通过python socket远程执行命令，并返回值

#!/usr/bin/env python
#  TCP-Server
import socket
import subprocess
sk_obj = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sk_obj.bind(('127.0.0.1',8000))
sk_obj.listen(5)
while True:
    conn,ipaddr = sk_obj.accept()
    print ('connection from ip: %s' % ipaddr[0])
    while True:
        try:
            from_recv = conn.recv(8096)
            if len(from_recv) == 0:continue
            print ('from ip : %s information : %s' % (ipaddr[0],from_recv))
            res = subprocess.Popen(from_recv.decode('utf-8'),shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
            msg = res.stdout.read()
            if len(msg) == 0:
                msg = res.stderr.read()
            conn.send(msg)
        except Exception:
            break
    conn.close()
sk_obj.close()

#!/usr/bin/env python
#  TCP-Client
import socket
import sys
sk_obj=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sk_obj.connect(('127.0.0.1',8000))
while True:
    msg = raw_input('-->').strip()
    if len(msg)==0:continue
    sk_obj.send(msg.encode('utf-8'))
    data = sk_obj.recv(8096)
    print ('Server send information : %s' % data.decode('utf-8'))
sk_obj.close()