🚧 create migrations for CMS 4

djangocms_page_meta/admin.py

@@ -1,5 +1,8 @@
 from cms.admin.pageadmin import PageAdmin
-from cms.extensions import PageExtensionAdmin, TitleExtensionAdmin
+try:
+    from cms.extensions import PageExtensionAdmin, PageContentExtensionAdmin
+except ImportError:
+    from cms.extensions import PageExtensionAdmin, TitleExtensionAdmin as PageContentExtensionAdmin
 from cms.utils import get_language_from_request
 from django.conf import settings
 from django.contrib import admin
@@ -68,7 +71,7 @@ def get_model_perms(self, request):
 
 
 @admin.register(TitleMeta)
-class TitleMetaAdmin(TitleExtensionAdmin):
+class TitleMetaAdmin(PageContentExtensionAdmin):
     form = TitleMetaAdminForm
     inlines = (GenericAttributeTitleInline,)
 

djangocms_page_meta/migrations/0017_alter_titlemeta_extended_object.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.2.16 on 2024-11-06 20:52
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cms', '0037_alter_cmsplugin_id_alter_globalpagepermission_id_and_more'),
+        ('djangocms_page_meta', '0016_auto_20230830_1007'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='titlemeta',
+            name='extended_object',
+            field=models.OneToOneField(editable=False, on_delete=django.db.models.deletion.CASCADE, to='cms.pagecontent'),
+        ),
+    ]

djangocms_page_meta/models.py

@@ -1,8 +1,15 @@
 import ast
 
-from cms.extensions import PageExtension, TitleExtension
+try:
+    from cms.models import Page, PageContent
+    from cms.extensions import PageExtension, PageContentExtension
+except ImportError:
+    from cms.extensions import PageExtension, TitleExtension as PageContentExtension
+    from cms.models import Page, Title as PageContent
+
+
 from cms.extensions.extension_pool import extension_pool
-from cms.models import Page, Title
+
 from django.conf import settings
 from django.core.cache import cache
 from django.db import models
@@ -98,7 +105,7 @@ def robots_list(self):
 extension_pool.register(PageMeta)
 
 
-class TitleMeta(TitleExtension):
+class TitleMeta(PageContentExtension):
     image = FilerFileField(
         null=True,
         blank=True,
@@ -206,7 +213,7 @@ def cleanup_page(sender, instance, **kwargs):
         cache.delete(key)
 
 
-@receiver(pre_delete, sender=Title)
+@receiver(pre_delete, sender=PageContent)
 def cleanup_title(sender, instance, **kwargs):
     key = get_cache_key(instance.page, instance.language)
     cache.delete(key)