python open a new process order execution system, test execution in order to obtain complete returns, test1 real-time access return results
import subprocess def test(cmd): p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE) lines = p.stdout.readlines() for line in lines: tmp = line.decode('gbk').strip() print(tmp) def test1(cmd): p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE) for i in iter(p.stdout.readline, ''): if len(i) < 1: break print(i.decode('gbk').strip()) if __name__ == '__main__': test("ping www.baidu.com") test1("ping www.baidu.com")