X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/658eb7161d8d0c23bafe4881e70518c33a74a4c1..3272bbc8b3e17d229df63daf26d3dce9706cee77:/README.md diff --git a/README.md b/README.md index af1f847..f0a6bab 100644 --- a/README.md +++ b/README.md @@ -80,6 +80,15 @@ Options: -q, --quiet Don't emit non-error messages to stderr. Errors are still emitted, silence those with 2>/dev/null. + --pyi Consider all input files typing stubs regardless + of file extension (useful when piping source on + standard input). + --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] + -S, --skip-string-normalization + Don't normalize string quotes or prefixes. --version Show the version and exit. --help Show this message and exit. ``` @@ -197,10 +206,26 @@ If a data structure literal (tuple, list, set, dict) or a line of "from" imports cannot fit in the allotted length, it's always split into one element per line. This minimizes diffs as well as enables readers of code to find which commit introduced a particular entry. This also -makes *Black* compatible with [isort](https://pypi.org/p/isort/). Use -`multi_line_output=3`, `include_trailing_comma=True`, -`force_grid_wrap=0`, and `line_length=88` in your isort config. +makes *Black* compatible with [isort](https://pypi.org/p/isort/) with +the following configuration. +
+A compatible `.isort.cfg` + +``` +[settings] +multi_line_output=3 +include_trailing_comma=True +force_grid_wrap=0 +combine_as_imports=True +line_length=88 +``` + +The equivalent command line is: +``` +$ isort --multi-line=3 --trailing-comma --force-grid-wrap=0 --combine-as --line-width=88 [ file.py ] +``` +
### Line length @@ -252,9 +277,17 @@ 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 not put empty lines between -function/class definitions and standalone comments that immediately precede -the given function/class. +after module-level functions and classes. *Black* will not put empty +lines between function/class definitions and standalone comments that +immediately precede the given function/class. + +*Black* will enforce single empty lines between a class-level docstring +and the first following field or method. This conforms to +[PEP 257](https://www.python.org/dev/peps/pep-0257/#multi-line-docstrings). + +*Black* won't insert empty lines after function docstrings unless that +empty line is required due to an inner function starting immediately +after. ### Trailing commas @@ -315,6 +348,12 @@ 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. +If you are adopting *Black* in a large project with pre-existing string +conventions (like the popular ["single quotes for data, double quotes for +human-readable strings"](https://stackoverflow.com/a/56190)), you can +pass `--skip-string-normalization` on the command line. This is meant as +an adoption helper, avoid using this for new projects. + ### Line breaks & binary operators @@ -380,7 +419,7 @@ decision = (maybe.this() and values > 0) or (maybe.that() and values < 0) Some popular APIs, like ORMs, use call chaining. This API style is known as a [fluent interface](https://en.wikipedia.org/wiki/Fluent_interface). -*Black* formats those treating dots that follow a call or an indexing +*Black* formats those by treating dots that follow a call or an indexing operation like a very low priority delimiter. It's easier to show the behavior than to explain it. Look at the example: ```py3 @@ -475,7 +514,7 @@ $ where black - Arguments: $FilePath$ 5. Format the currently opened file by selecting `Tools -> External Tools -> black`. - - Alternatively, you can set a keyboard shortcut by navigating to `Preferences -> Keymap`. + - Alternatively, you can set a keyboard shortcut by navigating to `Preferences -> Keymap -> External Tools -> External Tools - Black`. ### Vim @@ -521,6 +560,12 @@ install *Black* (for example you want to run a version from master), create a virtualenv manually and point `g:black_virtualenv` to it. The plugin will use it. +To run *Black* on save, add the following line to `.vimrc` or `init.vim`: + +``` +autocmd BufWritePost *.py execute ':Black' +``` + **How to get Vim with Python 3.6?** On Ubuntu 17.10 Vim comes with Python 3.6 by default. On macOS with Homebrew run: `brew install vim --with-python3`. @@ -651,11 +696,23 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md). ## Change Log -### 18.5b1 (unreleased) +### 18.6b0 + +* added `--skip-string-normalization` (#118) + + +### 18.5b1 + +* added `--pyi` (#249) + +* added `--py36` (#249) * Python grammar pickle caches are stored with the formatting caches, making *Black* work in environments where site-packages is not user-writable (#192) +* *Black* now enforces a PEP 257 empty line after a class-level docstring + (and/or fields) and the first method + * fixed invalid code produced when standalone comments were present in a trailer that was omitted from line splitting on a large expression (#237) @@ -666,7 +723,14 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md). * fixed unstable formatting when inline comments were moved around in a trailer that was omitted from line splitting on a large expression - (#238) + (#238) + +* fixed extra empty line between a class declaration and the first + method if no class docstring or fields are present (#219) + +* fixed extra empty line between a function signature and an inner + function or inner class (#196) + ### 18.5b0 @@ -925,6 +989,7 @@ Multiple contributions by: * [Ivan Katanić](mailto:ivan.katanic@gmail.com) * [Jelle Zijlstra](mailto:jelle.zijlstra@gmail.com) * [Jonas Obrist](mailto:ojiidotch@gmail.com) +* [Luka Sterbic](mailto:luka.sterbic@gmail.com) * [Miguel Gaiowski](mailto:miggaiowski@gmail.com) * [Osaetin Daniel](mailto:osaetindaniel@gmail.com) * [Sunil Kapil](mailto:snlkapil@gmail.com)