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broadlink.py
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broadlink.py
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"""
Support for Broadlink RM devices.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/switch.broadlink/
"""
import asyncio
from base64 import b64decode, b64encode
import binascii
from datetime import timedelta
import logging
import socket
import voluptuous as vol
from homeassistant.components.switch import (
DOMAIN, PLATFORM_SCHEMA, SwitchDevice, ENTITY_ID_FORMAT)
from homeassistant.const import (
CONF_COMMAND_OFF, CONF_COMMAND_ON, CONF_FRIENDLY_NAME, CONF_HOST, CONF_MAC,
CONF_SWITCHES, CONF_TIMEOUT, CONF_TYPE)
import homeassistant.helpers.config_validation as cv
from homeassistant.util import Throttle, slugify
from homeassistant.util.dt import utcnow
REQUIREMENTS = ['broadlink==0.9.0']
_LOGGER = logging.getLogger(__name__)
TIME_BETWEEN_UPDATES = timedelta(seconds=5)
DEFAULT_NAME = 'Broadlink switch'
DEFAULT_TIMEOUT = 10
DEFAULT_RETRY = 3
SERVICE_LEARN = 'broadlink_learn_command'
SERVICE_SEND = 'broadlink_send_packet'
CONF_SLOTS = 'slots'
RM_TYPES = ['rm', 'rm2', 'rm_mini', 'rm_pro_phicomm', 'rm2_home_plus',
'rm2_home_plus_gdt', 'rm2_pro_plus', 'rm2_pro_plus2',
'rm2_pro_plus_bl', 'rm_mini_shate']
SP1_TYPES = ['sp1']
SP2_TYPES = ['sp2', 'honeywell_sp2', 'sp3', 'spmini2', 'spminiplus']
MP1_TYPES = ['mp1']
SWITCH_TYPES = RM_TYPES + SP1_TYPES + SP2_TYPES + MP1_TYPES
SWITCH_SCHEMA = vol.Schema({
vol.Optional(CONF_COMMAND_OFF): cv.string,
vol.Optional(CONF_COMMAND_ON): cv.string,
vol.Optional(CONF_FRIENDLY_NAME): cv.string,
})
MP1_SWITCH_SLOT_SCHEMA = vol.Schema({
vol.Optional('slot_1'): cv.string,
vol.Optional('slot_2'): cv.string,
vol.Optional('slot_3'): cv.string,
vol.Optional('slot_4'): cv.string
})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Optional(CONF_SWITCHES, default={}):
vol.Schema({cv.slug: SWITCH_SCHEMA}),
vol.Optional(CONF_SLOTS, default={}): MP1_SWITCH_SLOT_SCHEMA,
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_MAC): cv.string,
vol.Optional(CONF_FRIENDLY_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_TYPE, default=SWITCH_TYPES[0]): vol.In(SWITCH_TYPES),
vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int
})
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Broadlink switches."""
import broadlink
devices = config.get(CONF_SWITCHES)
slots = config.get('slots', {})
ip_addr = config.get(CONF_HOST)
friendly_name = config.get(CONF_FRIENDLY_NAME)
mac_addr = binascii.unhexlify(
config.get(CONF_MAC).encode().replace(b':', b''))
switch_type = config.get(CONF_TYPE)
async def _learn_command(call):
"""Handle a learn command."""
try:
auth = await hass.async_add_job(broadlink_device.auth)
except socket.timeout:
_LOGGER.error("Failed to connect to device, timeout")
return
if not auth:
_LOGGER.error("Failed to connect to device")
return
await hass.async_add_job(broadlink_device.enter_learning)
_LOGGER.info("Press the key you want Home Assistant to learn")
start_time = utcnow()
while (utcnow() - start_time) < timedelta(seconds=20):
packet = await hass.async_add_job(
broadlink_device.check_data)
if packet:
log_msg = "Received packet is: {}".\
format(b64encode(packet).decode('utf8'))
_LOGGER.info(log_msg)
hass.components.persistent_notification.async_create(
log_msg, title='Broadlink switch')
return
await asyncio.sleep(1, loop=hass.loop)
_LOGGER.error("Did not received any signal")
hass.components.persistent_notification.async_create(
"Did not received any signal", title='Broadlink switch')
async def _send_packet(call):
"""Send a packet."""
