from django.dispatch import receiver from django.db.models.signals import post_migrate from django.apps import apps from .builtin import BuiltinRole @receiver(post_migrate) def after_migrate_update_builtin_role_permissions(sender, app_config, **kwargs): # 最后一个 app migrations 后执行, 更新内置角色的权限 last_app = list(apps.get_app_configs())[-1] if app_config.name == last_app.name: print("After migration, update builtin role permissions") BuiltinRole.sync_to_db()