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106a229a27
3 changed files with 122 additions and 0 deletions
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@ -84,6 +84,7 @@ omit =
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homeassistant/components/sensor/command_sensor.py
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homeassistant/components/sensor/cpuspeed.py
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homeassistant/components/sensor/dht.py
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homeassistant/components/sensor/dweet.py
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homeassistant/components/sensor/efergy.py
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homeassistant/components/sensor/forecast.py
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homeassistant/components/sensor/glances.py
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118
homeassistant/components/sensor/dweet.py
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118
homeassistant/components/sensor/dweet.py
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@ -0,0 +1,118 @@
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"""
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homeassistant.components.sensor.dweet
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Displays values from Dweet.io.
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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.dweet/
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"""
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from datetime import timedelta
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import logging
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import json
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from homeassistant.util import Throttle
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from homeassistant.util import template
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from homeassistant.helpers.entity import Entity
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from homeassistant.const import (STATE_UNKNOWN, CONF_VALUE_TEMPLATE)
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_LOGGER = logging.getLogger(__name__)
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REQUIREMENTS = ['dweepy==0.2.0']
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DEFAULT_NAME = 'Dweet.io Sensor'
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CONF_DEVICE = 'device'
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# Return cached results if last scan was less then this time ago
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=60)
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# pylint: disable=unused-variable, too-many-function-args
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def setup_platform(hass, config, add_devices, discovery_info=None):
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""" Setup the Dweet sensor. """
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import dweepy
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device = config.get('device')
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value_template = config.get(CONF_VALUE_TEMPLATE)
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if None in (device, value_template):
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_LOGGER.error('Not all required config keys present: %s',
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', '.join(CONF_DEVICE, CONF_VALUE_TEMPLATE))
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return False
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try:
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content = json.dumps(dweepy.get_latest_dweet_for(device)[0]['content'])
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except dweepy.DweepyError:
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_LOGGER.error("Device/thing '%s' could not be found", device)
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return False
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if template.render_with_possible_json_value(hass,
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value_template,
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content) is '':
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_LOGGER.error("'%s' was not found", value_template)
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return False
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dweet = DweetData(device)
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add_devices([DweetSensor(hass,
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dweet,
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config.get('name', DEFAULT_NAME),
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value_template,
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config.get('unit_of_measurement'))])
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# pylint: disable=too-many-arguments
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class DweetSensor(Entity):
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""" Implements a Dweet sensor. """
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def __init__(self, hass, dweet, name, value_template, unit_of_measurement):
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self.hass = hass
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self.dweet = dweet
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self._name = name
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self._value_template = value_template
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self._state = STATE_UNKNOWN
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self._unit_of_measurement = unit_of_measurement
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self.update()
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@property
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def name(self):
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""" The name of the sensor. """
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return self._name
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@property
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def unit_of_measurement(self):
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""" Unit the value is expressed in. """
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return self._unit_of_measurement
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@property
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def state(self):
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""" Returns the state. """
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if self.dweet.data is None:
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return STATE_UNKNOWN
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else:
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values = json.dumps(self.dweet.data[0]['content'])
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value = template.render_with_possible_json_value(
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self.hass, self._value_template, values)
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return value
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def update(self):
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""" Gets the latest data from REST API. """
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self.dweet.update()
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# pylint: disable=too-few-public-methods
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class DweetData(object):
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""" Class for handling the data retrieval. """
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def __init__(self, device):
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self._device = device
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self.data = None
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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def update(self):
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""" Gets the latest data from Dweet.io. """
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import dweepy
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try:
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self.data = dweepy.get_latest_dweet_for(self._device)
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except dweepy.DweepyError:
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_LOGGER.error("Device '%s' could not be found", self._device)
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self.data = None
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@ -177,3 +177,6 @@ pydispatcher==2.0.5
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# homeassistant.components.heatmiser
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heatmiserV3==0.9.1
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# homeassistant.components.sensor.dweet
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dweepy==0.2.0
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