python subprocess pipe 实时输出日志的操作

* test11.py import time print 1 time.sleep(2) print 1 time.sleep(2) print 1 time.sleep(2) print 1 * test.py import subprocess p = subprocess.Popen(“python test11.py”, shell=True, stdout=subprocess.PIPE) # None表示正在执行中 while p.poll() is None: out = p.stdout.readline() if out !