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