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  • The Python 2.3 Method Resolution Order

    The Python 2.3 Method Resolution Order By Michele Simionato. Abstract:This document is intended for Python programmers who want to understand the C3 Method Resolution Order used in Python 2.3. Although it is not intended for newbies, it is quite pedagogical with many worked out examples. I am not aware of other publicly available documents with the same scope, therefore it should be useful. Disclaimer: I donate this document to the Python Software Foundation, under the Python 2.3 lice...

  • Release – Python 3.7.0b1

    Version: None

    Released: Jan. 31, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b1, is the first of four planned beta release previews. Among the major new features in Python 3.7 are: PEP 538, Coercing the legacy C locale to a UTF-8 based locale PEP 539 …

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  • Release – Python 3.7.0b2

    Version: None

    Released: Feb. 28, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b2, is the second of four planned beta release previews. Among the major new features in Python 3.7 are: PEP 538, Coercing the legacy C locale to a UTF-8 based locale PEP 539 …

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  • Bugs in Python 2.4.3

    Bugs in Python 2.4.3 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Bugs in Python 2.4.4

    Bugs in Python 2.4.4 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Bugs in Python 2.4.5

    Bugs in Python 2.4.5 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Bugs in Python 2.4.5

    Bugs in Python 2.4.5 In the default installation directory (C:Python24), NTFS permission inheritance gives write access to the Python installation for all users of the system. If untrusted users have access to the system, there are two solutions to the problem: either install to the Program Files folder (where only Power Users get write access to the installation), or edit the access control list to remove the write permission. If write control should only be granted to Administrators, the co...

  • Release – Python 3.7.0b5

    Version: None

    Released: May 30, 2018

    This is a beta preview of Python 3.7 Python 3.7 is still in development. This release, 3.7.0b5, is now the final planned beta release preview. Originally, 3.7.0b4 was intended to be the final beta but, due to some unexpected compatibility issues discovered during beta testing of third-party packages, we …

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  • What's new in Python 1.5 and beyond

    What's new in Python 1.5 and beyond If you download the source release, there's a loooong list of changes since release 1.4 in the file Misc/NEWS. Below are some highlights. (Or go directly to the listings of what's new in 1.5b1, what's new in 1.5b2, and what's new in 1.5 (final).) For an essay on the (difficult!) subject of metaprogramming, see my essay Metaprogramming in Python 1.5. See also the description of some major new features in version 1.5: Built-in Package Support and Stand...

  • What is Python? Executive Summary

    What is Python? Executive Summary What is Python? Executive Summary Python is an interpreted, object-oriented, high-level programming language with dynamic semantics. Its high-level built in data structures, combined with dynamic typing and dynamic binding, make it very attractive for Rapid Application Development, as well as for use as a scripting or glue language to connect existing components together. Python's simple, easy to learn syntax emphasizes readability and therefore r...

  • Legal & Policies

    Legal & Policies Legal Statements Trademark Policy Licenses Contribution Agreements Vendor Info Legal Statements Legal statements on Trademark, Copyright, and Third-Party Content. Trademark Policy PSF trademark usage policy. Licenses About Python licensing. Contribution Agreements Information on contribution licensing and online form for organizations wishing to make software contributions. Vendor Info Accounts payable information and payment options.

  • Release – Python 3.7.2rc1

    Version: None

    Released: Dec. 11, 2018

    Python 3.7.2rc1 is the release candidate preview of the second maintenance release of Python 3.7. The Python 3.7 series is the newest major release of the Python language and contains many new features and optimizations. Among the major new features in Python 3.7 are: PEP 539, new C API …

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  • Release – Python 3.7.3rc1

    Version: None

    Released: March 12, 2019

    Python 3.7.3rc1 is the release candidate preview of the third maintenance release of Python 3.7. The Python 3.7 series is the newest major release of the Python language and contains many new features and optimizations. Among the major new features in Python 3.7 are: PEP 539, new C API …

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  • Volunteer

    Volunteer The Python Software Foundation needs your help building infrastructure for the PSF and PyCon US, helping with fundraising and advocacy, and running important parts of the Python community (mailing lists, website, job board, etc). You can help out by signing up the psf-volunteers mailing list, which puts you in a pool of people that receive requests from the PSF board when there is work to be done that we cannot handle ourselves. Sign up here! Don't worry if you won't always be availa...

  • Grant Types

    Grant Types Sprints These types of dev events are usually 1-4 days long and the goal is to complete a set of objectives for a project. Sprints are usually on the small side and tend to be less than 20 people. Sprints that happen at conferences can have larger turnout though (like [PyCon Sprints](https://us.pycon.org/2017/community/sprints/) for example). [OpenHatch created a helpful in-person event handbook](http://opensource-events.com/) that can help you run a productive dev sprint. User ...

  • Python Patterns - An Optimization Anecdote

    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 ...

  • PSF Sponsorship Prospectus

    PSF Sponsorship Prospectus sponsorship sponsor prospectus PSF Sponsorship Program Your contributions matter and they make an IMPACT. Below are some of the ways the PSF uses its funding to support the Python community: Python Community Infrastructure The PSF supports the Python Package Index (PyPI), mail.python.org, wiki.python.org, and us.pycon.org. In addition to the costs of the community web services we provide, we need staff to expand our services programs and keep them running 24/...

  • Release – Python 3.7.0

    Version: None

    Released: June 27, 2018

    Note: The release you are looking at is Python 3.7.0, the initial feature release for the legacy 3.7 series which has now reached end-of-life and is no longer supported. See the downloads page for currently supported versions of Python. The final source-only security fix release for 3.7 was 3.7.17 …

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  • Release – Python 3.7.1rc1

    Version: None

    Released: Sept. 26, 2018

    Python 3.7.1rc1 is a release candidate preview of the first maintenance release of Python 3.7. The Python 3.7 series is the newest major release of the Python language and contains many new features and optimizations. Among the major new features in Python 3.7 are: PEP 539, new C API …

    View Release Notes

  • Release – Python 3.7.1rc2

    Version: None

    Released: Oct. 13, 2018

    Python 3.7.1rc2 is the second release candidate preview of the first maintenance release of Python 3.7. The Python 3.7 series is the newest major release of the Python language and contains many new features and optimizations. Among the major new features in Python 3.7 are: PEP 539, new C …

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Python language documentation

If you didn't find what you need, try your search in the Python language documentation.