Tidy up tox and GHA config

.github/workflows/publish.yml

@@ -22,9 +22,7 @@ jobs:
 
       - name: ⬇️ Install build dependencies
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install flit
-          python -m flit install --symlink
+          python -m pip install --upgrade pip flit
 
       - name: 🏗️ Build
         run: python -Im flit build

.github/workflows/test.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches: [main]
   pull_request:
+    branches: [main]
 
 concurrency:
   group: ${{ github.head_ref || github.run_id }}
@@ -52,11 +53,13 @@ jobs:
 
     - name: ⬇️ Install dependencies
       run: |
-        python -Im pip install --upgrade pip setuptools wheel
-        python -Im pip install --upgrade tox tox-gh-actions
+        python -Im pip install --upgrade pip setuptools wheel flit tox tox-gh-actions
+
+    - name: 🏗️ Build wheel
+      run: python -Im flit build --format wheel
 
     - name: 🧪 Run tox targets for Python ${{ matrix.python-version }}
-      run: tox
+      run: tox --installpkg ./dist/*.whl
 
     - name: ⬆️ Upload coverage data
       uses: actions/upload-artifact@v3
@@ -72,8 +75,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
       - uses: actions/setup-python@v4
         with:
           # Use latest Python, so it understands all syntax.

tox.ini

@@ -1,21 +1,25 @@
 [tox]
-min_version = 4.0
+min_version =  4.11
 
 env_list =
-    py{38,39,310}-django{3.2,4.1}-wagtail{4.1,5.0,5.1,5.2}
-    py{311}-django{4.1}-wagtail{4.1,5.0,5.1,5.2}
-    py{311}-django{4.2}-wagtail{5.0,5.1,5.2}
-    py{311,312}-django{5.0}-wagtail{5.2}
+    python{3.8,3.9,3.10}-dj{32}-wagtail{41,52}
+    python{3.11}-dj{41,42}-wagtail{52,60}
+    python{3.12}-dj{42,50}-wagtail{52,60}
 
 [gh-actions]
 python =
-    3.8: py38
-    3.9: py39
-    3.10: py310
-    3.11: py311
-    3.12: py312
+    3.8: python3.8
+    3.9: python3.9
+    3.10: python3.10
+    3.11: python3.11
+    3.12: python3.12
 
 [testenv]
+package = wheel
+wheel_build_env = .pkg
+use_frozen_constraints = true
+constrain_package_deps = true
+
 pass_env =
     FORCE_COLOR
     NO_COLOR
@@ -29,31 +33,29 @@ extras = testing
 
 deps =
     django3.2: Django>=3.2, <4.0
-    django4.1: Django>=4.1, <4.2
     django4.2: Django>=4.2, <5.0
+    django5.0: Django>=5.0, <5.1
 
-    wagtail4.1: wagtail>=4.1, <4.2
-    wagtail5.0: wagtail>=5.0, <5.1
-    wagtail5.1: wagtail>=5.1, <5.2
-    wagtail5.2: wagtail>=5.2rc1, <5.3
+    wagtail41: wagtail>=4.1,<4.2
+    wagtail5.2: wagtail>=5.2, <6.0
+    wagtail6.0: wagtail>=6.0, <6.1
 
 install_command = python -Im pip install -U {opts} {packages}
 commands =
     python -Im coverage run runtests.py test --deprecation all {posargs: -v 2}
 
 [testenv:coverage-report]
 base_python = python3.11
-; a bit of a hack - we want to keep deps to a minimum here
+package = skip
 deps =
-extras =
-install_command = python -Im pip install -U "coverage[toml]>=7.0,<8.0"
+    coverage>=7.0,<8.0
 commands =
     python -Im coverage combine
     python -Im coverage report -m
 
 [testenv:wagtailmain]
 description = Test with latest Wagtail main branch
-
+base_python = python3.12
 deps =
     wagtailmain: git+https://github.com/wagtail/wagtail.git@main#egg=Wagtail