Notice: While JavaScript is not essential for this website, your interaction with the content will be limited. Please turn JavaScript on for the full experience.
Python Patterns - An Optimization Anecdote Warning This page stays here for historical reasons and it may contain outdated or incorrect information. The other day, a friend asked me a seemingly simple question: what's the best way to convert a list of integers into a string, presuming that the integers are ASCII values. For instance, the list [97, 98, 99] should be converted to the string 'abc'. Let's assume we want to write a function to do this. The first version I came ...
2012-08-08 PSF Board Meeting Minutes The Python Software Foundation Minutes of a Regular Meeting of the Board of Directors August 8, 2012 A regular meeting of the Python Software Foundation ("PSF") Board of Directors was held over Group Conference Call via phone and Internet Relay Chat beginning at 18:00 CEST/ 12:00 EDT, on August 8 2012. Van Lindberg presided over the meeting. Ewa Jodlowska prepared the minutes. All votes are reported in the form "Y-N-A" (in favor=Y‚op...
In 2004, the PSF selected three grant proposals to fund. One of them, "Moving Jython Forward", was only partially completed by Brian Zimmer due to a job change. Some time later, Frank Wierzbicki offered to take over maintenance of the Jython project, but he found that he had under-estimated the amount of work necessary when taking over the proposal from Brian, and he did not make as much progress as he had wanted to. Martin von Löwis, the Grants Committee chair, has since discuss...
Built-in Package Support in Python 1.5 Built-in Package Support in Python 1.5 Starting with Python version 1.5a4, package support is built into the Python interpreter. This implements a slightly simplified and modified version of the package import semantics pioneered by the "ni" module. "Package import" is a method to structure Python's module namespace by using "dotted module names". For example, the module name A.B designates a submodule named B in a package named A. Just like...
Python for Windows Python for Microsoft Windows (XP and later releases) Python releases include an excellent Windows installer. See the individual releases for details. You may also wish to download pywin32, Mark Hammond's add-on that includes the Win32 API, COM support, and Pythonwin extensions. It's available from the pywin32 project on SourceForge. Alternative Packages for Windows. ActiveState ActivePython (commercial and community versions, including scientific computing modules). Ac...
Python Software Foundation GitHub Organization Purpose The Python Software Foundation exists to promote, protect, and advance the Python programming language, to fulfill that mission we have created a GitHub organization, @psf, to support and protect projects that have outgrown ownership by their original author. What is offered Repositories may be transferred to the @psf organization under the following criteria: The repository is relevant to the Python ecosystem at large and has broad inter...
Location: Remote USA
Telecommuting: Yes
We’re looking for a Senior Python Developer to join our engineering team and help build the back-end infrastructure powering Basalt’s clinical and operational platforms. This is a senior-level role for a developer who thrives in fast-paced environments, understands the unique challenges of healthcare data, and is passionate about building secure, …
Version: None
Released: March 18, 2010
Python 2.6.5 was a maintenance release for Python 2.6.4, fixing dozens of issues in the core, builtin modules, libraries, and documentation. Python 2.6.5 final was released on March 19, 2010. Python 2.6 is now in bugfix-only mode; no new features are being added. The NEWS file …
View Release Notes
Released: Oct. 2, 2009
Python 2.6.3 was released on October 2, 2009. Python 2.6 is now in bugfix-only mode; no new features are being added. Somewhere near 100 bugs have been fixed since the release of Python 2.6.2. The NEWS file lists every change in each alpha, beta, and release candidate …
Released: Oct. 26, 2009
Python 2.6.4 was a critical bug fix for Python 2.6.3, which had regressions in the logging package and in setuptools compatibility. Python 2.6.4 was released on 25-Oct-2009. Python 2.6 is now in bugfix-only mode; no new features are being added. The NEWS file lists every change …
Released: Oct. 12, 2014
This is a security-fix source-only release. The last binary release was 3.2.5. With the 3.2.6 release, and five years after its first release, the Python 3.2 series is now officially retired. All official maintenance for Python 3.2, including security patches, has ended. For ongoing maintenance releases, please see the …
Released: April 9, 2024
This is an early developer preview of Python 3.13 Major new features of the 3.13 series, compared to 3.12 Python 3.13 is still in development. This release, 3.13.0a6, is the sixth and last planned alpha release. Alpha releases are intended to make it easier to test the current state of …
Python for Mac OS X Python for Mac OS X Python comes pre-installed on Mac OS X so it is easy to start using. However, to take advantage of the latest versions of Python, you will need to download and install newer versions alongside the system ones. The easiest way to do that is to install one of the binary installers for OS X from the Python Download page. Installers are available for the latest Python 3 and Python 2 releases that will work on all Macs that run Mac OS X 10.5 and later. Py...
Released: July 3, 2010
Note: A bugfix release, 2.7.13, is currently available. Its use is recommended. Python 2.7.0 was released on July 3rd, 2010. Python 2.7 is scheduled to be the last major version in the 2.x series before it moves into an extended maintenance period. This release contains many of the features …
Released: May 31, 2022
This is a beta preview of Python 3.11 Python 3.11 is still in development. 3.11.0b2 is the second 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 2.3 Python 2.3 Note: See Python 2.3.5 for a patch release release which supersedes earlier releases of 2.3. 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 2.3, there's a patch available from the security advisory page. Important: 2.3....
Python 2.7.0 Release Python 2.7.0 Note: A bugfix release, 2.7.16, is currently available. Its use is recommended. Python 2.7.0 was released on July 3rd, 2010. Python 2.7 is scheduled to be the last major version in the 2.x series before it moves into an extended maintenance period. This release contains many of the features that were first released in Python 3.1. Improvements in this release include: An ordered dictionary type New unittest features including test skipping, new assert metho...
Released: Sept. 18, 2025
It's 🪄 finally 🪄 the final 3.14 release candidate! Note: It's another magic release. We fixed another bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means file .pyc files created for rc2 cannot be used for rc3, and they'll be recompiled. The …
Computer Programming for Everybody Computer Programming for Everybody This is the main text of a funding proposal that we sent to DARPA in January 1999. In August 1999, we submitted a revised version of the proposal. Please look at the EDU-SIG home page (Python in Education Special Interest Group). This is where the current project status is described and/or will be discussed, and where you'll find pointers to more resources. Note:I have made one change to the text of the propos...
Page Not Found The URL you requested was not found on this server. Try our home page, or our search engines - or use one of the other links on the left hand navigation.
If you didn't find what you need, try your search in the Python language documentation.