Conformant wheel building and testing. (#31)

* CI testing and limited ABI wheels.

* Bump osx deployment target.

* Change osx arch config.

* Fix runner version.

* Try fix arch.

.github/workflows/wheel.yml

@@ -1,33 +1,60 @@
-name: Wheel
+name: Wheel and Test
 
 on: workflow_dispatch
 
 jobs:
   build:
     runs-on: ${{ matrix.config.os }}
-    name: Build on ${{ matrix.config.os }}
+    name: Build ${{ matrix.config.os }}-${{ matrix.config.arch }}
     strategy:
-      fail-fast: false
       matrix:
         config:
-          - { os: "ubuntu-20.04", build-dir: "build-linux" }
-          - { os: "windows-2019", build-dir: "build-windows" }
-          - { os: "macos-11", build-dir: "build-macos" }
+          - { os: "ubuntu-20.04", arch: "auto64" }
+          - { os: "windows-2019", arch: "auto64" }
+          - { os: "macos-11", arch: "auto64" }
+          - { os: "macos-11", arch: "universal2" }
     steps:
       - uses: actions/checkout@v2
         with:
           submodules: "true"
       - name: Install Dependencies
         run: |
           python3 -m pip install wheel
-      - name: Wheel
-        run: |
-          python3 setup.py bdist_wheel
+      - name: Build Wheels
+        uses: pypa/[email protected]
+        env:
+          CIBW_ARCHS: ${{ matrix.config.arch }}
+          CIBW_BUILD: cp36-* cp38-macosx_universal2
+          MACOSX_DEPLOYMENT_TARGET: "10.14"
       - name: List Build Results
         run: |
-          ls dist
+          ls wheelhouse
       - name: Upload Artifacts
         uses: actions/upload-artifact@v3
         with:
-          name: ${{ matrix.config.os }}-build-wheel
-          path: ./dist/*.whl
+          name: wheels
+          path: ./wheelhouse/*.whl
+  run:
+    name: Test on ${{ matrix.os }} with python ${{ matrix.python-version }}
+    needs: [build]
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04, windows-2019, macos-11]
+        python-version: ['3.6', '3.11']
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - uses: actions/download-artifact@v2
+        with:
+          name: wheels
+          path: built_wheels
+      - name: Install Dependencies
+        run: python -m pip install trimesh numpy
+      - name: Install Packages
+        run: python -m pip install --no-index --find-links=./built_wheels coacd
+      - name: Run Tests
+        run: python run_tests.py -v

python/package/__init__.py

@@ -15,10 +15,10 @@
 )
 
 
-try:
-    _lib = ctypes.CDLL(os.path.join(os.path.dirname(__file__), "lib_coacd.so"))
-except OSError:
-    _lib = ctypes.CDLL(os.path.join(os.path.dirname(__file__), "lib_coacd.dll"))
+_lib_files = os.listdir(os.path.dirname(os.path.abspath(__file__)))
+for _file in _lib_files:
+    if _file.startswith("lib_coacd"):
+        _lib = ctypes.CDLL(os.path.join(os.path.dirname(os.path.abspath(__file__)), _file))
 
 
 class CoACD_Mesh(ctypes.Structure):

run_tests.py

@@ -0,0 +1,26 @@
+import trimesh
+import os
+import glob
+import coacd
+import unittest
+
+
+class TestExamples(unittest.TestCase):
+    @staticmethod
+    def single(input_file):
+
+        def _test(self: 'TestExamples'):
+            coacd.set_log_level("warn")
+            mesh = trimesh.load(input_file, force="mesh")
+            mesh = coacd.Mesh(mesh.vertices, mesh.faces)
+            self.assertLessEqual(len(coacd.run_coacd(mesh)), 1000)
+
+        return _test
+
+
+for f in glob.glob("examples/*.obj"):
+    setattr(TestExamples, f'test_{os.path.splitext(os.path.basename(f))[0].lower()}', TestExamples.single(f))
+
+
+if __name__ == '__main__':
+    unittest.main()

setup.py

@@ -4,8 +4,20 @@
 import platform
 import subprocess
 
-from setuptools import setup, find_packages, Extension
+from setuptools import setup, Extension
 from setuptools.command.build_ext import build_ext
+from wheel.bdist_wheel import bdist_wheel
+
+
+class bdist_wheel_abi3(bdist_wheel):
+    def get_tag(self):
+        python, abi, plat = super().get_tag()
+
+        if python.startswith("cp"):
+            # on CPython, our wheels are abi3 and compatible back to 3.6
+            return python, "abi3", plat
+
+        return python, abi, plat
 
 
 class CMakeExtension(Extension):
@@ -91,7 +103,7 @@ def build_extension(self, ext):
     python_requires=">=3.6",
     install_requires=["numpy"],
     ext_modules=[CMakeExtension("coacd")],
-    cmdclass={"build_ext": CMakeBuild},
+    cmdclass={"build_ext": CMakeBuild, "bdist_wheel": bdist_wheel_abi3},
     zip_safe=False,
     package_dir={"coacd": os.path.join("python/package")},
     scripts=["python/package/bin/coacd"]