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69 lines
1.7 KiB
69 lines
1.7 KiB
"""
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Sensor for checking the size of your HA database file.
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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.database
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"""
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import logging
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import os
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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PATH = "/config/home-assistant_v2.db"
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the database sensor."""
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db = Database(PATH)
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add_devices([db], True)
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class Database(Entity):
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"""Representation of the HA database."""
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ICON = 'mdi:harddisk'
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def __init__(self, path):
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"""Initialize the data object."""
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self._path = path # Need to check its a valid path
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self._size = None
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self._name = "Database_sensor"
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self._attributes = {}
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self._unit_of_measurement = 'MB'
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self.update()
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def update(self):
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"""Get the size of the database."""
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self._size = self.get_db_size(self._path)
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def get_db_size(self, path):
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statinfo = os.stat(path)
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decimals = 2
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db_size = round(statinfo.st_size/1e6, decimals)
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return db_size
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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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return self._size
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@property
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def icon(self):
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"""Icon to use in the frontend, if any."""
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return self.ICON
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@property
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def device_state_attributes(self):
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"""Attributes."""
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return self._attributes
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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 |