Replace os.path.abspath with os.fspath and add test

0x29a · 0x29a · commit 9d34011f699c · 2019-06-04T21:13:28.000+03:00
diff --git a/Lib/tarfile.py b/Lib/tarfile.py
@@ -349,7 +349,7 @@ def __init__(self, name, mode, comptype, fileobj, bufsize):
             fileobj = _StreamProxy(fileobj)
             comptype = fileobj.getcomptype()
 
-        self.name     = os.path.abspath(name) if name else ""
+        self.name     = os.fspath(name) if name else ""
         self.mode     = mode
         self.comptype = comptype
         self.fileobj  = fileobj
diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
@@ -1422,7 +1422,10 @@ def test_file_mode(self):
             os.umask(original_umask)
 
 class GzipStreamWriteTest(GzipTest, StreamWriteTest):
-    pass
+    def test_open_by_path_object(self):
+        # Test for issue #37144: open gzip for stream write by path-like object
+        tar = tarfile.open(pathlib.Path(self.tarname), self.mode)
+        tar.close()
 
 class Bz2StreamWriteTest(Bz2Test, StreamWriteTest):
     decompressor = bz2.BZ2Decompressor if bz2 else None
