Make type checking pass for deCONZ init, gateway and services (#66054)

* Type and enable type checking for init, config_flow, diagnostics, gateway and services

* Fix import

* Fix review comment

.strict-typing

@@ -58,6 +58,11 @@ homeassistant.components.canary.*
 homeassistant.components.cover.*
 homeassistant.components.crownstone.*
 homeassistant.components.cpuspeed.*
+homeassistant.components.deconz
+homeassistant.components.deconz.config_flow
+homeassistant.components.deconz.diagnostics
+homeassistant.components.deconz.gateway
+homeassistant.components.deconz.services
 homeassistant.components.device_automation.*
 homeassistant.components.device_tracker.*
 homeassistant.components.devolo_home_control.*

homeassistant/components/deconz/__init__.py

@@ -12,11 +12,14 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_STOP,
 )
 from homeassistant.core import HomeAssistant, callback
+from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
 import homeassistant.helpers.entity_registry as er
 
 from .config_flow import get_master_gateway
-from .const import CONF_GROUP_ID_BASE, CONF_MASTER_GATEWAY, DOMAIN
+from .const import CONF_GROUP_ID_BASE, CONF_MASTER_GATEWAY, DOMAIN, PLATFORMS
-from .gateway import DeconzGateway
+from .deconz_event import async_setup_events, async_unload_events
+from .errors import AuthenticationRequired, CannotConnect
+from .gateway import DeconzGateway, get_deconz_session
 from .services import async_setup_services, async_unload_services
 
 
@@ -33,16 +36,27 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
     if not config_entry.options:
         await async_update_master_gateway(hass, config_entry)
 
-    gateway = DeconzGateway(hass, config_entry)
+    try:
-    if not await gateway.async_setup():
+        api = await get_deconz_session(hass, config_entry.data)
-        return False
+    except CannotConnect as err:
+        raise ConfigEntryNotReady from err
+    except AuthenticationRequired as err:
+        raise ConfigEntryAuthFailed from err
 
-    if not hass.data[DOMAIN]:
+    gateway = hass.data[DOMAIN][config_entry.entry_id] = DeconzGateway(
+        hass, config_entry, api
+    )
+
+    config_entry.add_update_listener(gateway.async_config_entry_updated)
+    hass.config_entries.async_setup_platforms(config_entry, PLATFORMS)
+
+    await async_setup_events(gateway)
+    await gateway.async_update_device_registry()
+
+    if len(hass.data[DOMAIN]) == 1:
         async_setup_services(hass)
 
-    hass.data[DOMAIN][config_entry.entry_id] = gateway
+    api.start()
-
-    await gateway.async_update_device_registry()
 
     config_entry.async_on_unload(
         hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, gateway.shutdown)
@@ -53,7 +67,8 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> b
 
 async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
     """Unload deCONZ config entry."""
-    gateway = hass.data[DOMAIN].pop(config_entry.entry_id)
+    gateway: DeconzGateway = hass.data[DOMAIN].pop(config_entry.entry_id)
+    async_unload_events(gateway)
 
     if not hass.data[DOMAIN]:
         async_unload_services(hass)
@@ -89,9 +104,10 @@ async def async_update_group_unique_id(
     hass: HomeAssistant, config_entry: ConfigEntry
 ) -> None:
     """Update unique ID entities based on deCONZ groups."""
-    if not isinstance(old_unique_id := config_entry.data.get(CONF_GROUP_ID_BASE), str):
+    if not (group_id_base := config_entry.data.get(CONF_GROUP_ID_BASE)):
         return
 
+    old_unique_id = cast(str, group_id_base)
     new_unique_id = cast(str, config_entry.unique_id)
 
