Improve gdbus error handling (#1252)

* Improve gdbus error handling

* Fix logging type

* Detect no dbus

* Fix issue with complex

* Update hassio/dbus/__init__.py

Co-Authored-By: Franck Nijhof <frenck@frenck.nl>

* Update hassio/dbus/hostname.py

Co-Authored-By: Franck Nijhof <frenck@frenck.nl>

* Update hassio/dbus/rauc.py

Co-Authored-By: Franck Nijhof <frenck@frenck.nl>

* Update hassio/dbus/systemd.py

Co-Authored-By: Franck Nijhof <frenck@frenck.nl>

* Fix black

hassio/__main__.py

@@ -6,7 +6,7 @@ import sys
 
 from hassio import bootstrap
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 def initialize_event_loop():

hassio/addons/__init__.py

@@ -19,7 +19,7 @@ from ..store.addon import AddonStore
 from .addon import Addon
 from .data import AddonsData
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 AnyAddon = Union[Addon, AddonStore]
 

hassio/addons/addon.py

@@ -55,7 +55,7 @@ from .model import AddonModel, Data
 from .utils import remove_data
 from .validate import SCHEMA_ADDON_SNAPSHOT, validate_options
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 RE_WEBUI = re.compile(
     r"^(?:(?P<s_prefix>https?)|\[PROTO:(?P<t_proto>\w+)\])"

hassio/addons/data.py

@@ -17,7 +17,7 @@ from ..store.addon import AddonStore
 from .addon import Addon
 from .validate import SCHEMA_ADDONS_FILE
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 Config = Dict[str, Any]
 

hassio/addons/utils.py

@@ -22,7 +22,7 @@ from ..const import (
 if TYPE_CHECKING:
     from .model import AddonModel
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 def rating_security(addon: AddonModel) -> int:

hassio/addons/validate.py

@@ -95,7 +95,7 @@ from ..validate import (
     UUID_MATCH,
 )
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 RE_VOLUME = re.compile(r"^(config|ssl|addons|backup|share)(?::(rw|ro))?$")

hassio/api/__init__.py

@@ -22,7 +22,7 @@ from .services import APIServices
 from .snapshots import APISnapshots
 from .supervisor import APISupervisor
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class RestAPI(CoreSysAttributes):

hassio/api/addons.py

@@ -94,7 +94,7 @@ from ..exceptions import APIError
 from ..validate import ALSA_DEVICE, DOCKER_PORTS
 from .utils import api_process, api_process_raw, api_validate
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 SCHEMA_VERSION = vol.Schema({vol.Optional(ATTR_VERSION): vol.Coerce(str)})
 

hassio/api/auth.py

@@ -10,7 +10,7 @@ from ..const import REQUEST_FROM, CONTENT_TYPE_JSON, CONTENT_TYPE_URL
 from ..coresys import CoreSysAttributes
 from ..exceptions import APIForbidden
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class APIAuth(CoreSysAttributes):

hassio/api/dns.py

@@ -26,7 +26,7 @@ from ..exceptions import APIError
 from ..validate import DNS_SERVER_LIST
 from .utils import api_process, api_process_raw, api_validate
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 # pylint: disable=no-value-for-parameter
 SCHEMA_OPTIONS = vol.Schema({vol.Optional(ATTR_SERVERS): DNS_SERVER_LIST})

hassio/api/hardware.py

@@ -12,7 +12,7 @@ from ..const import (
 )
 from ..coresys import CoreSysAttributes
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class APIHardware(CoreSysAttributes):

hassio/api/hassos.py

@@ -16,7 +16,7 @@ from ..const import (
 from ..coresys import CoreSysAttributes
 from .utils import api_process, api_validate
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 SCHEMA_VERSION = vol.Schema({vol.Optional(ATTR_VERSION): vol.Coerce(str)})
 

hassio/api/homeassistant.py

@@ -36,7 +36,7 @@ from ..exceptions import APIError
 from ..validate import DOCKER_IMAGE, NETWORK_PORT
 from .utils import api_process, api_process_raw, api_validate
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 # pylint: disable=no-value-for-parameter
 SCHEMA_OPTIONS = vol.Schema(

hassio/api/host.py

@@ -20,7 +20,7 @@ from ..const import (
 )
 from ..coresys import CoreSysAttributes
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 SERVICE = "service"
 

hassio/api/info.py

@@ -19,7 +19,7 @@ from ..const import (
 from ..coresys import CoreSysAttributes
 from .utils import api_process
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class APIInfo(CoreSysAttributes):

hassio/api/ingress.py

@@ -28,7 +28,7 @@ from ..const import (
 from ..coresys import CoreSysAttributes
 from .utils import api_process
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class APIIngress(CoreSysAttributes):

hassio/api/proxy.py

@@ -14,7 +14,7 @@ from ..const import HEADER_HA_ACCESS
 from ..coresys import CoreSysAttributes
 from ..exceptions import HomeAssistantAuthError, HomeAssistantAPIError, APIError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class APIProxy(CoreSysAttributes):

hassio/api/security.py

@@ -16,7 +16,7 @@ from ..const import (
 )
 from ..coresys import CoreSysAttributes
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 # fmt: off
 

hassio/api/snapshots.py

@@ -28,7 +28,7 @@ from ..const import (
 from ..coresys import CoreSysAttributes
 from ..exceptions import APIError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 # pylint: disable=no-value-for-parameter

hassio/api/supervisor.py

@@ -44,7 +44,7 @@ from ..utils.validate import validate_timezone
 from ..validate import CHANNELS, LOG_LEVEL, REPOSITORIES, WAIT_BOOT
 from .utils import api_process, api_process_raw, api_validate
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 # pylint: disable=no-value-for-parameter
 SCHEMA_OPTIONS = vol.Schema(

