mirror of
https://github.com/python-kasa/python-kasa.git
synced 2024-12-23 03:33:35 +00:00
9989d0f6ec
Adds a post update hook to modules so they can calculate values and collections once rather than on each property access
655 lines
23 KiB
Python
655 lines
23 KiB
Python
"""Module for a SMART device."""
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from __future__ import annotations
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import base64
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import logging
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from datetime import datetime, timedelta
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from typing import TYPE_CHECKING, Any, Mapping, Sequence, cast
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from ..aestransport import AesTransport
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from ..device import Device, WifiNetwork
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from ..device_type import DeviceType
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from ..deviceconfig import DeviceConfig
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from ..emeterstatus import EmeterStatus
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from ..exceptions import AuthenticationError, DeviceError, KasaException, SmartErrorCode
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from ..feature import Feature
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from ..module import Module
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from ..modulemapping import ModuleMapping, ModuleName
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from ..smartprotocol import SmartProtocol
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from .modules import (
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Cloud,
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DeviceModule,
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Firmware,
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Light,
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Time,
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)
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from .smartmodule import SmartModule
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_LOGGER = logging.getLogger(__name__)
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# List of modules that wall switches with children, i.e. ks240 report on
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# the child but only work on the parent. See longer note below in _initialize_modules.
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# This list should be updated when creating new modules that could have the
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# same issue, homekit perhaps?
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WALL_SWITCH_PARENT_ONLY_MODULES = [DeviceModule, Time, Firmware, Cloud]
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# Device must go last as the other interfaces also inherit Device
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# and python needs a consistent method resolution order.
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class SmartDevice(Device):
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"""Base class to represent a SMART protocol based device."""
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def __init__(
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self,
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host: str,
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*,
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config: DeviceConfig | None = None,
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protocol: SmartProtocol | None = None,
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) -> None:
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_protocol = protocol or SmartProtocol(
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transport=AesTransport(config=config or DeviceConfig(host=host)),
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)
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super().__init__(host=host, config=config, protocol=_protocol)
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self.protocol: SmartProtocol
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self._components_raw: dict[str, Any] | None = None
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self._components: dict[str, int] = {}
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self._state_information: dict[str, Any] = {}
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self._modules: dict[str | ModuleName[Module], SmartModule] = {}
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self._exposes_child_modules = False
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self._parent: SmartDevice | None = None
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self._children: Mapping[str, SmartDevice] = {}
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self._last_update = {}
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async def _initialize_children(self):
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"""Initialize children for power strips."""
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child_info_query = {
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"get_child_device_component_list": None,
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"get_child_device_list": None,
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}
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resp = await self.protocol.query(child_info_query)
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self.internal_state.update(resp)
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children = self.internal_state["get_child_device_list"]["child_device_list"]
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children_components = {
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child["device_id"]: {
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comp["id"]: int(comp["ver_code"]) for comp in child["component_list"]
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}
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for child in self.internal_state["get_child_device_component_list"][
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"child_component_list"
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]
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}
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from .smartchilddevice import SmartChildDevice
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self._children = {
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child_info["device_id"]: await SmartChildDevice.create(
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parent=self,
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child_info=child_info,
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child_components=children_components[child_info["device_id"]],
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)
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for child_info in children
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}
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@property
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def children(self) -> Sequence[SmartDevice]:
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"""Return list of children."""
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return list(self._children.values())
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@property
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def modules(self) -> ModuleMapping[SmartModule]:
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"""Return the device modules."""
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if self._exposes_child_modules:
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modules = {k: v for k, v in self._modules.items()}
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for child in self._children.values():
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for k, v in child._modules.items():
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if k not in modules:
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modules[k] = v
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if TYPE_CHECKING:
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return cast(ModuleMapping[SmartModule], modules)
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return modules
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if TYPE_CHECKING: # Needed for python 3.8
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return cast(ModuleMapping[SmartModule], self._modules)
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return self._modules
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def _try_get_response(self, responses: dict, request: str, default=None) -> dict:
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response = responses.get(request)
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if isinstance(response, SmartErrorCode):
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_LOGGER.debug(
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"Error %s getting request %s for device %s",
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response,
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request,
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self.host,
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)
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response = None
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if response is not None:
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return response
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if default is not None:
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return default
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raise KasaException(
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f"{request} not found in {responses} for device {self.host}"
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)
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async def _negotiate(self):
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"""Perform initialization.
