core/homeassistant/components/broadlink/remote.py

500 lines
16 KiB
Python

"""Support for Broadlink remotes."""
import asyncio
from base64 import b64encode
from collections import defaultdict
from datetime import timedelta
from itertools import product
import logging
from broadlink.exceptions import (
AuthorizationError,
BroadlinkException,
NetworkTimeoutError,
ReadError,
StorageError,
)
import voluptuous as vol
from homeassistant.components.remote import (
ATTR_ALTERNATIVE,
ATTR_COMMAND,
ATTR_COMMAND_TYPE,
ATTR_DELAY_SECS,
ATTR_DEVICE,
ATTR_NUM_REPEATS,
DEFAULT_DELAY_SECS,
DOMAIN as RM_DOMAIN,
PLATFORM_SCHEMA,
SERVICE_DELETE_COMMAND,
SUPPORT_DELETE_COMMAND,
SUPPORT_LEARN_COMMAND,
RemoteEntity,
)
from homeassistant.const import CONF_HOST, STATE_OFF
from homeassistant.core import callback
from homeassistant.exceptions import HomeAssistantError
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.restore_state import RestoreEntity
from homeassistant.helpers.storage import Store
from homeassistant.util.dt import utcnow
from .const import DOMAIN
from .helpers import data_packet, import_device
_LOGGER = logging.getLogger(__name__)
LEARNING_TIMEOUT = timedelta(seconds=30)
COMMAND_TYPE_IR = "ir"
COMMAND_TYPE_RF = "rf"
COMMAND_TYPES = [COMMAND_TYPE_IR, COMMAND_TYPE_RF]
CODE_STORAGE_VERSION = 1
FLAG_STORAGE_VERSION = 1
CODE_SAVE_DELAY = 15
FLAG_SAVE_DELAY = 15
COMMAND_SCHEMA = vol.Schema(
{
vol.Required(ATTR_COMMAND): vol.All(
cv.ensure_list, [vol.All(cv.string, vol.Length(min=1))], vol.Length(min=1)
),
},
extra=vol.ALLOW_EXTRA,
)
SERVICE_SEND_SCHEMA = COMMAND_SCHEMA.extend(
{
vol.Optional(ATTR_DEVICE): vol.All(cv.string, vol.Length(min=1)),
vol.Optional(ATTR_DELAY_SECS, default=DEFAULT_DELAY_SECS): vol.Coerce(float),
}
)
SERVICE_LEARN_SCHEMA = COMMAND_SCHEMA.extend(
{
vol.Required(ATTR_DEVICE): vol.All(cv.string, vol.Length(min=1)),
vol.Optional(ATTR_COMMAND_TYPE, default=COMMAND_TYPE_IR): vol.In(COMMAND_TYPES),
vol.Optional(ATTR_ALTERNATIVE, default=False): cv.boolean,
}
)
SERVICE_DELETE_SCHEMA = COMMAND_SCHEMA.extend(
{vol.Required(ATTR_DEVICE): vol.All(cv.string, vol.Length(min=1))}
)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Required(CONF_HOST): cv.string}, extra=vol.ALLOW_EXTRA
)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Import the device and discontinue platform.
This is for backward compatibility.
Do not use this method.
"""
import_device(hass, config[CONF_HOST])
_LOGGER.warning(
"The remote platform is deprecated, please remove it from your configuration"
)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up a Broadlink remote."""
device = hass.data[DOMAIN].devices[config_entry.entry_id]
remote = BroadlinkRemote(
device,
Store(hass, CODE_STORAGE_VERSION, f"broadlink_remote_{device.unique_id}_codes"),
Store(hass, FLAG_STORAGE_VERSION, f"broadlink_remote_{device.unique_id}_flags"),
)
loaded = await remote.async_load_storage_files()
if not loaded:
_LOGGER.error("Failed to create '%s Remote' entity: Storage error", device.name)
return
async_add_entities([remote], False)
class BroadlinkRemote(RemoteEntity, RestoreEntity):
"""Representation of a Broadlink remote."""
def __init__(self, device, codes, flags):
"""Initialize the remote."""
self._device = device
self._coordinator = device.update_manager.coordinator
self._code_storage = codes
self._flag_storage = flags
self._codes = {}
self._flags = defaultdict(int)
self._state = True
@property
def name(self):
"""Return the name of the remote."""
return f"{self._device.name} Remote"
@property
def unique_id(self):
"""Return the unique id of the remote."""
return self._device.unique_id
@property
def is_on(self):
"""Return True if the remote is on."""
return self._state
@property
def available(self):
"""Return True if the remote is available."""
return self._device.update_manager.available
@property
def should_poll(self):
"""Return True if the remote has to be polled for state."""
return False
@property
def supported_features(self):
"""Flag supported features."""
return SUPPORT_LEARN_COMMAND | SUPPORT_DELETE_COMMAND
@property
def device_info(self):
"""Return device info."""
return {
"identifiers": {(DOMAIN, self._device.unique_id)},
"manufacturer": self._device.api.manufacturer,
"model": self._device.api.model,
"name": self._device.name,
"sw_version": self._device.fw_version,
}
def get_code(self, command, device):
"""Return a code and a boolean indicating a toggle command.
