populate_history: support for default-date parameter

Author: The-Alchemist

AUTHORS.rst

@@ -130,6 +130,7 @@ Authors
 - Stefan Borer (`sbor23 <https://github.com/sbor23>`_)
 - Steven Buss (`sbuss <https://github.com/sbuss>`_)
 - Steven Klass
+- The Alchemist (`The-Alchemist <https://github.com/The-Alchemist>`_)
 - Thijs Kramer (`thijskramer <https://github.com/thijskramer>`_)
 - Tim Schilling (`tim-schilling <https://github.com/tim-schilling>`_)
 - Todd Wolfson (`twolfson <https://github.com/twolfson>`_)

CHANGES.rst

@@ -3,6 +3,7 @@ Changes
 
 Unreleased
 ----------
+- Added ``--default-date`` option to ``populate_history`` command (gh-688)
 
 3.10.1 (2025-06-20)
 -------------------

runtests.py

@@ -46,16 +46,16 @@ def __getitem__(self, item):
         "default": {
             "ENGINE": "django.db.backends.postgresql",
             "NAME": "test",
-            "USER": "debug",
-            "PASSWORD": "debug",
+            "USER": "postgres",
+            "PASSWORD": "postgres",
             "HOST": "127.0.0.1",
             "PORT": 5432,
         },
         "other": {
             "ENGINE": "django.db.backends.postgresql",
             "NAME": "other",
-            "USER": "debug",
-            "PASSWORD": "debug",
+            "USER": "postgres",
+            "PASSWORD": "postgres",
             "HOST": "127.0.0.1",
             "PORT": 5432,
         },

simple_history/management/commands/populate_history.py

@@ -67,7 +67,11 @@ def handle(self, *args, **options):
             if self.verbosity >= 1:
                 self.stdout.write(self.COMMAND_HINT)
 
-        self._process(to_process, batch_size=options["batchsize"], default_date=options["default_date"])
+        self._process(
+            to_process,
+            batch_size=options["batchsize"],
+            default_date=options["default_date"],
+        )
 
     def _auto_models(self):
         to_process = set()
@@ -143,7 +147,9 @@ def _bulk_history_create(self, model, batch_size, default_date=None):
             # creating them. So we only keep batch_size worth of models in
             # historical_instances and clear them after we hit batch_size
             if index % batch_size == 0:
-                history.bulk_history_create(instances, batch_size=batch_size, default_date=default_date)
+                history.bulk_history_create(
+                    instances, batch_size=batch_size, default_date=default_date
+                )
 
                 instances = []
 
@@ -159,7 +165,9 @@ def _bulk_history_create(self, model, batch_size, default_date=None):
 
         # create any we didn't get in the last loop
         if instances:
-            history.bulk_history_create(instances, batch_size=batch_size, default_date=default_date)
+            history.bulk_history_create(
+                instances, batch_size=batch_size, default_date=default_date
+            )
 
     def _process(self, to_process, batch_size, default_date=None):
         for model, history_model in to_process:

simple_history/tests/tests/test_commands.py

@@ -199,7 +199,11 @@ def test_populate_with_default_date(self):
         Poll.objects.create(question="Will this populate?", pub_date=datetime.now())
         Poll.history.all().delete()
         management.call_command(
-            self.command_name, auto=True, default_date=date, stdout=StringIO(), stderr=StringIO()
+            self.command_name,
+            auto=True,
+            default_date=date,
+            stdout=StringIO(),
+            stderr=StringIO(),
         )
         self.assertEqual(Poll.history.all().count(), 1)
         self.assertEqual(Poll.history.all()[0].history_date, date)

simple_history/tests/tests/test_utils.py

@@ -656,4 +656,3 @@ def test_update_change_reason_with_excluded_fields(self):
         update_change_reason(poll, "Test change reason.")
         most_recent = poll.history.order_by("-history_date").first()
         self.assertEqual(most_recent.history_change_reason, "Test change reason.")
-