SyntaxError: (unicode error) 'utf-8' codec can't decode byte 0xd0 in position 2: invalid continuation byte

[root@hostuser src]# python3 subprocess_popen.py
File "subprocess_popen.py", line 23
SyntaxError: (unicode error) 'utf-8' codec can't decode byte 0xd0 in position 2: invalid continuation byte

#!/usr/bin/python3
# coding=gbk
import os
import sys
curPath = os.path.abspath(os.path.dirname(__file__))
rootPath = os.path.split(curPath)[0]
sys.path.append(rootPath)
import subprocess
from src import logutils

def run():
    log=logutils.logger("app",rootstdout=True,handlerList=['I','E'])
    str_shell='df -m && netstat -ntlp'
    sub=subprocess.Popen(args=str_shell,shell=True,stdin=subprocess.PIPE,stdout=subprocess.PIPE,
                         stderr=subprocess.PIPE,universal_newlines=True)
    out,err=sub.communicate()
    #res=sub.stdout.readlines()
    #log.info(res)

    if sub.returncode == 0:
        #log.info("returncode is 0,执行输出正常")
        if out:
          log.info("执行输出正常")
          log.info(out)
        if err:
          log.error("出现异常")
          log.error(err,exc_info=True)
    else:
      if sub.returncode == 1:
          log.error("执行shell对象结果有空")
      else:
          raise subprocess.CalledProcessError(sub.returncode, str_shell)

      

if __name__ == '__main__':
    run()

　　

起初# -*- coding:utf-8 -*- 再运行还是报错，加上#coding=gbk问题完美解决

关于subprocess.returncode:

我总结的有以下几种情况

returncode=0 表示执行成功

returncode=1，表示执行结果为空

returncode=127 表示语句为空串

returncode=17 表示找不到表

returncode=64 表示缺失关键字

returncode=41 表示查询的字段不存在

！