If the command starts with `b64:`, extract the code from it.
Otherwise, extract the code from the dictionary, using the device
and command as keys.
You need to change the flag whenever a toggle command is sent
successfully. Use `self._flags[device] ^= 1`.
"""
if command.startswith("b64:"):
code, is_toggle_cmd = command[4:], False
else:
if device is None:
raise KeyError("You need to specify a device")
try:
code = self._codes[device][command]
except KeyError as err:
raise KeyError("Command not found") from err
# For toggle commands, alternate between codes in a list.
if isinstance(code, list):
code = code[self._flags[device]]
is_toggle_cmd = True
else:
is_toggle_cmd = False
try:
return data_packet(code), is_toggle_cmd
except ValueError as err:
raise ValueError("Invalid code") from err
@callback
def get_codes(self):
"""Return a dictionary of codes."""
return self._codes
@callback
def get_flags(self):
"""Return a dictionary of toggle flags.
A toggle flag indicates whether the remote should send an
alternative code.
"""
return self._flags
async def async_added_to_hass(self):
"""Call when the remote is added to hass."""
state = await self.async_get_last_state()
self._state = state is None or state.state != STATE_OFF
self.async_on_remove(
self._coordinator.async_add_listener(self.async_write_ha_state)
)
async def async_update(self):
"""Update the remote."""
await self._coordinator.async_request_refresh()
async def async_turn_on(self, **kwargs):
"""Turn on the remote."""
self._state = True
self.async_write_ha_state()
async def async_turn_off(self, **kwargs):
"""Turn off the remote."""
self._state = False
self.async_write_ha_state()
async def async_load_storage_files(self):
"""Load codes and toggle flags from storage files."""
try:
self._codes.update(await self._code_storage.async_load() or {})
self._flags.update(await self._flag_storage.async_load() or {})
except HomeAssistantError:
return False
return True
async def async_send_command(self, command, **kwargs):
"""Send a list of commands to a device."""
kwargs[ATTR_COMMAND] = command
kwargs = SERVICE_SEND_SCHEMA(kwargs)
commands = kwargs[ATTR_COMMAND]
device = kwargs.get(ATTR_DEVICE)
repeat = kwargs[ATTR_NUM_REPEATS]
delay = kwargs[ATTR_DELAY_SECS]
if not self._state:
_LOGGER.warning(
"remote.send_command canceled: %s entity is turned off", self.entity_id
)
return
should_delay = False
for _, cmd in product(range(repeat), commands):
if should_delay:
await asyncio.sleep(delay)
try:
code, is_toggle_cmd = self.get_code(cmd, device)
except (KeyError, ValueError) as err:
_LOGGER.error("Failed to send '%s': %s", cmd, err)
should_delay = False
continue
try:
await self._device.async_request(self._device.api.send_data, code)
except (AuthorizationError, NetworkTimeoutError, OSError) as err:
_LOGGER.error("Failed to send '%s': %s", cmd, err)
break
except BroadlinkException as err:
_LOGGER.error("Failed to send '%s': %s", cmd, err)
should_delay = False
continue
should_delay = True
if is_toggle_cmd:
self._flags[device] ^= 1
self._flag_storage.async_delay_save(self.get_flags, FLAG_SAVE_DELAY)
async def async_learn_command(self, **kwargs):
"""Learn a list of commands from a remote."""
kwargs = SERVICE_LEARN_SCHEMA(kwargs)
commands = kwargs[ATTR_COMMAND]
command_type = kwargs[ATTR_COMMAND_TYPE]
device = kwargs[ATTR_DEVICE]
toggle = kwargs[ATTR_ALTERNATIVE]
if not self._state:
_LOGGER.warning(
"remote.learn_command canceled: %s entity is turned off", self.entity_id
)
return
if command_type == COMMAND_TYPE_IR:
learn_command = self._async_learn_ir_command
else:
learn_command = self._async_learn_rf_command
should_store = False
for command in commands:
try:
code = await learn_command(command)
if toggle:
code = [code, await learn_command(command)]
except (AuthorizationError, NetworkTimeoutError, OSError) as err:
_LOGGER.error("Failed to learn '%s': %s", command, err)
break
except BroadlinkException as err:
_LOGGER.error("Failed to learn '%s': %s", command, err)
continue
self._codes.setdefault(device, {}).update({command: code})
should_store = True
if should_store:
await self._code_storage.async_save(self._codes)
async def _async_learn_ir_command(self, command):
"""Learn an infrared command."""
