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ha-core/homeassistant/helpers/device_registry.py

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"""Provide a way to connect entities belonging to one device."""
from __future__ import annotations
from collections.abc import Mapping
from enum import StrEnum
from functools import cached_property, lru_cache, partial
import logging
import time
from typing import TYPE_CHECKING, Any, Literal, TypedDict, TypeVar, cast
import attr
from yarl import URL
from homeassistant.const import EVENT_HOMEASSISTANT_STARTED, EVENT_HOMEASSISTANT_STOP
from homeassistant.core import Event, HomeAssistant, callback, get_release_channel
from homeassistant.exceptions import HomeAssistantError
from homeassistant.loader import async_suggest_report_issue
from homeassistant.util.json import format_unserializable_data
import homeassistant.util.uuid as uuid_util
from . import storage, translation
from .debounce import Debouncer
from .deprecation import (
DeprecatedConstantEnum,
all_with_deprecated_constants,
check_if_deprecated_constant,
dir_with_deprecated_constants,
)
from .frame import report
from .json import JSON_DUMP, find_paths_unserializable_data, json_bytes, json_fragment
from .registry import BaseRegistry, BaseRegistryItems
from .typing import UNDEFINED, UndefinedType
if TYPE_CHECKING:
from homeassistant.config_entries import ConfigEntry
from . import entity_registry
_LOGGER = logging.getLogger(__name__)
DATA_REGISTRY = "device_registry"
EVENT_DEVICE_REGISTRY_UPDATED = "device_registry_updated"
STORAGE_KEY = "core.device_registry"
STORAGE_VERSION_MAJOR = 1
STORAGE_VERSION_MINOR = 5
CLEANUP_DELAY = 10
CONNECTION_BLUETOOTH = "bluetooth"
CONNECTION_NETWORK_MAC = "mac"
CONNECTION_UPNP = "upnp"
CONNECTION_ZIGBEE = "zigbee"
ORPHANED_DEVICE_KEEP_SECONDS = 86400 * 30
RUNTIME_ONLY_ATTRS = {"suggested_area"}
CONFIGURATION_URL_SCHEMES = {"http", "https", "homeassistant"}
class DeviceEntryDisabler(StrEnum):
"""What disabled a device entry."""
CONFIG_ENTRY = "config_entry"
INTEGRATION = "integration"
USER = "user"
# DISABLED_* are deprecated, to be removed in 2022.3
_DEPRECATED_DISABLED_CONFIG_ENTRY = DeprecatedConstantEnum(
DeviceEntryDisabler.CONFIG_ENTRY, "2025.1"
)
_DEPRECATED_DISABLED_INTEGRATION = DeprecatedConstantEnum(
DeviceEntryDisabler.INTEGRATION, "2025.1"
)
_DEPRECATED_DISABLED_USER = DeprecatedConstantEnum(DeviceEntryDisabler.USER, "2025.1")
class DeviceInfo(TypedDict, total=False):
"""Entity device information for device registry."""
configuration_url: str | URL | None
connections: set[tuple[str, str]]
default_manufacturer: str
default_model: str
default_name: str
entry_type: DeviceEntryType | None
identifiers: set[tuple[str, str]]
manufacturer: str | None
model: str | None
name: str | None
serial_number: str | None
suggested_area: str | None
sw_version: str | None
hw_version: str | None
translation_key: str | None
translation_placeholders: Mapping[str, str] | None
via_device: tuple[str, str]
DEVICE_INFO_TYPES = {
# Device info is categorized by finding the first device info type which has all
# the keys of the device info. The link device info type must be kept first
# to make it preferred over primary.
"link": {
"connections",
"identifiers",
},
"primary": {
"configuration_url",
"connections",
"entry_type",
"hw_version",
"identifiers",
"manufacturer",
"model",
"name",
"serial_number",
"suggested_area",
"sw_version",
"via_device",
},
"secondary": {
"connections",
"default_manufacturer",
"default_model",
"default_name",
# Used by Fritz
"via_device",
},
}
DEVICE_INFO_KEYS = set.union(*(itm for itm in DEVICE_INFO_TYPES.values()))
class _EventDeviceRegistryUpdatedData_CreateRemove(TypedDict):
"""EventDeviceRegistryUpdated data for action type 'create' and 'remove'."""
action: Literal["create", "remove"]
device_id: str
class _EventDeviceRegistryUpdatedData_Update(TypedDict):
"""EventDeviceRegistryUpdated data for action type 'update'."""
action: Literal["update"]
device_id: str
changes: dict[str, Any]
EventDeviceRegistryUpdatedData = (
_EventDeviceRegistryUpdatedData_CreateRemove
| _EventDeviceRegistryUpdatedData_Update
)
class DeviceEntryType(StrEnum):
"""Device entry type."""
