⬆️ support Python 3.12

.github/workflows/CI.yml

@@ -27,7 +27,7 @@ jobs:
         os:
           - Ubuntu
         py:
-          # - "3.12"
+          - "3.12"
           - "3.11"
           - "3.10"
           - "3.9"
@@ -58,7 +58,7 @@ jobs:
         run: uv python install ${{ matrix.py }} && uv python pin ${{ matrix.py }} && uv venv --python ${{ matrix.py }}
       - name: Override ray==${{ matrix.ray }} dagster==${{ matrix.dagster }}
         id: override
-        run: uv add --no-sync "ray[all]==${{ matrix.ray }}" "dagster==${{ matrix.dagster }}" || echo SKIP=1 >> $GITHUB_OUTPUT
+        run: (python scripts/check_deps.py --python ${{ matrix.py }} --dagster ${{ matrix.dagster }} --ray ${{ matrix.ray }} && uv add --no-sync "ray[all]==${{ matrix.ray }}" "dagster==${{ matrix.dagster }}") || echo SKIP=1 >> $GITHUB_OUTPUT
       - name: Install dependencies
         run: uv sync --all-extras --dev
         if: ${{ steps.override.outputs.SKIP != '1' }}

pyproject.toml

@@ -16,10 +16,10 @@ keywords = [
     "distributed",
 ]
 classifiers = [
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
     "Topic :: Software Development :: Libraries :: Python Modules",

scripts/check_deps.py

@@ -0,0 +1,31 @@
+from argparse import ArgumentParser
+
+from packaging.version import Version
+
+parser = ArgumentParser()
+
+parser.add_argument("--python", type=Version, help="Python version")
+parser.add_argument("--dagster", type=Version, help="Dagster version")
+parser.add_argument("--ray", type=Version, help="Dagster version")
+
+
+def check_python_312(
+    python: Version,
+    dagster: Version,
+    ray: Version,
+):
+    if python >= Version("3.12") and ray < Version("2.37.0"):
+        raise RuntimeError("Ray version must be >=2.37.0 for Python >=3.12")
+
+
+def main():
+    args = parser.parse_args()
+    check_python_312(
+        python=args.python,
+        dagster=args.dagster,
+        ray=args.ray,
+    )
+
+
+if __name__ == "__main__":
+    main()