. The text below has been approved for posting on the Python website and newsgroup by CNRI's president, Dr. Robert E. Kahn. The old Python license from CWI worked well for almost 10 years. Why a new license for Python 1.6? CNRI claims copyright in Python code and documentation from releases 1.3 through 1.6 inc...

  • Python 1.6 License FAQ

    Python 1.6 License FAQ Python 1.6 License FAQ This FAQ addresses questions concerning the CNRI Open Source License and its impact on past and future Python releases. The text below has been approved for posting on the Python website and newsgroup by CNRI's president, Dr. Robert E. Kahn. The old Python license from CWI worked well for almost 10 years. Why a new license for Python 1.6? CNRI claims copyright in Python code and documentation from releases 1.3 through 1.6 inc...

  • Release – Python 3.15.0a5

    Version: None

    Released: Jan. 14, 2026

    Note: 3.15.0a4 was accidentally built against main from 2025-12-23 instead of 2026-01-13, so this 3.15.0a5 is an extra release correctly built against 2026-01-14. This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in …

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  • Release – Python 3.11.9

    Version: None

    Released: April 2, 2024

    This is the last bugfix release of the Python 3.11 series This is the ninth (and last) bugfix release of Python 3.11 Python 3.11.9 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of …

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  • 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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  • Release – Python 3.11.8

    Version: None

    Released: Feb. 6, 2024

    This is the eighth maintenance release of Python 3.11 Python 3.11.8 is the newest major release of the Python programming language, and it contains many new features and optimizations. Major new features of the 3.11 series, compared to 3.10 Some of the new major new features …

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