SERVICE = "service"
class DeviceInfoError(HomeAssistantError):
"""Raised when device info is invalid."""
def __init__(self, domain: str, device_info: DeviceInfo, message: str) -> None:
"""Initialize error."""
super().__init__(
f"Invalid device info {device_info} for '{domain}' config entry: {message}",
)
self.device_info = device_info
self.domain = domain
def _validate_device_info(
config_entry: ConfigEntry,
device_info: DeviceInfo,
) -> str:
"""Process a device info."""
keys = set(device_info)
# If no keys or not enough info to match up, abort
if not device_info.get("connections") and not device_info.get("identifiers"):
raise DeviceInfoError(
config_entry.domain,
device_info,
"device info must include at least one of identifiers or connections",
)
device_info_type: str | None = None
# Find the first device info type which has all keys in the device info
for possible_type, allowed_keys in DEVICE_INFO_TYPES.items():
if keys <= allowed_keys:
device_info_type = possible_type
break
if device_info_type is None:
raise DeviceInfoError(
config_entry.domain,
device_info,
(
"device info needs to either describe a device, "
"link to existing device or provide extra information."
),
)
return device_info_type
_cached_parse_url = lru_cache(maxsize=512)(URL)
"""Parse a URL and cache the result."""
def _validate_configuration_url(value: Any) -> str | None:
"""Validate and convert configuration_url."""
if value is None:
return None
url_as_str = str(value)
url = value if type(value) is URL else _cached_parse_url(url_as_str)
if url.scheme not in CONFIGURATION_URL_SCHEMES or not url.host:
raise ValueError(f"invalid configuration_url '{value}'")
return url_as_str
@attr.s(frozen=True)
class DeviceEntry:
"""Device Registry Entry."""
area_id: str | None = attr.ib(default=None)
config_entries: set[str] = attr.ib(converter=set, factory=set)
configuration_url: str | None = attr.ib(default=None)
connections: set[tuple[str, str]] = attr.ib(converter=set, factory=set)
disabled_by: DeviceEntryDisabler | None = attr.ib(default=None)
entry_type: DeviceEntryType | None = attr.ib(default=None)
hw_version: str | None = attr.ib(default=None)
id: str = attr.ib(factory=uuid_util.random_uuid_hex)
identifiers: set[tuple[str, str]] = attr.ib(converter=set, factory=set)
labels: set[str] = attr.ib(converter=set, factory=set)
manufacturer: str | None = attr.ib(default=None)
model: str | None = attr.ib(default=None)
name_by_user: str | None = attr.ib(default=None)
name: str | None = attr.ib(default=None)
serial_number: str | None = attr.ib(default=None)
suggested_area: str | None = attr.ib(default=None)
sw_version: str | None = attr.ib(default=None)
via_device_id: str | None = attr.ib(default=None)
# This value is not stored, just used to keep track of events to fire.
is_new: bool = attr.ib(default=False)
@property
def disabled(self) -> bool:
"""Return if entry is disabled."""
return self.disabled_by is not None
@property
def dict_repr(self) -> dict[str, Any]:
"""Return a dict representation of the entry."""
# Convert sets and tuples to lists
# so the JSON serializer does not have to do
# it every time
return {
"area_id": self.area_id,
"configuration_url": self.configuration_url,
"config_entries": list(self.config_entries),
"connections": list(self.connections),
"disabled_by": self.disabled_by,
"entry_type": self.entry_type,
"hw_version": self.hw_version,
"id": self.id,
"identifiers": list(self.identifiers),
"labels": list(self.labels),
"manufacturer": self.manufacturer,
"model": self.model,
"name_by_user": self.name_by_user,
"name": self.name,
"serial_number": self.serial_number,
"sw_version": self.sw_version,
"via_device_id": self.via_device_id,
}
@cached_property
def json_repr(self) -> bytes | None:
"""Return a cached JSON representation of the entry."""
try:
dict_repr = self.dict_repr
return json_bytes(dict_repr)
except (ValueError, TypeError):
_LOGGER.error(
"Unable to serialize entry %s to JSON. Bad data found at %s",
self.id,
format_unserializable_data(
find_paths_unserializable_data(dict_repr, dump=JSON_DUMP)
),
)
return None
@cached_property
def as_storage_fragment(self) -> json_fragment:
"""Return a json fragment for storage."""
return json_fragment(
json_bytes(
{
"area_id": self.area_id,
"config_entries": list(self.config_entries),
"configuration_url": self.configuration_url,
"connections": list(self.connections),
"disabled_by": self.disabled_by,
"entry_type": self.entry_type,
"hw_version": self.hw_version,
"id": self.id,
"identifiers": list(self.identifiers),
"labels": list(self.labels),
"manufacturer": self.manufacturer,
"model": self.model,
"name_by_user": self.name_by_user,
"name": self.name,
"serial_number": self.serial_number,
"sw_version": self.sw_version,
"via_device_id": self.via_device_id,
}
)
)
@attr.s(frozen=True)
class DeletedDeviceEntry:
"""Deleted Device Registry Entry."""
