WorkflowTool.py: also convert interactuion variable, which should have been done.

product/ERP5/Tool/WorkflowTool.py

@@ -482,7 +482,7 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
         variable.setInitialValue(vdef.default_value)
         variable.setDescription(vdef.description)
       # configure transition variable
-      if dc_workflow.transitions is not None:
+      if getattr(dc_workflow, 'transitions', None) is not None:
         for tid in dc_workflow.transitions:
           origin_tdef = dc_workflow.transitions[tid]
           transition = workflow._getOb('transition_'+tid)
@@ -497,6 +497,21 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
             tr_var_path = '/'.join(tr_var_path.split('/')[2:])
             new_category.append(tr_var_path)
             tr_var.setCausalityList(new_category)
+      if getattr(dc_workflow, 'interactions', None) is not None:
+        for tid in dc_workflow.interactions:
+          origin_tdef = dc_workflow.interactions[tid]
+          interaction = workflow._getOb('interaction_'+tid)
+          new_category = []
+          if origin_tdef.var_exprs is None:
+            var_exprs = {}
+          else: var_exprs = origin_tdef.var_exprs
+          for key in var_exprs:
+            tr_var = interaction.newContent(portal_type='Transition Variable', temp_object=temp)
+            tr_var.setDefaultExpr(var_exprs[key].text)
+            tr_var_path = getattr(workflow, 'variable_'+key).getPath()
+            tr_var_path = '/'.join(tr_var_path.split('/')[2:])
+            new_category.append(tr_var_path)
+            tr_var.setCausalityList(new_category)
       self._finalizeWorkflowConversion(dc_workflow)
       workflow.setId(workflow.default_reference)
     return workflow