     @callback

homeassistant/components/deconz/gateway.py

@@ -1,13 +1,21 @@
 """Representation of a deCONZ gateway."""
+
+from __future__ import annotations
+
 import asyncio
+from types import MappingProxyType
+from typing import Any, cast
 
 import async_timeout
 from pydeconz import DeconzSession, errors, group, light, sensor
+from pydeconz.alarm_system import AlarmSystem as DeconzAlarmSystem
+from pydeconz.group import Group as DeconzGroup
+from pydeconz.light import DeconzLight
+from pydeconz.sensor import DeconzSensor
 
 from homeassistant.config_entries import SOURCE_HASSIO, ConfigEntry
 from homeassistant.const import CONF_API_KEY, CONF_HOST, CONF_PORT
-from homeassistant.core import HomeAssistant, callback
+from homeassistant.core import Event, HomeAssistant, callback
-from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
 from homeassistant.helpers import (
     aiohttp_client,
     device_registry as dr,
@@ -29,25 +37,23 @@ from .const import (
     LOGGER,
     PLATFORMS,
 )
-from .deconz_event import async_setup_events, async_unload_events
+from .deconz_event import DeconzAlarmEvent, DeconzEvent
 from .errors import AuthenticationRequired, CannotConnect
 
 
-@callback
-def get_gateway_from_config_entry(hass, config_entry):
-    """Return gateway with a matching config entry ID."""
-    return hass.data[DECONZ_DOMAIN][config_entry.entry_id]
-
-
 class DeconzGateway:
     """Manages a single deCONZ gateway."""
 
-    def __init__(self, hass, config_entry) -> None:
+    def __init__(
+        self, hass: HomeAssistant, config_entry: ConfigEntry, api: DeconzSession
+    ) -> None:
         """Initialize the system."""
         self.hass = hass
         self.config_entry = config_entry
+        self.api = api
 
-        self.api = None
+        api.add_device_callback = self.async_add_device_callback
+        api.connection_status_callback = self.async_connection_status_callback
 
         self.available = True
         self.ignore_state_updates = False
@@ -66,24 +72,24 @@ class DeconzGateway:
             sensor.RESOURCE_TYPE: self.signal_new_sensor,
         }
 
-        self.deconz_ids = {}
+        self.deconz_ids: dict[str, str] = {}
-        self.entities = {}
+        self.entities: dict[str, set[str]] = {}
-        self.events = []
+        self.events: list[DeconzAlarmEvent | DeconzEvent] = []
 
     @property
     def bridgeid(self) -> str:
         """Return the unique identifier of the gateway."""
-        return self.config_entry.unique_id
+        return cast(str, self.config_entry.unique_id)
 
     @property
     def host(self) -> str:
         """Return the host of the gateway."""
-        return self.config_entry.data[CONF_HOST]
+        return cast(str, self.config_entry.data[CONF_HOST])
 
     @property
     def master(self) -> bool:
         """Gateway which is used with deCONZ services without defining id."""
-        return self.config_entry.options[CONF_MASTER_GATEWAY]
+        return cast(bool, self.config_entry.options[CONF_MASTER_GATEWAY])
 
     # Options
 
@@ -111,7 +117,7 @@ class DeconzGateway:
     # Callbacks
 
     @callback
-    def async_connection_status_callback(self, available) -> None:
+    def async_connection_status_callback(self, available: bool) -> None:
         """Handle signals of gateway connection status."""
         self.available = available
         self.ignore_state_updates = False
@@ -119,7 +125,15 @@ class DeconzGateway:
 
     @callback
     def async_add_device_callback(
-        self, resource_type, device=None, force: bool = False
+        self,
+        resource_type: str,
+        device: DeconzAlarmSystem
+        | DeconzGroup
+        | DeconzLight
+        | DeconzSensor
+        | list[DeconzAlarmSystem | DeconzGroup | DeconzLight | DeconzSensor]
+        | None = None,
+        force: bool = False,
     ) -> None:
         """Handle event of new device creation in deCONZ."""
         if (
@@ -166,32 +180,6 @@ class DeconzGateway:
             via_device=(CONNECTION_NETWORK_MAC, self.api.config.mac),
         )
 
-    async def async_setup(self) -> bool:
-        """Set up a deCONZ gateway."""
-        try:
-            self.api = await get_gateway(
-                self.hass,
-                self.config_entry.data,
-                self.async_add_device_callback,
-                self.async_connection_status_callback,
-            )
-
-        except CannotConnect as err:
-            raise ConfigEntryNotReady from err
-
-        except AuthenticationRequired as err:
-            raise ConfigEntryAuthFailed from err
-
-        self.hass.config_entries.async_setup_platforms(self.config_entry, PLATFORMS)
-
-        await async_setup_events(self)
-
-        self.api.start()
-
-        self.config_entry.add_update_listener(self.async_config_entry_updated)
-
-        return True
-
     @staticmethod
     async def async_config_entry_updated(
         hass: HomeAssistant, entry: ConfigEntry
@@ -211,7 +199,7 @@ class DeconzGateway:
 
         await gateway.options_updated()
 
-    async def options_updated(self):
+    async def options_updated(self) -> None:
         """Manage entities affected by config entry options."""
         deconz_ids = []
 
@@ -242,14 +230,14 @@ class DeconzGateway:
                 entity_registry.async_remove(entity_id)
 
     @callback
-    def shutdown(self, event) -> None:
+    def shutdown(self, event: Event) -> None:
         """Wrap the call to deconz.close.
 
