Fix tests for Python 3.14

.github/workflows/test-suite.yml

@@ -14,14 +14,16 @@ 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"
-      - uses: "actions/setup-python@v6"
+      - name: Install uv (official Astral action)
+        uses: astral-sh/setup-uv@v5
         with:
-          python-version: "${{ matrix.python-version }}"
-          allow-prereleases: true
+          version: "0.9.13"
+          enable-cache: true
+          python-version: ${{ matrix.python-version }}
       - name: "Install dependencies"
         run: "scripts/install"
       - name: "Run linting checks"

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 = [
@@ -64,6 +65,40 @@ Documentation = "https://www.python-httpx.org"
 Homepage = "https://github.com/encode/httpx"
 Source = "https://github.com/encode/httpx"
 
+[dependency-groups]
+dev = [
+    # Install httpx with all optional dependencies
+    { include-group = "test" },
+    { include-group = "docs" },
+    { include-group = "package" },
+    { include-group = "lint" },
+]
+test = [
+    # Optional charset auto-detection (used in test cases)
+    "chardet==5.2.0",
+    # Testing dependencies
+    "coverage[toml]==7.10.6",
+    "cryptography==45.0.7",
+    "pytest==8.4.1",
+    "trio==0.31.0",
+    "trio-typing==0.10.0",
+    "trustme==1.2.1",
+    "uvicorn==0.38.0",
+]
+docs = [
+    "mkdocs==1.6.1",
+    "mkautodoc==0.2.0",
+    "mkdocs-material==9.6.18",
+]
+package = [
+    "build==1.3.0",
+    "twine==6.1.0",
+]
+lint = [
+    "mypy==1.17.1",
+    "ruff==0.12.11",
+]
+
 [tool.hatch.version]
 path = "httpx/__version__.py"
 

scripts/build

@@ -1,13 +1,7 @@
 #!/bin/sh -e
 
-if [ -d 'venv' ] ; then
-    PREFIX="venv/bin/"
-else
-    PREFIX=""
-fi
-
 set -x
 
-${PREFIX}python -m build
-${PREFIX}twine check dist/*
-${PREFIX}mkdocs build
+uv run python -m build
+uv run twine check dist/*
+uv run mkdocs build

scripts/check

@@ -1,14 +1,16 @@
 #!/bin/sh -e
 
-export PREFIX=""
-if [ -d 'venv' ] ; then
-    export PREFIX="venv/bin/"
-fi
 export SOURCE_FILES="httpx tests"
 
 set -x
 
 ./scripts/sync-version
-${PREFIX}ruff format $SOURCE_FILES --diff
-${PREFIX}mypy $SOURCE_FILES
-${PREFIX}ruff check $SOURCE_FILES
+
+echo "==> Checking formatting…"
+uv run ruff format $SOURCE_FILES --diff
+
+echo "==> Running type checks and linting…"
+uv run mypy $SOURCE_FILES
+
+echo "==> Running linting checks…"
+uv run ruff check $SOURCE_FILES

scripts/coverage

@@ -1,11 +1,7 @@
 #!/bin/sh -e
 
-export PREFIX=""
-if [ -d 'venv' ] ; then
-    export PREFIX="venv/bin/"
-fi
 export SOURCE_FILES="httpx tests"
 
 set -x
 
-${PREFIX}coverage report --show-missing --skip-covered --fail-under=100
+uv run coverage report --show-missing --skip-covered --fail-under=100

scripts/docs

@@ -1,10 +1,5 @@
 #!/bin/sh -e
 
-export PREFIX=""
-if [ -d 'venv' ] ; then
-    export PREFIX="venv/bin/"
-fi
-
 set -x
 
-${PREFIX}mkdocs serve
+uv run mkdocs serve

scripts/install

@@ -1,19 +1,4 @@
 #!/bin/sh -e
 
-# Use the Python executable provided from the `-p` option, or a default.
-[ "$1" = "-p" ] && PYTHON=$2 || PYTHON="python3"
-
-REQUIREMENTS="requirements.txt"
-VENV="venv"
-
-set -x
-
-if [ -z "$GITHUB_ACTIONS" ]; then
-    "$PYTHON" -m venv "$VENV"
-    PIP="$VENV/bin/pip"
-else
-    PIP="pip"
-fi
-
-"$PIP" install -U pip
-"$PIP" install -r "$REQUIREMENTS"
+echo "==> Installing Python dependencies…"
+uv sync --all-extras

scripts/lint

@@ -1,12 +1,11 @@
 #!/bin/sh -e
 
-export PREFIX=""
-if [ -d 'venv' ]; then
-    export PREFIX="venv/bin/"
-fi
 export SOURCE_FILES="httpx tests"
 
 set -x
 
-${PREFIX}ruff check --fix $SOURCE_FILES
-${PREFIX}ruff format $SOURCE_FILES
+echo "==> Running linting checks…"
+uv run ruff check --fix $SOURCE_FILES
+
+echo "==> Formatting source code…"
+uv run ruff format $SOURCE_FILES

scripts/publish

@@ -2,11 +2,6 @@
 
 VERSION_FILE="httpx/__version__.py"
 
-if [ -d 'venv' ] ; then
-    PREFIX="venv/bin/"
-else
-    PREFIX=""
-fi
 
 if [ ! -z "$GITHUB_ACTIONS" ]; then
   git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
@@ -22,5 +17,5 @@ fi
 
 set -x
 
-${PREFIX}twine upload dist/*
-${PREFIX}mkdocs gh-deploy --force
+uv run twine upload dist/*
+uv run mkdocs gh-deploy --force

scripts/test

@@ -1,17 +1,12 @@
 #!/bin/sh
 
-export PREFIX=""
-if [ -d 'venv' ] ; then
-    export PREFIX="venv/bin/"
-fi
-
 set -ex
 
 if [ -z $GITHUB_ACTIONS ]; then
     scripts/check
 fi
 
-${PREFIX}coverage run -m pytest "$@"
+uv run coverage run -m pytest "$@"
 
 if [ -z $GITHUB_ACTIONS ]; then
     scripts/coverage

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)