Add Python 3.14 support

src/qtinter/_unix_events.py

@@ -33,7 +33,15 @@ def remove_signal_handler(self, sig):
         return result
 
 
-class QiSelectorEventLoopPolicy(asyncio.unix_events.DefaultEventLoopPolicy):
+# Python 3.14 renamed asyncio.unix_events.DefaultEventLoopPolicy to
+# asyncio.unix_events._DefaultEventLoopPolicy
+try:
+    _DefaultEventLoopPolicy = asyncio.unix_events.DefaultEventLoopPolicy
+except AttributeError:  # Python 3.14+
+    _DefaultEventLoopPolicy = asyncio.unix_events._DefaultEventLoopPolicy
+
+
+class QiSelectorEventLoopPolicy(_DefaultEventLoopPolicy):
     _loop_factory = QiSelectorEventLoop
 
 

src/qtinter/_windows_events.py

@@ -226,7 +226,15 @@ def _qi_loop_cleanup(self):
             # ---- END COPIED FROM ProactorEventLoop.run_forever
 
 
-class QiProactorEventLoopPolicy(asyncio.events.BaseDefaultEventLoopPolicy):
+# Python 3.14 renamed asyncio.events.BaseDefaultEventLoopPolicy to
+# asyncio.events._BaseDefaultEventLoopPolicy
+try:
+    _BaseDefaultEventLoopPolicy = asyncio.events.BaseDefaultEventLoopPolicy
+except AttributeError:  # Python 3.14+
+    _BaseDefaultEventLoopPolicy = asyncio.events._BaseDefaultEventLoopPolicy
+
+
+class QiProactorEventLoopPolicy(_BaseDefaultEventLoopPolicy):
     _loop_factory = QiProactorEventLoop
 
 
@@ -237,7 +245,7 @@ class QiSelectorEventLoop(
     pass
 
 
-class QiSelectorEventLoopPolicy(asyncio.events.BaseDefaultEventLoopPolicy):
+class QiSelectorEventLoopPolicy(_BaseDefaultEventLoopPolicy):
     _loop_factory = QiSelectorEventLoop