GH-109653: Defer import of importlib.metadata._adapters (python/cpython#109829)

AA-Turner · jaraco · jaraco · commit ca03a4df06b8 · 2024-03-21T09:06:54.000-04:00
---------

Co-authored-by: Jason R. Coombs &lt;jaraco@jaraco.com&gt;
diff --git a/importlib_resources/_common.py b/importlib_resources/_common.py
@@ -12,8 +12,6 @@
 from typing import Union, Optional, cast
 from .abc import ResourceReader, Traversable
 
-from .future.adapters import wrap_spec
-
 Package = Union[types.ModuleType, str]
 Anchor = Package
 
@@ -111,6 +109,9 @@ def from_package(package: types.ModuleType):
     Return a Traversable object for the given package.
 
     """
+    # deferred for performance (python/cpython#109829)
+    from .future.adapters import wrap_spec
+
     spec = wrap_spec(package)
     reader = spec.loader.get_resource_reader(spec.name)
     return reader.files()
diff --git a/newsfragments/+.feature.rst b/newsfragments/+.feature.rst
@@ -0,0 +1 @@
+Deferred select imports in for a speedup (python/cpython#109829).

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Deferred select imports in for a speedup (python/cpython#109829).`