i18n_fields function.

shared/multilingual/utils/__init__.py

@@ -0,0 +1,11 @@
+# Erik Stein <code@classlibrary.net>, 2017
+
+from collections import OrderedDict
+from django.conf import settings
+
+from shared.utils.translation import lang_suffix
+
+
+def i18n_fields(field_name, languages=None):
+    return [lang_suffix(l, field_name) for l in languages or
+        OrderedDict(settings.LANGUAGES).keys()]

shared/multilingual/utils/fields.py

@@ -12,9 +12,10 @@ from shared.utils.translation import get_language, lang_suffix
 def get_translated_value(name):
     def translated_value(obj):
         language = get_language()
-        val = obj.__dict__["%s%s" % (name, lang_suffix(language))]
+        val = obj.__dict__[lang_suffix(language, name)]
+        # FIXME Try all available languages, not only the default one
         if not val:
-            val = obj.__dict__["%s%s" % (name, lang_suffix(settings.LANGUAGE_CODE))]
+            val = obj.__dict__[lang_suffix(settings.LANGUAGE_CODE, name)]
         return val
     return translated_value