How to build a Tkinter application using an object oriented approach

In a previous tutorial we saw the basic concepts behind the usage of Tkinter, a library used to create graphical user interfaces with Python. In this article we see how to create a complete although simple application. In the process, we learn how to use threads to handle long running tasks without blocking the interface, how to organize a Tkinter application using an object oriented approach, and how to use Tkinter protocols.

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Getting started with Tkinter for Python tutorial

Tkinter stands for “Tk interface”: the package with the same name on many Linux distributions provides the Python bindings for the Tcl/Tk GUI toolkit. Although other graphical toolkit can be used from Python, like Qt or GTK, Tkinter is the standard (the Python IDLE editor and development environment is written using this toolkit, for example) and probably the easiest to work with.

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How to manage Bash history

BASH (Bourne Again SHell) is the default shell in practically all Linux-based operating systems. All the commands we write in the terminal are interpreted by the shell, and become part of its history. In this tutorial we see where the shell history is saved, and how to manage it using the “history” built-in command and some environment variables.

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