Example pre-commit config for Python projects

.pre-commit-config.yaml

repos:
  - repo: meta
    hooks:
      - id: check-useless-excludes

  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v4.2.0
    hooks:
      - id: check-added-large-files
      - id: check-ast
      - id: check-builtin-literals
      - id: check-case-conflict
      - id: check-docstring-first
      - id: check-executables-have-shebangs
      - id: check-json
      - id: check-merge-conflict
      - id: check-shebang-scripts-are-executable
      - id: check-symlinks
      - id: check-toml
      - id: check-vcs-permalinks
      - id: check-xml
      - id: check-yaml
      - id: debug-statements
      - id: destroyed-symlinks
      - id: detect-private-key
      - id: double-quote-string-fixer
      - id: end-of-file-fixer
      - id: fix-byte-order-marker
      - id: fix-encoding-pragma
        args: ["--remove"]
      - id: mixed-line-ending
      - id: name-tests-test
      - id: pretty-format-json
        args: ["--autofix"]
      - id: requirements-txt-fixer
      - id: trailing-whitespace

  - repo: https://github.com/asottile/add-trailing-comma
    rev: v2.2.3
    hooks:
      - id: add-trailing-comma
        args: ["--py36-plus"]

  - repo: https://github.com/asottile/reorder_python_imports
    rev: v3.1.0
    hooks:
      - id: reorder-python-imports

  - repo: https://github.com/asottile/setup-cfg-fmt
    rev: v1.20.1
    hooks:
      - id: setup-cfg-fmt

  - repo: https://github.com/psf/black
    rev: 22.3.0
    hooks:
      - id: black

  - repo: https://gitlab.com/pycqa/flake8
    rev: 3.9.2
    hooks:
      - id: flake8
        args: ["--max-line-length=120"]

  - repo: https://github.com/pre-commit/mirrors-mypy
    rev: v0.950
    hooks:
      - id: mypy
        additional_dependencies:
          - types-toml