2019.10.17beta

import socket
import subprocess
import os
server = socket.socket()

server.bind(
    ('127.0.0.1',8888)
)

server.listen(3)

while 1:
    conn ,addr = server.accept()
    print(addr)

    while 1 :
        try:
            data = conn.recv(1024).decode('utf8')
            if  data == 'q':
                break

            if len(data) == 0:
                continue

            print(data)
            # conn.send(data.encode('utf8'))
            # res = subprocess.Popen(data,shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
            data=subprocess.Popen(data)
            # stdout = subprocess.PIPE
            out = data.stdout
            conn.send(out.encode('utf8'))
            # os.system(data)

        except Exception as e:
            print(e)
            break

    conn.close()

```python
import socket
client = socket.socket()
client.connect(
    ('127.0.0.1', 8888)
)

while 1 :
    cmd_msg = input('cmd:')
    if cmd_msg == 'q':
        break
    client.send(cmd_msg.encode('utf8'))

    data = client.recv(1024).decode('utf8')
    print(data)

client.close()
```