config_entries: set[str] = attr.ib()
connections: set[tuple[str, str]] = attr.ib()
identifiers: set[tuple[str, str]] = attr.ib()
id: str = attr.ib()
orphaned_timestamp: float | None = attr.ib()
def to_device_entry(
self,
config_entry_id: str,
connections: set[tuple[str, str]],
identifiers: set[tuple[str, str]],
) -> DeviceEntry:
"""Create DeviceEntry from DeletedDeviceEntry."""
return DeviceEntry(
# type ignores: likely https://github.com/python/mypy/issues/8625
config_entries={config_entry_id}, # type: ignore[arg-type]
connections=self.connections & connections, # type: ignore[arg-type]
identifiers=self.identifiers & identifiers, # type: ignore[arg-type]
id=self.id,
is_new=True,
)
@cached_property
def as_storage_fragment(self) -> json_fragment:
"""Return a json fragment for storage."""
return json_fragment(
json_bytes(
{
"config_entries": list(self.config_entries),
"connections": list(self.connections),
"identifiers": list(self.identifiers),
"id": self.id,
"orphaned_timestamp": self.orphaned_timestamp,
}
)
)
@lru_cache(maxsize=512)
def format_mac(mac: str) -> str:
"""Format the mac address string for entry into dev reg."""
to_test = mac
if len(to_test) == 17 and to_test.count(":") == 5:
return to_test.lower()
if len(to_test) == 17 and to_test.count("-") == 5:
to_test = to_test.replace("-", "")
elif len(to_test) == 14 and to_test.count(".") == 2:
to_test = to_test.replace(".", "")
if len(to_test) == 12:
# no : included
return ":".join(to_test.lower()[i : i + 2] for i in range(0, 12, 2))
# Not sure how formatted, return original
return mac
class DeviceRegistryStore(storage.Store[dict[str, list[dict[str, Any]]]]):
"""Store entity registry data."""
async def _async_migrate_func(
self,
old_major_version: int,
old_minor_version: int,
old_data: dict[str, list[dict[str, Any]]],
) -> dict[str, Any]:
"""Migrate to the new version."""
if old_major_version < 2:
if old_minor_version < 2:
# Version 1.2 implements migration and freezes the available keys,
# populate keys which were introduced before version 1.2
for device in old_data["devices"]:
device.setdefault("area_id", None)
device.setdefault("configuration_url", None)
device.setdefault("disabled_by", None)
try:
device["entry_type"] = DeviceEntryType(
device.get("entry_type"), # type: ignore[arg-type]
)
except ValueError:
device["entry_type"] = None
device.setdefault("name_by_user", None)
# via_device_id was originally introduced as hub_device_id
device.setdefault("via_device_id", device.get("hub_device_id"))
old_data.setdefault("deleted_devices", [])
for device in old_data["deleted_devices"]:
device.setdefault("orphaned_timestamp", None)
if old_minor_version < 3:
# Version 1.3 adds hw_version
for device in old_data["devices"]:
device["hw_version"] = None
if old_minor_version < 4:
# Introduced in 2023.11
for device in old_data["devices"]:
device["serial_number"] = None
if old_minor_version < 5:
# Introduced in 2024.3
for device in old_data["devices"]:
device["labels"] = device.get("labels", [])
if old_major_version > 1:
raise NotImplementedError
return old_data
_EntryTypeT = TypeVar("_EntryTypeT", DeviceEntry, DeletedDeviceEntry)
class DeviceRegistryItems(BaseRegistryItems[_EntryTypeT]):
"""Container for device registry items, maps device id -> entry.
Maintains two additional indexes:
- (connection_type, connection identifier) -> entry
- (DOMAIN, identifier) -> entry
"""
def __init__(self) -> None:
"""Initialize the container."""
super().__init__()
self._connections: dict[tuple[str, str], _EntryTypeT] = {}
self._identifiers: dict[tuple[str, str], _EntryTypeT] = {}
def _index_entry(self, key: str, entry: _EntryTypeT) -> None:
"""Index an entry."""
for connection in entry.connections:
self._connections[connection] = entry
for identifier in entry.identifiers:
self._identifiers[identifier] = entry
def _unindex_entry(
self, key: str, replacement_entry: _EntryTypeT | None = None
) -> None:
"""Unindex an entry."""
old_entry = self.data[key]
for connection in old_entry.connections:
del self._connections[connection]
for identifier in old_entry.identifiers:
del self._identifiers[identifier]
def get_entry(
self,
identifiers: set[tuple[str, str]] | None,
connections: set[tuple[str, str]] | None,
) -> _EntryTypeT | None:
"""Get entry from identifiers or connections."""
if identifiers:
for identifier in identifiers:
if identifier in self._identifiers:
return self._identifiers[identifier]
if not connections:
return None
for connection in _normalize_connections(connections):
if connection in self._connections:
return self._connections[connection]
return None
class ActiveDeviceRegistryItems(DeviceRegistryItems[DeviceEntry]):
"""Container for active (non-deleted) device registry entries."""
def __init__(self) -> None:
"""Initialize the container.
