Update to Django 6.1

.evergreen/run-tests.sh

@@ -9,7 +9,7 @@ python -m pip install -U pip
 pip install -e .
 
 # Install django and test dependencies
-git clone --branch mongodb-6.0.x https://github.com/mongodb-forks/django django_repo
+git clone --branch mongodb-6.1.x https://github.com/mongodb-forks/django django_repo
 pushd django_repo/tests/
 pip install -e ..
 pip install -r requirements/py3.txt

.github/workflows/test-python-atlas.yml

@@ -33,7 +33,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           repository: 'mongodb-forks/django'
-          ref: 'mongodb-6.0.x'
+          ref: 'mongodb-6.1.x'
           path: 'django_repo'
           persist-credentials: false
       - name: Install system packages for Django's Python test dependencies

.github/workflows/test-python-geo.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           repository: 'mongodb-forks/django'
-          ref: 'mongodb-6.0.x'
+          ref: 'mongodb-6.1.x'
           path: 'django_repo'
           persist-credentials: false
       - name: Install system packages for Django's Python test dependencies

.github/workflows/test-python.yml

@@ -33,7 +33,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           repository: 'mongodb-forks/django'
-          ref: 'mongodb-6.0.x'
+          ref: 'mongodb-6.1.x'
           path: 'django_repo'
           persist-credentials: false
       - name: Install system packages for Django's Python test dependencies

django_mongodb_backend/__init__.py

@@ -1,4 +1,4 @@
-__version__ = "6.0.1.dev0"
+__version__ = "6.1.0.dev0"
 
 # Check Django compatibility before other imports which may fail if the
 # wrong version of Django is installed.

django_mongodb_backend/features.py

@@ -35,6 +35,9 @@ class DatabaseFeatures(GISFeatures, BaseDatabaseFeatures):
     supports_json_field_contains = False
     # BSON Date type doesn't support microsecond precision.
     supports_microsecond_precision = False
+    supports_on_delete_db_cascade = False
+    supports_on_delete_db_default = False
+    supports_on_delete_db_null = False
     supports_paramstyle_pyformat = False
     supports_select_difference = False
     supports_select_intersection = False
@@ -465,6 +468,8 @@ def django_test_expected_failures(self):
             # There is no way to distinguish between a JSON "null" (represented
             # by Value(None, JSONField())) and a SQL null (queried using the
             # isnull lookup). Both of these queries return both nulls.
+            "model_fields.test_jsonfield.JSONExactNoneDeprecationTests",
+            "model_fields.test_jsonfield.JSONNullTests",
             "model_fields.test_jsonfield.TestSaveLoad.test_json_null_different_from_sql_null",
             # Some queries with Q objects, e.g. Q(value__foo="bar"), don't work
             # properly, particularly with QuerySet.exclude().

django_mongodb_backend/fields/__init__.py

@@ -1,6 +1,5 @@
 from .array import ArrayField
 from .auto import ObjectIdAutoField
-from .duration import register_duration_field
 from .embedded_model import EmbeddedModelField
 from .embedded_model_array import EmbeddedModelArrayField
 from .json import register_json_field
@@ -21,5 +20,4 @@
 
 
 def register_fields():
-    register_duration_field()
     register_json_field()

django_mongodb_backend/operations.py

@@ -66,6 +66,15 @@ def adapt_decimalfield_value(self, value, max_digits=None, decimal_places=None):
             return None
         return Decimal128(value)
 
+    def adapt_durationfield_value(self, value):
+        """DurationField stores milliseconds rather than microseconds."""
+        value = super().adapt_durationfield_value(value)
+        if value is not None:
+            value //= 1000
+            # Store value as Int64 (long).
+            value = Int64(value)
+        return value
+
     def adapt_integerfield_value(self, value, internal_type):
         """Store non-SmallIntegerField variants as Int64 (long)."""
         if value is None: