Mastering GUI Programming with Python

Building a TCP chat client

TCP is a stateful transmission protocol, meaning that a connection is established and maintained until the transmission is complete. TCP is also primarily a one-to-one connection between hosts, which we generally implement using a client-server design. Our TCP chat application will make a direct connection between two network hosts and will contain both a client component that will connect to other instances of the app and a server component that will handle incoming client connections.

In the tcp_chat.py file you created earlier, start a TCP chat interface class like so:

class TcpChatInterface(qtc.QObject):    port = 7777    delimiter = '||'    received = qtc.pyqtSignal(str, str)    error = qtc.pyqtSignal(str)

So far, this ...