* test11.py
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import timeprint "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表示正在執行中
while p.poll() is None: <br> out = p.stdout.readline() <br> if out != "": <br> print out
補充知識：python 通過 subprocess.Popen執行命令，重定向實時輸出
執行命令
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import subprocessimport sys# 常用編碼GBK = 'gbk'UTF8 = 'utf-8'# 解碼方式，一般 py 文件執行為utf-8 ，cmd 命令為 gbkcurrent_encoding = GBKpopen = subprocess.Popen('ping www.baidu.com', shell = True, stdout = subprocess.PIPE, stderr = subprocess.PIPE, bufsize = 1)out,err = popen.communicate()print('std_out: ' + out)print('std_err: ' + err)print('returncode: ' + str(popen.returncode)) |
執行 .py文件
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import subprocessimport sys# 常用編碼GBK = 'gbk'UTF8 = 'utf-8'current_encoding = UTF8 popen = subprocess.Popen('python D:\code\test.py', stdout = subprocess.PIPE, stderr = subprocess.PIPE, bufsize = 1)out,err = popen.communicate()print('std_out: ' + out)print('std_err: ' + err)print('returncode: ' + str(popen.returncode)) |
以上這篇python subprocess pipe 實時輸出日志的操作就是小編分享給大家的全部內容了，希望能給大家一個參考，也希望大家多多支持服務器之家。
原文鏈接：https://www.cnblogs.com/chenadong/p/10150269.html
