✨ Python 3.13 Support

.github/workflows/cd.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   python-packaging:
     name: 🐍 Packaging
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-packaging.yml@v1.1.5
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-packaging.yml@v1.2.1
 
   deploy:
     if: github.event_name == 'release' && github.event.action == 'published'

.github/workflows/ci.yml

@@ -14,13 +14,13 @@ concurrency:
 jobs:
   change-detection:
     name: 🔍 Change
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-change-detection.yml@v1.1.5
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-change-detection.yml@v1.2.1
 
   cpp-tests:
     name: 🇨‌ Test
     needs: change-detection
     if: fromJSON(needs.change-detection.outputs.run-cpp-tests)
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-cpp-ci.yml@v1.1.5
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-cpp-ci.yml@v1.2.1
     with:
       cmake-args: ""
       cmake-args-ubuntu: -G Ninja
@@ -31,19 +31,21 @@ jobs:
     name: 🇨‌ Lint
     needs: change-detection
     if: fromJSON(needs.change-detection.outputs.run-cpp-linter)
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-cpp-linter.yml@v1.1.5
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-cpp-linter.yml@v1.2.1
 
   python-tests:
     name: 🐍 Test
     needs: change-detection
     if: fromJSON(needs.change-detection.outputs.run-python-tests)
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-ci.yml@v1.1.5
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-python-ci.yml@v1.2.1
+    with:
+      skip-testing-latest-python: true
 
   code-ql:
     name: 📝 CodeQL
     needs: change-detection
     if: fromJSON(needs.change-detection.outputs.run-code-ql)
-    uses: cda-tum/mqt-workflows/.github/workflows/reusable-code-ql.yml@v1.1.5
+    uses: cda-tum/mqt-workflows/.github/workflows/reusable-code-ql.yml@v1.2.1
 
   required-checks-pass: # This job does nothing and is only used for branch protection
     name: 🚦 Check

cmake/ExternalDependencies.cmake

@@ -16,7 +16,7 @@ if(BUILD_MQT_QCEC_BINDINGS)
   endif()
 
   # add pybind11 library
-  find_package(pybind11 CONFIG REQUIRED)
+  find_package(pybind11 2.13 CONFIG REQUIRED)
 endif()
 
 # cmake-format: off

noxfile.py

@@ -18,7 +18,7 @@
 
 nox.options.sessions = ["lint", "tests"]
 
-PYTHON_ALL_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+PYTHON_ALL_VERSIONS = ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
 # The following lists all the build requirements for building the package.
 # Note that this includes transitive build dependencies of package dependencies,
@@ -28,7 +28,7 @@
 BUILD_REQUIREMENTS = [
     "scikit-build-core[pyproject]>=0.8.1",
     "setuptools_scm>=7",
-    "pybind11>=2.12",
+    "pybind11>=2.13",
     "wheel>=0.40",  # transitive dependency of pytest on Windows
 ]
 

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["scikit-build-core>=0.8.1", "setuptools-scm>=7", "pybind11>=2.12"]
+requires = ["scikit-build-core>=0.8.1", "setuptools-scm>=7", "pybind11>=2.13"]
 build-backend = "scikit_build_core.build"
 
 [project]
@@ -30,6 +30,7 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Development Status :: 5 - Production/Stable",
     "Typing :: Typed",
 ]
@@ -267,8 +268,9 @@ build = "cp3*"
 skip = "*-musllinux_*"
 archs = "auto64"
 test-command = "python -c \"from mqt import qcec\""
-test-skip = "cp38-macosx_arm64"
+test-skip = ["cp38-macosx_arm64", "cp313*"] # skip testing on Python 3.13 until our dependencies are ready
 build-frontend = "build[uv]"
+free-threaded-support = true
 
 [tool.cibuildwheel.linux]
 environment = { DEPLOY="ON" }
@@ -277,6 +279,6 @@ environment = { DEPLOY="ON" }
 environment = { MACOSX_DEPLOYMENT_TARGET = "10.15" }
 
 [tool.cibuildwheel.windows]
-before-build = "pip install delvewheel>=1.4.0"
+before-build = "pip install delvewheel>=1.7.3"
 repair-wheel-command = "delvewheel repair -v -w {dest_dir} {wheel} --namespace-pkg mqt"
 environment = { CMAKE_ARGS = "-T ClangCL" }

src/python/bindings.cpp

@@ -61,7 +61,7 @@ createManagerFromConfiguration(const py::object& circ1, const py::object& circ2,
 }
 } // namespace
 
-PYBIND11_MODULE(pyqcec, m) {
+PYBIND11_MODULE(pyqcec, m, py::mod_gil_not_used()) {
   m.doc() = "Python interface for the MQT QCEC quantum circuit equivalence "
             "checking tool";