Files
localtuya-modded/custom_components/localtuya/switch.py

280 lines
7.9 KiB
Python

"""
Simple platform to control LOCALLY Tuya switch devices.
Sample config yaml
switch:
- platform: localtuya
host: 192.168.0.1
local_key: 1234567891234567
device_id: 12345678912345671234
name: tuya_01
friendly_name: tuya_01
protocol_version: 3.3
switches:
sw01:
name: main_plug
friendly_name: Main Plug
id: 1
current: 18
current_consumption: 19
voltage: 20
sw02:
name: usb_plug
friendly_name: USB Plug
id: 7
"""
import logging
from time import time, sleep
from threading import Lock
import voluptuous as vol
from homeassistant.components.switch import (
SwitchEntity,
PLATFORM_SCHEMA,
)
from homeassistant.const import (
CONF_ID,
CONF_SWITCHES,
CONF_FRIENDLY_NAME,
CONF_NAME,
)
import homeassistant.helpers.config_validation as cv
from . import BASE_PLATFORM_SCHEMA, prepare_setup_entities, import_from_yaml
from .const import (
ATTR_CURRENT,
ATTR_CURRENT_CONSUMPTION,
ATTR_VOLTAGE,
CONF_CURRENT,
CONF_CURRENT_CONSUMPTION,
CONF_VOLTAGE,
)
from .pytuya import TuyaDevice
_LOGGER = logging.getLogger(__name__)
PLATFORM = "switch"
DEFAULT_ID = "1"
# TODO: This will eventully merge with flow_schema
SWITCH_SCHEMA = vol.Schema(
{
vol.Optional(CONF_ID, default=DEFAULT_ID): cv.string,
vol.Optional(CONF_NAME): cv.string, # Deprecated: not used
vol.Required(CONF_FRIENDLY_NAME): cv.string,
vol.Optional(CONF_CURRENT, default="-1"): cv.string,
vol.Optional(CONF_CURRENT_CONSUMPTION, default="-1"): cv.string,
vol.Optional(CONF_VOLTAGE, default="-1"): cv.string,
}
)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(BASE_PLATFORM_SCHEMA).extend(
{
vol.Optional(CONF_CURRENT, default="-1"): cv.string,
vol.Optional(CONF_CURRENT_CONSUMPTION, default="-1"): cv.string,
vol.Optional(CONF_VOLTAGE, default="-1"): cv.string,
vol.Optional(CONF_SWITCHES, default={}): vol.Schema({cv.slug: SWITCH_SCHEMA}),
}
)
def flow_schema(dps):
"""Return schema used in config flow."""
return {
vol.Optional(CONF_CURRENT): vol.In(dps),
vol.Optional(CONF_CURRENT_CONSUMPTION): vol.In(dps),
vol.Optional(CONF_VOLTAGE): vol.In(dps),
}
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Setup a Tuya switch based on a config entry."""
device, entities_to_setup = prepare_setup_entities(
config_entry, PLATFORM
)
if not entities_to_setup:
return
switches = []
for device_config in entities_to_setup:
switches.append(
LocaltuyaSwitch(
TuyaCache(device),
device_config[CONF_FRIENDLY_NAME],
device_config[CONF_ID],
device_config.get(CONF_CURRENT),
device_config.get(CONF_CURRENT_CONSUMPTION),
device_config.get(CONF_VOLTAGE),
)
)
async_add_entities(switches, True)
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up of the Tuya switch."""
return import_from_yaml(hass, config, PLATFORM)
class TuyaCache:
"""Cache wrapper for pytuya.TuyaDevice"""
def __init__(self, device):
"""Initialize the cache."""
self._cached_status = ""
self._cached_status_time = 0
self._device = device
self._lock = Lock()
@property
def unique_id(self):
"""Return unique device identifier."""
return self._device.id
def __get_status(self):
for i in range(5):
try:
status = self._device.status()
return status
except Exception:
print(
"Failed to update status of device [{}]".format(
self._device.address
)
)
sleep(1.0)
if i + 1 == 3:
_LOGGER.error(
"Failed to update status of device %s", self._device.address
)
# return None
raise ConnectionError("Failed to update status .")
def set_dps(self, state, dps_index):
"""Change the Tuya switch status and clear the cache."""
self._cached_status = ""
self._cached_status_time = 0
for i in range(5):
try:
return self._device.set_dps(state, dps_index)
except Exception:
print(
"Failed to set status of device [{}]".format(self._device.address)
)
if i + 1 == 3:
_LOGGER.error(
"Failed to set status of device %s", self._device.address
)
return
# raise ConnectionError("Failed to set status.")
def status(self):
"""Get state of Tuya switch and cache the results."""
self._lock.acquire()
try:
now = time()
if not self._cached_status or now - self._cached_status_time > 15:
sleep(0.5)
self._cached_status = self.__get_status()
self._cached_status_time = time()
return self._cached_status
finally:
self._lock.release()
class LocaltuyaSwitch(SwitchEntity):
"""Representation of a Tuya switch."""
def __init__(
self,
device,
friendly_name,
switchid,
attr_current,
attr_consumption,
attr_voltage,
):
"""Initialize the Tuya switch."""
self._device = device
self._name = friendly_name
self._available = False
self._switch_id = switchid
self._attr_current = attr_current
self._attr_consumption = attr_consumption
self._attr_voltage = attr_voltage
self._status = None
self._state = None
print(
"Initialized tuya switch [{}] with switch status [{}] and state [{}]".format(
self._name, self._status, self._state
)
)
@property
def device_info(self):
return {
"identifiers": {
# Serial numbers are unique identifiers within a specific domain
("LocalTuya", f"local_{self._device.unique_id}")
},
"name": self._device._device.friendly_name,
"manufacturer": "Tuya generic",
"model": "SmartSwitch",
"sw_version": "3.3",
}
@property
def name(self):
"""Get name of Tuya switch."""
return self._name
@property
def unique_id(self):
"""Return unique device identifier."""
return f"local_{self._device.unique_id}_{self._switch_id}"
@property
def available(self):
"""Return if device is available or not."""
return self._available
@property
def is_on(self):
"""Check if Tuya switch is on."""
return self._state
@property
def device_state_attributes(self):
attrs = {}
if self._attr_current:
attrs[ATTR_CURRENT] = self._status["dps"][self._attr_current]
if self._attr_consumption:
attrs[ATTR_CURRENT_CONSUMPTION] = (
self._status["dps"][self._attr_consumption] / 10
)
if self._attr_voltage:
attrs[ATTR_VOLTAGE] = self._status["dps"][self._attr_voltage] / 10
return attrs
def turn_on(self, **kwargs):
"""Turn Tuya switch on."""
self._device.set_dps(True, self._switch_id)
def turn_off(self, **kwargs):
"""Turn Tuya switch off."""
self._device.set_dps(False, self._switch_id)
def update(self):
"""Get state of Tuya switch."""
try:
self._status = self._device.status()
self._state = self._status["dps"][self._switch_id]
except Exception:
self._available = False
else:
self._available = True