gh-116811: Ensure MetadataPathFinder.invalidate_caches is reachable when delegated through PathFinder. (python/cpython#116812)

jaraco · jaraco · commit fb7465c6f818 · 2024-03-20T04:23:12.000-04:00
* Make MetadataPathFinder a proper classmethod.
diff --git a/importlib_metadata/__init__.py b/importlib_metadata/__init__.py
@@ -898,6 +898,7 @@ def _search_paths(cls, name, paths):
             path.search(prepared) for path in map(FastPath, paths)
         )
 
+    @classmethod
     def invalidate_caches(cls) -> None:
         FastPath.__new__.cache_clear()
 
diff --git a/newsfragments/+.bugfix.rst b/newsfragments/+.bugfix.rst
@@ -0,0 +1 @@
+Allow ``MetadataPathFinder.invalidate_caches`` to be called as a classmethod.

Original file line number	Diff line number	Diff line change
`@@ -898,6 +898,7 @@ def _search_paths(cls, name, paths):`
`898`	`898`	`path.search(prepared) for path in map(FastPath, paths)`
`899`	`899`	`)`
`900`	`900`
	`901`	`+ @classmethod`
`901`	`902`	`def invalidate_caches(cls) -> None:`
`902`	`903`	`FastPath.__new__.cache_clear()`
`903`	`904`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Allow ``MetadataPathFinder.invalidate_caches`` to be called as a classmethod.