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from django.apps import AppConfig
from django.core import checks
from django.db.models.query_utils import DeferredAttribute
from django.db.models.signals import post_migrate
from django.utils.translation import gettext_lazy as _
from . import get_user_model
from .checks import check_models_permissions, check_user_model
from .management import create_permissions
from .signals import user_logged_in
class AuthConfig(AppConfig):
default_auto_field = 'django.db.models.AutoField'
name = 'django.contrib.auth'
verbose_name = _("Authentication and Authorization")
def ready(self):
post_migrate.connect(
create_permissions,
dispatch_uid="django.contrib.auth.management.create_permissions"
)
last_login_field = getattr(get_user_model(), 'last_login', None)
# Register the handler only if UserModel.last_login is a field.
if isinstance(last_login_field, DeferredAttribute):
from .models import update_last_login
user_logged_in.connect(update_last_login, dispatch_uid='update_last_login')
checks.register(check_user_model, checks.Tags.models)
checks.register(check_models_permissions, checks.Tags.models)
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