tools/mpremote/main: Locate config.py location across Host OSes.

Josverl · Josverl · commit 77b368bd8250 · 2025-05-01T17:17:06.000+02:00
Use [platformdirs.user_config_dir()](https://platformdirs.readthedocs.io/en/latest/api.html#user-config-directory) to provide portability across many different OSes and configuration styles. Signed-off-by: Jos Verlinde <Jos_Verlinde@hotmail.com>
diff --git a/tools/mpremote/mpremote/main.py b/tools/mpremote/mpremote/main.py
@@ -22,6 +22,8 @@
 from collections.abc import Mapping
 from textwrap import dedent
 
+import platformdirs
+
 from .commands import (
     CommandError,
     do_connect,
@@ -396,18 +398,8 @@ def load_user_config():
     # Create empty config object.
     config = __build_class__(lambda: None, "Config")()
     config.commands = {}
-
-    # Get config file name.
-    path = os.getenv("XDG_CONFIG_HOME")
-    if path is None:
-        path = os.getenv("HOME")
-        if path is None:
-            return config
-        path = os.path.join(path, ".config")
-    path = os.path.join(path, _PROG)
+    path = platformdirs.user_config_dir(appname=_PROG, appauthor=False)
     config_file = os.path.join(path, "config.py")
-
-    # Check if config file exists.
     if not os.path.exists(config_file):
         return config
 
@@ -416,9 +408,11 @@ def load_user_config():
         config_data = f.read()
     prev_cwd = os.getcwd()
     os.chdir(path)
+    # pass in the config path so that the config file can use it
+    config.__dict__["config_path"] = path
+    config.__dict__["__file__"] = config_file
     exec(config_data, config.__dict__)
     os.chdir(prev_cwd)
-
     return config
 
 
