apps.py 文件源码

def ready(self):
        # Monkey-patch `RedirectNodeAdmin` to replace `fieldsets` attribute
        # with `base_fieldsets` to avoid infinitie recursion bug when using
        # django-polymorphic versions >= 0.8 and < 1.1, see:
        # https://github.com/django-fluent/django-fluent-pages/issues/110
        from django.conf import settings
        if 'fluent_pages.pagetypes.redirectnode' in settings.INSTALLED_APPS:
            from fluent_pages.pagetypes.redirectnode.admin \
                import RedirectNodeAdmin
            if getattr(RedirectNodeAdmin, 'fieldsets', None):
                RedirectNodeAdmin.base_fieldsets = RedirectNodeAdmin.fieldsets
                RedirectNodeAdmin.fieldsets = None

        # Connect signal handlers.
        post_migrate.connect(update_site, sender=self)

        # Import plugins from installed apps.
        autodiscover_modules('plugins')