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Python typed template ๐Ÿ

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A minimal, generic, and opinionated template for typed โœจ python projects that includes:

  • enforced type hints for non-test code because "explicit is better than implicit"
  • pyright to check those type hints because it's more accurate and faster than mypy
  • ruff for linting, formatting similar to black, import sorting, and auto fixing (eg: removing unused imports) because its the fastest and most feature complete solution
  • pytest for tests because it doesn't require classes unlike unittest
  • pre-commit to run the above on push, rather than commit, so your flow is interrupted less. Handy when you don't have CI or working in environments (eg: EC2, JupyterHub) without an IDE.
  • pyproject.toml for describing requirements and python versions as per PEP 621 (ie: no requirements.txt)
  • a Makefile for development/CI. It creates a virtualenv in .venv/ and sets up your development environment ie: git hooks, formatters and linters. When the requirements in pyproject.toml change, the virtualenv is updated. No pipenv/poetry/conda required. Will use uv to install dependencies if present.
  • a single virtualenv is assumed with a set of requirements for all packages, rather than a monorepo with multiple projects that have different requirements
  • a directory structure that prescribes packages at the top-level for convenience rather than under src/
  • repo and package naming conventions (see Template parameters below)

And not much else. This is meant to be generic, so anything specific to only a subset of projects probably lives elsewhere.

Project development prerequisites

Projects created using this template have development prerequisites. This includes node, which is required for pyright.

Template parameters

The template will ask for the following:

  • repo_name: The name of your repo. Repo names are lowered kebab-case, so hyphens rather than underscores, to be kind to humans.
  • package_name: The name of your main python package. A python package is a group of modules, ie: a directory with __init__.py file. Choose a short all-lowercase name without hyphens. The use of underscores is discouraged (see PEP8).
  • project_name: The name of the artifact when your project is built as a wheel or source distribution (aka sdist). Project names are lowered kebab-case. In most cases the package name and project name will be the same. This is used in pyproject.toml and needed even if you aren't building a wheel or sdist.
  • description: a one line description of your project.

Getting started

Install cookiecutter using pipx:

pipx install cookiecutter

To create a project, aka bake a cookie ๐Ÿช:

cookiecutter [email protected]:tekumara/python-typed-template.git
# replace repo-name below with the name you specified during template creation
cd repo-name
git init && git commit -m 'root commit' --allow-empty
make install

Contributing ๐ŸŒฑ

Please do! See CONTRIBUTING.md

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Python project template with type checking and Makefile ๐Ÿ

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