[Update] 修改系统用户推送，拆分assets的部分模块

apps/perms/signals_handler.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+#
+
+from django.db.models.signals import post_save, post_delete
+from django.dispatch import receiver
+
+from common.utils import get_logger
+from .models import NodePermission
+
+
+logger = get_logger(__file__)
+
+
+@receiver(post_save, sender=NodePermission, dispatch_uid="my_unique_identifier")
+def on_asset_permission_create_or_update(sender, instance=None, **kwargs):
+    if instance and instance.node and instance.system_user:
+        instance.system_user.nodes.add(instance.node)
+