views.py 文件源码

def get_canonical_meaning_list(meaning_list=None, request=None):
    """Returns a MeaningList object"""
    try:
        if meaning_list is None:
            meaning_list = MeaningList.objects.get(name=MeaningList.DEFAULT)
        elif meaning_list.isdigit():
            meaning_list = MeaningList.objects.get(id=meaning_list)
        else:
            meaning_list = MeaningList.objects.get(name=meaning_list)
    except MeaningList.DoesNotExist:
        if request:
            messages.info(
                request,
                "There is no meaning list matching"
                " '%s' in the database" % meaning_list)
        raise Http404
    return meaning_list