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  • Release – Python 3.3.3

    Version: None

    Released: Nov. 17, 2013

    fixes several security issues and various other bugs found in Python 3.3.2. This release fully supports OS X 10.9 Mavericks. In particular, this release fixes an issue that could cause previous versions of Python to crash when typing in interactive mode on OS X 10.9. Major …

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  • Python Success Stories

    ...formats in as many source files, as well as adding getters and setters for the new property. There was no single authority in the code for the schema as a whole. Different aspects of the schema were represented in different ways in different files. We tried to simplify the mess using C++ macros. This worked to a degree, but was still difficult to manage. The schema representation was hampered by the simplistic nature of C++ macros, and the possibilities for expansion were extremely limited. The ...

  • What's new in Python 1.5 and beyond

    ...formation, see Built-in Package Support. The new "re" module (Perl style regular expressions) is here. It is based on Philip Hazel's pcre code; the Python interfaces were put together by Andrew Kuchling. The regex module is declared obsolete. In support of the re module, a new form of string literals is introduced, "raw strings": e.g. r"n" is equal to "\n". All standard exceptions and most exceptions defined in standard extension modules are now classes....

  • Python 3.3.0 Release

    ...formats for download: Bzipped source tar ball (3.3.0) (sig), ~ 14 MB XZ compressed source tar ball (3.3.0) (sig), ~ 11 MB Gzipped source tar ball (3.3.0) (sig), ~ 16 MB Windows x86 MSI Installer (3.3.0) (sig) and Visual Studio debug information files (sig) Windows X86-64 MSI Installer (3.3.0) [1] (sig) and Visual Studio debug information files (sig) Windows help file (sig) Mac OS X 64-bit/32-bit Installer (3.3.0) for Mac OS X 10.6 and later [2] (sig). [You may need an updated Tcl/Tk insta...

  • Python 3.3.1 Release

    ...formats for download: Bzipped source tar ball (3.3.1) (sig), ~ 14 MB XZ compressed source tar ball (3.3.1) (sig), ~ 11 MB Gzipped source tar ball (3.3.1) (sig), ~ 16 MB Windows x86 MSI Installer (3.3.1) (sig) and Visual Studio debug information files (sig) Windows X86-64 MSI Installer (3.3.1) [1] (sig) and Visual Studio debug information files (sig) Windows help file (sig) Mac OS X 64-bit/32-bit Installer (3.3.1) for Mac OS X 10.6 and later [2] (sig). [You may need an updated Tcl/Tk insta...

  • Python 3.3.2 Release

    ...formats for download: Bzipped source tar ball (3.3.2) (sig), ~ 14 MB XZ compressed source tar ball (3.3.2) (sig), ~ 11 MB Gzipped source tar ball (3.3.2) (sig), ~ 16 MB Windows x86 MSI Installer (3.3.2) (sig) and Visual Studio debug information files (sig) Windows X86-64 MSI Installer (3.3.2) [1] (sig) and Visual Studio debug information files (sig) Windows help file (sig) Mac OS X 64-bit/32-bit Installer (3.3.2) for Mac OS X 10.6 and later [2] (sig). [You may need an updated Tcl/Tk inst...

  • Python 3.3.3 Release

    ...formats for download: Bzipped source tar ball (3.3.3) (sig), ~ 14 MB XZ compressed source tar ball (3.3.3) (sig), ~ 11 MB Gzipped source tar ball (3.3.3) (sig), ~ 16 MB Windows x86 MSI Installer (3.3.3) (sig) and Visual Studio debug information files (sig) Windows X86-64 MSI Installer (3.3.3) [1] (sig) and Visual Studio debug information files (sig) Windows help file (sig) Mac OS X 64-bit/32-bit Installer (3.3.3) for Mac OS X 10.6 and later [2] (sig). [You may need an updated Tcl/Tk ins...

  • Python 3.3.4 Release

    ...formats for download: XZ compressed source tar ball (3.3.4) (sig), ~ 11 MB Gzipped source tar ball (3.3.4) (sig), ~ 16 MB Windows x86 MSI Installer (3.3.4) (sig) and Visual Studio debug information files (sig) Windows X86-64 MSI Installer (3.3.4) [1] (sig) and Visual Studio debug information files (sig) Windows help file (sig) Mac OS X 64-bit/32-bit Installer (3.3.4) for Mac OS X 10.6 and later [2] (sig). [You may need an updated Tcl/Tk install to run IDLE or use Tkinter, see note 2 for...

  • Notes

    ...formatting operator did not support '%F' as had been documented. Bug #775985: Only set stdout.encoding if a codec is available. Extension modules The _bsddb module now supports Berkeley DB 4.2. Bug #698282: Add __file__ to dynamic modules in multiple interpreters. Patch #798145: Return correct information from nl_langinfo(RADIXCHAR). Bug #797447: Correct confusing error message for unsupported locales. Patch #798534: fixed memory leak in os.popen(). Bug #793826: re-ordered the reference co...

