Support Python 3.10

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        name: [py36, py37, py38, py39]
+        name: [py36, py37, py38, py39, py310]
         include:
         - name: py36
           python: 3.6
@@ -23,8 +23,11 @@ jobs:
           python: 3.9
           docutils: du17
           coverage: "--cov ./ --cov-append --cov-config setup.cfg"
-        - name: py310-dev
+        - name: py310
-          python: 3.10-dev
+          python: "3.10"
+          docutils: du17
+        - name: py311-dev
+          python: 3.11-dev
           docutils: du17
     env:
       PYTEST_ADDOPTS: ${{ matrix.coverage }}

CHANGES

@@ -4,6 +4,8 @@ Release 4.3.0 (in development)
 Dependencies
 ------------
 
+* Support Python 3.10
+
 Incompatible changes
 --------------------
 

setup.py

@@ -207,6 +207,7 @@ setup(
         '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 :: Setuptools Plugin',

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.4.0
-envlist = docs,flake8,mypy,twine,coverage,py{36,37,38,39},du{14,15,16,17}
+envlist = docs,flake8,mypy,twine,coverage,py{36,37,38,39,310},du{14,15,16,17}
 
 [testenv]
 usedevelop = True
@@ -15,7 +15,7 @@ passenv =
     EPUBCHECK_PATH
     TERM
 description =
-    py{36,37,38,39}: Run unit tests against {envname}.
+    py{36,37,38,39,310}: Run unit tests against {envname}.
     du{12,13,14}: Run unit tests with the given version of docutils.
 deps =
     du14: docutils==0.14.*