Allow case-insensitive log levels

nrnavaneet · nrnavaneet · commit 1f29d69552a2 · 2025-07-14T18:40:14.000+05:30
diff --git a/lib/matplotlib/__init__.pyi b/lib/matplotlib/__init__.pyi
@@ -32,6 +32,7 @@ __all__ = [
 ]
 
 import os
+import logging
 from pathlib import Path
 
 from collections.abc import Callable, Generator
@@ -54,7 +55,8 @@ __bibtex__: str
 __version__: str
 __version_info__: _VersionInfo
 
-def set_loglevel(level: LogLevel) -> None: ...
+def set_loglevel(level: LogLevel | str) -> None:
+    logging.getLogger("matplotlib").setLevel(level.lower())
 
 class _ExecInfo(NamedTuple):
     executable: str
