Tag CPython wheels as abi3 (cp310-abi3); release 3.7.1

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "reynir"
-version = "3.7.0"
+version = "3.7.1"
 description = "A natural language parser for Icelandic"
 authors = [{ name = "Miðeind ehf.", email = "mideind@mideind.is" }]
 maintainers = [{ name = "Miðeind ehf.", email = "mideind@mideind.is" }]

setup.py

@@ -4,11 +4,23 @@
 All package metadata is defined in pyproject.toml.
 """
 
+import platform
+
 from setuptools import setup
 
+options = {}
+if platform.python_implementation() == "CPython":
+    # Tag CPython wheels with the stable ABI (e.g. cp310-abi3), so that a
+    # single wheel serves all CPython versions >= 3.10. The extension
+    # module itself is compiled with Py_LIMITED_API via the py_limited_api
+    # flag in eparser_build.py; this option makes the *wheel tag* reflect
+    # that. Not applicable to PyPy, which has no stable ABI.
+    options = {"bdist_wheel": {"py_limited_api": "cp310"}}
+
 # The cffi_modules and zip_safe settings are not yet supported in pyproject.toml
 # and must be defined here.
 setup(
     zip_safe=True,
     cffi_modules=["src/reynir/eparser_build.py:ffibuilder"],
+    options=options,
 )

src/reynir/eparser_build.py

@@ -152,7 +152,11 @@
 
 # Use the Python stable ABI (abi3) for CPython, allowing a single wheel
 # to work across multiple Python versions (3.9+). PyPy doesn't support abi3.
-py_limited_api = "cp39" if IMPLEMENTATION == "CPython" else False
+# Compile the extension against the stable ABI (Py_LIMITED_API) on
+# CPython, producing an _eparser.abi3.so module usable on any CPython
+# version >= 3.10. The matching cp310-abi3 wheel tag is set via the
+# bdist_wheel py_limited_api option in setup.py.
+py_limited_api = "cp310" if IMPLEMENTATION == "CPython" else False
 
 ffibuilder.cdef(declarations + callbacks)