Add support for Python 3.10. (#48)

* Fix badge.

8 files changed, 48 insertions, 41 deletions

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b66af7a..65a0412 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -92,24 +92,26 @@ jobs:
     # with `test`, and `docs` must use a subset.
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         python-version:
-          - 2.7
-          - 3.5
-          - pypy-2.7
-          - pypy-3.6
-          - 3.6
-          - 3.7
-          - 3.8
-          - 3.9
+          - "2.7"
+          - "3.5"
+          - "pypy-2.7"
+          - "pypy-3.7"
+          - "3.6"
+          - "3.7"
+          - "3.8"
+          - "3.9"
+          - "3.10"
         os: [ubuntu-20.04, macos-latest]
         exclude:
           - os: macos-latest
-            python-version: pypy-2.7
+            python-version: "pypy-2.7"
           - os: macos-latest
-            python-version: pypy-3.6
+            python-version: "pypy-3.6"
           - os: macos-latest
-            python-version: 3.5
+            python-version: "3.5"
 
     steps:
       - name: checkout
@@ -177,24 +179,26 @@ jobs:
     needs: build-package
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         python-version:
-          - 2.7
-          - 3.5
-          - pypy-2.7
-          - pypy-3.6
-          - 3.6
-          - 3.7
-          - 3.8
-          - 3.9
+          - "2.7"
+          - "3.5"
+          - "pypy-2.7"
+          - "pypy-3.7"
+          - "3.6"
+          - "3.7"
+          - "3.8"
+          - "3.9"
+          - "3.10"
         os: [ubuntu-20.04, macos-latest]
         exclude:
           - os: macos-latest
-            python-version: pypy-2.7
+            python-version: "pypy-2.7"
           - os: macos-latest
-            python-version: pypy-3.6
+            python-version: "pypy-3.6"
           - os: macos-latest
-            python-version: 3.5
+            python-version: "3.5"
 
     steps:
       - name: checkout
@@ -229,7 +233,7 @@ jobs:
           path: dist/
       - name: Install zope.proxy
         run: |
-          pip install -U wheel
+          pip install -U wheel setuptools
           pip install -U coverage coverage-python-version
           pip install -U 'faulthandler; python_version == "2.7" and platform_python_implementation == "CPython"'
           # Unzip into src/ so that testrunner can find the .so files
@@ -270,7 +274,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: ["3.9"]
         os: [ubuntu-20.04]
 
     steps:
@@ -309,8 +313,6 @@ jobs:
           pip install -U wheel
           pip install -U coverage
           pip install -U  "`ls dist/zope.proxy-*.whl`[docs]"
-          # Until repoze.sphinx.autointerface supports Sphinx 4.x we cannot use it:
-          pip install -U "Sphinx < 4"
       - name: Build docs
         env:
           ZOPE_INTERFACE_STRICT_IRO: 1
@@ -323,7 +325,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: ["3.9"]
         os: [ubuntu-20.04]
 
     steps:
@@ -375,7 +377,7 @@ jobs:
     # We use a regular Python matrix entry to share as much code as possible.
     strategy:
       matrix:
-        python-version: [3.9]
+        python-version: ["3.9"]
         image: [manylinux2010_x86_64, manylinux2010_i686, manylinux2014_aarch64]
 
     steps:
diff --git a/.manylinux-install.sh b/.manylinux-install.sh
index 57220ed..c730ec9 100755
--- a/.manylinux-install.sh
+++ b/.manylinux-install.sh
@@ -23,14 +23,19 @@ fi
 ls -ld /cache
 ls -ld /cache/pip
 
