fix #120: Add support for UTF-8 characters in IncompleteSelectMixin

formset/widgets.py

@@ -12,6 +12,7 @@
 from django.db.models.query_utils import Q
 from django.forms.models import ModelChoiceIterator, ModelChoiceIteratorValue
 from django.forms.widgets import DateTimeBaseInput, FileInput, Select, SelectMultiple, TextInput, Widget
+from django.utils.encoding import uri_to_iri
 from django.utils.timezone import datetime, now
 from django.utils.translation import gettext_lazy as _
 
@@ -108,6 +109,7 @@ def build_filter_query(self, filters):
             raise ImproperlyConfigured(f"Invalid attribute 'filter_by' in {self.__class__}.")
 
     def build_search_query(self, search_term):
+        search_term = uri_to_iri(search_term)
         try:
             return reduce(or_, (Q(**{sl: search_term}) for sl in self.search_lookup))
         except TypeError:

testapp/migrations/0001_initial.py

@@ -14,6 +14,15 @@ def initialize_opinions(apps, schema_editor):
     for counter in range(1, 3000):
         label = f"Opinion {counter:04}"
         OpinionModel.objects.create(tenant=1, label=label)
+    for counter in range(1, 500):
+        label = f"Übung {counter:04}"
+        OpinionModel.objects.create(tenant=1, label=label)
+    for counter in range(1, 500):
+        label = f"Оптион {counter:04}"
+        OpinionModel.objects.create(tenant=1, label=label)
+    for counter in range(1, 500):
+        label = f"επιλογή {counter:04}"
+        OpinionModel.objects.create(tenant=1, label=label)
 
 
 def initialize_counties(apps, schema_editor):