serializers.py 文件源码

def __init__(self, *args, **kwargs):
        serializers.ModelSerializer.__init__(self, *args, **kwargs)
        queryset = models.PersonEmail.objects.all()
        try:
            pk = self.context['view'].kwargs['pk']
        except KeyError:
            pk = None
        if pk is not None:
            try:
                queryset = queryset.exclude(person__id=pk)
            except ValueError:
                queryset = queryset.exclude(person__nb_id=pk)

        self.fields['address'] = serializers.EmailField(
            max_length=254,
            validators=[UniqueValidator(queryset=queryset)])