Update pylint plugin to validate `_async_has_devices` (#66512)

.core_files.yaml

@@ -102,7 +102,7 @@ components: &components
 # Testing related files that affect the whole test/linting suite
 tests: &tests
   - codecov.yaml
-  - pylint/*
+  - pylint/**
   - requirements_test_pre_commit.txt
   - requirements_test.txt
   - tests/auth/**

homeassistant/components/fjaraskupan/config_flow.py

@@ -9,6 +9,7 @@ from bleak.backends.device import BLEDevice
 from bleak.backends.scanner import AdvertisementData
 from fjaraskupan import UUID_SERVICE, device_filter
 
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers.config_entry_flow import register_discovery_flow
 
 from .const import DOMAIN
@@ -16,7 +17,7 @@ from .const import DOMAIN
 CONST_WAIT_TIME = 5.0
 
 
-async def _async_has_devices(hass) -> bool:
+async def _async_has_devices(hass: HomeAssistant) -> bool:
     """Return if there are devices that can be discovered."""
 
     event = asyncio.Event()

homeassistant/components/gree/config_flow.py

@@ -1,12 +1,13 @@
 """Config flow for Gree."""
 from greeclimate.discovery import Discovery
 
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 
 from .const import DISCOVERY_TIMEOUT, DOMAIN
 
 
-async def _async_has_devices(hass) -> bool:
+async def _async_has_devices(hass: HomeAssistant) -> bool:
     """Return if there are devices that can be discovered."""
     gree_discovery = Discovery(DISCOVERY_TIMEOUT)
     devices = await gree_discovery.scan(wait_for=DISCOVERY_TIMEOUT)

homeassistant/components/hisense_aehw4a1/config_flow.py

@@ -1,12 +1,13 @@
 """Config flow for Hisense AEH-W4A1 integration."""
 from pyaehw4a1.aehw4a1 import AehW4a1
 
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 
 from .const import DOMAIN
 
 
-async def _async_has_devices(hass):
+async def _async_has_devices(hass: HomeAssistant) -> bool:
     """Return if there are devices that can be discovered."""
     aehw4a1_ip_addresses = await AehW4a1().discovery()
     return len(aehw4a1_ip_addresses) > 0

homeassistant/components/ios/config_flow.py

@@ -3,4 +3,6 @@ from homeassistant.helpers import config_entry_flow
 
 from .const import DOMAIN
 
-config_entry_flow.register_discovery_flow(DOMAIN, "Home Assistant iOS", lambda *_: True)
+config_entry_flow.register_discovery_flow(
+    DOMAIN, "Home Assistant iOS", lambda hass: True
+)

homeassistant/components/izone/config_flow.py

@@ -6,7 +6,7 @@ import logging
 
 from async_timeout import timeout
 
-from homeassistant.core import callback
+from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import config_entry_flow
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 
@@ -16,7 +16,7 @@ from .discovery import async_start_discovery_service, async_stop_discovery_servi
 _LOGGER = logging.getLogger(__name__)
 
 
-async def _async_has_devices(hass):
+async def _async_has_devices(hass: HomeAssistant) -> bool:
 
     controller_ready = asyncio.Event()
 

homeassistant/components/kulersky/config_flow.py

@@ -3,6 +3,7 @@ import logging
 
 import pykulersky
 
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 
 from .const import DOMAIN
@@ -10,7 +11,7 @@ from .const import DOMAIN
 _LOGGER = logging.getLogger(__name__)
 
 
-async def _async_has_devices(hass) -> bool:
+async def _async_has_devices(hass: HomeAssistant) -> bool:
     """Return if there are devices that can be discovered."""
     # Check if there are any devices that can be discovered in the network.
     try:

homeassistant/components/lifx/config_flow.py

@@ -1,12 +1,13 @@
 """Config flow flow LIFX."""
 import aiolifx
 
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 
 from .const import DOMAIN
 
 
-async def _async_has_devices(hass):
+async def _async_has_devices(hass: HomeAssistant) -> bool:
     """Return if there are devices that can be discovered."""
     lifx_ip_addresses = await aiolifx.LifxScan(hass.loop).scan()
     return len(lifx_ip_addresses) > 0

homeassistant/components/zerproc/config_flow.py

@@ -3,6 +3,7 @@ import logging
 
 import pyzerproc
 
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 
 from .const import DOMAIN
@@ -10,7 +11,7 @@ from .const import DOMAIN
 _LOGGER = logging.getLogger(__name__)
 
 
-async def _async_has_devices(hass) -> bool:
+async def _async_has_devices(hass: HomeAssistant) -> bool:
     """Return if there are devices that can be discovered."""
     try:
         devices = await pyzerproc.discover()

pylint/plugins/hass_enforce_type_hints.py

@@ -44,6 +44,8 @@ _MODULE_FILTERS: dict[str, re.Pattern] = {
     "device_tracker": re.compile(r"^homeassistant\.components\.\w+\.(device_tracker)$"),
     # diagnostics matches only in the package root (diagnostics.py)
     "diagnostics": re.compile(r"^homeassistant\.components\.\w+\.(diagnostics)$"),
+    # config_flow matches only in the package root (config_flow.py)
+    "config_flow": re.compile(r"^homeassistant\.components\.\w+\.(config_flow)$")
 }
 
 _METHOD_MATCH: list[TypeHintMatch] = [
@@ -192,6 +194,14 @@ _METHOD_MATCH: list[TypeHintMatch] = [
         },
         return_type=UNDEFINED,
     ),
+    TypeHintMatch(
+        module_filter=_MODULE_FILTERS["config_flow"],
+        function_name="_async_has_devices",
+        arg_types={
+            0: "HomeAssistant",
+        },
+        return_type="bool",
+    ),
 ]