def get_all_status(self):
        all_status = set()
        for attributes in self.actions.values():
            all_status.update(attributes['oldstates'])
            all_status.add(attributes['newstate'])
        all_status.discard('*')
        all_status.discard('')
        all_status.discard(None)
        return all_status
Return a list of all states described by the configuration.
dataset/ETHPy150Open edgewall/trac/trac/ticket/default_workflow.py/ConfigurableTicketWorkflow.get_all_status