Switch to tox 4

Author: zerolab

setup.py

@@ -53,7 +53,7 @@
     extras_require={
         "testing": [
             "pre-commit>=3.3.0,<4",
-            "tox==3.26.0",
+            "tox>=4.6.4,<5",
         ],
     },
     zip_safe=False,

tox.ini

@@ -1,9 +1,7 @@
 [tox]
-skipsdist = True
-usedevelop = True
-skip_missing_interpreters = True
+min_version = 4.0
 
-envlist = 
+envlist =
     python{3.8,3.9,3.10}-django{3.2}-wagtail{4.1,4.2,5.0}
     python{3.9,3.10,3.11}-django{4.1}-wagtail{4.1,4.2,5.0}
     python{3.10,3.11}-django{4.2}-wagtail{5.0}
@@ -17,16 +15,12 @@ python =
 
 
 [testenv]
-install_command = pip install -e ".[testing]" -U {opts} {packages}
-commands =
-    coverage run testmanage.py test --deprecation all {posargs: -v 2}
-    coverage report -m
+package = wheel
+wheel_build_env = .pkg
 
-basepython =
-    python3.8: python3.8
-    python3.9: python3.9
-    python3.10: python3.10
-    python3.11: python3.11
+pass_env =
+    FORCE_COLOR
+    NO_COLOR
 
 deps =
     coverage
@@ -38,3 +32,9 @@ deps =
     wagtail4.1: wagtail>=4.1,<4.2
     wagtail4.2: wagtail>=4.2,<5.0
     wagtail5.0: wagtail>=5.0,<6.0
+
+
+install_command = python -Im pip install -U {opts} {packages}
+commands =
+    coverage run testmanage.py test --deprecation all {posargs: -v 2}
+    coverage report -m