try:
await self._device.async_request(self._device.api.enter_learning)
except (BroadlinkException, OSError) as err:
_LOGGER.debug("Failed to enter learning mode: %s", err)
raise
self.hass.components.persistent_notification.async_create(
f"Press the '{command}' button.",
title="Learn command",
notification_id="learn_command",
)
try:
start_time = utcnow()
while (utcnow() - start_time) < LEARNING_TIMEOUT:
await asyncio.sleep(1)
try:
code = await self._device.async_request(self._device.api.check_data)
except (ReadError, StorageError):
continue
return b64encode(code).decode("utf8")
raise TimeoutError(
"No infrared code received within "
f"{LEARNING_TIMEOUT.seconds} seconds"
)
finally:
self.hass.components.persistent_notification.async_dismiss(
notification_id="learn_command"
)
async def _async_learn_rf_command(self, command):
"""Learn a radiofrequency command."""
try:
await self._device.async_request(self._device.api.sweep_frequency)
except (BroadlinkException, OSError) as err:
_LOGGER.debug("Failed to sweep frequency: %s", err)
raise
self.hass.components.persistent_notification.async_create(
f"Press and hold the '{command}' button.",
title="Sweep frequency",
notification_id="sweep_frequency",
)
try:
start_time = utcnow()
while (utcnow() - start_time) < LEARNING_TIMEOUT:
await asyncio.sleep(1)
found = await self._device.async_request(
self._device.api.check_frequency
)
if found:
break
else:
await self._device.async_request(
self._device.api.cancel_sweep_frequency
)
raise TimeoutError(
"No radiofrequency found within "
f"{LEARNING_TIMEOUT.seconds} seconds"
)
finally:
self.hass.components.persistent_notification.async_dismiss(
notification_id="sweep_frequency"
)
await asyncio.sleep(1)
try:
await self._device.async_request(self._device.api.find_rf_packet)
except (BroadlinkException, OSError) as err:
_LOGGER.debug("Failed to enter learning mode: %s", err)
raise
self.hass.components.persistent_notification.async_create(
f"Press the '{command}' button again.",
title="Learn command",
notification_id="learn_command",
)
try:
start_time = utcnow()
while (utcnow() - start_time) < LEARNING_TIMEOUT:
await asyncio.sleep(1)
try:
code = await self._device.async_request(self._device.api.check_data)
except (ReadError, StorageError):
continue
return b64encode(code).decode("utf8")
raise TimeoutError(
"No radiofrequency code received within "
f"{LEARNING_TIMEOUT.seconds} seconds"
)
finally:
self.hass.components.persistent_notification.async_dismiss(
notification_id="learn_command"
)
async def async_delete_command(self, **kwargs):
"""Delete a list of commands from a remote."""
kwargs = SERVICE_DELETE_SCHEMA(kwargs)
commands = kwargs[ATTR_COMMAND]
device = kwargs[ATTR_DEVICE]
service = f"{RM_DOMAIN}.{SERVICE_DELETE_COMMAND}"
if not self._state:
_LOGGER.warning(
"%s canceled: %s entity is turned off",
service,
self.entity_id,
)
return
try:
codes = self._codes[device]
except KeyError as err:
err_msg = f"Device not found: {repr(device)}"
_LOGGER.error("Failed to call %s. %s", service, err_msg)
raise ValueError(err_msg) from err
cmds_not_found = []
for command in commands:
try:
del codes[command]
except KeyError:
cmds_not_found.append(command)
if cmds_not_found:
if len(cmds_not_found) == 1:
err_msg = f"Command not found: {repr(cmds_not_found[0])}"
else:
err_msg = f"Commands not found: {repr(cmds_not_found)}"
if len(cmds_not_found) == len(commands):
_LOGGER.error("Failed to call %s. %s", service, err_msg)
raise ValueError(err_msg)
_LOGGER.error("Error during %s. %s", service, err_msg)
# Clean up
if not codes:
del self._codes[device]
if self._flags.pop(device, None) is not None:
self._flag_storage.async_delay_save(self.get_flags, FLAG_SAVE_DELAY)
self._code_storage.async_delay_save(self.get_codes, CODE_SAVE_DELAY)