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Python GUI Programming with Tkinter
book

Python GUI Programming with Tkinter

by Alan D. Moore
May 2018
Beginner to intermediate content levelBeginner to intermediate
452 pages
11h 26m
English
Packt Publishing
Content preview from Python GUI Programming with Tkinter

Creating a communications protocol

Now that we have established a channel for inter-thread communication, we have to decide how our two threads will communicate. In other words, what exactly will our uploader thread place on the queue, and how should our application thread respond to it? We could just throw anything into the queue and keep writing cases on the app-side to deal with whatever shows up, but a better approach is to create a mini-protocol that standardizes communications.

Our uploader thread will mainly be sending status-related information back to the application so that it can display updates about what's happening in message boxes or on the status bar. Let's create a message format that we can use to determine what the thread ...

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Publisher Resources

ISBN: 9781788835886Supplemental Content