Merge branch 'maintenance/pep517-cython-3-py312' into devel

PR #502
ansible · Nov 29, 2023 · 62db5aa · 62db5aa
2 parents 822c1a5 + 09ddbc9
commit 62db5aa
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diff --git a/docs/changelog-fragments/502.packaging.rst b/docs/changelog-fragments/502.packaging.rst
@@ -0,0 +1,6 @@
+The ``Cython`` build time dependency now has the minimum
+version of 3.0 under Python 3.12 and higher.
+-- by :user:`webknjaz`
+
+The previous versions of ``Cython`` are still able to build
+the project under older Python versions.
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,7 +1,8 @@
 [build-system]
 requires = [
   # Essentials
-  "Cython",  # needed by in-tree build backend `packaging/pep517_backend.py`
+  "Cython >= 3.0.0b3; python_version >= '3.12'",  # needed by in-tree build backend `packaging/pep517_backend.py`
+  "Cython; python_version < '3.12'",  # needed by in-tree build backend `packaging/pep517_backend.py`
   "setuptools>=45",  # needed by in-tree build backend `packaging/pep517_backend.py`
   "tomli; python_version < '3.11'",  # needed by in-tree build backend `packaging/pep517_backend.py`
   "expandvars",  # needed by in-tree build backend for env vars interpolation