136 lines
4.0 KiB
Python
136 lines
4.0 KiB
Python
"""
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Support for getting the disk temperature of a host.
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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/sensor.hddtemp/
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"""
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import logging
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from datetime import timedelta
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from telnetlib import Telnet
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import socket
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (
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CONF_NAME, CONF_HOST, CONF_PORT, TEMP_CELSIUS, TEMP_FAHRENHEIT, CONF_DISKS)
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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ATTR_DEVICE = 'device'
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ATTR_MODEL = 'model'
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DEFAULT_HOST = 'localhost'
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DEFAULT_PORT = 7634
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DEFAULT_NAME = 'HD Temperature'
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DEFAULT_TIMEOUT = 5
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SCAN_INTERVAL = timedelta(minutes=1)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_DISKS, default=[]): vol.All(cv.ensure_list, [cv.string]),
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vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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})
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the HDDTemp sensor."""
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name = config.get(CONF_NAME)
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host = config.get(CONF_HOST)
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port = config.get(CONF_PORT)
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disks = config.get(CONF_DISKS)
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hddtemp = HddTempData(host, port)
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hddtemp.update()
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if not disks:
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disks = [next(iter(hddtemp.data)).split('|')[0]]
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dev = []
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for disk in disks:
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dev.append(HddTempSensor(name, disk, hddtemp))
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add_entities(dev, True)
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class HddTempSensor(Entity):
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"""Representation of a HDDTemp sensor."""
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def __init__(self, name, disk, hddtemp):
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"""Initialize a HDDTemp sensor."""
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self.hddtemp = hddtemp
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self.disk = disk
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self._name = '{} {}'.format(name, disk)
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self._state = None
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self._details = None
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self._unit = None
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the device."""
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return self._state
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@property
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def unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return self._unit
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@property
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def device_state_attributes(self):
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"""Return the state attributes of the sensor."""
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if self._details is not None:
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return {
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ATTR_DEVICE: self._details[0],
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ATTR_MODEL: self._details[1],
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}
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def update(self):
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"""Get the latest data from HDDTemp daemon and updates the state."""
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self.hddtemp.update()
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if self.hddtemp.data and self.disk in self.hddtemp.data:
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self._details = self.hddtemp.data[self.disk].split('|')
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self._state = self._details[2]
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if self._details is not None and self._details[3] == 'F':
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self._unit = TEMP_FAHRENHEIT
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else:
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self._unit = TEMP_CELSIUS
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else:
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self._state = None
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class HddTempData:
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"""Get the latest data from HDDTemp and update the states."""
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def __init__(self, host, port):
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"""Initialize the data object."""
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self.host = host
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self.port = port
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self.data = None
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def update(self):
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"""Get the latest data from HDDTemp running as daemon."""
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try:
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connection = Telnet(
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host=self.host, port=self.port, timeout=DEFAULT_TIMEOUT)
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data = connection.read_all().decode(
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'ascii').lstrip('|').rstrip('|').split('||')
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self.data = {data[i].split('|')[0]: data[i]
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for i in range(0, len(data), 1)}
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except ConnectionRefusedError:
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_LOGGER.error("HDDTemp is not available at %s:%s",
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self.host, self.port)
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self.data = None
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except socket.gaierror:
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_LOGGER.error("HDDTemp host not found %s:%s", self.host, self.port)
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self.data = None
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