Add preliminary support for Python 3.12a5. (#57)

7 files changed, 51 insertions, 10 deletions

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 71ec718..d7d5f80 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -96,16 +96,17 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "pypy-3.7"
+          - "pypy-3.9"
           - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12.0-alpha.5"
         os: [ubuntu-20.04, macos-11]
         exclude:
           - os: macos-11
-            python-version: "pypy-3.7"
+            python-version: "pypy-3.9"
 
     steps:
       - name: checkout
@@ -177,7 +178,15 @@ jobs:
           python setup.py build_ext -i
           python setup.py bdist_wheel
 
+      - name: Install zope.proxy and dependencies (3.12.0-alpha.5)
+        if: matrix.python-version == '3.12.0-alpha.5'
+        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 zope.proxy and dependencies
+        if: matrix.python-version != '3.12.0-alpha.5'
         run: |
           # Install to collect dependencies into the (pip) cache.
           pip install .[test]
@@ -221,6 +230,7 @@ jobs:
           && startsWith(github.ref, 'refs/tags')
           && startsWith(runner.os, 'Mac')
           && !startsWith(matrix.python-version, 'pypy')
+          && !startsWith(matrix.python-version, '3.12.0-alpha.5')
         env:
           TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}
         run: |
@@ -233,16 +243,17 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "pypy-3.7"
+          - "pypy-3.9"
           - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12.0-alpha.5"
         os: [ubuntu-20.04, macos-11]
         exclude:
           - os: macos-11
-            python-version: "pypy-3.7"
+            python-version: "pypy-3.9"
 
     steps:
       - name: checkout
@@ -275,7 +286,22 @@ jobs:
         with:
           name: zope.proxy-${{ runner.os }}-${{ matrix.python-version }}.whl
           path: dist/
+      - name: Install zope.proxy 3.12.0-alpha.5
+        if: ${{ startsWith(matrix.python-version, '3.12.0-alpha.5') }}
+        run: |
+          pip install -U wheel setuptools
+          # coverage has 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
+          # 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/zope.proxy-*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 -U -e .[test]
       - name: Install zope.proxy
+        if: ${{ !startsWith(matrix.python-version, '3.12.0-alpha.5') }}
         run: |
           pip install -U wheel setuptools
           pip install -U coverage
diff --git a/.manylinux-install.sh b/.manylinux-install.sh
index 01b847c..2c375d1 100755
--- a/.manylinux-install.sh
+++ b/.manylinux-install.sh
@@ -28,6 +28,7 @@ yum -y install libffi-devel
 
 tox_env_map() {
     case $1 in
+        *"cp312"*) echo 'py312';;
         *"cp37"*) echo 'py37';;
         *"cp38"*) echo 'py38';;
         *"cp39"*) echo 'py39';;
@@ -40,13 +41,19 @@ tox_env_map() {
 # Compile wheels
 for PYBIN in /opt/python/*/bin; do
     if \
+       [[ "${PYBIN}" == *"cp312"* ]] || \
        [[ "${PYBIN}" == *"cp311"* ]] || \
        [[ "${PYBIN}" == *"cp37"* ]] || \
        [[ "${PYBIN}" == *"cp38"* ]] || \
        [[ "${PYBIN}" == *"cp39"* ]] || \
        [[ "${PYBIN}" == *"cp310"* ]] ; then
-        "${PYBIN}/pip" install -e /io/
-        "${PYBIN}/pip" wheel /io/ -w wheelhouse/
+        if [[ "${PYBIN}" == *"cp312"* ]] ; 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
diff --git a/.meta.toml b/.meta.toml
index 3047eae..bea57f8 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,13 +2,13 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [meta]
 template = "c-code"
-commit-id = "3c9d0741"
+commit-id = "1514f236"
 
 [python]
 with-appveyor = true
 with-windows = false
 with-pypy = true
-with-future-python = false
+with-future-python = true
 with-docs = true
 with-sphinx-doctests = true
 with-macos = false
diff --git a/CHANGES.rst b/CHANGES.rst
index 19694aa..a9e9d31 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,6 +5,8 @@
 5.1 (unreleased)
 ----------------
 
+- Add preliminary support for Python 3.12a5.
+
 
 5.0.0 (2023-01-18)
 ==================
diff --git a/appveyor.yml b/appveyor.yml
index fbf5dda..0052f2a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -14,6 +14,9 @@ environment:
     - python: 39-x64
     - python: 310-x64
     - python: 311-x64
+    # `multibuild` cannot install non-final versions as they are not on
+    # ftp.python.org, so we skip Python 3.11 until its final release:
+    # - python: 312-x64
 
 install:
   - "SET PYTHONVERSION=%PYTHON%"
diff --git a/setup.cfg b/setup.cfg
index 200d225..016a07e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -24,7 +24,7 @@ ignore =
 force_single_line = True
 combine_as_imports = True
 sections = FUTURE,STDLIB,THIRDPARTY,ZOPE,FIRSTPARTY,LOCALFOLDER
-known_third_party = six, docutils, pkg_resources
+known_third_party = six, docutils, pkg_resources, pytz
 known_zope =
 known_first_party =
 default_section = ZOPE
diff --git a/tox.ini b/tox.ini
index 41da75d..e027723 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,7 +1,7 @@
 # Generated from:
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [tox]
-minversion = 3.18
+minversion = 4.0
 envlist =
     lint
     py37,py37-pure
@@ -9,13 +9,16 @@ envlist =
     py39,py39-pure
     py310,py310-pure
     py311,py311-pure
+    py312,py312-pure
     pypy3
     docs
     coverage
 
 [testenv]
 usedevelop = true
+pip_pre = py312: true
 deps =
+    Sphinx
 setenv =
     pure: PURE_PYTHON=1
     !pure-!pypy3: PURE_PYTHON=0