Translation setup

DEV_NOTES.md

@@ -0,0 +1,2 @@
+# Translation
+In `urls.py`, `i18n_patterns()` can be passed `prefix_default_language=False`. This disables the language url prefix for the default language, but results in breaking Django's `set_language` view (used by language selection dropdown), as it is not able to get the current url without language prefix. This could be solved by passing the redirect location as POST parameter `next`, and would require to write a hacky solution to remove the language prefix, if it exists.

config/settings/base.py

@@ -199,6 +199,7 @@
     ('en', _('English')),
     ('de', _('German')),
 )
+WAGTAILMODELTRANSLATION_TRANSLATE_SLUGS = False
 
 # WAGTAIL
 WAGTAIL_SITE_NAME = 'MPI CMS'

config/urls.py

@@ -5,19 +5,25 @@
 from django.conf import settings
 from django.contrib import admin
 from django.urls import include, path, re_path
+from django.conf.urls.i18n import i18n_patterns
 from django.conf.urls.static import static
 from django.views import defaults as default_views
 
 
 urlpatterns = [
     path(settings.ADMIN_URL, admin.site.urls),
+    path('i18n/', include('django.conf.urls.i18n')),
     re_path(r'^cms/', include(wagtailadmin_urls)),
     re_path(r'^documents/', include(wagtaildocs_urls)),
-    re_path(r'', include(wagtail_urls)),
 ] + static(
     settings.MEDIA_URL, document_root=settings.MEDIA_ROOT
 )
 
+urlpatterns += i18n_patterns(
+    # These URLs will have /<language_code>/ appended to the beginning
+    re_path(r'', include(wagtail_urls)),
+)
+
 if settings.DEBUG:
     urlpatterns += [
         path(