class DBUSRemoteSession(dbus.service.Object):
def __init__(self):
# Application data:
self._session = EasySession()
# DBUS data:
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(MUNIN_BUS_NAME, bus=bus)
dbus.service.Object.__init__(self, bus_name, '/org/libmunin')
#####################
# Rebuild methods #
#####################
@dbus.service.signal(dbus_interface=MUNIN_INTERFACE)
def rebuild_finished(self):
LOGGER.warning('Server: triggerred rebuild finished')
@dbus.service.signal(dbus_interface=MUNIN_INTERFACE)
def rebuild_started(self):
LOGGER.warning('Server: rebuild was started')
@dbus.service.method(MUNIN_BUS_NAME)
def rebuild(self, strategy='full'):
self.rebuild_started()
time.sleep(2)
self.rebuild_finished()
@dbus.service.method(MUNIN_BUS_NAME)
def fix_graph(self):
self._session.fix_graph()
#############
# Mapping #
#############
@dbus.service.method(MUNIN_BUS_NAME, out_signature='a{uu}')
def mapping(self):
return dict(self._session.mapping)
@dbus.service.method(MUNIN_BUS_NAME, out_signature='a{uu}')
def inverse_mapping(self):
return dict(~self._session.mapping)
@dbus.service.method(MUNIN_BUS_NAME, out_signature='u')
def forward_lookup(self, munin_id):
return self._session.mapping[munin_id:]
@dbus.service.method(MUNIN_BUS_NAME, out_signature='u')
def inverse_lookup(self, user_id):
return self._session.mapping[:user_id]
######################
# Song modifcation #
######################
@dbus.service.method(MUNIN_BUS_NAME, in_signature='su')
def add(self, json_mapping, user_id):
uid = self._session.add(json.loads(json_mapping))
self._session.mapping[uid] = user_id
@dbus.service.method(MUNIN_BUS_NAME, in_signature='su')
def insert(self, json_mapping, user_id):
uid = self._session.insert(json.loads(json_mapping))
self._session.mapping[uid] = user_id
@dbus.service.method(MUNIN_BUS_NAME, in_signature='su')
def remove(self, json_mapping, user_id):
uid = self._session.remove(json.loads(json_mapping))
del self._session.mapping[uid]
#####################
# Recommendations #
#####################
@dbus.service.method(MUNIN_BUS_NAME, in_signature='uu')
def recommendations_from_seed(self, song_id, number):
uid = self._session.mapping[:song_id]
self._session.recommendations_from_seed(uid, number)
# TODO
####################
# Misc Functions #
####################
@dbus.service.method(MUNIN_BUS_NAME)
def name(self):
return self._session.name
MY_DATABASE = [
# Artist: Album: Title: Genre:
('Akrea' , 'Lebenslinie' , 'Trugbild' , 'death metal'),
('Vogelfrey' , 'Wiegenfest' , 'Heldentod' , 'folk metal'),
('Letzte Instanz' , 'Götter auf Abruf' , 'Salve te' , 'folk rock'),
('Debauchery' , 'Continue to Kill' , 'Apostle of War' , 'brutal death')
]
session = EasySession()
with session.transaction():
for idx, (artist, album, title, genre) in enumerate(MY_DATABASE):
session.mapping[session.add({
'artist': artist,
'album': album,
'title': title,
'genre': genre
})] = idx
print('2 Recommendations to: {}'.format(MY_DATABASE[0]))
for munin_song in session.recommend_from_seed(session[0], 2):
print(' ', MY_DATABASE[munin_song.uid])
print('3 Recommendations to: {}'.format(MY_DATABASE[1]))
for munin_song in session.recommend_from_seed(session[1], 3):
print(' ', MY_DATABASE[munin_song.uid])
if '--plot' in sys.argv:
from munin.easy import EasySession
MY_DATABASE = [
# Artist: Album: Title: Genre:
('Akrea', 'Lebenslinie', 'Trugbild', 'death metal'),
('Vogelfrey', 'Wiegenfest', 'Heldentod', 'folk metal'),
('Letzte Instanz', 'Götter auf Abruf', 'Salve te', 'folk rock'),
('Debauchery', 'Continue to Kill', 'Apostle of War', 'brutal death')
]
session = EasySession()
with session.transaction():
for idx, (artist, album, title, genre) in enumerate(MY_DATABASE):
session.mapping[session.add({
'artist': artist,
'album': album,
'title': title,
'genre': genre
})] = idx
print('2 Recommendations to: {}'.format(MY_DATABASE[0]))
for munin_song in session.recommend_from_seed(session[0], 2):
print(' ', MY_DATABASE[munin_song.uid])
print('3 Recommendations to: {}'.format(MY_DATABASE[1]))
for munin_song in session.recommend_from_seed(session[1], 3):
print(' ', MY_DATABASE[munin_song.uid])
if '--plot' in sys.argv:
print('Now rendering a plot of the relation graph...')
