WorkflowTool.py: before processing DC workflow's worklist, check if the...

WorkflowTool.py: before processing DC workflow's worklist, check if the workflow has already been check by new workflow's worklist checker.

product/ERP5/Tool/WorkflowTool.py

@@ -748,15 +748,17 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
             worklist_dict[wf_id] = a
 
     for wf_id in chain:
-      did[wf_id] = None
-      wf = self.getWorkflowById(wf_id)
-      if wf is not None:
-        a = wf.listObjectActions(info)
-        if a is not None:
-          actions.extend(a)
-        a = wf.getWorklistVariableMatchDict(info)
-        if a is not None:
-          worklist_dict[wf_id] = a
+      # check if the workflow has been checked.
+      if not did.has_key(wf_id):
+        did[wf_id] = None
+        wf = self.getWorkflowById(wf_id)
+        if wf is not None:
+          a = wf.listObjectActions(info)
+          if a is not None:
+            actions.extend(a)
+          a = wf.getWorklistVariableMatchDict(info)
+          if a is not None:
+            worklist_dict[wf_id] = a
 
     wf_ids = self.getWorkflowIds()
     for wf_id in wf_ids: