Add Radarr sensor

.coveragerc

@@ -399,6 +399,7 @@ omit =
     homeassistant/components/sensor/pushbullet.py
     homeassistant/components/sensor/pvoutput.py
     homeassistant/components/sensor/qnap.py
+    homeassistant/components/sensor/radarr.py
     homeassistant/components/sensor/sabnzbd.py
     homeassistant/components/sensor/scrape.py
     homeassistant/components/sensor/sensehat.py

homeassistant/components/sensor/radarr.py

@@ -0,0 +1,230 @@
+"""
+Support for Radarr.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.radarr/
+"""
+import logging
+import time
+from datetime import datetime, timedelta
+
+import requests
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import (
+    CONF_API_KEY, CONF_HOST, CONF_PORT, CONF_MONITORED_CONDITIONS,
+    CONF_SSL)
+from homeassistant.helpers.entity import Entity
+from homeassistant.components.sensor import PLATFORM_SCHEMA
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_DAYS = 'days'
+CONF_INCLUDED = 'include_paths'
+CONF_UNIT = 'unit'
+CONF_URLBASE = 'urlbase'
+
+DEFAULT_HOST = 'localhost'
+DEFAULT_PORT = 7878
+DEFAULT_URLBASE = ''
+DEFAULT_DAYS = '1'
+DEFAULT_UNIT = 'GB'
+
+SCAN_INTERVAL = timedelta(minutes=10)
+
+SENSOR_TYPES = {
+    'diskspace': ['Disk Space', 'GB', 'mdi:harddisk'],
+    'upcoming': ['Upcoming', 'Movies', 'mdi:television'],
+    'wanted': ['Wanted', 'Movies', 'mdi:television'],
+    'movies': ['Movies', 'Movies', 'mdi:television'],
+    'commands': ['Commands', 'Commands', 'mdi:code-braces'],
+    'status': ['Status', 'Status', 'mdi:information']
+}
+
+ENDPOINTS = {
+    'diskspace': 'http{0}://{1}:{2}/{3}api/diskspace',
+    'upcoming':
+        'http{0}://{1}:{2}/{3}api/calendar?start={4}&end={5}',
+    'movies': 'http{0}://{1}:{2}/{3}api/movie',
+    'commands': 'http{0}://{1}:{2}/{3}api/command',
+    'status': 'http{0}://{1}:{2}/{3}api/system/status'
+}
+
+# Support to Yottabytes for the future, why not
+BYTE_SIZES = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB']
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_API_KEY): cv.string,
+    vol.Required(CONF_MONITORED_CONDITIONS, default=[]):
+        vol.All(cv.ensure_list, [vol.In(list(SENSOR_TYPES))]),
+    vol.Optional(CONF_INCLUDED, default=[]): cv.ensure_list,
+    vol.Optional(CONF_SSL, default=False): cv.boolean,
+    vol.Optional(CONF_HOST, default=DEFAULT_HOST): cv.string,
+    vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
+    vol.Optional(CONF_URLBASE, default=DEFAULT_URLBASE): cv.string,
+    vol.Optional(CONF_DAYS, default=DEFAULT_DAYS): cv.string,
+    vol.Optional(CONF_UNIT, default=DEFAULT_UNIT): vol.In(BYTE_SIZES)
+})
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Set up the Radarr platform."""
+    conditions = config.get(CONF_MONITORED_CONDITIONS)
+    add_devices(
+        [RadarrSensor(hass, config, sensor) for sensor in conditions]
+    )
+    return True
+
+
+class RadarrSensor(Entity):
+    """Implemention of the Radarr sensor."""
+
+    def __init__(self, hass, conf, sensor_type):
+        """Create Radarr entity."""
+        from pytz import timezone
+        self.conf = conf
+        self.host = conf.get(CONF_HOST)
+        self.port = conf.get(CONF_PORT)
+        self.urlbase = conf.get(CONF_URLBASE)
+        if self.urlbase:
+            self.urlbase = '{}/'.format(self.urlbase.strip('/'))
+        self.apikey = conf.get(CONF_API_KEY)
+        self.included = conf.get(CONF_INCLUDED)
+        self.days = int(conf.get(CONF_DAYS))
+        self.ssl = 's' if conf.get(CONF_SSL) else ''
+
+        # Object data
+        self.data = []
+        self._tz = timezone(str(hass.config.time_zone))
+        self.type = sensor_type
+        self._name = SENSOR_TYPES[self.type][0]
+        if self.type == 'diskspace':
+            self._unit = conf.get(CONF_UNIT)
+        else:
+            self._unit = SENSOR_TYPES[self.type][1]
+        self._icon = SENSOR_TYPES[self.type][2]
+
+        # Update sensor
+        self._available = False