vx = {idx: row[0] for idx, row in enumerate(MY_DATABASE)}
session.database.plot(width=300, height=300, vx_mapping=vx)
g.client.connect(port=6601)
moosecat.boot.boot_metadata()
moosecat.boot.boot_store()
# Fetch the whole database into entries:
entries = []
with g.client.store.query('*', queue_only=False) as playlist:
for song in playlist:
entries.append(make_entry(song))
# Instance a new EasySession and fill in the values.
session = EasySession()
with session.transaction():
for uri, entry in entries:
try:
print('Processing:', entry['bpm'])
session.mapping[session.add(entry)] = uri
except:
import traceback
traceback.print_exc()
# Save the Session to disk (~/.cache/libmunin/EasySession.gz)
session.save()
# Plot if desired.
if '--plot' in sys.argv:
session.database.plot()
# Close the connection to MPD, save cached database
moosecat.boot.shutdown_application()
class DBUSRemoteSession(dbus.service.Object):
def __init__(self):
# Application data:
self._session = EasySession()
# DBUS data:
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(MUNIN_BUS_NAME, bus=bus)
dbus.service.Object.__init__(self, bus_name, '/org/libmunin')
#####################
# Rebuild methods #
#####################
@dbus.service.signal(dbus_interface=MUNIN_INTERFACE)
def rebuild_finished(self):
LOGGER.warning('Server: triggerred rebuild finished')
@dbus.service.signal(dbus_interface=MUNIN_INTERFACE)
def rebuild_started(self):
LOGGER.warning('Server: rebuild was started')
@dbus.service.method(MUNIN_BUS_NAME)
def rebuild(self, strategy='full'):
self.rebuild_started()
time.sleep(2)
self.rebuild_finished()
@dbus.service.method(MUNIN_BUS_NAME)
def fix_graph(self):
self._session.fix_graph()
#############
# Mapping #
#############
@dbus.service.method(MUNIN_BUS_NAME, out_signature='a{uu}')
def mapping(self):
return dict(self._session.mapping)
@dbus.service.method(MUNIN_BUS_NAME, out_signature='a{uu}')
def inverse_mapping(self):
return dict(~self._session.mapping)
@dbus.service.method(MUNIN_BUS_NAME, out_signature='u')
def forward_lookup(self, munin_id):
return self._session.mapping[munin_id:]
@dbus.service.method(MUNIN_BUS_NAME, out_signature='u')
def inverse_lookup(self, user_id):
return self._session.mapping[:user_id]
######################
# Song modifcation #
######################
@dbus.service.method(MUNIN_BUS_NAME, in_signature='su')
def add(self, json_mapping, user_id):
uid = self._session.add(json.loads(json_mapping))
self._session.mapping[uid] = user_id
@dbus.service.method(MUNIN_BUS_NAME, in_signature='su')
def insert(self, json_mapping, user_id):
uid = self._session.insert(json.loads(json_mapping))
self._session.mapping[uid] = user_id
@dbus.service.method(MUNIN_BUS_NAME, in_signature='su')
def remove(self, json_mapping, user_id):
uid = self._session.remove(json.loads(json_mapping))
del self._session.mapping[uid]
#####################
# Recommendations #
#####################
@dbus.service.method(MUNIN_BUS_NAME, in_signature='uu')
def recommendations_from_seed(self, song_id, number):
uid = self._session.mapping[:song_id]
self._session.recommendations_from_seed(uid, number)
# TODO
####################
# Misc Functions #
####################
@dbus.service.method(MUNIN_BUS_NAME)
def name(self):
return self._session.name
