Added support for Django 4.0 (#1010)

* Added support for Django 4.0

* Bump to Django 4.0 first release candidate

Author: sliverc

CHANGELOG.md

@@ -10,6 +10,10 @@ any parts of the framework not mentioned in the documentation should generally b
 
 ## [Unreleased]
 
+### Added
+
+* Added support for Django 4.0.
+
 ### Fixed
 
 * Adjusted error messages to correctly use capital "JSON:API" abbreviation as used in the specification.

README.rst

@@ -89,7 +89,7 @@ Requirements
 ------------
 
 1. Python (3.6, 3.7, 3.8, 3.9)
-2. Django (2.2, 3.0, 3.1, 3.2)
+2. Django (2.2, 3.0, 3.1, 3.2, 4.0)
 3. Django REST framework (3.12)
 
 We **highly** recommend and only officially support the latest patch release of each Python, Django and REST framework series.

docs/getting-started.md

@@ -52,7 +52,7 @@ like the following:
 ## Requirements
 
 1. Python (3.6, 3.7, 3.8, 3.9)
-2. Django (2.2, 3.0, 3.1, 3.2)
+2. Django (2.2, 3.0, 3.1, 3.2, 4.0)
 3. Django REST framework (3.12)
 
 We **highly** recommend and only officially support the latest patch release of each Python, Django and REST framework series.

example/settings/dev.py

@@ -5,6 +5,7 @@
 
 MEDIA_ROOT = os.path.normcase(os.path.dirname(os.path.abspath(__file__)))
 MEDIA_URL = "/media/"
+USE_TZ = False
 
 DATABASE_ENGINE = "sqlite3"
 

example/urls_test.py

@@ -1,4 +1,4 @@
-from django.conf.urls import re_path
+from django.urls import re_path
 from rest_framework import routers
 
 from .api.resources.identity import GenericIdentity, Identity

requirements/requirements-optionals.txt

@@ -1,4 +1,4 @@
 django-filter==21.1
-django-polymorphic==3.0.0
+django-polymorphic==3.1.0
 pyyaml==6.0
 uritemplate==4.1.1

requirements/requirements-testing.txt

@@ -6,3 +6,8 @@ pytest-cov==3.0.0
 pytest-django==4.4.0
 pytest-factoryboy==2.1.0
 syrupy==1.4.7
+# TODO remove pytz dep again once DRF higher than 3.12.4 is released
+# Django 4.0 removed dependency on pytz and made it optional but
+# DRF requires it and will define it as dependency in future versions
+# only adding this to testing though as DJA does not directly use pytz
+pytz==2021.3

setup.cfg

@@ -58,8 +58,8 @@ DJANGO_SETTINGS_MODULE=example.settings.test
 filterwarnings =
     error::DeprecationWarning
     error::PendingDeprecationWarning
-    # Django Debug Toolbar currently (2021-04-07) specifies default_app_config which is deprecated in Django 3.2:
-    ignore:'debug_toolbar' defines default_app_config = 'debug_toolbar.apps.DebugToolbarConfig'. Django now detects this configuration automatically. You can remove default_app_config.:PendingDeprecationWarning
+    # TODO remove again once DRF higher than 3.12.4 has been released
+    ignore:'rest_framework' defines default_app_config
     # TODO remove in next major version of DJA 5.0.0
     # this deprecation warning filter needs to be added as AuthorSerializer is used in
     # too many tests which introduced the type field name in tests

setup.py

@@ -97,7 +97,7 @@ def get_package_data(package):
     install_requires=[
         "inflection>=0.3.0",
         "djangorestframework>=3.12,<3.13",
-        "django>=2.2,<3.3",
+        "django>=2.2,<4.1",
     ],
     extras_require={
         "django-polymorphic": ["django-polymorphic>=2.0"],

tests/test_relations.py

@@ -1,5 +1,5 @@
 import pytest
-from django.conf.urls import re_path
+from django.urls import re_path
 from rest_framework import status
 from rest_framework.fields import SkipField
 from rest_framework.routers import SimpleRouter

tox.ini

@@ -1,6 +1,7 @@
 [tox]
 envlist =
     py{36,37,38,39}-django{22,30,31,32}-drf{312,master},
+    py{38,39}-django40-drf{312,master},
     lint,docs
 
 [testenv]
@@ -9,6 +10,7 @@ deps =
     django30: Django>=3.0,<3.1
     django31: Django>=3.1,<3.2
     django32: Django>=3.2,<3.3
+    django40: Django>=4.0rc1,<5.0
     drf312: djangorestframework>=3.12,<3.13
     drfmaster: https://github.com/encode/django-rest-framework/archive/master.zip
     -rrequirements/requirements-testing.txt