Add preliminary support for Python 3.14a2.

.github/workflows/tests.yml

@@ -103,6 +103,7 @@ jobs:
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
         os: [ubuntu-latest, macos-latest, windows-latest]
         exclude:
           - os: macos-latest
@@ -152,10 +153,16 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip-
 
+      - name: Install Build Dependencies (3.14)
+        if: matrix.python-version == '3.14'
+        run: |
+          pip install -U pip
+          pip install -U "setuptools < 74" wheel twine
       - name: Install Build Dependencies
+        if: matrix.python-version != '3.14'
         run: |
           pip install -U pip
-          pip install -U "setuptools <74" wheel twine
+          pip install -U "setuptools < 74" wheel twine
 
       - name: Build ExtensionClass (macOS x86_64)
         if: >
@@ -193,7 +200,15 @@ jobs:
           python setup.py build_ext -i
           python setup.py bdist_wheel
 
+      - name: Install ExtensionClass and dependencies (3.14)
+        if: matrix.python-version == '3.14'
+        run: |
+          # Install to collect dependencies into the (pip) cache.
+          # Use "--pre" here because dependencies with support for this future
+          # Python release may only be available as pre-releases
+          pip install --pre .[test]
       - name: Install ExtensionClass and dependencies
+        if: matrix.python-version != '3.14'
         run: |
           # Install to collect dependencies into the (pip) cache.
           pip install .[test]
@@ -236,6 +251,7 @@ jobs:
           && startsWith(github.ref, 'refs/tags')
           && !startsWith(runner.os, 'Linux')
           && !startsWith(matrix.python-version, 'pypy')
+          && !startsWith(matrix.python-version, '3.14')
         env:
           TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
         run: |
@@ -255,6 +271,7 @@ jobs:
           - "3.11"
           - "3.12"
           - "3.13"
+          - "3.14"
         os: [ubuntu-latest, macos-latest, windows-latest]
         exclude:
           - os: macos-latest
@@ -309,9 +326,24 @@ jobs:
         with:
           name: ExtensionClass-${{ runner.os }}-${{ matrix.python-version }}.whl
           path: dist/
+      - name: Install ExtensionClass ${{ matrix.python-version }}
+        if: matrix.python-version == '3.14'
+        run: |
+          pip install -U wheel "setuptools < 74"
+          # coverage might have a wheel on PyPI for a future python version which is
+          # not ABI compatible with the current one, so build it from sdist:
+          pip install -U --no-binary :all: coverage[toml]
+          # Unzip into src/ so that testrunner can find the .so files
+          # when we ask it to load tests from that directory. This
+          # might also save some build time?
+          unzip -n dist/ExtensionClass-*whl -d src
+          # Use "--pre" here because dependencies with support for this future
+          # Python release may only be available as pre-releases
+          pip install --pre -e .[test]
       - name: Install ExtensionClass
+        if: matrix.python-version != '3.14'
         run: |
-          pip install -U wheel "setuptools <74"
+          pip install -U wheel "setuptools < 74"
           pip install -U coverage[toml]
           pip install -U 'cffi; platform_python_implementation == "CPython"'
           # Unzip into src/ so that testrunner can find the .so files
@@ -436,6 +468,8 @@ jobs:
           name: manylinux_${{ matrix.image }}_wheels.zip
       - name: Restore pip cache permissions
         run: sudo chown -R $(whoami) ${{ steps.pip-cache-default.outputs.dir }}
+      - name: Prevent publishing wheels for unreleased Python versions
+        run: VER=$(echo '3.14' | tr -d .) && ls -al wheelhouse && sudo rm -f wheelhouse/*-cp${VER}*.whl && ls -al wheelhouse
       - name: Publish package to PyPI
         uses: pypa/gh-action-pypi-publish@release/v1
         if: >

.manylinux-install.sh

@@ -34,6 +34,7 @@ tox_env_map() {
         *"cp311"*) echo 'py311';;
         *"cp312"*) echo 'py312';;
         *"cp313"*) echo 'py313';;
+        *"cp314"*) echo 'py314';;
         *) echo 'py';;
     esac
 }
@@ -46,9 +47,15 @@ for PYBIN in /opt/python/*/bin; do
        [[ "${PYBIN}" == *"cp310/"* ]] || \
        [[ "${PYBIN}" == *"cp311/"* ]] || \
        [[ "${PYBIN}" == *"cp312/"* ]] || \
-       [[ "${PYBIN}" == *"cp313/"* ]] ; then
-        "${PYBIN}/pip" install -e /io/
-        "${PYBIN}/pip" wheel /io/ -w wheelhouse/
+       [[ "${PYBIN}" == *"cp313/"* ]] || \
+       [[ "${PYBIN}" == *"cp314/"* ]] ; then
+        if [[ "${PYBIN}" == *"cp314/"* ]] ; then
+            "${PYBIN}/pip" install --pre -e /io/
+            "${PYBIN}/pip" wheel /io/ --pre -w wheelhouse/
+        else
+            "${PYBIN}/pip" install -e /io/
+            "${PYBIN}/pip" wheel /io/ -w wheelhouse/
+        fi
         if [ `uname -m` == 'aarch64' ]; then
           cd /io/
           ${PYBIN}/pip install tox

.meta.toml

@@ -2,13 +2,13 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [meta]
 template = "c-code"
-commit-id = "d8a8b5ed"
+commit-id = "baf6089f"
 
 [python]
 with-windows = true
 with-pypy = true
 with-sphinx-doctests = false
-with-future-python = false
+with-future-python = true
 with-macos = false
 with-docs = false
 

CHANGES.rst

@@ -5,6 +5,7 @@
 6.1 (unreleased)
 ================
 
+- Add preliminary support for Python 3.14a2.
 
 6.0 (2024-09-17)
 ================

pyproject.toml

@@ -3,7 +3,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 
 [build-system]
-requires = ["setuptools<74"]
+requires = ["setuptools < 74"]
 build-backend = "setuptools.build_meta"
 
 [tool.coverage.run]

tox.ini

@@ -10,12 +10,14 @@ envlist =
     py311,py311-pure
     py312,py312-pure
     py313,py313-pure
+    py314,py314-pure
     pypy3
     coverage
 
 [testenv]
+pip_pre = py314: true
 deps =
-    setuptools  <74
+    setuptools < 74
 setenv =
     pure: PURE_PYTHON=1
     !pure-!pypy3: PURE_PYTHON=0
@@ -48,7 +50,7 @@ description = ensure that the distribution is ready to release
 basepython = python3
 skip_install = true
 deps =
-    setuptools <74
+    setuptools < 74
     twine
     build
     check-manifest