X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/8e38b6626be681adbb367820ce65e05254664629..0721f11731b64b1b134f3cb7c227a6477044e8fa:/README.md diff --git a/README.md b/README.md index def311f..8ff893c 100644 --- a/README.md +++ b/README.md @@ -61,30 +61,41 @@ black {source_file_or_directory} _Black_ doesn't provide many options. You can list them by running `black --help`: ```text -black [OPTIONS] [SRC]... +Usage: black [OPTIONS] [SRC]... + + The uncompromising code formatter. Options: -c, --code TEXT Format the code passed in as a string. -l, --line-length INTEGER How many characters per line to allow. [default: 88] + -t, --target-version [py27|py33|py34|py35|py36|py37|py38] Python versions that should be supported by Black's output. [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 + 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. + + --color / --no-color Show colored diff. Only applies when + `--diff` is given. + --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 @@ -93,6 +104,7 @@ Options: 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 @@ -100,16 +112,23 @@ Options: directories on all platforms (Windows, too). Exclusions are calculated first, inclusions later. [default: /(\.eggs|\.git|\.hg|\.mypy - _cache|\.nox|\.tox|\.venv|_build|buck- + _cache|\.nox|\.tox|\.venv|\.svn|_build|buck- out|build|dist)/] + + --force-exclude TEXT Like --exclude, but files and directories + matching this regex will be excluded even + when they are passed explicitly as arguments + -q, --quiet Don't emit non-error messages to stderr. - Errors are still emitted, silence those with + 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 PATH Read configuration from PATH. + --config FILE Read configuration from PATH. -h, --help Show this message and exit. ``` @@ -625,8 +644,11 @@ file hierarchy. ### Emacs -Use [proofit404/blacken](https://github.com/proofit404/blacken) or -[Elpy](https://github.com/jorgenschaefer/elpy). +Options include the following: + +- [purcell/reformatter.el](https://github.com/purcell/reformatter.el) +- [proofit404/blacken](https://github.com/proofit404/blacken) +- [Elpy](https://github.com/jorgenschaefer/elpy). ### PyCharm/IntelliJ IDEA @@ -801,6 +823,55 @@ default. On macOS with Homebrew run: `brew install vim`. When building Vim from use: `./configure --enable-python3interp=yes`. There's many guides online how to do this. +**I get an import error when using _Black_ from a virtual environment**: If you get an +error message like this: + +```text +Traceback (most recent call last): + File "", line 63, in + File "/home/gui/.vim/black/lib/python3.7/site-packages/black.py", line 45, in + from typed_ast import ast3, ast27 + File "/home/gui/.vim/black/lib/python3.7/site-packages/typed_ast/ast3.py", line 40, in + from typed_ast import _ast3 +ImportError: /home/gui/.vim/black/lib/python3.7/site-packages/typed_ast/_ast3.cpython-37m-x86_64-linux-gnu.so: undefined symbool: PyExc_KeyboardInterrupt +``` + +Then you need to install `typed_ast` and `regex` directly from the source code. The +error happens because `pip` will download [Python wheels](https://pythonwheels.com/) if +they are available. Python wheels are a new standard of distributing Python packages and +packages that have Cython and extensions written in C are already compiled, so the +installation is much more faster. The problem here is that somehow the Python +environment inside Vim does not match with those already compiled C extensions and these +kind of errors are the result. Luckily there is an easy fix: installing the packages +from the source code. + +The two packages that cause the problem are: + +- [regex](https://pypi.org/project/regex/) +- [typed-ast](https://pypi.org/project/typed-ast/) + +Now remove those two packages: + +```console +$ pip uninstall regex typed-ast -y +``` + +And now you can install them with: + +```console +$ pip install --no-binary :all: regex typed-ast +``` + +The C extensions will be compiled and now Vim's Python environment will match. Note that +you need to have the GCC compiler and the Python development files installed (on +Ubuntu/Debian do `sudo apt-get install build-essential python3-dev`). + +If you later want to update _Black_, you should do it like this: + +```console +$ pip install -U black --no-binary regex,typed-ast +``` + ### Visual Studio Code Use the