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NAME
black - uncompromising Python code formatter

DESCRIPTION

black is the uncompromising Python code formatter.

  Summary

black is the uncompromising Python code formatter. By using it, you agree to cede control over minutiae of hand-formatting. In return, Black gives you speed, determinism, and freedom from pycodestyle nagging about formatting. You will save time and mental energy for more important matters.

  Usage

black [OPTIONS] [SRC]...

  Common Options

Options:

        -l, --line-length INTEGER       How many characters per line to allow.
                                        [default: 88]

        --py36                          Allow using Python 3.6-only syntax on all
                                        input files.  This will put trailing commas
                                        in function signatures and calls also after
                                        *args and **kwargs.  [default: per-file
                                        auto-detection]

        --pyi                           Format all input files like typing stubs
                                        regardless of file extension (useful when
                                        piping source on standard input).

        -S, --skip-string-normalization
                                        Don't normalize string quotes or prefixes.

        --check                         Don't write the files back, just return the
                                        status.  Return code 0 means nothing would
                                        change.  Return code 1 means some files
                                        would be reformatted.  Return code 123 means
                                        there was an internal error.

        --diff                          Don't write the files back, just output a
                                        diff for each file on stdout.

        --fast / --safe                 If --fast given, skip temporary sanity
                                        checks. [default: --safe]

        --include TEXT                  A regular expression that matches files and
                                        directories that should be included on
                                        recursive searches.  An empty value means
                                        all files are included regardless of the
                                        name.  Use forward slashes for directories
                                        on all platforms (Windows, too).  Exclusions
                                        are calculated first, inclusions later.
                                        [default: \.pyi?$]

        --exclude TEXT                  A regular expression that matches files and
                                        directories that should be excluded on
                                        recursive searches.  An empty value means no
                                        paths are excluded. Use forward slashes for
                                        directories on all platforms (Windows, too).
                                        Exclusions are calculated first, inclusions
                                        later.  [default: /(\.git|\.hg|\.mypy_cache|
                                        \.tox|\.venv|_build|buck-out|build|dist)/]

        -q, --quiet                     Don't emit non-error messages to stderr.
                                        Errors are still emitted, silence those with
                                        2>/dev/null.

        -v, --verbose                   Also emit messages to stderr about files
                                        that were not changed or were ignored due to
                                        --exclude=.

        --version                       Show the version and exit.

        --config FILE                   Read configuration from PATH.

        -h, --help                      Show this message and exit.

COPYRIGHT
2018 Åukasz Langa