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Merged
maresb merged 4 commits into from
Mar 6, 2026
Merged

CI: add Python 3.14 support, drop win32 wheels #55

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43bdaee
Add Python 3.14 to test matrix, skip free-threaded builds
maresb Mar 6, 2026
c98c395
Stop building win32 wheels
maresb Mar 6, 2026
8cceef3
Build and test Python 3.14 wheels on PRs
maresb Mar 6, 2026
67d6276
Harden conda-forge libomp download against transient failures
maresb Mar 6, 2026
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20 changes: 15 additions & 5 deletions .github/workflows/cibuildwheel.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,10 @@ jobs:

- name: Set up OpenMP for macOS
if: runner.os == 'macOS'
shell: bash
run: |
set -euxo pipefail

# Use a conda-forge libomp built against an old macOS SDK so that
# delocate can bundle it into wheels targeting 10.9 (x86_64) or
# 11.0 (arm64). Homebrew's libomp targets the runner's OS, which
Expand All @@ -87,7 +90,9 @@ jobs:

PREFIX="$HOME/openmp"
mkdir -p "$PREFIX"
curl -sL "$OPENMP_URL" | tar xj -C "$PREFIX"
curl --fail --retry 3 -sL "$OPENMP_URL" | tar xj -C "$PREFIX"

ls "$PREFIX/lib/libomp.dylib"

echo "CC=/usr/bin/clang" >> $GITHUB_ENV
echo "CXX=/usr/bin/clang++" >> $GITHUB_ENV
Expand All @@ -99,11 +104,15 @@ jobs:
- name: Build wheels with cibuildwheel
uses: pypa/cibuildwheel@ee02a1537ce3071a004a6b08c41e72f0fdc42d9a # v3.4.0
env:
# On PR: only build extremal Python versions (3.8 and 3.13)
# On PR: only build extremal Python versions (3.8 and 3.14)
# On main/release: build all supported versions (default behavior)
CIBW_BUILD: ${{ github.event_name == 'pull_request' && 'cp38-* cp313-*' || '' }}
# On PR: skip cp38 musllinux builds (they take ~6 minutes)
CIBW_SKIP: ${{ github.event_name == 'pull_request' && 'cp38-musllinux*' || '' }}
CIBW_BUILD: ${{ github.event_name == 'pull_request' && 'cp38-* cp314-*' || '' }}
# Always skip free-threaded builds (testing infrastructure not yet in place).
# On PR: also skip cp38 musllinux builds (they take ~6 minutes).
CIBW_SKIP: ${{ github.event_name == 'pull_request' && 'cp*t-* cp38-musllinux*' || 'cp*t-*' }}
# Only build 64-bit Windows wheels. scipy and matplotlib have dropped
# win32 support, making 32-bit wheels untestable in CI.
CIBW_ARCHS_WINDOWS: AMD64

- name: Generate build provenance attestations for wheels
# Only generate attestations for trusted workflows (not fork PRs)
Expand Down Expand Up @@ -190,6 +199,7 @@ jobs:
3.11
3.12
3.13
3.14

- name: Install script dependencies
shell: bash
Expand Down
8 changes: 0 additions & 8 deletions cibuildwheel-scripts/generate_test_matrix.py
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Expand Up @@ -36,14 +36,6 @@
python-filter: ""
run-on-pr: true

- os: windows-latest
platform: windows-x86
python-cmd: python
setup-python: true
setup-python-arch: x86
python-filter: "win32"
run-on-pr: false

- os: macos-15-intel
platform: macos-15-intel
python-cmd: python
Expand Down
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