@classmethod
def get_or_create_from_source_and_translation_data(cls, translation_source, translations, **kwargs):
    (custom_data, created) = CustomTranslationData.objects.get_or_create(translation_source=translation_source, **kwargs)
    return (custom_data, created)
@classmethod
def get_or_create_from_source_and_translation_data(cls, translation_source, translations, **kwargs):
    (custom_data, created) = CustomTranslationData.objects.get_or_create(translation_source=translation_source, **kwargs)
    return (custom_data, created)