  • Release – Python 3.13.16

    Version: None

    Released: Sept. 30, 2026

    This is the sixteenth maintenance release of Python 3.13 Note: This is Python 3.13.16, a maintenance release for Python 3.13. Python 3.14 is now the latest feature release series of Python 3. Get the latest release of 3.14.x here. Python 3.13.16 is the sixteenth maintenance release of …

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  • Python Success Stories

    ...formats that the data is allowed to take. Although some CRS's used by individual suppliers are more modern, they inherit many of the limitations of the GDS's as a result of their tight data-level integration with them. This is a problem when using these systems in the context of a web-based applications like Gusto.com. Also, GDS's are not relational systems and lack a query language like SQL, so queries are limited by the API provided by its developers. During the past 4 years our online process...

  • Release – Python 3.14.8

    Version: None

    Released: Sept. 30, 2026

    This is the eighth maintenance release of Python 3.14 Python 3.14.8 is an expedited security release and the eighth maintenance release of 3.14, containing around 354 bugfixes, build improvements and documentation changes from 142 contributors since 3.14.7. Security content in this release CVE-2026-19445 …

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  • Donation Drive

    Donation Drive ThePSF, Python Software Foundation, Python, PSF Invest in our Foundation and better the Python community! Thanks to everyone who helped us exceed our goal of $20,000.00 USD by May 12th! .crm-contribute-widget { font-size:12px; font-family:Helvetica, Arial, sans; padding:6px; -moz-border-radius: 4px; -webkit-border-radius: 4px; -khtml-border-radius: 4px; border-radius: 4px; bor...

  • Linux RPMs for Python 2.2.2

    ...formats, 1805611 bytes) <li /><a href="/ftp/python/2.2.2/rpms/redhat8.0/python-tools-2.2.2-7.i386.rpm">python-tools-2.2.2-7.i386.rpm</a> (Red Hat 8.0 additional Python tools RPM, 35856 bytes) <li /><a href="/ftp/python/2.2.2/rpms/redhat8.0/tkinter-2.2.2-7.i386.rpm">tkinter-2.2.2-7.i386.rpm</a> (Red Hat 8.0 Tk GUI library, 265454 bytes) <li /><a href="/ftp/python/2.2.2/rpms/redhat8.0/sip-3.3.2-4tummy.src.rpm">sip-3.3.2-...

  • Python 2.4.1 - Release Notes

    ...Format() and PyString_FromFormatV(). These can be used safely to construct string objects from a sprintf-style format string (similar to the format string supported by PyErr_Format()). New platforms Stephen Hansen contributed patches sufficient to get a clean compile under Borland C (Windows), but he reports problems running it and ran out of time to complete the port. Volunteers? Expect a MemoryError when importing the types module; this is probably shallow, and causing later failures to...

  • Building the PSF: the Q2 2019 Fundraiser

    Building the PSF: the Q2 2019 Fundraiser Help us raise $60,000 USD by June 30th! #countdown-wrap { width: 70%; padding: 10px; font-family: arial; max-width: 650px; margin: 10px auto 50px; } #goal { font-size: 36px; text-align: center; color: #888; @media only screen and (max-width : 640px) { text-align: center; } } #glass { width: 100%; height: 20px; background: #c7c7c7; border-radius: 10px; float: left; overflow: hidden; } #progress { float: left;...

  • Computer Programming for Everybody

    ...formation age, and it is expected that computer technology will soon replace printing as the dominant form of information distribution technology. About half of all US households already own at least one personal computer, and this number is still growing. However, while many people nowadays use a computer, few of them are computer programmers. Non-programmers aren't really "empowered" in their computer use: they are confined to using applications in ways that programmers have determ...

  • Notes

    ...format for short options that take an argument from e.g. "-oARG" to "-o ARG"; add set_short_opt_delimiter() and set_long_opt_delimiter() methods to HelpFormatter to allow (slight) customization of the formatting. Patch #736940: internationalize Optik: all built-in user- targeted literal strings are passed through gettext.gettext(). (If you want translations (.po files), they're not included with Python -- you'll find them in the Optik source distribution from http://optik.so...

  • PSF Trademark Usage Policy

    ...formats. Use of derived logos for user groups and conferences -- Allowed if used to refer to the Python programming language. Commercial user groups and for-profit conferences require permission from the PSF. Use of derived logos for freely distributed 3rd-party modules or tools -- Allowed if for the Python programming language. Use of derived logos for commercial modules and tools requires permission from the PSF. We recommend contacting the PSF for permission for all derived logos to avoid p...

  • What's new in Python 2.3

    ...format. (New in 2.3b1.) timeit - module to time the speed of code snippets. (New in 2.3b1.) platform - find out everything you always wanted to know about your platform, but were afraid to ask. (New in 2.3b1; by Marc-Andre Lemburg.) shelve - optionally supports automatic writeback, and exposes pickle protocol versions. (New in 2.3b1.) DocXMLRPCServer - a self-documenting XML server library. (New in 2.3b1.) rotor - this module is deprecated. It is too easily cracked. (New in 2.3b1.) r...

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