Bump httpx to 0.17.1 (home-assistant#48388)

* Bump httpx to 0.17.1

* git add

* typing

* add test

* tweak

Author: bdraco

homeassistant/helpers/httpx_client.py

@@ -39,6 +39,17 @@ def get_async_client(
     return client
 
 
+class HassHttpXAsyncClient(httpx.AsyncClient):
+    """httpx AsyncClient that suppresses context management."""
+
+    async def __aenter__(self: HassHttpXAsyncClient) -> HassHttpXAsyncClient:
+        """Prevent an integration from reopen of the client via context manager."""
+        return self
+
+    async def __aexit__(self, *args: Any) -> None:  # pylint: disable=signature-differs
+        """Prevent an integration from close of the client via context manager."""
+
+
 @callback
 def create_async_httpx_client(
     hass: HomeAssistantType,
@@ -53,7 +64,7 @@ def create_async_httpx_client(
 
     This method must be run in the event loop.
     """
-    client = httpx.AsyncClient(
+    client = HassHttpXAsyncClient(
         verify=verify_ssl,
         headers={USER_AGENT: SERVER_SOFTWARE},
         **kwargs,

homeassistant/package_constraints.txt

@@ -16,7 +16,7 @@ distro==1.5.0
 emoji==1.2.0
 hass-nabucasa==0.42.0
 home-assistant-frontend==20210324.0
-httpx==0.16.1
+httpx==0.17.1
 jinja2>=2.11.3
 netdisco==2.8.2
 paho-mqtt==1.5.1

requirements.txt

@@ -9,7 +9,7 @@ awesomeversion==21.2.3
 bcrypt==3.1.7
 certifi>=2020.12.5
 ciso8601==2.1.3
-httpx==0.16.1
+httpx==0.17.1
 jinja2>=2.11.3
 PyJWT==1.7.1
 cryptography==3.3.2

setup.py

@@ -40,7 +40,7 @@
     "bcrypt==3.1.7",
     "certifi>=2020.12.5",
     "ciso8601==2.1.3",
-    "httpx==0.16.1",
+    "httpx==0.17.1",
     "jinja2>=2.11.3",
     "PyJWT==1.7.1",
     # PyJWT has loose dependency. We want the latest one.

tests/helpers/test_httpx_client.py

@@ -80,6 +80,19 @@ async def test_get_async_client_patched_close(hass):
         assert mock_aclose.call_count == 0
 
 
+async def test_get_async_client_context_manager(hass):
+    """Test using the async client with a context manager does not close the session."""
+
+    with patch("httpx.AsyncClient.aclose") as mock_aclose:
+        httpx_session = client.get_async_client(hass)
+        assert isinstance(hass.data[client.DATA_ASYNC_CLIENT], httpx.AsyncClient)
+
+        async with httpx_session:
+            pass
+
+        assert mock_aclose.call_count == 0
+
+
 async def test_warning_close_session_integration(hass, caplog):
     """Test log warning message when closing the session from integration context."""
     with patch(