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#freethreaded

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Public
Hugo van Kemenade

🧵🛞 I made a thing!

hugovk.github.io/free-threaded tracks how many of the top 360 PyPI packages have free-threaded wheels.

🟢 Green packages (currently 3%) offer has free-threaded wheels

⚪ Uncoloured packages (82%) offer pure-Python wheels

🟠 Orange packages (16%) have no wheels ready for free-threading (yet!)

See also Quansight Labs' py-free-threading.github.io/tr for a smaller yet fine-grained tracker that also includes build tools.

A website screenshot. Top left has a pie chart with 304/360 in the centre, with mostly black slices, but some orange and a few green. There's text description at the bottom left. On the right is a long list of Python packages, with a colour matching their free-threaded support.
#Python#FreeThreaded#PEP703
Public
Pillow

🐍🚀🎨 #Pillow 11.0.0 has been released!

* Added support for #Python 3.13, including experimental #freethreaded wheels!

* Dropped EOL 3.8

* Removed PSFile, PyAccess and Image.USE_CFFI_ACCESS, TiffImagePlugin IFD_LEGACY_API, and support for WebP 0.4

* A bunch of new deprecations, to be removed in 12.0.0 in October 2025

* Default resampling filter for I;16* image modes has changed to Image.BICUBIC

* XMP data can be saved to JPEG and MPO files

pillow.readthedocs.io/en/stabl

11.0.0 (2024-10-15) Backwards Incompatible Changes Python 3.8 Pillow has dropped support for Python 3.8, which reached end-of-life in October 2024. Python 3.12 on macOS <= 10.12 The latest version of Python 3.12 only supports macOS versions 10.13 and later, and so Pillow has also updated the deployment target for its prebuilt Python 3.12 wheels. PSFile The PSFile class was removed in Pillow 11 (2024-10-15). This class was only made as a helper to be used internally, so there is no replacement. If you need this functionality though, it is a very short class that can easily be recreated in your own code. PyAccess and Image.USE_CFFI_ACCESS Since Pillow’s C API is now faster than PyAccess on PyPy, PyAccess has been removed. Pillow’s C API will now be used on PyPy instead. Image.USE_CFFI_ACCESS, for switching from the C API to PyAccess, was similarly removed. TiffImagePlugin IFD_LEGACY_API An unused setting, TiffImagePlugin.IFD_LEGACY_API, has been removed. WebP 0.4 Support for WebP 0.4 and earlier has been removed; WebP 0.5 is the minimum supported.
Deprecations FreeType 2.9.0 Deprecated since version 11.0.0. Support for FreeType 2.9.0 is deprecated and will be removed in Pillow 12.0.0 (2025-10-15), when FreeType 2.9.1 will be the minimum supported. We recommend upgrading to at least FreeType 2.10.4, which fixed a severe vulnerability introduced in FreeType 2.6 (CVE 2020-15999). Get internal pointers to objects Deprecated since version 11.0.0. Image.core.ImagingCore.id and Image.core.ImagingCore.unsafe_ptrs have been deprecated and will be removed in Pillow 12 (2025-10-15). They were used for obtaining raw pointers to ImagingCore internals. To interact with C code, you can use Image.Image.getim(), which returns a Capsule object. ICNS (width, height, scale) sizes Deprecated since version 11.0.0. Setting an ICNS image size to (width, height, scale) before loading has been deprecated. Instead, load(scale) can be used. Image isImageType() Deprecated since version 11.0.0. Image.isImageType(im) has been deprecated. Use isinstance(im, Image.Image) instead. ImageMath.lambda_eval and ImageMath.unsafe_eval options parameter Deprecated since version 11.0.0. The options parameter in lambda_eval() and unsafe_eval() has been deprecated. One or more keyword arguments can be used instead. JpegImageFile.huffman_ac and JpegImageFile.huffman_dc Deprecated since version 11.0.0. See the release notes for more.
API Changes Default resampling filter for I;16* image modes The default resampling filter for I;16, I;16L, I;16B and I;16N has been changed from Image.NEAREST to Image.BICUBIC, to match the majority of modes. API Additions Writing XMP bytes to JPEG and MPO XMP data can now be saved to JPEG files using an xmp argument: im.save("out.jpg", xmp=b"test") The data can also be set through info, for use when saving either JPEG or MPO images: im.info["xmp"] = b"test" im.save("out.jpg") Other Changes Python 3.13 Pillow 10.4.0 had wheels built against Python 3.13 beta, available as a preview to help others prepare for 3.13, and to ensure Pillow could be used immediately at the release of 3.13.0 final (2024-10-07, PEP 719). Pillow 11.0.0 now officially supports Python 3.13. Support has also been added for the experimental free-threaded mode of PEP 703. Python 3.13 only supports macOS versions 10.13 and later. C-level Flags Some compiling flags like WITH_THREADING, WITH_IMAGECHOPS, and other WITH_* were removed. These flags were not available through the build system, but they could be edited in the C source.
#PythonPillow#release
Continued thread
Public
Hugo van Kemenade

🐍🧪 Python 3.13 beta 2 is out!

discuss.python.org/t/3-13-0b2-

The macOS installer joins the Windows installer in adding an option to install free-threaded binaries as python3.13t, making it even easier to try it out.

See github.com/python/cpython/issu for all the details, and dev.to/hugovk/help-us-test-fre for an overview.

#python #CPython #python313 #PEP703 #FreeThreaded
#JustDontCallItNoGIL #macOS

Discussions on Python.org · 3.13.0b2 now availableAfter a little bit of a delay (I blame the flat tire on my rental car), 3.13.0b2 is released: This is a beta preview of Python 3.13 Python 3.13 is still in development. This release, 3.13.0b2, is the second of four beta release previews of 3.13. Beta release previews are intended to give the wider community the opportunity to test new features and bug fixes and to prepare their projects to support the new feature release. We strongly encourage maintainers of third-party Python projects to t...
Public
Hugo van Kemenade

🐍🧪 Python 3.13.0 is due out in October 2024 and work is underway to implement *experimental support* for PEP 703 "Making the Global Interpreter Lock Optional in CPython".

As the Steering Council noted in their acceptance of the PEP, to succeed it's important to have community support.

I wrote a little guide on how you can help test out the beta in your project, and help us find bugs in CPython:

dev.to/hugovk/help-us-test-fre
#python #CPython #python313 #PEP703 #FreeThreaded
#JustDontCallItNoGIL

DEV CommunityHelp us test free-threaded Python without the GILPython 3.13 is due out in October 2024 and work is underway to implement experimental support for PEP...
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