avoid generating migrations based on settings.LANGUAGE (#186)

* avoid generating migrations based on settings

* fixing flake8

* added migration reflecting model changes

* preparation for merge with other incoming migrations

djangocms_alias/migrations/0004_alter_aliascontent_language.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.20 on 2023-07-26 13:43
+
+from django.db import migrations, models
+import django.utils.translation
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('djangocms_alias', '0003_auto_20230725_1547'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='aliascontent',
+            name='language',
+            field=models.CharField(default=django.utils.translation.get_language, max_length=10),
+        ),
+    ]

djangocms_alias/models.py

@@ -268,7 +268,6 @@ class AliasContent(models.Model):
     placeholder_slotname = 'content'
     language = models.CharField(
         max_length=10,
-        choices=settings.LANGUAGES,
         default=get_language,
     )
 
@@ -278,6 +277,10 @@ class Meta:
         verbose_name = _('alias content')
         verbose_name_plural = _('alias contents')
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._meta.get_field('language').choices = settings.LANGUAGES
+
     def __str__(self):
         return f'{self.name} ({self.language})'