CI/CD: add more wheels

.github/workflows/main.yml

@@ -58,8 +58,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # macos-13 is an intel runner, macos-14 is apple silicon
-        os: [ubuntu-latest, windows-latest, macos-13, macos-14]
+        # macos-13 is an intel runner, macos-latest is apple silicon
+        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, macos-13, macos-latest]
 
     steps:
       - uses: actions/checkout@v4
@@ -85,16 +85,13 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-13, macos-14]
         # https://github.com/scipy/oldest-supported-numpy/blob/main/setup.cfg
         ver:
-          - { py: "3.8", np: "==1.20.0" }
           - { py: "3.9", np: "==1.20.0" }
           - { py: "3.10", np: "==1.21.6" }
           - { py: "3.11", np: "==1.23.2" }
           - { py: "3.12", np: "==1.26.2" }
           - { py: "3.13", np: "==2.1.0" }
           - { py: "3.13", np: ">=2.1.0" }
         exclude:
-          - os: macos-14
-            ver: { py: "3.8", np: "==1.20.0" }
           - os: macos-14
             ver: { py: "3.9", np: "==1.20.0" }
           - os: macos-14

pyproject.toml

@@ -1,16 +1,16 @@
 [build-system]
 requires = [
     "setuptools>=64",
+    "setuptools<72.2; implementation_name == 'pypy'", # https://github.com/pypa/distutils/issues/283
     "setuptools_scm>=7",
-    "numpy>=2.0.0rc1; python_version >= '3.9'",
-    "oldest-supported-numpy; python_version < '3.9'",
+    "numpy>=2.0.0rc1",
     "Cython>=3.0.10,<3.1.0",
     "extension-helpers>=1",
 ]
 build-backend = "setuptools.build_meta"
 
 [project]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 name = "gstools_cython"
 description = "Cython backend for GSTools."
 authors = [
@@ -33,7 +33,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -91,11 +90,11 @@ multi_line_output = 3
 
 [tool.black]
 target-version = [
-    "py38",
     "py39",
     "py310",
     "py311",
     "py312",
+    "py313",
 ]
 
 [tool.coverage]
@@ -144,8 +143,10 @@ target-version = [
 [tool.cibuildwheel]
 # Switch to using build
 build-frontend = "build"
-# Disable building PyPy wheels on all platforms, 32bit for py3.10/11/12, musllinux builds, py3.6/7
-skip = ["cp36-*", "cp37-*", "pp*", "*-win32", "*-manylinux_i686", "*-musllinux_*"]
+# explicitly enable pypy
+enable = ["pypy"]
+# Disable building py3.6/7/8, pp3.8, 32bit linux
+skip = ["cp36-*", "cp37-*", "cp38-*", "pp38-*", "*_i686"]
 # Run the package tests using `pytest`
 test-extras = "test"
 test-command = "pytest -v {package}/tests"