Rahul Pai

Terminal Input Selector in Python

When writing a cli program that needs the user to make a choice, you might want to present a list of options and get a selection. The simplest way might be to print each option and get the user to type the one or the index of the one they want. It's better if they can simply use arrow keys to select instead.

A handy library for doing this is simple-term-menu:

from simple_term_menu import TerminalMenu

choices = ["one", "two", "three"]
chosen = choices[TerminalMenu(choices, title="Choose one of the following:").show()]
print(">", chosen)

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Muting Linter Errors in Python

Published: Sat 24 June 2023
By Rahul Pai

In Python.

Linters and static type checker are great for finding bugs in your code, but sometimes they misunderstand or you have some other reasons for leaving the code as is. In that case you might want to mute the error(s) to allow the linting or type checking to pass, either …
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Smart CLIs with Typer

Published: Sat 06 May 2023
Updated: Tue 29 August 2023
By Rahul Pai

In Python.

The go-to library for adding CLI functionality in python is the built in argparse library. This works really well, but there is a relatively new 3rd party library called typer that boasts a number of improvements.

Firstly, with typer, rather than configuring a parser with each argument, you can simply …
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