Support for Django 4 (#101)

* Support for Django 4

* Change pytest-django version

* Change psycopg2 version

* Change pytest version

* Change tox version

* Change pytest-cov version

* Update circle ci jobs

* Fix ci jobs

* Update ci to postgres 12

* Allow Django 5.0

* Bump Django min version to 3.2

* Fix CI to account for >= 3.2 requirement

* Fix quote

* Remove python 3.12 for now due to distutils removal

* Remove Django upper bound

* Add back python3.6,3.7 wfs

* Downgrade dj-database-url

* Fix isnull issue from Django 4

.circleci/config.yml

@@ -3,7 +3,7 @@ jobs:
     test-python36:
         docker:
             - image: python:3.6-alpine
-            - image: postgres:11.0
+            - image: postgres:12.0
               environment:
                   POSTGRES_DB: 'localizedfields'
                   POSTGRES_USER: 'localizedfields'
@@ -20,17 +20,16 @@ jobs:
 
             - run:
                   name: Run tests
-                command: tox -e 'py36-dj{20,21,22,30,31}'
+                  command: tox -e 'py36-dj{20,21,22,30,31,32}'
                   environment:
                       DATABASE_URL: 'postgres://localizedfields:localizedfields@localhost:5432/localizedfields'
 
             - store_test_results:
                   path: reports
-
     test-python37:
         docker:
             - image: python:3.7-alpine
-            - image: postgres:11.0
+            - image: postgres:12.0
               environment:
                   POSTGRES_DB: 'localizedfields'
                   POSTGRES_USER: 'localizedfields'
@@ -47,17 +46,16 @@ jobs:
 
             - run:
                   name: Run tests
-                command: tox -e 'py37-dj{20,21,22,30,31}'
+                  command: tox -e 'py37-dj{20,21,22,30,31,32}'
                   environment:
                       DATABASE_URL: 'postgres://localizedfields:localizedfields@localhost:5432/localizedfields'
 
             - store_test_results:
                   path: reports
-
     test-python38:
         docker:
             - image: python:3.8-alpine
-            - image: postgres:11.0
+            - image: postgres:12.0
               environment:
                   POSTGRES_DB: 'localizedfields'
                   POSTGRES_USER: 'localizedfields'
@@ -74,7 +72,7 @@ jobs:
 
             - run:
                 name: Run tests
-                command: tox -e 'py38-dj{20,21,22,30,31}'
+                command: tox -e 'py38-dj{20,21,22,30,31,32,40,41,42}'
                 environment:
                     DATABASE_URL: 'postgres://localizedfields:localizedfields@localhost:5432/localizedfields'
 
@@ -84,7 +82,7 @@ jobs:
     test-python39:
         docker:
             - image: python:3.9-alpine
-            - image: postgres:11.0
+            - image: postgres:12.0
               environment:
                   POSTGRES_DB: 'localizedfields'
                   POSTGRES_USER: 'localizedfields'
@@ -101,7 +99,60 @@ jobs:
 
             - run:
                 name: Run tests
-                command: tox -e 'py39-dj{21,22,30,31}'
+                command: tox -e 'py39-dj{30,31,32,40,41,42}'
+                environment:
+                    DATABASE_URL: 'postgres://localizedfields:localizedfields@localhost:5432/localizedfields'
+
+            - store_test_results:
+                path: reports
+
+    test-python310:
+        docker:
+            - image: python:3.10-alpine
+            - image: postgres:12.0
+              environment:
+                  POSTGRES_DB: 'localizedfields'
+                  POSTGRES_USER: 'localizedfields'
+                  POSTGRES_PASSWORD: 'localizedfields'
+        steps:
+            - checkout
+            - run:
+                  name: Install packages
+                  command: apk add postgresql-libs gcc musl-dev postgresql-dev git
+
+            - run:
+                  name: Install Python packages
+                  command: pip install --progress-bar off .[test]
+
+            - run:
+                  name: Run tests
+                  command: tox -e 'py310-dj{32,40,41,42,50}'
+                  environment:
+                      DATABASE_URL: 'postgres://localizedfields:localizedfields@localhost:5432/localizedfields'
+
+            - store_test_results:
+                  path: reports
+    test-python311:
+        docker:
+            - image: python:3.11-alpine
+            - image: postgres:12.0
+              environment:
+                  POSTGRES_DB: 'localizedfields'
+                  POSTGRES_USER: 'localizedfields'
+                  POSTGRES_PASSWORD: 'localizedfields'
+        steps:
+            - checkout
+            - run:
+                  name: Install packages
+                  command: apk add postgresql-libs gcc musl-dev postgresql-dev git
+
+            - run:
+                  name: Install Python packages
+                  command: pip install --progress-bar off .[test]
+
+            - run:
+                  name: Run tests
+                  command: tox -e 'py311-dj{42,50}'
                   environment:
                       DATABASE_URL: 'postgres://localizedfields:localizedfields@localhost:5432/localizedfields'
 
