Fuzz on Python 3.9 too (#1882)

[etc/vim.git] / plugin / black.vim

diff --git a/plugin/black.vim b/plugin/black.vim
index a4047d49d4b1b170e6bbeb9ca37090bdf055cd80..c5f0313f4aca3c6e12bdca60844e96e74fbbdf2d 100644 (file)
--- a/plugin/black.vim
+++ b/plugin/black.vim
@@ -14,7 +14,12 @@
 "    - restore cursor/window position after formatting
 
 if v:version < 700 || !has('python3')
-    echo "The black.vim plugin 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
 
@@ -36,15 +41,23 @@ 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
+if !exists("g:black_quiet")
+  let g:black_quiet = 0
 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")):
@@ -57,15 +70,14 @@ class Flag(collections.namedtuple("FlagBase", "name, cast")):
     name = self.var_name
     if name == "line_length":
       name = name.replace("_", "")
-    if name == "string_normalization":
-      name = "skip_" + name
     return "g:black_" + name
 
 
 FLAGS = [
   Flag(name="line_length", cast=int),
-  Flag(name="fast", cast=bool),
-  Flag(name="string_normalization", cast=bool),
+  Flag(name="fast", cast=strtobool),
+  Flag(name="string_normalization", cast=strtobool),
+  Flag(name="quiet", cast=strtobool),
 ]
 
 
@@ -105,13 +117,23 @@ 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...')
@@ -123,7 +145,7 @@ def _initialize_black_env(upgrade=False):
   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)
+    sys.path.insert(0, virtualenv_site_packages)
   return True
 
 if _initialize_black_env():
@@ -138,6 +160,7 @@ def Black():
     string_normalization=configs["string_normalization"],
     is_pyi=vim.current.buffer.name.endswith('.pyi'),
   )
+  quiet = configs["quiet"]
 
   buffer_str = '\n'.join(vim.current.buffer) + '\n'
   try:
@@ -147,7 +170,8 @@ def Black():
       mode=mode,
     )
   except black.NothingChanged:
-    print(f'Already well formatted, good job. (took {time.time() - start:.4f}s)')
+    if not quiet:
+      print(f'Already well formatted, good job. (took {time.time() - start:.4f}s)')
   except Exception as exc:
     print(exc)
   else:
@@ -165,7 +189,8 @@ def Black():
         window.cursor = cursor
       except vim.error:
         window.cursor = (len(window.buffer), 0)
-    print(f'Reformatted in {time.time() - start:.4f}s.')
+    if not quiet:
+      print(f'Reformatted in {time.time() - start:.4f}s.')
 
 def get_configs():
   path_pyproject_toml = black.find_pyproject_toml(vim.eval("fnamemodify(getcwd(), ':t')"))
@@ -175,7 +200,7 @@ def get_configs():
     toml_config = {}
 
   return {
-    flag.var_name: toml_config.get(flag.name, flag.cast(vim.eval(flag.vim_rc_name)))
+    flag.var_name: flag.cast(toml_config.get(flag.name, vim.eval(flag.vim_rc_name)))
     for flag in FLAGS
   }
 
@@ -186,7 +211,7 @@ def BlackUpgrade():
 def BlackVersion():
   print(f'Black, version {black.__version__} on Python {sys.version}.')
 
-endpython3
+EndPython3
 
 command! Black :py3 Black()
 command! BlackUpgrade :py3 BlackUpgrade()