feat: upgrade black plugin to 1.2 (#82)

layers/layer4_vim/0021_configvim/vim/bundle/black/plugin/black.vim

@@ -2,7 +2,7 @@
 " Author: Łukasz Langa
 " Created: Mon Mar 26 23:27:53 2018 -0700
 " Requires: Vim Ver7.0+
-" Version:  1.1
+" Version:  1.2
 "
 " Documentation:
 "   This plugin formats Python files.
@@ -12,14 +12,21 @@
 "    - 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."
-    finish
+if exists("g:load_black")
+  finish
 endif
 
-if exists("g:load_black")
-   finish
+if v:version < 700 || !has('python3')
+    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
 
 let g:load_black = "py1.0"
@@ -37,56 +44,43 @@ 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")
+    let g:black_skip_string_normalization = !g:black_string_normalization
+  else
+    let g:black_skip_string_normalization = 0
+  endif
+endif
+if !exists("g:black_skip_magic_trailing_comma")
+  if exists("g:black_magic_trailing_comma")
+    let g:black_skip_magic_trailing_comma = !g:black_magic_trailing_comma
+  else
+    let g:black_skip_magic_trailing_comma = 0
+  endif
+endif
+if !exists("g:black_quiet")
+  let g:black_quiet = 0
+endif
+if !exists("g:black_target_version")
+  let g:black_target_version = ""
+endif
+if !exists("g:black_use_virtualenv")
+  let g:black_use_virtualenv = 1
+endif
+if !exists("g:black_preview")
+  let g:black_preview = 0
 endif
 
-python3 << endpython3
-import os
-import sys
-import vim
-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'),
-  )
-  buffer_str = '\n'.join(vim.current.buffer) + '\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:
-    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 BlackUpgrade():
-    pass
-
-def BlackVersion():
-  print(f'Black, version {black.__version__} on Python {sys.version}.')
-
-endpython3
+function BlackComplete(ArgLead, CmdLine, CursorPos)
+  return [
+\    'target_version=py27',
+\    'target_version=py36',
+\    'target_version=py37',
+\    'target_version=py38',
+\    'target_version=py39',
+\    'target_version=py310',
+\  ]
+endfunction
 
-command! Black :py3 Black()
-command! BlackUpgrade :py3 BlackUpgrade()
-command! BlackVersion :py3 BlackVersion()
+command! -nargs=* -complete=customlist,BlackComplete Black :call black#Black(<f-args>)
+command! BlackUpgrade :call black#BlackUpgrade()
+command! BlackVersion :call black#BlackVersion()