         Used as an argument to EventBus.async_listen_once.
         """
         self.api.close()
 
-    async def async_reset(self):
+    async def async_reset(self) -> bool:
         """Reset this gateway to default state."""
         self.api.async_connection_status_callback = None
         self.api.close()
@@ -258,30 +246,35 @@ class DeconzGateway:
             self.config_entry, PLATFORMS
         )
 
-        async_unload_events(self)
-
         self.deconz_ids = {}
         return True
 
 
-async def get_gateway(
+@callback
-    hass, config, async_add_device_callback, async_connection_status_callback
+def get_gateway_from_config_entry(
+    hass: HomeAssistant, config_entry: ConfigEntry
+) -> DeconzGateway:
+    """Return gateway with a matching config entry ID."""
+    return cast(DeconzGateway, hass.data[DECONZ_DOMAIN][config_entry.entry_id])
+
+
+async def get_deconz_session(
+    hass: HomeAssistant,
+    config: MappingProxyType[str, Any],
 ) -> DeconzSession:
     """Create a gateway object and verify configuration."""
     session = aiohttp_client.async_get_clientsession(hass)
 
-    deconz = DeconzSession(
+    deconz_session = DeconzSession(
         session,
         config[CONF_HOST],
         config[CONF_PORT],
         config[CONF_API_KEY],
-        add_device=async_add_device_callback,
-        connection_status=async_connection_status_callback,
     )
     try:
         async with async_timeout.timeout(10):
-            await deconz.refresh_state()
+            await deconz_session.refresh_state()
-        return deconz
+        return deconz_session
 
     except errors.Unauthorized as err:
         LOGGER.warning("Invalid key for deCONZ at %s", config[CONF_HOST])

homeassistant/components/deconz/services.py

@@ -1,7 +1,5 @@
 """deCONZ services."""
 
-from types import MappingProxyType
-
 from pydeconz.utils import normalize_bridge_id
 import voluptuous as vol
 
@@ -16,6 +14,7 @@ from homeassistant.helpers.entity_registry import (
     async_entries_for_config_entry,
     async_entries_for_device,
 )
+from homeassistant.util.read_only_dict import ReadOnlyDict
 
 from .config_flow import get_master_gateway
 from .const import CONF_BRIDGE_ID, DOMAIN, LOGGER
@@ -111,9 +110,7 @@ def async_unload_services(hass: HomeAssistant) -> None:
         hass.services.async_remove(DOMAIN, service)
 
 
-async def async_configure_service(
+async def async_configure_service(gateway: DeconzGateway, data: ReadOnlyDict) -> None:
-    gateway: DeconzGateway, data: MappingProxyType
-) -> None:
     """Set attribute of device in deCONZ.
 
     Entity is used to resolve to a device path (e.g. '/lights/1').

mypy.ini

@@ -447,6 +447,61 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.deconz]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.deconz.config_flow]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.deconz.diagnostics]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.deconz.gateway]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
+[mypy-homeassistant.components.deconz.services]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.device_automation.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true
@@ -2209,9 +2264,6 @@ ignore_errors = true
 [mypy-homeassistant.components.conversation.default_agent]
 ignore_errors = true
 
-[mypy-homeassistant.components.deconz]
-ignore_errors = true
-
 [mypy-homeassistant.components.deconz.alarm_control_panel]
 ignore_errors = true
 
@@ -2227,9 +2279,6 @@ ignore_errors = true
 [mypy-homeassistant.components.deconz.fan]
 ignore_errors = true
 
-[mypy-homeassistant.components.deconz.gateway]
-ignore_errors = true
-
 [mypy-homeassistant.components.deconz.light]
 ignore_errors = true
 
