core/homeassistant/components/sabnzbd.py

255 lines
8.5 KiB
Python

"""
Support for monitoring an SABnzbd NZB client.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sabnzbd/
"""
import logging
from datetime import timedelta
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.discovery import SERVICE_SABNZBD
from homeassistant.const import (
CONF_HOST, CONF_API_KEY, CONF_NAME, CONF_PORT, CONF_SENSORS, CONF_SSL)
from homeassistant.core import callback
from homeassistant.helpers import discovery
from homeassistant.helpers.dispatcher import async_dispatcher_send
from homeassistant.helpers.event import async_track_time_interval
from homeassistant.util.json import load_json, save_json
REQUIREMENTS = ['pysabnzbd==1.0.1']
_LOGGER = logging.getLogger(__name__)
DOMAIN = 'sabnzbd'
DATA_SABNZBD = 'sabznbd'
_CONFIGURING = {}
ATTR_SPEED = 'speed'
BASE_URL_FORMAT = '{}://{}:{}/'
CONFIG_FILE = 'sabnzbd.conf'
DEFAULT_HOST = 'localhost'
DEFAULT_NAME = 'SABnzbd'
DEFAULT_PORT = 8080
DEFAULT_SPEED_LIMIT = '100'
DEFAULT_SSL = False
UPDATE_INTERVAL = timedelta(seconds=30)
SERVICE_PAUSE = 'pause'
SERVICE_RESUME = 'resume'
SERVICE_SET_SPEED = 'set_speed'
SIGNAL_SABNZBD_UPDATED = 'sabnzbd_updated'
SENSOR_TYPES = {
'current_status': ['Status', None, 'status'],
'speed': ['Speed', 'MB/s', 'kbpersec'],
'queue_size': ['Queue', 'MB', 'mb'],
'queue_remaining': ['Left', 'MB', 'mbleft'],
'disk_size': ['Disk', 'GB', 'diskspacetotal1'],
'disk_free': ['Disk Free', 'GB', 'diskspace1'],
'queue_count': ['Queue Count', None, 'noofslots_total'],
'day_size': ['Daily Total', 'GB', 'day_size'],
'week_size': ['Weekly Total', 'GB', 'week_size'],
'month_size': ['Monthly Total', 'GB', 'month_size'],
'total_size': ['Total', 'GB', 'total_size'],
}
SPEED_LIMIT_SCHEMA = vol.Schema({
vol.Optional(ATTR_SPEED, default=DEFAULT_SPEED_LIMIT): cv.string,
})
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Required(CONF_API_KEY): cv.string,
vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_SENSORS):
vol.All(cv.ensure_list, [vol.In(SENSOR_TYPES)]),
vol.Optional(CONF_SSL, default=DEFAULT_SSL): cv.boolean,
}),
}, extra=vol.ALLOW_EXTRA)
async def async_check_sabnzbd(sab_api):
"""Check if we can reach SABnzbd."""
from pysabnzbd import SabnzbdApiException
try:
await sab_api.check_available()
return True
except SabnzbdApiException:
_LOGGER.error("Connection to SABnzbd API failed")
return False
async def async_configure_sabnzbd(hass, config, use_ssl, name=DEFAULT_NAME,
api_key=None):
"""Try to configure Sabnzbd and request api key if configuration fails."""
from pysabnzbd import SabnzbdApi
host = config[CONF_HOST]
port = config[CONF_PORT]
uri_scheme = 'https' if use_ssl else 'http'
base_url = BASE_URL_FORMAT.format(uri_scheme, host, port)
if api_key is None:
conf = await hass.async_add_job(load_json,
hass.config.path(CONFIG_FILE))
api_key = conf.get(base_url, {}).get(CONF_API_KEY, '')
sab_api = SabnzbdApi(base_url, api_key)
if await async_check_sabnzbd(sab_api):
async_setup_sabnzbd(hass, sab_api, config, name)
else:
async_request_configuration(hass, config, base_url)
async def async_setup(hass, config):
"""Setup the SABnzbd component."""
async def sabnzbd_discovered(service, info):
"""Handle service discovery."""
