Revert "bpo-31961: subprocess now accepts path-like args (GH-4329)" (#5912)

* Revert "bpo-31961: subprocess now accepts path-like args (GH-4329)"

This reverts commit dd42cb71f2cb02f3a32f016137b12a146bc0d0e2.

2 files changed, 2 insertions, 41 deletions

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
index 2723bc9..93635ee 100644
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -1097,12 +1097,7 @@ class Popen(object):
             assert not pass_fds, "pass_fds not supported on Windows."
 
             if not isinstance(args, str):
-                try:
-                    args = os.fsdecode(args)  # os.PathLike -> str
-                except TypeError:  # not an os.PathLike, must be a sequence.
-                    args = list(args)
-                    args[0] = os.fsdecode(args[0])  # os.PathLike -> str
-                    args = list2cmdline(args)
+                args = list2cmdline(args)
 
             # Process startup details
             if startupinfo is None:
@@ -1374,10 +1369,7 @@ class Popen(object):
             if isinstance(args, (str, bytes)):
                 args = [args]
             else:
-                try:
-                    args = list(args)
-                except TypeError:  # os.PathLike instead of a sequence?
-                    args = [os.fsencode(args)]  # os.PathLike -> [str]
+                args = list(args)
 
             if shell:
                 # On Android the default shell is at '/system/bin/sh'.
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index b3ccb0d..46cb5f1 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1475,37 +1475,6 @@ class RunFuncTestCase(BaseTestCase):
                              env=newenv)
         self.assertEqual(cp.returncode, 33)
 
-    def test_run_with_pathlike_path(self):
-        # bpo-31961: test run(pathlike_object)
-        class Path:
-            def __fspath__(self):
-                # the name of a command that can be run without
-                # any argumenets that exit fast
-                return 'dir' if mswindows else 'ls'
-
-        path = Path()
-        if mswindows:
-            res = subprocess.run(path, stdout=subprocess.DEVNULL, shell=True)
-        else:
-            res = subprocess.run(path, stdout=subprocess.DEVNULL)
-
-        self.assertEqual(res.returncode, 0)
-
-    def test_run_with_pathlike_path_and_arguments(self):
-        # bpo-31961: test run([pathlike_object, 'additional arguments'])
-        class Path:
-            def __fspath__(self):
-                # the name of a command that can be run without
-                # any argumenets that exits fast
-                return sys.executable
-
-        path = Path()
-
-        args = [path, '-c', 'import sys; sys.exit(57)']
-        res = subprocess.run(args)
-
-        self.assertEqual(res.returncode, 57)
-
     def test_capture_output(self):
         cp = self.run_python(("import sys;"
                               "sys.stdout.write('BDFL'); "