Python Linter

Ensure Python code quality. Supports mypy, pylint, black and isort.

Details

mypy

Mypy is an optional static type checker for Python. You can add type hints (PEP 484) to your Python programs, and use mypy to type check them statically. Find bugs in your programs without even running them!

pylint

Pylint is a Python static code analysis tool which looks for programming errors, helps enforcing a coding standard, sniffs for code smells and offers simple refactoring suggestions.

black

Black is the uncompromising Python code formatter. Black makes code review faster by producing the smallest diffs possible.

isort

isort is a Python utility / library to sort imports alphabetically, and automatically separated into sections and by type.

Configuration

Options

Name	Description	Optional	Default
source	Source file or directory	false	"."
strict	Set strictness for lint [low, medium, high]	false	"medium"
mypy-options	Mypy options	false	""
pylint-options	Pylint options	false	""
black-options	Black options	false	""
isort-options	Isort options	false	""
django	Confirm if source is a Django project	false	false

Strictness

High

Must not have any type errors.
Must not have any code format issues.
Must not have import disorganization.
Must meet code standard style (PEP8). Code must have a Pylint score of 10.

Medium (default)

Must not have any type errors.
Must not have any code format issues.
Must not have import disorganization.
Code must have a Pylint score of 8 ore greater.

Low

Must not have any type errors.
Must not have any code format issues.

(Optional) More pylint customization

Create a setup.cfg or a .pylintrc file in the current working directory.

[pylint]
ignore=
    migrations,
    manage.py,
    __init__.py,
    apps.py,
    admin.py,
    models.py,
    serializers.py,
    urls.py,
disable=
    import-error,
    missing-module-docstring,
    missing-function-docstring

(Optional) More isort customization

Create a setup.cfg or a .isort.cfg file in the current working directory.

[isort]
include_trailing_comma=True
known_first_party=app
lines_between_sections=0
lines_between_types=0
known_django=django
known_drf=rest_framework
line_length=100
multi_line_output=3
sections=FUTURE,STDLIB,DJANGO,DRF,THIRDPARTY,FIRSTPARTY,LOCALFOLDER

Example

 steps:
 - uses: actions/checkout@v2  
 - name: Python Linter
   uses: sunnysid3up/python-linter@master
   with:
     source: "src"
     mypy-options: "--ignore-missing-imports --show-error-codes"
     pylint-options: "--rcfile=setup.cfg"
     isort-options: "-w 100",
     django: true

License

capwaterking/python-linter

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