@@ -2245,9 +2294,6 @@ ignore_errors = true
 [mypy-homeassistant.components.deconz.sensor]
 ignore_errors = true
 
-[mypy-homeassistant.components.deconz.services]
-ignore_errors = true
-
 [mypy-homeassistant.components.deconz.siren]
 ignore_errors = true
 

script/hassfest/mypy_config.py

@@ -23,19 +23,16 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.cloud.http_api",
     "homeassistant.components.conversation",
     "homeassistant.components.conversation.default_agent",
-    "homeassistant.components.deconz",
     "homeassistant.components.deconz.alarm_control_panel",
     "homeassistant.components.deconz.binary_sensor",
     "homeassistant.components.deconz.climate",
     "homeassistant.components.deconz.cover",
     "homeassistant.components.deconz.fan",
-    "homeassistant.components.deconz.gateway",
     "homeassistant.components.deconz.light",
     "homeassistant.components.deconz.lock",
     "homeassistant.components.deconz.logbook",
     "homeassistant.components.deconz.number",
     "homeassistant.components.deconz.sensor",
-    "homeassistant.components.deconz.services",
     "homeassistant.components.deconz.siren",
     "homeassistant.components.deconz.switch",
     "homeassistant.components.denonavr.config_flow",

tests/components/deconz/test_gateway.py

@@ -1,7 +1,8 @@
 """Test deCONZ gateway."""
 
+import asyncio
 from copy import deepcopy
-from unittest.mock import Mock, patch
+from unittest.mock import patch
 
 import pydeconz
 from pydeconz.websocket import STATE_RETRYING, STATE_RUNNING
@@ -19,7 +20,7 @@ from homeassistant.components.deconz.config_flow import DECONZ_MANUFACTURERURL
 from homeassistant.components.deconz.const import DOMAIN as DECONZ_DOMAIN
 from homeassistant.components.deconz.errors import AuthenticationRequired, CannotConnect
 from homeassistant.components.deconz.gateway import (
-    get_gateway,
+    get_deconz_session,
     get_gateway_from_config_entry,
 )
 from homeassistant.components.fan import DOMAIN as FAN_DOMAIN
@@ -202,25 +203,6 @@ async def test_gateway_device_configuration_url_when_addon(hass, aioclient_mock)
     )
 
 
-async def test_gateway_retry(hass):
-    """Retry setup."""
-    with patch(
-        "homeassistant.components.deconz.gateway.get_gateway",
-        side_effect=CannotConnect,
-    ):
-        await setup_deconz_integration(hass)
-    assert not hass.data[DECONZ_DOMAIN]
-
-
-async def test_gateway_setup_fails(hass):
-    """Retry setup."""
-    with patch(
-        "homeassistant.components.deconz.gateway.get_gateway", side_effect=Exception
-    ):
-        await setup_deconz_integration(hass)
-    assert not hass.data[DECONZ_DOMAIN]
-
-
 async def test_connection_status_signalling(
     hass, aioclient_mock, mock_deconz_websocket
 ):
@@ -282,18 +264,6 @@ async def test_update_address(hass, aioclient_mock):
     assert len(mock_setup_entry.mock_calls) == 1
 
 
-async def test_gateway_trigger_reauth_flow(hass):
-    """Failed authentication trigger a reauthentication flow."""
-    with patch(
-        "homeassistant.components.deconz.gateway.get_gateway",
-        side_effect=AuthenticationRequired,
-    ), patch.object(hass.config_entries.flow, "async_init") as mock_flow_init:
-        await setup_deconz_integration(hass)
-        mock_flow_init.assert_called_once()
-
-    assert hass.data[DECONZ_DOMAIN] == {}
-
-
 async def test_reset_after_successful_setup(hass, aioclient_mock):
     """Make sure that connection status triggers a dispatcher send."""
     config_entry = await setup_deconz_integration(hass, aioclient_mock)
@@ -305,25 +275,24 @@ async def test_reset_after_successful_setup(hass, aioclient_mock):
     assert result is True
 
 
-async def test_get_gateway(hass):
+async def test_get_deconz_session(hass):
     """Successful call."""
     with patch("pydeconz.DeconzSession.refresh_state", return_value=True):
-        assert await get_gateway(hass, ENTRY_CONFIG, Mock(), Mock())
+        assert await get_deconz_session(hass, ENTRY_CONFIG)
 
