如何在基于ORM异常的Django视图中引发异常

from django.core.exceptions import ObjectDoesNotExist

from .models import MyModel

def my_view(request):
    try:
        obj = MyModel.objects.get(id=1)
    except ObjectDoesNotExist:
        # 处理对象不存在的情况
        raise Exception("对象不存在")

from .models import MyModel

class MyCustomException(Exception):
    pass

def my_view(request):
    try:
        obj = MyModel.objects.get(id=1)
    except ObjectDoesNotExist:
        # 处理对象不存在的情况
        raise MyCustomException("对象不存在")