Fixed problem when setting django.db.models.functions.Now() in `Dat…

…eTimeField`

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Next Release
 
+#### Fixes
+
+- Fixed problem when setting `django.db.models.functions.Now()` in `DateTimeField` ([#624](https://github.com/jazzband/django-auditlog/pull/624))
+
 ## 3.0.0 (2024-04-12)
 
 #### Fixes

auditlog/diff.py

@@ -90,6 +90,8 @@ def get_field_value(obj, field):
             if getattr(field, "default", NOT_PROVIDED) is not NOT_PROVIDED
             else None
         )
+    except TypeError:
+        pass
 
     return value
 

auditlog_tests/tests.py

@@ -17,6 +17,7 @@
 from django.contrib.contenttypes.models import ContentType
 from django.core import management
 from django.db import models
+from django.db.models.functions import Now
 from django.db.models.signals import pre_save
 from django.test import RequestFactory, TestCase, override_settings
 from django.urls import resolve, reverse
@@ -1071,6 +1072,24 @@ def test_update_naive_dt(self):
         )
         dtm.save()
 
+    def test_datetime_field_functions_now(self):
+        timestamp = datetime.datetime(2017, 1, 10, 15, 0, tzinfo=timezone.utc)
+        date = datetime.date(2017, 1, 10)
+        time = datetime.time(12, 0)
+
+        dtm = DateTimeFieldModel(
+            label="DateTimeField model",
+            timestamp=timestamp,
+            date=date,
+            time=time,
+            naive_dt=Now(),
+        )
+        dtm.save()
+        dtm.naive_dt = Now()
+        self.assertEqual(dtm.naive_dt, Now())
+        dtm.save()
+        self.assertEqual(dtm.naive_dt, Now())
+
 
 class UnregisterTest(TestCase):
     def setUp(self):