Preen is a command-line tool that helps Python developers ensure their projects conform to the py-canon fleet standard. It provides checks, fixes, and adoption utilities for consistent packaging, project layout, and release practices across multiple repositories. Designed for teams managing many Python projects, it integrates with Copier templates and standard tooling to streamline maintenance.
preen is a CLI tools & terminal product. It focuses on enforcing and adopting the py-canon Python project standards across a fleet of repositories. It is built as an open-source project for python developers and maintainers. preen is open source under the MIT license. preen is available on the command line.
Behind preen is gojiplus, and the product first shipped in 2025. Development happens publicly on GitHub with 46 commits in the last 90 days. Key capabilities include Conformance Checks, Automated Fixes, and Fleet Adoption.
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