hassio/api/utils.py

@@ -16,7 +16,7 @@ from ..const import (
 )
 from ..exceptions import HassioError, APIError, APIForbidden
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 def json_loads(data):

hassio/arch.py

@@ -8,7 +8,7 @@ from .coresys import CoreSys, CoreSysAttributes
 from .exceptions import HassioArchNotFound, JsonFileError
 from .utils.json import read_json_file
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 ARCH_JSON: Path = Path(__file__).parent.joinpath("data/arch.json")
 

hassio/auth.py

@@ -8,7 +8,7 @@ from .utils.json import JsonConfig
 from .validate import SCHEMA_AUTH_CONFIG
 from .exceptions import AuthError, HomeAssistantAPIError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class Auth(JsonConfig, CoreSysAttributes):

hassio/bootstrap.py

@@ -29,7 +29,7 @@ from .tasks import Tasks
 from .updater import Updater
 from .utils.dt import fetch_timezone
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 ENV_SHARE = "SUPERVISOR_SHARE"
 ENV_NAME = "SUPERVISOR_NAME"

hassio/config.py

@@ -19,7 +19,7 @@ from .utils.dt import parse_datetime
 from .utils.json import JsonConfig
 from .validate import SCHEMA_HASSIO_CONFIG
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 HOMEASSISTANT_CONFIG = PurePath("homeassistant")
 

hassio/core.py

@@ -14,7 +14,7 @@ from .const import (
 )
 from .exceptions import HassioError, HomeAssistantError, SupervisorUpdateError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class HassIO(CoreSysAttributes):

hassio/dbus/__init__.py

@@ -1,39 +1,49 @@
 """D-Bus interface objects."""
+import logging
 
 from .systemd import Systemd
 from .hostname import Hostname
 from .rauc import Rauc
-from ..coresys import CoreSysAttributes
+from ..coresys import CoreSysAttributes, CoreSys
+from ..exceptions import DBusNotConnectedError
+
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class DBusManager(CoreSysAttributes):
     """A DBus Interface handler."""
 
-    def __init__(self, coresys):
+    def __init__(self, coresys: CoreSys) -> None:
         """Initialize D-Bus interface."""
-        self.coresys = coresys
+        self.coresys: CoreSys = coresys
 
-        self._systemd = Systemd()
-        self._hostname = Hostname()
-        self._rauc = Rauc()
+        self._systemd: Systemd = Systemd()
+        self._hostname: Hostname = Hostname()
+        self._rauc: Rauc = Rauc()
 
     @property
-    def systemd(self):
+    def systemd(self) -> Systemd:
         """Return the systemd interface."""
         return self._systemd
 
     @property
-    def hostname(self):
+    def hostname(self) -> Hostname:
         """Return the hostname interface."""
         return self._hostname
 
     @property
-    def rauc(self):
+    def rauc(self) -> Rauc:
         """Return the rauc interface."""
         return self._rauc
 
-    async def load(self):
+    async def load(self) -> None:
         """Connect interfaces to D-Bus."""
+
+        try:
             await self.systemd.connect()
             await self.hostname.connect()
             await self.rauc.connect()
+        except DBusNotConnectedError:
+            _LOGGER.error(
+                "No DBus support from Host. Disabled any kind of host control!"
+            )

hassio/dbus/hostname.py

@@ -3,10 +3,10 @@ import logging
 
 from .interface import DBusInterface
 from .utils import dbus_connected
-from ..exceptions import DBusError
+from ..exceptions import DBusError, DBusInterfaceError
 from ..utils.gdbus import DBus
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 DBUS_NAME = "org.freedesktop.hostname1"
 DBUS_OBJECT = "/org/freedesktop/hostname1"
@@ -21,6 +21,10 @@ class Hostname(DBusInterface):
             self.dbus = await DBus.connect(DBUS_NAME, DBUS_OBJECT)
         except DBusError:
             _LOGGER.warning("Can't connect to hostname")
+        except DBusInterfaceError:
+            _LOGGER.warning(
+                "No hostname support on the host. Hostname functions have been disabled."
+            )
 
     @dbus_connected
     def set_static_hostname(self, hostname):

hassio/dbus/rauc.py

@@ -3,10 +3,10 @@ import logging
 
 from .interface import DBusInterface
 from .utils import dbus_connected
-from ..exceptions import DBusError
+from ..exceptions import DBusError, DBusInterfaceError
 from ..utils.gdbus import DBus
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 DBUS_NAME = "de.pengutronix.rauc"
 DBUS_OBJECT = "/"
@@ -21,6 +21,8 @@ class Rauc(DBusInterface):
             self.dbus = await DBus.connect(DBUS_NAME, DBUS_OBJECT)
         except DBusError:
             _LOGGER.warning("Can't connect to rauc")
+        except DBusInterfaceError:
+            _LOGGER.warning("Host has no rauc support. OTA updates have been disabled.")
 
     @dbus_connected
     def install(self, raucb_file):

hassio/dbus/systemd.py

@@ -3,10 +3,10 @@ import logging
 
 from .interface import DBusInterface
 from .utils import dbus_connected
-from ..exceptions import DBusError
+from ..exceptions import DBusError, DBusInterfaceError
 from ..utils.gdbus import DBus
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 DBUS_NAME = "org.freedesktop.systemd1"
 DBUS_OBJECT = "/org/freedesktop/systemd1"
@@ -21,6 +21,10 @@ class Systemd(DBusInterface):
             self.dbus = await DBus.connect(DBUS_NAME, DBUS_OBJECT)
         except DBusError:
             _LOGGER.warning("Can't connect to systemd")
+        except DBusInterfaceError:
+            _LOGGER.warning(
+                "No systemd support on the host. Host control has been disabled."
+            )
 
