Do not merge: Experiment with Python limited API (take 2)

.github/workflows/ci_workflows.yml

@@ -18,19 +18,15 @@ jobs:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@8c0fde6f7e926df6ed7057255d29afa9c1ad5320  # v1.16.0
     with:
       envs: |
-        - macos: py310-test-oldestdeps
-        - macos: py311-test
+        - macos: py311-test-oldestdeps
         - macos: py312-test
         - macos: py313-test
-        - linux: py310-test-oldestdeps
-        - linux: py311-test
+        - linux: py311-test-oldestdeps
         - linux: py312-test
           runs-on: ubuntu-24.04-arm
-        - linux: py313-test
-        - linux: py312-test-devdeps
-        - windows: py310-test-oldestdeps
+        - linux: py313-test-devdeps
+        - windows: py311-test-oldestdeps
         - windows: py311-test
-        - windows: py312-test
         - windows: py313-test
       libraries: |
         apt:

.readthedocs.yaml

@@ -2,7 +2,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.10"
+    python: "3.11"
   apt_packages:
     - graphviz
 

pyproject.toml

@@ -8,7 +8,7 @@ authors = [
 license = {text = "BSD 3-Clause"}
 description = "Reproject astronomical images"
 urls = {Homepage = "https://reproject.readthedocs.io"}
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dependencies = [
     "numpy>=1.23",
     "astropy>=5.0",
@@ -47,8 +47,8 @@ docs = [
 requires = ["setuptools",
             "setuptools_scm",
             "extension-helpers==1.*",
-            "numpy>=2.0.0rc1",
-            "cython>=3.0,<3.1"]
+            "numpy>=2",
+            "cython>=3.1"]
 build-backend = 'setuptools.build_meta'
 
 [tool.setuptools]

reproject/adaptive/setup_package.py

@@ -0,0 +1,33 @@
+import os
+
+import numpy as np
+from setuptools import Extension
+
+ADAPTIVE_SUBPKG = os.path.dirname(__file__)
+
+
+def get_extensions():
+    libraries = []
+
+    sources = []
+    sources.append(os.path.join(ADAPTIVE_SUBPKG, "deforest.pyx"))
+
+    include_dirs = [np.get_include()]
+
+    define_macros = []
+
+    define_macros.append(("CYTHON_LIMITED_API", "0x030B0000"))
+    define_macros.append(("Py_LIMITED_API", "0x030B0000"))
+
+    extension = Extension(
+        name="reproject.adaptive.deforest",
+        sources=sources,
+        include_dirs=include_dirs,
+        libraries=libraries,
+        language="c",
+        extra_compile_args=["-O2"],
+        define_macros=define_macros,
+        py_limited_api=True,
+    )
+
+    return [extension]

reproject/spherical_intersect/setup_package.py

@@ -23,7 +23,10 @@
     if int(os.environ.get("DEBUG_OVERLAP_AREA", 0)):
         define_macros = [("DEBUG_OVERLAP_AREA", 1)]
     else:
-        define_macros = None
+        define_macros = []
+
+    define_macros.append(("CYTHON_LIMITED_API", "0x030B0000"))
+    define_macros.append(("Py_LIMITED_API", "0x030B0000"))
 
     extension = Extension(
         name="reproject.spherical_intersect._overlap",
@@ -33,6 +36,7 @@
         language="c",
         extra_compile_args=["-O2"],
         define_macros=define_macros,
+        py_limited_api=True,
     )
 
     return [extension]

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{310,311,312}-{test}{,-oldestdeps,-numpy121}
+    py{311,312,313}-{test}{,-oldestdeps,-numpy121}
     build_docs
     codestyle
 isolated_build = True