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mirror of https://github.com/home-assistant/core synced 2024-08-28 03:36:46 +02:00
ha-core/homeassistant/components/folder/sensor.py

95 lines
2.9 KiB
Python

"""Sensor for monitoring the contents of a folder."""
from __future__ import annotations
from datetime import timedelta
import glob
import logging
import os
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA,
SensorDeviceClass,
SensorEntity,
)
from homeassistant.const import UnitOfInformation
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
_LOGGER = logging.getLogger(__name__)
CONF_FOLDER_PATHS = "folder"
CONF_FILTER = "filter"
DEFAULT_FILTER = "*"
SCAN_INTERVAL = timedelta(minutes=1)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_FOLDER_PATHS): cv.isdir,
vol.Optional(CONF_FILTER, default=DEFAULT_FILTER): cv.string,
}
)
def get_files_list(folder_path: str, filter_term: str) -> list[str]:
"""Return the list of files, applying filter."""
query = folder_path + filter_term
files_list = glob.glob(query)
return files_list
def get_size(files_list: list[str]) -> int:
"""Return the sum of the size in bytes of files in the list."""
size_list = [os.stat(f).st_size for f in files_list if os.path.isfile(f)]
return sum(size_list)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the folder sensor."""
path: str = config[CONF_FOLDER_PATHS]
if not hass.config.is_allowed_path(path):
_LOGGER.error("Folder %s is not valid or allowed", path)
else:
folder = Folder(path, config[CONF_FILTER])
add_entities([folder], True)
class Folder(SensorEntity):
"""Representation of a folder."""
_attr_device_class = SensorDeviceClass.DATA_SIZE
_attr_icon = "mdi:folder"
_attr_native_unit_of_measurement = UnitOfInformation.MEGABYTES
def __init__(self, folder_path: str, filter_term: str) -> None:
"""Initialize the data object."""
folder_path = os.path.join(folder_path, "") # If no trailing / add it
self._folder_path = folder_path # Need to check its a valid path
self._filter_term = filter_term
self._attr_name = os.path.split(os.path.split(folder_path)[0])[1]
def update(self) -> None:
"""Update the sensor."""
files_list = get_files_list(self._folder_path, self._filter_term)
number_of_files = len(files_list)
size = get_size(files_list)
self._attr_native_value = round(size / 1e6, 2)
self._attr_extra_state_attributes = {
"path": self._folder_path,
"filter": self._filter_term,
"number_of_files": number_of_files,
"bytes": size,
"file_list": files_list,
}