Merge pull request #210 from twisted/python-39

.github/workflows/main.yml

@@ -50,6 +50,11 @@ jobs:
         with:
           python-version: 3.8
 
+      - name: Set Up Python 3.9
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
       - name: Get pip cache dir
         id: pip-cache
         run: |
@@ -76,7 +81,7 @@ jobs:
           TOX_SKIP_ENV: ${{ matrix.cfg.tox-skip-env }}
         run:
           tox --parallel=all
-          -e'py{35,36,37,38,py3}-test-{twlatest,twtrunk},publishcov,py38-linters,release'
+          -e'py{35,36,37,38,39,py3}-test-{twlatest,twtrunk},publishcov,py39-linters,release'
 
       - name: upload dist
         uses: actions/upload-artifact@v2

pyproject.toml

@@ -34,8 +34,8 @@ requires=
 ; * test - run trial tests
 ; * dev - run things in local dev mode
 envlist =
-    py{38,35,36,37,py3}-test-{twlatest,twtrunk,dev}
-    py38-linters,
+    py{35,36,37,38,39,py3}-test-{twlatest,twtrunk,dev}
+    py39-linters,
     documentation,
 
 
@@ -81,7 +81,7 @@ commands =
 
 [testenv:documentation]
 deps = sphinx
-basepython=python3.8
+basepython=python3.9
 changedir = {envtmpdir}
 whitelist_externals = cp
 commands =
@@ -106,5 +106,5 @@ deps =
   coverage[toml]>=5.3
 commands =
     codecov --required
-depends = py{,38,34,35,36,37,py3}-test-{twlatest,twtrunk,dev}
+depends = py{,35,36,37,38,39,py3}-test-{twlatest,twtrunk,dev}
 """

setup.cfg

@@ -21,6 +21,7 @@ classifiers =
     Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: System :: Systems Administration :: Authentication/Directory :: LDAP