core/homeassistant/components/light/hyperion.py

159 lines
4.6 KiB
Python

"""
Support for Hyperion remotes.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.hyperion/
"""
import json
import logging
import socket
import voluptuous as vol
from homeassistant.components.light import (
ATTR_RGB_COLOR, SUPPORT_RGB_COLOR, Light, PLATFORM_SCHEMA)
from homeassistant.const import (CONF_HOST, CONF_PORT, CONF_NAME)
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
CONF_DEFAULT_COLOR = 'default_color'
DEFAULT_COLOR = [255, 255, 255]
DEFAULT_NAME = 'Hyperion'
DEFAULT_PORT = 19444
SUPPORT_HYPERION = SUPPORT_RGB_COLOR
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_DEFAULT_COLOR, default=DEFAULT_COLOR):
vol.All(list, vol.Length(min=3, max=3),
[vol.All(vol.Coerce(int), vol.Range(min=0, max=255))]),
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up a Hyperion server remote."""
host = config.get(CONF_HOST)
port = config.get(CONF_PORT)
default_color = config.get(CONF_DEFAULT_COLOR)
device = Hyperion(config.get(CONF_NAME), host, port, default_color)
if device.setup():
add_devices([device])
return True
return False
class Hyperion(Light):
"""Representation of a Hyperion remote."""
def __init__(self, name, host, port, default_color):
"""Initialize the light."""
self._host = host
self._port = port
self._name = name
self._default_color = default_color
self._rgb_color = [0, 0, 0]
@property
def name(self):
"""Return the hostname of the server."""
return self._name
@property
def rgb_color(self):
"""Return last RGB color value set."""
return self._rgb_color
@property
def is_on(self):
"""Return true if not black."""
return self._rgb_color != [0, 0, 0]
@property
def supported_features(self):
"""Flag supported features."""
return SUPPORT_HYPERION
def turn_on(self, **kwargs):
"""Turn the lights on."""
if ATTR_RGB_COLOR in kwargs:
self._rgb_color = kwargs[ATTR_RGB_COLOR]
else:
self._rgb_color = self._default_color
self.json_request(
{'command': 'color', 'priority': 128, 'color': self._rgb_color})
def turn_off(self, **kwargs):
"""Disconnect all remotes."""
self.json_request({'command': 'clearall'})
self._rgb_color = [0, 0, 0]
def update(self):
"""Get the remote's active color."""
response = self.json_request({'command': 'serverinfo'})
if response:
# workaround for outdated Hyperion
if 'activeLedColor' not in response['info']:
self._rgb_color = self._default_color
return
if response['info']['activeLedColor'] == []:
self._rgb_color = [0, 0, 0]
else:
self._rgb_color =\
response['info']['activeLedColor'][0]['RGB Value']
def setup(self):
"""Get the hostname of the remote."""
response = self.json_request({'command': 'serverinfo'})
if response:
self._name = response['info']['hostname']
return True
return False
def json_request(self, request, wait_for_response=False):
"""Communicate with the JSON server."""
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(5)
try:
sock.connect((self._host, self._port))
except OSError:
sock.close()
return False
sock.send(bytearray(json.dumps(request) + '\n', 'utf-8'))
try:
buf = sock.recv(4096)
except socket.timeout:
# Something is wrong, assume it's offline
sock.close()
return False
# Read until a newline or timeout
buffering = True
while buffering:
if '\n' in str(buf, 'utf-8'):
response = str(buf, 'utf-8').split('\n')[0]
buffering = False
else:
try:
more = sock.recv(4096)
except socket.timeout:
more = None
if not more:
buffering = False
response = str(buf, 'utf-8')
else:
buf += more
sock.close()
return json.loads(response)