Experiment with limited API

astropy · Aug 23, 2022 · 67178fa · 67178fa
1 parent f191a3b
commit 67178fa
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Showing 3 changed files with 11 additions and 3 deletions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["setuptools",
             "wheel",
             "extension-helpers",
             "oldest-supported-numpy",
-            "cython==0.29.21"]
+            "cython==3.0.0a11"]
 build-backend = 'setuptools.build_meta'
 
 [tool.cibuildwheel]

diff --git a/reproject/spherical_intersect/setup_package.py b/reproject/spherical_intersect/setup_package.py
@@ -23,7 +23,10 @@ def get_extensions():
     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', '0x030800f0'))
+    define_macros.append(('Py_LIMITED_API', '0x030800f0'))
 
     extension = Extension(
         name="reproject.spherical_intersect._overlap",
@@ -32,6 +35,8 @@ def get_extensions():
         libraries=libraries,
         language="c",
         extra_compile_args=['-O2'],
-        define_macros=define_macros)
+        define_macros=define_macros,
+        py_limited_api=True,
+        )
 
     return [extension]
diff --git a/setup.cfg b/setup.cfg
@@ -108,3 +108,6 @@ length_sort_stdlib = True
 
 [flake8]
 max-line-length = 100
+
+[bdist_wheel]
+py_limited_api = cp38