mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
4e07ab1b32
* Move temperature conversions to entity base class (1/8) * Update integrations a-c * Leave old temperature conversion until all integrations are migrated * tweak * Use contextlib.suppress * Remove the MeasurableUnitEntity mixin * Address comments, add tests * Fix f-string * Drop deprecation warning from base entity class * Update with _attr-shorthand * Fix rebase mistakes * Fix additional rebase mistakes * Only report temperature conversion once * Fix additional rebase mistakes * Format homeassistant/components/bbox/sensor.py * Fix check for overidden _attr_state * Remove test workarounds from implementation * Remove useless None-check * Tweaks * Migrate new sensors a-c * Update climacell * Push deprecation of temperature conversion forward * Override __repr__ in SensorEntity * Include native_value in SensorEntity attributes * Pylint * Black * Black * Fix rebase mistakes * black * Fix rebase mistakes * Revert changes in august/sensor.py * Revert handling of unit converted restored state * Apply code review suggestion * Fix arlo test
340 lines
10 KiB
Python
340 lines
10 KiB
Python
"""Details about printers which are connected to CUPS."""
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from datetime import timedelta
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import importlib
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import logging
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
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from homeassistant.const import CONF_HOST, CONF_PORT, PERCENTAGE
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from homeassistant.exceptions import PlatformNotReady
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import homeassistant.helpers.config_validation as cv
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_LOGGER = logging.getLogger(__name__)
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ATTR_MARKER_TYPE = "marker_type"
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ATTR_MARKER_LOW_LEVEL = "marker_low_level"
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ATTR_MARKER_HIGH_LEVEL = "marker_high_level"
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ATTR_PRINTER_NAME = "printer_name"
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ATTR_DEVICE_URI = "device_uri"
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ATTR_PRINTER_INFO = "printer_info"
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ATTR_PRINTER_IS_SHARED = "printer_is_shared"
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ATTR_PRINTER_LOCATION = "printer_location"
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ATTR_PRINTER_MODEL = "printer_model"
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ATTR_PRINTER_STATE_MESSAGE = "printer_state_message"
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ATTR_PRINTER_STATE_REASON = "printer_state_reason"
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ATTR_PRINTER_TYPE = "printer_type"
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ATTR_PRINTER_URI_SUPPORTED = "printer_uri_supported"
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CONF_PRINTERS = "printers"
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CONF_IS_CUPS_SERVER = "is_cups_server"
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DEFAULT_HOST = "127.0.0.1"
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DEFAULT_PORT = 631
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DEFAULT_IS_CUPS_SERVER = True
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ICON_PRINTER = "mdi:printer"
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ICON_MARKER = "mdi:water"
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SCAN_INTERVAL = timedelta(minutes=1)
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PRINTER_STATES = {3: "idle", 4: "printing", 5: "stopped"}
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_PRINTERS): vol.All(cv.ensure_list, [cv.string]),
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vol.Optional(CONF_IS_CUPS_SERVER, default=DEFAULT_IS_CUPS_SERVER): cv.boolean,
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vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
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}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the CUPS sensor."""
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host = config[CONF_HOST]
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port = config[CONF_PORT]
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printers = config[CONF_PRINTERS]
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is_cups = config[CONF_IS_CUPS_SERVER]
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if is_cups:
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data = CupsData(host, port, None)
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data.update()
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if data.available is False:
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_LOGGER.error("Unable to connect to CUPS server: %s:%s", host, port)
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raise PlatformNotReady()
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dev = []
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for printer in printers:
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if printer not in data.printers:
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_LOGGER.error("Printer is not present: %s", printer)
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continue
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dev.append(CupsSensor(data, printer))
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if "marker-names" in data.attributes[printer]:
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for marker in data.attributes[printer]["marker-names"]:
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dev.append(MarkerSensor(data, printer, marker, True))
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add_entities(dev, True)
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return
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data = CupsData(host, port, printers)
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data.update()
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if data.available is False:
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_LOGGER.error("Unable to connect to IPP printer: %s:%s", host, port)
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raise PlatformNotReady()
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dev = []
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for printer in printers:
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dev.append(IPPSensor(data, printer))
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if "marker-names" in data.attributes[printer]:
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for marker in data.attributes[printer]["marker-names"]:
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dev.append(MarkerSensor(data, printer, marker, False))
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add_entities(dev, True)
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class CupsSensor(SensorEntity):
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"""Representation of a CUPS sensor."""
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def __init__(self, data, printer):
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"""Initialize the CUPS sensor."""
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self.data = data
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self._name = printer
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self._printer = None
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self._available = False
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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 native_value(self):
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"""Return the state of the sensor."""
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if self._printer is None:
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return None
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key = self._printer["printer-state"]
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return PRINTER_STATES.get(key, key)
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@property
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def available(self):
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"""Return True if entity is available."""
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return self._available
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@property
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def icon(self):
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"""Return the icon to use in the frontend, if any."""
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return ICON_PRINTER
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@property
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def extra_state_attributes(self):
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"""Return the state attributes of the sensor."""
