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"""Component for interfacing to Lutron Homeworks keypads.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/homeworks/
"""
import logging
import voluptuous as vol
from homeassistant.components.binary_sensor import (
BinarySensorDevice, PLATFORM_SCHEMA)
from homeassistant.components.homeworks import (
HomeworksDevice, HOMEWORKS_CONTROLLER)
from homeassistant.const import CONF_NAME
import homeassistant.helpers.config_validation as cv
DEPENDENCIES = ['homeworks']
REQUIREMENTS = ['pyhomeworks==0.0.4']
_LOGGER = logging.getLogger(__name__)
EVENT_BUTTON_PRESSED = 'button_pressed'
CONF_KEYPADS = 'keypads'
CONF_ADDR = 'addr'
CONF_BUTTONS = 'buttons'
BUTTON_SCHEMA = vol.Schema({cv.positive_int: cv.string})
BUTTONS_SCHEMA = vol.Schema({
vol.Required(CONF_ADDR): cv.string,
vol.Required(CONF_NAME): cv.string,
vol.Required(CONF_BUTTONS): vol.All(cv.ensure_list, [BUTTON_SCHEMA])
})
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_KEYPADS): vol.All(cv.ensure_list, [BUTTONS_SCHEMA])
})
def setup_platform(hass, config, add_entities, discover_info=None):
"""Set up the Homeworks keypads."""
controller = hass.data[HOMEWORKS_CONTROLLER]
devs = []
for keypad in config.get(CONF_KEYPADS):
name = keypad.get(CONF_NAME)
addr = keypad.get(CONF_ADDR)
buttons = keypad.get(CONF_BUTTONS)
for button in buttons:
# FIX: This should be done differently
for num, title in button.items():
devname = name + '_' + title
dev = HomeworksKeypad(controller, addr, num, devname)
devs.append(dev)
add_entities(devs, True)
return True
class HomeworksKeypad(HomeworksDevice, BinarySensorDevice):
"""Homeworks Keypad."""
def __init__(self, controller, addr, num, name):
"""Create keypad with addr, num, and name."""
HomeworksDevice.__init__(self, controller, addr, name)
self._num = num
self._state = None
@property
def is_on(self):
"""Return state of the button."""
return self._state
def callback(self, msg_type, values):
"""Dispatch messages from the controller."""
from pyhomeworks.pyhomeworks import (
HW_BUTTON_PRESSED, HW_BUTTON_RELEASED)
old_state = self._state
if msg_type == HW_BUTTON_PRESSED and values[1] == self._num:
self.hass.bus.fire(EVENT_BUTTON_PRESSED,
{'entity_id': self.entity_id})
self._state = True
elif msg_type == HW_BUTTON_RELEASED and values[1] == self._num:
self._state = False
return old_state != self._state
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