def get_missing_languages(self, field_name, db_table):
        db_table_fields = self.get_table_fields(db_table)
        for lang_code in AVAILABLE_LANGUAGES:
            if build_localized_fieldname(field_name, lang_code) not in db_table_fields:
                yield lang_code
Gets only missings fields.
dataset/ETHPy150Open deschler/django-modeltranslation/modeltranslation/management/commands/sync_translation_fields.py/Command.get_missing_languages