Works from the terminal and support many code editor integrations (Emacs, Vim, VS Code, Sublime, etc.).Convert numeric literals to lowercase ( 0XAB to 0xAB).Convert single quotes ( ') to double quotes ( ").Take care of adding trailing commas where necessary.Wrapping lines properly by shortening as much as possible single statements.It will take care of many things, including the following (taken in that order from README.md in Black‘s repo): You will save time and mental energy for more important matters.īlack will take less than ideal code and will automatically reformat it according to the PEP-8 style guide. In return, Black gives you speed, determinism, and freedom from pycodestyle nagging about formatting. By using it, you agree to cede control over minutiae of hand-formatting.
#PYTHON BLACK FORMATTER SYS.PATH INSTALL#
# example of using online linters # Installation: # pip install pre-commit # pre-commit install repos : - repo : rev : v4.4.0 hooks : - id : check-json exclude : devcontainer.json - id : check-yaml - id : check-toml - id : end-of-file-fixer - id : trailing-whitespace - id : debug-statements - id : requirements-txt-fixer - id : detect-private-key - id : mixed-line-ending args : - id : check-added-large-files - id : no-commit-to-branch - repo : rev : v1.5.1 hooks : - id : forbid-crlf - id : remove-crlf - id : forbid-tabs - id : remove-tabs - repo : rev : v3.0.0-alpha.Black is the uncompromising Python code formatter. " - id : black name : black entry : black language : system types : - id : pyright name : pyright language : system entry : pyright types : - id : pytest name : pytest types : entry : pytest language : system pass_filenames : false always_run : trueīe aware that especially in a local environment, we often use venv, in such case, it would be better to use above system level lint executables instead of below public ones, the checks will be more accurate. # Installation: # pip install pre-commit # pre-commit install repos : - repo : rev : v4.3.0 hooks : - id : check-json exclude : devcontainer.json - id : check-yaml - id : check-toml - id : end-of-file-fixer - id : trailing-whitespace - id : debug-statements - id : requirements-txt-fixer - id : detect-private-key - id : mixed-line-ending args : - id : check-added-large-files - id : no-commit-to-branch - repo : rev : v1.3.1 hooks : - id : forbid-crlf - id : remove-crlf - id : forbid-tabs - id : remove-tabs - repo : rev : v3.0.0-alpha.1 hooks : - id : prettier - repo : rev : v1.9.0 hooks : - id : python-check-blanket-type-ignore - id : python-check-mock-methods - id : python-no-log-warn - id : python-use-type-annotations - repo : rev : v3.1.0 hooks : - id : pyupgrade - repo : local hooks : - id : bandit name : bandit entry : bandit language : system types : args : -c - pyproject.toml - id : ruff name : ruff entry : ruff language : system types : args : - ". The bandit config file format is not well documented, I passed a lot of time to test the config. To fix imported but not used error in _init_.py file, could by all attribute (the most elegant) or by –per-file-ignores.
By the way, Sonar sets the Cognitive Complexity threshold to 15 by default. We dont need to add extra parameter to use the Cognitive Complexity in flake8, it’s set to -max-cognitive-complexity=7 by default once the plugin is installed. There’s a very nice flake8 plugin called flake8-cognitive-complexity which checks the Cognitive Complexity in addition to the Cyclomatic Complexity provided by flake8 out of the box. To show all the inline ignored flake8 alerts: flake8 -disable-noqa || true \ -exclude =venv \ -extend-ignore =E203,E501,W503, \ -max-complexity =7 \ -show-source \ -statistics \ -count \ -jobs =auto # ignore E501, line too long because we have the same check at Pylint side already.įlake8. BTW, flake8 also has W504 which is in contrary to W503.
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