+        self.update()
+
+    def update(self):
+        """Update the data for the sensor."""
+        start = get_date(self._tz)
+        end = get_date(self._tz, self.days)
+        try:
+            res = requests.get(
+                ENDPOINTS[self.type].format(
+                    self.ssl, self.host, self.port,
+                    self.urlbase, start, end),
+                headers={'X-Api-Key': self.apikey},
+                timeout=5)
+        except OSError:
+            _LOGGER.error('Host %s is not available', self.host)
+            self._available = False
+            self._state = None
+            return
+
+        if res.status_code == 200:
+            if self.type in ['upcoming', 'movies', 'commands']:
+                self.data = res.json()
+                self._state = len(self.data)
+            elif self.type == 'diskspace':
+                # If included paths are not provided, use all data
+                if self.included == []:
+                    self.data = res.json()
+                else:
+                    # Filter to only show lists that are included
+                    self.data = list(
+                        filter(
+                            lambda x: x['path'] in self.included,
+                            res.json()
+                        )
+                    )
+                self._state = '{:.2f}'.format(
+                    to_unit(
+                        sum([data['freeSpace'] for data in self.data]),
+                        self._unit
+                    )
+                )
+            elif self.type == 'status':
+                self.data = res.json()
+                self._state = self.data['version']
+            self._available = True
+
+    @property
+    def name(self):
+        """Return the name of the sensor."""
+        return '{} {}'.format('Radarr', self._name)
+
+    @property
+    def state(self):
+        """Return sensor state."""
+        return self._state
+
+    @property
+    def available(self):
+        """Return sensor availability."""
+        return self._available
+
+    @property
+    def unit_of_measurement(self):
+        """Return the unit of the sensor."""
+        return self._unit
+
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes of the sensor."""
+        attributes = {}
+        if self.type == 'upcoming':
+            for movie in self.data:
+                attributes[to_key(movie)] = get_release_date(movie)
+        elif self.type == 'commands':
+            for command in self.data:
+                attributes[command['name']] = command['state']
+        elif self.type == 'diskspace':
+            for data in self.data:
+                attributes[data['path']] = '{:.2f}/{:.2f}{} ({:.2f}%)'.format(
+                    to_unit(data['freeSpace'], self._unit),
+                    to_unit(data['totalSpace'], self._unit),
+                    self._unit, (
+                        to_unit(data['freeSpace'], self._unit) /
+                        to_unit(data['totalSpace'], self._unit) * 100
+                    )
+                )
+        elif self.type == 'movies':
+            for movie in self.data:
+                attributes[to_key(movie)] = movie['downloaded']
+        elif self.type == 'status':
+            attributes = self.data
+
+        return attributes
+
+    @property
+    def icon(self):
+        """Return the icon of the sensor."""
+        return self._icon
+
+
+def get_date(zone, offset=0):
+    """Get date based on timezone and offset of days."""
+    day = 60 * 60 * 24
+    return datetime.date(
+        datetime.fromtimestamp(time.time() + day*offset, tz=zone)
+    )
+
+
+def get_release_date(data):
+    date = data['physicalRelease']
+    if not date:
+        date = data['inCinemas']
+    return date
+
+
+def to_key(data):
+    return '{} ({})'.format(data['title'], data['year'])
+
+
+def to_unit(value, unit):
+    """Convert bytes to give unit."""
+    return value / 1024**BYTE_SIZES.index(unit)