Add support for Django 4.1

.github/workflows/test.yml

@@ -11,10 +11,12 @@ jobs:
       max-parallel: 5
       matrix:
         python-version: ['3.7', '3.8', '3.9', '3.10']
-        django-version: ['3.2', '4.0']
+        django-version: ['3.2', '4.0', '4.1']
         exclude:
           - django-version: '4.0'
             python-version: '3.7'
+          - django-version: '4.1'
+            python-version: '3.7'
         include:
           - django-version: 'main'
             python-version: '3.9'

.gitignore

@@ -12,3 +12,4 @@ doc/_build/
 coverage.xml
 **/.env
 examples/**/migrations/*
+.idea/

django_redshift_backend/base.py

@@ -1083,15 +1083,32 @@ def get_table_list(self, cursor):
         """)
         return [TableInfo(*row) for row in cursor.fetchall() if row[0] not in self.ignored_tables]
 
+    def get_field_type(self, data_type, description):
+        # instead of calling a parent method, doing directly what grapndparent class does.
+        field_type = self.data_types_reverse[data_type]
+        if description.default and "nextval" in description.default:
+            if field_type == "IntegerField":
+                return "AutoField"
+            elif field_type == "BigIntegerField":
+                return "BigAutoField"
+            elif field_type == "SmallIntegerField":
+                return "SmallAutoField"
+        return field_type
+
 
 class DatabaseWrapper(BasePGDatabaseWrapper):
     vendor = 'redshift'
+    display_name = "AWS Redshift"
 
     SchemaEditorClass = DatabaseSchemaEditor
 
     data_types = deepcopy(BasePGDatabaseWrapper.data_types)
     data_types.update(redshift_data_types)
 
+    # Clear suffixes to rid of PostgreSQLs GENERATED BY DEFAULT AS IDENTITY that upset Redshift.
+    # Takes effect on Django>=4.1. Older version have this attribute empty
+    data_types_suffix = {}
+
     def __init__(self, *args, **kwargs):
         super(DatabaseWrapper, self).__init__(*args, **kwargs)
 

doc/index.rst

@@ -44,7 +44,7 @@ Support versions
 This product is tested with:
 
 * Python-3.7, 3.8, 3.9, 3.10
-* Django-3.2, 4.0
+* Django-3.2, 4.0, 4.1
 
 License
 =======

setup.cfg

@@ -21,6 +21,7 @@ classifiers =
     Framework :: Django
     Framework :: Django :: 3.2
     Framework :: Django :: 4.0
+    Framework :: Django :: 4.1
     Intended Audience :: Developers
     Environment :: Plugins
     Topic :: Software Development :: Libraries :: Python Modules

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
     py37-dj32
-    py{38,39,310}-dj{32,40,main}
+    py{38,39,310}-dj{32,40,41,main}
     flake8
     check
 skipsdist = True
@@ -17,6 +17,7 @@ python =
 DJANGO =
     3.2: dj32
     4.0: dj40
+    4.1: dj41
     main: djmain
 
 [testenv]
@@ -28,6 +29,7 @@ deps =
     mock>=2.0
     dj32: Django>=3.2,<3.3
     dj40: Django>=4.0,<4.1
+    dj41: Django>=4.1,<4.2
     djmain: https://github.com/django/django/archive/main.tar.gz
 setenv =
     DJANGO_SETTINGS_MODULE = settings