1 files changed, 53 insertions, 0 deletions
diff --git a/setuptools/_distutils/tests/py38compat.py b/setuptools/_distutils/tests/py38compat.py
new file mode 100644
index 00000000..32269c7b
--- /dev/null
+++ b/setuptools/_distutils/tests/py38compat.py
@@ -0,0 +1,53 @@
+# flake8: noqa
+
+import contextlib
+import builtins
+
+ModuleNotFoundError = getattr(builtins, 'ModuleNotFoundError', ImportError)
+
+try:
+    from test.support.warnings_helper import check_warnings
+except (ModuleNotFoundError, ImportError):
+    from test.support import check_warnings
+
+
+try:
+    from test.support.os_helper import (
+        change_cwd,
+        rmtree,
+        EnvironmentVarGuard,
+        TESTFN,
+        unlink,
+        skip_unless_symlink,
+        temp_dir,
+        create_empty_file,
+        temp_cwd,
+    )
+except (ModuleNotFoundError, ImportError):
+    from test.support import (
+        change_cwd,
+        rmtree,
+        EnvironmentVarGuard,
+        TESTFN,
+        unlink,
+        skip_unless_symlink,
+        temp_dir,
+        create_empty_file,
+        temp_cwd,
+    )
+
+
+# From Python 3.9
+@contextlib.contextmanager
+def _save_restore_warnings_filters():
+    old_filters = warnings.filters[:]
+    try:
+        yield
+    finally:
+        warnings.filters[:] = old_filters
+
+
+try:
+    from test.support.warnings_helper import save_restore_warnings_filters
+except (ModuleNotFoundError, ImportError):
+    save_restore_warnings_filters = _save_restore_warnings_filters