runner.py 文件源码

def _bail(self):
        from twisted.internet import reactor
        d = defer.Deferred()
        reactor.addSystemEventTrigger('after', 'shutdown',
                                      lambda: d.callback(None))
        reactor.fireSystemEvent('shutdown') # radix's suggestion
        # As long as TestCase does crap stuff with the reactor we need to
        # manually shutdown the reactor here, and that requires util.wait
        # :(
        # so that the shutdown event completes
        unittest.TestCase('mktemp')._wait(d)