ci: try cibuildwheel pyodide

.github/workflows/emscripten.yaml

@@ -26,10 +26,10 @@ jobs:
 
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install pyodide-build
-        run: pip install pyodide-build==0.25.1
+        run: pip install pyodide-build==0.26.0a6
 
       - name: Compute emsdk version
         id: compute-emsdk-version
@@ -65,3 +65,26 @@ jobs:
         with:
           name: emscripten-wheel
           path: dist/*.whl
+
+  build-pyodide:
+    name: Pyodide cibuildwheel
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+          fetch-depth: 0
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - uses: hoodmane/cibuildwheel@emscripten
+        env:
+          CIBW_PLATFORM: pyodide
+
+      - name: Upload wheels
+        uses: actions/upload-artifact@v4
+        with:
+          name: pyodide-wheel
+          path: wheelhouse/*.whl

pyproject.toml

@@ -156,7 +156,7 @@ ignore_missing_imports = true
 
 [tool.cibuildwheel]
 test-extras = "test"
-test-command = "pytest --benchmark-disable {project}/tests"
+test-command = "python -m pytest --benchmark-disable {project}/tests"
 test-skip = [
   "pp37-*",
   "pp38-*",
@@ -169,6 +169,13 @@ environment-pass = ["SETUPTOOLS_SCM_PRETEND_VERSION"]
 environment.PIP_ONLY_BINARY = "numpy"
 environment.PIP_PREFER_BINARY = "1"
 
+[[tool.cibuildwheel.overrides]]
+select = "*pyodide*"
+inherit.environment = "append"
+environment.CFLAGS = "-fexceptions"
+environment.LDFLAGS = "-fexceptions"
+build-frontend = {name = "build", args = ["--exports", "whole_archive"]}
+
 
 [tool.pylint]
 py-version = "3.7"