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We fetch the device info and the available components as early as possible.
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If the device reports supporting child devices, they are also initialized.
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"""
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initial_query = {
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"component_nego": None,
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"get_device_info": None,
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"get_connect_cloud_state": None,
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}
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resp = await self.protocol.query(initial_query)
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# Save the initial state to allow modules access the device info already
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# during the initialization, which is necessary as some information like the
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# supported color temperature range is contained within the response.
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self._last_update.update(resp)
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self._info = self._try_get_response(resp, "get_device_info")
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# Create our internal presentation of available components
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self._components_raw = resp["component_nego"]
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self._components = {
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comp["id"]: int(comp["ver_code"])
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for comp in self._components_raw["component_list"]
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}
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if "child_device" in self._components and not self.children:
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await self._initialize_children()
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async def update(self, update_children: bool = True):
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"""Update the device."""
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if self.credentials is None and self.credentials_hash is None:
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raise AuthenticationError("Tapo plug requires authentication.")
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if self._components_raw is None:
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await self._negotiate()
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await self._initialize_modules()
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req: dict[str, Any] = {}
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# TODO: this could be optimized by constructing the query only once
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for module in self._modules.values():
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req.update(module.query())
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self._last_update = resp = await self.protocol.query(req)
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self._info = self._try_get_response(resp, "get_device_info")
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if child_info := self._try_get_response(resp, "get_child_device_list", {}):
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# TODO: we don't currently perform queries on children based on modules,
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# but just update the information that is returned in the main query.
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for info in child_info["child_device_list"]:
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self._children[info["device_id"]]._update_internal_state(info)
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# Call handle update for modules that want to update internal data
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for module in self._modules.values():
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module._post_update_hook()
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for child in self._children.values():
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for child_module in child._modules.values():
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child_module._post_update_hook()
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# We can first initialize the features after the first update.
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# We make here an assumption that every device has at least a single feature.
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if not self._features:
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await self._initialize_features()
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_LOGGER.debug("Got an update: %s", self._last_update)
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async def _initialize_modules(self):
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"""Initialize modules based on component negotiation response."""
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from .smartmodule import SmartModule
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# Some wall switches (like ks240) are internally presented as having child
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# devices which report the child's components on the parent's sysinfo, even
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# when they need to be accessed through the children.
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# The logic below ensures that such devices add all but whitelisted, only on
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# the child device.
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skip_parent_only_modules = False
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child_modules_to_skip = {}
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if self._parent and self._parent.device_type == DeviceType.WallSwitch:
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skip_parent_only_modules = True
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elif self._children and self.device_type == DeviceType.WallSwitch:
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# _initialize_modules is called on the parent after the children
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self._exposes_child_modules = True
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for child in self._children.values():
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child_modules_to_skip.update(**child.modules)
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for mod in SmartModule.REGISTERED_MODULES.values():
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_LOGGER.debug("%s requires %s", mod, mod.REQUIRED_COMPONENT)
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if (
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skip_parent_only_modules and mod in WALL_SWITCH_PARENT_ONLY_MODULES
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) or mod.__name__ in child_modules_to_skip:
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continue
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if (
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mod.REQUIRED_COMPONENT in self._components
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or self.sys_info.get(mod.REQUIRED_KEY_ON_PARENT) is not None
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):
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_LOGGER.debug(
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"Found required %s, adding %s to modules.",
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mod.REQUIRED_COMPONENT,
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mod.__name__,
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)
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module = mod(self, mod.REQUIRED_COMPONENT)
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if await module._check_supported():
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self._modules[module.name] = module
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if (
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Module.Brightness in self._modules
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or Module.Color in self._modules
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or Module.ColorTemperature in self._modules
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):
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self._modules[Light.__name__] = Light(self, "light")
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async def _initialize_features(self):
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"""Initialize device features."""
