Fixed slugs not being generated for unicode texts

localized_fields/fields/localized_autoslug_field.py

@@ -83,7 +83,12 @@ class LocalizedAutoSlugField(LocalizedField):
 
                 return not type(instance).objects.filter(**unique_filter).exists()
 
-            slug = self._make_unique_slug(slugify(value), lang_code, is_unique)
+            slug = self._make_unique_slug(
+                slugify(value, allow_unicode=True),
+                lang_code,
+                is_unique
+            )
+
             slugs.set(lang_code, slug)
 
         setattr(instance, self.name, slugs)

tests/test_localized_auto_slug_field.py

@@ -59,6 +59,17 @@ class LocalizedAutoSlugFieldTestCase(TestCase):
 
         assert another_obj.slug.en == 'title-1'
 
+    def test_unique_slug_utf(self):
+        """Tests whether generating a slug works
+        when the value consists completely out
+        of non-ASCII characters."""
+
+        obj = self.TestModel()
+        obj.title.en = 'مكاتب للايجار بشارع بورسعيد'
+        obj.save()
+
+        assert obj.slug.en == 'مكاتب-للايجار-بشارع-بورسعيد'
+
     @staticmethod
     def test_deconstruct():
         """Tests whether the :see:deconstruct