auth_user 的自定义模型管理器
我想在 auth user 模型上添加两个额外的管理器，active 和 inactive，以便为我提供活跃用户或非活跃用户。这就是模型的外观（即使它无效）：
from django.contrib.auth.models import User
class ActiveManager(models.Manager):
def get_query_set(self):
return super(ActiveManager, self).get_query_set().filter(active=True)
class InactiveManager(models.Manager):
def get_query_set(self):
return super(InactiveManager, self).get_query_set().filter(active=False)
class User(models.Model):
# user model...
all_users = models.Manager()
objects = ActiveManager()
inactive = InactiveManager()
我应该将其放置在哪里/如何准确地进行查询，例如 User.inactive.all() ？谢谢。
I want to include two extra managers on the auth user model, active and inactive, to give me just active, or just inactive users. This is how the model would look (even if the it is invalid):
from django.contrib.auth.models import User
class ActiveManager(models.Manager):
def get_query_set(self):
return super(ActiveManager, self).get_query_set().filter(active=True)
class InactiveManager(models.Manager):
def get_query_set(self):
return super(InactiveManager, self).get_query_set().filter(active=False)
class User(models.Model):
# user model...
all_users = models.Manager()
objects = ActiveManager()
inactive = InactiveManager()
Where / how exactly would I place this so I can do a query such as User.inactive.all() ? Thank you.
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您需要在 Manager 上使用
contribute_to_class方法。您将需要这样的东西，而不是您在那里的User类：我怀疑您在哪里执行此操作并不重要，只要它发生得好且早（在您使用它之前！） - 某处的 models.py 感觉有点正确。
You're going to need to use the
contribute_to_classmethod on your Manager. Instead of theUserclass you have there, you will need something like this:I suspect it doesn't matter exactly where you do this as long as it happens nice and early (before you use it!) - a models.py somewhere would feel vaguely right.