+# We need some libraries because we build wheels from scratch:
+yum -y install libffi-devel
+
 # Compile wheels
 for PYBIN in /opt/python/*/bin; do
-    if [[ "${PYBIN}" == *"cp27"* ]] || \
+    if \
+       [[ "${PYBIN}" == *"cp27"* ]] || \
        [[ "${PYBIN}" == *"cp35"* ]] || \
        [[ "${PYBIN}" == *"cp36"* ]] || \
        [[ "${PYBIN}" == *"cp37"* ]] || \
        [[ "${PYBIN}" == *"cp38"* ]] || \
-       [[ "${PYBIN}" == *"cp39"* ]]; then
+       [[ "${PYBIN}" == *"cp39"* ]] || \
+       [[ "${PYBIN}" == *"cp310"* ]] ; then
         "${PYBIN}/pip" install -e /io/
         "${PYBIN}/pip" wheel /io/ -w wheelhouse/
         if [ `uname -m` == 'aarch64' ]; then
diff --git a/.meta.toml b/.meta.toml
index efa741c..c22c096 100644
--- a/.meta.toml
+++ b/.meta.toml
@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/c-code
 [meta]
 template = "c-code"
-commit-id = "bf824746f106a5f6314af285f3d5642e3ce490ce"
+commit-id = "802ac12d0664dfaa42f1dcfe920f40a7aa3d0e14"
 
 [python]
 with-appveyor = true
diff --git a/CHANGES.rst b/CHANGES.rst
index 408c5d2..7296d20 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -5,7 +5,7 @@
 4.4.1 (unreleased)
 ==================
 
-- Nothing changed yet.
+- Add support for Python 3.10.
 
 
 4.4.0 (2021-07-22)
diff --git a/README.rst b/README.rst
index 1dc68dc..30db9ef 100644
--- a/README.rst
+++ b/README.rst
@@ -6,8 +6,8 @@
     :target: https://pypi.python.org/pypi/zope.proxy/
     :alt: Latest Version
 
-.. image:: https://travis-ci.com/zopefoundation/zope.proxy.svg?branch=master
-        :target: https://travis-ci.com/zopefoundation/zope.proxy
+.. image:: https://github.com/zopefoundation/zope.proxy/actions/workflows/tests.yml/badge.svg
+        :target: https://github.com/zopefoundation/zope.proxy/actions/workflows/tests.yml
 
 .. image:: https://readthedocs.org/projects/zopeproxy/badge/?version=latest
         :target: http://zopeproxy.readthedocs.org/en/latest/
diff --git a/appveyor.yml b/appveyor.yml
index 4ebbe68..720d642 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -21,6 +21,8 @@ environment:
     - python: 38-x64
     - python: 39
     - python: 39-x64
+    - python: 310
+    - python: 310-x64
 
 install:
   - "SET PYTHONVERSION=%PYTHON%"
diff --git a/setup.py b/setup.py
index dc1336d..53bff73 100644
--- a/setup.py
+++ b/setup.py
@@ -105,6 +105,7 @@ setup(name='zope.proxy',
           'Programming Language :: Python :: 3.7',
           'Programming Language :: Python :: 3.8',
           'Programming Language :: Python :: 3.9',
+          'Programming Language :: Python :: 3.10',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
           'Framework :: Zope :: 3',
@@ -132,8 +133,7 @@ setup(name='zope.proxy',
               'zope.testrunner',
           ],
           'docs': [
-              # Need < 4 until repoze.sphinx.autointerface supports Sphinx 4:
-              'Sphinx < 4',
+              'Sphinx',
               'repoze.sphinx.autointerface',
           ],
       },
diff --git a/tox.ini b/tox.ini
index e01039b..16d3641 100644
--- a/tox.ini
+++ b/tox.ini
@@ -10,6 +10,7 @@ envlist =
     py37,py37-pure
     py38,py38-pure
     py39,py39-pure
+    py310,py310-pure
     pypy
     pypy3
     docs
@@ -18,8 +19,6 @@ envlist =
 [testenv]
 usedevelop = true
 deps =
-    # Until repoze.sphinx.autointerface supports Sphinx 4.x we cannot use it:
-    Sphinx < 4
 setenv =
     pure: PURE_PYTHON=1
     !pure-!pypy-!pypy3: PURE_PYTHON=0
@@ -50,7 +49,8 @@ skip_install = true
 deps =
     flake8
     check-manifest
-    check-python-versions
+    check-python-versions >= 0.19.1
+    wheel
 commands =
     flake8 src setup.py
     check-manifest
@@ -59,8 +59,6 @@ commands =
 [testenv:docs]
 basepython = python3
 skip_install = false
-# Until repoze.sphinx.autointerface supports Sphinx 4.x we cannot use it:
-deps = Sphinx < 4
 commands_pre =
 commands =
     sphinx-build -b html -d docs/_build/doctrees docs docs/_build/html