ci: move wheelbuilding config out of ci

Author: cpcloud

.github/workflows/build-wheel.yml

@@ -110,12 +110,6 @@ jobs:
         uses: pypa/cibuildwheel@c923d83ad9c1bc00211c5041d0c3f73294ff88f6  # v3.1.4
         env:
           CIBW_BUILD: ${{ env.CIBW_BUILD }}
-          CIBW_ARCHS_LINUX: "native"
-          CIBW_BUILD_VERBOSITY: 1
-          CIBW_BEFORE_BUILD_WINDOWS: "pip install delvewheel"
-          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair --namespace-pkg cuda -w {dest_dir} {wheel}"
-          CIBW_ENVIRONMENT: >
-            CUDA_PYTHON_PARALLEL_LEVEL=${{ env.CUDA_PYTHON_PARALLEL_LEVEL }}
         with:
           package-dir: ./cuda_core/
           output-dir: ${{ env.CUDA_CORE_ARTIFACTS_DIR }}
@@ -152,17 +146,6 @@ jobs:
         uses: pypa/cibuildwheel@c923d83ad9c1bc00211c5041d0c3f73294ff88f6  # v3.1.4
         env:
           CIBW_BUILD: ${{ env.CIBW_BUILD }}
-          CIBW_ARCHS_LINUX: "native"
-          CIBW_BUILD_VERBOSITY: 1
-          # CIBW mounts the host filesystem under /host
-          CIBW_ENVIRONMENT_LINUX: >
-            CUDA_PATH=/host/${{ env.CUDA_PATH }}
-            CUDA_PYTHON_PARALLEL_LEVEL=${{ env.CUDA_PYTHON_PARALLEL_LEVEL }}
-          CIBW_ENVIRONMENT_WINDOWS: >
-            CUDA_HOME="$(cygpath -w ${{ env.CUDA_PATH }})"
-            CUDA_PYTHON_PARALLEL_LEVEL=${{ env.CUDA_PYTHON_PARALLEL_LEVEL }}
-          CIBW_BEFORE_BUILD_WINDOWS: "pip install delvewheel"
-          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair --namespace-pkg cuda -w {dest_dir} {wheel}"
         with:
           package-dir: ./cuda_bindings/
           output-dir: ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}

cuda_bindings/pyproject.toml

@@ -110,3 +110,18 @@ exclude = ["cuda/bindings/_version.py"]
   "UP022",
   "E402", # module level import not at top of file
   "F841"] # F841 complains about unused variables, but some assignments have side-effects that could be useful for tests (func calls for example)
+
+[tool.cibuildwheel]
+enable = "cpython-freethreading"
+build-verbosity = 1
+environment-pass = ["CUDA_PYTHON_PARALLEL_LEVEL"]
+
+[tool.cibuildwheel.linux]
+archs = "native"
+# CIBW mounts the host filesystem under /host
+environment = { CUDA_PATH = "/host/$CUDA_PATH" }
+
+[tool.cibuildwheel.windows]
+before-build = "pip install delvewheel"
+repair-wheel-command = "delvewheel repair --namespace-pkg cuda -w {dest_dir} {wheel}"
+environment = { CUDA_HOME = "$(cygpath -w $CUDA_PATH)" }

cuda_core/pyproject.toml

@@ -108,3 +108,15 @@ exclude = ["cuda/core/_version.py"]
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401"]
 "setup.py" = ["F401"]
+
+[tool.cibuildwheel]
+enable = "cpython-freethreading"
+build-verbosity = 1
+environment-pass = ["CUDA_PYTHON_PARALLEL_LEVEL"]
+
+[tool.cibuildwheel.linux]
+archs = "native"
+
+[tool.cibuildwheel.windows]
+before-build = "pip install delvewheel"
+repair-wheel-command = "delvewheel repair --namespace-pkg cuda -w {dest_dir} {wheel}"