ci: add Python 3.12 alpha 7+ (#922)

ci: try adding Python 3.12

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
     - name: Setup nox
       uses: wntrblm/nox@2022.11.21
       with:
-        python-versions: "3.7,3.8,3.9,3.10,3.11"
+        python-versions: "3.7,3.8,3.9,3.10,3.11,3.12-dev"
 
     # We check all Python's on Linux, because it's fast.
     # We check minimum Python and maximum Python on all OS's.
@@ -76,8 +76,12 @@ jobs:
       run: nox -s tests-3.9
     - name: Test on 🐍 3.10
       run: nox -s tests-3.10
+      if: runner.os == 'Linux'
     - name: Test on 🐍 3.11
       run: nox -s tests-3.11
+    - name: Test on 🐍 3.12
+      run: nox -s tests-3.12
+      if: runner.os == 'Linux'
 
   cygwin:
     name: Tests on 🐍 3.9 • cygwin

CHANGES.rst

@@ -28,33 +28,34 @@ tests on Linux. This release requires Python 3.7+.
 Bug fixes
 ---------
 
-* Match setuptools behavior for ``include_package_data`` default. by :user:`vyasr` in :pr:`873`
-* Misc. fixes for F2PY and PythonExtensions modules by :user:`benbovy` in :pr:`495`
-* Provide more useful error if user provides ``CMAKE_INSTALL_PREFIX`` by :user:`vyasr` in :pr:`872`
-* Stop assuming that ``.pyx`` files are in the same directory as ``CMakeLists.txt`` by :user:`vyasr` in :pr:`871`
-* Allow build type overriding in :pr:`902`
-* Detect PyPy library correctly on Windows by user:`gershnik` in :pr:`904`
+* Match setuptools behavior for ``include_package_data`` default. by :user:`vyasr` in :pr:`873`.
+* Misc. fixes for F2PY and PythonExtensions modules by :user:`benbovy` in :pr:`495`.
+* Provide more useful error if user provides ``CMAKE_INSTALL_PREFIX`` by :user:`vyasr` in :pr:`872`.
+* Stop assuming that ``.pyx`` files are in the same directory as ``CMakeLists.txt`` by :user:`vyasr` in :pr:`871`.
+* Allow build type overriding in :pr:`902`.
+* Detect PyPy library correctly on Windows by user:`gershnik` in :pr:`904`.
 * Include library for FindPython for better Windows cross-compiles in :pr:`913`. Thanks to user:`maxbachmann` for testing.
 * Fix logic for default generator when cross-compiling for ARM on Windows in :pr:`917` by :user:`dlech`.
-* Use f2py's ``get_include`` if present in :pr:`877`
-* Fix support for cross-compilation exception using ``targetLinkLibrariesWithDynamicLookup`` by :user:`erykoff` in :pr:`901`
+* Use f2py's ``get_include`` if present in :pr:`877`.
+* Fix support for cross-compilation exception using ``targetLinkLibrariesWithDynamicLookup`` by :user:`erykoff` in :pr:`901`.
 * Treat empty ``MACOSX_DEPLOYMENT_TARGET`` as if it was unset in :pr:`918`.
 
 Testing
 -------
 
-* Add hello fortran sample package + tests by :user:`benbovy` in :pr:`493`
-* Add sdist check & fix in :pr:`906`
-* Fix some setuptools types in :pr:`888`
-* Add PyPy Win & macOS to the CI in :pr:`907`
+* Add hello fortran sample package + tests by :user:`benbovy` in :pr:`493`.
+* Add sdist check & fix in :pr:`906`.
+* Fix some setuptools types in :pr:`888`.
+* Add PyPy Win & macOS to the CI in :pr:`907`.
+* Add tests for Python 3.12 Linux alphas in :pr:`922`.
 
 Miscellaneous
 -------------
 
-* Drop Python 3.6 in :pr:`862`
-* Move building backend to hatchling in :pr:`870`
-* Avoid mutating function input parameters in :pr:`899`
-* Use _compat/typing name in :pr:`869`
+* Drop Python 3.6 in :pr:`862`.
+* Move building backend to hatchling in :pr:`870`.
+* Avoid mutating function input parameters in :pr:`899`.
+* Use _compat/typing name in :pr:`869`.
 
 .. END-BRIEF-CHANGELOG
 

noxfile.py

@@ -7,7 +7,7 @@
 
 nox.options.sessions = ["lint", "tests"]
 
-PYTHON_ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "pypy3.7", "pypy3.8", "pypy3.9"]
+PYTHON_ALL_VERSIONS = ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "pypy3.7", "pypy3.8", "pypy3.9"]
 MSVC_ALL_VERSIONS = {"2017", "2019", "2022"}
 
 if os.environ.get("CI", None):
@@ -40,7 +40,7 @@ def tests(session: nox.Session) -> None:
             contained = "1" if version in known_MSVC else "0"
             env[f"SKBUILD_TEST_FIND_VS{version}_INSTALLATION_EXPECTED"] = contained
 
-    numpy = [] if "pypy" in session.python else ["numpy"]
+    numpy = [] if "pypy" in session.python or "3.12" in session.python else ["numpy"]
 
     # Latest versions may break things, so grab them for testing!
     session.install("-U", "setuptools", "wheel")

pyproject.toml

@@ -181,6 +181,7 @@ filterwarnings = [
   'default:shell/Perl-style subs.* are deprecated:DeprecationWarning',
   'default:subprocess .* is still running:ResourceWarning',
   'ignore: pkg_resources is deprecated as an API:DeprecationWarning',
+  'ignore:onerror argument is deprecated, use onexc instead:DeprecationWarning',  # Caused by wheel and Python 3.12
 ]
 log_cli_level = "info"
 markers = [

tests/conftest.py

@@ -24,6 +24,7 @@
 
 @pytest.fixture(scope="session")
 def pep518_wheelhouse(tmpdir_factory):
+    numpy = ["numpy"] if sys.version_info < (3, 12) else []
     wheelhouse = tmpdir_factory.mktemp("wheelhouse")
     dist = tmpdir_factory.mktemp("dist")
     subprocess.run([sys.executable, "-m", "build", "--wheel", "--outdir", str(dist)], cwd=BASE, check=True)
@@ -43,7 +44,7 @@ def pep518_wheelhouse(tmpdir_factory):
             "wheel",
             "ninja",
             "cmake",
-            "numpy",
+            *numpy,
         ],
         check=True,
     )

tests/test_numpy.py

@@ -18,6 +18,10 @@
     platform.python_implementation() == "PyPy" and sys.version_info >= (3, 9),
     reason="NumPy not released for PyPy 3.9 yet",
 )
+@pytest.mark.skipif(
+    sys.version_info >= (3, 12),
+    reason="NumPy not released for Python 3.12 yet",
+)
 @pytest.mark.usefixtures("pep518")
 def test_pep518_findpython():
     subprocess.run([sys.executable, "-m", "build", "--wheel"], cwd=HELLO_NUMPY, check=True)