124 lines
4.5 KiB
Python
124 lines
4.5 KiB
Python
"""
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Support for monitoring OctoPrint sensors.
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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.octoprint/
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"""
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import logging
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import requests
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from homeassistant.const import TEMP_CELSIUS, CONF_NAME
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from homeassistant.helpers.entity import Entity
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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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"Temperatures": ["printer", "temperature", "*", TEMP_CELSIUS],
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"Current State": ["printer", "state", "text", None],
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"Job Percentage": ["job", "progress", "completion", "%"],
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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 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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types = ["actual", "target"]
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for octo_type in monitored_conditions:
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if octo_type == "Temperatures":
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for tool in octoprint.OCTOPRINT.get_tools():
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for temp_type in types:
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new_sensor = OctoPrintSensor(octoprint.OCTOPRINT,
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temp_type,
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temp_type,
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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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tool)
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devices.append(new_sensor)
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elif octo_type in SENSOR_TYPES:
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new_sensor = OctoPrintSensor(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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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 OctoPrintSensor(Entity):
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"""Representation of an OctoPrint 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 + ' ' + tool + ' temp'
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self.sensor_type = sensor_type
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self.api = api
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self._state = None
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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 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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sensor_unit = self.unit_of_measurement
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if sensor_unit == TEMP_CELSIUS or sensor_unit == "%":
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# API sometimes returns null and not 0
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if self._state is None:
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self._state = 0
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return round(self._state, 2)
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else:
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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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"""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 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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return
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