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86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
"""
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Lannouncer platform for notify component.
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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/notify.lannouncer/
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"""
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import logging
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from urllib.parse import urlencode
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import socket
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import voluptuous as vol
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from homeassistant.components.notify import (
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PLATFORM_SCHEMA, ATTR_DATA, BaseNotificationService)
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from homeassistant.const import (CONF_HOST, CONF_PORT)
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import homeassistant.helpers.config_validation as cv
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ATTR_METHOD = 'method'
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ATTR_METHOD_DEFAULT = 'speak'
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ATTR_METHOD_ALLOWED = ['speak', 'alarm']
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DEFAULT_PORT = 1035
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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})
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_LOGGER = logging.getLogger(__name__)
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def get_service(hass, config, discovery_info=None):
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"""Get the Lannouncer notification service."""
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host = config.get(CONF_HOST)
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port = config.get(CONF_PORT)
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return LannouncerNotificationService(hass, host, port)
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class LannouncerNotificationService(BaseNotificationService):
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"""Implementation of a notification service for Lannouncer."""
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def __init__(self, hass, host, port):
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"""Initialize the service."""
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self._hass = hass
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self._host = host
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self._port = port
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def send_message(self, message="", **kwargs):
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"""Send a message to Lannouncer."""
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data = kwargs.get(ATTR_DATA)
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if data is not None and ATTR_METHOD in data:
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method = data.get(ATTR_METHOD)
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else:
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method = ATTR_METHOD_DEFAULT
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if method not in ATTR_METHOD_ALLOWED:
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_LOGGER.error("Unknown method %s", method)
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return
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cmd = urlencode({method: message})
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try:
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# Open socket
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.settimeout(10)
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sock.connect((self._host, self._port))
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# Send message
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_LOGGER.debug("Sending message: %s", cmd)
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sock.sendall(cmd.encode())
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sock.sendall("&@DONE@\n".encode())
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# Check response
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buffer = sock.recv(1024)
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if buffer != b'LANnouncer: OK':
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_LOGGER.error("Error sending data to Lannnouncer: %s",
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buffer.decode())
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# Close socket
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sock.close()
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except socket.gaierror:
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_LOGGER.error("Unable to connect to host %s", self._host)
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except socket.error:
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_LOGGER.exception("Failed to send data to Lannnouncer")
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