     @dbus_connected
     def reboot(self):

hassio/discovery/__init__.py

@@ -19,7 +19,7 @@ from .validate import SCHEMA_DISCOVERY_CONFIG, valid_discovery_config
 if TYPE_CHECKING:
     from ..addons.addon import Addon
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 CMD_NEW = "post"
 CMD_DEL = "delete"

hassio/dns.py

@@ -18,7 +18,7 @@ from .misc.forwarder import DNSForward
 from .utils.json import JsonConfig
 from .validate import SCHEMA_DNS_CONFIG
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 COREDNS_TMPL: Path = Path(__file__).parents[0].joinpath("data/coredns.tmpl")
 RESOLV_CONF: Path = Path("/etc/resolv.conf")

hassio/docker/__init__.py

@@ -11,7 +11,7 @@ from ..const import SOCKET_DOCKER, DNS_SUFFIX
 from ..exceptions import DockerAPIError
 from .network import DockerNetwork
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 @attr.s(frozen=True)

hassio/docker/addon.py

@@ -32,7 +32,7 @@ if TYPE_CHECKING:
     from ..addons.addon import Addon
 
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 AUDIO_DEVICE = "/dev/snd:/dev/snd:rwm"
 NO_ADDDRESS = ip_address("0.0.0.0")

hassio/docker/dns.py

@@ -7,7 +7,7 @@ from ..coresys import CoreSysAttributes
 from ..exceptions import DockerAPIError
 from .interface import DockerInterface
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 DNS_DOCKER_NAME: str = "hassio_dns"
 

hassio/docker/hassos_cli.py

@@ -6,7 +6,7 @@ import docker
 from ..coresys import CoreSysAttributes
 from .interface import DockerInterface
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class DockerHassOSCli(DockerInterface, CoreSysAttributes):

hassio/docker/homeassistant.py

@@ -10,7 +10,7 @@ from ..const import ENV_TIME, ENV_TOKEN, LABEL_MACHINE
 from ..exceptions import DockerAPIError
 from .interface import CommandReturn, DockerInterface
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 HASS_DOCKER_NAME = "homeassistant"
 

hassio/docker/interface.py

@@ -13,7 +13,7 @@ from ..exceptions import DockerAPIError
 from ..utils import process_lock
 from .stats import DockerStats
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class DockerInterface(CoreSysAttributes):

hassio/docker/network.py

@@ -8,7 +8,7 @@ import docker
 from ..const import DOCKER_NETWORK, DOCKER_NETWORK_MASK, DOCKER_NETWORK_RANGE
 from ..exceptions import DockerAPIError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class DockerNetwork:

hassio/docker/supervisor.py

@@ -10,7 +10,7 @@ from ..coresys import CoreSysAttributes
 from ..exceptions import DockerAPIError
 from .interface import DockerInterface
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class DockerSupervisor(DockerInterface, CoreSysAttributes):

hassio/exceptions.py

@@ -149,6 +149,10 @@ class DBusNotConnectedError(HostNotSupportedError):
     """DBus is not connected and call a method."""
 
 
+class DBusInterfaceError(HassioNotSupportedError):
+    """DBus interface not connected."""
+
+
 class DBusFatalError(DBusError):
     """DBus call going wrong."""
 

hassio/hassos.py

@@ -18,7 +18,7 @@ from .exceptions import (
     DockerAPIError,
 )
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class HassOS(CoreSysAttributes):

hassio/homeassistant.py

@@ -47,7 +47,7 @@ from .utils import check_port, convert_to_ascii, process_lock
 from .utils.json import JsonConfig
 from .validate import SCHEMA_HASS_CONFIG
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 RE_YAML_ERROR = re.compile(r"homeassistant\.util\.yaml")
 

hassio/host/__init__.py

@@ -17,7 +17,7 @@ from ..const import (
 from ..coresys import CoreSysAttributes
 from ..exceptions import HassioError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class HostManager(CoreSysAttributes):

hassio/host/alsa.py

@@ -9,7 +9,7 @@ import attr
 from ..const import ATTR_INPUT, ATTR_OUTPUT, ATTR_DEVICES, ATTR_NAME, CHAN_ID, CHAN_TYPE
 from ..coresys import CoreSysAttributes
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 # pylint: disable=invalid-name
 DefaultConfig = attr.make_class("DefaultConfig", ["input", "output"])

hassio/host/apparmor.py

@@ -7,7 +7,7 @@ from ..coresys import CoreSysAttributes
 from ..exceptions import DBusError, HostAppArmorError
 from ..utils.apparmor import validate_profile
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 SYSTEMD_SERVICES = {"hassos-apparmor.service", "hassio-apparmor.service"}
 

hassio/host/control.py

@@ -4,7 +4,7 @@ import logging
 from ..coresys import CoreSysAttributes
 from ..exceptions import HostNotSupportedError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 MANAGER = "manager"
 HOSTNAME = "hostname"

hassio/host/info.py

@@ -4,7 +4,7 @@ import logging
 from ..coresys import CoreSysAttributes
 from ..exceptions import HassioError, HostNotSupportedError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class InfoCenter(CoreSysAttributes):

hassio/host/services.py

@@ -6,7 +6,7 @@ import attr
 from ..coresys import CoreSysAttributes
 from ..exceptions import HassioError, HostNotSupportedError, HostServiceError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 MOD_REPLACE = "replace"
 

hassio/ingress.py

@@ -12,7 +12,7 @@ from .utils.dt import utc_from_timestamp, utcnow
 from .utils.json import JsonConfig
 from .validate import SCHEMA_INGRESS_CONFIG
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class Ingress(JsonConfig, CoreSysAttributes):

hassio/misc/forwarder.py

@@ -7,7 +7,7 @@ from typing import Optional
 
 import async_timeout
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 COMMAND = "socat UDP-RECVFROM:53,fork UDP-SENDTO:{!s}:53"
 