Maintains three additional indexes:
- area_id -> dict[key, True]
- config_entry_id -> dict[key, True]
- label -> dict[key, True]
"""
super().__init__()
self._area_id_index: dict[str, dict[str, Literal[True]]] = {}
self._config_entry_id_index: dict[str, dict[str, Literal[True]]] = {}
self._labels_index: dict[str, dict[str, Literal[True]]] = {}
def _index_entry(self, key: str, entry: DeviceEntry) -> None:
"""Index an entry."""
super()._index_entry(key, entry)
if (area_id := entry.area_id) is not None:
self._area_id_index.setdefault(area_id, {})[key] = True
for label in entry.labels:
self._labels_index.setdefault(label, {})[key] = True
for config_entry_id in entry.config_entries:
self._config_entry_id_index.setdefault(config_entry_id, {})[key] = True
def _unindex_entry(
self, key: str, replacement_entry: DeviceEntry | None = None
) -> None:
"""Unindex an entry."""
entry = self.data[key]
if area_id := entry.area_id:
self._unindex_entry_value(key, area_id, self._area_id_index)
if labels := entry.labels:
for label in labels:
self._unindex_entry_value(key, label, self._labels_index)
for config_entry_id in entry.config_entries:
self._unindex_entry_value(key, config_entry_id, self._config_entry_id_index)
super()._unindex_entry(key, replacement_entry)
def get_devices_for_area_id(self, area_id: str) -> list[DeviceEntry]:
"""Get devices for area."""
data = self.data
return [data[key] for key in self._area_id_index.get(area_id, ())]
def get_devices_for_label(self, label: str) -> list[DeviceEntry]:
"""Get devices for label."""
data = self.data
return [data[key] for key in self._labels_index.get(label, ())]
def get_devices_for_config_entry_id(
self, config_entry_id: str
) -> list[DeviceEntry]:
"""Get devices for config entry."""
data = self.data
return [
data[key] for key in self._config_entry_id_index.get(config_entry_id, ())
]
class DeviceRegistry(BaseRegistry):
"""Class to hold a registry of devices."""
devices: ActiveDeviceRegistryItems
deleted_devices: DeviceRegistryItems[DeletedDeviceEntry]
_device_data: dict[str, DeviceEntry]
def __init__(self, hass: HomeAssistant) -> None:
"""Initialize the device registry."""
self.hass = hass
self._store = DeviceRegistryStore(
hass,
STORAGE_VERSION_MAJOR,
STORAGE_KEY,
atomic_writes=True,
minor_version=STORAGE_VERSION_MINOR,
)
@callback
def async_get(self, device_id: str) -> DeviceEntry | None:
"""Get device.
We retrieve the DeviceEntry from the underlying dict to avoid
the overhead of the UserDict __getitem__.
"""
return self._device_data.get(device_id)
@callback
def async_get_device(
self,
identifiers: set[tuple[str, str]] | None = None,
connections: set[tuple[str, str]] | None = None,
) -> DeviceEntry | None:
"""Check if device is registered."""
return self.devices.get_entry(identifiers, connections)
def _async_get_deleted_device(
self,
identifiers: set[tuple[str, str]],
connections: set[tuple[str, str]],
) -> DeletedDeviceEntry | None:
"""Check if device is deleted."""
return self.deleted_devices.get_entry(identifiers, connections)
def _substitute_name_placeholders(
self,
domain: str,
name: str,
translation_placeholders: Mapping[str, str],
) -> str:
"""Substitute placeholders in entity name."""
try:
return name.format(**translation_placeholders)
except KeyError as err:
if get_release_channel() != "stable":
raise HomeAssistantError("Missing placeholder %s" % err) from err
report_issue = async_suggest_report_issue(
self.hass, integration_domain=domain
)
_LOGGER.warning(
(
"Device from integration %s has translation placeholders '%s' "
"which do not match the name '%s', please %s"
),
domain,
translation_placeholders,
name,
report_issue,
)
return name
@callback
def async_get_or_create(
self,
*,
config_entry_id: str,
configuration_url: str | URL | None | UndefinedType = UNDEFINED,
connections: set[tuple[str, str]] | None | UndefinedType = UNDEFINED,
default_manufacturer: str | None | UndefinedType = UNDEFINED,
default_model: str | None | UndefinedType = UNDEFINED,
default_name: str | None | UndefinedType = UNDEFINED,
# To disable a device if it gets created
disabled_by: DeviceEntryDisabler | None | UndefinedType = UNDEFINED,
entry_type: DeviceEntryType | None | UndefinedType = UNDEFINED,
hw_version: str | None | UndefinedType = UNDEFINED,
identifiers: set[tuple[str, str]] | None | UndefinedType = UNDEFINED,
manufacturer: str | None | UndefinedType = UNDEFINED,
model: str | None | UndefinedType = UNDEFINED,
name: str | None | UndefinedType = UNDEFINED,
serial_number: str | None | UndefinedType = UNDEFINED,
suggested_area: str | None | UndefinedType = UNDEFINED,
sw_version: str | None | UndefinedType = UNDEFINED,
translation_key: str | None = None,
translation_placeholders: Mapping[str, str] | None = None,
via_device: tuple[str, str] | None | UndefinedType = UNDEFINED,
) -> DeviceEntry:
"""Get device. Create if it doesn't exist."""
