作者:尹子 | 来源:互联网 | 2021-11-14 19:18
* 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 != "":
print out
补充知识:python 通过 subprocess.Popen执行命令,重定向实时输出
执行命令
import subprocess
import sys
# 常用编码
GBK = 'gbk'
UTF8 = 'utf-8'
# 解码方式,一般 py 文件执行为utf-8 ,cmd 命令为 gbk
current_encoding = GBK
popen = 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))
执行 .py文件
import subprocess
import sys
# 常用编码
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))
以上这篇python subprocess pipe 实时输出日志的操作就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。