Add Django-5.0 support #143; fix errors

django_redshift_backend/_vendor/django40/db/backends/base/base.py

@@ -5,6 +5,7 @@
 import warnings
 from collections import deque
 from contextlib import contextmanager
+from datetime import timezone as pytimezone
 
 try:
     import zoneinfo
@@ -23,6 +24,9 @@
 from django.utils.asyncio import async_unsafe
 from django.utils.functional import cached_property
 
+# django.utils.timezone.utc has been removed in django 5.0 
+timezone.utc = pytimezone.utc
+
 NO_DB_ALIAS = "__no_db__"
 
 

django_redshift_backend/base.py

@@ -60,7 +60,9 @@ class DatabaseFeatures(BasePGDatabaseFeatures):
     # since django-4.2. I don't know the Redshift supports comments or not.
     supports_comments = False
     # since django-5.0. I don't know the Redshift supports default expression
-    supports_default_keyword_in_insert = False  # TODO: research
+    supports_default_keyword_in_insert = True  # TODO: Add UnitTest https://docs.djangoproject.com/en/5.0/releases/5.0/#database-computed-default-values
+    supports_default_keyword_in_bulk_insert = True  # TODO: Add UnitTest https://docs.djangoproject.com/en/5.0/releases/5.0/#database-computed-default-values
+    supports_nulls_distinct_unique_constraints = False  # TODO: Add UnitTest https://docs.djangoproject.com/en/5.0/ref/models/constraints/#nulls-distinct
 
     # If support atomic for ddl, we should implement non-atomic migration for on rename and change type(size)
     # refs django-redshift-backend #96

pyproject.toml

@@ -36,7 +36,7 @@ classifiers = [
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 dependencies = [
-    "django<5",
+    "django<5.1",
     "backports.zoneinfo;python_version<'3.9'",
 ]