BLD: Enable wheels on Windows-on-ARM

Author: QuLogic

.github/workflows/cibuildwheel.yml

@@ -127,7 +127,9 @@ jobs:
           - os: ubuntu-24.04-arm
             cibw_archs: "aarch64"
           - os: windows-latest
-            cibw_archs: "auto64"
+            cibw_archs: "AMD64"
+          - os: windows-11-arm
+            cibw_archs: "ARM64"
           - os: macos-13
             cibw_archs: "x86_64"
           - os: macos-14
@@ -187,7 +189,7 @@ jobs:
           CIBW_BUILD: "pp311-*"
           CIBW_ARCHS: ${{ matrix.cibw_archs }}
           CIBW_ENABLE: pypy
-        if: matrix.cibw_archs != 'aarch64' && matrix.os != 'windows-latest'
+        if: matrix.cibw_archs != 'aarch64' && matrix.os != 'windows-latest' && matrix.os != 'windows-11-arm'
 
       - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02  # v4.6.2
         with:

pyproject.toml

@@ -86,6 +86,14 @@ local_scheme = "node-and-date"
 parentdir_prefix_version = "matplotlib-"
 fallback_version = "0.0+UNKNOWN"
 
+# FIXME: Remove this override once dependencies are available on PyPI.
+[[tool.cibuildwheel.overrides]]
+select = "*-win_arm64"
+before-test = """\
+    pip install --pre \
+    --index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple \
+    contourpy numpy"""
+
 [tool.isort]
 known_pydata = "numpy, matplotlib.pyplot"
 known_firstparty = "matplotlib,mpl_toolkits"