ERP5Site.py: delicate way to migrate workflow tool without triggering security check.

product/ERP5/ERP5Site.py

@@ -45,6 +45,10 @@ import os
 import warnings
 import transaction
 from App.config import getConfiguration
+from Products.ERP5.Tool.ERP5WorkflowTool import ERP5WorkflowTool
+from zope.lifecycleevent import ObjectCopiedEvent
+from OFS.event import ObjectClonedEvent
+from zope.event import notify
 MARKER = []
 
 # Site Creation DTML
@@ -1644,15 +1648,31 @@ class ERP5Site(FolderMixIn, CMFSite, CacheCookieMixin):
     """
     tool = self.portal_workflow
     if tool.getPortalType() != 'ERP5 Workflow Tool':
-      object_id_list = tool.objectIds()
-      object_clipboard = tool.manage_copyObjects(object_id_list)
-      new_tool = self.newContent(id='portal_workflow_new', portal_type='ERP5 Workflow Tool')
-      new_tool.manage_pasteObjects(object_clipboard)
+
+      # create new ERP5 Workflow Tool
+      self._setObject('portal_workflow_new', ERP5WorkflowTool())
+      new_tool = getattr(self, 'portal_workflow_new')
       new_tool._chains_by_type = tool._chains_by_type
-      # backup old type workflow tool
-      self.manage_delObjects('portal_workflow')
-      self.manage_renameObject(new_tool.id, 'portal_workflow')
-      new_tool.id = 'portal_workflow'
+
+      # copy-paste operation
+      for id in tool.objectIds():
+        ob = tool._getOb(id)
+        orig_id = ob.getId()
+        ob._notifyOfCopyTo(new_tool, op=0)
+        orig_ob = ob
+        ob = ob._getCopy(new_tool)
+        ob._setId(id)
+        notify(ObjectCopiedEvent(ob, orig_ob))
+        new_tool._setObject(id, ob)
+        ob = new_tool._getOb(id)
+        ob.wl_clearLocks()
+        ob._postCopy(new_tool, op=0)
+        notify(ObjectClonedEvent(ob))
+
+      # migration
+      self.portal_workflow = new_tool
+      self.portal_workflow.id = 'portal_workflow'
+      self._delObject(new_tool)
 Globals.InitializeClass(ERP5Site)
 
 def getBootstrapDirectory():