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Tkinter GUI Application Development Blueprints, Second Edition

You're reading from   Tkinter GUI Application Development Blueprints, Second Edition Build nine projects by working with widgets, geometry management, event handling, and more

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788837460
Length 422 pages
Edition 2nd Edition
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Author (1):
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Bhaskar Chaudhary Bhaskar Chaudhary
Author Profile Icon Bhaskar Chaudhary
Bhaskar Chaudhary
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Table of Contents (12) Chapters Close

Preface 1. Meet Tkinter FREE CHAPTER 2. Making a Text Editor 3. Programmable Drum Machine 4. Game of Chess 5. Building an Audio Player 6. Paint Application 7. Piano Tutor 8. Fun with Canvas 9. Multiple Fun Projects 10. Miscellaneous Tips 11. Other Books You May Enjoy

Building a chat application

Next, let's build a multi-client chat room. The goal of this program is to explore socket programming in further detail. This section also implements and discusses the client-server architecture that is so common in all network programs.

Our chat program will consist of a chat server, which listens for and receives all incoming messages on a given port.

It also maintains a list of chat clients that connect to the server. It then broadcasts any incoming messages to all connected clients:

Let's start with the code for the chat server.

A server runs on a remote host and has a socket bound to a specific port number. The server just waits, listening to the socket for a client to make a connection request.

Here's the code for a chat server (see 9.09_chat_server.py):

class ChatServer:
clients_list = []
last_received_message = "&quot...
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