 
-async def test_get_gateway_fails_unauthorized(hass):
+@pytest.mark.parametrize(
+    "side_effect, raised_exception",
+    [
+        (asyncio.TimeoutError, CannotConnect),
+        (pydeconz.RequestError, CannotConnect),
+        (pydeconz.Unauthorized, AuthenticationRequired),
+    ],
+)
+async def test_get_deconz_session_fails(hass, side_effect, raised_exception):
     """Failed call."""
     with patch(
         "pydeconz.DeconzSession.refresh_state",
-        side_effect=pydeconz.errors.Unauthorized,
+        side_effect=side_effect,
-    ), pytest.raises(AuthenticationRequired):
+    ), pytest.raises(raised_exception):
-        assert await get_gateway(hass, ENTRY_CONFIG, Mock(), Mock()) is False
+        assert await get_deconz_session(hass, ENTRY_CONFIG)
-
-
-async def test_get_gateway_fails_cannot_connect(hass):
-    """Failed call."""
-    with patch(
-        "pydeconz.DeconzSession.refresh_state",
-        side_effect=pydeconz.errors.RequestError,
-    ), pytest.raises(CannotConnect):
-        assert await get_gateway(hass, ENTRY_CONFIG, Mock(), Mock()) is False

tests/components/deconz/test_init.py

@@ -1,6 +1,5 @@
 """Test deCONZ component setup process."""
 
-import asyncio
 from unittest.mock import patch
 
 from homeassistant.components.deconz import (
@@ -13,6 +12,7 @@ from homeassistant.components.deconz.const import (
     CONF_GROUP_ID_BASE,
     DOMAIN as DECONZ_DOMAIN,
 )
+from homeassistant.components.deconz.errors import AuthenticationRequired, CannotConnect
 from homeassistant.components.light import DOMAIN as LIGHT_DOMAIN
 from homeassistant.const import CONF_API_KEY, CONF_HOST, CONF_PORT
 from homeassistant.helpers import entity_registry as er
@@ -42,22 +42,6 @@ async def setup_entry(hass, entry):
         assert await async_setup_entry(hass, entry) is True
 
 
-async def test_setup_entry_fails(hass):
-    """Test setup entry fails if deCONZ is not available."""
-    with patch("pydeconz.DeconzSession.refresh_state", side_effect=Exception):
-        await setup_deconz_integration(hass)
-    assert not hass.data[DECONZ_DOMAIN]
-
-
-async def test_setup_entry_no_available_bridge(hass):
-    """Test setup entry fails if deCONZ is not available."""
-    with patch(
-        "pydeconz.DeconzSession.refresh_state", side_effect=asyncio.TimeoutError
-    ):
-        await setup_deconz_integration(hass)
-    assert not hass.data[DECONZ_DOMAIN]
-
-
 async def test_setup_entry_successful(hass, aioclient_mock):
     """Test setup entry is successful."""
     config_entry = await setup_deconz_integration(hass, aioclient_mock)
@@ -67,6 +51,29 @@ async def test_setup_entry_successful(hass, aioclient_mock):
     assert hass.data[DECONZ_DOMAIN][config_entry.entry_id].master
 
 
+async def test_setup_entry_fails_config_entry_not_ready(hass):
+    """Failed authentication trigger a reauthentication flow."""
+    with patch(
+        "homeassistant.components.deconz.get_deconz_session",
+        side_effect=CannotConnect,
+    ):
+        await setup_deconz_integration(hass)
+
+    assert hass.data[DECONZ_DOMAIN] == {}
+
+
+async def test_setup_entry_fails_trigger_reauth_flow(hass):
+    """Failed authentication trigger a reauthentication flow."""
+    with patch(
+        "homeassistant.components.deconz.get_deconz_session",
+        side_effect=AuthenticationRequired,
+    ), patch.object(hass.config_entries.flow, "async_init") as mock_flow_init:
+        await setup_deconz_integration(hass)
+        mock_flow_init.assert_called_once()
+
+    assert hass.data[DECONZ_DOMAIN] == {}
+
+
 async def test_setup_entry_multiple_gateways(hass, aioclient_mock):
     """Test setup entry is successful with multiple gateways."""
     config_entry = await setup_deconz_integration(hass, aioclient_mock)