X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/3455389e486e0bb1d8a8318cb5f266b7ec8964dd..63da5d088cd8d38e925d9d45b194705fb5258ecc:/README.md?ds=sidebyside diff --git a/README.md b/README.md index 3ab6887..cef3283 100644 --- a/README.md +++ b/README.md @@ -53,13 +53,18 @@ black [OPTIONS] [SRC]... Options: -l, --line-length INTEGER Where to wrap around. [default: 88] - --check Don't write back the files, just return the + --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] + -q, --quiet Don't emit non-error messages to stderr. Errors + are still emitted, silence those with + 2>/dev/null. --version Show the version and exit. --help Show this message and exit. ``` @@ -159,7 +164,7 @@ def very_important_function( debug: bool = False, ): """Applies `variables` to the `template` and writes to `file`.""" - with open(file, 'w') as f: + with open(file, "w") as f: ... ``` @@ -260,6 +265,30 @@ if you'd like a trailing comma in this situation and *Black* didn't recognize it was safe to do so, put it there manually and *Black* will keep it. +### Strings + +*Black* prefers double quotes (`"` and `"""`) over single quotes (`'` +and `'''`). It will replace the latter with the former as long as it +does not result in more backslash escapes than before. + +The main reason to standardize on a single form of quotes is aesthetics. +Having one kind of quotes everywhere reduces reader distraction. +It will also enable a future version of *Black* to merge consecutive +string literals that ended up on the same line (see +[#26](https://github.com/ambv/black/issues/26) for details). + +Why settle on double quotes? They anticipate apostrophes in English +text. They match the docstring standard described in PEP 257. An +empty string in double quotes (`""`) is impossible to confuse with +a one double-quote regardless of fonts and syntax highlighting used. +On top of this, double quotes for strings are consistent with C which +Python interacts a lot with. + +On certain keyboard layouts like US English, typing single quotes is +a bit easier than double quotes. The latter requires use of the Shift +key. My recommendation here is to keep using whatever is faster to type +and let *Black* handle the transformation. + ## Editor integration @@ -383,10 +412,19 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md). ## Change Log -### 18.3a5 (unreleased) +### 18.4a1 -* add line breaks before all delimiters, except in cases like commas, to better - comply with PEP8 (#73) +* added `--quiet` (#78) + +### 18.4a0 + +* added `--diff` (#87) + +* add line breaks before all delimiters, except in cases like commas, to + better comply with PEP 8 (#73) + +* standardize string literals to use double quotes (almost) everywhere + (#75) * fixed handling of standalone comments within nested bracketed expressions; Black will no longer produce super long lines or put all @@ -395,6 +433,9 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md). * fixed 18.3a4 regression: don't crash and burn on empty lines with trailing whitespace (#80) +* fixed 18.3a4 regression: `# yapf: disable` usage as trailing comment + would cause Black to not emit the rest of the file (#95) + * when CTRL+C is pressed while formatting many files, Black no longer freaks out with a flurry of asyncio-related exceptions @@ -509,3 +550,4 @@ Multiple contributions by: * Hugo van Kemenade * [Mika Naylor](mailto:mail@autophagy.io) * [Osaetin Daniel](mailto:osaetindaniel@gmail.com) +* [Zsolt Dollenstein](mailto:zsol.zsol@gmail.com)