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  • Supporting Membership

    ...helps hold us accountable to our most important stakeholders: our community members. Supporting Members are key to ensuring we can continue the work that is most important to the Python community, including hosting the Python Packaging Index, PyCon US, the CPython Developer in Residence, and our Grants program. A standard Supporting Membership is $99 per year, and you can sign up or renew here on our psfmember.org site. You will be asked to create a psfmember.org account if you do not already h...

  • Release – Python 3.3.0

    Version: None

    Released: Sept. 29, 2012

    Python 3.3 includes a range of improvements of the 3.x series, as well as easier porting between 2.x and 3.x. Major new features in the 3.3 release series are: PEP 380, syntax for delegating to a subgenerator (yield from) PEP 393, flexible …

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  • A Journey to Python

    ...help. She's now my wife, and became the first woman member of the PSF. We did the second edition of the Python Cookbook together, and although she's not officially an author of the second edition of Python in a Nutshell, she was so incredibly helpful with it that she might as well be. Through my Python books I got in touch with Google, at the time a small company but already a substantial customer for the Nutshell. I tried to sell them on my services as a consultant and found myself with an ex...

  • Debugging Reference Count Problems

    ...help here -- I don't even know which functions you are calling. Perhaps you could compile a list of Py* functions you are calling and any questions you have regarding their reference count behavior after looking them up in the manual? Of course, this didn't work or I wouldn't be bothering everyone with it. Am now breaking the thing down into smaller functions to see if that will help in tracking down the error (though it will almost certainly slow the function down). Is there a FAQ...

  • Creating And Distributing Your Own Screencasts

    Creating And Distributing Your Own Screencasts screencasts, python For users of Windows, there are instructions and a video on how to get starting using the free, GPL'd CamStudio software. Note: The difference between a screencast and a video is a semantic one, but generally a screencast is a video lecture that focuses on looking at actual source code or other such text on the presenter's desktop. A video, as the term is used here, is usually shot with a standalone camera of a presenter talk...

  • Other Catalog Systems

    ...help you learn about the catalog systems used by other projects. We've tracked down the instructions so that you don't have to. CPAN CPAN search page PAUSE (instructions for registering and uploading modules) Zen of Comprehensive Archive Networks: a note from CPAN's maintainers. (A less interesting document than it sounds, unfortunately.) Perl Package Manager from ActiveState Open Software Distribution Debian Debian Packaging FAQ New Mainta...

  • Release – Python 3.14.0a6

    Version: None

    Released: March 14, 2025

    Here comes the penultimate alpha. This is an early developer preview of Python 3.14 Major new features of the 3.14 series, compared to 3.13 Python 3.14 is still in development. This release, 3.14.0a6, is the sixth of seven planned alpha releases. Alpha releases are intended to …

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  • Release – Python 3.15.0a4

    Version: None

    Released: Jan. 13, 2026

    This is an early developer preview of Python 3.15 Major new features of the 3.15 series, compared to 3.14 Python 3.15 is still in development. This release, 3.15.0a4, is the fourth of seven planned alpha releases. Alpha releases are intended to make it easier to test the …

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  • Python Success Stories

    Python Success Stories Introduction When one of the French Government Agencies was looking for a way to overcome their growing data quality problems, they chose to use the Test&Go software suite from QualiControl, along with associated consultancy, to help them develop a solution. The problem was the following: every year, over a period of one month, more than 800,000 French companies sent their employee year-end reports in electronic form. More than 35% of these reports had errors or exc...

  • Release – Python 3.15.0b2

    Version: None

    Released: June 2, 2026

    Here comes the antepenultimate beta. This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b2, is the second of four planned beta releases. Beta release previews are intended to give the wider community the opportunity to test new features and …

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  • Release – Python 3.15.0b3

    Version: None

    Released: June 23, 2026

    Here comes the penultimate beta. This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b3, is the third of four planned beta releases, containing around 195 bugfixes, build improvements and documentation changes from 86 contributors since 3.15.0b2. Beta release previews …

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  • Release – Python 3.15.0b4

    Version: None

    Released: July 18, 2026

    Here comes the final beta. This is a beta preview of Python 3.15 Python 3.15 is still in development. This release, 3.15.0b4, is the final planned beta release, containing around 298 bugfixes, build improvements and documentation changes since 3.15.0b3. Beta release previews are intended to give the …

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  • Job - Senior Full-Stack Engineer [Full Time; 100% remote; US-only]

    Location: Anywhere, Anywhere USA

    Telecommuting: Yes

    The Role You'd be joining a lean, high-leverage engineering team tackling the complexity of legal software — not by pushing longer hours, but by getting genuinely good at working alongside AI. This isn't a "we occasionally use ChatGPT" team. The group is actively figuring out how to hand …

  • Job - Backend Software Engineer (FastAPI) -Onsite in Katy, Texas

    Location: Katy, TX United States

    Backend Software Engineer (API-focused) Katy, Texas (full-time onsite) Compensation: $110,000 - $120,000 annually Reports to: Software Engineering Manager Visa Sponsorship: Not Available Would you like to be a key member of the development team supporting hundreds of law enforcement agencies across the United States? Are you …

  • Python Success Stories

    ...help information, is all part of the framework, and can be reused by other tools in the TTP-Tools family. This framework was of great help when building the node configuration tool TTP-Build, which uses a network configuration generated by TTP-Plan to produce the configuration of an individual node in the network. Productivity of Programmers Using the Framework Meanwhile, new tools were built using the existing framework. A programmer new to both Python and our framework was able to build a ...

  • Release – Python 3.6.10

    Version: None

    Released: Dec. 18, 2019

    Note: The release you are looking at is Python 3.6.10, a security bugfix release for the legacy 3.6 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 3.6 was 3.6.15 …

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  • Release – Python 3.7.10

    Version: None

    Released: Feb. 15, 2021

    Note: The release you are looking at is a security bugfix 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. Please …

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  • Release – Python 3.7.11

    Version: None

    Released: June 28, 2021

    Note: The release you are looking at is a security bugfix 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. Please …

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  • Release – Python 3.7.12

    Version: None

    Released: Sept. 4, 2021

    Note: The release you are looking at is a security bugfix 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. Please …

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  • Release – Python 3.7.13

    Version: None

    Released: March 16, 2022

    Note: The release you are looking at is a security bugfix 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. Please …

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