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  • Release – Python 3.9.8

    Version: None

    Released: Nov. 5, 2021

    This is the eighth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.8, 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. There's been 202 commits …

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  • Release – Python 3.9.9

    Version: None

    Released: Nov. 15, 2021

    This is the ninth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.9, an expedited 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. 3.9.9 was released …

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  • Release – Python 3.12.0b2

    Version: None

    Released: June 6, 2023

    This is a beta preview of Python 3.12 Python 3.12 is still in development. This release, 3.12.0b2 is the second 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 …

  • Release – Python 3.12.5

    Version: None

    Released: Aug. 6, 2024

    This is the fifth maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.5 is the latest maintenance release, containing more than 250 bugfixes, build improvements and documentation changes since 3.12.4. This version of …

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  • Help

    ...module or application? Try the Python Package Index to browse and search an extensive list of registered packages. Want to contribute? To report a bug in the Python core, use the Python Bug Tracker. To report a problem with this web site, use the pythondotorg issue tracker. To contribute a bug fix or other patch to the Python core, see the Python Developer's Guide. To contribute to the official Python documentation, use the Issue Tracker to contribute a documentation patch. See also the gu...

  • Python 2.1 Press Release

    ...modules and classes to include snippets of self-test code in their in-line documentation; and unittest, which supports the creation of separate test classes as recommended by Extreme Programming (XP). Unittest was previously known as PyUnit, a separate project by Steve Purcell. <p>Usability is dramatically improved by pydoc, a new documentation tool. Pydoc, created by Ka- Ping Yee, provides several ways to view the in-line documentation embedded in Python modules and classes. This flexible...

  • Python 2.1 Press Release

    ...modules and classes to include snippets of self-test code in their in-line documentation; and unittest, which supports the creation of separate test classes as recommended by Extreme Programming (XP). Unittest was previously known as PyUnit, a separate project by Steve Purcell. <p>Usability is dramatically improved by pydoc, a new documentation tool. Pydoc, created by Ka- Ping Yee, provides several ways to view the in-line documentation embedded in Python modules and classes. This flexible...

  • Python 2.1 Press Release

    ...modules and classes to include snippets of self-test code in their in-line documentation; and unittest, which supports the creation of separate test classes as recommended by Extreme Programming (XP). Unittest was previously known as PyUnit, a separate project by Steve Purcell. <p>Usability is dramatically improved by pydoc, a new documentation tool. Pydoc, created by Ka- Ping Yee, provides several ways to view the in-line documentation embedded in Python modules and classes. This flexible...

  • Release – Python 3.12.6

    Version: None

    Released: Sept. 6, 2024

    This is the sixth maintenance release of Python 3.12 Python 3.12 is the newest major release of the Python programming language, and it contains many new features and optimizations. 3.12.6 is the latest maintenance release, containing about 90 bugfixes, build improvements and documentation changes since 3.12.5. This is an expedited …

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  • Release – Python 3.13.0rc3

    Version: None

    Released: Oct. 1, 2024

    This is the third release candidate of Python 3.13.0 This release, 3.13.0rc3, is the final release preview (no really) of 3.13. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is now scheduled for Monday, 2024-10-07. This …

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  • SIG on Graphical User Interfaces for Python

    ...modules have been developed. While this speaks to the power of Python's extension capabilities, there is significant interest in defining a commonly available GUI system for Python that would facilitate the interchange of and cooperation on tools, such as software development environments, that require or benefit from GUI interfaces. Archives

  • Python Patterns - An Optimization Anecdote

    ...module's global dictionary, and then in the dictionary of built-in function (where it is found). Worse, unsuccessful dictionary lookups are (on average) a bit slower than successful ones, because of the way the hash chaining works. The second reason why f3() is faster than f1() is that the call to chr(item), as executed by the bytecode interpreter, is probably a bit slower than when executed by the map() function - the bytecode interpreter must execute three bytecode instructions...

  • Known bugs in Python 2.2.1

    ...modules and features that may issue warnings: the warnings shouldn't affect the correct execution of your program, and they can be disabled with a command line option or programmatically; see the documentation for the warnings module. <p><li>Also not listed are new constructs that used to be an error (e.g. "key in dict" is now a valid test where formerly it would always raise an exception). <p><li>The dir() function behaves differently than in Python 2.1 and bef...

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

    ...modules and features that may issue warnings: the warnings shouldn't affect the correct execution of your program, and they can be disabled with a command line option or programmatically; see the documentation for the warnings module. <p><li>Also not listed are new constructs that used to be an error (e.g. "key in dict" is now a valid test where formerly it would always raise an exception). <p><li>The dir() function behaves differently than in Python 2.1 and bef...

  • Catalog Requirements

    Catalog Requirements Catalog Requirements There are a few steps needed to find and install a package: Discovery : which module does what I need? Download : where can I get a copy? Security : is this actually from the package author, and not a Trojan horse? Installation : how do I compile the package, install it, and set it up? Updating : what's the latest version of a package? do I need to get an updated version for my system? The ...

  • Python Software Foundation: Press Release 8-Apr-2002

    ...modules May be compiled to Java byte code for use in any JVM String and regular expression processing Extensive XML and web services support HTTP, FTP, SMTP, POP, IMAP, NNTP, telnet, and other IP protocols HTML, MIME, base64, binhex, uuencode, and other internet data handling GUI development and multimedia services Unit testing, profiling, and documentation generation Restricted execution security option Available third party modules for database access, math, 3D modeling, image pro...

  • Release – Python 3.9.0

    Version: None

    Released: Oct. 5, 2020

    This is the stable release of Python 3.9.0 Note: The release you're looking at is Python 3.9.0, a legacy release. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Installer news This is the first version of Python to …

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  • Release – Python 3.9.2

    Version: None

    Released: Feb. 19, 2021

    This is the second maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.2, 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 166 commits …

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  • Release – Python 3.9.6

    Version: None

    Released: June 28, 2021

    This is the sixth maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.6, 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. There's been 146 commits …

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  • Release – Python 3.9.11

    Version: None

    Released: March 16, 2022

    This is the eleventh maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.11, 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. Security content in this …

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