The document provides guidelines for building an open source Python application the right way. It recommends following best practices and conventions to make the code easy to use by others. The key aspects covered are: writing good code and tests, using documentation and modules, managing dependencies, setting up virtual environments, publishing to PyPI, and automating tasks with Makefiles. Additional recommendations include adding AUTHORS, CHANGELOG, CONTRIBUTING and license files. The goal is to structure the project properly and follow open source conventions to encourage contributions from others.