hassio/misc/hardware.py

@@ -9,7 +9,7 @@ import pyudev
 
 from ..const import ATTR_DEVICES, ATTR_NAME, ATTR_TYPE, CHAN_ID, CHAN_TYPE
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 ASOUND_CARDS: Path = Path("/proc/asound/cards")
 RE_CARDS: re.Pattern = re.compile(r"(\d+) \[(\w*) *\]: (.*\w)")

hassio/misc/scheduler.py

@@ -3,7 +3,7 @@ import asyncio
 from datetime import date, datetime, time, timedelta
 import logging
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 INTERVAL = "interval"
 REPEAT = "repeat"

hassio/services/modules/mqtt.py

@@ -19,7 +19,7 @@ from ..const import (
 )
 from ..interface import ServiceInterface
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 # pylint: disable=no-value-for-parameter

hassio/snapshots/__init__.py

@@ -9,7 +9,7 @@ from ..const import FOLDER_HOMEASSISTANT, SNAPSHOT_FULL, SNAPSHOT_PARTIAL
 from ..coresys import CoreSysAttributes
 from ..utils.dt import utcnow
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class SnapshotManager(CoreSysAttributes):

hassio/snapshots/snapshot.py

@@ -45,7 +45,7 @@ from ..utils.tar import SecureTarFile
 from .utils import key_to_iv, password_for_validating, password_to_key, remove_folder
 from .validate import ALL_FOLDERS, SCHEMA_SNAPSHOT
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class Snapshot(CoreSysAttributes):

hassio/store/__init__.py

@@ -9,7 +9,7 @@ from .addon import AddonStore
 from .data import StoreData
 from .repository import Repository
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 BUILTIN_REPOSITORIES = set((REPOSITORY_CORE, REPOSITORY_LOCAL))
 

hassio/store/addon.py

@@ -4,7 +4,7 @@ import logging
 from ..coresys import CoreSys
 from ..addons.model import AddonModel, Data
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class AddonStore(AddonModel):

hassio/store/data.py

@@ -20,7 +20,7 @@ from ..utils.json import read_json_file
 from .utils import extract_hash_from_path
 from .validate import SCHEMA_REPOSITORY_CONFIG
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class StoreData(CoreSysAttributes):

hassio/store/git.py

@@ -12,7 +12,7 @@ from ..const import URL_HASSIO_ADDONS, ATTR_URL, ATTR_BRANCH
 from ..coresys import CoreSysAttributes
 from ..validate import RE_REPOSITORY
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class GitRepo(CoreSysAttributes):

hassio/store/utils.py

@@ -5,7 +5,7 @@ from pathlib import Path
 import re
 
 RE_SHA1 = re.compile(r"[a-f0-9]{8}")
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 def get_hash_from_repository(name: str) -> str:

hassio/supervisor.py

@@ -20,7 +20,7 @@ from .exceptions import (
     SupervisorUpdateError,
 )
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class Supervisor(CoreSysAttributes):

hassio/tasks.py

@@ -5,7 +5,7 @@ import logging
 from .coresys import CoreSysAttributes
 from .exceptions import HomeAssistantError, CoreDNSError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 HASS_WATCHDOG_API = "HASS_WATCHDOG_API"
 

hassio/updater.py

@@ -24,7 +24,7 @@ from .utils import AsyncThrottle
 from .utils.json import JsonConfig
 from .validate import SCHEMA_UPDATER_CONFIG
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 class Updater(JsonConfig, CoreSysAttributes):

hassio/utils/__init__.py

@@ -5,7 +5,7 @@ import logging
 import re
 import socket
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 RE_STRING = re.compile(r"\x1b(\[.*?[@-~]|\].*?(\x07|\x1b\\))")
 
 

hassio/utils/apparmor.py

@@ -4,7 +4,7 @@ import re
 
 from ..exceptions import AppArmorFileError, AppArmorInvalidError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 RE_PROFILE = re.compile(r"^profile ([^ ]+).*$")
 

hassio/utils/dt.py

@@ -12,7 +12,7 @@ UTC = pytz.utc
 
 GEOIP_URL = "http://ip-api.com/json/"
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 # Copyright (c) Django Software Foundation and individual contributors.

hassio/utils/gdbus.py

@@ -1,68 +1,87 @@
 """DBus implementation with glib."""
+from __future__ import annotations
+
 import asyncio
 import logging
 import json
 import shlex
 import re
 from signal import SIGINT
+from typing import Any, Dict, List, Optional, Set
 import xml.etree.ElementTree as ET
 
-from ..exceptions import DBusFatalError, DBusParseError
+from ..exceptions import (
+    DBusFatalError,
+    DBusParseError,
+    DBusInterfaceError,
+    DBusNotConnectedError,
+)
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 # Use to convert GVariant into json
-RE_GVARIANT_TYPE = re.compile(
+RE_GVARIANT_TYPE: re.Match = re.compile(
     r"(?:boolean|byte|int16|uint16|int32|uint32|handle|int64|uint64|double|"
     r"string|objectpath|signature) "
 )
-RE_GVARIANT_VARIANT = re.compile(
+RE_GVARIANT_VARIANT: re.Match = re.compile(
     r"(?<=(?: |{|\[))<((?:'|\").*?(?:'|\")|\d+(?:\.\d+)?)>(?=(?:|]|}|,))"
 )
-RE_GVARIANT_STRING = re.compile(r"(?<=(?: |{|\[|\())'(.*?)'(?=(?:|]|}|,|\)))")
-RE_GVARIANT_TUPLE_O = re.compile(r"\"[^\"]*?\"|(\()")
-RE_GVARIANT_TUPLE_C = re.compile(r"\"[^\"]*?\"|(,?\))")
+RE_GVARIANT_STRING_ESC: re.Match = re.compile(
+    r"(?<=(?: |{|\[|\())'[^']*?\"[^']*?'(?=(?:|]|}|,|\)))"
+)
+RE_GVARIANT_STRING: re.Match = re.compile(r"(?<=(?: |{|\[|\())'(.*?)'(?=(?:|]|}|,|\)))")
+RE_GVARIANT_TUPLE_O: re.Match = re.compile(r"\"[^\"\\]*(?:\\.[^\"\\]*)*\"|(\()")
+RE_GVARIANT_TUPLE_C: re.Match = re.compile(r"\"[^\"\\]*(?:\\.[^\"\\]*)*\"|(,?\))")
 
