nzbToMedia/libs/beetsplug/mpdupdate.py
Labrys 1111074dc3 Update beets to 1.3.18:
Dependencies:
* PyYAML 3.11
* Unidecode 0.4.19
* beets 1.3.18
* colorama 0.3.7
* enum34 1.1.6
* jellyfish 0.5.4
* munkres 1.0.7
* musicbrainzngs 0.6
* mutagen 1.32
2016-06-06 12:08:52 -04:00

129 lines
4.1 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of beets.
# Copyright 2016, Adrian Sampson.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
"""Updates an MPD index whenever the library is changed.
Put something like the following in your config.yaml to configure:
mpd:
host: localhost
port: 6600
password: seekrit
"""
from __future__ import division, absolute_import, print_function
from beets.plugins import BeetsPlugin
import os
import socket
from beets import config
# No need to introduce a dependency on an MPD library for such a
# simple use case. Here's a simple socket abstraction to make things
# easier.
class BufferedSocket(object):
"""Socket abstraction that allows reading by line."""
def __init__(self, host, port, sep='\n'):
if host[0] in ['/', '~']:
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.connect(os.path.expanduser(host))
else:
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.connect((host, port))
self.buf = ''
self.sep = sep
def readline(self):
while self.sep not in self.buf:
data = self.sock.recv(1024)
if not data:
break
self.buf += data
if '\n' in self.buf:
res, self.buf = self.buf.split(self.sep, 1)
return res + self.sep
else:
return ''
def send(self, data):
self.sock.send(data)
def close(self):
self.sock.close()
class MPDUpdatePlugin(BeetsPlugin):
def __init__(self):
super(MPDUpdatePlugin, self).__init__()
config['mpd'].add({
'host': u'localhost',
'port': 6600,
'password': u'',
})
config['mpd']['password'].redact = True
# For backwards compatibility, use any values from the
# plugin-specific "mpdupdate" section.
for key in config['mpd'].keys():
if self.config[key].exists():
config['mpd'][key] = self.config[key].get()
self.register_listener('database_change', self.db_change)
def db_change(self, lib, model):
self.register_listener('cli_exit', self.update)
def update(self, lib):
self.update_mpd(
config['mpd']['host'].get(unicode),
config['mpd']['port'].get(int),
config['mpd']['password'].get(unicode),
)
def update_mpd(self, host='localhost', port=6600, password=None):
"""Sends the "update" command to the MPD server indicated,
possibly authenticating with a password first.
"""
self._log.info('Updating MPD database...')
try:
s = BufferedSocket(host, port)
except socket.error as e:
self._log.warning(u'MPD connection failed: {0}',
unicode(e.strerror))
return
resp = s.readline()
if 'OK MPD' not in resp:
self._log.warning(u'MPD connection failed: {0!r}', resp)
return
if password:
s.send('password "%s"\n' % password)
resp = s.readline()
if 'OK' not in resp:
self._log.warning(u'Authentication failed: {0!r}', resp)
s.send('close\n')
s.close()
return
s.send('update\n')
resp = s.readline()
if 'updating_db' not in resp:
self._log.warning(u'Update failed: {0!r}', resp)
s.send('close\n')
s.close()
self._log.info(u'Database updated.')