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self._add_feature(
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Feature(
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self,
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id="device_id",
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name="Device ID",
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attribute_getter="device_id",
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category=Feature.Category.Debug,
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)
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)
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if "device_on" in self._info:
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self._add_feature(
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Feature(
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self,
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id="state",
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name="State",
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attribute_getter="is_on",
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attribute_setter="set_state",
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type=Feature.Type.Switch,
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category=Feature.Category.Primary,
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)
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)
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if "signal_level" in self._info:
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self._add_feature(
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Feature(
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self,
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id="signal_level",
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name="Signal Level",
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attribute_getter=lambda x: x._info["signal_level"],
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icon="mdi:signal",
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category=Feature.Category.Info,
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)
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)
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if "rssi" in self._info:
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self._add_feature(
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Feature(
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self,
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id="rssi",
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name="RSSI",
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attribute_getter=lambda x: x._info["rssi"],
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icon="mdi:signal",
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category=Feature.Category.Debug,
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)
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)
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if "ssid" in self._info:
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self._add_feature(
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Feature(
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device=self,
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id="ssid",
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name="SSID",
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attribute_getter="ssid",
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icon="mdi:wifi",
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category=Feature.Category.Debug,
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)
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)
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if "overheated" in self._info:
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self._add_feature(
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Feature(
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self,
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id="overheated",
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name="Overheated",
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attribute_getter=lambda x: x._info["overheated"],
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icon="mdi:heat-wave",
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type=Feature.Type.BinarySensor,
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category=Feature.Category.Info,
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)
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)
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# We check for the key available, and not for the property truthiness,
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# as the value is falsy when the device is off.
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if "on_time" in self._info:
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self._add_feature(
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Feature(
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device=self,
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id="on_since",
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name="On since",
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attribute_getter="on_since",
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icon="mdi:clock",
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category=Feature.Category.Info,
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)
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)
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for module in self.modules.values():
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# Check if module features have already been initialized.
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# i.e. when _exposes_child_modules is true
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if not module._module_features:
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module._initialize_features()
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for feat in module._module_features.values():
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self._add_feature(feat)
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for child in self._children.values():
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await child._initialize_features()
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@property
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def is_cloud_connected(self) -> bool:
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"""Returns if the device is connected to the cloud."""
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if Module.Cloud not in self.modules:
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return False
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return self.modules[Module.Cloud].is_connected
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@property
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def sys_info(self) -> dict[str, Any]:
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"""Returns the device info."""
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return self._info # type: ignore
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@property
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def model(self) -> str:
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"""Returns the device model."""
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return str(self._info.get("model"))
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@property
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def alias(self) -> str | None:
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"""Returns the device alias or nickname."""
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if self._info and (nickname := self._info.get("nickname")):
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return base64.b64decode(nickname).decode()
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else:
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return None
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@property
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def time(self) -> datetime:
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"""Return the time."""
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# TODO: Default to parent's time module for child devices
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if self._parent and Module.Time in self.modules:
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_timemod = self._parent.modules[Module.Time]
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else:
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_timemod = self.modules[Module.Time]
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return _timemod.time
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@property
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def timezone(self) -> dict:
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"""Return the timezone and time_difference."""
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ti = self.time
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return {"timezone": ti.tzname()}
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@property
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def hw_info(self) -> dict:
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"""Return hardware info for the device."""
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return {
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"sw_ver": self._info.get("fw_ver"),
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"hw_ver": self._info.get("hw_ver"),
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"mac": self._info.get("mac"),
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"type": self._info.get("type"),
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"hwId": self._info.get("device_id"),
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"dev_name": self.alias,
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"oemId": self._info.get("oem_id"),
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}
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@property
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def location(self) -> dict:
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"""Return the device location."""
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loc = {
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"latitude": cast(float, self._info.get("latitude", 0)) / 10_000,
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"longitude": cast(float, self._info.get("longitude", 0)) / 10_000,
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}
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return loc
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@property
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def rssi(self) -> int | None:
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"""Return the rssi."""