@@ -110,7 +161,7 @@ jobs:
 
     analysis:
         docker:
-            - image: python:3.7-alpine
+            - image: python:3.8-alpine
         steps:
             - checkout
             - run:
@@ -134,4 +185,6 @@ workflows:
             - test-python37
             - test-python38
             - test-python39
+            - test-python310
+            - test-python311
             - analysis

README.md

@@ -1,10 +1,10 @@
 |  |  |                                                                                                                                                                             |
-|--------------------|---------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+|--------------------|---------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | :white_check_mark: | **Tests** | [![CircleCI](https://circleci.com/gh/SectorLabs/django-localized-fields/tree/master.svg?style=svg)](https://circleci.com/gh/SectorLabs/django-localized-fields/tree/master) |
 | :memo: | **License** | [![License](https://img.shields.io/:license-mit-blue.svg)](http://doge.mit-license.org)                                                                                     |
 | :package: | **PyPi** | [![PyPi](https://badge.fury.io/py/django-localized-fields.svg)](https://pypi.python.org/pypi/django-localized-fields)                                                       |
-| <img src="https://cdn.iconscout.com/icon/free/png-256/django-1-282754.png" width="22px" height="22px" align="center" /> | **Django Versions** | 2.0, 2.1, 2.2, 3.0, 3.1, 3.2 |
+| <img src="https://cdn.iconscout.com/icon/free/png-256/django-1-282754.png" width="22px" height="22px" align="center" /> | **Django Versions** | 2.0, 2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1, 4.2, 5.0                                                                                                                            |
-| <img src="http://www.iconarchive.com/download/i73027/cornmanthe3rd/plex/Other-python.ico" width="22px" height="22px" align="center" /> | **Python Versions** | 3.6, 3.7, 3.8, 3.9 |
+| <img src="http://www.iconarchive.com/download/i73027/cornmanthe3rd/plex/Other-python.ico" width="22px" height="22px" align="center" /> | **Python Versions** | 3.6, 3.7, 3.8, 3.9, 3.10, 3.11                                                                                                                                              |
 | :book: | **Documentation** | [Read The Docs](https://django-localized-fields.readthedocs.io)                                                                                                             |
 | :warning: | **Upgrade** | [Upgrade fom v5.x](https://django-localized-fields.readthedocs.io/en/latest/releases.html#v6-0)                                                                             
 | :checkered_flag: | **Installation** | [Installation Guide](https://django-localized-fields.readthedocs.io/en/latest/installation.html)                                                                            |
@@ -20,7 +20,7 @@
 ## Working with the code
 ### Prerequisites
 
-* PostgreSQL 10 or newer.
+* PostgreSQL 12 or newer.
 * Django 2.0 or newer.
 * Python 3.6 or newer.
 

localized_fields/lookups.py

@@ -43,6 +43,10 @@ class LocalizedLookupMixin:
         return super().process_lhs(qn, connection)
 
     def get_prep_lookup(self):
+        # Django 4.0 removed the ability for isnull fields to be something other than a bool
+        # We should NOT convert them to strings
+        if isinstance(self.rhs, bool):
+            return self.rhs
         return str(self.rhs)
 
