from subprocess import Popen, PIPE, STDOUT


def exe_command(command):
"""
执行 shell 命令并实时打印输出
:param command: shell 命令
:return: process, exitcode
"""
print(command)
process = Popen(command, stdout=PIPE, stderr=STDOUT, shell=True)
with process.stdout:
for line in iter(process.stdout.readline, b''):
print(line.decode().strip())
exitcode = process.wait()
return process, exitcode