102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
"""
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Support for custom shell commands to retrieve values.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/binary_sensor.command_line/
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"""
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import logging
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from datetime import timedelta
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.components.binary_sensor import (
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BinarySensorDevice, DEVICE_CLASSES_SCHEMA, PLATFORM_SCHEMA)
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from homeassistant.components.sensor.command_line import CommandSensorData
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from homeassistant.const import (
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CONF_PAYLOAD_OFF, CONF_PAYLOAD_ON, CONF_NAME, CONF_VALUE_TEMPLATE,
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CONF_COMMAND, CONF_DEVICE_CLASS)
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = 'Binary Command Sensor'
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DEFAULT_PAYLOAD_ON = 'ON'
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DEFAULT_PAYLOAD_OFF = 'OFF'
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SCAN_INTERVAL = timedelta(seconds=60)
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CONF_COMMAND_TIMEOUT = 'command_timeout'
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DEFAULT_TIMEOUT = 15
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_COMMAND): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_PAYLOAD_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string,
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vol.Optional(CONF_PAYLOAD_ON, default=DEFAULT_PAYLOAD_ON): cv.string,
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vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
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vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
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vol.Optional(
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CONF_COMMAND_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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})
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Command line Binary Sensor."""
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name = config.get(CONF_NAME)
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command = config.get(CONF_COMMAND)
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payload_off = config.get(CONF_PAYLOAD_OFF)
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payload_on = config.get(CONF_PAYLOAD_ON)
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device_class = config.get(CONF_DEVICE_CLASS)
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value_template = config.get(CONF_VALUE_TEMPLATE)
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command_timeout = config.get(CONF_COMMAND_TIMEOUT)
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if value_template is not None:
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value_template.hass = hass
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data = CommandSensorData(hass, command, command_timeout)
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add_entities([CommandBinarySensor(
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hass, data, name, device_class, payload_on, payload_off,
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value_template)], True)
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class CommandBinarySensor(BinarySensorDevice):
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"""Representation of a command line binary sensor."""
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def __init__(self, hass, data, name, device_class, payload_on,
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payload_off, value_template):
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"""Initialize the Command line binary sensor."""
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self._hass = hass
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self.data = data
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self._name = name
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self._device_class = device_class
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self._state = False
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self._payload_on = payload_on
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self._payload_off = payload_off
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self._value_template = value_template
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def is_on(self):
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"""Return true if the binary sensor is on."""
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return self._state
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@ property
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def device_class(self):
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"""Return the class of the binary sensor."""
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return self._device_class
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def update(self):
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"""Get the latest data and updates the state."""
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self.data.update()
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value = self.data.value
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if self._value_template is not None:
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value = self._value_template.render_with_possible_json_value(
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value, False)
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if value == self._payload_on:
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self._state = True
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elif value == self._payload_off:
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self._state = False
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