X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/5370714c963fa59d84356e2841882e42ab16641e..b1a7600b0a0691821926a07015f7bc66ca0ae4e9:/README.md diff --git a/README.md b/README.md index c0870a8..b7c6229 100644 --- a/README.md +++ b/README.md @@ -43,6 +43,11 @@ black [OPTIONS] [SRC]... Options: -l, --line-length INTEGER Where to wrap around. [default: 88] + --check Don't write back the files, just return the + status. Return code 0 means nothing changed. + Return code 1 means some files were reformatted. + Return code 123 means there was an internal + error. --fast / --safe If --fast given, skip temporary sanity checks. [default: --safe] --version Show the version and exit. @@ -101,7 +106,7 @@ matching brackets. If that doesn't work, it will put all of them in separate lines. ```py3 # in: -def very_important_function(template: str, *variables, *, file: os.PathLike, debug: bool = False): +def very_important_function(template: str, *variables, file: os.PathLike, debug: bool = False): """Applies `variables` to the `template` and writes to `file`.""" with open(file, 'w') as f: ... @@ -110,7 +115,6 @@ def very_important_function(template: str, *variables, *, file: os.PathLike, deb def very_important_function( template: str, *variables, - *, file: os.PathLike, debug: bool = False, ): @@ -179,6 +183,22 @@ explains it. The tl;dr is "it's like highway speed limits, we won't bother you if you overdo it by a few km/h". +### Empty lines + +*Black* will allow single empty lines left by the original editors, +except when they're added within parenthesized expressions. Since such +expressions are always reformatted to fit minimal space, this whitespace +is lost. + +It will also insert proper spacing before and after function definitions. +It's one line before and after inner functions and two lines before and +after module-level functions. *Black* will put those empty lines also +between the function definition and any standalone comments that +immediately precede the given function. If you want to comment on the +entire function, use a docstring or put a leading comment in the function +body. + + ### Editor integration There is currently no integration with any text editors. Vim and @@ -226,7 +246,7 @@ statements. By making the code exclusively Python 3.6+, I'm able to focus on the quality of the formatting and re-use all the nice features of the new -releases (check out [pathlib](docs.python.org/3/library/pathlib.html) or +releases (check out [pathlib](https://docs.python.org/3/library/pathlib.html) or f-strings) instead of wasting cycles on Unicode compatibility, and so on. @@ -248,13 +268,62 @@ answer is "because I don't like a particular formatting" then you're not ready to embrace *Black* yet. Such changes are unlikely to get accepted. You can still try but prepare to be disappointed. +More details can be found in [CONTRIBUTING](CONTRIBUTING.md). + ## Change Log +### 18.3a3 + +* don't remove single empty lines outside of bracketed expressions + (#19) + +* added ability to pipe formatting from stdin to stdin (#25) + +* restored ability to format code with legacy usage of `async` as + a name (#20, #42) + +* even better handling of numpy-style array indexing (#33, again) + + +### 18.3a2 + +* changed positioning of binary operators to occur at beginning of lines + instead of at the end, following [a recent change to PEP8](https://github.com/python/peps/commit/c59c4376ad233a62ca4b3a6060c81368bd21e85b) + (#21) + +* ignore empty bracket pairs while splitting. This avoids very weirdly + looking formattings (#34, #35) + +* remove a trailing comma if there is a single argument to a call + +* if top level functions were separated by a comment, don't put four + empty lines after the upper function + +* fixed unstable formatting of newlines with imports + +* fixed unintentional folding of post scriptum standalone comments + into last statement if it was a simple statement (#18, #28) + +* fixed missing space in numpy-style array indexing (#33) + +* fixed spurious space after star-based unary expressions (#31) + + ### 18.3a1 +* added `--check` + +* only put trailing commas in function signatures and calls if it's + safe to do so. If the file is Python 3.6+ it's always safe, otherwise + only safe if there are no `*args` or `**kwargs` used in the signature + or call. (#8) + * fixed invalid spacing of dots in relative imports (#6, #13) +* fixed invalid splitting after comma on unpacked variables in for-loops + (#23) + * fixed spurious space in parenthesized set expressions (#7) * fixed spurious space after opening parentheses and in default