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Rulesets Rules 7 Standards Technologies Presets
Critical
1 rules

Use uv for package management

python

Use `uv` (not pip/poetry/pipenv). 100x faster, lockfile support, built-in venv. Commands: `uv add`, `uv run`.

Critical in 15 rulesets
High
1 rules

uv project structure

python

pyproject.toml for deps, uv.lock (commit it), .python-version, src/ layout. Python 3.12+.

High in 15 rulesets
Medium
5 rules

Use pip with requirements.txt

package_manager

requirements.txt with pinned versions. `pip freeze > requirements.txt`. Virtual environments. Prefer uv.

Medium in 4 rulesets

Use Poetry for Python dependency management

package_manager

pyproject.toml + poetry.lock. `poetry install --no-dev` for prod. Groups for dev deps. Prefer uv for speed.

Medium in 4 rulesets

Migrate from pipenv to uv

python

pipenv is slow and unmaintained. Migrate to uv for speed and modern features. `uv init` from existing.

Medium in 4 rulesets

uv scripts and commands

python

Define entry points in `[project.scripts]`. Run any command with `uv run <cmd>`. CI: `uv sync --frozen`.

Medium in 9 rulesets

uv workspaces for monorepos

python

Use `[tool.uv.workspace]` for multi-package repos. Single lockfile, editable local packages.

Medium in 5 rulesets