scikit-build-core Developer Meeting #17 Notes: April 5th, 2024

[thewtex]

Agenda

• ITK scikit-build-core updates
• cmake-python-distributions updates
• scikit-build-core status

Attending

• Matt McCormick
• Henry Scheiner

Discussion

• ITK now using scikit-build-core!
• Stable ABI / Limited API
  • Working nicely!
  • Some patches submitted to SWIG for 3.11, required for Buffer Protocol / NumPy support
• ITK Remote modules, scikit-build-core support
  • 1. setuptools_scm
    • unique version
  • 2. version in pyproject.toml
    • scikit-build-core generates a module with the version
    • [[tool.scikit-build.generate]]
• cmake-python-distributions
  • 3.29.1
  • turn off tests by default, enable via config in CI
  • bump updates files
    • needs to update pyproject.toml
    • docs to get version from pyproject.toml to avoid building the package
    • [[tool.scikit-build.generate]]
  • RunCMake.if
    • piwheels for raspberry pi
    • FilePermissions
  • cross-compiling, dockcross / cibuildwheel / scikit-build-core support
    • Raspberry Python armv7
    • SciPy hackathon
    • SOABI broken in find_package(Python, SOABI, etc.
      • CMake #25145
      • pybind11 #5043
        • nanobind wraps python_add_library with fixes, use skbuild SOABI, etc
• scikit-build-core status
  • pyproject-metadata now on PyPA
  • Filipe to create a release
  • todo: embed pyproject-metadata in scikit-build-core
    • Switch to metadata 2.2
      • Good for built distributions
      • Pull metadata from sdist
      • uv
      • 2.3 a bit too new
  • hatch plugin
    • currently experimental
    • other maintainers welcome
    • PR close to being ready
      • Currently builtin but may move to separate package / repository
        • scikit-build-hatch ?, hatch-scikit-build ?
        • keep tight version pinning
          • extra_settings in scikit-build-core, read in settings from hatch's configuration
    • Another implementation by MementoRC, private hatch-scikit-build-core repo
      • Two different plugins?
    • hatchling recently added supporting feature
      • auto-addition of cmake, ninja

Slides review notes

• N/A

Recording and Transcript

• NA