-RE_MONITOR_OUTPUT = re.compile(r".+?: (?P<signal>[^ ].+) (?P<data>.*)")
+RE_MONITOR_OUTPUT: re.Match = re.compile(r".+?: (?P<signal>[^ ].+) (?P<data>.*)")
+
+# Map GDBus to errors
+MAP_GDBUS_ERROR: Dict[str, Any] = {
+    "GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown": DBusInterfaceError,
+    "No such file or directory": DBusNotConnectedError,
+}
 
 # Commands for dbus
-INTROSPECT = "gdbus introspect --system --dest {bus} " "--object-path {object} --xml"
-CALL = (
+INTROSPECT: str = "gdbus introspect --system --dest {bus} " "--object-path {object} --xml"
+CALL: str = (
     "gdbus call --system --dest {bus} --object-path {object} "
     "--method {method} {args}"
 )
-MONITOR = "gdbus monitor --system --dest {bus}"
+MONITOR: str = "gdbus monitor --system --dest {bus}"
 
-DBUS_METHOD_GETALL = "org.freedesktop.DBus.Properties.GetAll"
+DBUS_METHOD_GETALL: str = "org.freedesktop.DBus.Properties.GetAll"
 
 
 class DBus:
     """DBus handler."""
 
-    def __init__(self, bus_name, object_path):
+    def __init__(self, bus_name: str, object_path: str) -> None:
         """Initialize dbus object."""
-        self.bus_name = bus_name
-        self.object_path = object_path
-        self.methods = set()
-        self.signals = set()
+        self.bus_name: str = bus_name
+        self.object_path: str = object_path
+        self.methods: Set[str] = set()
+        self.signals: Set[str] = set()
 
     @staticmethod
-    async def connect(bus_name, object_path):
+    async def connect(bus_name: str, object_path: str) -> DBus:
         """Read object data."""
         self = DBus(bus_name, object_path)
-        await self._init_proxy()  # pylint: disable=protected-access
+
+        # pylint: disable=protected-access
+        await self._init_proxy()
 
         _LOGGER.info("Connect to dbus: %s - %s", bus_name, object_path)
         return self
 
-    async def _init_proxy(self):
+    async def _init_proxy(self) -> None:
         """Read interface data."""
         command = shlex.split(
             INTROSPECT.format(bus=self.bus_name, object=self.object_path)
         )
 
         # Ask data
-        _LOGGER.info("Introspect %s on %s", self.bus_name, self.object_path)
+        _LOGGER.debug("Introspect %s on %s", self.bus_name, self.object_path)
         data = await self._send(command)
 
         # Parse XML
@@ -73,7 +92,7 @@ class DBus:
             raise DBusParseError() from None
 
         # Read available methods
-        _LOGGER.debug("data: %s", data)
+        _LOGGER.debug("Introspect XML: %s", data)
         for interface in xml.findall("./interface"):
             interface_name = interface.get("name")
 
@@ -88,30 +107,34 @@ class DBus:
                 self.signals.add(f"{interface_name}.{signal_name}")
 
     @staticmethod
-    def parse_gvariant(raw):
+    def parse_gvariant(raw: str) -> Any:
         """Parse GVariant input to python."""
-        raw = RE_GVARIANT_TYPE.sub("", raw)
-        raw = RE_GVARIANT_VARIANT.sub(r"\1", raw)
-        raw = RE_GVARIANT_STRING.sub(r'"\1"', raw)
-        raw = RE_GVARIANT_TUPLE_O.sub(
-            lambda x: x.group(0) if not x.group(1) else "[", raw
+        json_raw: str = RE_GVARIANT_TYPE.sub("", raw)
+        json_raw = RE_GVARIANT_VARIANT.sub(r"\1", json_raw)
+        json_raw = RE_GVARIANT_STRING_ESC.sub(
+            lambda x: x.group(0).replace('"', '\\"'), json_raw
         )
-        raw = RE_GVARIANT_TUPLE_C.sub(
-            lambda x: x.group(0) if not x.group(1) else "]", raw
+        json_raw = RE_GVARIANT_STRING.sub(r'"\1"', json_raw)
+        json_raw = RE_GVARIANT_TUPLE_O.sub(
+            lambda x: x.group(0) if not x.group(1) else "[", json_raw
+        )
+        json_raw = RE_GVARIANT_TUPLE_C.sub(
+            lambda x: x.group(0) if not x.group(1) else "]", json_raw
         )
 
         # No data
-        if raw.startswith("[]"):
+        if json_raw.startswith("[]"):
             return []
 
         try:
-            return json.loads(raw)
+            return json.loads(json_raw)
         except json.JSONDecodeError as err:
-            _LOGGER.error("Can't parse '%s': %s", raw, err)
+            _LOGGER.error("Can't parse '%s': %s", json_raw, err)
+            _LOGGER.debug("GVariant data: '%s'", raw)
             raise DBusParseError() from None
 
