我的代码没有将下面的列表发送到服务器端。如何将列表序列化为要通过 Clint 服务器网络发送的字节?
错误消息: info=pickle.loads(buf( _泡菜。取消酸洗错误:加载键无效,"H"。
import socket
import sys
from io import BytesIO
import struct
import pickle
portnum = 5000
hostname = 'localhost'
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_addr = (hostname,portnum)
sock.connect(server_addr)
msg = "Hello There!"
numbers = [1,2,3,4,5]
sock.send(str.encode(msg))
serial_grades = pickle.dumps(numbers)
sock.send(serial_grades)
print("Message sent")
sock.close()
print ("Sending message: ", msg)
print ("done.")
sock.close()
import struct
import socket
import sys
from io import BytesIO
import pickle
port = 5000
hostname = 'localhost'
def byte_to_string(bytes_):
bytes_ = str(bytes_)
return bytes_[2:len(bytes_) - 1]
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind((hostname, port))
sock.listen(2)
print ("Ready. Listening to socket...")
conn,addr = sock.accept()
buf = conn.recv(8092)
buf_2 = conn.recv(8092)
response = byte_to_string(buf)
info=pickle.loads(buf)
print(info)
print ("We've got a message "+str(response))
sock.close()
我可以向您推荐通过网络发送列表对象的最简单方法之一。让我们定义两个函数。第一个是:
def list_to_bytes(lst):
return lst.__repr__().encode('utf-8')
它获取列表实例并将其转换为字节字符串。您应该在客户端使用它。第二个功能是:
def bytes_to_list(bts):
return eval(bts.decode('utf-8'))
上面的函数获取字节字符串,并通过内置的eval
函数将其转换为列表实例。在服务器端使用描述的功能。