X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/64c8be01f0cfedc94cb1c9ebd342ea77cafbb78a..3a9d6f0a5f9013b97676f3d24246bd34d93fce4c:/docs/usage_and_configuration/the_basics.md?ds=sidebyside diff --git a/docs/usage_and_configuration/the_basics.md b/docs/usage_and_configuration/the_basics.md index 533c213..2b41c18 100644 --- a/docs/usage_and_configuration/the_basics.md +++ b/docs/usage_and_configuration/the_basics.md @@ -4,11 +4,11 @@ Foundational knowledge on using and configuring Black. _Black_ is a well-behaved Unix-style command-line tool: -- it does nothing if no sources are passed to it; +- it does nothing if it finds no sources to format; - it will read from standard input and write to standard output if `-` is used as the filename; - it only outputs messages to users on standard error; -- exits with code 0 unless an internal error occurred (or `--check` was used). +- exits with code 0 unless an internal error occurred or a CLI option prompted it. ## Usage @@ -26,13 +26,13 @@ python -m black {source_file_or_directory} ### Command line options -_Black_ has quite a few knobs these days, although _Black_ is opinionated so style -configuration options are deliberately limited and rarely added. You can list them by -running `black --help`. +The CLI options of _Black_ can be displayed by expanding the view below or by running +`black --help`. While _Black_ has quite a few knobs these days, it is still opinionated +so style options are deliberately limited and rarely added.
-Help output +CLI reference ```{program-output} black --help @@ -40,6 +40,9 @@ running `black --help`.
+Note that all command-line options listed above can also be configured using a +`pyproject.toml` file (more on that below). + ### Code input alternatives #### Standard Input @@ -76,6 +79,8 @@ _Black_ to just tell you what it _would_ do without actually rewriting the Pytho There's two variations to this mode that are independently enabled by their respective flags. Both variations can be enabled at once. +(labels/exit-code)= + #### Exit code Passing `--check` will make _Black_ exit with: @@ -173,7 +178,7 @@ You can check the version of _Black_ you have installed using the `--version` fl ```console $ black --version -black, version 21.10b0 +black, version 23.1.0 ``` An option to require a specific version to be running is also provided. @@ -204,9 +209,10 @@ code in compliance with many other _Black_ formatted projects. [PEP 518](https://www.python.org/dev/peps/pep-0518/) defines `pyproject.toml` as a configuration file to store build system requirements for Python projects. With the help -of tools like [Poetry](https://python-poetry.org/) or -[Flit](https://flit.readthedocs.io/en/latest/) it can fully replace the need for -`setup.py` and `setup.cfg` files. +of tools like [Poetry](https://python-poetry.org/), +[Flit](https://flit.readthedocs.io/en/latest/), or +[Hatch](https://hatch.pypa.io/latest/) it can fully replace the need for `setup.py` and +`setup.cfg` files. ### Where _Black_ looks for the file @@ -259,10 +265,14 @@ expressions by Black. Use `[ ]` to denote a significant space character. line-length = 88 target-version = ['py37'] include = '\.pyi?$' +# 'extend-exclude' excludes files or directories in addition to the defaults extend-exclude = ''' # A regex preceded with ^/ will apply only to files and directories # in the root of the project. -^/foo.py # exclude a file named foo.py in the root of the project (in addition to the defaults) +( + ^/foo.py # exclude a file named foo.py in the root of the project + | .*_pb2.py # exclude autogenerated Protocol Buffer files anywhere in the project +) ''' ``` @@ -280,9 +290,6 @@ file hierarchy. ## Next steps -You've probably noted that not all of the options you can pass to _Black_ have been -covered. Don't worry, the rest will be covered in a later section. - A good next step would be configuring auto-discovery so `black .` is all you need instead of laborously listing every file or directory. You can get started by heading over to [File collection and discovery](./file_collection_and_discovery.md).