ssl = info.get('properties', {}).get('https', '0') == '1'
await async_configure_sabnzbd(hass, info, ssl)
discovery.async_listen(hass, SERVICE_SABNZBD, sabnzbd_discovered)
conf = config.get(DOMAIN)
if conf is not None:
use_ssl = conf.get(CONF_SSL)
name = conf.get(CONF_NAME)
api_key = conf.get(CONF_API_KEY)
await async_configure_sabnzbd(hass, conf, use_ssl, name, api_key)
return True
@callback
def async_setup_sabnzbd(hass, sab_api, config, name):
"""Setup SABnzbd sensors and services."""
sab_api_data = SabnzbdApiData(sab_api, name, config.get(CONF_SENSORS, {}))
if config.get(CONF_SENSORS):
hass.data[DATA_SABNZBD] = sab_api_data
hass.async_create_task(
discovery.async_load_platform(hass, 'sensor', DOMAIN, {}, config))
async def async_service_handler(service):
"""Handle service calls."""
if service.service == SERVICE_PAUSE:
await sab_api_data.async_pause_queue()
elif service.service == SERVICE_RESUME:
await sab_api_data.async_resume_queue()
elif service.service == SERVICE_SET_SPEED:
speed = service.data.get(ATTR_SPEED)
await sab_api_data.async_set_queue_speed(speed)
hass.services.async_register(DOMAIN, SERVICE_PAUSE,
async_service_handler,
schema=vol.Schema({}))
hass.services.async_register(DOMAIN, SERVICE_RESUME,
async_service_handler,
schema=vol.Schema({}))
hass.services.async_register(DOMAIN, SERVICE_SET_SPEED,
async_service_handler,
schema=SPEED_LIMIT_SCHEMA)
async def async_update_sabnzbd(now):
"""Refresh SABnzbd queue data."""
from pysabnzbd import SabnzbdApiException
try:
await sab_api.refresh_data()
async_dispatcher_send(hass, SIGNAL_SABNZBD_UPDATED, None)
except SabnzbdApiException as err:
_LOGGER.error(err)
async_track_time_interval(hass, async_update_sabnzbd, UPDATE_INTERVAL)
@callback
def async_request_configuration(hass, config, host):
"""Request configuration steps from the user."""
from pysabnzbd import SabnzbdApi
configurator = hass.components.configurator
# We got an error if this method is called while we are configuring
if host in _CONFIGURING:
configurator.async_notify_errors(
_CONFIGURING[host],
'Failed to register, please try again.')
return
async def async_configuration_callback(data):
"""Handle configuration changes."""
api_key = data.get(CONF_API_KEY)
sab_api = SabnzbdApi(host, api_key)
if not await async_check_sabnzbd(sab_api):
return
def success():
"""Setup was successful."""
conf = load_json(hass.config.path(CONFIG_FILE))
conf[host] = {CONF_API_KEY: api_key}
save_json(hass.config.path(CONFIG_FILE), conf)
req_config = _CONFIGURING.pop(host)
configurator.request_done(req_config)
hass.async_add_job(success)
async_setup_sabnzbd(hass, sab_api, config,
config.get(CONF_NAME, DEFAULT_NAME))
_CONFIGURING[host] = configurator.async_request_config(
DEFAULT_NAME,
async_configuration_callback,
description='Enter the API Key',
submit_caption='Confirm',
fields=[{'id': CONF_API_KEY, 'name': 'API Key', 'type': ''}]
)
class SabnzbdApiData:
"""Class for storing/refreshing sabnzbd api queue data."""
def __init__(self, sab_api, name, sensors):
"""Initialize component."""
self.sab_api = sab_api
self.name = name
self.sensors = sensors
async def async_pause_queue(self):
"""Pause Sabnzbd queue."""
from pysabnzbd import SabnzbdApiException
try:
return await self.sab_api.pause_queue()
except SabnzbdApiException as err:
_LOGGER.error(err)
return False
async def async_resume_queue(self):
"""Resume Sabnzbd queue."""
from pysabnzbd import SabnzbdApiException
try:
return await self.sab_api.resume_queue()
except SabnzbdApiException as err:
_LOGGER.error(err)
return False
async def async_set_queue_speed(self, limit):
"""Set speed limit for the Sabnzbd queue."""
from pysabnzbd import SabnzbdApiException
try:
return await self.sab_api.set_speed_limit(limit)
except SabnzbdApiException as err:
_LOGGER.error(err)
return False
def get_queue_field(self, field):
"""Return the value for the given field from the Sabnzbd queue."""
return self.sab_api.queue.get(field)