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rssi = self._info.get("rssi")
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return int(rssi) if rssi else None
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@property
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def mac(self) -> str:
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"""Return the mac formatted with colons."""
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return str(self._info.get("mac")).replace("-", ":")
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@property
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def device_id(self) -> str:
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"""Return the device id."""
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return str(self._info.get("device_id"))
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@property
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def internal_state(self) -> Any:
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"""Return all the internal state data."""
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return self._last_update
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def _update_internal_state(self, info):
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"""Update the internal info state.
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This is used by the parent to push updates to its children.
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"""
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self._info = info
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async def _query_helper(
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self, method: str, params: dict | None = None, child_ids=None
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) -> Any:
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res = await self.protocol.query({method: params})
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return res
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@property
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def ssid(self) -> str:
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"""Return ssid of the connected wifi ap."""
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ssid = self._info.get("ssid")
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ssid = base64.b64decode(ssid).decode() if ssid else "No SSID"
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return ssid
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@property
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def has_emeter(self) -> bool:
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"""Return if the device has emeter."""
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return Module.Energy in self.modules
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@property
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def is_on(self) -> bool:
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"""Return true if the device is on."""
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return bool(self._info.get("device_on"))
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async def set_state(self, on: bool): # TODO: better name wanted.
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"""Set the device state.
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See :meth:`is_on`.
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"""
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return await self.protocol.query({"set_device_info": {"device_on": on}})
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async def turn_on(self, **kwargs):
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"""Turn on the device."""
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await self.set_state(True)
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async def turn_off(self, **kwargs):
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"""Turn off the device."""
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await self.set_state(False)
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def update_from_discover_info(self, info):
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"""Update state from info from the discover call."""
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self._discovery_info = info
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self._info = info
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async def get_emeter_realtime(self) -> EmeterStatus:
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"""Retrieve current energy readings."""
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_LOGGER.warning("Deprecated, use `emeter_realtime`.")
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if not self.has_emeter:
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raise KasaException("Device has no emeter")
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return self.emeter_realtime
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@property
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def emeter_realtime(self) -> EmeterStatus:
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"""Get the emeter status."""
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energy = self.modules[Module.Energy]
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return energy.emeter_realtime
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@property
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def emeter_this_month(self) -> float | None:
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"""Get the emeter value for this month."""
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energy = self.modules[Module.Energy]
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return energy.emeter_this_month
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@property
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def emeter_today(self) -> float | None:
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"""Get the emeter value for today."""
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energy = self.modules[Module.Energy]
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return energy.emeter_today
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@property
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def on_since(self) -> datetime | None:
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"""Return the time that the device was turned on or None if turned off."""
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if (
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not self._info.get("device_on")
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or (on_time := self._info.get("on_time")) is None
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):
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return None
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on_time = cast(float, on_time)
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if (timemod := self.modules.get(Module.Time)) is not None:
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return timemod.time - timedelta(seconds=on_time)
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else: # We have no device time, use current local time.
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return datetime.now().replace(microsecond=0) - timedelta(seconds=on_time)
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async def wifi_scan(self) -> list[WifiNetwork]:
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"""Scan for available wifi networks."""
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def _net_for_scan_info(res):
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return WifiNetwork(
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ssid=base64.b64decode(res["ssid"]).decode(),
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cipher_type=res["cipher_type"],
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key_type=res["key_type"],
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channel=res["channel"],
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signal_level=res["signal_level"],
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bssid=res["bssid"],
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)
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_LOGGER.debug("Querying networks")
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resp = await self.protocol.query({"get_wireless_scan_info": {"start_index": 0}})
|
|
networks = [
|
|
_net_for_scan_info(net) for net in resp["get_wireless_scan_info"]["ap_list"]
|
|
]
|
|
return networks
|
|
|
|
async def wifi_join(self, ssid: str, password: str, keytype: str = "wpa2_psk"):
|
|
"""Join the given wifi network.
|
|
|
|
This method returns nothing as the device tries to activate the new
|
|
settings immediately instead of responding to the request.
|
|
|
|
If joining the network fails, the device will return to the previous state
|
|
after some delay.
