Notice: This page displays a fallback because interactive scripts did not run. Possible causes include disabled JavaScript or failure to load scripts or stylesheets.
Python 3.4.0 Python 3.4.0 Note: Python 3.4.0 has been superseded by Python 3.4.9. Python 3.4.0 was released on March 16th, 2014. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improvements and bug fixes. Among the new major new features and changes in the 3.4 release series are PEP 428, a "pathlib" module providing object-oriented filesystem paths PEP 435, a standardized "enum&q...
Unifying types and classes in Python 2.2 Python Version: 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 Properties: attributes defined by get/set methods Method resolution ord...
Python Patterns - An Optimization Anecdote Warning This page stays here for historical reasons and it may contain outdated or incorrect information.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 ...
Known bugs in Python 2.2.1 <h2>Known bugs in Python 2.2.1</h2> <p>This page now exists only to clarify incompatibilities between Python version 2.2[.x] and versions before 2.2. <h3>Incompatibilities between Python 2.1[.x] and Python 2.2[.x]</h3> <p>The following visible differences between Python 2.2 and previous versions are intentional. <ul> <p><li>Not everything is listed here; for the full list see the <a href="http://cvs.source...
Incompatibilities between Python 2.1[.x] and 2.2[.x] <h3>Incompatibilities between Python 2.1[.x] and Python 2.2[.x]</h3> <p>The following visible differences between Python 2.2 and previous versions are intentional. <ul> <p><li>Not listed here are various deprecated 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 th...
Unifying types and classes in 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 metho...
Unifying types and classes in 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 metho...
Unifying types and classes in 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 met...
Version: None
Released: April 20, 2015
Python 3.5.0a4 Python 3.5 has reached end-of-life. Python 3.5.10, the final release of the 3.5 series, is available here. Python 3.5.0a4 was released on April 20th, 2015. Major new features of the 3.5 series, compared to 3.4 Python 3.5 is still in development, …
View Release Notes
Released: Dec. 7, 2015
Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.4rc1 was released on December 6th, 2015. Python 3.4.4rc1 has many bugfixes and other small improvements over 3.4.3. Major new features of the 3.4 series, compared to …
Released: Dec. 21, 2015
Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.4 was released on December 6th, 2015. Python 3.4.4 has many bugfixes and other small improvements over 3.4.3. Major new features of the 3.4 series, compared to …
Released: June 13, 2016
Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.5rc1 was released on June 12th, 2016. Python 3.4 has now entered "security fixes only" mode, and as such the only improvements between Python 3.4.4 and Python 3.4.5rc1 are …
Released: March 18, 2019
Python 3.4 has reached end-of-life. Python 3.4.10 is the final release of 3.4. Python 3.4.10 was released on March 18th, 2019. Python 3.4.10 is the final release in the Python 3.4 series. As of this release, the 3.4 branch has been retired, no further changes to 3.4 will …
Python 3.4.1 Python 3.4.1 Note: Python 3.4.1 has been superseded by Python 3.4.9. Python 3.4.1 was released on May 18th, 2014. Python 3.4.1 has over three hundred bugfixes and other improvements over 3.4.0. One notable change: the version of OpenSSL bundled with the Windows installer no longer has the "HeartBleed" vulnerability. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improveme...
Python 3.4.2 Python 3.4.2 Note: Python 3.4.2 has been superseded by Python 3.4.9. Python 3.4.2 was released on October 8th, 2014. Python 3.4.2 has many bugfixes and other small improvements over 3.4.1. One new feature for Mac OS X users: the OS X installers are now distributed as signed installer package files compatible with the OS X Gatekeeper security feature. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hu...
Python 3.4.5 Python 3.4.5 Note: Python 3.4.5 has been superseded by Python 3.4.9. Python 3.4.5 was released on June 26th, 2016. Python 3.4.5 is now in "security fixes mode". The only changes added since Python 3.4.4 are security fixes. Major new features of the 3.4 series, compared to 3.3 Python 3.4 includes a range of improvements of the 3.x series, including hundreds of small improvements and bug fixes. Among the new major new features and changes in the 3.4 release series are ...
[PYTHON MATRIX-SIG] FAQ Here's my first step at creating a FAQ for this project. If anybodyelse wants to take it up, please feel free. This is going to be veryfree form, off the top of my head and unedited. Still, I anticipatethat it will be useful. Occaionally I will steal text entirely fromother people on the SIG without any attribution. I'll try to fix thislater. Written by Jim Hugunin (hugunin@mit.edu) on April 25, 1996. 1) What's Numerical Python? Here should really go...
Released: May 5, 2014
Python 3.4.1rc1 Python 3.4 has reached end-of-life. Python 3.4.10, the final release of the 3.4 series, is available here. Python 3.4.1 was released on May 18th, 2014. Python 3.4.1 has over three hundred bugfixes and other improvements over 3.4.0. One notable change: the version …
Released: Sept. 6, 2017
This is a security-fix source-only release. The last binary release was 3.3.5. This is the release candidate of Python 3.3.7. Python 3.3.0 was released on 2012-09-29 and has been in security-fix-only mode since 2014-03-08. Per Python Development policy, all support for the 3.3 series of releases ends on …
Released: Sept. 19, 2017
Python 3.3.x has reached end-of-life. This is its final release. It is a security-fix source-only release. Python 3.3.0 was released on 2012-09-29 and has been in security-fix-only mode since 2014-03-08. Per Python Development policy, all support for the 3.3 series of releases ended on 2017-09-29, five years after …
If you didn't find what you need, try your search in the Python language documentation.