properly support python 3.14

Author: karpetrosyan

.github/workflows/test-suite.yml

@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
 
     steps:
       - uses: "actions/checkout@v4"

pyproject.toml

@@ -25,6 +25,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Internet :: WWW/HTTP",
 ]
 dependencies = [
@@ -82,7 +83,7 @@ test = [
     "trio==0.31.0",
     "trio-typing==0.10.0",
     "trustme==1.2.1",
-    "uvicorn==0.35.0",
+    "uvicorn==0.38.0",
 ]
 docs = [
     "mkdocs==1.6.1",

tests/conftest.py

@@ -235,10 +235,9 @@ def install_signal_handlers(self) -> None:
     async def serve(self, sockets=None):
         self.restart_requested = asyncio.Event()
 
-        loop = asyncio.get_event_loop()
         tasks = {
-            loop.create_task(super().serve(sockets=sockets)),
-            loop.create_task(self.watch_restarts()),
+            asyncio.create_task(super().serve(sockets=sockets)),
+            asyncio.create_task(self.watch_restarts()),
         }
         await asyncio.wait(tasks)
 
@@ -269,7 +268,15 @@ async def watch_restarts(self) -> None:  # pragma: no cover
 
 
 def serve_in_thread(server: TestServer) -> typing.Iterator[TestServer]:
-    thread = threading.Thread(target=server.run)
+    def run_server() -> None:
+        loop = asyncio.new_event_loop()
+        asyncio.set_event_loop(loop)
+        try:
+            loop.run_until_complete(server.serve())  # type: ignore
+        finally:
+            loop.close()
+
+    thread = threading.Thread(target=run_server)
     thread.start()
     try:
         while not server.started:
@@ -282,6 +289,6 @@ def serve_in_thread(server: TestServer) -> typing.Iterator[TestServer]:
 
 @pytest.fixture(scope="session")
 def server() -> typing.Iterator[TestServer]:
-    config = Config(app=app, lifespan="off", loop="asyncio")
+    config = Config(app=app, lifespan="off")
     server = TestServer(config=config)
     yield from serve_in_thread(server)

tests/test_timeouts.py

@@ -12,6 +12,8 @@ async def test_read_timeout(server):
             await client.get(server.url.copy_with(path="/slow_response"))
 
 
+# TODO: Fix ResourceWarning in this test for Python>=3.14
+@pytest.mark.filterwarnings("ignore::ResourceWarning")
 @pytest.mark.anyio
 async def test_write_timeout(server):
     timeout = httpx.Timeout(None, write=1e-6)