fix: Modify language menu for pages only if it is present

CHANGELOG.rst

@@ -4,6 +4,7 @@ Changelog
 
 Unreleased
 ==========
+* fix: Only try modifying page language menu if it is present
 * fix: Added ``related_name`` attribute to the ``content_type`` foreign key of the ``Version`` model.
 * fix: burger menu adjusts to the design of django cms core dropdown
 * fix: bug that showed an archived version as unpublished in some cases in the state indicator

MANIFEST.in

@@ -2,4 +2,5 @@ include LICENSE.txt
 include README.rst
 recursive-include djangocms_versioning/static *
 recursive-include djangocms_versioning/templates *
+recursive-include djangocms_versioning/locale *
 recursive-exclude * *.pyc

djangocms_versioning/cms_toolbars.py

@@ -320,10 +320,9 @@ def override_language_menu(self):
         Override the default language menu for pages that are versioned.
         The default language menu is too generic so for pages we need to replace it.
         """
-        # Only override the menu if a page can be found
-        if settings.USE_I18N and self.page:
-            language_menu = self.toolbar.get_menu(LANGUAGE_MENU_IDENTIFIER, _("Language"))
-
+        # Only override the menu if it exists and a page can be found
+        language_menu = self.toolbar.get_menu(LANGUAGE_MENU_IDENTIFIER, _("Language"))
+        if settings.USE_I18N and language_menu and self.page:
             # remove_item uses `items` attribute so we have to copy object
             for _item in copy(language_menu.items):
                 language_menu.remove_item(item=_item)

djangocms_versioning/locale/nl/LC_MESSAGES/django.po

@@ -266,7 +266,7 @@ msgstr "Actie niet geldig. De laatste versie is gesloten door {user}"
 #: models.py:33
 #, python-brace-format
 msgid "Action Denied. The draft version is locked by {user}"
-msgstr "Actie niet geldig. De concept versie is gesloten door "
+msgstr "Actie niet geldig. De concept versie is gesloten door {user}"
 
 #: models.py:88
 msgid "Created"

tests/test_toolbars.py

@@ -578,3 +578,27 @@ def test_change_language_menu_page_toolbar_language_selector_version_link(self):
         self.assertEqual(en_item.url, en_preview_url)
         self.assertEqual(de_item.url, de_preview_url)
         self.assertEqual(it_item.url, it_preview_url)
+
+    def test_page_toolbar_wo_language_menu(self):
+        from django.utils.translation import gettext as _
+
+        pagecontent = PageContentWithVersionFactory(language="en")
+        page = pagecontent.page
+        # Get request
+        request = self.get_page_request(
+            page=page,
+            path=get_object_edit_url(pagecontent),
+            user=self.get_superuser(),
+        )
+        # Remove language menu from request's toolbar
+        del request.toolbar.menus[LANGUAGE_MENU_IDENTIFIER]
+
+        # find VersioningPageToolbar
+        for cls, toolbar in request.toolbar.toolbars.items():
+            if cls == "djangocms_versioning.cms_toolbars.VersioningPageToolbar":
+                # and call override_language_menu
+                toolbar.override_language_menu()
+                break
+
+        language_menu = request.toolbar.get_menu(LANGUAGE_MENU_IDENTIFIER, _("Language"))
+        self.assertIsNone(language_menu)