Python3 执行系统命令并获取实时回显功能

@staticmethod
def __external_cmd(cmd, code="utf8"):
  print(cmd)
  process = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
  while process.poll() is None:
    line = process.stdout.readline()
    line = line.strip()
    if line:
      print(line.decode(code, 'ignore'))

import os
p = os.popen('uptime')
x=p.read()
print x

import subprocess
res = subprocess.Popen('uptime',shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE,close_fds=True)
result = res.stdout.readlines()