127 lines
3.6 KiB
Python
127 lines
3.6 KiB
Python
"""
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Support for Hyperion remotes.
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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/light.hyperion/
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"""
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import json
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import logging
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import socket
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from homeassistant.components.light import ATTR_RGB_COLOR, Light
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from homeassistant.const import CONF_HOST
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_LOGGER = logging.getLogger(__name__)
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REQUIREMENTS = []
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def setup_platform(hass, config, add_devices_callback, discovery_info=None):
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"""Setup a Hyperion server remote."""
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host = config.get(CONF_HOST, None)
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port = config.get("port", 19444)
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device = Hyperion(config.get('name', host), host, port)
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if device.setup():
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add_devices_callback([device])
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return True
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else:
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return False
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class Hyperion(Light):
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"""Representation of a Hyperion remote."""
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def __init__(self, name, host, port):
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"""Initialize the light."""
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self._host = host
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self._port = port
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self._name = name
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self._is_available = True
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self._rgb_color = [255, 255, 255]
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@property
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def name(self):
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"""Return the hostname of the server."""
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return self._name
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@property
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def rgb_color(self):
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"""Return last RGB color value set."""
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return self._rgb_color
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@property
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def is_on(self):
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"""Return true if the device is online."""
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return self._is_available
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def turn_on(self, **kwargs):
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"""Turn the lights on."""
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if self._is_available:
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if ATTR_RGB_COLOR in kwargs:
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self._rgb_color = kwargs[ATTR_RGB_COLOR]
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self.json_request({"command": "color", "priority": 128,
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"color": self._rgb_color})
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def turn_off(self, **kwargs):
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"""Disconnect the remote."""
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self.json_request({"command": "clearall"})
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def update(self):
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"""Ping the remote."""
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# just see if the remote port is open
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self._is_available = self.json_request()
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def setup(self):
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"""Get the hostname of the remote."""
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response = self.json_request({"command": "serverinfo"})
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if response:
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if self._name == self._host:
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self._name = response["info"]["hostname"]
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return True
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return False
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def json_request(self, request=None, wait_for_response=False):
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"""Communicate with the JSON server."""
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.settimeout(5)
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try:
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sock.connect((self._host, self._port))
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except OSError:
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sock.close()
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return False
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if not request:
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# No communication needed, simple presence detection returns True
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sock.close()
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return True
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sock.send(bytearray(json.dumps(request) + "\n", "utf-8"))
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try:
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buf = sock.recv(4096)
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except socket.timeout:
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# Something is wrong, assume it's offline
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sock.close()
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return False
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# Read until a newline or timeout
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buffering = True
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while buffering:
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if "\n" in str(buf, "utf-8"):
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response = str(buf, "utf-8").split("\n")[0]
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buffering = False
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else:
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try:
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more = sock.recv(4096)
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except socket.timeout:
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more = None
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if not more:
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buffering = False
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response = str(buf, "utf-8")
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else:
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buf += more
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sock.close()
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return json.loads(response)
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