+
+def add_translatable_index(index_class, fields, languages=None):
+ """Adds some translatable fields to a search index, and a getter."""
+ if languages is None:
+ languages = settings.LANGUAGES
+ for name, field in fields.items():
+ for lang_code, lang_name in languages:
+ new_field = copy(field)
+ fname = "%s_%s" % (name, lang_code)
+ new_field.index_fieldname = new_field.index_fieldname \
+ and "%s_%s" % (new_field.index_fieldname, lang_code) \
+ or fname
+ new_field.model_attr = new_field.model_attr \
+ and "%s_%s" % (new_field.model_attr, lang_code) \
+ or fname
+ setattr(index_class, fname, new_field)
+ index_class.fields[fname] = new_field
+
+
+def translated_fields(field_names, languages=settings.LANGUAGES):
+ return tuple("%s_%s" % (field_name, lang_code)
+ for field_name in field_names
+ for lang_code, lang_name in languages
+ )