     @staticmethod
-    def gvariant_args(args):
+    def gvariant_args(args: List[Any]) -> str:
         """Convert args into gvariant."""
         gvariant = ""
         for arg in args:
@@ -122,11 +145,11 @@ class DBus:
             elif isinstance(arg, str):
                 gvariant += f' "{arg}"'
             else:
-                gvariant += " {}".format(str(arg))
+                gvariant += f" {arg!s}"
 
         return gvariant.lstrip()
 
-    async def call_dbus(self, method, *args):
+    async def call_dbus(self, method: str, *args: List[Any]) -> str:
         """Call a dbus method."""
         command = shlex.split(
             CALL.format(
@@ -142,10 +165,9 @@ class DBus:
         data = await self._send(command)
 
         # Parse and return data
-        _LOGGER.debug("Receive from %s: %s", method, data)
         return self.parse_gvariant(data)
 
-    async def get_properties(self, interface):
+    async def get_properties(self, interface: str) -> Dict[str, Any]:
         """Read all properties from interface."""
         try:
             return (await self.call_dbus(DBUS_METHOD_GETALL, interface))[0]
@@ -153,7 +175,7 @@ class DBus:
             _LOGGER.error("No attributes returned for %s", interface)
             raise DBusFatalError from None
 
-    async def _send(self, command):
+    async def _send(self, command: List[str]) -> str:
         """Send command over dbus."""
         # Run command
         _LOGGER.debug("Send dbus command: %s", command)
@@ -171,13 +193,20 @@ class DBus:
             raise DBusFatalError() from None
 
         # Success?
-        if proc.returncode != 0:
+        if proc.returncode == 0:
+            return data.decode()
+
+        # Filter error
+        error = error.decode()
+        for msg, exception in MAP_GDBUS_ERROR.items():
+            if msg not in error:
+                continue
+            raise exception()
+
+        # General
         _LOGGER.error("DBus return error: %s", error)
         raise DBusFatalError()
 
-        # End
-        return data.decode()
-
     def attach_signals(self, filters=None):
         """Generate a signals wrapper."""
         return DBusSignalWrapper(self, filters)
@@ -189,7 +218,7 @@ class DBus:
             async for signal in signals:
                 return signal
 
-    def __getattr__(self, name):
+    def __getattr__(self, name: str) -> DBusCallWrapper:
         """Mapping to dbus method."""
         return getattr(DBusCallWrapper(self, self.bus_name), name)
 
@@ -197,17 +226,17 @@ class DBus:
 class DBusCallWrapper:
     """Wrapper a DBus interface for a call."""
 
-    def __init__(self, dbus, interface):
+    def __init__(self, dbus: DBus, interface: str) -> None:
         """Initialize wrapper."""
-        self.dbus = dbus
-        self.interface = interface
+        self.dbus: DBus = dbus
+        self.interface: str = interface
 
-    def __call__(self):
+    def __call__(self) -> None:
         """Should never be called."""
         _LOGGER.error("DBus method %s not exists!", self.interface)
         raise DBusFatalError()
 
-    def __getattr__(self, name):
+    def __getattr__(self, name: str):
         """Mapping to dbus method."""
         interface = f"{self.interface}.{name}"
 
@@ -227,11 +256,11 @@ class DBusCallWrapper:
 class DBusSignalWrapper:
     """Process Signals."""
 
-    def __init__(self, dbus, signals=None):
+    def __init__(self, dbus: DBus, signals: Optional[str] = None):
         """Initialize dbus signal wrapper."""
-        self.dbus = dbus
-        self._signals = signals
-        self._proc = None
+        self.dbus: DBus = dbus
+        self._signals: Optional[str] = signals
+        self._proc: Optional[asyncio.Process] = None
 
     async def __aenter__(self):
         """Start monitor events."""

hassio/utils/json.py

@@ -9,7 +9,7 @@ from voluptuous.humanize import humanize_error
 
 from ..exceptions import JsonFileError
 
-_LOGGER = logging.getLogger(__name__)
+_LOGGER: logging.Logger = logging.getLogger(__name__)
 
 
 def write_json_file(jsonfile: Path, data: Any) -> None:

