From 62881a79a81816f075c8809b94438a3d519af0a4 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 27 Sep 2023 16:09:23 +0200
Subject: gh-109566: regrtest doesn't enable --rerun if --python is used
 (#109969)

regrtest: --fast-ci and --slow-ci options no longer enable --rerun if
the --python option is used.
---
 Lib/test/libregrtest/cmdline.py |  3 ++-
 Lib/test/test_regrtest.py       | 12 ++++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/Lib/test/libregrtest/cmdline.py b/Lib/test/libregrtest/cmdline.py
index c180bb7..0a86356 100644
--- a/Lib/test/libregrtest/cmdline.py
+++ b/Lib/test/libregrtest/cmdline.py
@@ -420,7 +420,8 @@ def _parse_args(args, **kwargs):
         ns.randomize = True
         ns.fail_env_changed = True
         ns.fail_rerun = True
-        ns.rerun = True
+        if ns.python is None:
+            ns.rerun = True
         ns.print_slow = True
         ns.verbose3 = True
         if MS_WINDOWS:
diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
index e0568cb..da1406d 100644
--- a/Lib/test/test_regrtest.py
+++ b/Lib/test/test_regrtest.py
@@ -374,7 +374,7 @@ class ParseArgsTestCase(unittest.TestCase):
         self.checkError(['--unknown-option'],
                         'unrecognized arguments: --unknown-option')
 
-    def check_ci_mode(self, args, use_resources):
+    def check_ci_mode(self, args, use_resources, rerun=True):
         ns = cmdline._parse_args(args)
         if utils.MS_WINDOWS:
             self.assertTrue(ns.nowindows)
@@ -383,7 +383,7 @@ class ParseArgsTestCase(unittest.TestCase):
         # which has an unclear API
         regrtest = main.Regrtest(ns)
         self.assertEqual(regrtest.num_workers, -1)
-        self.assertTrue(regrtest.want_rerun)
+        self.assertEqual(regrtest.want_rerun, rerun)
         self.assertTrue(regrtest.randomize)
         self.assertIsNone(regrtest.random_seed)
         self.assertTrue(regrtest.fail_env_changed)
@@ -400,6 +400,14 @@ class ParseArgsTestCase(unittest.TestCase):
         regrtest = self.check_ci_mode(args, use_resources)
         self.assertEqual(regrtest.timeout, 10 * 60)
 
+    def test_fast_ci_python_cmd(self):
+        args = ['--fast-ci', '--python', 'python -X dev']
+        use_resources = sorted(cmdline.ALL_RESOURCES)
+        use_resources.remove('cpu')
+        regrtest = self.check_ci_mode(args, use_resources, rerun=False)
+        self.assertEqual(regrtest.timeout, 10 * 60)
+        self.assertEqual(regrtest.python_cmd, ('python', '-X', 'dev'))
+
     def test_fast_ci_resource(self):
         # it should be possible to override resources
         args = ['--fast-ci', '-u', 'network']
-- 
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