serializers.py 文件源码

def update_education(education_list, profile_id):
    """
    Update education for given profile id.

    Args:
        education_list (list): List of education dicts.
        profile_id (int): User profile id.
    """
    saved_education_ids = set()
    for education in education_list:
        education_id = education.get("id")
        if education_id is not None:
            try:
                education_instance = Education.objects.get(profile_id=profile_id, id=education_id)
            except Education.DoesNotExist:
                raise ValidationError("Education {} does not exist".format(education_id))
        else:
            education_instance = None
        education_serializer = EducationSerializer(instance=education_instance, data=education)
        education_serializer.is_valid(raise_exception=True)
        education_serializer.save(profile_id=profile_id)
        saved_education_ids.add(education_serializer.instance.id)

    Education.objects.filter(profile_id=profile_id).exclude(id__in=saved_education_ids).delete()