core/homeassistant/components/qwikswitch.py

151 lines
4.8 KiB
Python

"""
Support for Qwikswitch devices.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/qwikswitch/
"""
import logging
from homeassistant.const import EVENT_HOMEASSISTANT_STOP
from homeassistant.components.light import ATTR_BRIGHTNESS
from homeassistant.components.discovery import load_platform
REQUIREMENTS = ['https://github.com/kellerza/pyqwikswitch/archive/v0.4.zip'
'#pyqwikswitch==0.4']
DEPENDENCIES = []
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'qwikswitch'
QSUSB = None
class QSToggleEntity(object):
"""Representation of a Qwikswitch Entity.
Implement base QS methods. Modeled around HA ToggleEntity[1] & should only
be used in a class that extends both QSToggleEntity *and* ToggleEntity.
Implemented:
- QSLight extends QSToggleEntity and Light[2] (ToggleEntity[1])
- QSSwitch extends QSToggleEntity and SwitchDevice[3] (ToggleEntity[1])
[1] /helpers/entity.py
[2] /components/light/__init__.py
[3] /components/switch/__init__.py
"""
def __init__(self, qsitem, qsusb):
"""Initialize the ToggleEntity."""
from pyqwikswitch import (QS_ID, QS_NAME, QSType, PQS_VALUE, PQS_TYPE)
self._id = qsitem[QS_ID]
self._name = qsitem[QS_NAME]
self._value = qsitem[PQS_VALUE]
self._qsusb = qsusb
self._dim = qsitem[PQS_TYPE] == QSType.dimmer
@property
def brightness(self):
"""Return the brightness of this light between 0..100."""
return self._value if self._dim else None
# pylint: disable=no-self-use
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def name(self):
"""Return the name of the light."""
return self._name
@property
def is_on(self):
"""Check if device is on (non-zero)."""
return self._value > 0
def update_value(self, value):
"""Decode the QSUSB value and update the Home assistant state."""
if value != self._value:
self._value = value
# pylint: disable=no-member
super().update_ha_state() # Part of Entity/ToggleEntity
return self._value
def turn_on(self, **kwargs):
"""Turn the device on."""
newvalue = 255
if ATTR_BRIGHTNESS in kwargs:
newvalue = kwargs[ATTR_BRIGHTNESS]
if self._qsusb.set(self._id, round(min(newvalue, 255)/2.55)) >= 0:
self.update_value(newvalue)
# pylint: disable=unused-argument
def turn_off(self, **kwargs):
"""Turn the device off."""
if self._qsusb.set(self._id, 0) >= 0:
self.update_value(0)
# pylint: disable=too-many-locals
def setup(hass, config):
"""Setup the QSUSB component."""
from pyqwikswitch import (QSUsb, CMD_BUTTONS, QS_NAME, QS_ID, QS_CMD,
QS_TYPE, PQS_VALUE, PQS_TYPE, QSType)
# Override which cmd's in /&listen packets will fire events
# By default only buttons of type [TOGGLE,SCENE EXE,LEVEL]
cmd_buttons = config[DOMAIN].get('button_events', ','.join(CMD_BUTTONS))
cmd_buttons = cmd_buttons.split(',')
try:
url = config[DOMAIN].get('url', 'http://127.0.0.1:2020')
dimmer_adjust = float(config[DOMAIN].get('dimmer_adjust', '1'))
qsusb = QSUsb(url, _LOGGER, dimmer_adjust)
# Ensure qsusb terminates threads correctly
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP,
lambda event: qsusb.stop())
except ValueError as val_err:
_LOGGER.error(str(val_err))
return False
qsusb.ha_devices = qsusb.devices()
qsusb.ha_objects = {}
# Identify switches & remove ' Switch' postfix in name
for item in qsusb.ha_devices:
if item[PQS_TYPE] == QSType.relay and \
item[QS_NAME].lower().endswith(' switch'):
item[QS_TYPE] = 'switch'
item[QS_NAME] = item[QS_NAME][:-7]
global QSUSB
if QSUSB is None:
QSUSB = {}
QSUSB[id(qsusb)] = qsusb
# Load sub-components for qwikswitch
for comp_name in ('switch', 'light'):
load_platform(hass, comp_name, 'qwikswitch',
{'qsusb_id': id(qsusb)}, config)
def qs_callback(item):
"""Typically a button press or update signal."""
# If button pressed, fire a hass event
if item.get(QS_CMD, '') in cmd_buttons:
hass.bus.fire('qwikswitch.button.' + item.get(QS_ID, '@no_id'))
return
# Update all ha_objects
qsreply = qsusb.devices()
if qsreply is False:
return
for item in qsreply:
if item[QS_ID] in qsusb.ha_objects:
qsusb.ha_objects[item[QS_ID]].update_value(
round(min(item[PQS_VALUE], 100) * 2.55))
qsusb.listen(callback=qs_callback, timeout=30)
return True