本文介绍了TypeError:需要一个类似字节的对象，而不是“str"的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！
问题描述
The following is the code that tries to modify the input supplied by a user by using sockets:
from socket import *
serverName = '127.0.0.1'
serverPort = 12000
clientSocket = socket(AF_INET, SOCK_DGRAM)
message = input('Input lowercase sentence:')
clientSocket.sendto(message,(serverName, serverPort))
modifiedMessage, serverAddress = clientSocket.recvfrom(2048)
print (modifiedMessage)
clientSocket.close()
When I execute it and supply input the following error occurs:
Input lowercase sentence:fdsgfdf
Traceback (most recent call last):
File "C:srinath filesNETWORKSUDPclient.py", line 6, in <module>
clientSocket.sendto(message,(serverName, serverPort))
TypeError: a bytes-like object is required, not 'str'
What can I do to solve this?
解决方案
This code is good for Python 2. But in Python 3, results in bit encoding error. I was trying to make a simple TCP server and encountered the same problem. Encoding solves this. Try this with sendto command.
clientSocket.sendto(message.encode(),(serverName, serverPort))
Similarly you should use .decode() to receive the data on the UDP server side, if you want to print it exactly as it was sent.
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