Courses/Python Foundations/Build a Real CLI Tool in Python
Python FoundationsBeginner7 modules~3.5 hours hands-on

Build a Real CLI Tool in Python

Build and install a real command-line task manager — the todo command — with argparse subcommands, JSON persistence, error handling, tests, and a pyproject entry point.

// What you'll be able to do
  • Prerequisites, scope, and honest expectations
  • Scaffold the todo package
  • argparse subcommands and dispatch
  • Read and write the JSON data file
// Curriculum

7 modules, built to run

Every module ships runnable code. Expand any one to see what's inside.

00IntroductionThe todo command you'll build and install30 min
ObjectiveThe todo command you'll build and install
Start moduleFree preview
ObjectivePrerequisites, scope, and honest expectations
ObjectiveScaffold the todo package
Objectiveargparse subcommands and dispatch
ObjectiveRead and write the JSON data file
ObjectiveError handling and a pytest suite
ObjectivePackage it so pip install gives a real todo command

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