111 lines
3.7 KiB
Python
111 lines
3.7 KiB
Python
"""
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Support for monitoring OctoPrint binary sensors.
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Uses OctoPrint REST JSON API to query for monitored variables.
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For more details about this component, please refer to the documentation at
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http://docs.octoprint.org/en/master/api/
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"""
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import logging
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import requests
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from homeassistant.const import CONF_NAME, STATE_ON, STATE_OFF
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from homeassistant.components.binary_sensor import BinarySensorDevice
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from homeassistant.loader import get_component
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DEPENDENCIES = ["octoprint"]
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SENSOR_TYPES = {
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# API Endpoint, Group, Key, unit
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"Printing": ["printer", "state", "printing", None],
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"Printing Error": ["printer", "state", "error", None]
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}
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_LOGGER = logging.getLogger(__name__)
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the available OctoPrint binary sensors."""
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octoprint = get_component('octoprint')
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name = config.get(CONF_NAME, "OctoPrint")
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monitored_conditions = config.get("monitored_conditions",
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SENSOR_TYPES.keys())
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devices = []
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for octo_type in monitored_conditions:
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if octo_type in SENSOR_TYPES:
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new_sensor = OctoPrintBinarySensor(octoprint.OCTOPRINT,
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octo_type,
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SENSOR_TYPES[octo_type][2],
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name,
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SENSOR_TYPES[octo_type][3],
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SENSOR_TYPES[octo_type][0],
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SENSOR_TYPES[octo_type][1],
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"flags")
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devices.append(new_sensor)
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else:
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_LOGGER.error("Unknown OctoPrint sensor type: %s", octo_type)
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add_devices(devices)
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# pylint: disable=too-many-instance-attributes
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class OctoPrintBinarySensor(BinarySensorDevice):
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"""Represents an OctoPrint binary sensor."""
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# pylint: disable=too-many-arguments
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def __init__(self, api, condition, sensor_type, sensor_name,
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unit, endpoint, group, tool=None):
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"""Initialize a new OctoPrint sensor."""
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self.sensor_name = sensor_name
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if tool is None:
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self._name = sensor_name + ' ' + condition
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else:
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self._name = sensor_name + ' ' + condition
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self.sensor_type = sensor_type
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self.api = api
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self._state = False
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self._unit_of_measurement = unit
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self.api_endpoint = endpoint
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self.api_group = group
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self.api_tool = tool
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# Set initial state
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self.update()
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_LOGGER.debug("created OctoPrint binary sensor %r", self)
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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.is_on
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@property
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def is_on(self):
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"""Return true if binary sensor is on."""
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if self._state:
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return STATE_ON
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else:
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return STATE_OFF
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@property
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def sensor_class(self):
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"""Return the class of this sensor, from SENSOR_CLASSES."""
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return None
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def update(self):
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"""Update state of sensor."""
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try:
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self._state = self.api.update(self.sensor_type,
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self.api_endpoint,
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self.api_group,
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self.api_tool)
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except requests.exceptions.ConnectionError:
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# Error calling the api, already logged in api.update()
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return
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if self._state is None:
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_LOGGER.warning("unable to locate value for %s", self.sensor_type)
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