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我一直在尝试在中间件进程函数中导入模型，但出现错误：
Value: Model class x doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS

我猜问题是应用程序设置不完整，但是，我解决这个问题的所有尝试都碰壁了。

中间件.py 函数

from notifications.models import Notification
    ...

class CheckNotificationMiddleware(object):

    """
    Checks clicked notification to mark it as read
    """
    def process_request(self, request):
        if request.user.is_authenticated():

            notification_id = request.GET.get('notification_id')
            if notification_id:
                AppConfig.get_model('Notification')
                try:

                    notification = Notification.objects.get(
                        pk=notification_id, status=0, recipient=request.user)
                    notification.status = 1
                    notification.save()
                except ObjectDoesNotExist:
                    pass

设置.py

INSTALLED_APPS = (
...
    'notifications',
...
)

我尝试了几件事，包括...

from django.apps import AppConfig
AppConfig.get_model('Notification')

我正在使用 Django 1.11 版和 python 2.7

4

1 回答 1

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你必须包括notifications在

INSTALLED_APPS = [
'notifications',
]

在设置文件中

于 2020-10-06T07:14:01.137 回答