X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/75a9447448d2e5d7acfa925bfead4a1460e1939d..cabeb5b5457b8fd29d608eca944be6074bd3f31f:/plugin/black.vim diff --git a/plugin/black.vim b/plugin/black.vim index 0b958b8..3dd3f21 100644 --- a/plugin/black.vim +++ b/plugin/black.vim @@ -2,7 +2,7 @@ " Author: Łukasz Langa " Created: Mon Mar 26 23:27:53 2018 -0700 " Requires: Vim Ver7.0+ -" Version: 1.0 +" Version: 1.1 " " Documentation: " This plugin formats Python files. @@ -10,9 +10,16 @@ " History: " 1.0: " - initial version +" 1.1: +" - restore cursor/window position after formatting if v:version < 700 || !has('python3') - echo "This script requires vim7.0+ with Python 3.6 support." + func! __BLACK_MISSING() + echo "The black.vim plugin requires vim7.0+ with Python 3.6 support." + endfunc + command! Black :call __BLACK_MISSING() + command! BlackUpgrade :call __BLACK_MISSING() + command! BlackVersion :call __BLACK_MISSING() finish endif @@ -22,7 +29,11 @@ endif let g:load_black = "py1.0" if !exists("g:black_virtualenv") - let g:black_virtualenv = "~/.vim/black" + if has("nvim") + let g:black_virtualenv = "~/.local/share/nvim/black" + else + let g:black_virtualenv = "~/.vim/black" + endif endif if !exists("g:black_fast") let g:black_fast = 0 @@ -30,15 +41,49 @@ endif if !exists("g:black_linelength") let g:black_linelength = 88 endif -if !exists("g:black_skip_string_normalization") - let g:black_skip_string_normalization = 0 +if !exists("g:black_string_normalization") + if exists("g:black_skip_string_normalization") + let g:black_string_normalization = !g:black_skip_string_normalization + else + let g:black_string_normalization = 1 + endif endif -python3 << endpython3 +python3 << EndPython3 +import collections +import os import sys import vim +from distutils.util import strtobool + + +class Flag(collections.namedtuple("FlagBase", "name, cast")): + @property + def var_name(self): + return self.name.replace("-", "_") + + @property + def vim_rc_name(self): + name = self.var_name + if name == "line_length": + name = name.replace("_", "") + return "g:black_" + name + + +FLAGS = [ + Flag(name="line_length", cast=int), + Flag(name="fast", cast=strtobool), + Flag(name="string_normalization", cast=strtobool), +] + def _get_python_binary(exec_prefix): + try: + default = vim.eval("g:pymode_python").strip() + except vim.error: + default = "" + if default and os.path.exists(default): + return default if sys.platform[:3] == "win": return exec_prefix / 'python.exe' return exec_prefix / 'bin' / 'python3' @@ -68,13 +113,23 @@ def _initialize_black_env(upgrade=False): if not virtualenv_path.is_dir(): print('Please wait, one time setup for Black.') _executable = sys.executable + _base_executable = getattr(sys, "_base_executable", _executable) try: - sys.executable = str(_get_python_binary(Path(sys.exec_prefix))) + executable = str(_get_python_binary(Path(sys.exec_prefix))) + sys.executable = executable + sys._base_executable = executable print(f'Creating a virtualenv in {virtualenv_path}...') print('(this path can be customized in .vimrc by setting g:black_virtualenv)') venv.create(virtualenv_path, with_pip=True) + except Exception: + print('Encountered exception while creating virtualenv (see traceback below).') + print(f'Removing {virtualenv_path}...') + import shutil + shutil.rmtree(virtualenv_path) + raise finally: sys.executable = _executable + sys._base_executable = _base_executable first_install = True if first_install: print('Installing Black with pip...') @@ -85,7 +140,7 @@ def _initialize_black_env(upgrade=False): print('DONE! You are all set, thanks for waiting ✨ 🍰 ✨') if first_install: print('Pro-tip: to upgrade Black in the future, use the :BlackUpgrade command and restart Vim.\n') - if sys.path[0] != virtualenv_site_packages: + if virtualenv_site_packages not in sys.path: sys.path.insert(0, virtualenv_site_packages) return True @@ -95,33 +150,62 @@ if _initialize_black_env(): def Black(): start = time.time() - fast = bool(int(vim.eval("g:black_fast"))) - line_length = int(vim.eval("g:black_linelength")) - mode = black.FileMode.AUTO_DETECT - if bool(int(vim.eval("g:black_skip_string_normalization"))): - mode |= black.FileMode.NO_STRING_NORMALIZATION + configs = get_configs() + mode = black.FileMode( + line_length=configs["line_length"], + string_normalization=configs["string_normalization"], + is_pyi=vim.current.buffer.name.endswith('.pyi'), + ) + buffer_str = '\n'.join(vim.current.buffer) + '\n' try: - new_buffer_str = black.format_file_contents(buffer_str, line_length=line_length, fast=fast, mode=mode) + new_buffer_str = black.format_file_contents( + buffer_str, + fast=configs["fast"], + mode=mode, + ) except black.NothingChanged: print(f'Already well formatted, good job. (took {time.time() - start:.4f}s)') except Exception as exc: print(exc) else: + current_buffer = vim.current.window.buffer + cursors = [] + for i, tabpage in enumerate(vim.tabpages): + if tabpage.valid: + for j, window in enumerate(tabpage.windows): + if window.valid and window.buffer == current_buffer: + cursors.append((i, j, window.cursor)) vim.current.buffer[:] = new_buffer_str.split('\n')[:-1] + for i, j, cursor in cursors: + window = vim.tabpages[i].windows[j] + try: + window.cursor = cursor + except vim.error: + window.cursor = (len(window.buffer), 0) print(f'Reformatted in {time.time() - start:.4f}s.') +def get_configs(): + path_pyproject_toml = black.find_pyproject_toml(vim.eval("fnamemodify(getcwd(), ':t')")) + if path_pyproject_toml: + toml_config = black.parse_pyproject_toml(path_pyproject_toml) + else: + toml_config = {} + + return { + flag.var_name: flag.cast(toml_config.get(flag.name, vim.eval(flag.vim_rc_name))) + for flag in FLAGS + } + + def BlackUpgrade(): _initialize_black_env(upgrade=True) def BlackVersion(): print(f'Black, version {black.__version__} on Python {sys.version}.') -endpython3 +EndPython3 command! Black :py3 Black() command! BlackUpgrade :py3 BlackUpgrade() command! BlackVersion :py3 BlackVersion() - -nmap ,= :Black -vmap ,= :Black