Suppport Python 3.14

.github/workflows/main.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       matrix:
         os: [Ubuntu, Windows, MacOS]
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14-dev"]
         qt-version: ["pyside2", "pyside6", "pyqt5", "pyqt6"]
         include:
           - os: Ubuntu
@@ -29,6 +29,9 @@ jobs:
             image: windows-2022
           - os: MacOS
             image: macos-14
+          - os: MacOS
+            qt-version: pyside2
+            image: macos-13
       fail-fast: false
     defaults:
       run:

qasync/__init__.py

@@ -817,29 +817,30 @@ def wrapper(*args, **kwargs):
 
     return outer_decorator
 
-
-class QEventLoopPolicyMixin:
-    def new_event_loop(self):
-        return QEventLoop(QApplication.instance() or QApplication(sys.argv))
-
-
-class DefaultQEventLoopPolicy(
-    QEventLoopPolicyMixin,
-    asyncio.DefaultEventLoopPolicy,
-):
-    pass
-
-
 @contextlib.contextmanager
-def _set_event_loop_policy(policy):
-    old_policy = asyncio.get_event_loop_policy()
-    asyncio.set_event_loop_policy(policy)
+def _use_qeventloop(loop_factory):
+    app = QApplication.instance() or QApplication([sys.argv])
+    if loop_factory is None:
+        loop = QEventLoop(app)
+    else:
+        loop = loop_factory(app)
+    try:
+        old_loop = asyncio.get_event_loop()
+    except RuntimeError:  # No current event loop
+        old_loop = None
+    asyncio.set_event_loop(loop)
     try:
-        yield
+        yield loop
     finally:
-        asyncio.set_event_loop_policy(old_policy)
-
+        loop.close()
+        asyncio.set_event_loop(old_loop)
 
-def run(*args, **kwargs):
-    with _set_event_loop_policy(DefaultQEventLoopPolicy()):
-        return asyncio.run(*args, **kwargs)
+# A run function matching the signature of asyncio.run
+def run(main_coro, *, debug=None, loop_factory=None):
+    """
+    Run the given coroutine using a QEventLoop.
+    """
+    with _use_qeventloop(loop_factory) as loop:
+        if debug is not None:
+            loop.set_debug(debug)
+        return loop.run_until_complete(main_coro)

tests/test_run.py

@@ -0,0 +1,18 @@
+import qasync
+import asyncio
+import os
+from qasync import QApplication
+
+def test_run_with_contextmanager(application):
+    async def coro():
+        event_loop = asyncio.get_event_loop()
+        assert type(event_loop).__name__ == "QIOCPEventLoop" if os.name == 'nt' else "QSelectorEventLoop"
+        await asyncio.sleep(0)
+
+    qasync.run(coro())
+
+    try:
+        event_loop = asyncio.get_event_loop()
+    except:
+        event_loop = None
+    assert type(event_loop).__name__ != "QIOCPEventLoop" if os.name == 'nt' else "QSelectorEventLoop"