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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

Persisting settings

Our settings work, but there's a major annoyance: they don't persist between sessions. Shut down the application and start it up again, and you'll see that the settings are back to their defaults. It's not a major problem, but it's a rough edge we shouldn't leave for our users.

Python gives us a variety of ways to persist data in files. We've already experienced CSV, which is designed for tabular data; there are other formats designed with different capabilities in mind.

The following table shows just a few of the options for storing data available in the Python standard library:

Library
Data type
Suitable 
Benefits
Drawbacks
pickle Binary Any kind of object Fast, easy, small files Not safe, files aren't ...
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Publisher Resources

ISBN: 9781788835886Supplemental Content