127 lines
3.9 KiB
Python
127 lines
3.9 KiB
Python
"""Support for Tellstick sensors."""
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import logging
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from collections import namedtuple
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import TEMP_CELSIUS, CONF_ID, CONF_NAME
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from homeassistant.helpers.entity import Entity
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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DatatypeDescription = namedtuple('DatatypeDescription', ['name', 'unit'])
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CONF_DATATYPE_MASK = 'datatype_mask'
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CONF_ONLY_NAMED = 'only_named'
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CONF_TEMPERATURE_SCALE = 'temperature_scale'
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DEFAULT_DATATYPE_MASK = 127
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DEFAULT_TEMPERATURE_SCALE = TEMP_CELSIUS
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_TEMPERATURE_SCALE, default=DEFAULT_TEMPERATURE_SCALE):
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cv.string,
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vol.Optional(CONF_DATATYPE_MASK, default=DEFAULT_DATATYPE_MASK):
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cv.positive_int,
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vol.Optional(CONF_ONLY_NAMED, default=[]):
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vol.All(cv.ensure_list, [vol.Schema({
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vol.Required(CONF_ID): cv.positive_int,
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vol.Required(CONF_NAME): cv.string,
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})])
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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 Tellstick sensors."""
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from tellcore import telldus
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import tellcore.constants as tellcore_constants
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sensor_value_descriptions = {
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tellcore_constants.TELLSTICK_TEMPERATURE:
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DatatypeDescription('temperature', config.get(CONF_TEMPERATURE_SCALE)),
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tellcore_constants.TELLSTICK_HUMIDITY:
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DatatypeDescription('humidity', '%'),
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tellcore_constants.TELLSTICK_RAINRATE:
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DatatypeDescription('rain rate', ''),
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tellcore_constants.TELLSTICK_RAINTOTAL:
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DatatypeDescription('rain total', ''),
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tellcore_constants.TELLSTICK_WINDDIRECTION:
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DatatypeDescription('wind direction', ''),
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tellcore_constants.TELLSTICK_WINDAVERAGE:
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DatatypeDescription('wind average', ''),
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tellcore_constants.TELLSTICK_WINDGUST:
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DatatypeDescription('wind gust', '')
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}
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try:
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tellcore_lib = telldus.TelldusCore()
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except OSError:
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_LOGGER.exception('Could not initialize Tellstick')
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return
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sensors = []
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datatype_mask = config.get(CONF_DATATYPE_MASK)
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if config[CONF_ONLY_NAMED]:
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named_sensors = {
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named_sensor[CONF_ID]: named_sensor[CONF_NAME]
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for named_sensor in config[CONF_ONLY_NAMED]}
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for tellcore_sensor in tellcore_lib.sensors():
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if not config[CONF_ONLY_NAMED]:
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sensor_name = str(tellcore_sensor.id)
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else:
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if tellcore_sensor.id not in named_sensors:
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continue
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sensor_name = named_sensors[tellcore_sensor.id]
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for datatype in sensor_value_descriptions:
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if datatype & datatype_mask and \
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tellcore_sensor.has_value(datatype):
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sensor_info = sensor_value_descriptions[datatype]
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sensors.append(TellstickSensor(
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sensor_name, tellcore_sensor,
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datatype, sensor_info))
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add_entities(sensors)
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class TellstickSensor(Entity):
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"""Representation of a Tellstick sensor."""
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def __init__(self, name, tellcore_sensor, datatype, sensor_info):
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"""Initialize the sensor."""
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self._datatype = datatype
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self._tellcore_sensor = tellcore_sensor
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self._unit_of_measurement = sensor_info.unit or None
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self._value = None
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self._name = '{} {}'.format(name, sensor_info.name)
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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 sensor."""
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return self._value
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@property
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def unit_of_measurement(self):
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"""Return the unit of measurement of this entity, if any."""
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return self._unit_of_measurement
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def update(self):
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"""Update tellstick sensor."""
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self._value = self._tellcore_sensor.value(self._datatype).value
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