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Python Ruff Linter & Formatter

Lint and auto-fix Python code with Ruff check and format.

Updated Jan 12, 2026
Search Tags:#code quality#linting#python#formatting#auto-fix#ruff#pyupgrade
One-click install
npx skills add https://github.com/drdave-flexnetos/ripple-env --skill python-ruff-linter-formatter-drdave-flexnetos
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Python Ruff Linter & Formatter
Source: https://github.com/drdave-flexnetos/ripple-env/tree/main/.claude/skills/python-ruff-tool
Command: npx skills add https://github.com/drdave-flexnetos/ripple-env --skill python-ruff-linter-formatter-drdave-flexnetos

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Ruff helps you automatically catch Python style, correctness, and modernization issues so you spend less time on manual linting and formatting and more time shipping code.

Core Features & Use Cases

  • Fast linting and rule-based diagnostics: Uses hundreds of rules to find PEP 8 violations, logical issues, unused imports, and unsafe patterns.
  • Auto-fixing with --fix: Applies safe, rule-driven corrections to reduce tedious cleanup work.
  • Black-compatible formatting: Ensures consistent code layout via ruff format, including check, diff, and CI-friendly validation.
  • Code modernization (UP rules): Updates deprecated or outdated Python constructs to newer, idiomatic syntax (e.g., pyupgrade-style improvements).

Use case: You inherit a Python repo with inconsistent formatting and lingering legacy syntax; run Ruff to both lint and auto-fix issues, then format everything to enforce a uniform style across the codebase.

Quick Start

Run ruff check --fix . && ruff format . to automatically fix lint issues and then format all Python files in the current project.

Frequently Asked Questions about Python Ruff Linter & Formatter

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automatically fix Python linting errors and format code at the same time?▼

Python code modernization updates deprecated or outdated constructs to newer, idiomatic syntax using Ruff's UP rules. This pyupgrade-style feature automatically rewrites legacy Python code to match modern language standards, reducing manual refactoring effort.

Can I use Ruff to enforce consistent Python formatting in CI pipelines?▼

Yes, you can use Ruff to enforce consistent Python formatting in CI pipelines. Ruff provides CI-friendly validation through `ruff format` with check and diff options, ensuring all repository files adhere to a uniform layout before code is merged.

What is the best way to remove unused imports and fix PEP 8 violations in a Python repository?▼

The best way to remove unused imports and fix PEP 8 violations is using Ruff's linting capabilities. It scans your repository with hundreds of rules to detect style errors and unsafe patterns, applying automated remediation via the `--fix` flag.

Does Ruff support Black-compatible code layout for Python projects?▼

Yes, Ruff supports Black-compatible code layout for Python projects. The `ruff format` command ensures consistent code formatting across your repository, providing an automated replacement for manual layout enforcement.

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