Merge pull request #499 from danielhollas/defer-inspect

Speed up import time by deferring inspect
python · Aug 20, 2024 · 2c43cfe · 2c43cfe
2 parents 3c8e1ec + a7aaf72
commit 2c43cfe
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/importlib_metadata/__init__.py b/importlib_metadata/__init__.py
@@ -8,7 +8,6 @@
 import zipp
 import email
 import types
-import inspect
 import pathlib
 import operator
 import textwrap
@@ -1106,6 +1105,9 @@ def _get_toplevel_name(name: PackagePath) -> str:
     >>> _get_toplevel_name(PackagePath('foo.dist-info'))
     'foo.dist-info'
     """
+    # Defer import of inspect for performance (python/cpython#118761)
+    import inspect
+
     return _topmost(name) or (
         # python/typeshed#10328
         inspect.getmodulename(name)  # type: ignore