109 lines
3.2 KiB
Python
109 lines
3.2 KiB
Python
"""Support for Plex media server monitoring."""
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import logging
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from homeassistant.helpers.debounce import Debouncer
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity import Entity
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from .const import (
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CONF_SERVER_IDENTIFIER,
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DISPATCHERS,
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DOMAIN as PLEX_DOMAIN,
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NAME_FORMAT,
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PLEX_UPDATE_SENSOR_SIGNAL,
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SERVERS,
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)
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up Plex sensor from a config entry."""
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server_id = config_entry.data[CONF_SERVER_IDENTIFIER]
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plexserver = hass.data[PLEX_DOMAIN][SERVERS][server_id]
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sensor = PlexSensor(hass, plexserver)
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async_add_entities([sensor])
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class PlexSensor(Entity):
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"""Representation of a Plex now playing sensor."""
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def __init__(self, hass, plex_server):
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"""Initialize the sensor."""
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self._state = None
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self._server = plex_server
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self._name = NAME_FORMAT.format(plex_server.friendly_name)
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self._unique_id = f"sensor-{plex_server.machine_identifier}"
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self.async_refresh_sensor = Debouncer(
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hass,
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_LOGGER,
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cooldown=3,
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immediate=False,
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function=self._async_refresh_sensor,
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).async_call
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async def async_added_to_hass(self):
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"""Run when about to be added to hass."""
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server_id = self._server.machine_identifier
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unsub = async_dispatcher_connect(
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self.hass,
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PLEX_UPDATE_SENSOR_SIGNAL.format(server_id),
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self.async_refresh_sensor,
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)
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self.hass.data[PLEX_DOMAIN][DISPATCHERS][server_id].append(unsub)
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async def _async_refresh_sensor(self):
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"""Set instance object and trigger an entity state update."""
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_LOGGER.debug("Refreshing sensor [%s]", self.unique_id)
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self._state = len(self._server.sensor_attributes)
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self.async_write_ha_state()
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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 unique_id(self):
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"""Return the id of this plex client."""
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return self._unique_id
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@property
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def should_poll(self):
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"""Return True if entity has to be polled for state."""
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return False
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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._state
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@property
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def unit_of_measurement(self):
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"""Return the unit this state is expressed in."""
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return "Watching"
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@property
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def icon(self):
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"""Return the icon of the sensor."""
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return "mdi:plex"
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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return self._server.sensor_attributes
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@property
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def device_info(self):
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"""Return a device description for device registry."""
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if self.unique_id is None:
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return None
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return {
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"identifiers": {(PLEX_DOMAIN, self._server.machine_identifier)},
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"manufacturer": "Plex",
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"model": "Plex Media Server",
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"name": "Activity Sensor",
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"sw_version": self._server.version,
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}
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