netutil_test.py 文件源码

def test_same_port_allocation(self):
        if 'TRAVIS' in os.environ:
            self.skipTest("dual-stack servers often have port conflicts on travis")
        sockets = bind_sockets(None, 'localhost')
        try:
            port = sockets[0].getsockname()[1]
            self.assertTrue(all(s.getsockname()[1] == port
                                for s in sockets[1:]))
        finally:
            for sock in sockets:
                sock.close()