prettyconf

Pretty Conf is a Python library created to make easy the separation of configuration and code following the recommendations of 12 Factor’s topic about configs.

It is strongly inspired in python-decouple and both provides a similar API. It is framework agnostic and works the same way under Django, Flask, FastAPI or a plain command line script.

Installation

pip install prettyconf

The AwsParameterStore loader depends on boto3. Install the optional aws feature if you need it:

pip install prettyconf[aws]

prettyconf requires Python 3.10 or newer.

Documentation

You can find prettyconf documentation at Read the Docs website.

Development

The project uses uv and a Makefile as its entry point. make setup bootstraps everything, installing uv first if it is missing:

make setup

The remaining targets are listed by make help:

make test	run the test suite (ARGS="-k name" to filter)
make coverage	run the test suite with a coverage report
make lint	check the code with ruff
make format	reformat and auto-fix the code with ruff
make typecheck	check the types with ty
make docs	build the HTML documentation
make build	build the sdist and the wheel
make update-deps	upgrade every dependency and refresh uv.lock

Any target accepts a PYTHON variable to run against another supported interpreter, each one in its own virtualenv:

make test PYTHON=3.10

Pull requests should keep make lint, make typecheck and make test passing, and should describe the change well enough that a reviewer does not need to open the linked issue. Releases are published to PyPI by GitHub Actions when a GitHub release is created, which is what make release does.

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