python-kasa/kasa/tapo/tapoplug.py

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"""Module for a TAPO Plug."""
import logging
from datetime import datetime, timedelta
from typing import Any, Dict, Optional, cast
from ..credentials import Credentials
from ..emeterstatus import EmeterStatus
from ..smartdevice import DeviceType
from .tapodevice import TapoDevice
_LOGGER = logging.getLogger(__name__)
class TapoPlug(TapoDevice):
"""Class to represent a TAPO Plug."""
def __init__(
self,
host: str,
*,
port: Optional[int] = None,
credentials: Optional[Credentials] = None,
timeout: Optional[int] = None,
) -> None:
super().__init__(host, port=port, credentials=credentials, timeout=timeout)
self._device_type = DeviceType.Plug
async def update(self, update_children: bool = True):
"""Call the device endpoint and update the device data."""
await super().update(update_children)
self._energy = await self.protocol.query("get_energy_usage")
self._emeter = await self.protocol.query("get_current_power")
self._data["energy"] = self._energy
self._data["emeter"] = self._emeter
_LOGGER.debug("Got an update: %s %s", self._energy, self._emeter)
@property
def state_information(self) -> Dict[str, Any]:
"""Return the key state information."""
return {
**super().state_information,
**{
"On since": self.on_since,
"auto_off_status": self._info.get("auto_off_status"),
"auto_off_remain_time": self._info.get("auto_off_remain_time"),
},
}
@property
def emeter_realtime(self) -> EmeterStatus:
"""Get the emeter status."""
return EmeterStatus({"power_mw": self._energy.get("current_power")})
@property
def emeter_today(self) -> Optional[float]:
"""Get the emeter value for today."""
return None
@property
def emeter_this_month(self) -> Optional[float]:
"""Get the emeter value for this month."""
return None
@property
def on_since(self) -> Optional[datetime]:
"""Return the time that the device was turned on or None if turned off."""
if not self._info.get("device_on"):
return None
on_time = cast(float, self._info.get("on_time"))
return datetime.now().replace(microsecond=0) - timedelta(seconds=on_time)