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  • 2021 end-of-the-year fundraiser!

    ...allows the PSF financial stability to continue supporting a growing community! Last year, this fundraiser was a huge success even at the end of an incredibly difficult year. It was amazing to know Pythonistas had our back, and your contributions allowed us to keep doing new things for the community in 2021. We can't wait to finally see you again *in person* at PyCon US 2022! Help us continue the momentum!  

  • Quotes about Python

    ...ally there's nothing else with the flexibility and as many web libraries," said Prof. James A. Hendler. EZTrip.com "The travel industry is made up of a myriad supplier data feeds all of which are proprietary in some way and are constantly changing. Python repeatedly has allowed us to access, build and test our in-house communications with hundreds of travel suppliers around the world in a matter of days rather then the months it would have taken using other languages. Since adopti...

  • Python Success Stories

    ...all out of sync when either the class definitions or the initializer structure changed. What I really wanted was code that would analyze the shape and members of the initializer, query the class definitions themselves about their members, and then adjust itself to impedance-match the two sets. This kind of thing is called metaclass hacking and is generally considered fearsomely esoteric -- deep black magic. Most object-oriented languages don't support it at all; in those that do (Perl being one)...

  • PSF Grants Program

    ...ally provide funding to your request. For example, there are certain countries where we are unable to send funds (see the Grants FAQ page for more info). These restrictions are evolving and out of our hands, so we can’t list exactly what is allowed or not- because it's always changing (and we can’t update this page every day :)). Based on this, we need to evaluate each request on a case-by-case basis. Additionally, we need to do our best to ensure our grant awards align with the PSF'...

  • Release – Python 3.8.3

    Version: None

    Released: May 13, 2020

    This is the third maintenance release of Python 3.8 Note: The release you're looking at is Python 3.8.3, a bugfix release for the legacy 3.8 series. Python 3.11 is now the latest feature release series of Python 3. Get the latest release of 3.11.x here. Major new features of …

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  • PSF Developers in Residence

    ...all the platforms via his website. Mike Fiedler As PyPI’s sole Safety & Security Engineer, Mike focuses on ensuring that all users of PyPI - directly and indirectly - can rest easier knowing that the projects they rely on remain secure. He spends most of his time with the warehouse codebase, the underlying open source project that makes up PyPI.org and serves millions of requests a day. Mike works with communities of security researchers, developing methods to enable rapid response, and inc...

  • PSF Trademark Usage Policy

    ...Allowed in most cases by the nominative use rules described in the section "Uses that Never Require Approval" above. Other uses in ads only with prior permission. Use of the word "Python" in email and informally -- Allowed without the circle-R symbol. Use of the word "Python" in academic papers, theses, and books -- Allowed without the circle-R symbol. Books should include the symbol. Use of the word "Python" in another trademark -- Not allowed without pr...

  • Python Success Stories

    ...alled H2X, named after the allied navigation systems used during the second world war. H2X was based on an in-house molecular property calculator called Drone. This system used a Perl script which computed some of the simpler molecular properties by calling the appropriate prediction program, usually through a wrapper written in Perl, csh, or a domain specific control language. Python Chosen H2X using Drone was a successful experiment and it was used by many people. In 2001 AstraZeneca decided...

  • Python 2.4.4 Documentation

    ...all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comm...

  • Python 2.5 Documentation

    ...all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comm...

  • Python 2.5.2 Documentation

    ...all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comm...

  • Python 2.5.3 Documentation

    ...all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comm...

  • Python 2.5.4 Documentation

    ...all modules) Library Reference (keep this under your pillow) Macintosh Library Modules (this too, if you use a Macintosh) Language Reference (for language lawyers) Extending and Embedding (tutorial for C/C++ programmers) Python/C API (reference for C/C++ programmers) Documenting Python (information for documentation authors) Installing Python Modules (information for installers & sys-admins) Distributing Python Modules (sharing modules with others) If you have comm...

  • Python Software Foundation: Minutes of Board of Directors Meeting (Feb. 12, 2002)

    ...all new members as soon as the form is approved and put up on the website. Tax filing. Jeremy Hylton will do this. 501(c)(3) application. Guido van Rossum volunteered to chair the 501(c)(3) application committee, and Tim Peters, Marc-Andre Lemburg and Jeremy Hylton volunteered to serve on the committee. The committee has to wait until a mission statement is approved, see agenda item 5. 3. Meet the new board Every director present greeted every other director present. 4. PSF...

  • Software Bill-of-Materials Information

    ...all software components Software identifiers (like CPE and Package URLs) Download URLs for source code with checksums File names and content checksums Dependency relationships between each component CPython SBOMs satisfy the requirements listed in the NTIA Minimum Elements for a Software Bill of Materials. Software identifiers can be used for correlating software in use to vulnerability databases like the CVE database and Open Source Vulnerability database (OSV), typically done automatically us...

  • Software Bill-of-Materials Information

    ...all software components Software identifiers (like CPE and Package URLs) Download URLs for source code with checksums File names and content checksums Dependency relationships between each component CPython SBOMs satisfy the requirements listed in the NTIA Minimum Elements for a Software Bill of Materials. Software identifiers can be used for correlating software in use to vulnerability databases like the CVE database and Open Source Vulnerability database (OSV), typically done automatically us...

  • Python 1.6

    ...aller no longer runs a separate Tcl/Tk installer; instead, it installs the needed Tcl/Tk files directly in the Python directory. If you already have a Tcl/Tk installation, this wastes some disk space (about 4 Megs) but avoids problems with conflincting Tcl/Tk installations, and makes it much easier for Python to ensure that Tcl/Tk can find all its files. Note: the alpha installers don't include the documentation. The Windows installer now installs by default in \Python16\ on the defa...

  • 2013-11-15 PSF Board Meeting Minutes

    ...all: Working with GES to get a deal with them going for 2014 Decorator. I have more details on this - if needed let me know and I can share the comparison chart I have created on all decorator proposals. Planned for Next Month Sponsor Reg and Housing: Launch sponsor reg/housing (launched Nov 13) Expo Hall: Getting the sponsor manuals out. After GES sends them out, I will want to send an email to all of the sponsors making sure they received reg info and booth info. Budgeting: Will invoice ...

  • Release – Python 2.2.0

    Version: None

    Released: Dec. 21, 2001

    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 to remain with Python 2.2, there's a patch available from the …

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  • About

    ...ally every task extensions and modules easily written in C, C++ (or Java for Jython, or .NET languages for IronPython) embeddable within applications as a scripting interface Python is powerful... and fast Fans of Python use the phrase "batteries included" to describe the standard library, which covers everything from asynchronous processing to zip files. The language itself is a flexible powerhouse that can handle practically any problem domain. Build your own web server in three li...

Python language documentation

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