ci: use cibuildwheel for pyodide test

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

.github/workflows/build-wheels.yml

@@ -110,7 +110,6 @@ jobs:
         CIBW_BUILD: "${{ matrix.build }}*"
         CIBW_ARCHS: ${{ matrix.arch }}
       with:
-        config-file: cibuildwheel.toml
         package-dir: awkward-cpp
 
     - name: Check metadata
@@ -156,7 +155,6 @@ jobs:
         CIBW_BUILD: cp${{ matrix.python }}-*
         CIBW_ARCHS: ${{ matrix.arch }}
       with:
-        config-file: cibuildwheel.toml
         package-dir: awkward-cpp
 
     - name: Check metadata

.github/workflows/docs.yml

@@ -17,6 +17,35 @@ env:
   SOURCE_DATE_EPOCH: "1668811211"
 
 jobs:
+  awkward-cpp-wasm:
+    name: Build C++ WASM
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: Setup Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+
+    - name: Generate build files
+      run: pipx run nox -s prepare -- --headers --signatures --tests
+
+    - uses: pypa/[email protected]
+      with:
+        package-dir: awkward-cpp
+      env:
+        CIBW_PLATFORM: pyodide
+
+    - name: Upload wheel
+      uses: actions/upload-artifact@v4
+      with:
+        name: awkward-cpp-wasm
+        path: awkward-cpp/dist/awkward*wasm32.whl
+
+
   awkward-cpp-x86-64:
     runs-on: ubuntu-22.04
     name: Build C++ x86

.github/workflows/packaging-test.yml

@@ -73,15 +73,13 @@ jobs:
         CIBW_ARCHS_MACOS: universal2
         CIBW_BUILD: cp39-win_amd64 cp310-manylinux_x86_64 cp39-macosx_universal2
       with:
-        config-file: cibuildwheel.toml
         package-dir: awkward-cpp
 
     - uses: pypa/[email protected]
       if: matrix.os == 'ubuntu-latest'
       env:
         CIBW_BUILD: cp312-manylinux_x86_64
       with:
-        config-file: cibuildwheel.toml
         package-dir: awkward-cpp
 
     - name: Upload wheels

awkward-cpp/pyproject.toml

@@ -73,3 +73,38 @@ sdist.include = [
 [[tool.scikit-build.overrides]]
 if.platform-system = "darwin"
 cmake.version = ">=3.29"
+
+
+[tool.cibuildwheel]
+build-frontend = "build[uv]"
+test-requires = ["pytest>=6", "."]
+test-command = ["echo {project}:", "ls {project}", "echo {package}:", "ls {package}",
+"""
+pytest -p no:cacheprovider \
+       {project}/tests \
+       {package}/tests-cpu-kernels \
+       {package}/tests-cpu-kernels-explicit \
+       {package}/tests-spec \
+       {package}/tests-spec-explicit
+"""]
+skip = [
+    "pp*win*",
+    "pp*-manylinux_i686",
+]
+test-skip = [
+    "*universal2:arm64",
+    "pp*",
+    "*musllinux*",
+]
+build-verbosity = 1
+
+[tool.cibuildwheel.environment]
+PIP_ONLY_BINARY = "cmake,numpy"
+
+[[tool.cibuildwheel.overrides]]
+select = "cp313*"
+environment.PYO3_USE_ABI3_FORWARD_COMPATIBILITY = "1"
+
+[[tool.cibuildwheel.overrides]]
+select = "*pyodide*"
+build-frontend = {name = "build", args = ["--exports", "whole_archive"]}

cibuildwheel.toml

@@ -2,11 +2,9 @@
 
 from __future__ import annotations
 
-import multiprocessing
 import os
 import pickle
 import sys
-from concurrent.futures import ProcessPoolExecutor
 
 if sys.version_info < (3, 12):
     import importlib_metadata
@@ -22,10 +20,16 @@ def has_entry_point():
     return bool(importlib_metadata.entry_points(group="awkward.pickle.reduce").names)
 
 
-pytestmark = pytest.mark.skipif(
-    has_entry_point(),
-    reason="Custom pickler is already registered!",
-)
+if sys.platform.startswith("emscripten"):
+    pytestmark = pytest.mark.skip
+else:
+    import multiprocessing
+    from concurrent.futures import ProcessPoolExecutor
+
+    pytestmark = pytest.mark.skipif(
+        has_entry_point(),
+        reason="Custom pickler is already registered!",
+    )
 
 
 def _init_process_with_pickler(pickler_source: str, tmp_path):