python-lang-org
diff --git a/‎CHANGELOG.rst‎
Lines changed: 3 additions & 0 deletions b/‎CHANGELOG.rst‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎feincms/models.py‎
Lines changed: 2 additions & 7 deletions b/‎feincms/models.py‎
Lines changed: 2 additions & 7 deletions
diff --git a/‎feincms/utils/__init__.py‎
Lines changed: 17 additions & 1 deletion b/‎feincms/utils/__init__.py‎
Lines changed: 17 additions & 1 deletion
@@ -8,6 +8,9 @@ Change log
 
 .. _Next version: https://github.com/feincms/feincms/compare/v22.3.0...main
 
+- Changed the ``template_key`` field type to avoid boring migrations because of
+  changing choices.
+
 
 `v22.3.0`_ (2022-05-17)
 ~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -21,7 +21,7 @@
 from django.utils.translation import gettext_lazy as _
 
 from feincms.extensions import ExtensionsMixin
-from feincms.utils import copy_model_instance
+from feincms.utils import ChoicesCharField, copy_model_instance
 
 
 class Region:
@@ -394,14 +394,9 @@ def register_templates(cls, *templates):
             except (StopIteration,):
                 cls.add_to_class(
                     "template_key",
-                    models.CharField(
+                    ChoicesCharField(
                         _("template"),
                         max_length=255,
-                        choices=(
-                            # Dummy choice to trick Django. Cannot be empty,
-                            # otherwise admin.E023 happens.
-                            ("__dummy", "__dummy"),
-                        ),
                     ),
                 )
                 field = next(
 
@@ -7,7 +7,7 @@
 
 from django.apps import apps
 from django.core.exceptions import ImproperlyConfigured
-from django.db.models import AutoField
+from django.db.models import AutoField, CharField
 
 from feincms import settings
 
@@ -151,3 +151,19 @@ def get_singleton(template_key, cls=None, raise_exception=True):
 def get_singleton_url(template_key, cls=None, raise_exception=True):
     obj = get_singleton(template_key, cls, raise_exception)
     return obj.get_absolute_url() if obj else "#broken-link"
+
+
+class ChoicesCharField(CharField):
+    """
+    ``models.CharField`` with choices, which makes the migration framework
+    always ignore changes to ``choices``, ever.
+    """
+
+    def __init__(self, *args, **kwargs):
+        kwargs.setdefault("choices", [("", "")])  # Non-empty choices for get_*_display
+        super().__init__(*args, **kwargs)
+
+    def deconstruct(self):
+        name, path, args, kwargs = super().deconstruct()
+        kwargs["choices"] = [("", "")]
+        return name, "django.db.models.CharField", args, kwargs