Starting point for a Python-centric pre-commit

.pre-commit-config.yaml

default_language_version:
  python: python3.9

repos:
  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: 'v4.0.1'
    hooks:
      - id: mixed-line-ending
        args: [ '--fix=lf' ]
      - id: trailing-whitespace
      - id: end-of-file-fixer
      - id: check-yaml
      - id: check-toml
      - id: check-json
      - id: check-added-large-files
        args: [ '--maxkb=64' ]
      - id: check-merge-conflict
      - id: fix-encoding-pragma
        args: [ '--remove' ]

  - repo: https://github.com/pycqa/isort
    rev: '5.10.0'
    hooks:
      - id: isort
        args: [ '--profile', 'black' ]
        # NOTE: your .editorconfig might mess with the isort settings (e.g. line length)

  - repo: https://github.com/psf/black
    rev: '21.10b0'
    hooks:
      - id: black

  - repo: https://github.com/pycqa/flake8
    rev: '4.0.1'
    hooks:
      - id: flake8
        # see https://github.com/PyCQA/pycodestyle/issues/373 for E203
        # see https://github.com/psf/black/issues/113 for W503
        args: [ '--ignore=E203,W503', '--max-line-length=88' ]

  - repo: https://github.com/pre-commit/mirrors-mypy
    rev: 'v0.910-1'
    hooks:
      - id: mypy
        args: [ '--ignore-missing-imports', '--strict' ]