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MODULE 18 · ADVANCED

Professional Python ProjectsPython · Module 18

Package a maintainable project, build a usable CLI, test its boundaries, and complete a production-minded capstone.

4 lessons16 min readingConnect, test, and ship1 project
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WHAT THIS MODULE COVERS

Professional Python Projects

Package a maintainable project, build a usable CLI, test its boundaries, and complete a production-minded capstone.

BEFORE YOU START

Modules, environments, tests, and data boundaries.

WHAT YOU’LL BE ABLE TO DO

Package a usable CLI with setuptools, generate stable JSON output, return meaningful exit codes, and document acceptance criteria for professional distribution.

THE LESSON SEQUENCE

Read in order, or jump to what you need.

Every lesson builds on the one before it. Open any lesson to read the explanation, run the examples, and try the practice challenges.

  1. 18.01
    Package Structure and pyproject.toml

    Create an installable project and verify the built artifact in a clean environment.

    4 min
  2. 18.02
    Command-Line Interfaces with argparse

    Design predictable arguments, helpful failures, stable output, and testable exit behavior.

    4 min
  3. 18.03
    Testing Strategy and CI

    Build a small test portfolio that checks meaningful contracts, integration boundaries, and the installed artifact.

    4 min
  4. 18.04
    Capstone: A Reliable Catalog CLIProject

    Combine validation, deterministic reporting, atomic file replacement, packaging, and user-facing acceptance checks.

    4 min
MODULE SELF-CHECK

Ready to move on?

Install the built wheel outside the source checkout and verify success cases, usage errors, and operational failures all behave as documented.

Open the module self-check