119 lines
4.0 KiB
Python
119 lines
4.0 KiB
Python
"""Support for monitoring OctoPrint sensors."""
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import logging
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import requests
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from homeassistant.const import TEMP_CELSIUS
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from homeassistant.helpers.entity import Entity
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from . import DOMAIN as COMPONENT_DOMAIN, SENSOR_TYPES
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['octoprint']
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NOTIFICATION_ID = 'octoprint_notification'
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NOTIFICATION_TITLE = 'OctoPrint sensor setup error'
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the available OctoPrint sensors."""
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if discovery_info is None:
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return
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name = discovery_info['name']
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base_url = discovery_info['base_url']
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monitored_conditions = discovery_info['sensors']
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octoprint_api = hass.data[COMPONENT_DOMAIN][base_url]
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tools = octoprint_api.get_tools()
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if "Temperatures" in monitored_conditions:
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if not tools:
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hass.components.persistent_notification.create(
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'Your printer appears to be offline.<br />'
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'If you do not want to have your printer on <br />'
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' at all times, and you would like to monitor <br /> '
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'temperatures, please add <br />'
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'bed and/or number_of_tools to your config <br />'
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'and restart.',
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title=NOTIFICATION_TITLE,
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notification_id=NOTIFICATION_ID)
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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 tools:
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for temp_type in types:
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new_sensor = OctoPrintSensor(
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octoprint_api, temp_type, temp_type, name,
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SENSOR_TYPES[octo_type][3], SENSOR_TYPES[octo_type][0],
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SENSOR_TYPES[octo_type][1], tool)
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devices.append(new_sensor)
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else:
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new_sensor = OctoPrintSensor(
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octoprint_api, octo_type, SENSOR_TYPES[octo_type][2],
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name, SENSOR_TYPES[octo_type][3], SENSOR_TYPES[octo_type][0],
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SENSOR_TYPES[octo_type][1], None, SENSOR_TYPES[octo_type][4])
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devices.append(new_sensor)
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add_entities(devices, True)
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class OctoPrintSensor(Entity):
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"""Representation of an OctoPrint sensor."""
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def __init__(self, api, condition, sensor_type, sensor_name, unit,
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endpoint, group, tool=None, icon=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 = '{} {}'.format(sensor_name, condition)
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else:
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self._name = '{} {} {} {}'.format(
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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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self._icon = icon
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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 in (TEMP_CELSIUS, "%"):
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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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return self._state
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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 state of sensor."""
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try:
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self._state = self.api.update(
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self.sensor_type, self.api_endpoint, 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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@property
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def icon(self):
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"""Icon to use in the frontend."""
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return self._icon
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