if configuration_url is not UNDEFINED:
configuration_url = _validate_configuration_url(configuration_url)
config_entry = self.hass.config_entries.async_get_entry(config_entry_id)
if config_entry is None:
raise HomeAssistantError(
f"Can't link device to unknown config entry {config_entry_id}"
)
if translation_key:
full_translation_key = (
f"component.{config_entry.domain}.device.{translation_key}.name"
)
translations = translation.async_get_cached_translations(
self.hass, self.hass.config.language, "device", config_entry.domain
)
translated_name = translations.get(full_translation_key, translation_key)
name = self._substitute_name_placeholders(
config_entry.domain, translated_name, translation_placeholders or {}
)
# Reconstruct a DeviceInfo dict from the arguments.
# When we upgrade to Python 3.12, we can change this method to instead
# accept kwargs typed as a DeviceInfo dict (PEP 692)
device_info: DeviceInfo = {}
for key, val in (
("configuration_url", configuration_url),
("connections", connections),
("default_manufacturer", default_manufacturer),
("default_model", default_model),
("default_name", default_name),
("entry_type", entry_type),
("hw_version", hw_version),
("identifiers", identifiers),
("manufacturer", manufacturer),
("model", model),
("name", name),
("serial_number", serial_number),
("suggested_area", suggested_area),
("sw_version", sw_version),
("via_device", via_device),
):
if val is UNDEFINED:
continue
device_info[key] = val # type: ignore[literal-required]
device_info_type = _validate_device_info(config_entry, device_info)
if identifiers is None or identifiers is UNDEFINED:
identifiers = set()
if connections is None or connections is UNDEFINED:
connections = set()
else:
connections = _normalize_connections(connections)
device = self.async_get_device(identifiers=identifiers, connections=connections)
if device is None:
deleted_device = self._async_get_deleted_device(identifiers, connections)
if deleted_device is None:
device = DeviceEntry(is_new=True)
else:
self.deleted_devices.pop(deleted_device.id)
device = deleted_device.to_device_entry(
config_entry_id, connections, identifiers
)
self.devices[device.id] = device
# If creating a new device, default to the config entry name
if device_info_type == "primary" and (not name or name is UNDEFINED):
name = config_entry.title
if default_manufacturer is not UNDEFINED and device.manufacturer is None:
manufacturer = default_manufacturer
if default_model is not UNDEFINED and device.model is None:
model = default_model
if default_name is not UNDEFINED and device.name is None:
name = default_name
if via_device is not None and via_device is not UNDEFINED:
via = self.async_get_device(identifiers={via_device})
via_device_id: str | UndefinedType = via.id if via else UNDEFINED
else:
via_device_id = UNDEFINED
if isinstance(entry_type, str) and not isinstance(entry_type, DeviceEntryType):
report( # type: ignore[unreachable]
(
"uses str for device registry entry_type. This is deprecated and"
" will stop working in Home Assistant 2022.3, it should be updated"
" to use DeviceEntryType instead"
),
error_if_core=False,
)
entry_type = DeviceEntryType(entry_type)
device = self.async_update_device(
device.id,
add_config_entry_id=config_entry_id,
configuration_url=configuration_url,
disabled_by=disabled_by,
entry_type=entry_type,
hw_version=hw_version,
manufacturer=manufacturer,
merge_connections=connections or UNDEFINED,
merge_identifiers=identifiers or UNDEFINED,
model=model,
name=name,
serial_number=serial_number,
suggested_area=suggested_area,
sw_version=sw_version,
via_device_id=via_device_id,
)
# This is safe because _async_update_device will always return a device
# in this use case.
assert device
return device
@callback
def async_update_device(
self,
device_id: str,
*,
add_config_entry_id: str | UndefinedType = UNDEFINED,
area_id: str | None | UndefinedType = UNDEFINED,
configuration_url: str | URL | None | UndefinedType = UNDEFINED,
disabled_by: DeviceEntryDisabler | None | UndefinedType = UNDEFINED,
entry_type: DeviceEntryType | None | UndefinedType = UNDEFINED,
hw_version: str | None | UndefinedType = UNDEFINED,
labels: set[str] | UndefinedType = UNDEFINED,
manufacturer: str | None | UndefinedType = UNDEFINED,
merge_connections: set[tuple[str, str]] | UndefinedType = UNDEFINED,
merge_identifiers: set[tuple[str, str]] | UndefinedType = UNDEFINED,
model: str | None | UndefinedType = UNDEFINED,
name_by_user: str | None | UndefinedType = UNDEFINED,
name: str | None | UndefinedType = UNDEFINED,
new_identifiers: set[tuple[str, str]] | UndefinedType = UNDEFINED,
remove_config_entry_id: str | UndefinedType = UNDEFINED,
serial_number: str | None | UndefinedType = UNDEFINED,
suggested_area: str | None | UndefinedType = UNDEFINED,
sw_version: str | None | UndefinedType = UNDEFINED,
via_device_id: str | None | UndefinedType = UNDEFINED,
) -> DeviceEntry | None:
"""Update device attributes."""
