code: def get_workflow_actions_for(brain_or_object):
      
      portal_type = api.get_portal_type(brain_or_object)
      actions = actions_by_type.get(portal_type, None)
      if actions:
          return actions
  
      # Retrieve the actions from the workflows this object is bound to
      actions = []
      wf_tool = api.get_tool("portal_workflow")
      for wf_id in get_workflow_ids_for(brain_or_object):
          workflow = wf_tool.getWorkflowById(wf_id)
          wf_actions = map(lambda action: action[0], workflow.transitions.items())
          actions.extend(wf_actions)
  
      actions = list(set(actions))
      actions_by_type[portal_type] = actions
      return actions
docs: Returns a list with the actions (transitions) supported by the workflows
      the object pass in is bound to. Note it returns all actions, not only those
      allowed for the object based on its current state and permissions.