chore: add support for Django 4.1

.github/workflows/main.yml

@@ -37,6 +37,13 @@ jobs:
             python-version: "3.9"
           - tox-env: "py310-dj40"
             python-version: "3.10"
+          # Django 4.1
+          - tox-env: "py38-dj41"
+            python-version: "3.8"
+          - tox-env: "py39-dj41"
+            python-version: "3.9"
+          - tox-env: "py310-dj41"
+            python-version: "3.10"
 
     steps:
       - uses: actions/checkout@v3

setup.cfg

@@ -26,6 +26,7 @@ classifiers =
     Framework :: Django :: 2.2
     Framework :: Django :: 3.2
     Framework :: Django :: 4.0
+    Framework :: Django :: 4.1
     Topic :: Internet :: WWW/HTTP
     Topic :: Internet :: WWW/HTTP :: Dynamic Content
     Topic :: Internet :: WWW/HTTP :: WSGI

tests/test_shop.py

@@ -4,6 +4,7 @@
 from operator import mul
 from unittest import skipUnless
 
+import django
 from django.test import TestCase
 from django.test.client import RequestFactory
 from django.urls import reverse
@@ -311,12 +312,19 @@ def test_discount_codes(self):
                     self._empty_cart(cart)
                     self._add_to_cart(invalid_variation, 1)
                     r = self.client.post(reverse("shop_cart"), post_data)
-                    self.assertFormError(
-                        r,
-                        "discount_form",
-                        "discount_code",
-                        _("The discount code entered is invalid."),
-                    )
+                    if django.VERSION >= (4, 1):
+                        self.assertFormError(
+                            r.context["discount_form"],
+                            "discount_code",
+                            _("The discount code entered is invalid."),
+                        )
+                    else:
+                        self.assertFormError(
+                            r,
+                            "discount_form",
+                            "discount_code",
+                            _("The discount code entered is invalid."),
+                        )
 
     def test_order(self):
         """
@@ -408,7 +416,7 @@ def test_sale_save(self):
         """
         Regression test for GitHub issue #24. Incorrect exception handle meant
         that in some cases (usually percentage discount) sale_prices were not
-        being applied to all products and their variations.
+        being applied to all products and their varitations.
 
         Note: This issues was only relevant using MySQL and with exceptions
         turned on (which is the default when DEBUG=True).

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{37,38,39,310}-dj{22,32,40}
+    py{37,38,39,310}-dj{22,32,40,41}
     package
     lint
 
@@ -12,6 +12,7 @@ deps =
     dj22: Django>=2.2, <3
     dj32: Django>=3.2, <3.3
     dj40: Django>=4.0, <4.1
+    dj41: Django>=4.1, <4.2
 commands =
     pytest --basetemp="{envtmpdir}" --junitxml="junit/TEST-{envname}.xml" {posargs}