From 6f0f4d6cca4cfcb60bd4ed09323eae5e5bd04958 Mon Sep 17 00:00:00 2001
From: Nils Philippsen <nils@tiptoe.de>
Date: Wed, 11 Jun 2025 23:09:29 +0200
Subject: [PATCH] Python 3.14: Skip broken test

This is a partial backport of commit b8b07a2f28657e57ae9b4071b6313df372b7f8cb

Signed-off-by: Nils Philippsen <nils@tiptoe.de>
---
 lib/sqlalchemy/testing/requirements.py | 14 ++++++++++++++
 lib/sqlalchemy/util/__init__.py        |  1 +
 lib/sqlalchemy/util/compat.py          |  1 +
 test/base/test_concurrency_py3k.py     |  1 +
 4 files changed, 17 insertions(+)

diff --git a/lib/sqlalchemy/testing/requirements.py b/lib/sqlalchemy/testing/requirements.py
index 9164faa93e..d8247dc283 100644
--- a/lib/sqlalchemy/testing/requirements.py
+++ b/lib/sqlalchemy/testing/requirements.py
@@ -1331,6 +1331,20 @@ class SuiteRequirements(Requirements):
             lambda: util.py38, "Python 3.8 or above required"
         )
 
+    @property
+    def not_python314(self):
+        """This requirement is interim to assist with backporting of
+        issue #12405.
+
+        SQLAlchemy 1.4 still includes the ``await_fallback()`` method that
+        makes use of ``asyncio.get_event_loop_policy()``.  This is removed
+        in SQLAlchemy 2.1.
+
+        """
+        return exclusions.skip_if(
+            lambda: util.py314, "Python 3.14 or above not supported"
+        )
+
     @property
     def cpython(self):
         return exclusions.only_if(
diff --git a/lib/sqlalchemy/util/__init__.py b/lib/sqlalchemy/util/__init__.py
index 078723c048..b77f70f76a 100644
--- a/lib/sqlalchemy/util/__init__.py
+++ b/lib/sqlalchemy/util/__init__.py
@@ -82,6 +82,7 @@ from .compat import py310
 from .compat import py311
 from .compat import py312
 from .compat import py313
+from .compat import py314
 from .compat import py37
 from .compat import py38
 from .compat import py39
diff --git a/lib/sqlalchemy/util/compat.py b/lib/sqlalchemy/util/compat.py
index bdb4a97854..fe7e7d6352 100644
--- a/lib/sqlalchemy/util/compat.py
+++ b/lib/sqlalchemy/util/compat.py
@@ -14,6 +14,7 @@ import operator
 import platform
 import sys
 
+py314 = sys.version_info >= (3, 14)
 py313 = sys.version_info >= (3, 13)
 py312 = sys.version_info >= (3, 12)
 py311 = sys.version_info >= (3, 11)
diff --git a/test/base/test_concurrency_py3k.py b/test/base/test_concurrency_py3k.py
index de7157c788..c639f24feb 100644
--- a/test/base/test_concurrency_py3k.py
+++ b/test/base/test_concurrency_py3k.py
@@ -81,6 +81,7 @@ class TestAsyncioCompat(fixtures.TestBase):
         with expect_raises_message(ValueError, "sync error"):
             await greenlet_spawn(go)
 
+    @testing.requires.not_python314
     def test_await_fallback_no_greenlet(self):
         to_await = run1()
         await_fallback(to_await)
-- 
2.47.2