Add Django 4.0 support.

Author: hramezani

.github/workflows/main.yml

@@ -55,6 +55,10 @@ jobs:
           python: 3.8
           allow_failure: false
 
+        - name: py310-dj40-postgres-xdist-coverage
+          python: '3.10'
+          allow_failure: false
+
         - name: py310-dj32-postgres-xdist-coverage
           python: '3.10'
           allow_failure: false
@@ -67,6 +71,10 @@ jobs:
           python: 3.9
           allow_failure: false
 
+        - name: py39-dj40-mysql_innodb-coverage
+          python: 3.9
+          allow_failure: false
+
         - name: py37-dj31-mysql_innodb-coverage
           python: 3.7
           allow_failure: false
@@ -87,6 +95,10 @@ jobs:
           python: 3.8
           allow_failure: false
 
+        - name: py38-dj40-sqlite-xdist-coverage
+          python: 3.8
+          allow_failure: false
+
         - name: py39-djmain-sqlite-coverage
           python: 3.9
           allow_failure: true

README.rst

@@ -32,7 +32,7 @@ pytest-django allows you to test your Django project/applications with the
   <https://pytest-django.readthedocs.io/en/latest/contributing.html>`_
 * Version compatibility:
 
-  * Django: 2.2, 3.1, 3.2 and latest main branch (compatible at the time of
+  * Django: 2.2, 3.1, 3.2, 4.0 and latest main branch (compatible at the time of
     each release)
   * Python: CPython>=3.5 or PyPy 3
   * pytest: >=5.4

setup.cfg

@@ -16,6 +16,7 @@ classifiers =
     Framework :: Django :: 2.2
     Framework :: Django :: 3.1
     Framework :: Django :: 3.2
+    Framework :: Django :: 4.0
     Intended Audience :: Developers
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent

tox.ini

@@ -1,8 +1,8 @@
 [tox]
 envlist =
-    py310-dj{main,32}-postgres
-    py39-dj{main,32,31,22}-postgres
-    py38-dj{main,32,31,22}-postgres
+    py310-dj{main,40,32}-postgres
+    py39-dj{main,40,32,31,22}-postgres
+    py38-dj{main,40,32,31,22}-postgres
     py37-dj{32,31,22}-postgres
     py36-dj{32,31,22}-postgres
     py35-dj{22}-postgres
@@ -12,6 +12,7 @@ envlist =
 extras = testing
 deps =
     djmain: https://github.com/django/django/archive/main.tar.gz
+    dj40: Django>=4.0a1,<4.1
     dj32: Django>=3.2,<4.0
     dj31: Django>=3.1,<3.2
     dj22: Django>=2.2,<2.3