Upgrade python & django

multidb/__init__.py

@@ -139,8 +139,8 @@ class PinningReplicaRouter(ReplicaRouter):
 
     """
     def db_for_read(self, model, **hints):
-        """Send reads to replicas in round-robin unless this thread is "stuck" to
-        the master."""
+        """Send reads to replicas in round-robin unless this thread is
+        "stuck" to the master."""
         return DEFAULT_DB_ALIAS if this_thread_is_pinned() else get_replica()
 
 

multidb/tests.py

@@ -124,9 +124,13 @@ class MiddlewareTests(UnpinningTestCase):
     def setUp(self):
         super(MiddlewareTests, self).setUp()
 
+        # Django 4.0 requires response as an arg
+        # https://stackoverflow.com/questions/62944755/how-to-unittest-new-style-django-middleware
+        get_response = mock.MagicMock()
+
         # Every test uses these, so they're okay as attrs.
         self.request = HttpRequest()
-        self.middleware = PinningRouterMiddleware()
+        self.middleware = PinningRouterMiddleware(get_response)
 
     def test_pin_on_cookie(self):
         """Thread should pin when the cookie is set."""

requirements.txt

@@ -1,2 +1,2 @@
-django-nose==1.4.4
-flake8==3.3.0
+django-nose==1.4.7
+flake8==6.0.0

run.sh

@@ -13,9 +13,9 @@ usage() {
 
 case "$1" in
     "test" )
-        django-admin.py test multidb ;;
+        django-admin test multidb ;;
     "shell" )
-        django-admin.py shell ;;
+        django-admin shell ;;
     "check" )
         flake8 multidb ;;
     * )

tox.ini

@@ -5,26 +5,34 @@ envlist =
     {py36,py37,py38,py39}-3.0.X
     {py36,py37,py38,py39}-3.1.X
     {py36,py37,py38,py39}-3.2.X
+    {py38,py39,py310}-4.0.X
+    {py38,py39,py310}-4.1.X
+    {py38,py39,py310}-4.2.X
 
 [testenv]
+allowlist_externals=./run.sh
 basepython =
     py35: python3.5
     py36: python3.6
     py37: python3.7
     py38: python3.8
     py39: python3.9
+    py10: python3.10
 
 commands =
     ./run.sh test
     python --version
-    django-admin.py --version
+    django-admin --version
     pip freeze
 
 deps =
     2.2.X: Django>=2.2,<2.3
     3.0.X: Django>=3.0,<3.1
     3.1.X: Django>=3.1,<3.2
     3.2.X: Django>=3.2,<4.0
+    4.0.X: Django>=4.0,<4.1
+    4.1.X: Django>=4.1,<4.2
+    4.2.X: Django>=4.2,<5.0
     -r{toxinidir}/requirements.txt
 
 [testenv:flake8]