|
|
"""
|
|
if not self.credentials:
|
|
raise AuthenticationError("Device requires authentication.")
|
|
|
|
payload = {
|
|
"account": {
|
|
"username": base64.b64encode(
|
|
self.credentials.username.encode()
|
|
).decode(),
|
|
"password": base64.b64encode(
|
|
self.credentials.password.encode()
|
|
).decode(),
|
|
},
|
|
"wireless": {
|
|
"key_type": keytype,
|
|
"password": base64.b64encode(password.encode()).decode(),
|
|
"ssid": base64.b64encode(ssid.encode()).decode(),
|
|
},
|
|
"time": self.internal_state["get_device_time"],
|
|
}
|
|
|
|
# The device does not respond to the request but changes the settings
|
|
# immediately which causes us to timeout.
|
|
# Thus, We limit retries and suppress the raised exception as useless.
|
|
try:
|
|
return await self.protocol.query({"set_qs_info": payload}, retry_count=0)
|
|
except DeviceError:
|
|
raise # Re-raise on device-reported errors
|
|
except KasaException:
|
|
_LOGGER.debug("Received an expected for wifi join, but this is expected")
|
|
|
|
async def update_credentials(self, username: str, password: str):
|
|
"""Update device credentials.
|
|
|
|
This will replace the existing authentication credentials on the device.
|
|
"""
|
|
time_data = self.internal_state["get_device_time"]
|
|
payload = {
|
|
"account": {
|
|
"username": base64.b64encode(username.encode()).decode(),
|
|
"password": base64.b64encode(password.encode()).decode(),
|
|
},
|
|
"time": time_data,
|
|
}
|
|
return await self.protocol.query({"set_qs_info": payload})
|
|
|
|
async def set_alias(self, alias: str):
|
|
"""Set the device name (alias)."""
|
|
return await self.protocol.query(
|
|
{"set_device_info": {"nickname": base64.b64encode(alias.encode()).decode()}}
|
|
)
|
|
|
|
async def reboot(self, delay: int = 1) -> None:
|
|
"""Reboot the device.
|
|
|
|
Note that giving a delay of zero causes this to block,
|
|
as the device reboots immediately without responding to the call.
|
|
"""
|
|
await self.protocol.query({"device_reboot": {"delay": delay}})
|
|
|
|
async def factory_reset(self) -> None:
|
|
"""Reset device back to factory settings.
|
|
|
|
Note, this does not downgrade the firmware.
|
|
"""
|
|
await self.protocol.query("device_reset")
|
|
|
|
@property
|
|
def device_type(self) -> DeviceType:
|
|
"""Return the device type."""
|
|
if self._device_type is not DeviceType.Unknown:
|
|
return self._device_type
|
|
|
|
self._device_type = self._get_device_type_from_components(
|
|
list(self._components.keys()), self._info["type"]
|
|
)
|
|
|
|
return self._device_type
|
|
|
|
@staticmethod
|
|
def _get_device_type_from_components(
|
|
components: list[str], device_type: str
|
|
) -> DeviceType:
|
|
"""Find type to be displayed as a supported device category."""
|
|
if "HUB" in device_type:
|
|
return DeviceType.Hub
|
|
if "PLUG" in device_type:
|
|
if "child_device" in components:
|
|
return DeviceType.Strip
|
|
return DeviceType.Plug
|
|
if "light_strip" in components:
|
|
return DeviceType.LightStrip
|
|
if "SWITCH" in device_type and "child_device" in components:
|
|
return DeviceType.WallSwitch
|
|
if "dimmer_calibration" in components:
|
|
return DeviceType.Dimmer
|
|
if "brightness" in components:
|
|
return DeviceType.Bulb
|
|
if "SWITCH" in device_type:
|
|
return DeviceType.WallSwitch
|
|
if "SENSOR" in device_type:
|
|
return DeviceType.Sensor
|
|
if "ENERGY" in device_type:
|
|
return DeviceType.Thermostat
|
|
_LOGGER.warning("Unknown device type, falling back to plug")
|
|
return DeviceType.Plug
|