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if self._printer is None:
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return None
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return {
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ATTR_DEVICE_URI: self._printer["device-uri"],
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ATTR_PRINTER_INFO: self._printer["printer-info"],
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ATTR_PRINTER_IS_SHARED: self._printer["printer-is-shared"],
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ATTR_PRINTER_LOCATION: self._printer["printer-location"],
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ATTR_PRINTER_MODEL: self._printer["printer-make-and-model"],
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ATTR_PRINTER_STATE_MESSAGE: self._printer["printer-state-message"],
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ATTR_PRINTER_STATE_REASON: self._printer["printer-state-reasons"],
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ATTR_PRINTER_TYPE: self._printer["printer-type"],
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ATTR_PRINTER_URI_SUPPORTED: self._printer["printer-uri-supported"],
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}
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def update(self):
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"""Get the latest data and updates the states."""
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self.data.update()
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self._printer = self.data.printers.get(self._name)
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self._available = self.data.available
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class IPPSensor(SensorEntity):
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"""Implementation of the IPPSensor.
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This sensor represents the status of the printer.
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"""
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def __init__(self, data, name):
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"""Initialize the sensor."""
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self.data = data
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self._name = name
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self._attributes = None
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self._available = False
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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._attributes["printer-make-and-model"]
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@property
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def icon(self):
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"""Return the icon to use in the frontend."""
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return ICON_PRINTER
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@property
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def available(self):
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"""Return True if entity is available."""
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return self._available
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@property
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def native_value(self):
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"""Return the state of the sensor."""
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if self._attributes is None:
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return None
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key = self._attributes["printer-state"]
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return PRINTER_STATES.get(key, key)
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@property
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def extra_state_attributes(self):
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"""Return the state attributes of the sensor."""
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if self._attributes is None:
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return None
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state_attributes = {}
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if "printer-info" in self._attributes:
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state_attributes[ATTR_PRINTER_INFO] = self._attributes["printer-info"]
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if "printer-location" in self._attributes:
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state_attributes[ATTR_PRINTER_LOCATION] = self._attributes[
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"printer-location"
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]
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if "printer-state-message" in self._attributes:
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state_attributes[ATTR_PRINTER_STATE_MESSAGE] = self._attributes[
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"printer-state-message"
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]
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if "printer-state-reasons" in self._attributes:
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state_attributes[ATTR_PRINTER_STATE_REASON] = self._attributes[
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"printer-state-reasons"
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]
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if "printer-uri-supported" in self._attributes:
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state_attributes[ATTR_PRINTER_URI_SUPPORTED] = self._attributes[
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"printer-uri-supported"
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]
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return state_attributes
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def update(self):
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"""Fetch new state data for the sensor."""
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self.data.update()
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self._attributes = self.data.attributes.get(self._name)
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self._available = self.data.available
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class MarkerSensor(SensorEntity):
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"""Implementation of the MarkerSensor.
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This sensor represents the percentage of ink or toner.
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"""
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def __init__(self, data, printer, name, is_cups):
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"""Initialize the sensor."""
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self.data = data
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self._name = name
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self._printer = printer
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self._index = data.attributes[printer]["marker-names"].index(name)
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self._is_cups = is_cups
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self._attributes = None
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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 icon(self):
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"""Return the icon to use in the frontend."""
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return ICON_MARKER
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@property
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def native_value(self):
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"""Return the state of the sensor."""
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if self._attributes is None:
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return None
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return self._attributes[self._printer]["marker-levels"][self._index]
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@property
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def native_unit_of_measurement(self):
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"""Return the unit of measurement."""
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return PERCENTAGE
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@property
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def extra_state_attributes(self):
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"""Return the state attributes of the sensor."""
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if self._attributes is None:
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return None
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high_level = self._attributes[self._printer].get("marker-high-levels")
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if isinstance(high_level, list):
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high_level = high_level[self._index]
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low_level = self._attributes[self._printer].get("marker-low-levels")
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if isinstance(low_level, list):
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low_level = low_level[self._index]
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marker_types = self._attributes[self._printer]["marker-types"]
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if isinstance(marker_types, list):
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marker_types = marker_types[self._index]
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if self._is_cups:
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printer_name = self._printer
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else:
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printer_name = self._attributes[self._printer]["printer-make-and-model"]
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return {
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ATTR_MARKER_HIGH_LEVEL: high_level,
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ATTR_MARKER_LOW_LEVEL: low_level,
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ATTR_MARKER_TYPE: marker_types,
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ATTR_PRINTER_NAME: printer_name,
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}
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def update(self):
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"""Update the state of the sensor."""
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# Data fetching is done by CupsSensor/IPPSensor
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self._attributes = self.data.attributes
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class CupsData:
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"""Get the latest data from CUPS and update the state."""
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def __init__(self, host, port, ipp_printers):
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"""Initialize the data object."""
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self._host = host
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self._port = port
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self._ipp_printers = ipp_printers
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self.is_cups = ipp_printers is None
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self.printers = None
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self.attributes = {}
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self.available = False
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def update(self):
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"""Get the latest data from CUPS."""
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cups = importlib.import_module("cups")
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try:
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conn = cups.Connection(host=self._host, port=self._port)
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if self.is_cups:
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self.printers = conn.getPrinters()
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for printer in self.printers:
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self.attributes[printer] = conn.getPrinterAttributes(name=printer)
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else:
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for ipp_printer in self._ipp_printers:
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self.attributes[ipp_printer] = conn.getPrinterAttributes(
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uri=f"ipp://{self._host}:{self._port}/{ipp_printer}"
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)
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self.available = True
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except RuntimeError:
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self.available = False
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