Merge pull request #19 from jdost/master

Support global config as a fallback

Author: haplo

pylsp_black/plugin.py

@@ -1,12 +1,28 @@
 import logging
-from typing import Dict
+import os
+from pathlib import Path
+from typing import Dict, Optional
 
 import black
 import toml
 from pylsp import hookimpl
 
 logger = logging.getLogger(__name__)
 
+GLOBAL_CONFIG: Optional[Path] = None
+try:
+    if os.name == "nt":
+        GLOBAL_CONFIG = Path.home() / ".black"
+    elif "XDG_CONFIG_HOME" in os.environ:
+        GLOBAL_CONFIG = Path(os.environ["XDG_CONFIG_HOME"]) / "black"
+    else:
+        GLOBAL_CONFIG = Path.home() / ".config" / "black"
+except Exception as e:
+    logger.error("Error determining black global config file path: %s", e)
+else:
+    if GLOBAL_CONFIG is not None and GLOBAL_CONFIG.exists():
+        logger.info("Found black global config file at %s", GLOBAL_CONFIG)
+
 
 @hookimpl(tryfirst=True)
 def pylsp_format_document(document):
@@ -82,8 +98,12 @@ def load_config(filename: str) -> Dict:
     pyproject_filename = root / "pyproject.toml"
 
     if not pyproject_filename.is_file():
-        logger.info("Using defaults: %r", defaults)
-        return defaults
+        if GLOBAL_CONFIG is not None and GLOBAL_CONFIG.exists():
+            pyproject_filename = GLOBAL_CONFIG
+            logger.info("Using global black config at %s", pyproject_filename)
+        else:
+            logger.info("Using defaults: %r", defaults)
+            return defaults
 
     try:
         pyproject_toml = toml.load(str(pyproject_filename))