Patch aiohttp client session close (#34769)

* Patch aiohttp client session close

* Add test

* Restore close regardless of auto_cleanup

* Close session instead of detaching and do not restore

* Delint test

* Add frame helper

* Use frame helper

* Test warning log when closing session

* Clean up

* Correct docstring

* Do not change shutdown

* Fix tests

homeassistant/helpers/aiohttp_client.py

@@ -1,5 +1,6 @@
 """Helper for aiohttp webclient stuff."""
 import asyncio
+import logging
 from ssl import SSLContext
 import sys
 from typing import Any, Awaitable, Optional, Union, cast
@@ -12,10 +13,13 @@ import async_timeout
 
 from homeassistant.const import EVENT_HOMEASSISTANT_CLOSE, __version__
 from homeassistant.core import Event, callback
+from homeassistant.helpers.frame import MissingIntegrationFrame, get_integration_frame
 from homeassistant.helpers.typing import HomeAssistantType
 from homeassistant.loader import bind_hass
 from homeassistant.util import ssl as ssl_util
 
+_LOGGER = logging.getLogger(__name__)
+
 DATA_CONNECTOR = "aiohttp_connector"
 DATA_CONNECTOR_NOTVERIFY = "aiohttp_connector_notverify"
 DATA_CLIENTSESSION = "aiohttp_clientsession"
@@ -67,6 +71,35 @@ def async_create_clientsession(
         connector=connector, headers={USER_AGENT: SERVER_SOFTWARE}, **kwargs,
     )
 
+    async def patched_close() -> None:
+        """Mock close to avoid integrations closing our session."""
+        try:
+            found_frame, integration, path = get_integration_frame()
+        except MissingIntegrationFrame:
+            # Did not source from an integration? Hard error.
+            raise RuntimeError(
+                "Detected closing of the Home Assistant aiohttp session in the Home Assistant core. "
+                "Please report this issue."
+            )
+
+        index = found_frame.filename.index(path)
+        if path == "custom_components/":
+            extra = " to the custom component author"
+        else:
+            extra = ""
+
+        _LOGGER.warning(
+            "Detected integration that closes the Home Assistant aiohttp session. "
+            "Please report issue%s for %s using this method at %s, line %s: %s",
+            extra,
+            integration,
+            found_frame.filename[index:],
+            found_frame.lineno,
+            found_frame.line.strip(),
+        )
+
+    clientsession.close = patched_close  # type: ignore
+
     if auto_cleanup:
         _async_register_clientsession_shutdown(hass, clientsession)