bpo-44771: Sync with importlib_resources 5.2.2, fixing refleak. (#27497)

* bpo-44771: Sync with importlib_resources 5.2.2, fixing refleak.

* Include new 'resources' dir in the Makefile.

Author: jaraco

Lib/importlib/_common.py

@@ -87,14 +87,16 @@ def _tempfile(reader, suffix=''):
     # properly.
     fd, raw_path = tempfile.mkstemp(suffix=suffix)
     try:
-        os.write(fd, reader())
-        os.close(fd)
+        try:
+            os.write(fd, reader())
+        finally:
+            os.close(fd)
         del reader
         yield pathlib.Path(raw_path)
     finally:
         try:
             os.remove(raw_path)
-        except (FileNotFoundError, PermissionError):
+        except FileNotFoundError:
             pass
 
 

Makefile.pre.in

@@ -1516,6 +1516,7 @@ TESTSUBDIRS=	ctypes/test \
 		test/test_importlib/namespace_pkgs/project3/parent/child \
 		test/test_importlib/namespacedata01 \
 		test/test_importlib/partial \
+		test/test_importlib/resources \
 		test/test_importlib/source \
 		test/test_importlib/zipdata01 \
 		test/test_importlib/zipdata02 \