core/homeassistant/components/sensor/lastfm.py

112 lines
3.1 KiB
Python

"""
Sensor for Last.fm account status.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.lastfm/
"""
import re
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.helpers.entity import Entity
from homeassistant.const import CONF_API_KEY
import homeassistant.helpers.config_validation as cv
REQUIREMENTS = ['pylast==1.8.0']
ATTR_LAST_PLAYED = 'last_played'
ATTR_PLAY_COUNT = 'play_count'
ATTR_TOP_PLAYED = 'top_played'
CONF_USERS = 'users'
ICON = 'mdi:lastfm'
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_API_KEY): cv.string,
vol.Required(CONF_USERS, default=[]):
vol.All(cv.ensure_list, [cv.string]),
})
# pylint: disable=unused-argument
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the Last.fm platform."""
import pylast as lastfm
network = lastfm.LastFMNetwork(api_key=config.get(CONF_API_KEY))
add_devices(
[LastfmSensor(
username, network) for username in config.get(CONF_USERS)]
)
class LastfmSensor(Entity):
"""A class for the Last.fm account."""
def __init__(self, user, lastfm):
"""Initialize the sensor."""
self._user = lastfm.get_user(user)
self._name = user
self._lastfm = lastfm
self._state = "Not Scrobbling"
self._playcount = None
self._lastplayed = None
self._topplayed = None
self._cover = None
self.update()
@property
def name(self):
"""Return the name of the sensor."""
return self._name
@property
def entity_id(self):
"""Return the entity ID."""
return 'sensor.lastfm_{}'.format(self._name)
@property
def state(self):
"""Return the state of the sensor."""
return self._state
# pylint: disable=no-member
def update(self):
"""Update device state."""
self._cover = self._user.get_image()
self._playcount = self._user.get_playcount()
last = self._user.get_recent_tracks(limit=2)[0]
self._lastplayed = "{} - {}".format(
last.track.artist, last.track.title)
top = self._user.get_top_tracks(limit=1)[0]
toptitle = re.search("', '(.+?)',", str(top))
topartist = re.search("'(.+?)',", str(top))
self._topplayed = "{} - {}".format(
topartist.group(1), toptitle.group(1))
if self._user.get_now_playing() is None:
self._state = "Not Scrobbling"
return
now = self._user.get_now_playing()
self._state = "{} - {}".format(now.artist, now.title)
@property
def device_state_attributes(self):
"""Return the state attributes."""
return {
ATTR_LAST_PLAYED: self._lastplayed,
ATTR_PLAY_COUNT: self._playcount,
ATTR_TOP_PLAYED: self._topplayed,
}
@property
def entity_picture(self):
"""Avatar of the user."""
return self._cover
@property
def icon(self):
"""Return the icon to use in the frontend."""
return ICON