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  • Release – Python 3.10.0b3

    Version: None

    Released: June 17, 2021

    This is a beta preview of Python 3.10 Python 3.10 is still in development. 3.10.0b3 is the third of four planned beta release previews. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support …

  • Python 2.4.3 Release

    ...adds a number of Windows-specific extensions to Python, including COM support and the Pythonwin IDE. MacOS X For MacOS X 10.3 and later: Universal-MacPython-2.4.3-2006-04-07.dmg. The Universal MacPython 2.4.3 image contains an installer for python 2.4.3 that works on Mac OS X 10.3.9 and later, on both PPC and Intel Macs. The compiled libraries include both bsddb and readline. Other platforms gzip-compressed source code: python-2.4.3.tgz bzip2-compressed source code: python-2.4.3.tar.bz2,...

  • Unifying types and classes in Python 2.2

    ...Python 2.2 Unifying types and classes in Python 2.2 Python Version: 2.2.2 (For a newer version of this tutorial, see Python 2.2.3) Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Change Log Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static methods and class methods Proper...

  • Unifying types and classes in Python 2.2

    ...Python ever, and yet it can be done with very few backwards incompatibilities. The changes are described in minute detail in a series of PEPs (Python Enhancement Proposals). PEPs are not designed to be tutorials, and the PEPs describing the type/class unification are sometimes hard to read. They also aren't finished yet. That's where this paper comes in: it introduces the key elements of the type/class unification for the average Python programmer. A bit of terminology: "classic Pyt...

  • Unifying types and classes in Python 2.2

    ...Python 2.2 Unifying types and classes in Python 2.2 Python Version: 2.2.1 (For a newer version of this tutorial, see Python 2.2.3) Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Change Log Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static methods and class methods Proper...

  • Unifying types and classes in Python 2.2

    ...Python 2.2 Unifying types and classes in Python 2.2 Python Version: 2.2 (For a newer version of this tutorial, see Python 2.2.3) Guido van Rossum This paper is an incomplete draft. I am soliciting feedback. If you find any problems, please write me at guido@python.org. Table of Contents Introduction Subclassing built-in types Built-in types as factory functions Introspecting instances of built-in types Static methods and class methods Properties: attributes...

  • Release – Python 3.10.0a6

    Version: None

    Released: March 1, 2021

    This is an early developer preview of Python 3.10 Major new features of the 3.10 series, compared to 3.9 Python 3.10 is still in development. This release, 3.10.0a6 is the sixth of seven planned alpha releases. Alpha releases are intended to make it easier to test the current state of …

  • Release – Python 3.6.5rc1

    Version: None

    Released: March 13, 2018

    Python 3.6.5rc1 is a release candidate preview of the fifth maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Among the new major new features in Python 3.6 are: PEP 468, Preserving Keyword Argument Order PEP 487, Simpler customization of class creation …

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  • Release – Python 3.6.6rc1

    Version: None

    Released: June 12, 2018

    Python 3.6.6rc1 is a release candidate preview of the sixth maintenance release of Python 3.6. The Python 3.6 series contains many new features and optimizations. Among the new major new features in Python 3.6 are: PEP 468, Preserving Keyword Argument Order PEP 487, Simpler customization of class creation …

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  • Release – Python 3.12.12

    Version: None

    Released: Oct. 9, 2025

    This is a security release of Python 3.12 Note: The release you're looking at is Python 3.12.12, a security bugfix release for the legacy 3.12 series. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Security content in this …

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  • Release – Python 3.9.4

    Version: None

    Released: April 4, 2021

    This is the fourth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.4, 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. Python 3.9.4 is a …

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  • Release – Python 3.8.9

    Version: None

    Released: April 2, 2021

    This is the ninth maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.9, 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 3.11.x here. 3.8.9 is an expedited …

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  • Release – Python 3.8.2

    Version: None

    Released: Feb. 24, 2020

    This is the second maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.2, 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 3.11.x here. Major new features of …

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  • Python 2.5.3 Release

    Python 2.5.3 Release Python 2.5.3 Python 2.5.3 has been replaced by a newer bugfix release of Python. Please download Python 2.5.6 instead. Python 2.5.3 was released on December 19th, 2008. This is the last bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, about 80 bugs and patches have been addressed since Python 2.5.2, many of them improving the stability of the interpreter, and improving its portability. F...

  • Python 2.5.1 Release

    Python 2.5.1 Release Python 2.5.1 Python 2.5.1 has been replaced by a newer bugfix release of Python. Please download Python 2.5.6 instead. Python 2.5.1 was released on April 18th, 2007. This is the first bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 150 bugs and patches have been squished since Python 2.5, including a fair number in the new AST compiler (an internal implementation detail of the Pyth...

  • Release – Python 2.5.1

    Version: None

    Released: April 19, 2007

    Python 2.5.1 was released on April 18th, 2007. This is the first bugfix release of Python 2.5. Python 2.5 is now in bugfix-only mode; no new features are being added. According to the release notes, over 150 bugs and patches have been squished since Python 2.5, including …

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  • Python 2.4.4 Release

    Python 2.4.4 Release Python 2.4.4 We are pleased to announce the release of Python 2.4.4 (FINAL), a bugfix release of Python 2.4, on October 18, 2006. Important: 2.4.4 includes a security fix (PSF-2006-001) for the repr() of unicode strings in wide unicode builds (UCS-4) Python 2.4 is now in bugfix-only mode; no new features are being added. At least 80 bugs have been squished since Python 2.4.3, including a number of bugs and potential bugs found by with the Coverity and Klocwork static an...

  • Release – Python 2.4.4

    Version: None

    Released: Oct. 18, 2006

    Python 2.4 is now in bugfix-only mode; no new features are being added. At least 80 bugs have been squished since Python 2.4.3, including a number of bugs and potential bugs found by with the Coverity and …

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  • Release – Python 2.4.3

    Version: None

    Released: April 15, 2006

    We are pleased to announce the release of …

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  • Release – Python 3.6.5

    Version: None

    Released: March 28, 2018

    Note: The release you are looking at is Python 3.6.5, 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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