old = self.devices[device_id]
new_values: dict[str, Any] = {} # Dict with new key/value pairs
old_values: dict[str, Any] = {} # Dict with old key/value pairs
config_entries = old.config_entries
if merge_identifiers is not UNDEFINED and new_identifiers is not UNDEFINED:
raise HomeAssistantError
if isinstance(disabled_by, str) and not isinstance(
disabled_by, DeviceEntryDisabler
):
report( # type: ignore[unreachable]
(
"uses str for device registry disabled_by. This is deprecated and"
" will stop working in Home Assistant 2022.3, it should be updated"
" to use DeviceEntryDisabler instead"
),
error_if_core=False,
)
disabled_by = DeviceEntryDisabler(disabled_by)
if (
suggested_area is not None
and suggested_area is not UNDEFINED
and suggested_area != ""
and area_id is UNDEFINED
and old.area_id is None
):
# Circular dep
# pylint: disable-next=import-outside-toplevel
from . import area_registry as ar
area = ar.async_get(self.hass).async_get_or_create(suggested_area)
area_id = area.id
if (
add_config_entry_id is not UNDEFINED
and add_config_entry_id not in old.config_entries
):
config_entries = old.config_entries | {add_config_entry_id}
if (
remove_config_entry_id is not UNDEFINED
and remove_config_entry_id in config_entries
):
if config_entries == {remove_config_entry_id}:
self.async_remove_device(device_id)
return None
config_entries = config_entries - {remove_config_entry_id}
if config_entries != old.config_entries:
new_values["config_entries"] = config_entries
old_values["config_entries"] = old.config_entries
for attr_name, setvalue in (
("connections", merge_connections),
("identifiers", merge_identifiers),
):
old_value = getattr(old, attr_name)
# If not undefined, check if `value` contains new items.
if setvalue is not UNDEFINED and not setvalue.issubset(old_value):
new_values[attr_name] = old_value | setvalue
old_values[attr_name] = old_value
if new_identifiers is not UNDEFINED:
new_values["identifiers"] = new_identifiers
old_values["identifiers"] = old.identifiers
if configuration_url is not UNDEFINED:
configuration_url = _validate_configuration_url(configuration_url)
for attr_name, value in (
("area_id", area_id),
("configuration_url", configuration_url),
("disabled_by", disabled_by),
("entry_type", entry_type),
("hw_version", hw_version),
("labels", labels),
("manufacturer", manufacturer),
("model", model),
("name", name),
("name_by_user", name_by_user),
("serial_number", serial_number),
("suggested_area", suggested_area),
("sw_version", sw_version),
("via_device_id", via_device_id),
):
if value is not UNDEFINED and value != getattr(old, attr_name):
new_values[attr_name] = value
old_values[attr_name] = getattr(old, attr_name)
if old.is_new:
new_values["is_new"] = False
if not new_values:
return old
new = attr.evolve(old, **new_values)
self.devices[device_id] = new
# If its only run time attributes (suggested_area)
# that do not get saved we do not want to write
# to disk or fire an event as we would end up
# firing events for data we have nothing to compare
# against since its never saved on disk
if RUNTIME_ONLY_ATTRS.issuperset(new_values):
return new
self.async_schedule_save()
data: dict[str, Any] = {
"action": "create" if old.is_new else "update",
"device_id": new.id,
}
if not old.is_new:
data["changes"] = old_values
self.hass.bus.async_fire(EVENT_DEVICE_REGISTRY_UPDATED, data)
return new
@callback
def async_remove_device(self, device_id: str) -> None:
"""Remove a device from the device registry."""
device = self.devices.pop(device_id)
self.deleted_devices[device_id] = DeletedDeviceEntry(
config_entries=device.config_entries,
connections=device.connections,
identifiers=device.identifiers,
id=device.id,
orphaned_timestamp=None,
)
for other_device in list(self.devices.values()):
if other_device.via_device_id == device_id:
self.async_update_device(other_device.id, via_device_id=None)
self.hass.bus.async_fire(
EVENT_DEVICE_REGISTRY_UPDATED, {"action": "remove", "device_id": device_id}
)
self.async_schedule_save()
async def async_load(self) -> None:
"""Load the device registry."""
