107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
"""Support for wake on lan."""
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import logging
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import platform
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import subprocess as sp
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import voluptuous as vol
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import wakeonlan
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from homeassistant.components.switch import PLATFORM_SCHEMA, SwitchDevice
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from homeassistant.const import CONF_HOST, CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.script import Script
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_LOGGER = logging.getLogger(__name__)
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CONF_BROADCAST_ADDRESS = "broadcast_address"
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CONF_MAC_ADDRESS = "mac_address"
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CONF_OFF_ACTION = "turn_off"
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DEFAULT_NAME = "Wake on LAN"
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DEFAULT_PING_TIMEOUT = 1
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_MAC_ADDRESS): cv.string,
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vol.Optional(CONF_BROADCAST_ADDRESS): cv.string,
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vol.Optional(CONF_HOST): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_OFF_ACTION): cv.SCRIPT_SCHEMA,
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}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up a wake on lan switch."""
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broadcast_address = config.get(CONF_BROADCAST_ADDRESS)
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host = config.get(CONF_HOST)
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mac_address = config.get(CONF_MAC_ADDRESS)
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name = config.get(CONF_NAME)
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off_action = config.get(CONF_OFF_ACTION)
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add_entities(
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[WOLSwitch(hass, name, host, mac_address, off_action, broadcast_address)], True
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)
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class WOLSwitch(SwitchDevice):
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"""Representation of a wake on lan switch."""
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def __init__(self, hass, name, host, mac_address, off_action, broadcast_address):
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"""Initialize the WOL switch."""
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self._hass = hass
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self._name = name
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self._host = host
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self._mac_address = mac_address
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self._broadcast_address = broadcast_address
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self._off_script = Script(hass, off_action) if off_action else None
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self._state = False
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@property
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def is_on(self):
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"""Return true if switch is on."""
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return self._state
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@property
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def name(self):
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"""Return the name of the switch."""
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return self._name
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def turn_on(self, **kwargs):
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"""Turn the device on."""
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if self._broadcast_address:
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wakeonlan.send_magic_packet(
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self._mac_address, ip_address=self._broadcast_address
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)
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else:
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wakeonlan.send_magic_packet(self._mac_address)
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def turn_off(self, **kwargs):
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"""Turn the device off if an off action is present."""
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if self._off_script is not None:
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self._off_script.run()
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def update(self):
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"""Check if device is on and update the state."""
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if platform.system().lower() == "windows":
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ping_cmd = [
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"ping",
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"-n",
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"1",
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"-w",
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str(DEFAULT_PING_TIMEOUT * 1000),
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str(self._host),
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]
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else:
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ping_cmd = [
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"ping",
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"-c",
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"1",
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"-W",
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str(DEFAULT_PING_TIMEOUT),
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str(self._host),
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]
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status = sp.call(ping_cmd, stdout=sp.DEVNULL, stderr=sp.DEVNULL)
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self._state = not bool(status)
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