mirror of
https://github.com/home-assistant/core
synced 2024-09-03 08:14:07 +02:00
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
"""Support for SMS dongle sensor."""
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import logging
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import gammu # pylint: disable=import-error
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import SIGNAL_STRENGTH_DECIBELS
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import DOMAIN, SMS_GATEWAY
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the GSM Signal Sensor sensor."""
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gateway = hass.data[DOMAIN][SMS_GATEWAY]
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imei = await gateway.get_imei_async()
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async_add_entities(
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[
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GSMSignalSensor(
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hass,
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gateway,
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imei,
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SensorEntityDescription(
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key="signal",
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name=f"gsm_signal_imei_{imei}",
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device_class=SensorDeviceClass.SIGNAL_STRENGTH,
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native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS,
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entity_registry_enabled_default=False,
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),
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)
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],
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True,
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)
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class GSMSignalSensor(SensorEntity):
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"""Implementation of a GSM Signal sensor."""
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def __init__(self, hass, gateway, imei, description):
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"""Initialize the GSM Signal sensor."""
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self._attr_device_info = DeviceInfo(
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identifiers={(DOMAIN, str(imei))},
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name="SMS Gateway",
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)
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self._attr_unique_id = str(imei)
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self._hass = hass
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self._gateway = gateway
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self._state = None
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self.entity_description = description
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@property
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def available(self):
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"""Return if the sensor data are available."""
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return self._state is not None
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@property
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def native_value(self):
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"""Return the state of the device."""
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return self._state["SignalStrength"]
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async def async_update(self):
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"""Get the latest data from the modem."""
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try:
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self._state = await self._gateway.get_signal_quality_async()
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except gammu.GSMError as exc:
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_LOGGER.error("Failed to read signal quality: %s", exc)
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@property
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def extra_state_attributes(self):
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"""Return the sensor attributes."""
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return self._state
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