Improve an error message when failed to load pyproject.toml (#653)

[etc/vim.git] / black.py

diff --git a/black.py b/black.py
index c1cc08021f313fe7fdec00c75bdccf53b2d24f0c..52c5b0c69c6192634dcd26ba8d23d978373eb820 100644 (file)
--- a/black.py
+++ b/black.py
@@ -8,7 +8,7 @@ import io
 import itertools
 import keyword
 import logging
-from multiprocessing import Manager
+from multiprocessing import Manager, freeze_support
 import os
 from pathlib import Path
 import pickle
@@ -160,7 +160,9 @@ def read_pyproject_toml(
         pyproject_toml = toml.load(value)
         config = pyproject_toml.get("tool", {}).get("black", {})
     except (toml.TomlDecodeError, OSError) as e:
-        raise click.BadOptionUsage(f"Error reading configuration file: {e}", ctx)
+        raise click.FileError(
+            filename=value, hint=f"Error reading configuration file: {e}"
+        )
 
     if not config:
         return None
@@ -3658,6 +3660,7 @@ def patch_click() -> None:
 
 
 def patched_main() -> None:
+    freeze_support()
     patch_click()
     main()