packets = call.data.get('packet', [])
for packet in packets:
for retry in range(DEFAULT_RETRY):
try:
extra = len(packet) % 4
if extra > 0:
packet = packet + ('=' * (4 - extra))
payload = b64decode(packet)
await hass.async_add_job(
broadlink_device.send_data, payload)
break
except (socket.timeout, ValueError):
try:
await hass.async_add_job(
broadlink_device.auth)
except socket.timeout:
if retry == DEFAULT_RETRY-1:
_LOGGER.error("Failed to send packet to device")
def _get_mp1_slot_name(switch_friendly_name, slot):
"""Get slot name."""
if not slots['slot_{}'.format(slot)]:
return '{} slot {}'.format(switch_friendly_name, slot)
return slots['slot_{}'.format(slot)]
if switch_type in RM_TYPES:
broadlink_device = broadlink.rm((ip_addr, 80), mac_addr, None)
hass.services.register(DOMAIN, SERVICE_LEARN + '_' +
slugify(ip_addr.replace('.', '_')),
_learn_command)
hass.services.register(DOMAIN, SERVICE_SEND + '_' +
slugify(ip_addr.replace('.', '_')),
_send_packet,
vol.Schema({'packet': cv.ensure_list}))
switches = []
for object_id, device_config in devices.items():
switches.append(
BroadlinkRMSwitch(
object_id,
device_config.get(CONF_FRIENDLY_NAME, object_id),
broadlink_device,
device_config.get(CONF_COMMAND_ON),
device_config.get(CONF_COMMAND_OFF)
)
)
elif switch_type in SP1_TYPES:
broadlink_device = broadlink.sp1((ip_addr, 80), mac_addr, None)
switches = [BroadlinkSP1Switch(friendly_name, broadlink_device)]
elif switch_type in SP2_TYPES:
broadlink_device = broadlink.sp2((ip_addr, 80), mac_addr, None)
switches = [BroadlinkSP2Switch(friendly_name, broadlink_device)]
elif switch_type in MP1_TYPES:
switches = []
broadlink_device = broadlink.mp1((ip_addr, 80), mac_addr, None)
parent_device = BroadlinkMP1Switch(broadlink_device)
for i in range(1, 5):
slot = BroadlinkMP1Slot(
_get_mp1_slot_name(friendly_name, i),
broadlink_device, i, parent_device)
switches.append(slot)
broadlink_device.timeout = config.get(CONF_TIMEOUT)
try:
broadlink_device.auth()
except socket.timeout:
_LOGGER.error("Failed to connect to device")
add_entities(switches)
class BroadlinkRMSwitch(SwitchDevice):
"""Representation of an Broadlink switch."""
def __init__(self, name, friendly_name, device, command_on, command_off):
"""Initialize the switch."""
self.entity_id = ENTITY_ID_FORMAT.format(slugify(name))
self._name = friendly_name
self._state = False
self._command_on = b64decode(command_on) if command_on else None
self._command_off = b64decode(command_off) if command_off else None
self._device = device
@property
def name(self):
"""Return the name of the switch."""
return self._name
@property
def assumed_state(self):
"""Return true if unable to access real state of entity."""
return True
@property
def should_poll(self):
"""Return the polling state."""
return False
@property
def is_on(self):
"""Return true if device is on."""
return self._state
def turn_on(self, **kwargs):
"""Turn the device on."""
if self._sendpacket(self._command_on):
self._state = True
self.schedule_update_ha_state()
def turn_off(self, **kwargs):
"""Turn the device off."""
if self._sendpacket(self._command_off):
self._state = False
self.schedule_update_ha_state()
def _sendpacket(self, packet, retry=2):
"""Send packet to device."""