async_setup_cleanup(self.hass, self)
data = await self._store.async_load()
devices = ActiveDeviceRegistryItems()
deleted_devices: DeviceRegistryItems[DeletedDeviceEntry] = DeviceRegistryItems()
if data is not None:
for device in data["devices"]:
devices[device["id"]] = DeviceEntry(
area_id=device["area_id"],
config_entries=set(device["config_entries"]),
configuration_url=device["configuration_url"],
# type ignores (if tuple arg was cast): likely https://github.com/python/mypy/issues/8625
connections={
tuple(conn) # type: ignore[misc]
for conn in device["connections"]
},
disabled_by=DeviceEntryDisabler(device["disabled_by"])
if device["disabled_by"]
else None,
entry_type=DeviceEntryType(device["entry_type"])
if device["entry_type"]
else None,
hw_version=device["hw_version"],
id=device["id"],
identifiers={
tuple(iden) # type: ignore[misc]
for iden in device["identifiers"]
},
labels=set(device["labels"]),
manufacturer=device["manufacturer"],
model=device["model"],
name_by_user=device["name_by_user"],
name=device["name"],
serial_number=device["serial_number"],
sw_version=device["sw_version"],
via_device_id=device["via_device_id"],
)
# Introduced in 0.111
for device in data["deleted_devices"]:
deleted_devices[device["id"]] = DeletedDeviceEntry(
config_entries=set(device["config_entries"]),
connections={tuple(conn) for conn in device["connections"]},
identifiers={tuple(iden) for iden in device["identifiers"]},
id=device["id"],
orphaned_timestamp=device["orphaned_timestamp"],
)
self.devices = devices
self.deleted_devices = deleted_devices
self._device_data = devices.data
@callback
def _data_to_save(self) -> dict[str, Any]:
"""Return data of device registry to store in a file."""
return {
"devices": [entry.as_storage_fragment for entry in self.devices.values()],
"deleted_devices": [
entry.as_storage_fragment for entry in self.deleted_devices.values()
],
}
@callback
def async_clear_config_entry(self, config_entry_id: str) -> None:
"""Clear config entry from registry entries."""
now_time = time.time()
for device in list(self.devices.values()):
self.async_update_device(device.id, remove_config_entry_id=config_entry_id)
for deleted_device in list(self.deleted_devices.values()):
config_entries = deleted_device.config_entries
if config_entry_id not in config_entries:
continue
if config_entries == {config_entry_id}:
# Add a time stamp when the deleted device became orphaned
self.deleted_devices[deleted_device.id] = attr.evolve(
deleted_device, orphaned_timestamp=now_time, config_entries=set()
)
else:
config_entries = config_entries - {config_entry_id}
# No need to reindex here since we currently
# do not have a lookup by config entry
self.deleted_devices[deleted_device.id] = attr.evolve(
deleted_device, config_entries=config_entries
)
self.async_schedule_save()
@callback
def async_purge_expired_orphaned_devices(self) -> None:
"""Purge expired orphaned devices from the registry.
We need to purge these periodically to avoid the database
growing without bound.
"""
now_time = time.time()
for deleted_device in list(self.deleted_devices.values()):
if deleted_device.orphaned_timestamp is None:
continue
if (
deleted_device.orphaned_timestamp + ORPHANED_DEVICE_KEEP_SECONDS
< now_time
):
del self.deleted_devices[deleted_device.id]
@callback
def async_clear_area_id(self, area_id: str) -> None:
"""Clear area id from registry entries."""
for dev_id, device in self.devices.items():
if area_id == device.area_id:
self.async_update_device(dev_id, area_id=None)
@callback
def async_clear_label_id(self, label_id: str) -> None:
"""Clear label from registry entries."""
for device_id, entry in self.devices.items():
if label_id in entry.labels:
labels = entry.labels.copy()
labels.remove(label_id)
self.async_update_device(device_id, labels=labels)
@callback
def async_get(hass: HomeAssistant) -> DeviceRegistry:
"""Get device registry."""
return cast(DeviceRegistry, hass.data[DATA_REGISTRY])
async def async_load(hass: HomeAssistant) -> None:
"""Load device registry."""
assert DATA_REGISTRY not in hass.data
hass.data[DATA_REGISTRY] = DeviceRegistry(hass)
await hass.data[DATA_REGISTRY].async_load()
@callback
def async_entries_for_area(registry: DeviceRegistry, area_id: str) -> list[DeviceEntry]:
"""Return entries that match an area."""
return registry.devices.get_devices_for_area_id(area_id)
@callback
def async_entries_for_label(
registry: DeviceRegistry, label_id: str
) -> list[DeviceEntry]:
"""Return entries that match a label."""
return registry.devices.get_devices_for_label(label_id)
@callback
def async_entries_for_config_entry(
registry: DeviceRegistry, config_entry_id: str
) -> list[DeviceEntry]:
"""Return entries that match a config entry."""
return registry.devices.get_devices_for_config_entry_id(config_entry_id)
@callback
def async_config_entry_disabled_by_changed(
registry: DeviceRegistry, config_entry: ConfigEntry
) -> None:
"""Handle a config entry being disabled or enabled.
Disable devices in the registry that are associated with a config entry when
the config entry is disabled, enable devices in the registry that are associated
with a config entry when the config entry is enabled and the devices are marked
DeviceEntryDisabler.CONFIG_ENTRY.
Only disable a device if all associated config entries are disabled.
