Appendix B — Creating a Package

A step-by-step checklist for creating a new Shiny for Python app-package from scratch.

B.1 Checklist

• Create a virtual environment: python -m venv .venv
• Scaffold the package: hatch new myapp
• Add shiny to [project.dependencies] in pyproject.toml
• Move app.py into the package directory
• Add a __main__.py entry point
• Register the entry point in pyproject.toml
• Install in editable mode: pip install -e .
• Set up pytest and write a first test
• Add a README.md
• Initialise a git repository