if packet is None:
_LOGGER.debug("Empty packet")
return True
try:
self._device.send_data(packet)
except (socket.timeout, ValueError) as error:
if retry < 1:
_LOGGER.error(error)
return False
if not self._auth():
return False
return self._sendpacket(packet, retry-1)
return True
def _auth(self, retry=2):
try:
auth = self._device.auth()
except socket.timeout:
auth = False
if not auth and retry > 0:
return self._auth(retry-1)
return auth
class BroadlinkSP1Switch(BroadlinkRMSwitch):
"""Representation of an Broadlink switch."""
def __init__(self, friendly_name, device):
"""Initialize the switch."""
super().__init__(friendly_name, friendly_name, device, None, None)
self._command_on = 1
self._command_off = 0
self._load_power = None
def _sendpacket(self, packet, retry=2):
"""Send packet to device."""
try:
self._device.set_power(packet)
except (socket.timeout, ValueError) as error:
if retry < 1:
_LOGGER.error(error)
return False
if not self._auth():
return False
return self._sendpacket(packet, retry-1)
return True
class BroadlinkSP2Switch(BroadlinkSP1Switch):
"""Representation of an Broadlink switch."""
@property
def assumed_state(self):
"""Return true if unable to access real state of entity."""
return False
@property
def should_poll(self):
"""Return the polling state."""
return True
@property
def current_power_w(self):
"""Return the current power usage in Watt."""
try:
return round(self._load_power, 2)
except (ValueError, TypeError):
return None
def update(self):
"""Synchronize state with switch."""
self._update()
def _update(self, retry=2):
"""Update the state of the device."""
try:
state = self._device.check_power()
load_power = self._device.get_energy()
except (socket.timeout, ValueError) as error:
if retry < 1:
_LOGGER.error(error)
return
if not self._auth():
return
return self._update(retry-1)
if state is None and retry > 0:
return self._update(retry-1)
self._state = state
self._load_power = load_power
class BroadlinkMP1Slot(BroadlinkRMSwitch):
"""Representation of a slot of Broadlink switch."""
def __init__(self, friendly_name, device, slot, parent_device):
"""Initialize the slot of switch."""
super().__init__(friendly_name, friendly_name, device, None, None)
self._command_on = 1
self._command_off = 0
self._slot = slot
self._parent_device = parent_device
@property
def assumed_state(self):
"""Return true if unable to access real state of entity."""
return False
def _sendpacket(self, packet, retry=2):
"""Send packet to device."""
try:
self._device.set_power(self._slot, packet)
except (socket.timeout, ValueError) as error:
if retry < 1:
_LOGGER.error(error)
return False
if not self._auth():
return False
return self._sendpacket(packet, max(0, retry-1))
return True
@property
def should_poll(self):
"""Return the polling state."""
return True
def update(self):
"""Trigger update for all switches on the parent device."""
self._parent_device.update()
self._state = self._parent_device.get_outlet_status(self._slot)
class BroadlinkMP1Switch:
"""Representation of a Broadlink switch - To fetch states of all slots."""
def __init__(self, device):
"""Initialize the switch."""
self._device = device
self._states = None
def get_outlet_status(self, slot):
"""Get status of outlet from cached status list."""
return self._states['s{}'.format(slot)]
@Throttle(TIME_BETWEEN_UPDATES)
def update(self):
"""Fetch new state data for this device."""
self._update()
def _update(self, retry=2):
"""Update the state of the device."""
try:
states = self._device.check_power()
except (socket.timeout, ValueError) as error:
if retry < 1:
_LOGGER.error(error)
return
if not self._auth():
return
return self._update(max(0, retry-1))
if states is None and retry > 0:
return self._update(max(0, retry-1))
self._states = states
def _auth(self, retry=2):
"""Authenticate the device."""
try:
auth = self._device.auth()
except socket.timeout:
auth = False
if not auth and retry > 0:
return self._auth(retry-1)
return auth