From 2da0dc094fa855ed4df251aab58b6f8a2b6969a1 Mon Sep 17 00:00:00 2001
From: Nikita Sobolev <mail@sobolevn.me>
Date: Tue, 28 May 2024 18:50:50 +0300
Subject: [PATCH] gh-119659: Move `@no_rerun` to `test.support` (#119660)

---
 Lib/test/datetimetester.py       | 22 +---------------------
 Lib/test/support/__init__.py     | 19 +++++++++++++++++++
 Lib/test/test_import/__init__.py | 21 +--------------------
 3 files changed, 21 insertions(+), 41 deletions(-)

diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index ba7f185a092..535b17d0727 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -22,7 +22,7 @@ from operator import lt, le, gt, ge, eq, ne, truediv, floordiv, mod
 
 from test import support
 from test.support import is_resource_enabled, ALWAYS_EQ, LARGEST, SMALLEST
-from test.support import warnings_helper
+from test.support import warnings_helper, no_rerun
 
 import datetime as datetime_module
 from datetime import MINYEAR, MAXYEAR
@@ -47,26 +47,6 @@ except ImportError:
     pass
 #
 
-# This is copied from test_import/__init__.py.
-# XXX Move it to support/__init__.py.
-def no_rerun(reason):
-    """Skip rerunning for a particular test.
-
-    WARNING: Use this decorator with care; skipping rerunning makes it
-    impossible to find reference leaks. Provide a clear reason for skipping the
-    test using the 'reason' parameter.
-    """
-    def deco(func):
-        _has_run = False
-        def wrapper(self):
-            nonlocal _has_run
-            if _has_run:
-                self.skipTest(reason)
-            func(self)
-            _has_run = True
-        return wrapper
-    return deco
-
 pickle_loads = {pickle.loads, pickle._loads}
 
 pickle_choices = [(pickle, pickle, proto)
diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py
index e2a854663dd..5825efadffc 100644
--- a/Lib/test/support/__init__.py
+++ b/Lib/test/support/__init__.py
@@ -1189,6 +1189,25 @@ def no_tracing(func):
     return coverage_wrapper
 
 
+def no_rerun(reason):
+    """Skip rerunning for a particular test.
+
+    WARNING: Use this decorator with care; skipping rerunning makes it
+    impossible to find reference leaks. Provide a clear reason for skipping the
+    test using the 'reason' parameter.
+    """
+    def deco(func):
+        _has_run = False
+        def wrapper(self):
+            nonlocal _has_run
+            if _has_run:
+                self.skipTest(reason)
+            func(self)
+            _has_run = True
+        return wrapper
+    return deco
+
+
 def refcount_test(test):
     """Decorator for tests which involve reference counting.
 
diff --git a/Lib/test/test_import/__init__.py b/Lib/test/test_import/__init__.py
index b09065f812c..97e262cfdb9 100644
--- a/Lib/test/test_import/__init__.py
+++ b/Lib/test/test_import/__init__.py
@@ -31,7 +31,7 @@ from test.support import os_helper
 from test.support import (
     STDLIB_DIR, swap_attr, swap_item, cpython_only, is_apple_mobile, is_emscripten,
     is_wasi, run_in_subinterp, run_in_subinterp_with_config, Py_TRACE_REFS,
-    requires_gil_enabled, Py_GIL_DISABLED)
+    requires_gil_enabled, Py_GIL_DISABLED, no_rerun)
 from test.support.import_helper import (
     forget, make_legacy_pyc, unlink, unload, ready_to_import,
     DirsOnSysPath, CleanImport, import_module)
@@ -120,25 +120,6 @@ def remove_files(name):
     rmtree('__pycache__')
 
 
-def no_rerun(reason):
-    """Skip rerunning for a particular test.
-
-    WARNING: Use this decorator with care; skipping rerunning makes it
-    impossible to find reference leaks. Provide a clear reason for skipping the
-    test using the 'reason' parameter.
-    """
-    def deco(func):
-        _has_run = False
-        def wrapper(self):
-            nonlocal _has_run
-            if _has_run:
-                self.skipTest(reason)
-            func(self)
-            _has_run = True
-        return wrapper
-    return deco
-
-
 if _testsinglephase is not None:
     def restore__testsinglephase(*, _orig=_testsinglephase):
         # We started with the module imported and want to restore