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Python Packaging Basics: pyproject.toml, src Layout, pip install -e and Console Scripts That Actually Run

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Self-Hosting & Infra intermediate 6 min read $0.01 Updated 2026-10-20

Executed in a fresh venv: pip install -e . with setuptools, a mytool command printing its message, imports working from /tmp, requests installed as a dependency, and the build error when [tool.setuptools.packages.find] points to a missing directory.

Turn a folder of scripts into an installable package: one pyproject.toml, a src layout, an editable install so imports work from anywhere, and a console script entry point. Includes the error for a wrong packages.find path.

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#python#packaging#pyproject#pip#setuptools

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