Instantly Turn Any Python Script into a Command-Line Tool (Google’s Python Fire Tutorial) (042)
Welcome to the Developer Service YouTube Channel.
Tired of writing endless `argparse` boilerplate?
With Google’s Python Fire, you can turn any function, class, or module into a powerful command-line interface (CLI) — automatically.
In this video, I’ll show you how to:
Create CLIs from Python functions and classes
Build nested commands and flags
Handle types, errors, and help menus automatically
By the end, you’ll be able to go from a normal Python script to a fully working CLI tool in just a few lines of code.
What You’ll Learn
What is Google Python Fire?
How to use `fire.Fire()` with functions, classes, and dicts (for tools)
Handling arguments and subcommands
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Code Examples
GitHub: https://github.com/nunombispo/GoogleF...
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Chapters:
00:00 - Intro
00:16 - What You'll Learn
00:34 - What is Google Python Fire?
00:48 - Install Google Python Fire
01:01 - Example 1 - Function CLI
01:54 - Example 2 - Class CLI
03:28 - Example 3 - Tools CLI
04:41 - Flags, Types and Parsing
05:12 - Handling Errors
05:47 - Tips & Gotchas
06:39 - Outro
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Tools Used
Python 3.12+
Python Fire → https://github.com/google/python-fire
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Until next time, happy coding!
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