apache/airflowNew scan
95/ 100 · A

A top-tier open source project. Docs, tests, and CI are all in excellent shape.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Python45,809 starsApache-2.0updated 3d ago

Outstanding work. A score of 95/100 puts this repo in a very small tier of truly well-engineered open source projects.

DocumentationREADME, setup, examples, license
92
EngineeringTests, CI, linting, lockfiles
94
Project healthDescription, activity, stars, deps
100

What to fix first

The highest-impact improvements for this repo.

  1. 1
    CI/CD
    EngineeringInfo

    Add a lint step (e.g. `npm run lint`, `ruff check .`, `cargo clippy`) to catch style issues automatically.

  2. 2
    CI/CD
    EngineeringInfo

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

  3. 3
    Contributing guide
    DocumentationInfo

    Add setup instructions, code style notes, and how to run tests.

Detailed breakdown

Documentation

92
  • README100
    • README is present.
    • README is well structured with multiple sections.
    • README includes screenshots or visuals. Great for first impressions.
    • README has code examples.
    • README links to a live demo or deployed app.
    • README includes status badges.
  • Install and run instructions100
    • README documents how to install the project.
    • README documents how to run the project.
    • .env.example is present. Contributors can see exactly which env vars to set.
  • License100
    • Licensed under Apache-2.0.
  • Contributing guide50
    • CONTRIBUTING guide is very brief (0 pts for depth); 150+ words earns +6 pts, 400+ earns +12 pts.Add setup instructions, code style notes, and how to run tests.
    • Contributing guide lacks a setup section (−12 pts).Show new contributors how to get a local dev environment running.
    • Contributing guide lacks a code style section (−8 pts).Describe your linting/formatting rules and how to run them (e.g. npm run lint, ruff check .).
    • Contributing guide lacks a testing section (−8 pts).Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    • Contributing guide lacks a PR workflow section (−8 pts).Explain how to fork, branch, and open a pull request so contributors know what to expect.
    • Contributing guide has no code examples (−5 pts).Add code blocks showing example commands for setup, running tests, and submitting a PR.
    • Code of conduct present.

Engineering

94
  • Tests95
    • Test files detected (airflow-core/src/airflow/api_fastapi/auth/managers/simple/ui/src/login/Login.test.tsx).
    • Pytest referenced in pyproject.toml and test files present.
    • Coverage reporting is configured in pyproject.toml.
  • CI/CD85

    Not applicable?

    • CI is configured (.github/workflows/check-newsfragment-pr-number.yml).
    • CI workflow runs tests.
    • CI runs on pull requests, not just on pushes to main.
    • CI does not appear to run a linter (−15 pts).Add a lint step (e.g. `npm run lint`, `ruff check .`, `cargo clippy`) to catch style issues automatically.
    • CI runs type checking (tsc, mypy, cargo check, etc.).
    • Optional: report test coverage in CI.Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.
    • CI tests across multiple environments or versions.
  • Linting and formatting100
    • Linter or formatter configured (.editorconfig).
    • pyproject.toml configures both a formatter/linter (ruff/black) and type checking (mypy).
  • Reproducibility100
    • Lockfile present (uv.lock). Installs are reproducible.
    • Environment pinned via Dockerfile.
    • Dockerfile uses multi-stage builds (smaller, more secure images).
    • Dockerfile runs as a non-root user.
    • Dependabot covers 16 ecosystems (github-actions, github-actions, github-actions, pip, npm, npm, npm, npm, npm, npm, pip, npm, npm, pip, npm, uv). Dependencies stay current.
  • Issue and PR templates100
    • Issue or PR templates present.
    • Security policy present.

Project health

100
  • Dependency manifest100
    • Dependency manifest found (pyproject.toml).
    • pyproject.toml has a [project] table with package metadata.
    • pyproject.toml includes a description.
    • pyproject.toml specifies requires-python, preventing installs on incompatible versions.
    • pyproject.toml has a [build-system] table. The package can be built and published.
  • Repository metadata100
    • Repository has a description.
    • Primary language detected: Python.
    • pyproject.toml [project] metadata is complete (description, authors, urls).
  • Activity100
    • Actively maintained (pushed within the last month).
    • 45,809 stars.
  • Housekeeping100
    • .gitignore present.
Repository files76 root entries
  • .agents
  • .apache-magpie-overrides
  • .claude
  • .devcontainer
  • .github
    Good: CI is configured (.github/workflows/check-newsfragment-pr-number.yml).
    Good: Dependabot covers 16 ecosystems (github-actions, github-actions, github-actions, pip, npm, npm, npm, npm, npm, npm, pip, npm, npm, pip, npm, uv). Dependencies stay current.
    Good: Issue or PR templates present.
    Good: Security policy present.
  • airflow-core
    Good: Test files detected (airflow-core/src/airflow/api_fastapi/auth/managers/simple/ui/src/login/Login.test.tsx).
  • airflow-ctl
  • airflow-ctl-tests
  • airflow-e2e-tests
  • chart
  • clients
  • constraints
  • contributing-docs
  • dev
  • devel-common
  • docker-context-files
  • docker-stack-docs
  • docker-tests
  • docs
  • empty
  • generated
  • go-sdk
  • java-sdk
  • kubernetes-tests
  • manifests
  • performance
  • providers
  • providers-summary-docs
  • registry
  • scripts
  • shared
  • task-sdk
  • task-sdk-integration-tests
  • .apache-magpie.lock
  • .asf.yaml
  • .bash_completion
  • .cherry_picker.toml
  • .codespellignorelines
  • .dockerignore
  • .editorconfig
    Good: Linter or formatter configured (.editorconfig).
  • .git-blame-ignore-revs
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .gitpod.yml
  • .hadolint.yaml
  • .mailmap
  • .markdownlint.yml
  • .pre-commit-config.yaml
  • .rat-excludes
  • .readthedocs.yml
  • AGENTS.md
  • BREEZE.rst
  • CLAUDE.md
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • codecov.yml
  • COMMITTERS.rst
  • COMMUNITY_ESCALATION.md
  • CONTRIBUTING.rst
    Info: CONTRIBUTING guide is very brief (0 pts for depth); 150+ words earns +6 pts, 400+ earns +12 pts.Fix: Add setup instructions, code style notes, and how to run tests.
    Info: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Info: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them (e.g. npm run lint, ruff check .).
    Info: Contributing guide lacks a testing section (−8 pts).Fix: Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    Info: Contributing guide lacks a PR workflow section (−8 pts).Fix: Explain how to fork, branch, and open a pull request so contributors know what to expect.
    Info: Contributing guide has no code examples (−5 pts).Fix: Add code blocks showing example commands for setup, running tests, and submitting a PR.
  • doap_airflow.rdf
  • Dockerfile
    Good: Environment pinned via Dockerfile.
  • Dockerfile.ci
  • GOVERNANCE.md
  • INSTALL
  • INSTALLING.md
  • INTHEWILD.md
  • ISSUE_TRIAGE_PROCESS.rst
  • LICENSE
    Good: Licensed under Apache-2.0.
  • NOTICE
  • prod_image_installed_providers.txt
  • PROVIDERS.rst
  • pyproject.toml
    Good: Dependency manifest found (pyproject.toml).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • RELEASE_NOTES.rst
  • reproducible_build.yaml
  • uv.lock
    Good: Lockfile present (uv.lock). Installs are reproducible.
  • yamllint-config.yml