Show notes
Classifiers are one bit of Python project metadata that predates PyPI.
Classifiers are weird.
They were around in setuptools days, and are still here with pyproject.toml.
- What are they?
- Why do we need them?
- Do we need them?
- Which classifiers should I include?
- Why are they called "trove classifiers" in the Python docs
Brett Cannon joins the show to discuss these wacky bits of metadata.
Here's an example, from pytest-crayons:
[project] ... classifiers = [ "License :: OSI Approved :: MIT License", "Framework :: Pytest" ]Links:
- Classifiers · PyPI
- PEP 621 – Storing project metadata in pyproject.toml | peps.python.org
- Packaging Python Projects — Python Packaging User Guide — Configuring metadata
- PEP 639 – Improving License Clarity with Better Package Metadata | peps.python.org
- SPDX
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