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  • Release – Python 3.9.1

    Version: None

    Released: Dec. 7, 2020

    This is the first maintenance release of Python 3.9 Note: The release you're looking at is Python 3.9.1, 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 282 changes …

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  • Python Success Stories

    ...in AstraZeneca. Andrew Dalke is the founder of Dalke Scientific Software, LLC, a software consulting and contract programming shop located in Santa Fe, New Mexico, USA. Andrew has been developing computational chemistry and biology software since 1992. His main focus is combining usability design and software engineering to develop software tools that scientists both use and enjoy. It's no wonder he likes Python so much. Pierre Bruneau is a Principal Scientist in the Cancer and Infection Resea...

  • Notes

    ...and line tool "pythonw" that runs your script with an interpreter living in such a .app bundle, this interpreter should be used to run any Python script using the window manager (including Tkinter or wxPython scripts). Most of Mac/Lib has moved to Lib/plat-mac, which is again used both in MacPython-OSX and MacPython-OS9. The only modules remaining in Mac/Lib are specifically for MacPython-OS9 (CFM support, preference resources, etc). A new utility PythonLauncher will start a Python int...

  • Bugs in Python 2.5

    ...ink: invalid file type" or similar, you'll need to get GNU tar. Some tests may unexpectedly fail on certain platforms. Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python. test_grp and test_pwd may fail. We've had reports of this on *nix systems that use a "+" at the beginning of a line in the /etc/group or /etc/passwd file to indicate NIS/YP or LDAP ...

  • Bugs in Python 2.5.1

    ...ink: invalid file type" or similar, you'll need to get GNU tar. Some tests may unexpectedly fail on certain platforms. Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python. test_grp and test_pwd may fail. We've had reports of this on *nix systems that use a "+" at the beginning of a line in the /etc/group or /etc/passwd file to indicate NIS/YP or LDAP ...

  • Python 2.3.3

    ...and the bug reporting procedure. Download the release Windows users should download the Windows installer, Python-2.3.3.exe, run it and follow the friendly instructions on the screen to complete the installation. Windows users may also be interested in Mark Hammond's win32all, a collection of Windows-specific extensions including COM support and Pythonwin, an IDE built using Windows components. RPMs suitable for Red Hat/Fedora and source RPMs for other RPM-using operating systems ...

  • Python 2.3.4

    ...and the bug reporting procedure. Download the release Windows users should download the Windows installer, Python-2.3.4.exe, run it and follow the friendly instructions on the screen to complete the installation. Windows users may also be interested in Mark Hammond's win32all, a collection of Windows-specific extensions including COM support and Pythonwin, an IDE built using Windows components. RPMs suitable for Red Hat/Fedora and source RPMs for other RPM-using operating systems ...

  • Release – Python 2.3.4

    Version: None

    Released: May 27, 2004

    This is a patch 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 …

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  • Release – Python 2.3.3

    Version: None

    Released: Dec. 19, 2003

    This is a patch 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 …

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  • Python Software Foundation: Press Release 29-Jul-2003

    ...and multi-threading High-level dynamic data typing and very late binding Tight integration with C, C++, and Java 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 Availa...

  • Python Software Foundation: Press Release 3-Oct-2003

    ...and multi-threading High-level dynamic data typing and very late binding Tight integration with C, C++, and Java 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 Availa...

  • Python 2.4.1 - Release Notes

    ...and line tool "pythonw" that runs your script with an interpreter living in such a .app bundle, this interpreter should be used to run any Python script using the window manager (including Tkinter or wxPython scripts). Most of Mac/Lib has moved to Lib/plat-mac, which is again used both in MacPython-OSX and MacPython-OS9. The only modules remaining in Mac/Lib are specifically for MacPython-OS9 (CFM support, preference resources, etc). A new utility PythonLauncher will start a Python int...

  • Bugs in Python 2.4.4

    ...ing Python on AIX requires you to build in 32 bit mode. Some tests may unexpectedly fail on certain platforms. Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python. test_grp and test_pwd may fail. We've had reports of this on *nix systems that use a "+" at the beginning of a line in the /etc/group or /etc/passwd file to indicate NIS/YP or LDAP consultation....

  • Bugs in Python 2.4.5

    ...ing Python on AIX requires you to build in 32 bit mode. Some tests may unexpectedly fail on certain platforms. Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python. test_grp and test_pwd may fail. We've had reports of this on *nix systems that use a "+" at the beginning of a line in the /etc/group or /etc/passwd file to indicate NIS/YP or LDAP consultation....

  • Bugs in Python 2.4.5

    ...ing Python on AIX requires you to build in 32 bit mode. Some tests may unexpectedly fail on certain platforms. Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python. test_grp and test_pwd may fail. We've had reports of this on *nix systems that use a "+" at the beginning of a line in the /etc/group or /etc/passwd file to indicate NIS/YP or LDAP consultation....

  • What's New In Python 3.0

    ...ing a binary file without asking for a specific length. Extension Modules Bug #3542: Support Unicode strings in _msi module. What's new in Python 3.0b2? Release date: 17-Jul-2008 Core and Builtins Issue #3008: the float type has a new instance method 'float.hex' and a new class method 'float.fromhex' to convert floating-point numbers to and from hexadecimal strings, respectively. Issue #3083: Add alternate (#) formatting for bin, oct, hex output for str.format(). This adds the prefix ...

  • Bugs in Python 2.4.3

    ...ing Python on AIX requires you to build in 32 bit mode. Some tests may unexpectedly fail on certain platforms. Here are failures that we know (something) about and intend to fix in a following patch release. These bugs may simply be in the test suite, but they may indicate bugs in Python. test_grp and test_pwd may fail. We've had reports of this on *nix systems that use a "+" at the beginning of a line in the /etc/group or /etc/passwd file to indicate NIS/YP or LDAP consultation....

  • Notes

    ...information about editing NEWS using ReST.) What's New in Python 2.4 final? Release date: 30-NOV-2004 Core and builtins Bug 875692: Improve signal handling, especially when using threads, by forcing an early re-execution of PyEval_EvalFrame() "periodic" code when things_to_do is not cleared by Py_MakePendingCalls(). What's New in Python 2.4 (release candidate 1) Release date: 18-NOV-2004 Core and builtins Bug 1061968: Fixes in 2.4a3 to address thread bug 1010677 reintroduced ...

  • Python Software Foundation: Press Release 22-Oct-2002

    ...Python and Zope users, offering increased stability and robustness. I am grateful to the Python and Zope community for contributing literally hundreds of bug fixes to Python 2.2.2," said Guido van Rossum, creator of Python, president of the Python Software Foundation, and Director of PythonLabs at Zope Corporation. "Python has been an integral part of Google since the beginning, and remains so as the system grows and evolves. Dozens of Google engineers use Python, and we're looking f...

  • Debugging Reference Count Problems

    ...Python/C API manual again, and then carefully read the descriptions of the functions you're calling. (I know, the manual is not complete; but it isn't *that* incomplete, and if you're finding a function that's not in the manual, reading its source usually gives a clue.) So says I (beginning to talk to self), why not print the environment in which the functions are being run to see what's going on... no sooner said than done. And the error disappeared! Take the printing line out -...

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