" Author: Łukasz Langa
" Created: Mon Mar 26 23:27:53 2018 -0700
" Requires: Vim Ver7.0+
-" Version: 1.1
+" Version: 1.2
"
" Documentation:
" This plugin formats Python files.
" - initial version
" 1.1:
" - restore cursor/window position after formatting
+" 1.2:
+" - use autoload script
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
if exists("g:load_black")
- finish
+ finish
endif
let g:load_black = "py1.0"
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
+if !exists("g:black_quiet")
+ let g:black_quiet = 0
endif
-python3 << endpython3
-import os
-import sys
-import vim
-
-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'
-
-def _get_pip(venv_path):
- if sys.platform[:3] == "win":
- return venv_path / 'Scripts' / 'pip.exe'
- return venv_path / 'bin' / 'pip'
-
-def _get_virtualenv_site_packages(venv_path, pyver):
- if sys.platform[:3] == "win":
- return venv_path / 'Lib' / 'site-packages'
- return venv_path / 'lib' / f'python{pyver[0]}.{pyver[1]}' / 'site-packages'
-
-def _initialize_black_env(upgrade=False):
- pyver = sys.version_info[:2]
- if pyver < (3, 6):
- print("Sorry, Black requires Python 3.6+ to run.")
- return False
-
- from pathlib import Path
- import subprocess
- import venv
- virtualenv_path = Path(vim.eval("g:black_virtualenv")).expanduser()
- virtualenv_site_packages = str(_get_virtualenv_site_packages(virtualenv_path, pyver))
- first_install = False
- if not virtualenv_path.is_dir():
- print('Please wait, one time setup for Black.')
- _executable = sys.executable
- try:
- sys.executable = str(_get_python_binary(Path(sys.exec_prefix)))
- 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)
- finally:
- sys.executable = _executable
- first_install = True
- if first_install:
- print('Installing Black with pip...')
- if upgrade:
- print('Upgrading Black with pip...')
- if first_install or upgrade:
- subprocess.run([str(_get_pip(virtualenv_path)), 'install', '-U', 'black'], stdout=subprocess.PIPE)
- 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 virtualenv_site_packages not in sys.path:
- sys.path.append(virtualenv_site_packages)
- return True
-
-if _initialize_black_env():
- import black
- import time
-
-def Black():
- start = time.time()
- fast = bool(int(vim.eval("g:black_fast")))
- mode = black.FileMode(
- line_length=int(vim.eval("g:black_linelength")),
- string_normalization=not bool(int(vim.eval("g:black_skip_string_normalization"))),
- is_pyi=vim.current.buffer.name.endswith('.pyi'),
- )
- (cursor_line, cursor_column) = vim.current.window.cursor
- cb = vim.current.buffer[:]
- cb_bc = cb[0:cursor_line]
- # Format all code before the cursor.
- # Detect unclosed blocks, close them with pass.
- last_line = cb_bc[-1]
- if last_line.rstrip().endswith(":"):
- cb_bc[-1] = last_line + " pass"
- # Determine old:new cursor location mapping
- buffer_str_before = '\n'.join(cb_bc)+'\n'
- try:
- new_buffer_str_before = black.format_file_contents(buffer_str_before, fast=fast, mode=mode)
- new_cb = new_buffer_str_before.split('\n')[:-1]
- new_cursor_line = len(new_cb)
- new_cursor = (new_cursor_line, cursor_column)
- except black.NothingChanged:
- new_cursor_line = cursor_line
- new_cursor = (new_cursor_line, cursor_column)
- except Exception as exc:
- print(exc)
- # Now we know where the cursor should be
- # when we format the entire buffer. Do it:
- buffer_str = '\n'.join(cb) + '\n'
- try:
- new_buffer_str = black.format_file_contents(buffer_str, fast=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:
- # Replace the buffer
- new_cb = new_buffer_str.split('\n')[:-1]
- vim.current.buffer[:] = new_cb
- # Restore the cursor to its rightful place
- try:
- vim.current.window.cursor = new_cursor
- except vim.error:
- vim.current.window.cursor = (len(vim.current.buffer), 0)
- print(f'Reformatted in {time.time() - start:.4f}s.')
-
-def BlackUpgrade():
- _initialize_black_env(upgrade=True)
-
-def BlackVersion():
- print(f'Black, version {black.__version__} on Python {sys.version}.')
-
-endpython3
-command! Black :py3 Black()
-command! BlackUpgrade :py3 BlackUpgrade()
-command! BlackVersion :py3 BlackVersion()
+command! Black :call black#Black()
+command! BlackUpgrade :call black#BlackUpgrade()
+command! BlackVersion :call black#BlackVersion()
projects / etc / vim.git / blobdiff