 

setup.py

@@ -36,7 +36,7 @@ with open(
 
 setup(
     name="django-localized-fields",
-    version="6.8b3",
+    version="6.8b4",
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,
     license="MIT License",
@@ -67,6 +67,8 @@ setup(
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Internet :: WWW/HTTP",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
     ],
@@ -80,14 +82,14 @@ setup(
         ':python_version <= "3.6"': ["dataclasses"],
         "docs": ["Sphinx==2.2.0", "sphinx-rtd-theme==0.4.3"],
         "test": [
-            "tox==3.14.3",
+            "tox==3.28.0",
-            "pytest==5.3.2",
+            "pytest==7.0.1",
-            "pytest-django==3.7.0",
+            "pytest-django==4.5.2",
-            "pytest-cov==2.8.1",
+            "pytest-cov==2.12.1",
             "dj-database-url==0.5.0",
-            "django-autoslug==1.9.6",
+            "django-autoslug==1.9.9",
-            "django-bleach==0.6.1",
+            "django-bleach==0.9.0",
-            "psycopg2==2.8.4",
+            "psycopg2==2.9.8",
         ],
         "analysis": [
             "black==22.3.0",

tests/test_isnull.py

@@ -0,0 +1,51 @@
+import django
+import pytest
+
+from django.test import TestCase
+
+from localized_fields.fields import LocalizedField
+from localized_fields.value import LocalizedValue
+
+from .fake_model import get_fake_model
+
+
+class LocalizedIsNullLookupsTestCase(TestCase):
+    """Tests whether ref lookups properly work with."""
+
+    TestModel1 = None
+
+    @classmethod
+    def setUpClass(cls):
+        """Creates the test model in the database."""
+        super(LocalizedIsNullLookupsTestCase, cls).setUpClass()
+        cls.TestModel = get_fake_model(
+            {"text": LocalizedField(null=True, required=[])}
+        )
+        cls.TestModel.objects.create(
+            text=LocalizedValue(dict(en="text_en", ro="text_ro", nl="text_nl"))
+        )
+        cls.TestModel.objects.create(
+            text=None,
+        )
+
+    def test_isnull_lookup_valid_values(self):
+        """Test whether isnull properly works with valid values."""
+        assert self.TestModel.objects.filter(text__isnull=True).exists()
+        assert self.TestModel.objects.filter(text__isnull=False).exists()
+
+    def test_isnull_lookup_null(self):
+        """Test whether isnull crashes with None as value."""
+
+        with pytest.raises(ValueError):
+            assert self.TestModel.objects.filter(text__isnull=None).exists()
+
+    def test_isnull_lookup_string(self):
+        """Test whether isnull properly works with string values on the
+        corresponding Django version."""
+        if django.VERSION < (4, 0):
+            assert self.TestModel.objects.filter(text__isnull="True").exists()
+        else:
+            with pytest.raises(ValueError):
+                assert self.TestModel.objects.filter(
+                    text__isnull="True"
+                ).exists()

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py36-dj{20,21,22,30,31}, py37-dj{20,21,22,30,31}, py38-dj{20,21,22,30,31}, py39-dj{21,22,30,31}
+envlist = py36-dj{20,21,22,30,31,32}, py37-dj{20,21,22,30,31,32}, py38-dj{20,21,22,30,31,32,40,41,42}, py39-dj{30,31,32,40,41,42}, py310-dj{32,40,41,42,50}, py311-dj{42,50}
 
 [testenv]
 deps =
@@ -8,6 +8,11 @@ deps =
     dj22: Django>=2.2,<2.3
     dj30: Django>=3.0,<3.0.2
     dj31: Django>=3.1,<3.2
+    dj32: Django>=3.2,<4.0
+    dj40: Django>=4.0,<4.1
+    dj41: Django>=4.1,<4.2
+    dj42: Django>=4.2,<5.0
+    dj50: Django>=5.0,<5.1
     .[test]
 setenv =
     DJANGO_SETTINGS_MODULE=settings