server

import socket

server = socket.socket()
server.bind(('10.7.156.97', 8082))
server.listen(512)

while True:
    conversation, addr = server.accept()

    message_re = conversation.recv(1024).decode('utf-8')

    if message_re == '1':
        # 发送图片
        print('发送图片')
        with open('./files/luffy.jpeg', 'br') as f:
            content = f.read()
            conversation.send(content)  # 发送图片信息
            conversation.close()
    elif message_re == '2':
        message = input('>>>')
        conversation.send(message.encode('utf-8'))
        conversation.close()

client

import socket

number = 0

page = """
===========================
1. 需要图片
2. 需要文字
3. 通知结束
==========================="""

while True:
    client = socket.socket()
    client.connect(('10.7.156.97', 8082))
    print(page)
    value = input('请选择(1-3):')

    # 发送数据
    client.send(value.encode('utf-8'))

    # 接收服务器返回的数据
    if value == '1':
        data = bytes()
        message_re = client.recv(1024)
        while message_re:
            print('接收到图片')
            data += message_re
            message_re = client.recv(1024)

        # 关闭连接
        client.close()
        number += 1
        with open('./new%d.jpeg'%number, 'wb') as f:
            f.write(data)

    elif value == '2':
        message_re = client.recv(1024)
        print(message_re.decode('utf-8'))
        # client.close()