"""
devices = async_entries_for_config_entry(registry, config_entry.entry_id)
if not config_entry.disabled_by:
for device in devices:
if device.disabled_by is not DeviceEntryDisabler.CONFIG_ENTRY:
continue
registry.async_update_device(device.id, disabled_by=None)
return
enabled_config_entries = {
entry.entry_id
for entry in registry.hass.config_entries.async_entries()
if not entry.disabled_by
}
for device in devices:
if device.disabled:
# Device already disabled, do not overwrite
continue
if len(device.config_entries) > 1 and device.config_entries.intersection(
enabled_config_entries
):
continue
registry.async_update_device(
device.id, disabled_by=DeviceEntryDisabler.CONFIG_ENTRY
)
@callback
def async_cleanup(
hass: HomeAssistant,
dev_reg: DeviceRegistry,
ent_reg: entity_registry.EntityRegistry,
) -> None:
"""Clean up device registry."""
# Find all devices that are referenced by a config_entry.
config_entry_ids = set(hass.config_entries.async_entry_ids())
references_config_entries = {
device.id
for device in dev_reg.devices.values()
for config_entry_id in device.config_entries
if config_entry_id in config_entry_ids
}
# Find all devices that are referenced in the entity registry.
device_ids_referenced_by_entities = set(ent_reg.entities.get_device_ids())
orphan = (
set(dev_reg.devices)
- device_ids_referenced_by_entities
- references_config_entries
)
for dev_id in orphan:
dev_reg.async_remove_device(dev_id)
# Find all referenced config entries that no longer exist
# This shouldn't happen but have not been able to track down the bug :(
for device in list(dev_reg.devices.values()):
for config_entry_id in device.config_entries:
if config_entry_id not in config_entry_ids:
dev_reg.async_update_device(
device.id, remove_config_entry_id=config_entry_id
)
# Periodic purge of orphaned devices to avoid the registry
# growing without bounds when there are lots of deleted devices
dev_reg.async_purge_expired_orphaned_devices()
@callback
def async_setup_cleanup(hass: HomeAssistant, dev_reg: DeviceRegistry) -> None:
"""Clean up device registry when entities removed."""
# pylint: disable-next=import-outside-toplevel
from . import entity_registry, label_registry as lr
@callback
def _label_removed_from_registry_filter(
event_data: lr.EventLabelRegistryUpdatedData,
) -> bool:
"""Filter all except for the remove action from label registry events."""
return event_data["action"] == "remove"
@callback
def _handle_label_registry_update(event: lr.EventLabelRegistryUpdated) -> None:
"""Update devices that have a label that has been removed."""
dev_reg.async_clear_label_id(event.data["label_id"])
hass.bus.async_listen(
event_type=lr.EVENT_LABEL_REGISTRY_UPDATED,
event_filter=_label_removed_from_registry_filter,
listener=_handle_label_registry_update,
run_immediately=True,
)
@callback
def _async_cleanup() -> None:
"""Cleanup."""
ent_reg = entity_registry.async_get(hass)
async_cleanup(hass, dev_reg, ent_reg)
debounced_cleanup: Debouncer[None] = Debouncer(
hass, _LOGGER, cooldown=CLEANUP_DELAY, immediate=False, function=_async_cleanup
)
@callback
def _async_entity_registry_changed(event: Event) -> None:
"""Handle entity updated or removed dispatch."""
debounced_cleanup.async_schedule_call()
@callback
def entity_registry_changed_filter(event_data: Mapping[str, Any]) -> bool:
"""Handle entity updated or removed filter."""
if (
event_data["action"] == "update"
and "device_id" not in event_data["changes"]
) or event_data["action"] == "create":
return False
return True
if hass.is_running:
hass.bus.async_listen(
entity_registry.EVENT_ENTITY_REGISTRY_UPDATED,
_async_entity_registry_changed,
event_filter=entity_registry_changed_filter,
run_immediately=True,
)
return
async def startup_clean(event: Event) -> None:
"""Clean up on startup."""
hass.bus.async_listen(
entity_registry.EVENT_ENTITY_REGISTRY_UPDATED,
_async_entity_registry_changed,
event_filter=entity_registry_changed_filter,
run_immediately=True,
)
await debounced_cleanup.async_call()
hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_STARTED, startup_clean, run_immediately=True
)
@callback
def _on_homeassistant_stop(event: Event) -> None:
"""Cancel debounced cleanup."""
debounced_cleanup.async_cancel()
hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, _on_homeassistant_stop)
def _normalize_connections(connections: set[tuple[str, str]]) -> set[tuple[str, str]]:
"""Normalize connections to ensure we can match mac addresses."""
return {
(key, format_mac(value)) if key == CONNECTION_NETWORK_MAC else (key, value)
for key, value in connections
}
# These can be removed if no deprecated constant are in this module anymore
__getattr__ = partial(check_if_deprecated_constant, module_globals=globals())
__dir__ = partial(
dir_with_deprecated_constants, module_globals_keys=[*globals().keys()]
)
__all__ = all_with_deprecated_constants(globals())
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