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  • PSF Developers in Residence

    PSF Developers in Residence The Python Software Foundation’s Developer in Residence Program supports full-time developers who are focused on improving the Python programming language and its ecosystem. These developers play a crucial role in advancing Python’s core development, maintaining critical infrastructure, and supporting the broader community through mentorship, documentation, and tooling. Their work also addresses essential areas such as packaging, supply chain security, and the conti...

  • Python Success Stories

    ...closed program, is essential for many applications. An important aspect of biomolecular simulations is visualization. MMTK delegates this task to external tools. Two visualization programs, VMD and PyMOL, are particularly well integrated. Most MMTK users access the library from simple Python scripts, but MMTK has also been used as a basis for end-user programs with graphical user interfaces, such as nMOLDYN and DomainFinder. MMTK currently consists of about 18,000 lines of Python code, 12,000 li...

  • 2012-01-16 PSF Board Meeting Minutes

    ...close-of-sponsorship.html Financial updates will be sent to the private board list. Registration for the conference and tutorials continues at a healthy pace. 4. Idan Gazit has been tapped to do the artwork for the Program Guide and T-Shirts. This is still under way. Negotiations with Elegant Stitches are ongoing. The official talk schedule has been announced: https://us.pycon.org/2012/schedule/ Financial aid deadline has closed; acceptance letters have been sent. Jesse also listed the new ...

  • 2012-05-21 PSF Board Meeting Minutes

    ...close to being able to recognize the income from a very strong PyCon 2012. Concerning the Associate Member Program (AM), he said: Associate Member program: The website is available to accept Associate Member registrations. Andrew Kuchling has offered to work on improving the site content and the attractiveness of the Associate Membership offering. We still need to link psfmember.org to python.org, improve the attractiveness of the offering by adding content on python.org relating to the Assoc...

  • Release – Python 3.13.0rc1

    Version: None

    Released: Aug. 1, 2024

    This is the first release candidate of Python 3.13.0 This release, 3.13.0rc1, is the penultimate release preview. Entering the release candidate phase, only reviewed code changes which are clear bug fixes are allowed between this release candidate and the final release. The second candidate (and the last planned release …

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  • Release – Python 3.13.0rc2

    Version: None

    Released: Sept. 6, 2024

    This is the second release candidate of Python 3.13.0 This release, 3.13.0rc2, is the final release preview. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is scheduled for Tuesday, 2024-10-01. There will be no ABI changes …

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  • Release – Python 3.13.0rc3

    Version: None

    Released: Oct. 1, 2024

    This is the third release candidate of Python 3.13.0 This release, 3.13.0rc3, is the final release preview (no really) of 3.13. This release is expected to become the final 3.13.0 release, barring any critical bugs being discovered. The official release of 3.13.0 is now scheduled for Monday, 2024-10-07. This …

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  • Python Success Stories

    ...closed source programs that were prohibitively expensive. We looked at some open source tools as alternatives. OpenDX had just been released to the public and at that time was hard for me to get up and running. OpenDX was also a fairly complex system with a steep learning curve. Another visualization/graphics library, VTK, was also available as open source. VTK is an extremely powerful visualization library written in C++. It is very portable and runs on various flavors of Unix, Windows, and...

  • Parade of the PEPs

    ...closer to new-style classes. I haven't made a start with this work, and I think maybe it's not necessary -- the classic clas simplementation may as well remain exactly the way it is, until it is simply dropped in Python 3000. Somewhere along the way, when we believe that most users are using new-style classes anyway, we should add warnings for uses of old-style classes. The PEP could be used to describe the timeframe for these warnings. But before then, we should first make sure that t...

  • 2011-07-18 PSF Board Meeting Minutes

    ...Closed the books on two sprints by completing the reimbursements for the PEP-382 and Djangocon sprints. With the recent influx of sprints, I got a small start on the ledger that was mentioned some time ago in order to keep up to date on everything, and to supplement Kurt's payment reports that we receive." Trademarks Committee (TMC) -------------------------- D. Mertz, Trademarks Committee Chair, reported on issues & blockages for the month. He said: - Have asked PSF counsel several times a...

