Build Command Line Tools with argparse, Click, and Rich - Python CLI Tutorial #37
Learn CLI Applications! In this tutorial, you will learn how to build professional command line tools using three Python libraries: argparse, Click, and Rich.
What you will learn:
Creating argument parsers with ArgumentParser
Adding positional arguments and optional flags
Using store_true for boolean flag arguments
Setting argument types and default values
Building subcommands with Click decorators
Using click.group() and click.command()
Adding colored output with click.style()
Validating input with click.Choice
Creating formatted tables with Rich
Building styled panels with Rich markup
Formatting numbers with thousands separators
Combining Console, Table, and Panel for reports
Timestamps:
0:00 - Introduction
0:33 - argparse Basics Explained
1:00 - argparse Basics Demo
4:49 - Click Framework Explained
5:16 - Click Application Demo
9:01 - Rich Formatting Explained
9:28 - Rich Report Demo
12:40 - Recap
13:20 - End
Source code: https://github.com/GoCelesteAI/python...
Previous: Lesson 36 - SQLAlchemy ORM
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Next: Lesson 38 - REST APIs
Coming soon!
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