tests/utils/test_gvariant_parser.py

@@ -0,0 +1,278 @@
+"""Test gdbus gvariant parser."""
+from hassio.utils.gdbus import DBus
+
+
+def test_simple_return():
+    """Test Simple return value."""
+    raw = "(objectpath '/org/freedesktop/systemd1/job/35383',)"
+
+    # parse data
+    data = DBus.parse_gvariant(raw)
+
+    assert data == ["/org/freedesktop/systemd1/job/35383"]
+
+
+def test_get_property():
+    """Test Property parsing."""
+    raw = "({'Hostname': <'hassio'>, 'StaticHostname': <'hassio'>, 'PrettyHostname': <''>, 'IconName': <'computer-embedded'>, 'Chassis': <'embedded'>, 'Deployment': <'production'>, 'Location': <''>, 'KernelName': <'Linux'>, 'KernelRelease': <'4.14.98-v7'>, 'KernelVersion': <'#1 SMP Sat May 11 02:17:06 UTC 2019'>, 'OperatingSystemPrettyName': <'HassOS 2.12'>, 'OperatingSystemCPEName': <'cpe:2.3:o:home_assistant:hassos:2.12:*:production:*:*:*:rpi3:*'>, 'HomeURL': <'https://hass.io/'>},)"
+
+    # parse data
+    data = DBus.parse_gvariant(raw)
+
+    assert data[0] == {
+        "Hostname": "hassio",
+        "StaticHostname": "hassio",
+        "PrettyHostname": "",
+        "IconName": "computer-embedded",
+        "Chassis": "embedded",
+        "Deployment": "production",
+        "Location": "",
+        "KernelName": "Linux",
+        "KernelRelease": "4.14.98-v7",
+        "KernelVersion": "#1 SMP Sat May 11 02:17:06 UTC 2019",
+        "OperatingSystemPrettyName": "HassOS 2.12",
+        "OperatingSystemCPEName": "cpe:2.3:o:home_assistant:hassos:2.12:*:production:*:*:*:rpi3:*",
+        "HomeURL": "https://hass.io/",
+    }
+
+
+def test_systemd_unitlist_simple():
+    """Test Systemd Unit list simple."""
+    raw = "([('systemd-remount-fs.service', 'Remount Root and Kernel File Systems', 'loaded', 'active', 'exited', '', objectpath '/org/freedesktop/systemd1/unit/systemd_2dremount_2dfs_2eservice', uint32 0, '', objectpath '/'), ('sys-subsystem-net-devices-veth5714b4e.device', '/sys/subsystem/net/devices/veth5714b4e', 'loaded', 'active', 'plugged', '', '/org/freedesktop/systemd1/unit/sys_2dsubsystem_2dnet_2ddevices_2dveth5714b4e_2edevice', 0, '', '/'), ('rauc.service', 'Rauc Update Service', 'loaded', 'active', 'running', '', '/org/freedesktop/systemd1/unit/rauc_2eservice', 0, '', '/'), ('mnt-data-docker-overlay2-7493c48dd99ab0e68420e3317d93711630dd55a76d4f2a21863a220031203ac2-merged.mount', '/mnt/data/docker/overlay2/7493c48dd99ab0e68420e3317d93711630dd55a76d4f2a21863a220031203ac2/merged', 'loaded', 'active', 'mounted', '', '/org/freedesktop/systemd1/unit/mnt_2ddata_2ddocker_2doverlay2_2d7493c48dd99ab0e68420e3317d93711630dd55a76d4f2a21863a220031203ac2_2dmerged_2emount', 0, '', '/'), ('hassos-hardware.target', 'HassOS hardware targets', 'loaded', 'active', 'active', '', '/org/freedesktop/systemd1/unit/hassos_2dhardware_2etarget', 0, '', '/'), ('dev-zram1.device', '/dev/zram1', 'loaded', 'active', 'plugged', 'sys-devices-virtual-block-zram1.device', '/org/freedesktop/systemd1/unit/dev_2dzram1_2edevice', 0, '', '/'), ('sys-subsystem-net-devices-hassio.device', '/sys/subsystem/net/devices/hassio', 'loaded', 'active', 'plugged', '', '/org/freedesktop/systemd1/unit/sys_2dsubsystem_2dnet_2ddevices_2dhassio_2edevice', 0, '', '/'), ('cryptsetup.target', 'cryptsetup.target', 'not-found', 'inactive', 'dead', '', '/org/freedesktop/systemd1/unit/cryptsetup_2etarget', 0, '', '/'), ('sys-devices-virtual-net-vethd256dfa.device', '/sys/devices/virtual/net/vethd256dfa', 'loaded', 'active', 'plugged', '', '/org/freedesktop/systemd1/unit/sys_2ddevices_2dvirtual_2dnet_2dvethd256dfa_2edevice', 0, '', '/'), ('network-pre.target', 'Network (Pre)', 'loaded', 'inactive', 'dead', '', '/org/freedesktop/systemd1/unit/network_2dpre_2etarget', 0, '', '/'), ('sys-devices-virtual-net-veth5714b4e.device', '/sys/devices/virtual/net/veth5714b4e', 'loaded', 'active', 'plugged', '', '/org/freedesktop/systemd1/unit/sys_2ddevices_2dvirtual_2dnet_2dveth5714b4e_2edevice', 0, '', '/'), ('sys-kernel-debug.mount', 'Kernel Debug File System', 'loaded', 'active', 'mounted', '', '/org/freedesktop/systemd1/unit/sys_2dkernel_2ddebug_2emount', 0, '', '/'), ('slices.target', 'Slices', 'loaded', 'active', 'active', '', '/org/freedesktop/systemd1/unit/slices_2etarget', 0, '', '/'), ('etc-NetworkManager-system\x2dconnections.mount', 'NetworkManager persistent system connections', 'loaded', 'active', 'mounted', '', '/org/freedesktop/systemd1/unit/etc_2dNetworkManager_2dsystem_5cx2dconnections_2emount', 0, '', '/'), ('run-docker-netns-26ede3178729.mount', '/run/docker/netns/26ede3178729', 'loaded', 'active', 'mounted', '', '/org/freedesktop/systemd1/unit/run_2ddocker_2dnetns_2d26ede3178729_2emount', 0, '', '/'), ('dev-disk-by\x2dpath-platform\x2d3f202000.mmc\x2dpart2.device', '/dev/disk/by-path/platform-3f202000.mmc-part2', 'loaded', 'active', 'plugged', 'sys-devices-platform-soc-3f202000.mmc-mmc_host-mmc0-mmc0:e624-block-mmcblk0-mmcblk0p2.device', '/org/freedesktop/systemd1/unit/dev_2ddisk_2dby_5cx2dpath_2dplatform_5cx2d3f202000_2emmc_5cx2dpart2_2edevice', 0, '', '/')],)"
+
+    # parse data
+    data = DBus.parse_gvariant(raw)
+
+    assert data == [
+        [
+            [
+                "systemd-remount-fs.service",
+                "Remount Root and Kernel File Systems",
+                "loaded",
+                "active",
+                "exited",
+                "",
+                "/org/freedesktop/systemd1/unit/systemd_2dremount_2dfs_2eservice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "sys-subsystem-net-devices-veth5714b4e.device",
+                "/sys/subsystem/net/devices/veth5714b4e",
+                "loaded",
+                "active",
+                "plugged",
+                "",
+                "/org/freedesktop/systemd1/unit/sys_2dsubsystem_2dnet_2ddevices_2dveth5714b4e_2edevice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "rauc.service",
+                "Rauc Update Service",
+                "loaded",
+                "active",
+                "running",
+                "",