  • Job - Senior Software Engineer

    Location: San Francisco, California United States

    Your Mission This role will follow a hybrid schedule, requiring in-office presence at our San Francisco office from Monday to Thursday, with an occasional additional day on-site as needed. We’re looking for a Senior Software Engineer with experience integrating payment providers to own, maintain, and continuously modernize our payments and …

  • Python Success Stories

    ...closely tailored to the client's needs and requirements, without the significant overhead incurred by the unneeded parts of CMF or Plone. Because Python allows for very rapid development, this choice was not at odds with the very tight initial deadline on the DisabilityInfo project. In two weeks, a working prototype was ready to show to the client. The first production quality release of the software only took an additional three weeks, building directly upon the prototype. By using Python, main...

  • 2011-10-17 PSF Board Meeting Minutes

    ...closed the Diamond level sponsors (3) as well as the Lanyard levels. We will close Platinum at 10 total, and leave Gold and Silver and FOSS open. Financial updates will be sent to the private board list. 3. CTE negotiations and discussions have completed. We are now entering the registration implementation phase. Room commission rate negotiations with the Hyatt are done. 5. The on-site visit with the Hyatt and the Convention center are complete. The space looks amazing and the staff has been...

  • Notes

    ...close() method first closed the underlying file, then deleted the file. This usually worked fine. However, the spawn family of functions on Windows create (at a low C level) the same set of open files in the spawned process Q as were open in the spawning process P. If a temp file f was among them, then doing f.close() in P first closed P's C-level file handle on f, but Q's C-level file handle on f remained open, so the attempt in P to delete f blew up with a "Permission denied" error...

  • Python Software Foundation: Minutes of the 1st Meeting of Board of Directors

    ...close of business on the day next preceding the day on which notice is given, or, if notice is waived, at the close of business on the day next preceding the day on which the meeting is held. A determination of members of record entitled to notice of or to vote at a meeting of members shall apply to any adjournment of the meeting; provided, however, that the Board of Directors may fix a new record date for the adjourned meeting. (b) For purposes of determining the members entitled to consent to...

  • Python Success Stories

    ...closed the decision was the fact that it would have taken about three months to port the BSL code base to C++. It took two weeks to port it to Python. This project eventually replaced almost every component of the original system. Areas of functionality that relied heavily on low-level APIs were rewritten in C++. The user interface was also rewritten in C++, in order to make use of the Visual Age User Interface Class Library. All of these components were addressable through a CORBA-like distribu...

  • Python Success Stories

    ...closely to complicated database relationships, making management and further development very difficult. Thanks to the marketing efforts of several large server vendors, our solution space was quickly identified. What the company needed was "Web services", or put simply, a way for a client application to talk to the server side in a reasonably standardized manner. Our customer was already using two of the dominant technologies in this area: Microsoft's .NET and BEA's WebLogic J2EE serv...

  • 2011-06-27 PSF Board Meeting Minutes

    ...close to Van's estimate of $152,870. Please refer to the attached P&L for details.: PyCon Revenue $789,161.70 PyCon Expense 634,310.64 ---------- Net Profit $154,851.06 AR is up, primarily because of the 48K PyCon room commissions due to us. The Hyatt invoices were paid in early June, but that is not reflected in the May numbers, so AP is also up by $335K. Donations for the month were $2,626. This includes $1,891 in donations to the PSF received as part of PyCon re...

  • Copy of PSF Bylaws Prior to March 2009 Members' Meeting

    ...close of business on the day next preceding the day on which notice is given, or, if notice is waived, at the close of business on the day next preceding the day on which the meeting is held. A determination of members of record entitled to notice of or to vote at a meeting of members shall apply to any adjournment of the meeting; provided, however, that the Board of Directors may fix a new record date for the adjourned meeting. (b) For purposes of determining the members entitled to consent to ...

  • Release – Python 3.14.0rc2

    Version: None

    Released: Aug. 14, 2025

    It's the final 🪄 penultimate 🪄 3.14 release candidate! Note: rc2 was originally planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means .pyc files created for rc1 cannot be used for rc2, and they'll be …

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