From 8ded34a1ff2d355e95213ab72493908f2ca25dd9 Mon Sep 17 00:00:00 2001
From: Nikita Sobolev <mail@sobolevn.me>
Date: Fri, 22 Sep 2023 23:51:58 +0300
Subject: gh-109721: Guard `_testinternalcapi` imports in tests (GH-109722)

---
 Lib/test/test_cmd_line.py        | 1 +
 Lib/test/test_import/__init__.py | 5 ++++-
 Lib/test/test_opcache.py         | 8 ++++++--
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index e88b7c8..f4754db 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -799,6 +799,7 @@ class CmdLineTest(unittest.TestCase):
         self.assertEqual(proc.stdout.rstrip(), name)
         self.assertEqual(proc.returncode, 0)
 
+    @support.cpython_only
     def test_pythonmalloc(self):
         # Test the PYTHONMALLOC environment variable
         pymalloc = support.with_pymalloc()
diff --git a/Lib/test/test_import/__init__.py b/Lib/test/test_import/__init__.py
index a302a60..48553f9 100644
--- a/Lib/test/test_import/__init__.py
+++ b/Lib/test/test_import/__init__.py
@@ -22,7 +22,6 @@ import time
 import types
 import unittest
 from unittest import mock
-import _testinternalcapi
 import _imp
 
 from test.support import os_helper
@@ -50,6 +49,10 @@ try:
     import _xxsubinterpreters as _interpreters
 except ModuleNotFoundError:
     _interpreters = None
+try:
+    import _testinternalcapi
+except ImportError:
+    _testinternalcapi = None
 
 
 skip_if_dont_write_bytecode = unittest.skipIf(
diff --git a/Lib/test/test_opcache.py b/Lib/test/test_opcache.py
index 692e03f..2b2783d 100644
--- a/Lib/test/test_opcache.py
+++ b/Lib/test/test_opcache.py
@@ -4,13 +4,17 @@ import dis
 import threading
 import types
 import unittest
-from test.support import threading_helper
+from test.support import threading_helper, check_impl_detail
+
+# Skip this module on other interpreters, it is cpython specific:
+if check_impl_detail(cpython=False):
+    raise unittest.SkipTest('implementation detail specific to cpython')
+
 import _testinternalcapi
 
 
 def disabling_optimizer(func):
     def wrapper(*args, **kwargs):
-        import _testinternalcapi
         old_opt = _testinternalcapi.get_optimizer()
         _testinternalcapi.set_optimizer(None)
         try:
-- 
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