+                "/org/freedesktop/systemd1/unit/rauc_2eservice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "mnt-data-docker-overlay2-7493c48dd99ab0e68420e3317d93711630dd55a76d4f2a21863a220031203ac2-merged.mount",
+                "/mnt/data/docker/overlay2/7493c48dd99ab0e68420e3317d93711630dd55a76d4f2a21863a220031203ac2/merged",
+                "loaded",
+                "active",
+                "mounted",
+                "",
+                "/org/freedesktop/systemd1/unit/mnt_2ddata_2ddocker_2doverlay2_2d7493c48dd99ab0e68420e3317d93711630dd55a76d4f2a21863a220031203ac2_2dmerged_2emount",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "hassos-hardware.target",
+                "HassOS hardware targets",
+                "loaded",
+                "active",
+                "active",
+                "",
+                "/org/freedesktop/systemd1/unit/hassos_2dhardware_2etarget",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "dev-zram1.device",
+                "/dev/zram1",
+                "loaded",
+                "active",
+                "plugged",
+                "sys-devices-virtual-block-zram1.device",
+                "/org/freedesktop/systemd1/unit/dev_2dzram1_2edevice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "sys-subsystem-net-devices-hassio.device",
+                "/sys/subsystem/net/devices/hassio",
+                "loaded",
+                "active",
+                "plugged",
+                "",
+                "/org/freedesktop/systemd1/unit/sys_2dsubsystem_2dnet_2ddevices_2dhassio_2edevice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "cryptsetup.target",
+                "cryptsetup.target",
+                "not-found",
+                "inactive",
+                "dead",
+                "",
+                "/org/freedesktop/systemd1/unit/cryptsetup_2etarget",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "sys-devices-virtual-net-vethd256dfa.device",
+                "/sys/devices/virtual/net/vethd256dfa",
+                "loaded",
+                "active",
+                "plugged",
+                "",
+                "/org/freedesktop/systemd1/unit/sys_2ddevices_2dvirtual_2dnet_2dvethd256dfa_2edevice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "network-pre.target",
+                "Network (Pre)",
+                "loaded",
+                "inactive",
+                "dead",
+                "",
+                "/org/freedesktop/systemd1/unit/network_2dpre_2etarget",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "sys-devices-virtual-net-veth5714b4e.device",
+                "/sys/devices/virtual/net/veth5714b4e",
+                "loaded",
+                "active",
+                "plugged",
+                "",
+                "/org/freedesktop/systemd1/unit/sys_2ddevices_2dvirtual_2dnet_2dveth5714b4e_2edevice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "sys-kernel-debug.mount",
+                "Kernel Debug File System",
+                "loaded",
+                "active",
+                "mounted",
+                "",
+                "/org/freedesktop/systemd1/unit/sys_2dkernel_2ddebug_2emount",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "slices.target",
+                "Slices",
+                "loaded",
+                "active",
+                "active",
+                "",
+                "/org/freedesktop/systemd1/unit/slices_2etarget",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "etc-NetworkManager-system-connections.mount",
+                "NetworkManager persistent system connections",
+                "loaded",
+                "active",
+                "mounted",
+                "",
+                "/org/freedesktop/systemd1/unit/etc_2dNetworkManager_2dsystem_5cx2dconnections_2emount",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "run-docker-netns-26ede3178729.mount",
+                "/run/docker/netns/26ede3178729",
+                "loaded",
+                "active",
+                "mounted",
+                "",
+                "/org/freedesktop/systemd1/unit/run_2ddocker_2dnetns_2d26ede3178729_2emount",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "dev-disk-by-path-platform-3f202000.mmc-part2.device",
+                "/dev/disk/by-path/platform-3f202000.mmc-part2",
+                "loaded",
+                "active",
+                "plugged",
+                "sys-devices-platform-soc-3f202000.mmc-mmc_host-mmc0-mmc0:e624-block-mmcblk0-mmcblk0p2.device",
+                "/org/freedesktop/systemd1/unit/dev_2ddisk_2dby_5cx2dpath_2dplatform_5cx2d3f202000_2emmc_5cx2dpart2_2edevice",
+                0,
+                "",
+                "/",
+            ],
+        ]
+    ]
+
+
+def test_systemd_unitlist_complex():
+    """Test Systemd Unit list simple."""
+    raw = "([('systemd-remount-fs.service', 'Remount Root and \"Kernel File Systems\"', 'loaded', 'active', 'exited', '', objectpath '/org/freedesktop/systemd1/unit/systemd_2dremount_2dfs_2eservice', uint32 0, '', objectpath '/'), ('sys-subsystem-net-devices-veth5714b4e.device', '/sys/subsystem/net/devices/veth5714b4e for \" is', 'loaded', 'active', 'plugged', '', '/org/freedesktop/systemd1/unit/sys_2dsubsystem_2dnet_2ddevices_2dveth5714b4e_2edevice', 0, '', '/')],)"
+
+    # parse data
+    data = DBus.parse_gvariant(raw)
+
+    assert data == [
+        [
+            [
+                "systemd-remount-fs.service",
+                'Remount Root and "Kernel File Systems"',
+                "loaded",
+                "active",
+                "exited",
+                "",
+                "/org/freedesktop/systemd1/unit/systemd_2dremount_2dfs_2eservice",
+                0,
+                "",
+                "/",
+            ],
+            [
+                "sys-subsystem-net-devices-veth5714b4e.device",
+                '/sys/subsystem/net/devices/veth5714b4e for " is',
+                "loaded",
+                "active",
+                "plugged",
+                "",
+                "/org/freedesktop/systemd1/unit/sys_2dsubsystem_2dnet_2ddevices_2dveth5714b4e_2edevice",
+                0,
+                "",
+                "/",
+            ],
+        ]
+    ]